#
# Copyright (c) 1998-2006 Dirk Koopman G1TLH
#
-# $Id$
+#
#
package DXProt;
$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
+ %nodehops $baddx $badspotter $badnode $censorpc
$allowzero $decode_dk0wcy $send_opernam @checklist
$eph_pc15_restime $pc9x_past_age $pc9x_future_age
+ $pc10_dupe_age
);
-$pc9x_past_age = 15*60; # maximum age in the past of a px9x
+$pc9x_past_age = 62*60; # maximum age in the past of a px9x (a config record might be the only
+ # thing a node might send - once an hour)
$pc9x_future_age = 5*60; # maximum age in the future ditto
+$pc10_dupe_age = 45; # just something to catch duplicate PC10->PC93 conversions
+
# incoming talk commands
sub handle_10
my $line = shift;
my $origin = shift;
- # rsfp check
- return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
+ # this is to catch loops caused by bad software ...
+ if (eph_dup($line, $pc10_dupe_age)) {
+ return;
+ }
# will we allow it at all?
if ($censorpc) {
RouteDB::update($_[6], $self->{call});
# RouteDB::update($to, $_[6]);
- # convert this to a PC93 and process it as such
- $self->normal(pc93($to, $from, $via, $_[3], $_[6]));
- return;
-
- # this is all redundant but kept for now for reference
-
- # it is here and logged on
- $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
- $dxchan = DXChannel::get($to) unless $dxchan;
- if ($dxchan && $dxchan->is_user) {
- $_[3] =~ s/\%5E/^/g;
- $dxchan->talk($from, $to, $via, $_[3]);
- return;
- }
-
- # is it elsewhere, visible on the cluster via the to address?
- # note: this discards the via unless the to address is on
- # the via address
- my ($ref, $vref);
- if ($ref = Route::get($to)) {
- $vref = Route::Node::get($via) if $via;
- $vref = undef unless $vref && grep $to eq $_, $vref->users;
- $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
- return;
- }
-
- # can we see an interface to send it down?
-
- # not visible here, send a message of condolence
- $vref = undef;
- $ref = Route::get($from);
- $vref = $ref = Route::Node::get($_[6]) unless $ref;
- if ($ref) {
- $dxchan = $ref->dxchan;
- $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
- }
+ # convert this to a PC93, coming from mycall with origin set and process it as such
+ $main::me->normal(pc93($to, $from, $via, $_[3], $_[6]));
}
# DX Spot handling
}
}
- # 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*$/) {
my $line = shift;
my $origin = shift;
- # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
-
# announce duplicate checking
$_[3] =~ s/^\s+//; # remove leading blanks
my $origin = shift;
if (eph_dup($line, $eph_pc15_restime)) {
- dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
+ return;
} else {
unless ($self->{isolate}) {
DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
}
if (eph_dup($line)) {
- dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
return;
}
push @rout, @ans if $h && @ans;
}
- # send info to all logged in thingies
- $self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
- $self->tell_buddies('loginb', $call, $ncall);
-
# add this station to the user database, if required
-# $call =~ s/-\d+$//o; # remove ssid for users
- my $user = DXUser->get_current($call);
- $user = DXUser->new($call) if !$user;
+ my $user = DXUser->get_current($ncall);
+ $user = DXUser->new($call) unless $user;
$user->homenode($parent->call) if !$user->homenode;
$user->node($parent->call);
$user->lastin($main::systime) unless DXChannel::get($call);
$user->put;
+
+ # send info to all logged in thingies
+ $self->tell_login('loginu', "$ncall: $call") if $user->is_local_node;
+ $self->tell_buddies('loginb', $call, $ncall);
}
if (@rout) {
$self->route_pc16($origin, $line, $parent, @rout) if @rout;
$parent->del_user($uref);
# send info to all logged in thingies
- $self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
+ my $user = DXUser->get_current($ncall);
+ $self->tell_login('logoutu', "$ncall: $ucall") if $user && $user->is_local_node;
$self->tell_buddies('logoutb', $ucall, $ncall);
if (eph_dup($line)) {
- dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
return;
}
my $parent = Route::Node::get($self->{call});
# record the type and version offered
- if ($_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
- $self->{version} = 53 + $1;
- $self->user->version(53 + $1);
- $parent->version(0 + $1);
- dbg("DXSpider version $1");
+ if (my ($version) = $_[1] =~ /DXSpider Version: (\d+\.\d+)/) {
+ $self->{version} = 53 + $version;
+ $self->user->version(53 + $version);
+ $parent->version(0 + $version);
my ($build) = $_[1] =~ /Build: (\d+(?:\.\d+)?)/;
$self->{build} = 0 + $build;
$self->user->build(0 + $build);
$parent->build(0 + $build);
- dbg("DXSpider build $build");
+ dbg("DXSpider version $version build $build");
unless ($self->is_spider) {
dbg("Change U " . $self->user->sort . " C $self->{sort} -> S");
$self->user->sort('S');
$self->sort('S');
}
# $self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml/;
- if (!$self->{isolate} && $_[1] =~ /\bpc9x/) {
- $self->{do_pc9x} = 1;
- dbg("Do px9x set on $self->{call}");
+ if ($_[1] =~ /\bpc9x/) {
+ if ($self->{isolate}) {
+ dbg("pc9x recognised, but $self->{call} is isolated, using old protocol");
+ } elsif (!$self->user->wantpc9x) {
+ dbg("pc9x explicitly switched off on $self->{call}, using old protocol");
+ } else {
+ $self->{do_pc9x} = 1;
+ dbg("Do px9x set on $self->{call}");
+ }
}
} else {
dbg("Unknown software");
}
if (eph_dup($line)) {
- dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
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]));
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;
}
my $line = shift;
my $origin = shift;
if (eph_dup($line, $eph_pc34_restime)) {
- dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
+ return;
} else {
$self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
}
my $l = "PC41^$call^$sort";
if (eph_dup($l, $eph_info_restime)) {
- dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
return;
}
my $origin = shift;
if (eph_dup($line)) {
- dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
return;
}
RouteDB::update($from, $self->{call});
if (eph_dup($line)) {
- dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
return;
}
# route down an appropriate thingy
if ($parent->call ne $main::mycall) {
my $lastid = $parent->lastid->{$pc} || 0;
if ($t < $lastid) {
- if ($lastid-86400+$t > $pc9x_past_age) {
- dbg("PCPROT: dup id on $t <= $lastid (midnight rollover), ignored") if isdbg('chanerr');
+ if ($t+86400-$lastid > $pc9x_past_age) {
+ dbg("PCPROT: dup id on $t <= $lastid, ignored") if isdbg('chanerr');
return;
}
- }
- if ($lastid >= $t) {
- dbg("PCPROT: dup id on $call $lastid >= $t, ignored") if isdbg('chanerr');
+ } elsif ($t == $lastid) {
+ dbg("PCPROT: dup id on $t == $lastid, ignored") if isdbg('chanerr');
return;
+ } else {
+ # $t > $lastid, check that the timestamp offered isn't too far away from 'now'
+ if ($t+$main::systime_daystart-$main::systime > $pc9x_future_age ) {
+ dbg("PCPROT: id $t too far in the future, ignored") if isdbg('chanerr');
+ return;
+ }
}
}
} elsif ($create) {
$parent = Route::Node->new($call);
}
- $parent->lastid->{$pc} = $t;
+ $parent->lastid->{$pc} = $t if $parent;
return $parent;
}
}
if ($pcall eq $self->{call} && $self->{state} eq 'init') {
- $self->state('init92');
- $self->{do_pc9x} = 1;
- dbg("Do pc9x set on $pcall");
+ if ($self->{isolate}) {
+ dbg("PC9x received, but $pcall is isolated, ignored");
+ return;
+ } elsif (!$self->user->wantpc9x) {
+ dbg("PC9x explicitly switched off on $pcall, ignored");
+ return;
+ } else {
+ $self->state('init92');
+ $self->{do_pc9x} = 1;
+ dbg("Do pc9x set on $pcall");
+ }
}
unless ($self->{do_pc9x}) {
dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
}
} elsif ($sort eq 'A' || $sort eq 'D' || $sort eq 'C') {
+ # remember the last channel we arrived on
+ $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
+
# this is the main route section
# here is where all the routes are created and destroyed
dbg("PCPROT: $call looped back onto $main::mycall, ignored") if isdbg('chanerr');
return;
}
+ # this is only accepted from my "self".
+ # this also kills configs from PC92 nodes with external PC19 nodes that are also
+ # locally connected. Local nodes always take precedence.
+ if (DXChannel::get($call) && $call ne $self->{call}) {
+ dbg("PCPROT: locally connected node $call from other another node $self->{call}, ignored") if isdbg('chanerr');
+ return;
+ }
if ($is_extnode) {
- # this is only accepted from my "self"
- if (DXChannel::get($call) && $call ne $self->{call}) {
- dbg("PCPROT: locally connected node config for $call from other another node $self->{call}, ignored") if isdbg('chanerr');
- return;
- }
# reparent to external node (note that we must have received a 'C' or 'A' record
# from the true parent node for this external before we get one for the this node
unless ($parent = Route::Node::get($call)) {
- dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
- return;
+ if ($is_extnode && $oparent) {
+ @radd = _add_thingy($oparent, $ent[0]);
+ $parent = $radd[0];
+ } else {
+ dbg("PCPROT: no previous C or A for this external node received, ignored") if isdbg('chanerr');
+ return;
+ }
}
$parent = check_pc9x_t($call, $t, 92) || return;
$parent->via_pc92(1);
+ $parent->PC92C_dxchan($self->{call});
}
} else {
dbg("PCPROT: must be mycall or external node as first entry, ignored") if isdbg('chanerr');
$parent->here(Route::here($here));
$parent->version($version) if $version && $version > $parent->version;
$parent->build($build) if $build && $build > $parent->build;
+ $parent->PC92C_dxchan($self->{call}) unless $self->{call} eq $parent->call;
shift @ent;
}
}
# we only reset obscounts on config records
$oparent->reset_obs;
- dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('route');
+ dbg("ROUTE: reset obscount on $pcall now " . $oparent->obscount) if isdbg('obscount');
if ($oparent != $parent) {
$parent->reset_obs;
- dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('route');
+ dbg("ROUTE: reset obscount on $parent->{call} now " . $parent->obscount) if isdbg('obscount');
}
#
dbg("PCPROT: invalid callsign string '$_[1]', ignored") if isdbg('chanerr');
return;
}
+
+ # remember that we are converting PC10->PC93
+ unless ($self->{do_pc9x}) {
+ dbg("PCPROT: PC9x come in from non-PC9x node, ignored") if isdbg('chanerr');
+ return;
+ }
+
my $t = $_[2];
my $parent = check_pc9x_t($pcall, $t, 93, 1) || return;
my $onode = $_[7];
$onode = $pcall if @_ <= 8;
+ # this is catch loops caused by bad software ...
+ if (eph_dup("PC93|$from|$text|$onode", $pc10_dupe_age)) {
+ return;
+ }
+
# will we allow it at all?
if ($censorpc) {
my @bad;
my $dxchan;
$dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
$dxchan = DXChannel::get($to) unless $dxchan;
- if ($dxchan && $dxchan->is_user) {
- $dxchan->talk($from, $to, $via, $text, $onode);
- return;
+ # check it...
+ if ($dxchan) {
+ if (ref $dxchan && $dxchan->isa('DXChannel')) {
+ if ($dxchan->is_user) {
+ $dxchan->talk($from, $to, $via, $text, $onode);
+ return;
+ }
+ } else {
+ dbg("ERROR: $to -> $dxchan is not a DXChannel! (local talk)");
+ }
}
# convert to PC10 talks where appropriate
my $ref = Route::get($to);
if ($ref) {
- my @dxchan = $ref->alldxchan;
- for $dxchan (@dxchan) {
+ # just go for the "best" one for now (rather than broadcast)
+ $dxchan = $ref->dxchan;
+
+ # check it...
+ if (ref $dxchan && $dxchan->isa('DXChannel')) {
if ($dxchan->{do_pc9x}) {
$dxchan->send($line);
} else {
$dxchan->talk($from, $to, $via, $text, $onode);
}
+ } else {
+ dbg("ERROR: $to -> $dxchan is not a DXChannel! (convert to pc10)");
}
return;
}
my $wx = uc $to eq 'WX' ? '1' : '0';
my $local = $via eq 'LOCAL' ? '*' : $via;
- $self->send_announce(1, pc12($from, $text, $local, $via, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
+ $self->send_announce(1, pc12($from, $text, $local, $sysop, $wx, $pcall), $from, $local, $text, $sysop, $pcall, $wx, $via eq 'LOCAL' ? $via : undef);
return if $via eq 'LOCAL';
} else {
# chat messages to non-pc9x nodes
my $line = shift;
my $origin = shift;
- if (eph_dup($line)) {
- dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
- } else {
+ unless (eph_dup($line)) {
if ($pcno >= 90) {
my $pcall = $_[1];
unless (is_callsign($pcall)) {
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