use Script;
use Investigate;
use RouteDB;
-
+use DXProtHandle;
use strict;
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;
- $main::routeroot->add($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 <= 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;
- }
-
- 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);
- }
-}
-
-# 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 config on this node from outside!") if isdbg('chanerr');
- return;
- }
-
- my $h;
- $h = 1 if DXChannel::get($ncall);
- RouteDB::update($ncall, $self->{call}, $h);
-
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
- return;
- }
-
- unless ($h) {
- dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
- return;
- }
-
- my $parent = Route::Node::get($ncall);
-
- if ($parent) {
- $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, $self->{call});
-
- unless ($ncall eq $self->{call}) {
- dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
- return;
- }
-
- my $uref = Route::User::get($ucall);
- unless ($uref) {
- dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
- }
- my $parent = Route::Node::get($ncall);
- unless ($parent) {
- dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
- }
-
- $dxchan = $parent->dxchan if $parent;
- if ($dxchan && $dxchan ne $self) {
- dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
- return;
- }
-
- # input filter if required and then remove user if present
- if ($parent) {
-# return unless $self->in_filter_route($parent);
- $parent->del_user($uref) if $uref;
- } else {
- $parent = Route->new($ncall); # throw away
- }
-
- # 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;
- }
-
- $uref = Route->new($ucall) unless $uref; # throw away
- $self->route_pc17($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/;
- $self->{do_pc92}++ if $_[1] =~ /\bpc92\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");
- $self->disconnect;
- return;
- }
-
- # parse the PC19
- #
- # We are making a major change from now on. We are only going to accept
- # PC19s from directly connected nodes. This means that we are probably
- # going to throw away most of the data that we are being sent.
- #
- # The justification for this is that most of it is wrong or out of date
- # anyway.
- #
- # From now on we are only going to believe PC92 data.
- #
- for ($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 $user->is_node;
-
-# if (eph_dup($genline)) {
-# dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
-# next;
-# }
-
- RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
-
- unless ($dxchan) {
- dbg("PCPROT: PC19 not directly connected, ignored") 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, $r;
- } else {
- if ($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;
- }
- }
- }
-
- # 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;
- }
-
- # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
- # but remember there will only be one (pair) these because any extras will be
- # thrown away.
- if (@rout) {
- $self->route_pc21($self->{call}, $line, @rout);
- $self->route_pc19($self->{call}, $line, @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
-#
-# This should never occur for directly connected nodes.
-#
-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 ignore it
- if ($call eq $self->call) {
- dbg("PCPROT: self referencing PC21 from $self->{call}");
- return;
- }
-
- RouteDB::delete($call, $self->{call});
-
- my $parent = Route::Node::get($self->{call});
- unless ($parent) {
- dbg("PCPROT: my parent $self->{call} has disappeared");
- $self->disconnect;
- return;
- }
-
- my @rout;
-
- if ($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) {
- $user->name($_[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]);
+ return 0;
}
-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
+sub init
{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
+ do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
+ confess $@ if $@;
- if (eph_dup($line)) {
- dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
- return;
- }
+ my $user = DXUser->get($main::mycall);
+ die "User $main::mycall not setup or disappeared RTFM" unless $user;
- if ($_[1] eq $main::mycall) {
- DXMsg::handle_49($self, @_);
- } else {
- $self->route($_[1], $line) unless $self->is_clx;
- }
+ $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;
}
-# 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});
+#
+# obtain a new connection this is derived from dxchannel
+#
- my $node = Route::Node::get($call);
- if ($node) {
- return unless $node->call eq $self->{call};
- $node->usercount($_[2]);
+sub new
+{
+ my $self = DXChannel::alloc(@_);
- # input filter if required
- return unless $self->in_filter_route($node);
+ # add this node to the table, the values get filled in later
+ my $pkg = shift;
+ my $call = shift;
+ $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
- $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
- }
+ return $self;
}
-
-# incoming ping requests/answers
-sub handle_51
+
+# 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 = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- my $to = $_[1];
- my $from = $_[2];
- my $flag = $_[3];
+ my ($self, $line, $sort) = @_;
+ my $call = $self->{call};
+ my $user = $self->{user};
-
- # is it for us?
- if ($to eq $main::mycall) {
- if ($flag == 1) {
- $self->send(pc51($from, $to, '0'));
- } else {
- DXXml::Ping::handle_ping_reply($self, $from);
- }
- } else {
+ # log it
+ my $host = $self->{conn}->{peerhost};
+ $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
+ $host ||= "unknown";
- RouteDB::update($from, $self->{call});
+ Log('DXProt', "$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;
+ $self->{width} = 80;
- if (eph_dup($line)) {
- dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
- return;
- }
- # route down an appropriate thingy
- $self->route($to, $line);
- }
-}
+ # sort out registration
+ $self->{registered} = 1;
-# 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);
- }
-}
+ # 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} ;
-# 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;
+
+ # 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;
}
-
- my $wcy = WCY::update($d, @_[2..12]);
+
+ $self->state('init');
+ $self->{pc50_t} = $main::systime;
- my $rep;
- eval {
- $rep = Local::wcy($self, @_[1..12]);
- };
- # dbg("Local::wcy error $@") if isdbg('local') if $@;
- return if $rep;
+ # send info to all logged in thingies
+ $self->tell_login('loginn');
- # broadcast to the eager world
- send_wcy_spot($self, $line, $d, @_[2..12]);
+ # 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;
}
-# 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]);
-}
+#
+# send outgoing 'challenge'
+#
-# remote command replies
-sub handle_85
+sub sendinit
{
my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
- $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
+ $self->send(pc18());
}
-# DXSpider routing entries
-sub handle_92
+#
+# This is the normal pcxx despatcher
+#
+sub normal
{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
+ my ($self, $line) = @_;
- $self->{do_pc92} ||= 1;
-}
+ if ($line =~ '^<\w+\s' && $main::do_xml) {
+ DXXml::normal($self, $line);
+ return;
+ }
-# 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!!!!
-#
+ 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;
+ }
-sub handle_default
-{
- my $self = shift;
- my $pcno = shift;
- my $line = shift;
- my $origin = shift;
+ # check for and dump bad protocol messages
+ my $n = check($pcno, @field);
+ if ($n) {
+ dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
+ return;
+ }
+
+ # modify the hop count here
+ if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
+ $trail ||= '';
+ $hops--;
+ return if $hops < 0;
+ $line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
+ }
+
+ # send it out for processing
+ my $origin = $self->{call};
+ no strict 'subs';
+ my $sub = "handle_$pcno";
- if (eph_dup($line)) {
- dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
+ if ($self->can($sub)) {
+ $self->$sub($pcno, $line, $origin, @field);
} else {
- unless ($self->{isolate}) {
- DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
- }
+ $self->handle_default($pcno, $line, $origin, @field);
}
}
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, $main::routeroot);
+ if ($self->{do_pc92}) {
+ $self->send_pc92_config;
} 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
+ my $node;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
- # 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, $main::routeroot, @localnodes);
+ if ($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
- 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;
+ # 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);
}
- $self->send_route($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');
+ # 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 send_pc92_config
+{
+ my $self = shift;
+ my $node;
+
+ dbg('DXProt::send_pc92_config') if isdbg('trace');
+
+ my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all();
+ my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
+ $self->send_route_pc92($main::mycall, \&pc92c, scalar @localnodes, @localnodes);
+}
+
#
# route a message down an appropriate interface for a callsign
#
my $call = $self->{call};
my $hops;
- if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
+ 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;
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;
$mref->stop_msg($call) if $mref;
# broadcast to all other nodes that all the nodes connected to via me are gone
- unless ($pc39flag && $pc39flag == 2) {
+ unless ($pc39flag && $pc39flag == 2) {
$self->route_pc21($main::mycall, undef, @rout) if @rout;
+ $self->route_pc92d($main::mycall, undef, $node);
}
# remove outstanding pings
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 $self->{do_pc92};
+ next if $dxchan->{do_pc92};
next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
$dxchan->send_route($origin, $generate, @_);
}
}
+# this is only used for next door nodes on init
+sub send_route_pc92
+{
+ my $self = shift;
+
+ return unless $self->{do_pc92};
+
+ 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 $dxchan;
-
- unless ($self->{isolate}) {
+
+ if ($origin eq $main::mycall) {
+ $line = &$generate(@_);
+ }
+
+ $line =~ /\^H(\d+)\^$/;
+ unless ($1 > 0 && $self->{isolate}) {
foreach $dxchan (@dxchan) {
next if $dxchan == $self;
next if $dxchan == $main::me;
+ next unless $dxchan->{do_pc92};
next unless $dxchan->isa('DXProt');
- next unless $self->{do_pc92};
-
- $dxchan->send_route($origin, $generate, @_);
+
+ $dxchan->send($line);
}
}
}
--- /dev/null
+#
+#
+# This module impliments the handlers for the protocal mode for a dx cluster
+#
+# Copyright (c) 1998-2006 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
+ );
+
+# 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);
+ }
+}
+
+# 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 config on this node from outside!") if isdbg('chanerr');
+ return;
+ }
+
+ my $h;
+ $h = 1 if DXChannel::get($ncall);
+ RouteDB::update($ncall, $self->{call}, $h);
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
+ return;
+ }
+
+ unless ($h) {
+ dbg("PCPROT: non-local PC16, ignored") if isdbg('chanerr');
+ return;
+ }
+
+ my $parent = Route::Node::get($ncall);
+
+ if ($parent) {
+ $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, $self->{call});
+
+ unless ($ncall eq $self->{call}) {
+ dbg("PCPROT: PC17 from non-local $ncall, ignored") if isdbg('chanerr');
+ return;
+ }
+
+ my $uref = Route::User::get($ucall);
+ unless ($uref) {
+ dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
+ }
+ my $parent = Route::Node::get($ncall);
+ unless ($parent) {
+ dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
+ }
+
+ $dxchan = $parent->dxchan if $parent;
+ if ($dxchan && $dxchan ne $self) {
+ dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
+ return;
+ }
+
+ # input filter if required and then remove user if present
+ if ($parent) {
+# return unless $self->in_filter_route($parent);
+ $parent->del_user($uref) if $uref;
+ } else {
+ $parent = Route->new($ncall); # throw away
+ }
+
+ # 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;
+ }
+
+ $uref = Route->new($ucall) unless $uref; # throw away
+ $self->route_pc17($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/;
+ $self->{do_pc92}++ if $_[1] =~ /\bpc92\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");
+ $self->disconnect;
+ return;
+ }
+
+ # parse the PC19
+ #
+ # We are making a major change from now on. We are only going to accept
+ # PC19s from directly connected nodes. This means that we are probably
+ # going to throw away most of the data that we are being sent.
+ #
+ # The justification for this is that most of it is wrong or out of date
+ # anyway.
+ #
+ # From now on we are only going to believe PC92 data.
+ #
+ for ($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 $user->is_node;
+
+# if (eph_dup($genline)) {
+# dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
+# next;
+# }
+
+ RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef);
+
+ unless ($dxchan) {
+ dbg("PCPROT: PC19 not directly connected, ignored") 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, $r;
+ } else {
+ if ($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;
+ }
+ }
+ }
+
+ # 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;
+ }
+
+ # we are not automatically sending out PC19s, we send out a composite PC21,PC19 instead
+ # but remember there will only be one (pair) these because any extras will be
+ # thrown away.
+ if (@rout) {
+ $self->route_pc21($self->{call}, $line, @rout);
+ $self->route_pc19($self->{call}, $line, @rout);
+ $self->route_pc92a($main::mycall, $line, @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
+#
+# This should never occur for directly connected nodes.
+#
+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 ignore it
+ if ($call eq $self->call) {
+ dbg("PCPROT: self referencing PC21 from $self->{call}");
+ return;
+ }
+
+ RouteDB::delete($call, $self->{call});
+
+ my $parent = Route::Node::get($self->{call});
+ unless ($parent) {
+ dbg("PCPROT: my parent $self->{call} has disappeared");
+ $self->disconnect;
+ return;
+ }
+
+ my @rout;
+
+ if ($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, force a PC21 if it is local
+ push @rout, $node->del($parent);
+ push @rout, $call if $dxchan && @rout == 0;
+ }
+ } else {
+ dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
+ return;
+ }
+
+ if (@rout) {
+ $self->route_pc21($origin, $line, @rout);
+ $self->route_pc92d($main::mycall, $line, @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) {
+ $user->name($_[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]);
+}
+
+# decode a pc92 call: flag call : version : build
+sub _decode_pc92_call
+{
+ my $icall = shift;
+ my @part = split /:/, $icall;
+ my ($flag, $call) = unpack "A A*", $part[0];
+ return () unless $flag && $flag ge '0' && $flag le '7';
+ return () unless $call && is_callsign($call);
+ my $is_node = $flag & 4;
+ my $is_extnode = $flag & 2;
+ my $here = $flag & 1;
+ return ($call, $is_node, $is_extnode, $here, $part[1], $part[2]);
+}
+
+# decode a pc92 call: flag call : version : build
+sub _encode_pc92_call
+{
+ my $ref = shift;
+ my $ext = shift;
+ my $flag = 0;
+ my $call = $ref->call;
+ my $extra = '';
+ $flag |= $ref->here ? 1 : 0;
+ if ($ext && ($ref->isa('Route::Node') || $ref->isa('DXProt'))) {
+ $flag |= 4;
+# if ($ref->version || $ref->build) {
+ if ($ref->version) {
+ my $version = $ref->version || 1.0;
+ $version = $version * 100 + 5300;
+ $extra .= ":" . $version;
+# $extra .= (":" . ($ref->build ? $ref->build : '')) if $ref->build;
+ }
+ }
+ return "$flag$call$extra";
+}
+
+# DXSpider routing entries
+sub handle_92
+{
+ my $self = shift;
+ my $pcno = shift;
+ my $line = shift;
+ my $origin = shift;
+
+ $self->{do_pc92} ||= 1;
+
+ my ($ncall, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_[1]);
+ unless ($ncall) {
+ dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
+ return;
+ }
+ my $t = $_[2];
+ my $sort = $_[3];
+
+ if ($ncall eq $main::mycall) {
+ dbg("PCPROT: looped back, ignored") if isdbg('chanerr');
+ return;
+ }
+
+ my $nref = Route::Node::get($ncall);
+ if ($nref) {
+ my $lastid = $nref->lastid->{92} || 0;
+ if ($lastid > $t) {
+ dbg("PCPROT: dup / old id <= $lastid, ignored") if isdbg('chanerr');
+ return;
+ }
+ $nref->flags = Route::flags($here);
+ } else {
+ $nref = Route::Node->new($ncall, $version, Route::here($here));
+ }
+ $nref->lastid->{92} = $t;
+
+ if ($sort eq 'A') {
+
+ } elsif ($sort eq 'D') {
+
+ } elsif ($sort eq 'C') {
+
+ } else {
+ dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr');
+ }
+}
+
+# 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
+ }
+ }
+}