1 ### 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 RouteDB;use strict;use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime $last_hour $last10 %eph %pings %rcmds $ann_to_talk $pingint $obscount %pc19list $chatdupeage $chatimportfn $investigation_int $pc19_version $myprot_version %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck $allowzero $decode_dk0wcy $send_opernam @checklist $eph_pc15_restime $pc9x_past_age $pc9x_future_age );$pc9x_past_age = 15*60; # maximum age in the past of a px9x$pc9x_future_age = 5*60; # maximum age in the future ditto# incoming talk commandssub 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]); # convert this to a PC93 and process it as such $self->normal(pc93($to, $from, $via, $_[3], $_[6])); return; # this is all redundant but kept for now for reference # 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 handlingsub 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;}# announcessub 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(0, $line, @_[1..6]); } elsif ($_[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(0, $line, @_[1..6]); } else { $self->route($_[2], $line); }}sub handle_15{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; if (eph_dup($line, $eph_pc15_restime)) { dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr'); } else { unless ($self->{isolate}) { DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me } }}# incoming usersub 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}, $h); if ($h && $self->{call} ne $ncall) { dbg("PCPROT: trying to update a local node, ignored") if isdbg('chanerr'); return; } if (eph_dup($line)) { dbg("PCPROT: dup PC16 detected") 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); } else { $parent = Route::Node->new($ncall); } unless ($h) { if ($parent->via_pc92) { dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr'); return; } } 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 $h && $au; } else { my @ans = $parent->add_user($call, $flags); push @rout, @ans if $h && @ans; } # 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; } if (@rout) { $self->route_pc16($origin, $line, $parent, @rout) if @rout;# $self->route_pc92a($main::mycall, undef, $parent, @rout) if $h && $self->{state} eq 'normal'; }}# remove a usersub 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}); my $uref = Route::User::get($ucall); unless ($uref) { dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr'); return; } my $parent = Route::Node::get($ncall); unless ($parent) { dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr'); return; } $dxchan = DXChannel::get($ncall); if ($dxchan && $dxchan ne $self) { dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr'); return; } unless ($dxchan) { if ($parent->via_pc92) { dbg("PCPROT: non-local node controlled by PC92, ignored") if isdbg('chanerr'); return; } } if (DXChannel::get($ucall)) { dbg("PCPROT: trying do disconnect local user, ignored") if isdbg('chanerr'); return; } # input filter if required and then remove user if present# return unless $self->in_filter_route($parent); $parent->del_user($uref); # send info to all logged in thingies $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node; $self->tell_buddies('logoutb', $ucall, $ncall); if (eph_dup($line)) { dbg("PCPROT: dup PC17 detected") if isdbg('chanerr'); return; } $self->route_pc17($origin, $line, $parent, $uref);# $self->route_pc92d($main::mycall, undef, $parent, $uref) if $dxchan;}# link requestsub 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() && $_[1] =~ /\bxml/; if ($_[1] =~ /\bpc9x/) { $self->{do_pc9x} = 1; dbg("Do px9x set on $self->{call}"); } } 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());}sub check_add_node{ my $call = shift; # 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; return $user;}# incoming cluster listsub handle_19{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; my $i; my $newline = "PC19^"; # new routing list my (@rout, @pc92out); # 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; } my $h; # parse the PC19 # # We are making a major change from now on. We are only going to accept # PC19s from directly connected nodes. This means that we are probably # going to throw away most of the data that we are being sent. # # The justification for this is that most of it is wrong or out of date # anyway. # # From now on we are only going to believe PC92 data and locally connected # non-pc92 nodes. # for ($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 $h = 0; my $dxchan = DXChannel::get($call); if ($dxchan) { if ($dxchan == $self) { $h = 1; } else { dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr'); next; } } my $user = check_add_node($call);# if (eph_dup($genline)) {# dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');# next;# } RouteDB::update($call, $self->{call}, $dxchan ? 1 : undef); unless ($h) { if ($parent->via_pc92) { dbg("PCPROT: non-local node controlled by PC92, 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; push @pc92out, $r if $h; } 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); } if (@pc92out) { $self->route_pc92a($main::mycall, $line, $main::routeroot, @pc92out) if $self->{state} eq 'normal'; }}sub send_delayed_pc92{ my $self = shift; # send out new PC92 config to everyone else my $line = gen_my_pc92_config($main::me); $self->broadcast_route_pc9x($main::mycall, undef, $line, 0); # if this is an external node then send out the external config unless ($self->{do_pc9x}) { $line = gen_my_pc92_config(Route::Node::get($self->{call})); $self->broadcast_route_pc9x($main::mycall, undef, $line, 0); }}# send local configurationsub handle_20{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; if ($self->{do_pc9x} && $self->{state} ne 'init92') { dbg("PCPROT: disconnecting because login call not sent in any pc92") if isdbg('chanerr'); $self->send("**** You logged in with $self->{call} but that is NOT your \$mycall"); $self->disconnect; return; } $self->send_local_config(); $self->send(pc22()); $self->state('normal'); $self->{lastping} = 0; $self->send_delayed_pc92;}# 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 ($node) { if ($node->via_pc92) { dbg("PCPROT: controlled by PC92, ignored") if isdbg('chanerr'); return; } 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 $dxchan && @rout == 0; } } else { dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr'); return; } if (eph_dup($line)) { dbg("PCPROT: dup PC21 detected") if isdbg('chanerr'); return; } if (@rout) { $self->route_pc21($origin, $line, @rout);# $self->route_pc92d($main::mycall, $line, $main::routeroot, @rout); }}sub handle_22{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; if ($self->{do_pc9x}) { if ($self->{state} ne 'init92') { dbg("PCPROT: disconnecting because login call not sent in any pc92") if isdbg('chanerr'); $self->send("**** You logged in with $self->{call} but that is NOT your \$mycall"); $self->disconnect; return; } } $self->{lastping} = 0; $self->state('normal'); $self->send_delayed_pc92;}# WWV infosub 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 statussub 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 requestsub 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 handlingsub 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 repliessub 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 stuffsub 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 neighboursub handle_38{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift;}# incoming disconnectsub 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 infosub handle_41{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; my $call = $_[1]; my $sort = $_[2]; my $val = $_[3]; my $l = "PC41^$call^$sort"; if (eph_dup($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 ($val eq $sort || $val =~ /^\s*$/) { 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 $user; if ($sort == 1) { if (($val =~ /spotter/i || $val =~ /self/i) && $user->name && $user->name ne $val) { dbg("PCPROT: invalid name") if isdbg('chanerr'); if ($main::mycall eq 'GB7DJK' || $main::mycall eq 'GB7BAA' || $main::mycall eq 'WR3D') { DXChannel::broadcast_nodes(pc41($_[1], 1, $user->name)); # send it to everyone including me } return; } $user->name($val); } elsif ($sort == 2) { $user->qth($val); } elsif ($sort == 3) { if (is_latlong($val)) { my ($lat, $long) = DXBearing::stoll($val); $user->lat($lat) if $lat; $user->long($long) if $long; $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra; } else { dbg('PCPROT: not a valid lat/long') if isdbg('chanerr'); return; } } elsif ($sort == 4) { $user->homenode($val); } elsif ($sort == 5) { if (is_qra(uc $val)) { my ($lat, $long) = DXBearing::qratoll(uc $val); $user->lat($lat) if $lat && !$user->lat; $user->long($long) if $long && !$user->long; $user->qra(uc $val); } 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, $sort, $val, $_[4]);}sub handle_42 {goto &handle_28}# databasesub 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 databasesub 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 listsub 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/answerssub 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 itsub 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 broadcastssub 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 repliessub 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 : buildsub _decode_pc92_call{ my $icall = shift; my @part = split /:/, $icall; my ($flag, $call) = unpack "A A*", $part[0]; return () unless defined $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 : buildsub _encode_pc92_call{ my $ref = shift; # plain call or value return $ref unless ref $ref; my $ext = shift; my $flag = 0; my $call = $ref->call; my $extra = ''; $flag |= $ref->here ? 1 : 0; if ($ref->isa('Route::Node') || $ref->isa('DXProt')) { $flag |= 4; my $dxchan = DXChannel::get($call); $flag |= 2 if $call ne $main::mycall && $dxchan && !$dxchan->{do_pc9x}; if ($ext) { if ($ref->version) { my $version = $ref->version || 1.0; $version = $version * 100 + 5300 if $version < 50; $extra .= ":" . $version; } } } return "$flag$call$extra";}sub _add_thingy{ my $parent = shift; my $s = shift; my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s; my @rout; if ($call) { if ($is_node) { dbg("ROUTE: added node $call to " . $parent->call) if isdbg('routelow'); @rout = $parent->add($call, $version, Route::here($here)); } else { dbg("ROUTE: added user $call to " . $parent->call) if isdbg('routelow'); @rout = $parent->add_user($call, Route::here($here)); } } return @rout;}sub _del_thingy{ my $parent = shift; my $s = shift; my ($call, $is_node, $is_extnode, $here, $version, $build) = @$s; my @rout; if ($call) { if ($is_node) { my $nref = Route::Node::get($call); dbg("ROUTE: deleting node $call from " . $parent->call) if isdbg('routelow'); @rout = $nref->del($parent) if $nref; } else { my $uref = Route::User::get($call); dbg("ROUTE: deleting user $call from " . $parent->call) if isdbg('routelow'); @rout = $parent->del_user($uref) if $uref; } } return @rout;}my $_last_time;my $_last_occurs;sub gen_pc9x_t{ if (!$_last_time || $_last_time != $main::systime) { $_last_time = $main::systime; $_last_occurs = 0; return $_last_time - $main::systime_daystart; } else { $_last_occurs++; return sprintf "%d.%02d", $_last_time - $main::systime_daystart, $_last_occurs; }}sub check_pc9x_t{ my $call = shift; my $t = shift; my $pc = shift; my $create = shift; my $parent = ref $call ? $call : Route::Node::get($call); if ($parent) { # we only do this for external calls whose routing table # record come and go. The reference for mycall is permanent # and not that frequently used, it also never times out, so # the id on it is completely unreliable. Besides, only commands # originating on this box will go through this code... if ($parent->call ne $main::mycall) { my $lastid = $parent->lastid->{$pc} || 0; if ($t < $lastid) { if (my $d = $lastid-86400+$t > $pc9x_past_age) { dbg("PCPROT: $call id $t <= $lastid, ignored") if isdbg('chanerr'); return; } } if ($lastid == $t) { dbg("PCPROT: dup id on $call = $lastid, ignored") if isdbg('chanerr'); return; } } } elsif ($create) { $parent = Route::Node->new($call); } $parent->lastid->{$pc} = $t; return $parent;}# DXSpider routing entriessub handle_92{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift; my (@radd, @rdel); my $pcall = $_[1]; unless ($pcall) { dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr'); return; } my $t = $_[2]; my $sort = $_[3]; if ($pcall eq $main::mycall) { dbg("PCPROT: looped back, ignored") if isdbg('chanerr'); return; } if ($pcall eq $self->{call} && $self->{state} eq 'init') { $self->state('init92'); $self->{do_pc9x} = 1; dbg("Do pc9x set on $pcall"); } unless ($self->{do_pc9x}) { dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr'); return; } my $parent = check_pc9x_t($pcall, $t, 92, 1) || return; my $oparent = $parent; $parent->do_pc9x(1); $parent->via_pc92(1); if ($sort eq 'F' || $sort eq 'R') { # this is the route finding section # here is where the consequences of the 'find' command # are dealt with my $from = $_[4]; my $target = $_[5]; if ($sort eq 'F') { my $flag; my $ref; my $dxchan; if ($ref = DXChannel::get($target)) { $flag = 1; # we are directly connected } else { $ref = Route::get($target); $dxchan = $ref->dxchan; $flag = 2; } if ($ref && $flag && $dxchan) { $self->send(pc92r($from, $target, $flag, int($dxchan->{pingave}*1000))); return; } } elsif ($sort eq 'R') { if (my $dxchan = DXChannel::get($from)) { handle_pc92_find_reply($dxchan, $pcall, $from, $target, @_[6,7]); } else { my $ref = Route::get($from); if ($ref) { my @dxchan = grep {$_->do_pc9x} $ref->alldxchan; if (@dxchan) { $_->send($line) for @dxchan; } else { dbg("PCPROT: no return route, ignored") if isdbg('chanerr') } } else { dbg("PCPROT: no return route, ignored") if isdbg('chanerr') } } return; } } elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') { # this is the main route section # here is where all the routes are created and destroyed my @ent = map {[ _decode_pc92_call($_) ]} grep {$_ && /^[0-7]/} @_[4 .. $#_]; if (@ent) { # look at the first one which will always be a node of some sort # and update any information that needs to be done. my ($call, $is_node, $is_extnode, $here, $version, $build) = @{$ent[0]}; if ($call && $is_node) { if ($call eq $main::mycall) { dbg("PCPROT: looped back on node entry, ignored") if isdbg('chanerr'); return; } if ($is_extnode) { # this is only accepted from my "self" if (DXChannel::get($call) && $call ne $self->{call}) { dbg("PCPROT: locally connected node config for $call from other another node $self->{call}, ignored") if isdbg('chanerr'); return; } # reparent to external node (note that we must have received a 'C' or 'A' record # from the true parent node for this external before we get one for the this node unless ($parent = Route::Node::get($call)) { dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr'); return; } $parent = check_pc9x_t($call, $t, 92) || return; $parent->via_pc92(1); } } else { dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr'); return; } $parent->here(Route::here($here)); $parent->version($version) if $version && $version > $parent->version; $parent->build($build) if $build && $build > $parent->build; shift @ent; } # do a pass through removing any references to either locally connected nodes or mycall my @nent; for (@ent) { next unless $_; if ($_->[0] eq $main::mycall || DXChannel::get($_->[0])) { dbg("PCPROT: $_->[0] refers to locally connected node, ignored") if isdbg('chanerr'); next; } push @nent, $_; } if ($sort eq 'A') { for (@nent) { push @radd, _add_thingy($parent, $_); } } elsif ($sort eq 'D') { for (@nent) { push @rdel, _del_thingy($parent, $_); } } elsif ($sort eq 'C') { my (@nodes, @users); # we only reset obscounts on config records $oparent->reset_obs; dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('route'); if ($oparent != $parent) { $parent->reset_obs; dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('route'); } # foreach my $r (@nent) { # my ($call, $is_node, $is_extnode, $here, $version, $build) = _decode_pc92_call($_); if ($r->[0]) { if ($r->[1]) { push @nodes, $r->[0]; } else { push @users, $r->[0]; } } else { dbg("DXPROT: pc92 call entry '$_' not decoded, ignored") if isdbg('chanerr'); } } my ($dnodes, $dusers, $nnodes, $nusers) = $parent->calc_config_changes(\@nodes, \@users); # add users here foreach my $r (@nent) { my $call = $r->[0]; if ($call) { push @radd,_add_thingy($parent, $r) if grep $call eq $_, (@$nnodes, @$nusers); } } # del users here foreach my $r (@$dnodes) { push @rdel,_del_thingy($parent, [$r, 1]); } foreach my $r (@$dusers) { push @rdel,_del_thingy($parent, [$r, 0]); } } else { dbg("PCPROT: unknown action '$sort', ignored") if isdbg('chanerr'); return; } foreach my $r (@rdel) { next unless $r; $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node'); $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User'); } my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd; my @pc16 = grep { $_ && $_->isa('Route::User') } @radd; unshift @pc19, $parent if $self->{state} eq 'init92' && $oparent == $parent; $self->route_pc19($pcall, undef, @pc19) if @pc19; $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16; } # broadcast it if we get here $self->broadcast_route_pc9x($pcall, undef, $line, 0);}sub handle_93{ my $self = shift; my $pcno = shift; my $line = shift; my $origin = shift;# $self->{do_pc9x} ||= 1; my $pcall = $_[1]; unless (is_callsign($pcall)) { dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr'); return; } my $t = $_[2]; my $parent = check_pc9x_t($pcall, $t, 93, 1) || return; my $to = $_[3]; my $from = $_[4]; my $via = $_[5]; my $text = $_[6]; my $onode = $_[7]; $onode = $pcall if @_ <= 8; # will we allow it at all? if ($censorpc) { my @bad; if (@bad = BadWords::check($text)) { dbg("PCPROT: Bad words: @bad, 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 (is_callsign($to)) { # local talks my $dxchan; $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall; $dxchan = DXChannel::get($to) unless $dxchan; if ($dxchan && $dxchan->is_user) { $dxchan->talk($from, $to, $via, $text, $onode); return; } # convert to PC10 talks where appropriate my $ref = Route::get($to); if ($ref) { my @dxchan = $ref->alldxchan; for $dxchan (@dxchan) { if ($dxchan->{do_pc9x}) { $dxchan->send($line); } else { $dxchan->talk($from, $to, $via, $text, $onode); } } return; } # otherwise, drop through and allow it to be broadcast } elsif ($to eq '*' || uc $to eq 'SYSOP' || uc $to eq 'WX') { # announces my $sysop = uc $to eq 'SYSOP' ? '*' : ' '; my $wx = uc $to eq 'WX' ? '1' : '0'; my $local = $via eq 'LOCAL' ? '*' : $via; $self->send_announce(1, pc12($from, $text, $local, $via, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef); return if $via eq 'LOCAL'; } else { # chat messages to non-pc9x nodes $self->send_chat(1, pc12($from, $text, undef, $to, undef, $pcall), $from, '*', $text, $to, $pcall, '0'); } $self->broadcast_route_pc9x($pcall, undef, $line, 0);}# 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 { if ($pcno >= 90) { my $pcall = $_[1]; unless (is_callsign($pcall)) { dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr'); return; } my $t = $_[2]; my $parent = check_pc9x_t($pcall, $t, $pcno, 1) || return; $self->broadcast_route_pc9x($pcall, undef, $line, 0); } else { unless ($self->{isolate}) { DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me } } }}1;
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