perl/DXProt.pm

   1 #!/usr/bin/perl
   2 #
   3 # This module impliments the protocal mode for a dx cluster
   4 #
   5 # Copyright (c) 1998 Dirk Koopman G1TLH
   6 #
   7 # $Id$
   8 #
   9
  10 package DXProt;
  11
  12 @ISA = qw(DXChannel);
  13
  14 use DXUtil;
  15 use DXChannel;
  16 use DXUser;
  17 use DXM;
  18 use DXProtVars;
  19 use DXCommandmode;
  20 use DXLog;
  21 use Spot;
  22 use DXProtout;
  23 use DXDebug;
  24 use Filter;
  25 use Local;
  26 use DXDb;
  27 use AnnTalk;
  28 use Geomag;
  29 use WCY;
  30 use Time::HiRes qw(gettimeofday tv_interval);
  31 use BadWords;
  32 use DXHash;
  33 use Route;
  34 use Route::Node;
  35 use Script;
  36
  37 use strict;
  38
  39 use vars qw($VERSION $BRANCH);
  40 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
  41 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
  42 $main::build += $VERSION;
  43 $main::branch += $BRANCH;
  44
  45 use vars qw($me $pc11_max_age $pc23_max_age $last_pc50
  46                         $last_hour $last10 %eph  %pings %rcmds $ann_to_talk
  47                         %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
  48                         $allowzero $decode_dk0wcy $send_opernam @checklist);
  49
  50 $me = undef;                                    # the channel id for this cluster
  51 $pc11_max_age = 1*3600;                 # the maximum age for an incoming 'real-time' pc11
  52 $pc23_max_age = 1*3600;                 # the maximum age for an incoming 'real-time' pc23
  53
  54 $last_hour = time;                              # last time I did an hourly periodic update
  55 %pings = ();                    # outstanding ping requests outbound
  56 %rcmds = ();                    # outstanding rcmd requests outbound
  57 %nodehops = ();                 # node specific hop control
  58 $censorpc = 1;                                  # Do a BadWords::check on text fields and reject things
  59                                                                 # loads of 'bad things'
  60 $baddx = new DXHash "baddx";
  61 $badspotter = new DXHash "badspotter";
  62 $badnode = new DXHash "badnode";
  63 $last10 = $last_pc50 = time;
  64 $ann_to_talk = 1;
  65 $rspfcheck = 1;
  66
  67 @checklist =
  68 (
  69  [ qw(c c m bp bc c) ],                 # pc10
  70  [ qw(f m d t m c c h) ],               # pc11
  71  [ qw(c bc m bp bm p h) ],              # pc12
  72  [ qw(c h) ],                                   #
  73  [ qw(c h) ],                                   #
  74  [ qw(c m h) ],                                 #
  75  undef ,                                                # pc16 has to be validated manually
  76  [ qw(c c h) ],                                 # pc17
  77  [ qw(m n) ],                                   # pc18
  78  undef ,                                                # pc19 has to be validated manually
  79  undef ,                                                # pc20 no validation
  80  [ qw(c m h) ],                                 # pc21
  81  undef ,                                                # pc22 no validation
  82  [ qw(d n n n n m c c h) ],             # pc23
  83  [ qw(c p h) ],                                 # pc24
  84  [ qw(c c n n) ],                               # pc25
  85  [ qw(f m d t m c c bc) ],              # pc26
  86  [ qw(d n n n n m c c bc) ],    # pc27
  87  [ qw(c c m c d t p m bp n p bp bc) ], # pc28
  88  [ qw(c c n m) ],                               # pc29
  89  [ qw(c c n) ],                                 # pc30
  90  [ qw(c c n) ],                                 # pc31
  91  [ qw(c c n) ],                                 # pc32
  92  [ qw(c c n) ],                                 # pc33
  93  [ qw(c c m) ],                                 # pc34
  94  [ qw(c c m) ],                                 # pc35
  95  [ qw(c c m) ],                                 # pc36
  96  [ qw(c c n m) ],                               # pc37
  97  undef,                                                 # pc38 not interested
  98  [ qw(c m) ],                                   # pc39
  99  [ qw(c c m p n) ],                             # pc40
 100  [ qw(c n m h) ],                               # pc41
 101  [ qw(c c n) ],                                 # pc42
 102  undef,                                                 # pc43 don't handle it
 103  [ qw(c c n m m c) ],                   # pc44
 104  [ qw(c c n m) ],                               # pc45
 105  [ qw(c c n) ],                                 # pc46
 106  undef,                                                 # pc47
 107  undef,                                                 # pc48
 108  [ qw(c m h) ],                                 # pc49
 109  [ qw(c n h) ],                                 # pc50
 110  [ qw(c c n) ],                                 # pc51
 111  undef,
 112  undef,
 113  undef,
 114  undef,
 115  undef,
 116  undef,
 117  undef,
 118  undef,
 119  undef,                                                 # pc60
 120  undef,
 121  undef,
 122  undef,
 123  undef,
 124  undef,
 125  undef,
 126  undef,
 127  undef,
 128  undef,
 129  undef,                                                 # pc70
 130  undef,
 131  undef,
 132  [ qw(d n n n n n n m m m c c h) ],     # pc73
 133  undef,
 134  undef,
 135  undef,
 136  undef,
 137  undef,
 138  undef,
 139  undef,                                                 # pc80
 140  undef,
 141  undef,
 142  undef,
 143  [ qw(c c c m) ],                               # pc84
 144  [ qw(c c c m) ],                               # pc85
 145 );
 146
 147 # use the entry in the check list to check the field list presented
 148 # return OK if line NOT in check list (for now)
 149 sub check
 150 {
 151         my $n = shift;
 152         $n -= 10;
 153         return 0 if $n < 0 || $n > @checklist;
 154         my $ref = $checklist[$n];
 155         return 0 unless ref $ref;
 156
 157         my $i;
 158         shift;    # not interested in the first field
 159         for ($i = 0; $i < @$ref; $i++) {
 160                 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
 161                 return 0 unless $act;
 162                 next if $blank && $_[$i] =~ /^[ \*]$/;
 163                 if ($act eq 'c') {
 164                         return $i+1 unless is_callsign($_[$i]);
 165                 } elsif ($act eq 'm') {
 166                         return $i+1 unless is_pctext($_[$i]);
 167                 } elsif ($act eq 'p') {
 168                         return $i+1 unless is_pcflag($_[$i]);
 169                 } elsif ($act eq 'f') {
 170                         return $i+1 unless is_freq($_[$i]);
 171                 } elsif ($act eq 'n') {
 172                         return $i+1 unless $_[$i] =~ /^[\d ]+$/;
 173                 } elsif ($act eq 'h') {
 174                         return $i+1 unless $_[$i] =~ /^H\d\d?$/;
 175                 } elsif ($act eq 'd') {
 176                         return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
 177                 } elsif ($act eq 't') {
 178                         return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
 179                 }
 180         }
 181         return 0;
 182 }
 183
 184 sub init
 185 {
 186         my $user = DXUser->get($main::mycall);
 187         $DXProt::myprot_version += $main::version*100;
 188         $me = DXProt->new($main::mycall, 0, $user);
 189         $me->{here} = 1;
 190         $me->{state} = "indifferent";
 191         do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
 192         confess $@ if $@;
 193         $me->{sort} = 'S';    # S for spider
 194         $me->{priv} = 9;
 195 #       $Route::Node::me->adddxchan($me);
 196 }
 197
 198 #
 199 # obtain a new connection this is derived from dxchannel
 200 #
 201
 202 sub new
 203 {
 204         my $self = DXChannel::alloc(@_);
 205
 206         # add this node to the table, the values get filled in later
 207         my $pkg = shift;
 208         my $call = shift;
 209         $main::routeroot->add($call, '0000', Route::here(1)) if $call ne $main::mycall;
 210
 211         return $self;
 212 }
 213
 214 # this is how a pc connection starts (for an incoming connection)
 215 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
 216 # all the crap that comes between).
 217 sub start
 218 {
 219         my ($self, $line, $sort) = @_;
 220         my $call = $self->{call};
 221         my $user = $self->{user};
 222
 223         # log it
 224         my $host = $self->{conn}->{peerhost} || "unknown";
 225         Log('DXProt', "$call connected from $host");
 226
 227         # remember type of connection
 228         $self->{consort} = $line;
 229         $self->{outbound} = $sort eq 'O';
 230         my $priv = $user->priv;
 231         $priv = $user->priv(1) unless $priv;
 232         $self->{priv} = $priv;     # other clusters can always be 'normal' users
 233         $self->{lang} = $user->lang || 'en';
 234         $self->{isolate} = $user->{isolate};
 235         $self->{consort} = $line;       # save the connection type
 236         $self->{here} = 1;
 237         $self->{width} = 80;
 238
 239         # get the output filters
 240         $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
 241         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
 242         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
 243         $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
 244         $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
 245
 246
 247         # get the INPUT filters (these only pertain to Clusters)
 248         $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
 249         $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
 250         $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
 251         $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
 252         $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
 253
 254         # set unbuffered and no echo
 255         $self->send_now('B',"0");
 256         $self->send_now('E',"0");
 257
 258         # ping neighbour node stuff
 259         my $ping = $user->pingint;
 260         $ping = 5*60 unless defined $ping;
 261         $self->{pingint} = $ping;
 262         $self->{nopings} = $user->nopings || 2;
 263         $self->{pingtime} = [ ];
 264         $self->{pingave} = 999;
 265         $self->{lastping} = $main::systime;
 266
 267         # send initialisation string
 268         unless ($self->{outbound}) {
 269                 $self->send(pc18());
 270         }
 271
 272         $self->state('init');
 273         $self->{pc50_t} = $main::systime;
 274
 275         # send info to all logged in thingies
 276         $self->tell_login('loginn');
 277
 278         # run a script send the output to the debug file
 279         my $script = new Script(lc $call) || new Script('node_default');
 280         $script->run($self) if $script;
 281 }
 282
 283 #
 284 # This is the normal pcxx despatcher
 285 #
 286 sub normal
 287 {
 288         my ($self, $line) = @_;
 289         my @field = split /\^/, $line;
 290         return unless @field;
 291
 292         pop @field if $field[-1] eq '~';
 293
 294 #       print join(',', @field), "\n";
 295
 296
 297         # process PC frames, this will fail unless the frame starts PCnn
 298         my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
 299         return unless $pcno;
 300         return if $pcno < 10 || $pcno > 99;
 301
 302         # check for and dump bad protocol messages
 303         my $n = check($pcno, @field);
 304         if ($n) {
 305                 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
 306                 return;
 307         }
 308
 309         # local processing 1
 310         my $pcr;
 311         eval {
 312                 $pcr = Local::pcprot($self, $pcno, @field);
 313         };
 314 #       dbg("Local::pcprot error $@") if isdbg('local') if $@;
 315         return if $pcr;
 316
 317  SWITCH: {
 318                 if ($pcno == 10) {              # incoming talk
 319
 320                         # rsfp check
 321                         return if $rspfcheck and !$self->rspfcheck(0, $field[6], $field[1]);
 322
 323                         # will we allow it at all?
 324                         if ($censorpc) {
 325                                 my @bad;
 326                                 if (@bad = BadWords::check($field[3])) {
 327                                         dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
 328                                         return;
 329                                 }
 330                         }
 331
 332                         # is it for me or one of mine?
 333                         my ($from, $to, $via, $call, $dxchan);
 334                         $from = $field[1];
 335                         if ($field[5] gt ' ') {
 336                                 $via = $field[2];
 337                                 $to = $field[5];
 338                         } else {
 339                                 $to = $field[2];
 340                         }
 341
 342                         # if we are converting announces to talk is it a dup?
 343                         if ($ann_to_talk) {
 344                                 if (AnnTalk::is_talk_candidate($from, $field[3]) && AnnTalk::dup($from, $to, $field[3])) {
 345                                         dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
 346                                         return;
 347                                 }
 348                         }
 349
 350                         # it is here and logged on
 351                         $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
 352                         $dxchan = DXChannel->get($to) unless $dxchan;
 353                         if ($dxchan && $dxchan->is_user) {
 354                                 $field[3] =~ s/\%5E/^/g;
 355                                 $dxchan->talk($from, $to, $via, $field[3]);
 356                                 return;
 357                         }
 358
 359                         # is it elsewhere, visible on the cluster via the to address?
 360                         # note: this discards the via unless the to address is on
 361                         # the via address
 362                         my ($ref, $vref);
 363                         if ($ref = Route::get($to)) {
 364                                 $vref = Route::Node::get($via) if $via;
 365                                 $vref = undef unless $vref && grep $to eq $_, $vref->users;
 366                                 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $field[3], $field[6]);
 367                                 return;
 368                         }
 369
 370                         # not visible here, send a message of condolence
 371                         $vref = undef;
 372                         $ref = Route::get($from);
 373                         $vref = $ref = Route::Node::get($field[6]) unless $ref;
 374                         if ($ref) {
 375                                 $dxchan = $ref->dxchan;
 376                                 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
 377                         }
 378                         return;
 379                 }
 380
 381                 if ($pcno == 11 || $pcno == 26) { # dx spot
 382
 383                         # route 'foreign' pc26s
 384                         if ($pcno == 26) {
 385                                 if ($field[7] ne $main::mycall) {
 386                                         $self->route($field[7], $line);
 387                                         return;
 388                                 }
 389                         }
 390
 391                         # rsfp check
 392                         return if $rspfcheck and !$self->rspfcheck(1, $field[7], $field[6]);
 393
 394                         # if this is a 'nodx' node then ignore it
 395                         if ($badnode->in($field[7])) {
 396                                 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
 397                                 return;
 398                         }
 399
 400                         # if this is a 'bad spotter' user then ignore it
 401                         if ($badspotter->in($field[6])) {
 402                                 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
 403                                 return;
 404                         }
 405
 406                         # convert the date to a unix date
 407                         my $d = cltounix($field[3], $field[4]);
 408                         # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
 409                         if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
 410                                 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
 411                                 return;
 412                         }
 413
 414                         # is it 'baddx'
 415                         if ($baddx->in($field[2])) {
 416                                 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
 417                                 return;
 418                         }
 419
 420                         # do some de-duping
 421                         $field[5] =~ s/^\s+//;      # take any leading blanks off
 422                         $field[2] = unpad($field[2]);   # take off leading and trailing blanks from spotted callsign
 423                         if ($field[2] =~ /BUST\w*$/) {
 424                                 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
 425                                 return;
 426                         }
 427                         if (Spot::dup($field[1], $field[2], $d, $field[5])) {
 428                                 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
 429                                 return;
 430                         }
 431                         if ($censorpc) {
 432                                 my @bad;
 433                                 if (@bad = BadWords::check($field[5])) {
 434                                         dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
 435                                         return;
 436                                 }
 437                         }
 438
 439                         my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
 440                         # global spot filtering on INPUT
 441                         if ($self->{inspotsfilter}) {
 442                                 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
 443                                 unless ($filter) {
 444                                         dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
 445                                         return;
 446                                 }
 447                         }
 448
 449                         # add it
 450                         Spot::add(@spot);
 451
 452             #
 453                         # @spot at this point contains:-
 454             # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
 455                         # then  spotted itu, spotted cq, spotters itu, spotters cq
 456                         # you should be able to route on any of these
 457             #
 458
 459                         # fix up qra locators of known users
 460                         my $user = DXUser->get_current($spot[4]);
 461                         if ($user) {
 462                                 my $qra = $user->qra;
 463                                 unless ($qra && is_qra($qra)) {
 464                                         my $lat = $user->lat;
 465                                         my $long = $user->long;
 466                                         if (defined $lat && defined $long) {
 467                                                 $user->qra(DXBearing::lltoqra($lat, $long));
 468                                                 $user->put;
 469                                         }
 470                                 }
 471
 472                                 # send a remote command to a distant cluster if it is visible and there is no
 473                                 # qra locator and we havn't done it for a month.
 474
 475                                 unless ($user->qra) {
 476                                         my $node;
 477                                         my $to = $user->homenode;
 478                                         my $last = $user->lastoper || 0;
 479                                         if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
 480                                                 my $cmd = "forward/opernam $spot[4]";
 481                                                 # send the rcmd but we aren't interested in the replies...
 482                                                 my $dxchan = $node->dxchan;
 483                                                 if ($dxchan && $dxchan->is_clx) {
 484                                                         route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
 485                                                 } else {
 486                                                         route(undef, $to, pc34($main::mycall, $to, $cmd));
 487                                                 }
 488                                                 if ($to ne $field[7]) {
 489                                                         $to = $field[7];
 490                                                         $node = Route::Node::get($to);
 491                                                         if ($node) {
 492                                                                 $dxchan = $node->dxchan;
 493                                                                 if ($dxchan && $dxchan->is_clx) {
 494                                                                         route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
 495                                                                 } else {
 496                                                                         route(undef, $to, pc34($main::mycall, $to, $cmd));
 497                                                                 }
 498                                                         }
 499                                                 }
 500                                                 $user->lastoper($main::systime);
 501                                                 $user->put;
 502                                         }
 503                                 }
 504                         }
 505
 506                         # local processing
 507                         my $r;
 508                         eval {
 509                                 $r = Local::spot($self, @spot);
 510                         };
 511 #                       dbg("Local::spot1 error $@") if isdbg('local') if $@;
 512                         return if $r;
 513
 514                         # DON'T be silly and send on PC26s!
 515                         return if $pcno == 26;
 516
 517                         # send out the filtered spots
 518                         send_dx_spot($self, $line, @spot) if @spot;
 519                         return;
 520                 }
 521
 522                 if ($pcno == 12) {              # announces
 523
 524                         return if $rspfcheck and !$self->rspfcheck(1, $field[5], $field[1]);
 525
 526                         # announce duplicate checking
 527                         $field[3] =~ s/^\s+//;  # remove leading blanks
 528                         if (AnnTalk::dup($field[1], $field[2], $field[3])) {
 529                                 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
 530                                 return;
 531                         }
 532
 533                         if ($censorpc) {
 534                                 my @bad;
 535                                 if (@bad = BadWords::check($field[3])) {
 536                                         dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
 537                                         return;
 538                                 }
 539                         }
 540
 541                         if ($field[2] eq '*' || $field[2] eq $main::mycall) {
 542
 543
 544                                 # here's a bit of fun, convert incoming ann with a callsign in the first word
 545                                 # or one saying 'to <call>' to a talk if we can route to the recipient
 546                                 if ($ann_to_talk) {
 547                                         my $call = AnnTalk::is_talk_candidate($field[1], $field[3]);
 548                                         if ($call) {
 549                                                 my $ref = Route::get($call);
 550                                                 if ($ref) {
 551                                                         my $dxchan = $ref->dxchan;
 552                                                         $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
 553                                                         return;
 554                                                 }
 555                                         }
 556                                 }
 557
 558                                 # send it
 559                                 $self->send_announce($line, @field[1..6]);
 560                         } else {
 561                                 $self->route($field[2], $line);
 562                         }
 563                         return;
 564                 }
 565
 566                 if ($pcno == 13) {
 567                         last SWITCH;
 568                 }
 569                 if ($pcno == 14) {
 570                         last SWITCH;
 571                 }
 572                 if ($pcno == 15) {
 573                         last SWITCH;
 574                 }
 575
 576                 if ($pcno == 16) {              # add a user
 577
 578                         # general checks
 579                         my $dxchan;
 580                         my $ncall = $field[1];
 581                         my $newline = "PC16^";
 582
 583                         if ($ncall eq $main::mycall) {
 584                                 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
 585                                 return;
 586                         }
 587                         $dxchan = DXChannel->get($ncall);
 588                         if ($dxchan && $dxchan ne $self) {
 589                                 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
 590                                 return;
 591                         }
 592                         my $parent = Route::Node::get($ncall);
 593                         unless ($parent) {
 594                                 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
 595                                 return;
 596                         }
 597
 598                         # input filter if required
 599                         return unless $self->in_filter_route($parent);
 600
 601                         my $i;
 602                         my @rout;
 603                         for ($i = 2; $i < $#field; $i++) {
 604                                 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
 605                                 next unless $call && $conf && defined $here && is_callsign($call);
 606                                 next if $call eq $main::mycall;
 607
 608                                 eph_del_regex("^PC17\^$call\^$ncall");
 609
 610                                 $conf = $conf eq '*';
 611
 612                                 # reject this if we think it is a node already
 613                                 my $r = Route::Node::get($call);
 614                                 my $u = DXUser->get_current($call) unless $r;
 615                                 if ($r || ($u && $u->is_node)) {
 616                                         dbg("PCPROT: $call is a node") if isdbg('chanerr');
 617                                         next;
 618                                 }
 619
 620                                 $r = Route::User::get($call);
 621                                 my $flags = Route::here($here)|Route::conf($conf);
 622
 623                                 if ($r) {
 624                                         if ($r->flags != $flags) {
 625                                                 $r->flags($flags);
 626                                                 push @rout, $r;
 627                                         }
 628                                         $r->addparent($parent);
 629                                 } else {
 630                                         push @rout, $parent->add_user($call, $flags);
 631                                 }
 632
 633                                 # add this station to the user database, if required
 634                                 $call =~ s/-\d+$//o;        # remove ssid for users
 635                                 my $user = DXUser->get_current($call);
 636                                 $user = DXUser->new($call) if !$user;
 637                                 $user->homenode($parent->call) if !$user->homenode;
 638                                 $user->node($parent->call);
 639                                 $user->lastin($main::systime) unless DXChannel->get($call);
 640                                 $user->put;
 641                         }
 642
 643                         if (eph_dup($line)) {
 644                                 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
 645                                 return;
 646                         }
 647
 648                         # queue up any messages (look for privates only)
 649                         DXMsg::queue_msg(1) if $self->state eq 'normal';
 650
 651                         $self->route_pc16($parent, @rout) if @rout;
 652                         return;
 653                 }
 654
 655                 if ($pcno == 17) {              # remove a user
 656                         my $dxchan;
 657                         my $ncall = $field[2];
 658                         my $ucall = $field[1];
 659
 660                         eph_del_regex("^PC16.*$ncall.*$ucall");
 661
 662                         if ($ncall eq $main::mycall) {
 663                                 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
 664                                 return;
 665                         }
 666                         $dxchan = DXChannel->get($ncall);
 667                         if ($dxchan && $dxchan ne $self) {
 668                                 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
 669                                 return;
 670                         }
 671
 672                         my $uref = Route::User::get($ucall);
 673                         unless ($uref) {
 674                                 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
 675                                 return;
 676                         }
 677                         my $parent = Route::Node::get($ncall);
 678                         unless ($parent) {
 679                                 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
 680                                 return;
 681                         }
 682
 683                         # input filter if required
 684                         return unless $self->in_filter_route($parent);
 685
 686                         my @rout = $parent->del_user($uref);
 687
 688                         if (eph_dup($line)) {
 689                                 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
 690                                 return;
 691                         }
 692
 693                         $self->route_pc17($parent, @rout) if @rout;
 694                         return;
 695                 }
 696
 697                 if ($pcno == 18) {              # link request
 698                         $self->state('init');
 699
 700                         # first clear out any nodes on this dxchannel
 701                         my $parent = Route::Node::get($self->{call});
 702                         my @rout = $parent->del_nodes;
 703                         $self->route_pc21(@rout, $parent) if @rout;
 704                         $self->send_local_config();
 705                         $self->send(pc20());
 706                         return;             # we don't pass these on
 707                 }
 708
 709                 if ($pcno == 19) {              # incoming cluster list
 710                         my $i;
 711                         my $newline = "PC19^";
 712
 713                         # new routing list
 714                         my @rout;
 715                         my $parent = Route::Node::get($self->{call});
 716                         unless ($parent) {
 717                                 dbg("DXPROT: my parent $self->{call} has disappeared");
 718                                 $self->disconnect;
 719                                 return;
 720                         }
 721
 722                         # parse the PC19
 723                         for ($i = 1; $i < $#field-1; $i += 4) {
 724                                 my $here = $field[$i];
 725                                 my $call = uc $field[$i+1];
 726                                 my $conf = $field[$i+2];
 727                                 my $ver = $field[$i+3];
 728                                 next unless defined $here && defined $conf && is_callsign($call);
 729
 730                                 eph_del_regex("^PC(?:21\^$call|17\^[^\^]+\^$call)");
 731
 732                                 # check for sane parameters
 733                                 $ver = 5000 if $ver eq '0000';
 734                                 next if $ver < 5000; # only works with version 5 software
 735                                 next if length $call < 3; # min 3 letter callsigns
 736                                 next if $call eq $main::mycall;
 737
 738                                 # update it if required
 739                                 my $r = Route::Node::get($call);
 740                                 my $flags = Route::here($here)|Route::conf($conf);
 741                                 if ($r) {
 742                                         my $ar;
 743                                         if ($call ne $parent->call) {
 744                                                 if ($self->in_filter_route($r)) {
 745                                                         $ar = $parent->add($call, $ver, $flags);
 746                                                         push @rout, $ar if $ar;
 747                                                 } else {
 748                                                         next;
 749                                                 }
 750                                         }
 751                                         if ($r->version ne $ver || $r->flags != $flags) {
 752                                                 $r->version($ver);
 753                                                 $r->flags($flags);
 754                                                 push @rout, $r unless $ar;
 755                                         }
 756                                 } else {
 757                                         if ($call eq $self->{call}) {
 758                                                 dbg("DXPROT: my channel route for $call has disappeared");
 759                                                 next;
 760                                         };
 761
 762                                         my $new = Route->new($call);          # throw away
 763                                     if ($self->in_filter_route($new)) {
 764                                                 my $r = $parent->add($call, $ver, $flags);
 765                                                 push @rout, $r;
 766                                         } else {
 767                                                 next;
 768                                         }
 769                                 }
 770
 771                                 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
 772                                 my $mref = DXMsg::get_busy($call);
 773                                 $mref->stop_msg($call) if $mref;
 774
 775                                 # add this station to the user database, if required (don't remove SSID from nodes)
 776                                 my $user = DXUser->get_current($call);
 777                                 if (!$user) {
 778                                         $user = DXUser->new($call);
 779                                         $user->sort('A');
 780                                         $user->priv(1);                   # I have relented and defaulted nodes
 781                                         $user->lockout(1);
 782                                         $user->homenode($call);
 783                                         $user->node($call);
 784                                 }
 785                                 $user->lastin($main::systime) unless DXChannel->get($call);
 786                                 $user->put;
 787                         }
 788
 789                         if (eph_dup($line)) {
 790                                 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
 791                                 return;
 792                         }
 793
 794                         $self->route_pc19(@rout) if @rout;
 795                         return;
 796                 }
 797
 798                 if ($pcno == 20) {              # send local configuration
 799                         $self->send_local_config();
 800                         $self->send(pc22());
 801                         $self->state('normal');
 802                         $self->{lastping} = 0;
 803                         return;
 804                 }
 805
 806                 if ($pcno == 21) {              # delete a cluster from the list
 807                         my $call = uc $field[1];
 808
 809                         eph_del_regex("^PC1[79].*$call");
 810
 811                         my @rout;
 812                         my $parent = Route::Node::get($self->{call});
 813                         unless ($parent) {
 814                                 dbg("DXPROT: my parent $self->{call} has disappeared");
 815                                 $self->disconnect;
 816                                 return;
 817                         }
 818                         my $node = Route::Node::get($call);
 819                         if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
 820                                 if ($call eq $self->{call}) {
 821                                         dbg("PCPROT: Trying to disconnect myself with PC21") if isdbg('chanerr');
 822                                         return;
 823                                 }
 824
 825                                 if ($node) {
 826                                         # input filter it
 827                                         return unless $self->in_filter_route($node);
 828
 829                                         # routing objects
 830                                         push @rout, $node->del($parent);
 831                                 }
 832                         } else {
 833                                 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
 834                                 return;
 835                         }
 836
 837                         if (eph_dup($line)) {
 838                                 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
 839                                 return;
 840                         }
 841
 842                         $self->route_pc21(@rout) if @rout;
 843                         return;
 844                 }
 845
 846                 if ($pcno == 22) {
 847                         $self->state('normal');
 848                         $self->{lastping} = 0;
 849                         return;
 850                 }
 851
 852                 if ($pcno == 23 || $pcno == 27) { # WWV info
 853
 854                         # route 'foreign' pc27s
 855                         if ($pcno == 27) {
 856                                 if ($field[8] ne $main::mycall) {
 857                                         $self->route($field[8], $line);
 858                                         return;
 859                                 }
 860                         }
 861
 862                         return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
 863
 864                         # do some de-duping
 865                         my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
 866                         my $sfi = unpad($field[3]);
 867                         my $k = unpad($field[4]);
 868                         my $i = unpad($field[5]);
 869                         my ($r) = $field[6] =~ /R=(\d+)/;
 870                         $r = 0 unless $r;
 871                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
 872                                 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
 873                                 return;
 874                         }
 875                         if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
 876                                 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
 877                                 return;
 878                         }
 879                         $field[7] =~ s/-\d+$//o;            # remove spotter's ssid
 880
 881                         my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
 882
 883                         my $rep;
 884                         eval {
 885                                 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
 886                         };
 887 #                       dbg("Local::wwv2 error $@") if isdbg('local') if $@;
 888                         return if $rep;
 889
 890                         # DON'T be silly and send on PC27s!
 891                         return if $pcno == 27;
 892
 893                         # broadcast to the eager world
 894                         send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
 895                         return;
 896                 }
 897
 898                 if ($pcno == 24) {              # set here status
 899                         my $call = uc $field[1];
 900                         my ($nref, $uref);
 901                         $nref = Route::Node::get($call);
 902                         $uref = Route::User::get($call);
 903                         return unless $nref || $uref;   # if we don't know where they are, it's pointless sending it on
 904
 905                         unless (eph_dup($line)) {
 906                                 $nref->here($field[2]) if $nref;
 907                                 $uref->here($field[2]) if $uref;
 908                                 my $ref = $nref || $uref;
 909                                 return unless $self->in_filter_route($ref);
 910                                 $self->route_pc24($ref, $field[3]);
 911                         }
 912                         return;
 913                 }
 914
 915                 if ($pcno == 25) {      # merge request
 916                         if ($field[1] ne $main::mycall) {
 917                                 $self->route($field[1], $line);
 918                                 return;
 919                         }
 920                         if ($field[2] eq $main::mycall) {
 921                                 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
 922                                 return;
 923                         }
 924
 925                         Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
 926
 927                         # spots
 928                         if ($field[3] > 0) {
 929                                 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
 930                                 my $in;
 931                                 foreach $in (@in) {
 932                                         $self->send(pc26(@{$in}[0..4], $field[2]));
 933                                 }
 934                         }
 935
 936                         # wwv
 937                         if ($field[4] > 0) {
 938                                 my @in = reverse Geomag::search(0, $field[4], time, 1);
 939                                 my $in;
 940                                 foreach $in (@in) {
 941                                         $self->send(pc27(@{$in}[0..5], $field[2]));
 942                                 }
 943                         }
 944                         return;
 945                 }
 946
 947                 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
 948                         if ($pcno == 49 || $field[1] eq $main::mycall) {
 949                                 DXMsg::process($self, $line);
 950                         } else {
 951                                 $self->route($field[1], $line) unless $self->is_clx;
 952                         }
 953                         return;
 954                 }
 955
 956                 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
 957                         $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
 958                         return;
 959                 }
 960
 961                 if ($pcno == 35) {              # remote command replies
 962                         $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
 963                         return;
 964                 }
 965
 966                 # for pc 37 see 44 onwards
 967
 968                 if ($pcno == 38) {              # node connected list from neighbour
 969                         return;
 970                 }
 971
 972                 if ($pcno == 39) {              # incoming disconnect
 973                         if ($field[1] eq $self->{call}) {
 974                                 $self->disconnect(1);
 975                                 eph_del_regex("^PC(?:1[679]|21).*$field[1]");
 976                         } else {
 977                                 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
 978                         }
 979                         return;
 980                 }
 981
 982                 if ($pcno == 41) {              # user info
 983                         my $call = $field[1];
 984
 985                         # input filter if required
 986 #                       my $ref = Route::get($call) || Route->new($call);
 987 #                       return unless $self->in_filter_route($ref);
 988
 989                         if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
 990                                 dbg('PCPROT: invalid value') if isdbg('chanerr');
 991                                 return;
 992                         }
 993
 994                         # add this station to the user database, if required
 995                         my $user = DXUser->get_current($call);
 996                         $user = DXUser->new($call) if !$user;
 997
 998                         if ($field[2] == 1) {
 999                                 $user->name($field[3]);
1000                         } elsif ($field[2] == 2) {
1001                                 $user->qth($field[3]);
1002                         } elsif ($field[2] == 3) {
1003                                 if (is_latlong($field[3])) {
1004                                         my ($lat, $long) = DXBearing::stoll($field[3]);
1005                                         $user->lat($lat);
1006                                         $user->long($long);
1007                                         $user->qra(DXBearing::lltoqra($lat, $long));
1008                                 } else {
1009                                         dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1010                                         return;
1011                                 }
1012                         } elsif ($field[2] == 4) {
1013                                 $user->homenode($field[3]);
1014                         } elsif ($field[2] == 5) {
1015                                 if (is_qra($field[3])) {
1016                                         my ($lat, $long) = DXBearing::qratoll($field[3]);
1017                                         $user->lat($lat);
1018                                         $user->long($long);
1019                                         $user->qra($field[3]);
1020                                 } else {
1021                                         dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1022                                         return;
1023                                 }
1024                         }
1025                         $user->lastoper($main::systime);   # to cut down on excessive for/opers being generated
1026                         $user->put;
1027
1028 #  perhaps this IS what we want after all
1029 #                       $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
1030 #                       return;
1031                 }
1032
1033                 if ($pcno == 43) {
1034                         last SWITCH;
1035                 }
1036
1037                 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
1038                         DXDb::process($self, $line);
1039                         return;
1040                 }
1041
1042                 if ($pcno == 50) {              # keep alive/user list
1043                         my $call = $field[1];
1044                         my $node = Route::Node::get($call);
1045                         if ($node) {
1046                                 return unless $node->call eq $self->{call};
1047                                 $node->usercount($field[2]);
1048
1049                                 # input filter if required
1050                                 return unless $self->in_filter_route($node);
1051
1052                                 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
1053                         }
1054                         return;
1055                 }
1056
1057                 if ($pcno == 51) {              # incoming ping requests/answers
1058                         my $to = $field[1];
1059                         my $from = $field[2];
1060                         my $flag = $field[3];
1061
1062
1063                         # is it for us?
1064                         if ($to eq $main::mycall) {
1065                                 if ($flag == 1) {
1066                                         $self->send(pc51($from, $to, '0'));
1067                                 } else {
1068                                         # it's a reply, look in the ping list for this one
1069                                         my $ref = $pings{$from};
1070                                         if ($ref) {
1071                                                 my $tochan =  DXChannel->get($from);
1072                                                 while (@$ref) {
1073                                                         my $r = shift @$ref;
1074                                                         my $dxchan = DXChannel->get($r->{call});
1075                                                         next unless $dxchan;
1076                                                         my $t = tv_interval($r->{t}, [ gettimeofday ]);
1077                                                         if ($dxchan->is_user) {
1078                                                                 my $s = sprintf "%.2f", $t;
1079                                                                 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1080                                                                 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1081                                                         } elsif ($dxchan->is_node) {
1082                                                                 if ($tochan) {
1083                                                                         my $nopings = $tochan->user->nopings || 2;
1084                                                                         push @{$tochan->{pingtime}}, $t;
1085                                                                         shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1086
1087                                                                         # cope with a missed ping, this means you must set the pingint large enough
1088                                                                         if ($t > $tochan->{pingint}  && $t < 2 * $tochan->{pingint} ) {
1089                                                                                 $t -= $tochan->{pingint};
1090                                                                         }
1091
1092                                                                         # calc smoothed RTT a la TCP
1093                                                                         if (@{$tochan->{pingtime}} == 1) {
1094                                                                                 $tochan->{pingave} = $t;
1095                                                                         } else {
1096                                                                                 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1097                                                                         }
1098 #                                                                       my $st;
1099 #                                                                       for (@{$tochan->{pingtime}}) {
1100 #                                                                               $st += $_;
1101 #                                                                       }
1102 #                                                                       $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1103                                                                         $tochan->{nopings} = $nopings; # pump up the timer
1104                                                                 }
1105                                                         }
1106                                                 }
1107                                         }
1108                                 }
1109                         } else {
1110                                 if (eph_dup($line)) {
1111                                         dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1112                                         return;
1113                                 }
1114                                 # route down an appropriate thingy
1115                                 $self->route($to, $line);
1116                         }
1117                         return;
1118                 }
1119
1120                 if ($pcno == 75) {              # dunno but route it
1121                         my $call = $field[1];
1122                         if ($call ne $main::mycall) {
1123                                 $self->route($call, $line);
1124                         }
1125                         return;
1126                 }
1127
1128                 if ($pcno == 73) {  # WCY broadcasts
1129                         my $call = $field[1];
1130
1131                         # do some de-duping
1132                         my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1133                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1134                                 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1135                                 return;
1136                         }
1137                         @field = map { unpad($_) } @field;
1138                         if (WCY::dup($d,@field[3..7])) {
1139                                 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1140                                 return;
1141                         }
1142
1143                         my $wcy = WCY::update($d, @field[2..12]);
1144
1145                         my $rep;
1146                         eval {
1147                                 $rep = Local::wwv($self, @field[1..12]);
1148                         };
1149                         # dbg("Local::wcy error $@") if isdbg('local') if $@;
1150                         return if $rep;
1151
1152                         # broadcast to the eager world
1153                         send_wcy_spot($self, $line, $d, @field[2..12]);
1154                         return;
1155                 }
1156
1157                 if ($pcno == 84) { # remote commands (incoming)
1158                         $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1159                         return;
1160                 }
1161
1162                 if ($pcno == 85) {              # remote command replies
1163                         $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1164
1165                         return;
1166                 }
1167         }
1168
1169         # if get here then rebroadcast the thing with its Hop count decremented (if
1170         # there is one). If it has a hop count and it decrements to zero then don't
1171         # rebroadcast it.
1172         #
1173         # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1174         #        REBROADCAST!!!!
1175         #
1176
1177         if (eph_dup($line)) {
1178                 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1179         } else {
1180                 unless ($self->{isolate}) {
1181                         broadcast_ak1a($line, $self); # send it to everyone but me
1182                 }
1183         }
1184 }
1185
1186 #
1187 # This is called from inside the main cluster processing loop and is used
1188 # for despatching commands that are doing some long processing job
1189 #
1190 sub process
1191 {
1192         my $t = time;
1193         my @dxchan = DXChannel->get_all();
1194         my $dxchan;
1195         my $pc50s;
1196
1197         # send out a pc50 on EVERY channel all at once
1198         if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1199                 $pc50s = pc50($me, scalar DXChannel::get_all_users);
1200                 eph_dup($pc50s);
1201                 $last_pc50 = $t;
1202         }
1203
1204         foreach $dxchan (@dxchan) {
1205                 next unless $dxchan->is_node();
1206                 next if $dxchan == $me;
1207
1208                 # send the pc50
1209                 $dxchan->send($pc50s) if $pc50s;
1210
1211                 # send a ping out on this channel
1212                 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1213                         if ($dxchan->{nopings} <= 0) {
1214                                 $dxchan->disconnect;
1215                         } else {
1216                                 addping($main::mycall, $dxchan->call);
1217                                 $dxchan->{nopings} -= 1;
1218                                 $dxchan->{lastping} = $t;
1219                         }
1220                 }
1221         }
1222
1223         # every ten seconds
1224         if ($t - $last10 >= 10) {
1225                 # clean out ephemera
1226
1227                 eph_clean();
1228
1229                 $last10 = $t;
1230         }
1231
1232         if ($main::systime - 3600 > $last_hour) {
1233                 $last_hour = $main::systime;
1234         }
1235 }
1236
1237 #
1238 # finish up a pc context
1239 #
1240
1241 #
1242 # some active measures
1243 #
1244
1245 sub send_dx_spot
1246 {
1247         my $self = shift;
1248         my $line = shift;
1249         my @dxchan = DXChannel->get_all();
1250         my $dxchan;
1251
1252         # send it if it isn't the except list and isn't isolated and still has a hop count
1253         # taking into account filtering and so on
1254         foreach $dxchan (@dxchan) {
1255                 next if $dxchan == $me;
1256                 next if $dxchan == $self && $self->is_node;
1257                 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1258         }
1259 }
1260
1261 sub dx_spot
1262 {
1263         my $self = shift;
1264         my $line = shift;
1265         my $isolate = shift;
1266         my ($filter, $hops);
1267
1268         if ($self->{spotsfilter}) {
1269                 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1270                 return unless $filter;
1271         }
1272         send_prot_line($self, $filter, $hops, $isolate, $line);
1273 }
1274
1275 sub send_prot_line
1276 {
1277         my ($self, $filter, $hops, $isolate, $line) = @_;
1278         my $routeit;
1279
1280         if ($hops) {
1281                 $routeit = $line;
1282                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1283         } else {
1284                 $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
1285                 return unless $routeit;
1286         }
1287         if ($filter) {
1288                 $self->send($routeit);
1289         } else {
1290                 $self->send($routeit) unless $self->{isolate} || $isolate;
1291         }
1292 }
1293
1294
1295 sub send_wwv_spot
1296 {
1297         my $self = shift;
1298         my $line = shift;
1299         my @dxchan = DXChannel->get_all();
1300         my $dxchan;
1301         my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1302         my @dxcc = Prefix::extract($_[6]);
1303         if (@dxcc > 0) {
1304                 $wwv_dxcc = $dxcc[1]->dxcc;
1305                 $wwv_itu = $dxcc[1]->itu;
1306                 $wwv_cq = $dxcc[1]->cq;
1307         }
1308         @dxcc = Prefix::extract($_[7]);
1309         if (@dxcc > 0) {
1310                 $org_dxcc = $dxcc[1]->dxcc;
1311                 $org_itu = $dxcc[1]->itu;
1312                 $org_cq = $dxcc[1]->cq;
1313         }
1314
1315         # send it if it isn't the except list and isn't isolated and still has a hop count
1316         # taking into account filtering and so on
1317         foreach $dxchan (@dxchan) {
1318                 next if $dxchan == $me;
1319                 next if $dxchan == $self && $self->is_node;
1320                 my $routeit;
1321                 my ($filter, $hops);
1322
1323                 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1324         }
1325
1326 }
1327
1328 sub wwv
1329 {
1330         my $self = shift;
1331         my $line = shift;
1332         my $isolate = shift;
1333         my ($filter, $hops);
1334
1335         if ($self->{wwvfilter}) {
1336                 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1337                 return unless $filter;
1338         }
1339         send_prot_line($self, $filter, $hops, $isolate, $line)
1340 }
1341
1342 sub send_wcy_spot
1343 {
1344         my $self = shift;
1345         my $line = shift;
1346         my @dxchan = DXChannel->get_all();
1347         my $dxchan;
1348         my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1349         my @dxcc = Prefix::extract($_[10]);
1350         if (@dxcc > 0) {
1351                 $wcy_dxcc = $dxcc[1]->dxcc;
1352                 $wcy_itu = $dxcc[1]->itu;
1353                 $wcy_cq = $dxcc[1]->cq;
1354         }
1355         @dxcc = Prefix::extract($_[11]);
1356         if (@dxcc > 0) {
1357                 $org_dxcc = $dxcc[1]->dxcc;
1358                 $org_itu = $dxcc[1]->itu;
1359                 $org_cq = $dxcc[1]->cq;
1360         }
1361
1362         # send it if it isn't the except list and isn't isolated and still has a hop count
1363         # taking into account filtering and so on
1364         foreach $dxchan (@dxchan) {
1365                 next if $dxchan == $me;
1366                 next if $dxchan == $self;
1367
1368                 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1369         }
1370 }
1371
1372 sub wcy
1373 {
1374         my $self = shift;
1375         my $line = shift;
1376         my $isolate = shift;
1377         my ($filter, $hops);
1378
1379         if ($self->{wcyfilter}) {
1380                 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1381                 return unless $filter;
1382         }
1383         send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1384 }
1385
1386 # send an announce
1387 sub send_announce
1388 {
1389         my $self = shift;
1390         my $line = shift;
1391         my @dxchan = DXChannel->get_all();
1392         my $dxchan;
1393         my $target;
1394         my $to = 'To ';
1395         my $text = unpad($_[2]);
1396
1397         if ($_[3] eq '*') {     # sysops
1398                 $target = "SYSOP";
1399         } elsif ($_[3] gt ' ') { # speciality list handling
1400                 my ($name) = split /\./, $_[3];
1401                 $target = "$name"; # put the rest in later (if bothered)
1402         }
1403
1404         if ($_[5] eq '1') {
1405                 $target = "WX";
1406                 $to = '';
1407         }
1408         $target = "ALL" if !$target;
1409
1410
1411         # obtain country codes etc
1412         my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1413         my @dxcc = Prefix::extract($_[0]);
1414         if (@dxcc > 0) {
1415                 $ann_dxcc = $dxcc[1]->dxcc;
1416                 $ann_itu = $dxcc[1]->itu;
1417                 $ann_cq = $dxcc[1]->cq;
1418         }
1419         @dxcc = Prefix::extract($_[4]);
1420         if (@dxcc > 0) {
1421                 $org_dxcc = $dxcc[1]->dxcc;
1422                 $org_itu = $dxcc[1]->itu;
1423                 $org_cq = $dxcc[1]->cq;
1424         }
1425
1426         if ($self->{inannfilter}) {
1427                 my ($filter, $hops) =
1428                         $self->{inannfilter}->it(@_, $self->{call},
1429                                                                          $ann_dxcc, $ann_itu, $ann_cq,
1430                                                                          $org_dxcc, $org_itu, $org_cq);
1431                 unless ($filter) {
1432                         dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1433                         return;
1434                 }
1435         }
1436
1437         Log('ann', $target, $_[0], $text);
1438
1439         # send it if it isn't the except list and isn't isolated and still has a hop count
1440         # taking into account filtering and so on
1441         foreach $dxchan (@dxchan) {
1442                 next if $dxchan == $me;
1443                 next if $dxchan == $self && $self->is_node;
1444                 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1445         }
1446 }
1447
1448 sub announce
1449 {
1450         my $self = shift;
1451         my $line = shift;
1452         my $isolate = shift;
1453         my $to = shift;
1454         my $target = shift;
1455         my $text = shift;
1456         my ($filter, $hops);
1457
1458         if ($self->{annfilter}) {
1459                 ($filter, $hops) = $self->{annfilter}->it(@_);
1460                 return unless $filter;
1461         }
1462         send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1463 }
1464
1465
1466 sub send_local_config
1467 {
1468         my $self = shift;
1469         my $n;
1470         my @nodes;
1471         my @localnodes;
1472         my @remotenodes;
1473
1474         dbg('DXProt::send_local_config') if isdbg('trace');
1475
1476         # send our nodes
1477         if ($self->{isolate}) {
1478                 @localnodes = ( $main::routeroot );
1479         } else {
1480                 # create a list of all the nodes that are not connected to this connection
1481                 # and are not themselves isolated, this to make sure that isolated nodes
1482         # don't appear outside of this node
1483                 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1484                 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1485                 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1486                 my $ref = Route::Node::get($self->{call});
1487                 my @rnodes = $ref->nodes;
1488                 for my $n (@intcalls) {
1489                         push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1490                 }
1491                 unshift @localnodes, $main::routeroot;
1492         }
1493
1494         send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1495
1496         # get all the users connected on the above nodes and send them out
1497         foreach $n (@localnodes, @remotenodes) {
1498                 if ($n) {
1499                         send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1500                 } else {
1501                         dbg("sent a null value") if isdbg('chanerr');
1502                 }
1503         }
1504 }
1505
1506 #
1507 # route a message down an appropriate interface for a callsign
1508 #
1509 # is called route(to, pcline);
1510 #
1511 sub route
1512 {
1513         my ($self, $call, $line) = @_;
1514
1515         if (ref $self && $call eq $self->{call}) {
1516                 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1517                 return;
1518         }
1519
1520         # always send it down the local interface if available
1521         my $dxchan = DXChannel->get($call);
1522         unless ($dxchan) {
1523                 my $cl = Route::get($call);
1524                 $dxchan = $cl->dxchan if $cl;
1525                 if (ref $dxchan) {
1526                         if (ref $self && $dxchan eq $self) {
1527                                 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1528                                 return;
1529                         }
1530                 }
1531         }
1532         if ($dxchan) {
1533                 my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name
1534                 if ($routeit) {
1535                         $dxchan->send($routeit) unless $dxchan == $me;
1536                 }
1537         } else {
1538                 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1539         }
1540 }
1541
1542 # broadcast a message to all clusters taking into account isolation
1543 # [except those mentioned after buffer]
1544 sub broadcast_ak1a
1545 {
1546         my $s = shift;                          # the line to be rebroadcast
1547         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1548         my @dxchan = DXChannel::get_all_nodes();
1549         my $dxchan;
1550
1551         # send it if it isn't the except list and isn't isolated and still has a hop count
1552         foreach $dxchan (@dxchan) {
1553                 next if grep $dxchan == $_, @except;
1554                 next if $dxchan == $me;
1555
1556                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1557                 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1558         }
1559 }
1560
1561 # broadcast a message to all clusters ignoring isolation
1562 # [except those mentioned after buffer]
1563 sub broadcast_all_ak1a
1564 {
1565         my $s = shift;                          # the line to be rebroadcast
1566         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1567         my @dxchan = DXChannel::get_all_nodes();
1568         my $dxchan;
1569
1570         # send it if it isn't the except list and isn't isolated and still has a hop count
1571         foreach $dxchan (@dxchan) {
1572                 next if grep $dxchan == $_, @except;
1573                 next if $dxchan == $me;
1574
1575                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1576                 $dxchan->send($routeit);
1577         }
1578 }
1579
1580 # broadcast to all users
1581 # storing the spot or whatever until it is in a state to receive it
1582 sub broadcast_users
1583 {
1584         my $s = shift;                          # the line to be rebroadcast
1585         my $sort = shift;           # the type of transmission
1586         my $fref = shift;           # a reference to an object to filter on
1587         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1588         my @dxchan = DXChannel::get_all_users();
1589         my $dxchan;
1590         my @out;
1591
1592         foreach $dxchan (@dxchan) {
1593                 next if grep $dxchan == $_, @except;
1594                 push @out, $dxchan;
1595         }
1596         broadcast_list($s, $sort, $fref, @out);
1597 }
1598
1599 # broadcast to a list of users
1600 sub broadcast_list
1601 {
1602         my $s = shift;
1603         my $sort = shift;
1604         my $fref = shift;
1605         my $dxchan;
1606
1607         foreach $dxchan (@_) {
1608                 my $filter = 1;
1609                 next if $dxchan == $me;
1610
1611                 if ($sort eq 'dx') {
1612                     next unless $dxchan->{dx};
1613                         ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1614                         next unless $filter;
1615                 }
1616                 next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
1617                 next if $sort eq 'wwv' && !$dxchan->{wwv};
1618                 next if $sort eq 'wcy' && !$dxchan->{wcy};
1619                 next if $sort eq 'wx' && !$dxchan->{wx};
1620
1621                 $s =~ s/\a//og unless $dxchan->{beep};
1622
1623                 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1624                         $dxchan->send($s);
1625                 } else {
1626                         $dxchan->delay($s);
1627                 }
1628         }
1629 }
1630
1631
1632 #
1633 # obtain the hops from the list for this callsign and pc no
1634 #
1635
1636 sub get_hops
1637 {
1638         my $pcno = shift;
1639         my $hops = $DXProt::hopcount{$pcno};
1640         $hops = $DXProt::def_hopcount if !$hops;
1641         return "H$hops";
1642 }
1643
1644 #
1645 # adjust the hop count on a per node basis using the user loadable
1646 # hop table if available or else decrement an existing one
1647 #
1648
1649 sub adjust_hops
1650 {
1651         my $self = shift;
1652         my $s = shift;
1653         my $call = $self->{call};
1654         my $hops;
1655
1656         if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1657                 my ($pcno) = $s =~ /^PC(\d\d)/o;
1658                 confess "$call called adjust_hops with '$s'" unless $pcno;
1659                 my $ref = $nodehops{$call} if %nodehops;
1660                 if ($ref) {
1661                         my $newhops = $ref->{$pcno};
1662                         return "" if defined $newhops && $newhops == 0;
1663                         $newhops = $ref->{default} unless $newhops;
1664                         return "" if defined $newhops && $newhops == 0;
1665                         $newhops = $hops if !$newhops;
1666                         $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1667                 } else {
1668                         # simply decrement it
1669                         $hops--;
1670                         return "" if !$hops;
1671                         $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1672                 }
1673         }
1674         return $s;
1675 }
1676
1677 #
1678 # load hop tables
1679 #
1680 sub load_hops
1681 {
1682         my $self = shift;
1683         return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1684         do "$main::data/hop_table.pl";
1685         return $@ if $@;
1686         return 0;
1687 }
1688
1689
1690 # add a ping request to the ping queues
1691 sub addping
1692 {
1693         my ($from, $to) = @_;
1694         my $ref = $pings{$to} || [];
1695         my $r = {};
1696         $r->{call} = $from;
1697         $r->{t} = [ gettimeofday ];
1698         route(undef, $to, pc51($to, $main::mycall, 1));
1699         push @$ref, $r;
1700         $pings{$to} = $ref;
1701 }
1702
1703 sub process_rcmd
1704 {
1705         my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1706         if ($tonode eq $main::mycall) {
1707                 my $ref = DXUser->get_current($fromnode);
1708                 my $cref = Route::Node::get($fromnode);
1709                 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1710                 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1711                         if ($ref->{priv}) {             # you have to have SOME privilege, the commands have further filtering
1712                                 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1713                                 my $oldpriv = $self->{priv};
1714                                 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1715                                 my @in = (DXCommandmode::run_cmd($self, $cmd));
1716                                 $self->{priv} = $oldpriv;
1717                                 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1718                                 delete $self->{remotecmd};
1719                         } else {
1720                                 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1721                         }
1722                 } else {
1723                         $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1724                 }
1725         } else {
1726                 my $ref = DXUser->get_current($tonode);
1727                 if ($ref && $ref->is_clx) {
1728                         $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1729                 } else {
1730                         $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1731                 }
1732         }
1733 }
1734
1735 sub process_rcmd_reply
1736 {
1737         my ($self, $tonode, $fromnode, $user, $line) = @_;
1738         if ($tonode eq $main::mycall) {
1739                 my $s = $rcmds{$fromnode};
1740                 if ($s) {
1741                         my $dxchan = DXChannel->get($s->{call});
1742                         my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1743                         $ref->send($line) if $ref;
1744                         delete $rcmds{$fromnode} if !$dxchan;
1745                 } else {
1746                         # send unsolicited ones to the sysop
1747                         my $dxchan = DXChannel->get($main::myalias);
1748                         $dxchan->send($line) if $dxchan;
1749                 }
1750         } else {
1751                 my $ref = DXUser->get_current($tonode);
1752                 if ($ref && $ref->is_clx) {
1753                         $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1754                 } else {
1755                         $self->route($tonode, pc35($fromnode, $tonode, $line));
1756                 }
1757         }
1758 }
1759
1760 sub send_rcmd_reply
1761 {
1762         my $self = shift;
1763         my $tonode = shift;
1764         my $fromnode = shift;
1765         my $user = shift;
1766         while (@_) {
1767                 my $line = shift;
1768                 $line =~ s/\s*$//;
1769                 Log('rcmd', 'out', $fromnode, $line);
1770                 if ($self->is_clx) {
1771                         $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1772                 } else {
1773                         $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1774                 }
1775         }
1776 }
1777
1778 # add a rcmd request to the rcmd queues
1779 sub addrcmd
1780 {
1781         my ($self, $to, $cmd) = @_;
1782
1783         my $r = {};
1784         $r->{call} = $self->{call};
1785         $r->{t} = $main::systime;
1786         $r->{cmd} = $cmd;
1787         $rcmds{$to} = $r;
1788
1789         my $ref = Route::Node::get($to);
1790         my $dxchan = $ref->dxchan;
1791         if ($dxchan && $dxchan->is_clx) {
1792                 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1793         } else {
1794                 route(undef, $to, pc34($main::mycall, $to, $cmd));
1795         }
1796 }
1797
1798 sub disconnect
1799 {
1800         my $self = shift;
1801         my $pc39flag = shift;
1802         my $call = $self->call;
1803
1804         return if $self->{disconnecting}++;
1805
1806         unless ($pc39flag && $pc39flag == 1) {
1807                 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1808         }
1809
1810         # do routing stuff
1811         my $node = Route::Node::get($call);
1812         my @rout;
1813         if ($node) {
1814                 @rout = $node->del($main::routeroot);
1815         }
1816
1817         # unbusy and stop and outgoing mail
1818         my $mref = DXMsg::get_busy($call);
1819         $mref->stop_msg($call) if $mref;
1820
1821         # broadcast to all other nodes that all the nodes connected to via me are gone
1822         unless ($pc39flag && $pc39flag == 2) {
1823                 $self->route_pc21(@rout) if @rout;
1824         }
1825
1826         # remove outstanding pings
1827         delete $pings{$call};
1828
1829         # I was the last node visited
1830     $self->user->node($main::mycall);
1831
1832         # send info to all logged in thingies
1833         $self->tell_login('logoutn');
1834
1835         Log('DXProt', $call . " Disconnected");
1836
1837         $self->SUPER::disconnect;
1838 }
1839
1840
1841 #
1842 # send a talk message to this thingy
1843 #
1844 sub talk
1845 {
1846         my ($self, $from, $to, $via, $line, $origin) = @_;
1847
1848         $line =~ s/\^/\\5E/g;                   # remove any ^ characters
1849         $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
1850         Log('talk', $self->call, $from, $via?$via:$main::mycall, $line) unless $origin && $origin ne $main::mycall;
1851 }
1852
1853 # send it if it isn't the except list and isn't isolated and still has a hop count
1854 # taking into account filtering and so on
1855 sub send_route
1856 {
1857         my $self = shift;
1858         my $generate = shift;
1859         my $no = shift;     # the no of things to filter on
1860         my $routeit;
1861         my ($filter, $hops);
1862         my @rin;
1863
1864         for (; @_ && $no; $no--) {
1865                 my $r = shift;
1866
1867                 if (!$self->{isolate} && $self->{routefilter}) {
1868                         $filter = undef;
1869                         if ($r) {
1870                                 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1871                                 if ($filter) {
1872                                         push @rin, $r;
1873                                 } else {
1874                                         dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1875                                 }
1876                         } else {
1877                                 dbg("was sent a null value") if isdbg('chanerr');
1878                         }
1879                 } else {
1880                         push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1881                 }
1882         }
1883         if (@rin) {
1884                 foreach my $line (&$generate(@rin, @_)) {
1885                         if ($hops) {
1886                                 $routeit = $line;
1887                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1888                         } else {
1889                                 $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
1890                                 next unless $routeit;
1891                         }
1892                         $self->send($routeit);
1893                 }
1894         }
1895 }
1896
1897 sub broadcast_route
1898 {
1899         my $self = shift;
1900         my $generate = shift;
1901         my @dxchan = DXChannel::get_all_nodes();
1902         my $dxchan;
1903         my $line;
1904
1905         unless ($self->{isolate}) {
1906                 foreach $dxchan (@dxchan) {
1907                         next if $dxchan == $self;
1908                         next if $dxchan == $me;
1909                         $dxchan->send_route($generate, @_);
1910                 }
1911         }
1912 }
1913
1914 sub route_pc16
1915 {
1916         my $self = shift;
1917         broadcast_route($self, \&pc16, 1, @_);
1918 }
1919
1920 sub route_pc17
1921 {
1922         my $self = shift;
1923         broadcast_route($self, \&pc17, 1, @_);
1924 }
1925
1926 sub route_pc19
1927 {
1928         my $self = shift;
1929         broadcast_route($self, \&pc19, scalar @_, @_);
1930 }
1931
1932 sub route_pc21
1933 {
1934         my $self = shift;
1935         broadcast_route($self, \&pc21, scalar @_, @_);
1936 }
1937
1938 sub route_pc24
1939 {
1940         my $self = shift;
1941         broadcast_route($self, \&pc24, 1, @_);
1942 }
1943
1944 sub route_pc41
1945 {
1946         my $self = shift;
1947         broadcast_route($self, \&pc41, 1, @_);
1948 }
1949
1950 sub route_pc50
1951 {
1952         my $self = shift;
1953         broadcast_route($self, \&pc50, 1, @_);
1954 }
1955
1956 sub in_filter_route
1957 {
1958         my $self = shift;
1959         my $r = shift;
1960         my ($filter, $hops) = (1, 1);
1961
1962         if ($self->{inroutefilter}) {
1963                 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1964                 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1965         }
1966         return $filter;
1967 }
1968
1969 sub eph_dup
1970 {
1971         my $s = shift;
1972         my $r;
1973
1974         # chop the end off
1975         $s =~ s/\^H\d\d?\^?\~?$//;
1976         $r = 1 if exists $eph{$s};    # pump up the dup if it keeps circulating
1977         $eph{$s} = $main::systime;
1978         return $r;
1979 }
1980
1981 sub eph_del_regex
1982 {
1983         my $regex = shift;
1984         my ($key, $val);
1985         while (($key, $val) = each %eph) {
1986                 if ($key =~ m{$regex}) {
1987                         delete $eph{$key};
1988                 }
1989         }
1990 }
1991
1992 sub eph_clean
1993 {
1994         my ($key, $val);
1995
1996         while (($key, $val) = each %eph) {
1997                 if ($main::systime - $val > 180) {
1998                         delete $eph{$key};
1999                 }
2000         }
2001 }
2002
2003 1;
2004 __END__