Merge branch 'SIMPLEROUTE'
[spider.git] / perl / DXProt.pm
index 360bb2dd2392c602e788a42e77edee9b0411f4aa..ca17f4a6430cd8d0cfd4c31e020c7c5001b7b362 100644 (file)
@@ -1,2620 +1 @@
-#!/usr/bin/perl
-#
-# This module impliments the protocal mode for a dx cluster
-#
-# Copyright (c) 1998 Dirk Koopman G1TLH
-#
-# $Id$
-# 
-
-package DXProt;
-
-@ISA = qw(DXChannel);
-
-use DXUtil;
-use DXChannel;
-use DXUser;
-use DXM;
-use DXProtVars;
-use DXCommandmode;
-use DXLog;
-use Spot;
-use DXProtout;
-use DXDebug;
-use Filter;
-use Local;
-use DXDb;
-use AnnTalk;
-use Geomag;
-use WCY;
-use BadWords;
-use DXHash;
-use Route;
-use Route::Node;
-use Script;
-use Investigate;
-use RouteDB;
-
-
-use strict;
-
-use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
-                       $last_hour $last10 %eph  %pings %rcmds $ann_to_talk
-                       $pingint $obscount %pc19list $chatdupeage $chatimportfn
-                       $investigation_int $pc19_version $myprot_version
-                       %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
-                       $allowzero $decode_dk0wcy $send_opernam @checklist
-                       $eph_pc15_restime
-                  );
-
-$pc11_max_age = 1*3600;                        # the maximum age for an incoming 'real-time' pc11
-$pc23_max_age = 1*3600;                        # the maximum age for an incoming 'real-time' pc23
-
-$last_hour = time;                             # last time I did an hourly periodic update
-%rcmds = ();                    # outstanding rcmd requests outbound
-%nodehops = ();                 # node specific hop control
-%pc19list = ();                                        # list of outstanding PC19s that haven't had PC16s on them
-
-$censorpc = 1;                                 # Do a BadWords::check on text fields and reject things
-                                                               # loads of 'bad things'
-$baddx = new DXHash "baddx";
-$badspotter = new DXHash "badspotter";
-$badnode = new DXHash "badnode";
-$last10 = $last_pc50 = time;
-$ann_to_talk = 1;
-$rspfcheck = 1;
-$eph_restime = 180;
-$eph_info_restime = 60*60;
-$eph_pc15_restime = 6*60;
-$eph_pc34_restime = 30;
-$pingint = 5*60;
-$obscount = 2;
-$chatdupeage = 20 * 60 * 60;
-$chatimportfn = "$main::root/chat_import";
-$investigation_int = 12*60*60; # time between checks to see if we can see this node
-$pc19_version = 5466;                  # the visible version no for outgoing PC19s generated from pc59
-
-@checklist = 
-(
- [ qw(i c c m bp bc c) ],                      # pc10
- [ qw(i f m d t m c c h) ],            # pc11
- [ qw(i c bm m bm bm p h) ],           # pc12
- [ qw(i c h) ],                                        # 
- [ qw(i c h) ],                                        # 
- [ qw(i c m h) ],                                      # 
- undef ,                                               # pc16 has to be validated manually
- [ qw(i c c h) ],                                      # pc17
- [ qw(i m n) ],                                        # pc18
- undef ,                                               # pc19 has to be validated manually
- undef ,                                               # pc20 no validation
- [ qw(i c m h) ],                                      # pc21
- undef ,                                               # pc22 no validation
- [ qw(i d n n n n m c c h) ],          # pc23
- [ qw(i c p h) ],                                      # pc24
- [ qw(i c c n n) ],                            # pc25
- [ qw(i f m d t m c c bc) ],           # pc26
- [ qw(i d n n n n m c c bc) ], # pc27
- [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
- [ qw(i c c n m) ],                            # pc29
- [ qw(i c c n) ],                                      # pc30
- [ qw(i c c n) ],                                      # pc31
- [ qw(i c c n) ],                                      # pc32
- [ qw(i c c n) ],                                      # pc33
- [ qw(i c c m) ],                                      # pc34
- [ qw(i c c m) ],                                      # pc35
- [ qw(i c c m) ],                                      # pc36
- [ qw(i c c n m) ],                            # pc37
- undef,                                                        # pc38 not interested
- [ qw(i c m) ],                                        # pc39
- [ qw(i c c m p n) ],                          # pc40
- [ qw(i c n m h) ],                            # pc41
- [ qw(i c c n) ],                                      # pc42
- undef,                                                        # pc43 don't handle it
- [ qw(i c c n m m c) ],                        # pc44
- [ qw(i c c n m) ],                            # pc45
- [ qw(i c c n) ],                                      # pc46
- undef,                                                        # pc47
- undef,                                                        # pc48
- [ qw(i c m h) ],                                      # pc49
- [ qw(i c n h) ],                                      # pc50
- [ qw(i c c n) ],                                      # pc51
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,                                                        # pc60
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,                                                        # pc70
- undef,
- undef,
- [ qw(i d n n n n n n m m m c c h) ],  # pc73
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,                                                        # pc80
- undef,
- undef,
- undef,
- [ qw(i c c c m) ],                            # pc84
- [ qw(i c c c m) ],                            # pc85
- undef,
- undef,
- undef,
- undef,
- [ qw(i c n) ],                                        # pc90
-);
-
-# use the entry in the check list to check the field list presented
-# return OK if line NOT in check list (for now)
-sub check
-{
-       my $n = shift;
-       $n -= 10;
-       return 0 if $n < 0 || $n > @checklist; 
-       my $ref = $checklist[$n];
-       return 0 unless ref $ref;
-       
-       my $i;
-       for ($i = 1; $i < @$ref; $i++) {
-               my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
-               return 0 unless $act;
-               next if $blank && $_[$i] =~ /^[ \*]$/;
-               if ($act eq 'c') {
-                       return $i unless is_callsign($_[$i]);
-               } elsif ($act eq 'i') {                 
-                       ;                                       # do nothing
-               } elsif ($act eq 'm') {
-                       return $i unless is_pctext($_[$i]);
-               } elsif ($act eq 'p') {
-                       return $i unless is_pcflag($_[$i]);
-               } elsif ($act eq 'f') {
-                       return $i unless is_freq($_[$i]);
-               } elsif ($act eq 'n') {
-                       return $i unless $_[$i] =~ /^[\d ]+$/;
-               } elsif ($act eq 'h') {
-                       return $i unless $_[$i] =~ /^H\d\d?$/;
-               } elsif ($act eq 'd') {
-                       return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
-               } elsif ($act eq 't') {
-                       return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
-               } 
-       }
-       return 0;
-}
-
-sub init
-{
-       do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
-       confess $@ if $@;
-
-       my $user = DXUser->get($main::mycall);
-       die "User $main::mycall not setup or disappeared RTFM" unless $user;
-       
-       $myprot_version += $main::version*100;
-       $main::me = DXProt->new($main::mycall, 0, $user); 
-       $main::me->{here} = 1;
-       $main::me->{state} = "indifferent";
-       $main::me->{sort} = 'S';    # S for spider
-       $main::me->{priv} = 9;
-       $main::me->{metric} = 0;
-       $main::me->{pingave} = 0;
-       $main::me->{registered} = 1;
-       $main::me->{version} = $main::version;
-       $main::me->{build} = $main::build;
-}
-
-#
-# obtain a new connection this is derived from dxchannel
-#
-
-sub new 
-{
-       my $self = DXChannel::alloc(@_);
-
-       # add this node to the table, the values get filled in later
-       my $pkg = shift;
-       my $call = shift;
-
-       # if we have an entry already, then send a PC21 to all connect
-       # old style connections, because we are about to get the real deal
-       if (my $ref = Route::Node::get($call)) {
-               dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
-               my @rout = $ref->delete;
-               $self->route_pc21($main::mycall, undef, @rout) if @rout;
-       }
-       $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
-
-       return $self;
-}
-
-# this is how a pc connection starts (for an incoming connection)
-# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
-# all the crap that comes between).
-sub start
-{
-       my ($self, $line, $sort) = @_;
-       my $call = $self->{call};
-       my $user = $self->{user};
-
-       # log it
-       my $host = $self->{conn}->{peerhost};
-       $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
-       $host ||= "unknown";
-
-       Log('DXProt', "$call connected from $host");
-       
-       # remember type of connection
-       $self->{consort} = $line;
-       $self->{outbound} = $sort eq 'O';
-       my $priv = $user->priv;
-       $priv = $user->priv(1) unless $priv;
-       $self->{priv} = $priv;     # other clusters can always be 'normal' users
-       $self->{lang} = $user->lang || 'en';
-       $self->{isolate} = $user->{isolate};
-       $self->{consort} = $line;       # save the connection type
-       $self->{here} = 1;
-       $self->{width} = 80;
-
-       # sort out registration
-       $self->{registered} = 1;
-
-       # get the output filters
-       $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
-       $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
-       $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
-       $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
-       $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
-
-
-       # get the INPUT filters (these only pertain to Clusters)
-       $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
-       $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
-       $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
-       $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
-       $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
-       
-       # set unbuffered and no echo
-       $self->send_now('B',"0");
-       $self->send_now('E',"0");
-       $self->conn->echo(0) if $self->conn->can('echo');
-       
-       # ping neighbour node stuff
-       my $ping = $user->pingint;
-       $ping = $pingint unless defined $ping;
-       $self->{pingint} = $ping;
-       $self->{nopings} = $user->nopings || $obscount;
-       $self->{pingtime} = [ ];
-       $self->{pingave} = 999;
-       $self->{metric} ||= 100;
-       $self->{lastping} = $main::systime;
-       
-       # send initialisation string
-       unless ($self->{outbound}) {
-               $self->sendinit;
-       }
-       
-       $self->state('init');
-       $self->{pc50_t} = $main::systime;
-
-       # send info to all logged in thingies
-       $self->tell_login('loginn');
-
-       # run a script send the output to the debug file
-       my $script = new Script(lc $call) || new Script('node_default');
-       $script->run($self) if $script;
-}
-
-#
-# send outgoing 'challenge'
-#
-
-sub sendinit
-{
-       my $self = shift;
-       $self->send(pc18());
-}
-
-#
-# This is the normal pcxx despatcher
-#
-sub normal
-{
-       my ($self, $line) = @_;
-
-       if ($line =~ '^<\w+\s' && $main::do_xml) {
-               DXXml::normal($self, $line);
-               return;
-       }
-
-       my @field = split /\^/, $line;
-       return unless @field;
-       
-       pop @field if $field[-1] eq '~';
-       
-#      print join(',', @field), "\n";
-                                               
-       
-       # process PC frames, this will fail unless the frame starts PCnn
-       my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
-       unless (defined $pcno && $pcno >= 10 && $pcno <= 89) { # reject PC9x messages
-               dbg("PCPROT: unknown protocol") if isdbg('chanerr');
-               return;
-       }
-
-       # check for and dump bad protocol messages
-       my $n = check($pcno, @field);
-       if ($n) {
-               dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
-               return;
-       }
-
-       my $origin = $self->{call};
-       no strict 'subs';
-       my $sub = "handle_$pcno";
-
-       if ($self->can($sub)) {
-               $self->$sub($pcno, $line, $origin, @field);
-       } else {
-               $self->handle_default($pcno, $line, $origin, @field);
-       }
-}
-       
-# incoming talk commands
-sub handle_10
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       # rsfp check
-       return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
-                       
-       # will we allow it at all?
-       if ($censorpc) {
-               my @bad;
-               if (@bad = BadWords::check($_[3])) {
-                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       # is it for me or one of mine?
-       my ($from, $to, $via, $call, $dxchan);
-       $from = $_[1];
-       if ($_[5] gt ' ') {
-               $via = $_[2];
-               $to = $_[5];
-       } else {
-               $to = $_[2];
-       }
-
-       # if this is a 'nodx' node then ignore it
-       if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
-               dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-               return;
-       }
-
-       # if this is a 'bad spotter' user then ignore it
-       my $nossid = $from;
-       $nossid =~ s/-\d+$//;
-       if ($badspotter->in($nossid)) {
-               dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-               return;
-       }
-
-       # if we are converting announces to talk is it a dup?
-       if ($ann_to_talk) {
-               if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
-                       dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       # remember a route to this node and also the node on which this user is
-       RouteDB::update($_[6], $self->{call});
-#      RouteDB::update($to, $_[6]);
-
-       # it is here and logged on
-       $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
-       $dxchan = DXChannel::get($to) unless $dxchan;
-       if ($dxchan && $dxchan->is_user) {
-               $_[3] =~ s/\%5E/^/g;
-               $dxchan->talk($from, $to, $via, $_[3]);
-               return;
-       }
-
-       # is it elsewhere, visible on the cluster via the to address?
-       # note: this discards the via unless the to address is on
-       # the via address
-       my ($ref, $vref);
-       if ($ref = Route::get($to)) {
-               $vref = Route::Node::get($via) if $via;
-               $vref = undef unless $vref && grep $to eq $_, $vref->users;
-               $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
-               return;
-       }
-
-       # can we see an interface to send it down?
-       
-       # not visible here, send a message of condolence
-       $vref = undef;
-       $ref = Route::get($from);
-       $vref = $ref = Route::Node::get($_[6]) unless $ref; 
-       if ($ref) {
-               $dxchan = $ref->dxchan;
-               $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
-       }
-}
-
-# DX Spot handling
-sub handle_11
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       # route 'foreign' pc26s 
-       if ($pcno == 26) {
-               if ($_[7] ne $main::mycall) {
-                       $self->route($_[7], $line);
-                       return;
-               }
-       }
-                       
-       # rsfp check
-       #                       return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
-       
-       # is the spotted callsign blank? This should really be trapped earlier but it
-       # could break other protocol sentences. Also check for lower case characters.
-       if ($_[2] =~ /^\s*$/) {
-               dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
-               return;
-       }
-       if ($_[2] =~ /[a-z]/) {
-               dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
-               return;
-       }
-
-
-       # if this is a 'nodx' node then ignore it
-       if ($badnode->in($_[7])) {
-               dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-               return;
-       }
-                       
-       # if this is a 'bad spotter' user then ignore it
-       my $nossid = $_[6];
-       $nossid =~ s/-\d+$//;
-       if ($badspotter->in($nossid)) {
-               dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-               return;
-       }
-                       
-       # convert the date to a unix date
-       my $d = cltounix($_[3], $_[4]);
-       # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
-       if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
-               dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
-               return;
-       }
-
-       # is it 'baddx'
-       if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
-               dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
-               return;
-       }
-                       
-       # do some de-duping
-       $_[5] =~ s/^\s+//;                      # take any leading blanks off
-       $_[2] = unpad($_[2]);           # take off leading and trailing blanks from spotted callsign
-       if ($_[2] =~ /BUST\w*$/) {
-               dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
-               return;
-       }
-       if ($censorpc) {
-               my @bad;
-               if (@bad = BadWords::check($_[5])) {
-                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       # remember a route
-#      RouteDB::update($_[7], $self->{call});
-#      RouteDB::update($_[6], $_[7]);
-       
-       my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
-       # global spot filtering on INPUT
-       if ($self->{inspotsfilter}) {
-               my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
-               unless ($filter) {
-                       dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       # this goes after the input filtering, but before the add
-       # so that if it is input filtered, it isn't added to the dup
-       # list. This allows it to come in from a "legitimate" source
-       if (Spot::dup(@spot[0..4,5])) {
-               dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
-               return;
-       }
-
-       # add it 
-       Spot::add(@spot);
-
-       #
-       # @spot at this point contains:-
-       # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
-       # then  spotted itu, spotted cq, spotters itu, spotters cq
-       # you should be able to route on any of these
-       #
-                       
-       # fix up qra locators of known users 
-       my $user = DXUser->get_current($spot[4]);
-       if ($user) {
-               my $qra = $user->qra;
-               unless ($qra && is_qra($qra)) {
-                       my $lat = $user->lat;
-                       my $long = $user->long;
-                       if (defined $lat && defined $long) {
-                               $user->qra(DXBearing::lltoqra($lat, $long)); 
-                               $user->put;
-                       }
-               }
-
-               # send a remote command to a distant cluster if it is visible and there is no
-               # qra locator and we havn't done it for a month.
-
-               unless ($user->qra) {
-                       my $node;
-                       my $to = $user->homenode;
-                       my $last = $user->lastoper || 0;
-                       if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
-                               my $cmd = "forward/opernam $spot[4]";
-                               # send the rcmd but we aren't interested in the replies...
-                               my $dxchan = $node->dxchan;
-                               if ($dxchan && $dxchan->is_clx) {
-                                       route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
-                               } else {
-                                       route(undef, $to, pc34($main::mycall, $to, $cmd));
-                               }
-                               if ($to ne $_[7]) {
-                                       $to = $_[7];
-                                       $node = Route::Node::get($to);
-                                       if ($node) {
-                                               $dxchan = $node->dxchan;
-                                               if ($dxchan && $dxchan->is_clx) {
-                                                       route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
-                                               } else {
-                                                       route(undef, $to, pc34($main::mycall, $to, $cmd));
-                                               }
-                                       }
-                               }
-                               $user->lastoper($main::systime);
-                               $user->put;
-                       }
-               }
-       }
-                               
-       # local processing 
-       my $r;
-       eval {
-               $r = Local::spot($self, @spot);
-       };
-       #                       dbg("Local::spot1 error $@") if isdbg('local') if $@;
-       return if $r;
-
-       # DON'T be silly and send on PC26s!
-       return if $pcno == 26;
-
-       # send out the filtered spots
-       send_dx_spot($self, $line, @spot) if @spot;
-}
-               
-# announces
-sub handle_12
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       #                       return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
-
-       # announce duplicate checking
-       $_[3] =~ s/^\s+//;                      # remove leading blanks
-
-       if ($censorpc) {
-               my @bad;
-               if (@bad = BadWords::check($_[3])) {
-                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       # if this is a 'nodx' node then ignore it
-       if ($badnode->in($_[5])) {
-               dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-               return;
-       }
-
-       # if this is a 'bad spotter' user then ignore it
-       my $nossid = $_[1];
-       $nossid =~ s/-\d+$//;
-       if ($badspotter->in($nossid)) {
-               dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-               return;
-       }
-
-
-       my $dxchan;
-       
-       if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
-               $self->send_chat($line, @_[1..6]);
-       } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
-
-               # remember a route
-#              RouteDB::update($_[5], $self->{call});
-#              RouteDB::update($_[1], $_[5]);
-
-               # ignore something that looks like a chat line coming in with sysop
-               # flag - this is a kludge...
-               if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
-                       dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
-                       return;
-               }
-
-               # here's a bit of fun, convert incoming ann with a callsign in the first word
-               # or one saying 'to <call>' to a talk if we can route to the recipient
-               if ($ann_to_talk) {
-                       my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
-                       if ($call) {
-                               my $ref = Route::get($call);
-                               if ($ref) {
-                                       $dxchan = $ref->dxchan;
-                                       $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
-                                       return;
-                               }
-                       }
-               }
-       
-               # send it
-               $self->send_announce($line, @_[1..6]);
-       } else {
-               $self->route($_[2], $line);
-       }
-}
-
-
-sub handle_15
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       if (eph_dup($line, $eph_pc15_restime)) {
-               dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
-       } else {
-               unless ($self->{isolate}) {
-                       DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
-               }
-       }
-}
-               
-# incoming user                
-sub handle_16
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       # general checks
-       my $dxchan;
-       my $ncall = $_[1];
-       my $newline = "PC16^";
-                       
-       # dos I want users from this channel?
-       unless ($self->user->wantpc16) {
-               dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-               return;
-       }
-       # is it me?
-       if ($ncall eq $main::mycall) {
-               dbg("PCPROT: trying to alter my config from outside!") if isdbg('chanerr');
-               return;
-       }
-       if (DXChannel::get($ncall) && $ncall ne $self->{call}) {
-               dbg("PCPROT: trying to alter locally connected $ncall from $self->{call}, ignored") if isdbg('chanerr');
-               return;
-       }
-
-       RouteDB::update($ncall, $self->{call});
-
-       # do we believe this call? 
-       unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
-               if (my $ivp = Investigate::get($ncall, $self->{call})) {
-                       $ivp->store_pcxx($pcno,$line,$origin,@_);
-               } else {
-                       dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
-               }
-               return;
-       }
-
-       if (eph_dup($line)) {
-               dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
-               return;
-       }
-
-       my $parent = Route::Node::get($ncall); 
-
-       # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list, 
-       # fix it up in the routing tables and issue it forth before the PC16
-       unless ($parent) {
-               my $nl = $pc19list{$ncall};
-
-               if ($nl && @_ > 3) { # 3 because of the hop count!
-
-                       # this is a new (remembered) node, now attach it to me if it isn't in filtered
-                       # and we haven't disallowed it
-                       my $user = DXUser->get_current($ncall);
-                       if (!$user) {
-                               $user = DXUser->new($ncall);
-                               $user->sort('A');
-                               $user->priv(1); # I have relented and defaulted nodes
-                               $user->lockout(1);
-                               $user->homenode($ncall);
-                               $user->node($ncall);
-                       }
-
-                       my $wantpc19 = $user->wantroutepc19;
-                       if ($wantpc19 || !defined $wantpc19) {
-                               my $new = Route->new($ncall); # throw away
-                               if ($self->in_filter_route($new)) {
-                                       my @nrout;
-                                       for (@$nl) {
-                                               $parent = Route::Node::get($_->[0]);
-                                               $dxchan = $parent->dxchan if $parent;
-                                               if ($dxchan && $dxchan ne $self) {
-                                                       dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-                                                       $parent = undef;
-                                               }
-                                               if ($parent) {
-                                                       my $r = $parent->add($ncall, $_->[1], $_->[2]);
-                                                       push @nrout, $r unless @nrout;
-                                               }
-                                       }
-                                       $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route 
-                                       $user->lastin($main::systime) unless DXChannel::get($ncall);
-                                       $user->put;
-                                               
-                                       # route the pc19 - this will cause 'stuttering PC19s' for a while
-                                       $self->route_pc19($origin, $line, @nrout) if @nrout ;
-                                       $parent = Route::Node::get($ncall);
-                                       unless ($parent) {
-                                               dbg("PCPROT: lost $ncall after sending PC19 for it?");
-                                               return;
-                                       }
-                               } else {
-                                       return;
-                               }
-                               delete $pc19list{$ncall};
-                       }
-               } else {
-                       dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
-                       return;
-               }
-       } else {
-                               
-               $dxchan = $parent->dxchan;
-               if ($dxchan && $dxchan ne $self) {
-                       dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-                       return;
-               }
-
-               # input filter if required
-               return unless $self->in_filter_route($parent);
-       }
-
-       my $i;
-       my @rout;
-       for ($i = 2; $i < $#_; $i++) {
-               my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
-               next unless $call && $conf && defined $here && is_callsign($call);
-               next if $call eq $main::mycall;
-
-               eph_del_regex("^PC17\\^$call\\^$ncall");
-                               
-               $conf = $conf eq '*';
-
-               # reject this if we think it is a node already
-               my $r = Route::Node::get($call);
-               my $u = DXUser->get_current($call) unless $r;
-               if ($r || ($u && $u->is_node)) {
-                       dbg("PCPROT: $call is a node") if isdbg('chanerr');
-                       next;
-               }
-                               
-               $r = Route::User::get($call);
-               my $flags = Route::here($here)|Route::conf($conf);
-                               
-               if ($r) {
-                       my $au = $r->addparent($parent);                                        
-                       if ($r->flags != $flags) {
-                               $r->flags($flags);
-                               $au = $r;
-                       }
-                       push @rout, $r if $au;
-               } else {
-                       push @rout, $parent->add_user($call, $flags);
-               }
-               
-               # send info to all logged in thingies
-               $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
-               $self->tell_buddies('loginb', $call, $ncall);
-                               
-               # add this station to the user database, if required
-#              $call =~ s/-\d+$//o;    # remove ssid for users
-               my $user = DXUser->get_current($call);
-               $user = DXUser->new($call) if !$user;
-               $user->homenode($parent->call) if !$user->homenode;
-               $user->node($parent->call);
-               $user->lastin($main::systime) unless DXChannel::get($call);
-               $user->put;
-       }
-       $self->route_pc16($origin, $line, $parent, @rout) if @rout;
-}
-               
-# remove a user
-sub handle_17
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $dxchan;
-       my $ncall = $_[2];
-       my $ucall = $_[1];
-
-       eph_del_regex("^PC16\\^$ncall.*$ucall");
-                       
-       # do I want users from this channel?
-       unless ($self->user->wantpc16) {
-               dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-               return;
-       }
-       if ($ncall eq $main::mycall) {
-               dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
-               return;
-       }
-
-       RouteDB::delete($ncall, $self->{call});
-
-       # do we believe this call? 
-       unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
-               if (my $ivp = Investigate::get($ncall, $self->{call})) {
-                       $ivp->store_pcxx($pcno,$line,$origin,@_);
-               } else {
-                       dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
-               }
-               return;
-       }
-
-       my $uref = Route::User::get($ucall);
-       unless ($uref) {
-               dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
-               return;
-       }
-       my $parent = Route::Node::get($ncall);
-       unless ($parent) {
-               dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
-               return;
-       }                       
-
-       $dxchan = DXChannel::get($ncall);
-       if ($dxchan && $dxchan ne $self) {
-               dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-               return;
-       }
-
-       # input filter if required and then remove user if present
-#              return unless $self->in_filter_route($parent);  
-       $parent->del_user($uref);
-
-       # send info to all logged in thingies
-       $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
-       $self->tell_buddies('logoutb', $ucall, $ncall);
-
-       if (eph_dup($line)) {
-               dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
-               return;
-       }
-
-       $self->route_pc17($origin, $line, $parent, $uref);
-}
-               
-# link request
-sub handle_18
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       $self->state('init');   
-
-       # record the type and version offered
-       if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+(?:\.\d+)?)/) {
-               $self->version(53 + $1);
-               $self->user->version(53 + $1);
-               $self->build(0 + $2);
-               $self->user->build(0 + $2);
-               unless ($self->is_spider) {
-                       $self->user->sort('S');
-                       $self->user->put;
-                       $self->sort('S');
-               }
-               $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
-       } else {
-               $self->version(50.0);
-               $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
-               $self->user->version($self->version);
-       }
-
-       # first clear out any nodes on this dxchannel
-       my $parent = Route::Node::get($self->{call});
-       my @rout = $parent->del_nodes;
-       $self->route_pc21($origin, $line, @rout, $parent) if @rout;
-       $self->send_local_config();
-       $self->send(pc20());
-}
-               
-# incoming cluster list
-sub handle_19
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       my $i;
-       my $newline = "PC19^";
-
-       # new routing list
-       my @rout;
-
-       # first get the INTERFACE node
-       my $parent = Route::Node::get($self->{call});
-       unless ($parent) {
-               dbg("DXPROT: my parent $self->{call} has disappeared");
-               $self->disconnect;
-               return;
-       }
-
-       # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
-       if ($origin ne $self->call) {
-               my $op = Route::Node::get($origin);
-               unless ($op) {
-                       $op = $parent->add($origin, 5000, Route::here(1));
-                       my $user = DXUser->get_current($origin);
-                       if (!$user) {
-                               $user = DXUser->new($origin);
-                               $user->priv(1);         # I have relented and defaulted nodes
-                               $user->lockout(1);
-                               $user->homenode($origin);
-                               $user->node($origin);
-                               $user->wantroutepc19(1);
-                       }
-                       $user->sort('A') unless $user->is_node;
-                       $user->put;
-               }
-               $parent = $op;
-       }
-
-       # parse the PC19
-       for ($i = 1; $i < $#_-1; $i += 4) {
-               my $here = $_[$i];
-               my $call = uc $_[$i+1];
-               my $conf = $_[$i+2];
-               my $ver = $_[$i+3];
-               next unless defined $here && defined $conf && is_callsign($call);
-
-               eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
-                               
-               # check for sane parameters
-               #                               $ver = 5000 if $ver eq '0000';
-               next unless $ver && $ver =~ /^\d+$/;
-               next if $ver < 5000;    # only works with version 5 software
-               next if length $call < 3; # min 3 letter callsigns
-               next if $call eq $main::mycall;
-
-               # check that this PC19 isn't trying to alter the wrong dxchan
-               my $dxchan = DXChannel::get($call);
-               if ($dxchan && $dxchan != $self) {
-                       dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
-                       next;
-               }
-
-               # add this station to the user database, if required (don't remove SSID from nodes)
-               my $user = DXUser->get_current($call);
-               if (!$user) {
-                       $user = DXUser->new($call);
-                       $user->priv(1);         # I have relented and defaulted nodes
-                       $user->lockout(1);
-                       $user->homenode($call);
-                       $user->node($call);
-               }
-               $user->sort('A') unless $user->is_node;
-
-               RouteDB::update($call, $self->{call});
-
-               # do we believe this call?
-               my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^"; 
-               unless ($call eq $self->{call} || $self->is_believed($call)) {
-                       my $pt = $user->lastping($self->{call}) || 0;
-                       if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
-                               my $ivp  = Investigate->new($call, $self->{call});
-                               $ivp->version($ver);
-                               $ivp->here($here);
-                               $ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
-                       } else {
-                               dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
-                       }
-                       $user->put;
-                       next;
-               }
-
-               if (eph_dup($genline)) {
-                       dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
-                       next;
-               }
-
-               my $r = Route::Node::get($call);
-               my $flags = Route::here($here)|Route::conf($conf);
-
-               # modify the routing table if it is in it, otherwise store it in the pc19list for now
-               if ($r) {
-                       my $ar;
-                       if ($call ne $parent->call) {
-                               if ($self->in_filter_route($r)) {
-                                       $ar = $parent->add($call, $ver, $flags);
-                                       push @rout, $ar if $ar;
-                               } else {
-                                       next;
-                               }
-                       }
-                       if ($r->version ne $ver || $r->flags != $flags) {
-                               $r->version($ver);
-                               $r->flags($flags);
-                               push @rout, $r unless $ar;
-                       }
-               } else {
-
-                       # if he is directly connected or allowed then add him, otherwise store him up for later
-                       if ($call eq $self->{call} || $user->wantroutepc19) {
-                               my $new = Route->new($call); # throw away
-                               if ($self->in_filter_route($new)) {
-                                       my $ar = $parent->add($call, $ver, $flags);
-                                       $user->wantroutepc19(1) unless defined $user->wantroutepc19;
-                                       push @rout, $ar if $ar;
-                               } else {
-                                       next;
-                               }
-                       } else {
-                               $pc19list{$call} = [] unless exists $pc19list{$call};
-                               my $nl = $pc19list{$call};
-                               push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
-                       }
-               }
-
-               # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
-               my $mref = DXMsg::get_busy($call);
-               $mref->stop_msg($call) if $mref;
-                               
-               $user->lastin($main::systime) unless DXChannel::get($call);
-               $user->put;
-       }
-
-
-       $self->route_pc19($origin, $line, @rout) if @rout;
-}
-               
-# send local configuration
-sub handle_20
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       $self->send_local_config();
-       $self->send(pc22());
-       $self->state('normal');
-       $self->{lastping} = 0;
-}
-               
-# delete a cluster from the list
-sub handle_21
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $call = uc $_[1];
-
-       eph_del_regex("^PC1[679].*$call");
-                       
-       # if I get a PC21 from the same callsign as self then treat it
-       # as a PC39: I have gone away
-       if ($call eq $self->call) {
-               $self->disconnect(1);
-               return;
-       }
-
-       RouteDB::delete($call, $self->{call});
-
-       # check if we believe this
-       unless ($call eq $self->{call} || $self->is_believed($call)) {
-               if (my $ivp = Investigate::get($call, $self->{call})) {
-                       $ivp->store_pcxx($pcno,$line,$origin,@_);
-               } else {
-                       dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
-               }
-               return;
-       }
-
-       # check to see if we are in the pc19list, if we are then don't bother with any of
-       # this routing table manipulation, just remove it from the list and dump it
-       my @rout;
-       if (my $nl = $pc19list{$call}) {
-               $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
-               delete $pc19list{$call} unless @{$pc19list{$call}};
-       } else {
-                               
-               my $parent = Route::Node::get($self->{call});
-               unless ($parent) {
-                       dbg("DXPROT: my parent $self->{call} has disappeared");
-                       $self->disconnect;
-                       return;
-               }
-               if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
-                       my $node = Route::Node::get($call);
-                       if ($node) {
-                                               
-                               my $dxchan = DXChannel::get($call);
-                               if ($dxchan && $dxchan != $self) {
-                                       dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
-                                       return;
-                               }
-                                               
-                               # input filter it
-                               return unless $self->in_filter_route($node);
-                                               
-                               # routing objects
-                               push @rout, $node->del($parent);
-                       }
-               } else {
-                       dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       $self->route_pc21($origin, $line, @rout) if @rout;
-}
-               
-
-sub handle_22
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       $self->state('normal');
-       $self->{lastping} = 0;
-}
-                               
-# WWV info
-sub handle_23
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-                       
-       # route foreign' pc27s 
-       if ($pcno == 27) {
-               if ($_[8] ne $main::mycall) {
-                       $self->route($_[8], $line);
-                       return;
-               }
-       }
-
-       # only do a rspf check on PC23 (not 27)
-       if ($pcno == 23) {
-               return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
-       }
-
-       # do some de-duping
-       my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
-       my $sfi = unpad($_[3]);
-       my $k = unpad($_[4]);
-       my $i = unpad($_[5]);
-       my ($r) = $_[6] =~ /R=(\d+)/;
-       $r = 0 unless $r;
-       if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
-               dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
-               return;
-       }
-
-       # global wwv filtering on INPUT
-       my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
-       if ($self->{inwwvfilter}) {
-               my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
-               unless ($filter) {
-                       dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
-                       return;
-               }
-       }
-       $_[7] =~ s/-\d+$//o;            # remove spotter's ssid
-       if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
-               dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
-               return;
-       }
-               
-       # note this only takes the first one it gets
-       Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
-
-       my $rep;
-       eval {
-               $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
-       };
-       #                       dbg("Local::wwv2 error $@") if isdbg('local') if $@;
-       return if $rep;
-
-       # DON'T be silly and send on PC27s!
-       return if $pcno == 27;
-
-       # broadcast to the eager world
-       send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
-}
-               
-# set here status
-sub handle_24
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $call = uc $_[1];
-       my ($nref, $uref);
-       $nref = Route::Node::get($call);
-       $uref = Route::User::get($call);
-       return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
-                       
-       if (eph_dup($line)) {
-               dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
-               return;
-       }
-       
-       $nref->here($_[2]) if $nref;
-       $uref->here($_[2]) if $uref;
-       my $ref = $nref || $uref;
-       return unless $self->in_filter_route($ref);
-
-       $self->route_pc24($origin, $line, $ref, $_[3]);
-}
-               
-# merge request
-sub handle_25
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       if ($_[1] ne $main::mycall) {
-               $self->route($_[1], $line);
-               return;
-       }
-       if ($_[2] eq $main::mycall) {
-               dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
-               return;
-       }
-
-       Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
-                       
-       # spots
-       if ($_[3] > 0) {
-               my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
-               my $in;
-               foreach $in (@in) {
-                       $self->send(pc26(@{$in}[0..4], $_[2]));
-               }
-       }
-
-       # wwv
-       if ($_[4] > 0) {
-               my @in = reverse Geomag::search(0, $_[4], time, 1);
-               my $in;
-               foreach $in (@in) {
-                       $self->send(pc27(@{$in}[0..5], $_[2]));
-               }
-       }
-}
-
-sub handle_26 {goto &handle_11}
-sub handle_27 {goto &handle_23}
-
-# mail/file handling
-sub handle_28
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       if ($_[1] eq $main::mycall) {
-               no strict 'refs';
-               my $sub = "DXMsg::handle_$pcno";
-               &$sub($self, @_);
-       } else {
-               $self->route($_[1], $line) unless $self->is_clx;
-       }
-}
-
-sub handle_29 {goto &handle_28}
-sub handle_30 {goto &handle_28}
-sub handle_31 {goto &handle_28}
-sub handle_32 {goto &handle_28}
-sub handle_33 {goto &handle_28}
-               
-sub handle_34
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       if (eph_dup($line, $eph_pc34_restime)) {
-               dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
-       } else {
-               $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
-       }
-}
-               
-# remote command replies
-sub handle_35
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
-       $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
-}
-               
-sub handle_36 {goto &handle_34}
-
-# database stuff
-sub handle_37
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       if ($_[1] eq $main::mycall) {
-               no strict 'refs';
-               my $sub = "DXDb::handle_$pcno";
-               &$sub($self, @_);
-       } else {
-               $self->route($_[1], $line) unless $self->is_clx;
-       }
-}
-
-# node connected list from neighbour
-sub handle_38
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-}
-               
-# incoming disconnect
-sub handle_39
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       if ($_[1] eq $self->{call}) {
-               $self->disconnect(1);
-       } else {
-               dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
-       }
-}
-
-sub handle_40 {goto &handle_28}
-               
-# user info
-sub handle_41
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $call = $_[1];
-
-       my $l = $line;
-       $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
-       if (eph_dup($l, $eph_info_restime)) {
-               dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
-               return;
-       }
-                       
-       # input filter if required
-       #                       my $ref = Route::get($call) || Route->new($call);
-       #                       return unless $self->in_filter_route($ref);
-
-       if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
-               dbg('PCPROT: invalid value') if isdbg('chanerr');
-               return;
-       }
-
-       # add this station to the user database, if required
-       my $user = DXUser->get_current($call);
-       $user = DXUser->new($call) unless $user;
-                       
-       if ($_[2] == 1) {
-               if (($_[3] =~ /spotter/i || $_[3] =~ /self/i) && $user->name && $user->name ne $_[3]) {
-                       dbg("PCPROT: invalid name") if isdbg('chanerr');
-                       return;
-               }
-               $user->name($_[3]);
-       } elsif ($_[2] == 2) {
-               $user->qth($_[3]);
-       } elsif ($_[2] == 3) {
-               if (is_latlong($_[3])) {
-                       my ($lat, $long) = DXBearing::stoll($_[3]);
-                       $user->lat($lat);
-                       $user->long($long);
-                       $user->qra(DXBearing::lltoqra($lat, $long));
-               } else {
-                       dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
-                       return;
-               }
-       } elsif ($_[2] == 4) {
-               $user->homenode($_[3]);
-       } elsif ($_[2] == 5) {
-               if (is_qra(uc $_[3])) {
-                       my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
-                       $user->lat($lat);
-                       $user->long($long);
-                       $user->qra(uc $_[3]);
-               } else {
-                       dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
-                       return;
-               }
-       }
-       $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
-       $user->put;
-
-       unless ($self->{isolate}) {
-               DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
-       }
-
-       #  perhaps this IS what we want after all
-       #                       $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
-}
-
-sub handle_42 {goto &handle_28}
-
-
-# database
-sub handle_44 {goto &handle_37}
-sub handle_45 {goto &handle_37}
-sub handle_46 {goto &handle_37}
-sub handle_47 {goto &handle_37}
-sub handle_48 {goto &handle_37}
-               
-# message and database
-sub handle_49
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       if (eph_dup($line)) {
-               dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
-               return;
-       }
-       
-       if ($_[1] eq $main::mycall) {
-               DXMsg::handle_49($self, @_);
-       } else {
-               $self->route($_[1], $line) unless $self->is_clx;
-       }
-}
-
-# keep alive/user list
-sub handle_50
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       my $call = $_[1];
-
-       RouteDB::update($call, $self->{call});
-
-       my $node = Route::Node::get($call);
-       if ($node) {
-               return unless $node->call eq $self->{call};
-               $node->usercount($_[2]);
-
-               # input filter if required
-               return unless $self->in_filter_route($node);
-
-               $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
-       }
-}
-               
-# incoming ping requests/answers
-sub handle_51
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $to = $_[1];
-       my $from = $_[2];
-       my $flag = $_[3];
-
-                       
-       # is it for us?
-       if ($to eq $main::mycall) {
-               if ($flag == 1) {
-                       $self->send(pc51($from, $to, '0'));
-               } else {
-                       DXXml::Ping::handle_ping_reply($self, $from);
-               }
-       } else {
-
-               RouteDB::update($from, $self->{call});
-
-               if (eph_dup($line)) {
-                       dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
-                       return;
-               }
-               # route down an appropriate thingy
-               $self->route($to, $line);
-       }
-}
-
-# dunno but route it
-sub handle_75
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $call = $_[1];
-       if ($call ne $main::mycall) {
-               $self->route($call, $line);
-       }
-}
-
-# WCY broadcasts
-sub handle_73
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       my $call = $_[1];
-                       
-       # do some de-duping
-       my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
-       if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
-               dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
-               return;
-       }
-       @_ = map { unpad($_) } @_;
-       if (WCY::dup($d)) {
-               dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
-               return;
-       }
-               
-       my $wcy = WCY::update($d, @_[2..12]);
-
-       my $rep;
-       eval {
-               $rep = Local::wcy($self, @_[1..12]);
-       };
-       # dbg("Local::wcy error $@") if isdbg('local') if $@;
-       return if $rep;
-
-       # broadcast to the eager world
-       send_wcy_spot($self, $line, $d, @_[2..12]);
-}
-
-# remote commands (incoming)
-sub handle_84
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
-}
-
-# remote command replies
-sub handle_85
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-       $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
-}
-
-# if get here then rebroadcast the thing with its Hop count decremented (if
-# there is one). If it has a hop count and it decrements to zero then don't
-# rebroadcast it.
-#
-# NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
-#        REBROADCAST!!!!
-#
-
-sub handle_default
-{
-       my $self = shift;
-       my $pcno = shift;
-       my $line = shift;
-       my $origin = shift;
-
-       if (eph_dup($line)) {
-               dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
-       } else {
-               unless ($self->{isolate}) {
-                       DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
-               }
-       }
-}
-
-#
-# This is called from inside the main cluster processing loop and is used
-# for despatching commands that are doing some long processing job
-#
-sub process
-{
-       my $t = time;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       my $pc50s;
-       
-       # send out a pc50 on EVERY channel all at once
-       if ($t >= $last_pc50 + $DXProt::pc50_interval) {
-               $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
-               eph_dup($pc50s);
-               $last_pc50 = $t;
-       }
-
-       foreach $dxchan (@dxchan) {
-               next unless $dxchan->is_node;
-               next if $dxchan->handle_xml;
-               next if $dxchan == $main::me;
-
-               # send the pc50
-               $dxchan->send($pc50s) if $pc50s;
-               
-               # send a ping out on this channel
-               if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
-                       if ($dxchan->{nopings} <= 0) {
-                               $dxchan->disconnect;
-                       } else {
-                               DXXml::Ping::add($main::me, $dxchan->call);
-                               $dxchan->{nopings} -= 1;
-                               $dxchan->{lastping} = $t;
-                               $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
-                       }
-               }
-       }
-
-       Investigate::process();
-
-       # every ten seconds
-       if ($t - $last10 >= 10) {       
-               # clean out ephemera 
-
-               eph_clean();
-               import_chat();
-               
-
-               $last10 = $t;
-       }
-       
-       if ($main::systime - 3600 > $last_hour) {
-               $last_hour = $main::systime;
-       }
-}
-
-#
-# finish up a pc context
-#
-
-#
-# some active measures
-#
-
-
-sub send_dx_spot
-{
-       my $self = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       
-       # send it if it isn't the except list and isn't isolated and still has a hop count
-       # taking into account filtering and so on
-       foreach $dxchan (@dxchan) {
-               next if $dxchan == $main::me;
-               next if $dxchan == $self && $self->is_node;
-               $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
-       }
-}
-
-sub dx_spot
-{
-       my $self = shift;
-       my $line = shift;
-       my $isolate = shift;
-       my ($filter, $hops);
-
-       if ($self->{spotsfilter}) {
-               ($filter, $hops) = $self->{spotsfilter}->it(@_);
-               return unless $filter;
-       }
-       send_prot_line($self, $filter, $hops, $isolate, $line);
-}
-
-sub send_prot_line
-{
-       my ($self, $filter, $hops, $isolate, $line) = @_;
-       my $routeit;
-
-
-       if ($hops) {
-               $routeit = $line;
-               $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
-       } else {
-               $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
-               return unless $routeit;
-       }
-       if ($filter) {
-               $self->send($routeit);
-       } else {
-               $self->send($routeit) unless $self->{isolate} || $isolate;
-       }
-}
-
-
-sub send_wwv_spot
-{
-       my $self = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
-
-       # send it if it isn't the except list and isn't isolated and still has a hop count
-       # taking into account filtering and so on
-       foreach $dxchan (@dxchan) {
-               next if $dxchan == $main::me;
-               next if $dxchan == $self && $self->is_node;
-               my $routeit;
-               my ($filter, $hops);
-
-               $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
-       }
-}
-
-sub wwv
-{
-       my $self = shift;
-       my $line = shift;
-       my $isolate = shift;
-       my ($filter, $hops);
-       
-       if ($self->{wwvfilter}) {
-               ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
-               return unless $filter;
-       }
-       send_prot_line($self, $filter, $hops, $isolate, $line)
-}
-
-sub send_wcy_spot
-{
-       my $self = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
-       
-       # send it if it isn't the except list and isn't isolated and still has a hop count
-       # taking into account filtering and so on
-       foreach $dxchan (@dxchan) {
-               next if $dxchan == $main::me;
-               next if $dxchan == $self;
-
-               $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
-       }
-}
-
-sub wcy
-{
-       my $self = shift;
-       my $line = shift;
-       my $isolate = shift;
-       my ($filter, $hops);
-
-       if ($self->{wcyfilter}) {
-               ($filter, $hops) = $self->{wcyfilter}->it(@_);
-               return unless $filter;
-       }
-       send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
-}
-
-# send an announce
-sub send_announce
-{
-       my $self = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       my $target;
-       my $to = 'To ';
-       my $text = unpad($_[2]);
-                               
-       if ($_[3] eq '*') {     # sysops
-               $target = "SYSOP";
-       } elsif ($_[3] gt ' ') { # speciality list handling
-               my ($name) = split /\./, $_[3]; 
-               $target = "$name"; # put the rest in later (if bothered) 
-       } 
-       
-       if ($_[5] eq '1') {
-               $target = "WX"; 
-               $to = '';
-       }
-       $target = "ALL" if !$target;
-
-
-       # obtain country codes etc 
-       my @a = Prefix::cty_data($_[0]);
-       my @b = Prefix::cty_data($_[4]);
-       if ($self->{inannfilter}) {
-               my ($filter, $hops) = 
-                       $self->{inannfilter}->it(@_, $self->{call}, 
-                                                                        @a[0..2],
-                                                                        @b[0..2], $a[3], $b[3]);
-               unless ($filter) {
-                       dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       if (AnnTalk::dup($_[0], $_[1], $_[2])) {
-               dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-               return;
-       }
-
-       Log('ann', $target, $_[0], $text);
-
-       # send it if it isn't the except list and isn't isolated and still has a hop count
-       # taking into account filtering and so on
-       foreach $dxchan (@dxchan) {
-               next if $dxchan == $main::me;
-               next if $dxchan == $self && $self->is_node;
-               $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
-                                                 @a[0..2], @b[0..2]);
-       }
-}
-
-my $msgid = 0;
-
-sub nextchatmsgid
-{
-       $msgid++;
-       $msgid = 1 if $msgid > 999;
-       return $msgid;
-}
-
-# send a chat line
-sub send_chat
-{
-       my $self = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all();
-       my $dxchan;
-       my $target = $_[3];
-       my $text = unpad($_[2]);
-       my $ak1a_line;
-                               
-       # munge the group and recast the line if required
-       if ($target =~ s/\.LST$//) {
-               $ak1a_line = $line;
-       }
-       
-       # obtain country codes etc 
-       my @a = Prefix::cty_data($_[0]);
-       my @b = Prefix::cty_data($_[4]);
-       if ($self->{inannfilter}) {
-               my ($filter, $hops) = 
-                       $self->{inannfilter}->it(@_, $self->{call}, 
-                                                                        @a[0..2],
-                                                                        @b[0..2], $a[3], $b[3]);
-               unless ($filter) {
-                       dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
-                       return;
-               }
-       }
-
-       if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
-               dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-               return;
-       }
-
-
-       Log('chat', $target, $_[0], $text);
-
-       # send it if it isn't the except list and isn't isolated and still has a hop count
-       # taking into account filtering and so on
-       foreach $dxchan (@dxchan) {
-               my $is_ak1a = $dxchan->is_ak1a;
-               
-               if ($dxchan->is_node) {
-                       next if $dxchan == $main::me;
-                       next if $dxchan == $self;
-                       next unless $dxchan->is_spider || $is_ak1a;
-                       next if $target eq 'LOCAL';
-                       if (!$ak1a_line && $is_ak1a) {
-                               $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
-                       }
-               }
-               
-               $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1], 
-                                         $text, @_, $self->{call}, @a[0..2], @b[0..2]);
-       }
-}
-
-sub announce
-{
-       my $self = shift;
-       my $line = shift;
-       my $isolate = shift;
-       my $to = shift;
-       my $target = shift;
-       my $text = shift;
-       my ($filter, $hops);
-
-       if ($self->{annfilter}) {
-               ($filter, $hops) = $self->{annfilter}->it(@_);
-               return unless $filter;
-       }
-       send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
-}
-
-sub chat
-{
-       goto &announce;
-}
-
-
-sub send_local_config
-{
-       my $self = shift;
-       my $node;
-       my @nodes;
-       my @localnodes;
-       my @remotenodes;
-
-       dbg('DXProt::send_local_config') if isdbg('trace');
-       
-       # send our nodes
-       if ($self->{isolate}) {
-               @localnodes = ( $main::routeroot );
-               $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
-       } else {
-               # create a list of all the nodes that are not connected to this connection
-               # and are not themselves isolated, this to make sure that isolated nodes
-        # don't appear outside of this node
-
-               # send locally connected nodes
-               my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
-               @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
-               $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
-
-               my $node;
-               my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
-               my @intcalls;
-               for $node (@rawintcalls) {
-                       push @intcalls, $node unless grep $node eq $_, @intcalls; 
-               }
-               my $ref = Route::Node::get($self->{call});
-               my @rnodes = $ref->nodes;
-               for $node (@intcalls) {
-                       push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
-               }
-               $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
-       }
-       
-       # get all the users connected on the above nodes and send them out
-       foreach $node ($main::routeroot, @localnodes, @remotenodes) {
-               if ($node) {
-                       my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
-                       $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
-               } else {
-                       dbg("sent a null value") if isdbg('chanerr');
-               }
-       }
-}
-
-#
-# route a message down an appropriate interface for a callsign
-#
-# is called route(to, pcline);
-#
-
-sub route
-{
-       my ($self, $call, $line) = @_;
-
-       if (ref $self && $call eq $self->{call}) {
-               dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-               return;
-       }
-
-       # always send it down the local interface if available
-       my $dxchan = DXChannel::get($call);
-       if ($dxchan) {
-               dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
-       } else {
-               my $cl = Route::get($call);
-               $dxchan = $cl->dxchan if $cl;
-               if (ref $dxchan) {
-                       if (ref $self && $dxchan eq $self) {
-                               dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-                               return;
-                       }
-                       dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');
-               }
-       }
-
-       # try the backstop method
-       unless ($dxchan) {
-               my $rcall = RouteDB::get($call);
-               if ($rcall) {
-                       if ($self && $rcall eq $self->{call}) {
-                               dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-                               return;
-                       }
-                       $dxchan = DXChannel::get($rcall);
-                       dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
-               }
-       }
-
-       if ($dxchan) {
-               my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name
-               if ($routeit) {
-                       $dxchan->send($routeit) unless $dxchan == $main::me;
-               }
-       } else {
-               dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
-       }
-}
-
-#
-# obtain the hops from the list for this callsign and pc no 
-#
-
-sub get_hops
-{
-       my $pcno = shift;
-       my $hops = $DXProt::hopcount{$pcno};
-       $hops = $DXProt::def_hopcount if !$hops;
-       return "H$hops";       
-}
-
-# 
-# adjust the hop count on a per node basis using the user loadable 
-# hop table if available or else decrement an existing one
-#
-
-sub adjust_hops
-{
-       my $self = shift;
-       my $s = shift;
-       my $call = $self->{call};
-       my $hops;
-       
-       if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
-               my ($pcno) = $s =~ /^PC(\d\d)/o;
-               confess "$call called adjust_hops with '$s'" unless $pcno;
-               my $ref = $nodehops{$call} if %nodehops;
-               if ($ref) {
-                       my $newhops = $ref->{$pcno};
-                       return "" if defined $newhops && $newhops == 0;
-                       $newhops = $ref->{default} unless $newhops;
-                       return "" if defined $newhops && $newhops == 0;
-                       $newhops = $hops if !$newhops;
-                       $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
-               } else {
-                       # simply decrement it
-                       $hops--;
-                       return "" if !$hops;
-                       $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
-               }
-       }
-       return $s;
-}
-
-# 
-# load hop tables
-#
-sub load_hops
-{
-       my $self = shift;
-       return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
-       do "$main::data/hop_table.pl";
-       return $@ if $@;
-       return ();
-}
-
-sub process_rcmd
-{
-       my ($self, $tonode, $fromnode, $user, $cmd) = @_;
-       if ($tonode eq $main::mycall) {
-               my $ref = DXUser->get_current($fromnode);
-               my $cref = Route::Node::get($fromnode);
-               Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
-               if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
-                       if ($ref->{priv}) {             # you have to have SOME privilege, the commands have further filtering
-                               $self->{remotecmd} = 1; # for the benefit of any command that needs to know
-                               my $oldpriv = $self->{priv};
-                               $self->{priv} = $ref->{priv}; # assume the user's privilege level
-                               my @in = (DXCommandmode::run_cmd($self, $cmd));
-                               $self->{priv} = $oldpriv;
-                               $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
-                               delete $self->{remotecmd};
-                       } else {
-                               $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
-                       }
-               } else {
-                       $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
-               }
-       } else {
-               my $ref = DXUser->get_current($tonode);
-               if ($ref && $ref->is_clx) {
-                       $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
-               } else {
-                       $self->route($tonode, pc34($fromnode, $tonode, $cmd));
-               }
-       }
-}
-
-sub process_rcmd_reply
-{
-       my ($self, $tonode, $fromnode, $user, $line) = @_;
-       if ($tonode eq $main::mycall) {
-               my $s = $rcmds{$fromnode};
-               if ($s) {
-                       my $dxchan = DXChannel::get($s->{call});
-                       my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
-                       $ref->send($line) if $ref;
-                       delete $rcmds{$fromnode} if !$dxchan;
-               } else {
-                       # send unsolicited ones to the sysop
-                       my $dxchan = DXChannel::get($main::myalias);
-                       $dxchan->send($line) if $dxchan;
-               }
-       } else {
-               my $ref = DXUser->get_current($tonode);
-               if ($ref && $ref->is_clx) {
-                       $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
-               } else {
-                       $self->route($tonode, pc35($fromnode, $tonode, $line));
-               }
-       }
-}
-
-sub send_rcmd_reply
-{
-       my $self = shift;
-       my $tonode = shift;
-       my $fromnode = shift;
-       my $user = shift;
-       while (@_) {
-               my $line = shift;
-               $line =~ s/\s*$//;
-               Log('rcmd', 'out', $fromnode, $line);
-               if ($self->is_clx) {
-                       $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
-               } else {
-                       $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
-               }
-       }
-}
-
-# add a rcmd request to the rcmd queues
-sub addrcmd
-{
-       my ($self, $to, $cmd) = @_;
-
-       my $r = {};
-       $r->{call} = $self->{call};
-       $r->{t} = $main::systime;
-       $r->{cmd} = $cmd;
-       $rcmds{$to} = $r;
-       
-       my $ref = Route::Node::get($to);
-       my $dxchan = $ref->dxchan;
-       if ($dxchan && $dxchan->is_clx) {
-               route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
-       } else {
-               route(undef, $to, pc34($main::mycall, $to, $cmd));
-       }
-}
-
-sub disconnect
-{
-       my $self = shift;
-       my $pc39flag = shift;
-       my $call = $self->call;
-
-       return if $self->{disconnecting}++;
-       
-       unless ($pc39flag && $pc39flag == 1) {
-               $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
-       }
-
-       # get rid of any PC16/17/19
-       eph_del_regex("^PC1[679]*$call");
-
-       # do routing stuff, remove me from routing table
-       my $node = Route::Node::get($call);
-       my @rout;
-       if ($node) {
-               @rout = $node->del($main::routeroot);
-               
-               # and all my ephemera as well
-               for (@rout) {
-                       my $c = $_->call;
-                       eph_del_regex("^PC1[679].*$c");
-               }
-       }
-
-       RouteDB::delete_interface($call);
-       
-       # remove them from the pc19list as well
-       while (my ($k,$v) = each %pc19list) {
-               my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
-               if (@l) {
-                       $pc19list{$k} = \@l;
-               } else {
-                       delete $pc19list{$k};
-               }
-               
-               # and the ephemera
-               eph_del_regex("^PC1[679].*$k");
-       }
-
-       # unbusy and stop and outgoing mail
-       my $mref = DXMsg::get_busy($call);
-       $mref->stop_msg($call) if $mref;
-       
-       # broadcast to all other nodes that all the nodes connected to via me are gone
-       unless ($pc39flag && $pc39flag == 2) {
-               $self->route_pc21($main::mycall, undef, @rout) if @rout;
-       }
-
-       # remove outstanding pings
-       delete $pings{$call};
-       
-       # I was the last node visited
-    $self->user->node($main::mycall);
-
-       # send info to all logged in thingies
-       $self->tell_login('logoutn');
-
-       Log('DXProt', $call . " Disconnected");
-
-       $self->SUPER::disconnect;
-}
-
-
-# 
-# send a talk message to this thingy
-#
-sub talk
-{
-       my ($self, $from, $to, $via, $line, $origin) = @_;
-       
-       $line =~ s/\^/\\5E/g;                   # remove any ^ characters
-       $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
-       Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
-}
-
-# send it if it isn't the except list and isn't isolated and still has a hop count
-# taking into account filtering and so on
-
-sub send_route
-{
-       my $self = shift;
-       my $origin = shift;
-       my $generate = shift;
-       my $no = shift;     # the no of things to filter on 
-       my $routeit;
-       my ($filter, $hops);
-       my @rin;
-       
-       for (; @_ && $no; $no--) {
-               my $r = shift;
-               
-               if (!$self->{isolate} && $self->{routefilter}) {
-                       $filter = undef;
-                       if ($r) {
-                               ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
-                               if ($filter) {
-                                       push @rin, $r;
-                               } else {
-                                       dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
-                               }
-                       } else {
-                               dbg("was sent a null value") if isdbg('chanerr');
-                       }
-               } else {
-                       push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
-               }
-       }
-       if (@rin) {
-               foreach my $line (&$generate(@rin, @_)) {
-                       if ($hops) {
-                               $routeit = $line;
-                               $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
-                       } else {
-                               $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
-                               next unless $routeit;
-                       }
-                       
-                       $self->send($routeit);
-               }
-       }
-}
-
-sub broadcast_route
-{
-       my $self = shift;
-       my $origin = shift;
-       my $generate = shift;
-       my $line = shift;
-       my @dxchan = DXChannel::get_all_nodes();
-       my $dxchan;
-       
-       unless ($self->{isolate}) {
-               foreach $dxchan (@dxchan) {
-                       next if $dxchan == $self;
-                       next if $dxchan == $main::me;
-                       next unless $dxchan->isa('DXProt');
-                       next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
-                       $dxchan->send_route($origin, $generate, @_);
-               }
-       }
-}
-
-sub route_pc16
-{
-       my $self = shift;
-       return unless $self->user->wantpc16;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc16, $line, 1, @_);
-}
-
-sub route_pc17
-{
-       my $self = shift;
-       return unless $self->user->wantpc16;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc17, $line, 1, @_);
-}
-
-sub route_pc19
-{
-       my $self = shift;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
-}
-
-sub route_pc21
-{
-       my $self = shift;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
-}
-
-sub route_pc24
-{
-       my $self = shift;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc24, $line, 1, @_);
-}
-
-sub route_pc41
-{
-       my $self = shift;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc41, $line, 1, @_);
-}
-
-sub route_pc50
-{
-       my $self = shift;
-       my $origin = shift;
-       my $line = shift;
-       broadcast_route($self, $origin, \&pc50, $line, 1, @_);
-}
-
-sub in_filter_route
-{
-       my $self = shift;
-       my $r = shift;
-       my ($filter, $hops) = (1, 1);
-       
-       if ($self->{inroutefilter}) {
-               ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
-               dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
-       }
-       return $filter;
-}
-
-sub eph_dup
-{
-       my $s = shift;
-       my $t = shift || $eph_restime;
-       my $r;
-
-       # chop the end off
-       $s =~ s/\^H\d\d?\^?\~?$//;
-       $r = 1 if exists $eph{$s};    # pump up the dup if it keeps circulating
-       $eph{$s} = $main::systime + $t;
-       dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr'); 
-       return $r;
-}
-
-sub eph_del_regex
-{
-       my $regex = shift;
-       my ($key, $val);
-       while (($key, $val) = each %eph) {
-               if ($key =~ m{$regex}) {
-                       delete $eph{$key};
-               }
-       }
-}
-
-sub eph_clean
-{
-       my ($key, $val);
-       
-       while (($key, $val) = each %eph) {
-               if ($main::systime >= $val) {
-                       delete $eph{$key};
-               }
-       }
-}
-
-sub eph_list
-{
-       my ($key, $val);
-       my @out;
-
-       while (($key, $val) = each %eph) {
-               push @out, $key, $val;
-       }
-       return @out;
-}
-
-sub run_cmd
-{
-       goto &DXCommandmode::run_cmd;
-}
-
-
-# import any msgs in the chat directory
-# the messages are sent to the chat group which forms the
-# the first part of the name (eg: solar.1243.txt would be
-# sent to chat group SOLAR)
-# 
-# Each message found is sent: one non-blank line to one chat
-# message. So 4 lines = 4 chat messages.
-# 
-# The special name LOCAL is for local users ANN
-# The special name ALL is for ANN/FULL
-# The special name SYSOP is for ANN/SYSOP
-#
-sub import_chat
-{
-       # are there any to do in this directory?
-       return unless -d $chatimportfn;
-       unless (opendir(DIR, $chatimportfn)) {
-               dbg("can\'t open $chatimportfn $!") if isdbg('msg');
-               Log('msg', "can\'t open $chatimportfn $!");
-               return;
-       } 
-
-       my @names = readdir(DIR);
-       closedir(DIR);
-       my $name;
-       foreach $name (@names) {
-               next if $name =~ /^\./;
-               my $splitit = $name =~ /^split/;
-               my $fn = "$chatimportfn/$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 { s/\r?\n$//; $_ } <MSG>;
-               close(MSG);
-               unlink($fn);
-
-               my @cat = split /\./, $name;
-               my $target = uc $cat[0];
-
-               foreach my $text (@msg) {
-                       next unless $text && $text !~ /^\s*#/;
-                       if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
-                               my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
-                               if ($target ne 'LOCAL') {
-                                       send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
-                               } else {
-                                       Log('ann', 'LOCAL', $main::mycall, $text);
-                                       DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
-                               }
-                       } else {
-                               my $msgid = nextchatmsgid();
-                               $text = "#$msgid $text";
-                               send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');
-                       }
-               }
-       }
-}
-
-1;
-__END__ 
+#!/usr/bin/perl## This module impliments the protocal mode for a dx cluster## Copyright (c) 1998 Dirk Koopman G1TLH## $Id$#package DXProt;@ISA = qw(DXChannel);use DXUtil;use DXChannel;use DXUser;use DXM;use DXProtVars;use DXCommandmode;use DXLog;use Spot;use DXProtout;use DXDebug;use Filter;use Local;use DXDb;use AnnTalk;use Geomag;use WCY;use BadWords;use DXHash;use Route;use Route::Node;use Script;use RouteDB;use DXProtHandle;use strict;use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime                 $last_hour $last10 %eph  %pings %rcmds $ann_to_talk                     $pingint $obscount %pc19list $chatdupeage $chatimportfn                 $investigation_int $pc19_version $myprot_version                        %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck                      $allowzero $decode_dk0wcy $send_opernam @checklist                      $eph_pc15_restime $pc92_update_period $last_pc92_update                 %pc92_find $pc92_find_timeout              );$pc11_max_age = 1*3600;                    # the maximum age for an incoming 'real-time' pc11$pc23_max_age = 1*3600;                       # the maximum age for an incoming 'real-time' pc23$last_hour = time;                            # last time I did an hourly periodic update%rcmds = ();                    # outstanding rcmd requests outbound%nodehops = ();                 # node specific hop control%pc19list = ();                                       # list of outstanding PC19s that haven't had PC16s on them$censorpc = 1;                                        # Do a BadWords::check on text fields and reject things                                                         # loads of 'bad things'$baddx = new DXHash "baddx";$badspotter = new DXHash "badspotter";$badnode = new DXHash "badnode";$last10 = $last_pc50 = time;$ann_to_talk = 1;$rspfcheck = 1;$eph_restime = 180;$eph_info_restime = 60*60;$eph_pc15_restime = 6*60;$eph_pc34_restime = 30;$pingint = 5*60;$obscount = 2;$chatdupeage = 20 * 60 * 60;$chatimportfn = "$main::root/chat_import";$investigation_int = 12*60*60;    # time between checks to see if we can see this node$pc19_version = 5466;                       # the visible version no for outgoing PC19s generated from pc59$pc92_update_period = 30*60;     # the period between PC92 C updates$last_pc92_update = time + int rand(180);            # the last time a PC92 config update%pc92_find = ();                            # outstanding pc92 find operations$pc92_find_timeout = 30;              # maximum time to wait for a reply@checklist =( [ qw(i c c m bp bc c) ],                        # pc10 [ qw(i f m d t m c c h) ],               # pc11 [ qw(i c bm m bm bm p h) ],              # pc12 [ qw(i c h) ],                                   # [ qw(i c h) ],                                        # [ qw(i c m h) ],                                      # undef ,                                               # pc16 has to be validated manually [ qw(i c c h) ],                                    # pc17 [ qw(i m n) ],                                   # pc18 undef ,                                          # pc19 has to be validated manually undef ,                                             # pc20 no validation [ qw(i c m h) ],                                   # pc21 undef ,                                          # pc22 no validation [ qw(i d n n n n m c c h) ],               # pc23 [ qw(i c p h) ],                                 # pc24 [ qw(i c c n n) ],                               # pc25 [ qw(i f m d t m c c bc) ],              # pc26 [ qw(i d n n n n m c c bc) ],    # pc27 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28 [ qw(i c c n m) ],                                # pc29 [ qw(i c c n) ],                                 # pc30 [ qw(i c c n) ],                                 # pc31 [ qw(i c c n) ],                                 # pc32 [ qw(i c c n) ],                                 # pc33 [ qw(i c c m) ],                                 # pc34 [ qw(i c c m) ],                                 # pc35 [ qw(i c c m) ],                                 # pc36 [ qw(i c c n m) ],                               # pc37 undef,                                                   # pc38 not interested [ qw(i c m) ],                                    # pc39 [ qw(i c c m p n) ],                             # pc40 [ qw(i c n m h) ],                               # pc41 [ qw(i c c n) ],                                 # pc42 undef,                                                   # pc43 don't handle it [ qw(i c c n m m c) ],                   # pc44 [ qw(i c c n m) ],                               # pc45 [ qw(i c c n) ],                                 # pc46 undef,                                                   # pc47 undef,                                                   # pc48 [ qw(i c m h) ],                                 # pc49 [ qw(i c n h) ],                                 # pc50 [ qw(i c c n) ],                                 # pc51 undef, undef, undef, undef, undef, undef, undef, undef, undef,                                                   # pc60 undef, undef, undef, undef, undef, undef, undef, undef, undef, undef,                                                    # pc70 undef, undef, [ qw(i d n n n n n n m m m c c h) ],       # pc73 undef, undef, undef, undef, undef, undef, undef,                                                 # pc80 undef, undef, undef, [ qw(i c c c m) ],                          # pc84 [ qw(i c c c m) ],                               # pc85 undef, undef, undef, undef, [ qw(i c n) ],                                       # pc90);# use the entry in the check list to check the field list presented# return OK if line NOT in check list (for now)sub check{    my $n = shift;  $n -= 10;       return 0 if $n < 0 || $n > @checklist;  my $ref = $checklist[$n];       return 0 unless ref $ref;       my $i;  for ($i = 1; $i < @$ref; $i++) {                my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;          return 0 unless $act;           next if $blank && $_[$i] =~ /^[ \*]$/;          if ($act eq 'c') {                      return $i unless is_callsign($_[$i]);           } elsif ($act eq 'i') {                 ;                                       # do nothing            } elsif ($act eq 'm') {                 return $i unless is_pctext($_[$i]);             } elsif ($act eq 'p') {                 return $i unless is_pcflag($_[$i]);             } elsif ($act eq 'f') {                 return $i unless is_freq($_[$i]);               } elsif ($act eq 'n') {                 return $i unless $_[$i] =~ /^[\d ]+$/;          } elsif ($act eq 'h') {                 return $i unless $_[$i] =~ /^H\d\d?$/;          } elsif ($act eq 'd') {                 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;              } elsif ($act eq 't') {                 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;              }       }       return 0;}sub init{     do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl"; confess $@ if $@;       my $user = DXUser->get($main::mycall);  die "User $main::mycall not setup or disappeared RTFM" unless $user;    $myprot_version += $main::version*100;  $main::me = DXProt->new($main::mycall, 0, $user);       $main::me->{here} = 1;  $main::me->{state} = "indifferent";     $main::me->{sort} = 'S';    # S for spider      $main::me->{priv} = 9;  $main::me->{metric} = 0;        $main::me->{pingave} = 0;       $main::me->{registered} = 1;    $main::me->{version} = $main::version;  $main::me->{build} = $main::build;      $main::me->{do_pc9x} = 1;}## obtain a new connection this is derived from dxchannel#sub new{    my $self = DXChannel::alloc(@_);        # add this node to the table, the values get filled in later    my $pkg = shift;        my $call = shift;       # if we have an entry already, then send a PC21 to all connect  # old style connections, because we are about to get the real deal      if (my $ref = Route::Node::get($call)) {                dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');                my @rout = $ref->delete;                $self->route_pc21($main::mycall, undef, @rout) if @rout;        }       $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall; return $self;}# this is how a pc connection starts (for an incoming connection)# issue a PC38 followed by a PC18, then wait for a PC20 (remembering# all the crap that comes between).sub start{        my ($self, $line, $sort) = @_;  my $call = $self->{call};       my $user = $self->{user};       # log it        my $host = $self->{conn}->{peerhost};   $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};      $host ||= "unknown";    Log('DXProt', "$call connected from $host");    # remember type of connection   $self->{consort} = $line;       $self->{outbound} = $sort eq 'O';       my $priv = $user->priv; $priv = $user->priv(1) unless $priv;    $self->{priv} = $priv;     # other clusters can always be 'normal' users        $self->{lang} = $user->lang || 'en';    $self->{isolate} = $user->{isolate};    $self->{consort} = $line;       # save the connection type      $self->{here} = 1;      $self->{width} = 80;    # sort out registration $self->{registered} = 1;        # get the output filters        $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);       $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);     $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);     $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;    $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;      # get the INPUT filters (these only pertain to Clusters)        $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);     $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);   $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);   $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);   $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};     # if there is no route input filter then specify a default one. # obviously this can be changed later by the sysop.     if (!$self->{inroutefilter}) {          my $dxcc = $self->dxcc;         $Route::filterdef->cmd($self, 'route', 'accept', "input by_dxcc $dxcc" );       }       # set unbuffered and no echo    $self->send_now('B',"0");       $self->send_now('E',"0");       $self->conn->echo(0) if $self->conn->can('echo');       # ping neighbour node stuff     my $ping = $user->pingint;      $ping = $pingint unless defined $ping;  $self->{pingint} = $ping;       $self->{nopings} = $user->nopings || $obscount; $self->{pingtime} = [ ];        $self->{pingave} = 999; $self->{metric} ||= 100;        $self->{lastping} = $main::systime;     # send initialisation string    unless ($self->{outbound}) {            $self->sendinit;        }       $self->state('init');   $self->{pc50_t} = $main::systime;       # send info to all logged in thingies   $self->tell_login('loginn');    # run a script send the output to the debug file        my $script = new Script(lc $call) || new Script('node_default');        $script->run($self) if $script;}## send outgoing 'challenge'#sub sendinit{      my $self = shift;       $self->send(pc18());}## This is the normal pcxx despatcher#sub normal{  my ($self, $line) = @_; if ($line =~ '^<\w+\s' && $main::do_xml) {              DXXml::normal($self, $line);            return; }       my @field = split /\^/, $line;  return unless @field;   pop @field if $field[-1] eq '~';#       print join(',', @field), "\n";  # process PC frames, this will fail unless the frame starts PCnn        my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number    unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {          dbg("PCPROT: unknown protocol") if isdbg('chanerr');            return; }       # check for and dump bad protocol messages      my $n = check($pcno, @field);   if ($n) {               dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');         return; }       # modify the hop count here     if ($self != $main::me) {               if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {                       $trail ||= '';                  $hops--;                        return if $hops < 0;                    $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;                       $field[-1] = "H$hops";          }       }       # send it out for processing    my $origin = $self->{call};     no strict 'subs';       my $sub = "handle_$pcno";       if ($self->can($sub)) {         $self->$sub($pcno, $line, $origin, @field);     } else {                $self->handle_default($pcno, $line, $origin, @field);   }}## This is called from inside the main cluster processing loop and is used# for despatching commands that are doing some long processing job#sub process{     my $t = time;   my @dxchan = DXChannel::get_all();      my $dxchan;     my $pc50s;      # send out a pc50 on EVERY channel all at once  if ($t >= $last_pc50 + $DXProt::pc50_interval) {                $pc50s = pc50($main::me, scalar DXChannel::get_all_users);              eph_dup($pc50s);                $last_pc50 = $t;        }       foreach $dxchan (@dxchan) {             next unless $dxchan->is_node;           next if $dxchan->handle_xml;            next if $dxchan == $main::me;           # send the pc50         $dxchan->send($pc50s) if $pc50s;                # send a ping out on this channel               if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {                     if ($dxchan->{nopings} <= 0) {                          $dxchan->disconnect;                    } else {                                DXXml::Ping::add($main::me, $dxchan->call);                             $dxchan->{nopings} -= 1;                                $dxchan->{lastping} = $t;                               $dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};                    }               }       }       Investigate::process(); clean_pc92_find();      # every ten seconds     if ($t - $last10 >= 10) {               # clean out ephemera            eph_clean();            import_chat();          if ($main::systime >= $last_pc92_update + $pc92_update_period) {                        dbg("ROUTE: sending pc92 update") if isdbg('route');                    send_pc92_update();                     time_out_pc92_routes();                 $last_pc92_update = $main::systime + int rand(5*60);            }               $last10 = $t;   }       if ($main::systime - 3600 > $last_hour) {               $last_hour = $main::systime;    }}## finish up a pc context### some active measures#sub send_dx_spot{   my $self = shift;       my $line = shift;       my @dxchan = DXChannel::get_all();      my $dxchan;     # send it if it isn't the except list and isn't isolated and still has a hop count      # taking into account filtering and so on       foreach $dxchan (@dxchan) {             next if $dxchan == $main::me;           next if $dxchan == $self && $self->is_node;             $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});   }}sub dx_spot{  my $self = shift;       my $line = shift;       my $isolate = shift;    my ($filter, $hops);    if ($self->{spotsfilter}) {             ($filter, $hops) = $self->{spotsfilter}->it(@_);                return unless $filter;  }       send_prot_line($self, $filter, $hops, $isolate, $line);}sub send_prot_line{     my ($self, $filter, $hops, $isolate, $line) = @_;       my $routeit;    if ($hops) {            $routeit = $line;               $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;        } else {                $routeit = adjust_hops($self, $line);  # adjust its hop count by node name              return unless $routeit; }       if ($filter) {          $self->send($routeit);  } else {                $self->send($routeit) unless $self->{isolate} || $isolate;      }}sub send_wwv_spot{    my $self = shift;       my $line = shift;       my @dxchan = DXChannel::get_all();      my $dxchan;     my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);  # send it if it isn't the except list and isn't isolated and still has a hop count      # taking into account filtering and so on       foreach $dxchan (@dxchan) {             next if $dxchan == $main::me;           next if $dxchan == $self && $self->is_node;             my $routeit;            my ($filter, $hops);            $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);        }}sub wwv{      my $self = shift;       my $line = shift;       my $isolate = shift;    my ($filter, $hops);    if ($self->{wwvfilter}) {               ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);          return unless $filter;  }       send_prot_line($self, $filter, $hops, $isolate, $line)}sub send_wcy_spot{       my $self = shift;       my $line = shift;       my @dxchan = DXChannel::get_all();      my $dxchan;     my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);        # send it if it isn't the except list and isn't isolated and still has a hop count      # taking into account filtering and so on       foreach $dxchan (@dxchan) {             next if $dxchan == $main::me;           next if $dxchan == $self;               $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);        }}sub wcy{      my $self = shift;       my $line = shift;       my $isolate = shift;    my ($filter, $hops);    if ($self->{wcyfilter}) {               ($filter, $hops) = $self->{wcyfilter}->it(@_);          return unless $filter;  }       send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;}# send an announcesub send_announce{    my $self = shift;       my $from_pc9x = shift;  my $line = shift;       my @dxchan = DXChannel::get_all();      my $dxchan;     my $target = $_[6];     my $to = 'To '; my $text = unpad($_[2]);        if ($_[3] eq '*') {     # sysops                $target = "SYSOP";      } elsif ($_[3] gt ' ') { # speciality list handling             my ($name) = split /\./, $_[3];         $target = "$name"; # put the rest in later (if bothered)        }       if ($_[5] eq '1') {             $target = "WX";         $to = '';       }       $target = "ALL" if !$target;    # obtain country codes etc      my @a = Prefix::cty_data($_[0]);        my @b = Prefix::cty_data($_[4]);        if ($self->{inannfilter}) {             my ($filter, $hops) =                   $self->{inannfilter}->it(@_, $self->{call},                                                                      @a[0..2],                                                                       @b[0..2], $a[3], $b[3]);               unless ($filter) {                      dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');                   return;         }       }       if (AnnTalk::dup($_[0], $_[1], $_[2])) {                dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');          return; }       Log('ann', $target, $_[0], $text);      # send it if it isn't the except list and isn't isolated and still has a hop count      # taking into account filtering and so on       foreach $dxchan (@dxchan) {             next if $dxchan == $main::me;           next if $dxchan == $self && $self->is_node;             next if $from_pc9x && $dxchan->{do_pc9x};               next if $target eq 'LOCAL' && $dxchan->is_node;         $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},                                                @a[0..2], @b[0..2]);  }}my $msgid = 0;sub nextchatmsgid{      $msgid++;       $msgid = 1 if $msgid > 999;     return $msgid;}# send a chat linesub send_chat{ my $self = shift;       my $from_pc9x = shift;  my $line = shift;       my @dxchan = DXChannel::get_all();      my $dxchan;     my $target = $_[3];     my $text = unpad($_[2]);        my $ak1a_line;  # munge the group and recast the line if required       if ($target =~ s/\.LST$//) {            $ak1a_line = $line;     }       # obtain country codes etc      my @a = Prefix::cty_data($_[0]);        my @b = Prefix::cty_data($_[4]);        if ($self->{inannfilter}) {             my ($filter, $hops) =                   $self->{inannfilter}->it(@_, $self->{call},                                                                      @a[0..2],                                                                       @b[0..2], $a[3], $b[3]);               unless ($filter) {                      dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');                   return;         }       }       if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {          dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');          return; }       Log('chat', $target, $_[0], $text);     # send it if it isn't the except list and isn't isolated and still has a hop count      # taking into account filtering and so on       foreach $dxchan (@dxchan) {             my $is_ak1a = $dxchan->is_ak1a;         if ($dxchan->is_node) {                 next if $dxchan == $main::me;                   next if $dxchan == $self;                       next if $from_pc9x && $dxchan->{do_pc9x};                       next unless $dxchan->is_spider || $is_ak1a;                     next if $target eq 'LOCAL';                     if (!$ak1a_line && $is_ak1a) {                          $ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");                  }               }               $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],                                    $text, @_, $self->{call}, @a[0..2], @b[0..2]);        }}sub announce{ my $self = shift;       my $line = shift;       my $isolate = shift;    my $to = shift; my $target = shift;     my $text = shift;       my ($filter, $hops);    if ($self->{annfilter}) {               ($filter, $hops) = $self->{annfilter}->it(@_);          return unless $filter;  }       send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;}sub chat{ goto &announce;}sub send_local_config{  my $self = shift;       dbg('DXProt::send_local_config') if isdbg('trace');     # send our nodes        if ($self->{do_pc9x}) {         $self->send_pc92_config;        } else {                my $node;               my @nodes;              my @localnodes;         my @remotenodes;                if ($self->{isolate}) {                 @localnodes = ( $main::routeroot );                     $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);          } else {                        # create a list of all the nodes that are not connected to this connection                      # and are not themselves isolated, this to make sure that isolated nodes                        # don't appear outside of this node                     # send locally connected nodes                  my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();                    @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;                    $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);                 my $node;                       my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;                 my @intcalls;                   for $node (@rawintcalls) {                              push @intcalls, $node unless grep $node eq $_, @intcalls;                       }                       my $ref = Route::Node::get($self->{call});                      my @rnodes = $ref->nodes;                       for $node (@intcalls) {                         push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;                      }                       $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);           }               # get all the users connected on the above nodes and send them out              foreach $node ($main::routeroot, @localnodes, @remotenodes) {                   if ($node) {                            my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;                             $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;                        } else {                                dbg("sent a null value") if isdbg('chanerr');                   }               }       }}sub gen_my_pc92_config{       my $node = shift;       if ($node->{call} eq $main::mycall) {           my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();         dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');           my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;          dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');               return pc92c($main::routeroot, @localnodes);    } else {                my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;             return pc92c($node, @rout);     }}sub gen_pc92_update{  my $self = shift;       my $with_pc92_nodes = shift;    my $node;       my @lines;      my @dxchan;     my @localnodes; dbg('ROUTE: DXProt::gen_pc92_update start') if isdbg('routelow');       # send 'my' configuration for all channels      push @lines, gen_my_pc92_config($main::routeroot);      if ($with_pc92_nodes) {         # send out the configuration of all the directly connected PC92 nodes with current configuration                # but with the dates that the last config came in with.         @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && $_->{do_pc9x} } DXChannel::get_all_nodes();              dbg("ROUTE: pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');          @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;               dbg("ROUTE: pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');          foreach $node (@localnodes) {                   if ($node && $node->lastid->{92}) {                             my @rout = map {my $r = Route::get($_); $r ? ($r) : ()} $node->nodes, $node->users;                             push @lines, gen_pc92_with_time($node->call, 'C', $node->lastid->{92}, @rout);                  }               }       }       # send the configuration of all the directly connected 'external' nodes that don't handle PC92  # out with the 'external' marker on the first node.     @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && !$_->{do_pc9x} } DXChannel::get_all_nodes();     dbg("ROUTE: non pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');      @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;       dbg("ROUTE: non pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');      foreach $node (@localnodes) {           if ($node) {                    push @lines, gen_my_pc92_config($node);         }       }       dbg('ROUTE: DXProt::gen_pc92_update end with ' . scalar @lines . ' lines') if isdbg('routelow');        return @lines;}sub send_pc92_config{    my $self = shift;       dbg('DXProt::send_pc92_config') if isdbg('trace');      my @out = $self->gen_pc92_update(1);    # send the complete config out on this interface        for (@out) {            $self->send($_);        }}sub send_pc92_update{ my @out = $main::me->gen_pc92_update(0);        # broadcast the lines to all PC92 nodes for (@out) {            $main::me->broadcast_route_pc9x($main::mycall, undef, $_, 0);   }}sub time_out_pc92_routes{     my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();   my @rdel;       foreach my $n (@nodes) {                my $o = $n->dec_obs;            if ($o <= 0) {                  if (my $dxchan = DXChannel::get($n->call)) {                            dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('route');                           $dxchan->disconnect;                            next;                   }                       my @parents = map {Route::Node::get($_)} $n->parents;                   for (@parents) {                                if ($_) {                                       dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('route');                                   push @rdel, $n->del($_);                                }                       }               } else {                        dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('route');          }       }       for (@rdel) {           $main::me->route_pc21($main::mycall, undef, $_) if $_;  }}## route a message down an appropriate interface for a callsign## is called route(to, pcline);#sub route{     my ($self, $call, $line) = @_;  if (ref $self && $call eq $self->{call}) {              dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');             return; }       # always send it down the local interface if available  my $dxchan = DXChannel::get($call);     if ($dxchan) {          dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');       } else {                my $cl = Route::get($call);             $dxchan = $cl->dxchan if $cl;           if (ref $dxchan) {                      if (ref $self && $dxchan eq $self) {                            dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');                             return;                 }                       dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');           }       }       # try the backstop method       unless ($dxchan) {              my $rcall = RouteDB::get($call);                if ($rcall) {                   if ($self && $rcall eq $self->{call}) {                         dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');                             return;                 }                       $dxchan = DXChannel::get($rcall);                       dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;              }       }       if ($dxchan) {          my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name                if ($routeit) {                 $dxchan->send($routeit) unless $dxchan == $main::me;            }       } else {                dbg("PCPROT: No route available, dropped") if isdbg('chanerr'); }}## obtain the hops from the list for this callsign and pc no#sub get_hops{    my $pcno = shift;       my $hops = $DXProt::hopcount{$pcno};    $hops = $DXProt::def_hopcount if !$hops;        return "H$hops";}## adjust the hop count on a per node basis using the user loadable# hop table if available or else decrement an existing one#sub adjust_hops{ my $self = shift;       my $s = shift;  my $call = $self->{call};       my $hops;       if (($hops) = $s =~ /\^H(\d+)\^?~?$/o) {                my ($pcno) = $s =~ /^PC(\d\d)/o;                confess "$call called adjust_hops with '$s'" unless $pcno;              my $ref = $nodehops{$call} if %nodehops;                if ($ref) {                     my $newhops = $ref->{$pcno};                    return "" if defined $newhops && $newhops == 0;                 $newhops = $ref->{default} unless $newhops;                     return "" if defined $newhops && $newhops == 0;                 $newhops = $hops if !$newhops;                  $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;             }       }       return $s;}## load hop tables#sub load_hops{    my $self = shift;       return $self->msg('lh1') unless -e "$main::data/hop_table.pl";  do "$main::data/hop_table.pl";  return $@ if $@;        return ();}sub process_rcmd{    my ($self, $tonode, $fromnode, $user, $cmd) = @_;       if ($tonode eq $main::mycall) {         my $ref = DXUser->get_current($fromnode);               my $cref = Route::Node::get($fromnode);         Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);               if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!                      if ($ref->{priv}) {             # you have to have SOME privilege, the commands have further filtering                          $self->{remotecmd} = 1; # for the benefit of any command that needs to know                             my $oldpriv = $self->{priv};                            $self->{priv} = $ref->{priv}; # assume the user's privilege level                               my @in = (DXCommandmode::run_cmd($self, $cmd));                         $self->{priv} = $oldpriv;                               $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);                           delete $self->{remotecmd};                      } else {                                $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");                   }               } else {                        $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");             }       } else {                my $ref = DXUser->get_current($tonode);         if ($ref && $ref->is_clx) {                     $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));           } else {                        $self->route($tonode, pc34($fromnode, $tonode, $cmd));          }       }}sub process_rcmd_reply{       my ($self, $tonode, $fromnode, $user, $line) = @_;      if ($tonode eq $main::mycall) {         my $s = $rcmds{$fromnode};              if ($s) {                       my $dxchan = DXChannel::get($s->{call});                        my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);                      $ref->send($line) if $ref;                      delete $rcmds{$fromnode} if !$dxchan;           } else {                        # send unsolicited ones to the sysop                    my $dxchan = DXChannel::get($main::myalias);                    $dxchan->send($line) if $dxchan;                }       } else {                my $ref = DXUser->get_current($tonode);         if ($ref && $ref->is_clx) {                     $self->route($tonode, pc85($fromnode, $tonode, $user, $line));          } else {                        $self->route($tonode, pc35($fromnode, $tonode, $line));         }       }}sub send_rcmd_reply{  my $self = shift;       my $tonode = shift;     my $fromnode = shift;   my $user = shift;       while (@_) {            my $line = shift;               $line =~ s/\s*$//;              Log('rcmd', 'out', $fromnode, $line);           if ($self->is_clx) {                    $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));              } else {                        $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));             }       }}# add a rcmd request to the rcmd queuessub addrcmd{   my ($self, $to, $cmd) = @_;     my $r = {};     $r->{call} = $self->{call};     $r->{t} = $main::systime;       $r->{cmd} = $cmd;       $rcmds{$to} = $r;       my $ref = Route::Node::get($to);        my $dxchan = $ref->dxchan;      if ($dxchan && $dxchan->is_clx) {               route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));       } else {                route(undef, $to, pc34($main::mycall, $to, $cmd));      }}sub disconnect{       my $self = shift;       my $pc39flag = shift;   my $call = $self->call; return if $self->{disconnecting}++;     unless ($pc39flag && $pc39flag == 1) {          $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));    }       # get rid of any PC16/17/19     eph_del_regex("^PC1[679]*$call");       # do routing stuff, remove me from routing table        my $node = Route::Node::get($call);     my @rout;       if ($node) {            @rout = $node->del($main::routeroot);           # and all my ephemera as well           for (@rout) {                   my $c = $_->call;                       eph_del_regex("^PC1[679].*$c");         }       }       RouteDB::delete_interface($call);       # unbusy and stop and outgoing mail     my $mref = DXMsg::get_busy($call);      $mref->stop_msg($call) if $mref;        # broadcast to all other nodes that all the nodes connected to via me are gone  unless ($pc39flag && $pc39flag == 2)  {         $self->route_pc21($main::mycall, undef, @rout) if @rout;                $self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;     }       # remove outstanding pings      delete $pings{$call};   # I was the last node visited    $self->user->node($main::mycall);      # send info to all logged in thingies   $self->tell_login('logoutn');   Log('DXProt', $call . " Disconnected"); $self->SUPER::disconnect;}## send a talk message to this thingy#sub talk{       my ($self, $from, $to, $via, $line, $origin) = @_;      if ($self->{do_pc9x}) {         $self->send(pc93($to, $from, $via, $line));     } else {                $self->send(pc10($from, $to, $via, $line, $origin));    }       Log('talk', $to, $from, '>' . ($via || $origin || $self->call), $line) unless $origin && $origin ne $main::mycall;}# send it if it isn't the except list and isn't isolated and still has a hop count# taking into account filtering and so onsub send_route{   my $self = shift;       my $origin = shift;     my $generate = shift;   my $no = shift;     # the no of things to filter on     my $routeit;    my ($filter, $hops);    my @rin;        for (; @_ && $no; $no--) {              my $r = shift;          if (!$self->{isolate} && $self->{routefilter}) {                        $filter = undef;                        if ($r) {                               ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});                         if ($filter) {                                  push @rin, $r;                          } else {                                        dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');                            }                       } else {                                dbg("was sent a null value") if isdbg('chanerr');                       }               } else {                        push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;             }       }       if (@rin) {             foreach my $line (&$generate(@rin, @_)) {                       if ($hops) {                            $routeit = $line;                               $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;                        } else {                                $routeit = adjust_hops($self, $line);  # adjust its hop count by node name                              next unless $routeit;                   }                       $self->send($routeit);          }       }}sub broadcast_route{  my $self = shift;       my $origin = shift;     my $generate = shift;   my $line = shift;       my @dxchan = DXChannel::get_all_nodes();        my $dxchan;     if ($line) {            $line =~ /\^H(\d+)\^?\~?$/;             return unless $1 > 0;   }       unless ($self->{isolate}) {             foreach $dxchan (@dxchan) {                     next if $dxchan == $self;                       next if $dxchan == $main::me;                   next unless $dxchan->isa('DXProt');                     next if $dxchan->{do_pc9x};                     next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;                     $dxchan->send_route($origin, $generate, @_);            }       }}# this is only used for next door nodes on initsub send_route_pc92{   my $self = shift;       return unless $self->{do_pc9x}; my $origin = shift;     my $generate = shift;   my $no = shift;     # the no of things to filter on     my $line;       $line = &$generate(@_); $self->send($line);}sub broadcast_route_pc9x{   my $self = shift;       my $origin = shift;     my $generate = shift;   my $line = shift;       my $no = shift; my @dxchan = DXChannel::get_all_nodes();        my $dxchan;     if ($origin eq $main::mycall && $generate && !$line) {          $line = &$generate(@_); }       $line =~ /\^H(\d+)\^\~?$/;      unless ($1 > 0 && $self->{isolate}) {           foreach $dxchan (@dxchan) {                     next if $dxchan == $self || $dxchan == $main::me;                       next if $origin eq $dxchan->{call};     # don't route some from this call back again.                   next unless $dxchan->{do_pc9x};                 next unless $dxchan->isa('DXProt');                     $dxchan->send($line);           }       }}sub route_pc16{       my $self = shift;       return unless $self->user->wantpc16;    my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc16, $line, 1, @_);}sub route_pc17{  my $self = shift;       return unless $self->user->wantpc16;    my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc17, $line, 1, @_);}sub route_pc19{  my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);}sub route_pc21{  my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);}sub route_pc24{  my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc24, $line, 1, @_);}sub route_pc41{  my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc41, $line, 1, @_);}sub route_pc50{  my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route($self, $origin, \&pc50, $line, 1, @_);}sub route_pc92c{ my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);}sub route_pc92a{   my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);}sub route_pc92d{   my $self = shift;       my $origin = shift;     my $line = shift;       broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);}sub in_filter_route{       my $self = shift;       my $r = shift;  my ($filter, $hops) = (1, 1);   if ($self->{inroutefilter}) {           ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);           dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');      }       return $filter;}sub eph_dup{    my $s = shift;  my $t = shift || $eph_restime;  my $r;  # chop the end off      $s =~ s/\^H\d\d?\^?\~?$//;      $r = 1 if exists $eph{$s};    # pump up the dup if it keeps circulating $eph{$s} = $main::systime + $t; dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');  return $r;}sub eph_del_regex{   my $regex = shift;      my ($key, $val);        while (($key, $val) = each %eph) {              if ($key =~ m{$regex}) {                        delete $eph{$key};              }       }}sub eph_clean{        my ($key, $val);        while (($key, $val) = each %eph) {              if ($main::systime >= $val) {                   delete $eph{$key};              }       }}sub eph_list{ my ($key, $val);        my @out;        while (($key, $val) = each %eph) {              push @out, $key, $val;  }       return @out;}sub run_cmd{       goto &DXCommandmode::run_cmd;}# import any msgs in the chat directory# the messages are sent to the chat group which forms the# the first part of the name (eg: solar.1243.txt would be# sent to chat group SOLAR)## Each message found is sent: one non-blank line to one chat# message. So 4 lines = 4 chat messages.## The special name LOCAL is for local users ANN# The special name ALL is for ANN/FULL# The special name SYSOP is for ANN/SYSOP#sub import_chat{ # are there any to do in this directory?        return unless -d $chatimportfn; unless (opendir(DIR, $chatimportfn)) {          dbg("can\'t open $chatimportfn $!") if isdbg('msg');            Log('msg', "can\'t open $chatimportfn $!");             return; }       my @names = readdir(DIR);       closedir(DIR);  my $name;       foreach $name (@names) {                next if $name =~ /^\./;         my $splitit = $name =~ /^split/;                my $fn = "$chatimportfn/$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 { s/\r?\n$//; $_ } <MSG>;         close(MSG);             unlink($fn);            my @cat = split /\./, $name;            my $target = uc $cat[0];                foreach my $text (@msg) {                       next unless $text && $text !~ /^\s*#/;                  if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {                             my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';                         if ($target ne 'LOCAL') {                                       send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');                               } else {                                        Log('ann', 'LOCAL', $main::mycall, $text);                                      DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());                              }                       } else {                                my $msgid = nextchatmsgid();                            $text = "#$msgid $text";                                send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');                 }               }       }}# start a pc92 find operationsub start_pc92_find{     my $dxchan = shift;     my $target = shift;     my $key = "$dxchan->{call}|$target";    if ($pc92_find{$key}) { }}# function (not method) to handle pc92 find returnssub handle_pc92_find_reply{        my ($dxchan, $node, $from, $target, $flag, $ms) = @_;   $dxchan->print_pc92_find_reply($node, $target, $flag, $ms) if $dxchan->can('print_pc92_find_return');}sub clean_pc92_find{}1;__END__
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