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