From ed6790555f077eb521b8805113155a2ff99cc47e Mon Sep 17 00:00:00 2001 From: minima Date: Sun, 17 Dec 2006 21:03:34 +0000 Subject: [PATCH] restyles PC92 --- perl/DXCommandmode.pm | 6 +- perl/DXProt.pm | 1633 ++++++----------------------------------- perl/DXProtHandle.pm | 1339 +++++++++++++++++++++++++++++++++ perl/DXProtout.pm | 25 +- perl/Route/Node.pm | 1 + perl/cluster.pl | 2 +- 6 files changed, 1585 insertions(+), 1421 deletions(-) create mode 100644 perl/DXProtHandle.pm diff --git a/perl/DXCommandmode.pm b/perl/DXCommandmode.pm index 9ce79d22..6d5225bc 100644 --- a/perl/DXCommandmode.pm +++ b/perl/DXCommandmode.pm @@ -75,7 +75,10 @@ sub new # ALWAYS output the user my $ref = Route::User::get($call); - $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref) if $ref; + if ($ref) { + $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref); + $main::me->route_pc92a($main::mycall, undef, $ref); + } return $self; } @@ -577,6 +580,7 @@ sub disconnect # issue a pc17 to everybody interested $main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref); + $main::me->route_pc92d($main::mycall, undef, $uref); } else { confess "trying to disconnect a non existant user $call"; } diff --git a/perl/DXProt.pm b/perl/DXProt.pm index 30f03b7e..1094578e 100644 --- a/perl/DXProt.pm +++ b/perl/DXProt.pm @@ -34,7 +34,7 @@ use Route::Node; use Script; use Investigate; use RouteDB; - +use DXProtHandle; use strict; @@ -198,1390 +198,184 @@ sub check 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+ / && $_[4] eq '*') { - dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr'); - return; - } - - # here's a bit of fun, convert incoming ann with a callsign in the first word - # or one saying 'to ' to a talk if we can route to the recipient - if ($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); } } @@ -1917,52 +711,69 @@ sub chat 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 # @@ -2041,7 +852,7 @@ sub adjust_hops 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; @@ -2052,11 +863,6 @@ sub adjust_hops 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; @@ -2204,8 +1010,9 @@ sub disconnect $mref->stop_msg($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 @@ -2290,13 +1097,17 @@ sub broadcast_route 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, @_); @@ -2304,23 +1115,45 @@ sub broadcast_route } } +# 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); } } } diff --git a/perl/DXProtHandle.pm b/perl/DXProtHandle.pm new file mode 100644 index 00000000..e028aa40 --- /dev/null +++ b/perl/DXProtHandle.pm @@ -0,0 +1,1339 @@ +# +# +# 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+ / && $_[4] eq '*') { + dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr'); + return; + } + + # here's a bit of fun, convert incoming ann with a callsign in the first word + # or one saying 'to ' to a talk if we can route to the recipient + if ($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 + } + } +} diff --git a/perl/DXProtout.pm b/perl/DXProtout.pm index 856a60bb..72595d8a 100644 --- a/perl/DXProtout.pm +++ b/perl/DXProtout.pm @@ -123,7 +123,7 @@ sub pc17 # Request init string sub pc18 { - my $flags = " pc"; + my $flags = " pc92"; $flags .= " xml" if DXXml::available(); return "PC18^DXSpider Version: $main::version Build: $main::build$flags^$DXProt::myprot_version^"; } @@ -388,32 +388,19 @@ sub _gen_time return $_last_time; } else { $_last_occurs++; - return "$_last_time:$_last_occurs"; + return sprintf "$_last_time.%02d", $_last_occurs; } } sub _gen_pc92 { my $sort = shift; - my $s = "PC92^$sort^" . _gen_time; + my $ext = $sort eq 'C'; + my $s = "PC92^" . _encode_pc92_call($main::me, $ext) . "^" . _gen_time . "^$sort"; for (@_) { - my $flag = 0; - my $call = $_->call; - my $extra = ''; - if ($_->isa('Route::Node')) { - $flag = 4; - if ($call ne $main::mycall && DXChannel::get($call)) { - $flag += 2; - } - if ($sort eq 'C') { - $extra .= ':' . ($_->version || '') if $_->build; - $extra .= ':' . $_->build if $_->build; - } - } - $flag += $_->here ? 1 : 0; - $s .= "^$flag$call$extra"; + $s .= "^" . _encode_pc92_call($_, $ext); } - return $s . '^H99'; + return $s . '^H99^'; } # add a local one diff --git a/perl/Route/Node.pm b/perl/Route/Node.pm index d3b1e955..b6667849 100644 --- a/perl/Route/Node.pm +++ b/perl/Route/Node.pm @@ -225,6 +225,7 @@ sub new $self->{flags} = shift; $self->{users} = []; $self->{nodes} = []; + $self->{lastid} = {}; $list{$call} = $self; diff --git a/perl/cluster.pl b/perl/cluster.pl index 8aade278..0fc478ea 100755 --- a/perl/cluster.pl +++ b/perl/cluster.pl @@ -121,7 +121,7 @@ use vars qw(@inqueue $systime $version $starttime $lockfn @outstanding_connects @inqueue = (); # the main input queue, an array of hashes $systime = 0; # the time now (in seconds) -$version = "1.52"; # the version no of the software +$version = "1.53"; # the version no of the software $starttime = 0; # the starting time of the cluster #@outstanding_connects = (); # list of outstanding connects @listeners = (); # list of listeners -- 2.34.1