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