+
+#
+# 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 $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 line
+sub 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:$line"));
+ }
+ }
+}
+
+# add a rcmd request to the rcmd queues
+sub addrcmd
+{
+ my ($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);
+
+ # 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