use DXChannel;
use DXUser;
use DXM;
-use DXCluster;
+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 Time::HiRes qw(gettimeofday tv_interval);
+use BadWords;
+use DXHash;
+use Route;
+use Route::Node;
+use Script;
+use Investigate;
+use DXProtHandler;
+
+use strict;
+
+use vars qw($VERSION $BRANCH);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /:\s+(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", (q$Revision$ =~ /:\s+\d+\.\d+\.(\d+)\.(\d+)/) || (0,0));
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+use vars qw($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 $pc19_version
+ $pingint $obscount %pc19list $chatdupeage $investigation_int
+ %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
+ $allowzero $decode_dk0wcy $send_opernam @checklist);
+
+$pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
+$pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
+
+$last_hour = time; # last time I did an hourly periodic update
+%pings = (); # outstanding ping requests outbound
+%rcmds = (); # outstanding rcmd requests outbound
+%nodehops = (); # node specific hop control
+%pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
+
+$censorpc = 1; # Do a BadWords::check on text fields and reject things
+ # loads of 'bad things'
+$baddx = new DXHash "baddx";
+$badspotter = new DXHash "badspotter";
+$badnode = new DXHash "badnode";
+$last10 = $last_pc50 = time;
+$ann_to_talk = 1;
+$rspfcheck = 1;
+$eph_restime = 180;
+$eph_info_restime = 60*60;
+$eph_pc34_restime = 30;
+$pingint = 5*60;
+$obscount = 2;
+$chatdupeage = 20 * 60 * 60;
+$investigation_int = 7*86400; # time between checks to see if we can see this node
+$pc19_version = 5466; # the visible version no for outgoing PC19s generated from pc59
+
+
+@checklist =
+(
+ [ qw(i c c m bp bc c) ], # pc10
+ [ qw(i f m d t m c c h) ], # pc11
+ [ qw(i c bm m bm bm p h) ], # pc12
+ [ qw(i c h) ], #
+ [ qw(i c h) ], #
+ [ qw(i c m h) ], #
+ undef , # pc16 has to be validated manually
+ [ qw(i c c h) ], # pc17
+ [ qw(i m n) ], # pc18
+ undef , # pc19 has to be validated manually
+ undef , # pc20 no validation
+ [ qw(i c m h) ], # pc21
+ undef , # pc22 no validation
+ [ qw(i d n n n n m c c h) ], # pc23
+ [ qw(i c p h) ], # pc24
+ [ qw(i c c n n) ], # pc25
+ [ qw(i f m d t m c c bc) ], # pc26
+ [ qw(i d n n n n m c c bc) ], # pc27
+ [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
+ [ qw(i c c n m) ], # pc29
+ [ qw(i c c n) ], # pc30
+ [ qw(i c c n) ], # pc31
+ [ qw(i c c n) ], # pc32
+ [ qw(i c c n) ], # pc33
+ [ qw(i c c m) ], # pc34
+ [ qw(i c c m) ], # pc35
+ [ qw(i c c m) ], # pc36
+ [ qw(i c c n m) ], # pc37
+ undef, # pc38 not interested
+ [ qw(i c m) ], # pc39
+ [ qw(i c c m p n) ], # pc40
+ [ qw(i c n m h) ], # pc41
+ [ qw(i c c n) ], # pc42
+ undef, # pc43 don't handle it
+ [ qw(i c c n m m c) ], # pc44
+ [ qw(i c c n m) ], # pc45
+ [ qw(i c c n) ], # pc46
+ undef, # pc47
+ undef, # pc48
+ [ qw(i c m h) ], # pc49
+ [ qw(i c n h) ], # pc50
+ [ qw(i c c n) ], # pc51
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef, # pc60
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef, # pc70
+ undef,
+ undef,
+ [ qw(i d n n n n n n m m m c c h) ], # pc73
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef,
+ undef, # pc80
+ undef,
+ undef,
+ undef,
+ [ qw(i c c c m) ], # pc84
+ [ qw(i c c c m) ], # pc85
+ undef,
+ undef,
+ undef,
+ undef,
+ [ qw(i c n) ], # pc90
+);
+
+# use the entry in the check list to check the field list presented
+# return OK if line NOT in check list (for now)
+sub check
+{
+ my $n = shift;
+ $n -= 10;
+ return 0 if $n < 0 || $n > @checklist;
+ my $ref = $checklist[$n];
+ return 0 unless ref $ref;
+
+ my $i;
+ for ($i = 1; $i < @$ref; $i++) {
+ my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
+ return 0 unless $act;
+ next if $blank && $_[$i] =~ /^[ \*]$/;
+ if ($act eq 'c') {
+ return $i unless is_callsign($_[$i]);
+ } elsif ($act eq 'i') {
+ ; # do nothing
+ } elsif ($act eq 'm') {
+ return $i unless is_pctext($_[$i]);
+ } elsif ($act eq 'p') {
+ return $i unless is_pcflag($_[$i]);
+ } elsif ($act eq 'f') {
+ return $i unless is_freq($_[$i]);
+ } elsif ($act eq 'n') {
+ return $i unless $_[$i] =~ /^[\d ]+$/;
+ } elsif ($act eq 'h') {
+ return $i unless $_[$i] =~ /^H\d\d?$/;
+ } elsif ($act eq 'd') {
+ return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
+ } elsif ($act eq 't') {
+ 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);
+ $DXProt::myprot_version += $main::version*100;
+ $main::me = DXProt->SUPER::alloc($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;
+
+ my $uref = Route::Node::get($call) || Route::Node->new($call);
+ $uref->here(1);
+ $uref->conf(0);
+ $uref->version($pc19_version);
+ $main::routeroot->link_node($uref, $self);
+ 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 = shift;
- my $call = $self->call;
-
- # do we have him connected on the cluster somewhere else?
- if (DXCluster->get
- $self->pc38();
- $self->pc18();
- $self->{state} = 'incoming';
+ my ($self, $line, $sort) = @_;
+ my $call = $self->{call};
+ my $user = $self->{user};
+
+ # log it
+ my $host = $self->{conn}->{peerhost} || "unknown";
+ Log('DXProt', "$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());
+}
+
+sub removepc90
+{
+ $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
+ $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
+}
+
+#sub send
+#{
+# my $self = shift;
+# while (@_) {
+# my $line = shift;
+# $self->SUPER::send($line);
+# }
+#}
+
#
# This is the normal pcxx despatcher
#
sub normal
{
+ my ($self, $line) = @_;
+
+ # remove any incoming PC90 frames
+ removepc90($line);
+
+ 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);
+ }
}
+
#
# This is called from inside the main cluster processing loop and is used
# for despatching commands that are doing some long processing job
#
+# It is called once per second
+#
sub process
{
+ my $t = time;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $pc50s;
+
+ # send out a pc50 on EVERY channel all at once
+ if ($t >= $last_pc50 + $DXProt::pc50_interval) {
+ $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
+ eph_dup($pc50s);
+ $last_pc50 = $t;
+ }
+
+ foreach $dxchan (@dxchan) {
+ next unless $dxchan->is_node();
+ next if $dxchan == $main::me;
+
+ # send the pc50
+ $dxchan->send($pc50s) if $pc50s;
+
+ # send a ping out on this channel
+ if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
+ if ($dxchan->{nopings} <= 0) {
+ $dxchan->disconnect;
+ } else {
+ addping($main::mycall, $dxchan->call);
+ $dxchan->{nopings} -= 1;
+ $dxchan->{lastping} = $t;
+ }
+ }
+ }
+
+ Investigate::process();
+
+ # every ten seconds
+ if ($t - $last10 >= 10) {
+ # clean out ephemera
+ eph_clean();
+
+ $last10 = $t;
+ }
+
+ if ($main::systime - 3600 > $last_hour) {
+ $last_hour = $main::systime;
+ }
}
#
-# finish up a pc context
+# This the routine that does all routing table updates
+# It determines which nodes have been created or
+# deleted.
+#
+# legacy protocol calls this routine after transforming
+# the arguments to be compatible, viz: some scalar
+# parameters and a bunch of routing objects.
+#
+# A list of 4 references to (any) adds/deletes that
+# have occured is returned to allow generation of
+# PC1[679] and PC21
#
-sub finish
+
+sub process_pc59
{
+ my $self = shift;
+ my $pcno = shift;
+ my $sort = shift;
+ my $hexstamp = shift || hexstamp();
+ my $node = shift;
+ my $enode = shift;
+ my $line = shift;
+
+ my $ncall = $node->call;
+ my $origin = $enode->call;
+
+ # if it is a delete, disconnect all the entries mentioned
+ # from this node (which is a parent in this context).
+ my @delnode;
+ my @deluser;
+ if ($sort eq 'D') {
+ for my $ref (@_) {
+ next if $ref->call eq $ncall;
+ next if $ref->call eq $main::mycall;
+ if ($ref->isa('Route::Node')) {
+ push @delnode, $enode->unlink_node($ref, $self);
+ } elsif ($ref->isa('Route::User')) {
+ push @deluser, $enode->del_user($ref);
+ }
+ }
+ }
+
+ # if it is an add, connect all the entries
+ my @addnode;
+ my @adduser;
+ if ($sort eq 'A') {
+ for my $ref (@_) {
+ next if $ref->call eq $ncall;
+ next if $ref->call eq $main::mycall;
+ if ($ref->isa('Route::Node')) {
+ my $new = $enode->link_node($ref, $self);
+ push @addnode, $new if $new;
+ } elsif ($ref->isa('Route::User')) {
+ push @adduser, $enode->add_user($ref);
+ }
+ }
+ }
+
+ # if it is a configure, unlink all the nodes and users that
+ # are not in @_ but are in the node, then add all the
+ # nodes and users that are @_ but not in the node.
+ #
+ if ($sort eq 'C') {
+ my @dn;
+ my @du;
+ my @an;
+ my @au;
+ for my $r (map {Route::Node::get($_)} $node->nodes) {
+ next unless $r;
+ next if $r->call eq $ncall;
+ next if $r->call eq $main::mycall;
+ push @dn, $r unless grep $_->call eq $r->call, @_;
+ }
+ for my $r (map {Route::User::get($_)} $node->users) {
+ next unless $r;
+ push @du, $r unless grep $_->call eq $r->call, @_;
+ }
+ for my $r (@_) {
+ next unless $r;
+ next if $r->call eq $ncall;
+ next if $r->call eq $main::mycall;
+ if ($r->isa('Route::Node')) {
+ push @an, $r unless grep $r->call eq $_, $node->nodes;
+ } elsif ($r->isa('Route::User')) {
+ push @au, $r unless grep $r->call eq $_, $node->users;
+ }
+ }
+ push @addnode, $node if $self->{state} =~ /^init/;
+ push @delnode, $enode->remove_route($_, $self) for @dn;
+ push @deluser, $enode->del_user($_) for @du;
+ push @addnode, $enode->add_route($_, $self) for @an;
+ push @adduser, $enode->add_user($_) for @au;
+ }
+
+ $self->route_pc21($origin, $line, @delnode) if @delnode;
+ $self->route_pc19($origin, $line, @addnode) if @addnode;
+ $self->route_pc17($origin, $line, $enode, @deluser) if @deluser;
+ $self->route_pc16($origin, $line, $enode, @adduser) if @adduser;
+
+ unshift @_, $enode if $ncall ne $origin;
+ $self->route_pc59($origin, $line, $sort, $hexstamp, $origin, @_) if @_;
+ $_->delete for @deluser;
+ $_->delete for @delnode;
}
-
+
#
-# All the various PC routines
+# some active measures
#
+
+sub send_dx_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
+ }
+}
+
+sub dx_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{spotsfilter}) {
+ ($filter, $hops) = $self->{spotsfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line);
+}
+
+sub send_prot_line
+{
+ my ($self, $filter, $hops, $isolate, $line) = @_;
+ my $routeit;
+
+
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($self, $line); # adjust its hop count by node name
+ return unless $routeit;
+ }
+ if ($filter) {
+ $self->send($routeit);
+ } else {
+ $self->send($routeit) unless $self->{isolate} || $isolate;
+ }
+}
+
+
+sub send_wwv_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ my $routeit;
+ my ($filter, $hops);
+
+ $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
+ }
+}
+
+sub wwv
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{wwvfilter}) {
+ ($filter, $hops) = $self->{wwvfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line)
+}
+
+sub send_wcy_spot
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self;
+
+ $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
+ }
+}
+
+sub wcy
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my ($filter, $hops);
+
+ if ($self->{wcyfilter}) {
+ ($filter, $hops) = $self->{wcyfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
+}
+
+# send an announce
+sub send_announce
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $target;
+ my $to = 'To ';
+ my $text = unpad($_[2]);
+
+ if ($_[3] eq '*') { # sysops
+ $target = "SYSOP";
+ } elsif ($_[3] gt ' ') { # speciality list handling
+ my ($name) = split /\./, $_[3];
+ $target = "$name"; # put the rest in later (if bothered)
+ }
+
+ if ($_[5] eq '1') {
+ $target = "WX";
+ $to = '';
+ }
+ $target = "ALL" if !$target;
+
+
+ # obtain country codes etc
+ my @a = Prefix::cty_data($_[0]);
+ my @b = Prefix::cty_data($_[4]);
+ if ($self->{inannfilter}) {
+ my ($filter, $hops) =
+ $self->{inannfilter}->it(@_, $self->{call},
+ @a[0..2],
+ @b[0..2], $a[3], $b[3]);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ if (AnnTalk::dup($_[0], $_[1], $_[2])) {
+ dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+ return;
+ }
+
+ Log('ann', $target, $_[0], $text);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self && $self->is_node;
+ $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
+ @a[0..2], @b[0..2]);
+ }
+}
+
+my $msgid = 0;
+
+sub nextchatmsgid
+{
+ $msgid++;
+ $msgid = 1 if $msgid > 999;
+ return $msgid;
+}
+
+# send a chat line
+sub send_chat
+{
+ my $self = shift;
+ my $line = shift;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+ my $target = $_[3];
+ my $text = unpad($_[2]);
+ my $ak1a_line;
+
+ # munge the group and recast the line if required
+ if ($target =~ s/\.LST$//) {
+ $ak1a_line = $line;
+ }
+
+ # obtain country codes etc
+ my @a = Prefix::cty_data($_[0]);
+ my @b = Prefix::cty_data($_[4]);
+ if ($self->{inannfilter}) {
+ my ($filter, $hops) =
+ $self->{inannfilter}->it(@_, $self->{call},
+ @a[0..2],
+ @b[0..2], $a[3], $b[3]);
+ unless ($filter) {
+ dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
+ return;
+ }
+ }
+
+ if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
+ dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+ return;
+ }
+
+
+ Log('chat', $target, $_[0], $text);
+
+ # send it if it isn't the except list and isn't isolated and still has a hop count
+ # taking into account filtering and so on
+ foreach $dxchan (@dxchan) {
+ my $is_ak1a = $dxchan->is_ak1a;
+
+ if ($dxchan->is_node) {
+ next if $dxchan == $main::me;
+ next if $dxchan == $self;
+ next unless $dxchan->is_spider || $is_ak1a;
+ next if $target eq 'LOCAL';
+ if (!$ak1a_line && $is_ak1a) {
+ $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
+ }
+ }
+
+ $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
+ $text, @_, $self->{call}, @a[0..2], @b[0..2]);
+ }
+}
+
+sub announce
+{
+ my $self = shift;
+ my $line = shift;
+ my $isolate = shift;
+ my $to = shift;
+ my $target = shift;
+ my $text = shift;
+ my ($filter, $hops);
+
+ if ($self->{annfilter}) {
+ ($filter, $hops) = $self->{annfilter}->it(@_);
+ return unless $filter;
+ }
+ send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
+}
+
+sub chat
+{
+ goto &announce;
+}
+
+
+sub send_local_config
+{
+ my $self = shift;
+ my $node;
+ my @nodes;
+ my @localnodes;
+ my @remotenodes;
+
+ dbg('DXProt::send_local_config') if isdbg('trace');
+
+ if ($self->{newroute}) {
+ my @nodes = $self->{isolate} ? ($main::routeroot) : grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
+ my @users = DXChannel::get_all_users();
+ @localnodes = map { Route::Node::get($_->{call}) } @nodes;
+ my @localusers = map { Route::User::get($_->{call}) } @users;
+ $self->send_route($main::mycall, \&pc59, @nodes+@users+4, 'C', 0, $main::mycall, $main::routeroot, @localnodes, @localusers);
+ } else {
+ # send our nodes
+ if ($self->{isolate}) {
+ @localnodes = ( $main::routeroot );
+ $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
+ } else {
+ # create a list of all the nodes that are not connected to this connection
+ # and are not themselves isolated, this to make sure that isolated nodes
+ # don't appear outside of this node
+
+ # send locally connected nodes
+ my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
+ @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
+ $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
+
+ my $node;
+ my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
+ my @intcalls;
+ for $node (@rawintcalls) {
+ push @intcalls, $node unless grep $node eq $_, @intcalls;
+ }
+ my $ref = Route::Node::get($self->{call});
+ my @rnodes = $ref->nodes;
+ for $node (@intcalls) {
+ push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
+ }
+ $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
+ }
+
+ # get all the users connected on the above nodes and send them out
+ foreach $node ($main::routeroot, @localnodes, @remotenodes) {
+ if ($node) {
+ my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
+ $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
+ } else {
+ dbg("sent a null value") if isdbg('chanerr');
+ }
+ }
+ }
+}
+
+#
+# route a message down an appropriate interface for a callsign
+#
+# is called route(to, pcline);
+#
+sub route
+{
+ my ($self, $call, $line) = @_;
+
+ if (ref $self && $call eq $self->{call}) {
+ dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
+ return;
+ }
+
+ # always send it down the local interface if available
+ my $dxchan = DXChannel->get($call);
+ unless ($dxchan) {
+ my $cl = Route::get($call);
+ $dxchan = $cl->bestdxchan if $cl;
+ if (ref $dxchan) {
+ if (ref $self && $dxchan eq $self) {
+ dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
+ return;
+ }
+ }
+ }
+ if ($dxchan) {
+ my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
+ if ($routeit) {
+ $dxchan->send($routeit) unless $dxchan == $main::me;
+ }
+ } else {
+ dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
+ }
+}
+
+#
+# obtain the hops from the list for this callsign and pc no
+#
+
+sub get_hops
+{
+ my $pcno = shift;
+ my $hops = $DXProt::hopcount{$pcno};
+ $hops = $DXProt::def_hopcount if !$hops;
+ return "H$hops";
+}
+
+#
+# adjust the hop count on a per node basis using the user loadable
+# hop table if available or else decrement an existing one
+#
+
+sub adjust_hops
+{
+ my $self = shift;
+ my $s = shift;
+ my $call = $self->{call};
+ my $hops;
+
+ if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
+ my ($pcno) = $s =~ /^PC(\d\d)/o;
+ confess "$call called adjust_hops with '$s'" unless $pcno;
+ my $ref = $nodehops{$call} if %nodehops;
+ if ($ref) {
+ my $newhops = $ref->{$pcno};
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $ref->{default} unless $newhops;
+ return "" if defined $newhops && $newhops == 0;
+ $newhops = $hops if !$newhops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
+ } else {
+ # simply decrement it
+ $hops--;
+ return "" if !$hops;
+ $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
+ }
+ }
+ return $s;
+}
+
+#
+# load hop tables
+#
+sub load_hops
+{
+ my $self = shift;
+ return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
+ do "$main::data/hop_table.pl";
+ return $@ if $@;
+ return ();
+}
+
+
+# add a ping request to the ping queues
+sub addping
+{
+ my ($from, $to, $via) = @_;
+ my $ref = $pings{$to} || [];
+ my $r = {};
+ $r->{call} = $from;
+ $r->{t} = [ gettimeofday ];
+ if ($via && (my $dxchan = DXChannel->get($via))) {
+ $dxchan->send(pc51($to, $main::mycall, 1));
+ } else {
+ route(undef, $to, pc51($to, $main::mycall, 1));
+ }
+ push @$ref, $r;
+ $pings{$to} = $ref;
+ my $u = DXUser->get_current($to);
+ if ($u) {
+ $u->lastping($main::systime);
+ $u->put;
+ }
+}
+
+sub process_rcmd
+{
+ my ($self, $tonode, $fromnode, $user, $cmd) = @_;
+ if ($tonode eq $main::mycall) {
+ my $ref = DXUser->get_current($fromnode);
+ my $cref = Route::Node::get($fromnode);
+ Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
+ if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
+ if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
+ $self->{remotecmd} = 1; # for the benefit of any command that needs to know
+ my $oldpriv = $self->{priv};
+ $self->{priv} = $ref->{priv}; # assume the user's privilege level
+ my @in = (DXCommandmode::run_cmd($self, $cmd));
+ $self->{priv} = $oldpriv;
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
+ delete $self->{remotecmd};
+ } else {
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
+ }
+ } else {
+ $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
+ }
+ } else {
+ my $ref = DXUser->get_current($tonode);
+ if ($ref && $ref->is_clx) {
+ $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
+ } else {
+ $self->route($tonode, pc34($fromnode, $tonode, $cmd));
+ }
+ }
+}
+
+sub process_rcmd_reply
+{
+ my ($self, $tonode, $fromnode, $user, $line) = @_;
+ if ($tonode eq $main::mycall) {
+ my $s = $rcmds{$fromnode};
+ if ($s) {
+ my $dxchan = DXChannel->get($s->{call});
+ my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
+ $ref->send($line) if $ref;
+ delete $rcmds{$fromnode} if !$dxchan;
+ } else {
+ # send unsolicited ones to the sysop
+ my $dxchan = DXChannel->get($main::myalias);
+ $dxchan->send($line) if $dxchan;
+ }
+ } else {
+ my $ref = DXUser->get_current($tonode);
+ if ($ref && $ref->is_clx) {
+ $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
+ } else {
+ $self->route($tonode, pc35($fromnode, $tonode, $line));
+ }
+ }
+}
+
+sub send_rcmd_reply
+{
+ my $self = shift;
+ my $tonode = shift;
+ my $fromnode = shift;
+ my $user = shift;
+ while (@_) {
+ my $line = shift;
+ $line =~ s/\s*$//;
+ Log('rcmd', 'out', $fromnode, $line);
+ if ($self->is_clx) {
+ $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
+ } else {
+ $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
+ }
+ }
+}
+
+# add a rcmd request to the rcmd queues
+sub addrcmd
+{
+ my ($self, $to, $cmd) = @_;
+
+ my $r = {};
+ $r->{call} = $self->{call};
+ $r->{t} = $main::systime;
+ $r->{cmd} = $cmd;
+ $rcmds{$to} = $r;
+
+ my $ref = Route::Node::get($to);
+ my $dxchan = $ref->bestdxchan;
+ if ($dxchan && $dxchan->is_clx) {
+ route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
+ } else {
+ route(undef, $to, pc34($main::mycall, $to, $cmd));
+ }
+}
+
+sub disconnect
+{
+ my $self = shift;
+ my $pc39flag = shift;
+ my $call = $self->call;
+
+ return if $self->{disconnecting}++;
+
+ unless ($pc39flag && $pc39flag == 1) {
+ $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
+ }
+
+ # get rid of any PC16/17/19
+ eph_del_regex("^PC1[679]*$call");
+
+ # do routing stuff, remove me from routing table
+ my $node = Route::Node::get($call);
+ my @rout;
+ if ($node) {
+
+ # remove the route from this node and return a list
+ # of nodes that have become orphanned as a result.
+ push @rout, $main::routeroot->remove_route($node, $self);
+
+ # remove all my ephemera as well
+ for (@rout) {
+ my $c = $_->call;
+ eph_del_regex("^PC1[679].*$c");
+ }
+ }
+
+ # unbusy and stop and outgoing mail
+ my $mref = DXMsg::get_busy($call);
+ $mref->stop_msg($call) if $mref;
+
+ # broadcast to all other nodes that all the nodes connected to via me are gone
+ unless ($pc39flag && $pc39flag == 2) {
+ $self->route_pc21($main::mycall, undef, @rout) if @rout;
+ $self->route_pc59($main::mycall, "", 'D', hexstamp(), $main::mycall, $node);
+ }
+
+ # delete all the unwanted nodes
+ $_->delete for @rout;
+
+ # remove outstanding pings
+ delete $pings{$call};
+
+ # I was the last node visited
+ $self->user->node($main::mycall);
+
+ # send info to all logged in thingies
+ $self->tell_login('logoutn');
+
+ Log('DXProt', $call . " Disconnected");
+
+ $self->SUPER::disconnect;
+}
+
+
+#
+# send a talk message to this thingy
+#
+sub talk
+{
+ my ($self, $from, $to, $via, $line, $origin) = @_;
+
+ $line =~ s/\^/\\5E/g; # remove any ^ characters
+ $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
+ Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
+}
+
+# send it if it isn't the except list and isn't isolated and still has a hop count
+# taking into account filtering and so on
+
+sub send_route
+{
+ my $self = shift;
+ my $origin = shift;
+ my $generate = shift;
+ my $no = shift; # the no of things to filter on
+ my $routeit;
+ my ($filter, $hops);
+ my @rin;
+
+ for (; @_ && $no; $no--) {
+ my $r = shift;
+
+ # deal with non routing parameters
+ unless (ref $r && $r->isa('Route')) {
+ push @rin, $r;
+ next;
+ }
+
+ if (!$self->{isolate} && $self->{routefilter}) {
+ $filter = undef;
+ if ($r) {
+ ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
+ if ($filter) {
+ push @rin, $r;
+ } else {
+ dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
+ }
+ } else {
+ dbg("was sent a null value") if isdbg('chanerr');
+ }
+ } else {
+ push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
+ }
+ }
+ if (@rin) {
+ foreach my $line (&$generate(@rin, @_)) {
+ if ($hops) {
+ $routeit = $line;
+ $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+ } else {
+ $routeit = adjust_hops($self, $line); # adjust its hop count by node name
+ next unless $routeit;
+ }
+
+ $self->send($routeit);
+ }
+ }
+}
+
+sub broadcast_route
+{
+ my $self = shift;
+ my $origin = shift;
+ my $generate = shift;
+ my $line = shift;
+ my @dxchan = DXChannel::get_all_nodes();
+ my $dxchan;
+
+ unless ($self->{isolate}) {
+ foreach $dxchan (@dxchan) {
+ next if $dxchan == $self;
+ next if $dxchan == $main::me;
+ next unless $dxchan->isa('DXProt');
+ next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
+ if ($dxchan->{newroute}) {
+ next if ($generate == \&pc19 || $generate==\&pc21 ||
+ $generate == \&pc16 || $generate==\&pc17);
+ } else {
+ next if ($generate == \&pc19 || $generate==\&pc21) && !$dxchan->user->wantroutepc19;
+ next if ($generate == \&pc59);
+ }
+
+ $dxchan->send_route($origin, $generate, @_);
+ }
+ }
+}
+
+sub route_pc16
+{
+ my $self = shift;
+ return unless $self->user->wantpc16;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc16, $line, 1, @_);
+}
+
+sub route_pc17
+{
+ my $self = shift;
+ return unless $self->user->wantpc16;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc17, $line, 1, @_);
+}
+
+sub route_pc19
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
+}
+
+sub route_pc21
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
+}
+
+sub route_pc24
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc24, $line, 1, @_);
+}
+
+sub route_pc41
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc41, $line, 1, @_);
+}
+
+sub route_pc50
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+ broadcast_route($self, $origin, \&pc50, $line, 1, @_);
+}
+
+sub route_pc59
+{
+ my $self = shift;
+ my $origin = shift;
+ my $line = shift;
+
+ broadcast_route($self, $origin, \&pc59, $line, scalar @_, @_);
+}
+
+sub in_filter_route
+{
+ my $self = shift;
+ my $r = shift;
+ my ($filter, $hops) = (1, 1);
+
+ if ($self->{inroutefilter}) {
+ ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
+ dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
+ }
+ return $filter;
+}
+
+sub eph_dup
+{
+ my $s = shift;
+ my $t = shift || $eph_restime;
+ my $r;
+
+ # chop the end off
+ $s =~ s/\^H\d\d?\^?\~?$//;
+ $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
+ $eph{$s} = $main::systime + $t;
+ return $r;
+}
+
+sub eph_del_regex
+{
+ my $regex = shift;
+ my ($key, $val);
+ while (($key, $val) = each %eph) {
+ if ($key =~ m{$regex}) {
+ delete $eph{$key};
+ }
+ }
+}
+
+sub eph_clean
+{
+ my ($key, $val);
+
+ while (($key, $val) = each %eph) {
+ if ($main::systime >= $val) {
+ delete $eph{$key};
+ }
+ }
+}
+
+sub eph_list
+{
+ my ($key, $val);
+ my @out;
+
+ while (($key, $val) = each %eph) {
+ push @out, $key, $val;
+ }
+ return @out;
+}
+
+sub run_cmd
+{
+ goto &DXCommandmode::run_cmd;
+}
1;
__END__
projects / spider.git / blobdiff