- 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;