perl/DXCommandmode.pm

   1 #!/usr/bin/perl
   2 #
   3 # This module impliments the user facing command mode for a dx cluster
   4 #
   5 # Copyright (c) 1998 Dirk Koopman G1TLH
   6 #
   7 # $Id$
   8 #
   9
  10 package DXCommandmode;
  11
  12 use POSIX;
  13
  14 @ISA = qw(DXChannel);
  15
  16 use DXUtil;
  17 use DXChannel;
  18 use DXUser;
  19 use DXVars;
  20 use DXDebug;
  21 use DXM;
  22 use DXLog;
  23 use DXLogPrint;
  24 use DXBearing;
  25 use CmdAlias;
  26 use Filter;
  27 use Minimuf;
  28 use DXDb;
  29 use AnnTalk;
  30 use WCY;
  31 use Sun;
  32 use Internet;
  33 use Script;
  34
  35
  36 use strict;
  37 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase $maxerrors %nothereslug $maxbadcount);
  38
  39 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  40 %cmd_cache = ();                                # cache of short names
  41 $errstr = ();                                   # error string from eval
  42 %aliases = ();                                  # aliases for (parts of) commands
  43 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  44 $maxerrors = 20;                                # the maximum number of concurrent errors allowed before disconnection
  45 $maxbadcount = 3;                               # no of bad words allowed before disconnection
  46
  47
  48 use vars qw($VERSION $BRANCH);
  49 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
  50 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
  51 $main::build += $VERSION;
  52 $main::branch += $BRANCH;
  53
  54 #
  55 # obtain a new connection this is derived from dxchannel
  56 #
  57
  58 sub new
  59 {
  60         my $self = DXChannel::alloc(@_);
  61
  62         # routing, this must go out here to prevent race condx
  63         my $pkg = shift;
  64         my $call = shift;
  65         my @rout = $main::routeroot->add_user($call, Route::here(1));
  66         DXProt::route_pc16($main::me, $main::routeroot, @rout) if @rout;
  67
  68         return $self;
  69 }
  70
  71 # this is how a a connection starts, you get a hello message and the motd with
  72 # possibly some other messages asking you to set various things up if you are
  73 # new (or nearly new and slacking) user.
  74
  75 sub start
  76 {
  77         my ($self, $line, $sort) = @_;
  78         my $user = $self->{user};
  79         my $call = $self->{call};
  80         my $name = $user->{name};
  81
  82         # log it
  83         my $host = $self->{conn}->{peerhost} || "unknown";
  84         Log('DXCommand', "$call connected from $host");
  85
  86         $self->{name} = $name ? $name : $call;
  87         $self->send($self->msg('l2',$self->{name}));
  88         $self->send_file($main::motd) if (-e $main::motd);
  89         $self->state('prompt');         # a bit of room for further expansion, passwords etc
  90         $self->{priv} = $user->priv || 0;
  91         $self->{lang} = $user->lang || $main::lang || 'en';
  92         $self->{pagelth} = $user->pagelth || 20;
  93         $self->{priv} = 0 if $line =~ /^(ax|te)/; # set the connection priv to 0 - can be upgraded later
  94         ($self->{width}) = $line =~ /width=(\d+)/;
  95         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
  96         $self->{consort} = $line;       # save the connection type
  97
  98         # set some necessary flags on the user if they are connecting
  99         $self->{beep} = $user->wantbeep;
 100         $self->{ann} = $user->wantann;
 101         $self->{wwv} = $user->wantwwv;
 102         $self->{wcy} = $user->wantwcy;
 103         $self->{talk} = $user->wanttalk;
 104         $self->{wx} = $user->wantwx;
 105         $self->{dx} = $user->wantdx;
 106         $self->{logininfo} = $user->wantlogininfo;
 107         $self->{ann_talk} = $user->wantann_talk;
 108         $self->{here} = 1;
 109
 110         # get the filters
 111         $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'user_default', 0);
 112         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'user_default', 0);
 113         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'user_default', 0);
 114         $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'user_default', 0) ;
 115
 116         # clean up qra locators
 117         my $qra = $user->qra;
 118         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 119         unless ($qra) {
 120                 my $lat = $user->lat;
 121                 my $long = $user->long;
 122                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 123         }
 124
 125         # decide on echo
 126         if (!$user->wantecho) {
 127                 $self->send_now('E', "0");
 128                 $self->send($self->msg('echow'));
 129         }
 130
 131         $self->tell_login('loginu');
 132
 133         # do we need to send a forward/opernam?
 134         my $lastoper = $user->lastoper || 0;
 135         my $homenode = $user->homenode || "";
 136         if ($homenode eq $main::mycall && $lastoper + $DXUser::lastoperinterval < $main::systime) {
 137                 run_cmd($main::me, "forward/opernam $call");
 138                 $user->lastoper($main::systime);
 139         }
 140
 141         # run a script send the output to the punter
 142         my $script = new Script(lc $call) || new Script('user_default');
 143         $script->run($self) if $script;
 144
 145         # send cluster info
 146         my $info = Route::cluster();
 147         $self->send("Cluster:$info");
 148
 149         # send prompts and things
 150         $self->send($self->msg('namee1')) if !$user->name;
 151         $self->send($self->msg('qthe1')) if !$user->qth;
 152         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 153         $self->send($self->msg('hnodee1')) if !$user->qth;
 154         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 155         $self->prompt;
 156 }
 157
 158 #
 159 # This is the normal command prompt driver
 160 #
 161
 162 sub normal
 163 {
 164         my $self = shift;
 165         my $cmdline = shift;
 166         my @ans;
 167
 168         # remove leading and trailing spaces
 169         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 170
 171         if ($self->{state} eq 'page') {
 172                 my $i = $self->{pagelth};
 173                 my $ref = $self->{pagedata};
 174                 my $tot = @$ref;
 175
 176                 # abort if we get a line starting in with a
 177                 if ($cmdline =~ /^a/io) {
 178                         undef $ref;
 179                         $i = 0;
 180                 }
 181
 182                 # send a tranche of data
 183                 while ($i-- > 0 && @$ref) {
 184                         my $line = shift @$ref;
 185                         $line =~ s/\s+$//o;     # why am having to do this?
 186                         $self->send($line);
 187                 }
 188
 189                 # reset state if none or else chuck out an intermediate prompt
 190                 if ($ref && @$ref) {
 191                         $tot -= $self->{pagelth};
 192                         $self->send($self->msg('page', $tot));
 193                 } else {
 194                         $self->state('prompt');
 195                 }
 196         } elsif ($self->{state} eq 'sysop') {
 197                 my $passwd = $self->{user}->passwd;
 198                 my @pw = split / */, $passwd;
 199                 if ($passwd) {
 200                         my @l = @{$self->{passwd}};
 201                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 202                         if ($cmdline =~ /$str/) {
 203                                 $self->{priv} = $self->{user}->priv;
 204                         } else {
 205                                 $self->send($self->msg('sorry'));
 206                         }
 207                 } else {
 208                         $self->send($self->msg('sorry'));
 209                 }
 210                 delete $self->{passwd};
 211                 $self->state('prompt');
 212         } elsif ($self->{state} eq 'talk') {
 213                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 214                         for (@{$self->{talklist}}) {
 215                                 $self->send_talks($_,  $self->msg('talkend'));
 216                         }
 217                         $self->state('prompt');
 218                         delete $self->{talklist};
 219                 } elsif ($cmdline =~ m(^/\w+)) {
 220                         $cmdline =~ s(^/)();
 221                         $self->send_ans(run_cmd($self, $cmdline));
 222                         $self->send($self->talk_prompt);
 223                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 224                         # send what has been said to whoever is in this person's talk list
 225                         my @bad;
 226                         if (@bad = BadWords::check($cmdline)) {
 227                                 $self->badcount(($self->badcount||0) + @bad);
 228                                 Log('DXCommand', "$self->{call} swore: $cmdline");
 229                         } else {
 230                                 for (@{$self->{talklist}}) {
 231                                         $self->send_talks($_, $cmdline);
 232                                 }
 233                         }
 234                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 235                 } else {
 236                         # for safety
 237                         $self->state('prompt');
 238                 }
 239         } elsif (my $func = $self->{func}) {
 240                 no strict 'refs';
 241                 my @ans;
 242                 if (ref $self->{edit}) {
 243                         eval { @ans = $self->{edit}->$func($self, $cmdline)};
 244                 } else {
 245                         eval {  @ans = &{$self->{func}}($self, $cmdline) };
 246                 }
 247                 $self->send_ans("Syserr: on stored func $self->{func}", $@) if $@;
 248                 $self->send_ans(@ans);
 249         } else {
 250                 $self->send_ans(run_cmd($self, $cmdline));
 251         }
 252
 253         # check for excessive swearing
 254         if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
 255                 Log('DXCommand', "$self->{call} logged out for excessive swearing");
 256                 $self->disconnect;
 257                 return;
 258         }
 259
 260         # send a prompt only if we are in a prompt state
 261         $self->prompt() if $self->{state} =~ /^prompt/o;
 262 }
 263
 264 # send out the talk messages taking into account vias and connectivity
 265 sub send_talks
 266 {
 267         my ($self, $ent, $line) = @_;
 268
 269         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 270         $to = $ent unless $to;
 271         my $call = $via ? $via : $to;
 272         my $clref = Route::get($call);
 273         my $dxchan = $clref->dxchan if $clref;
 274         if ($dxchan) {
 275                 $dxchan->talk($self->{call}, $to, $via, $line);
 276         } else {
 277                 $self->send($self->msg('disc2', $via ? $via : $to));
 278                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 279                 if (@l) {
 280                         $self->{talklist} = \@l;
 281                 } else {
 282                         delete $self->{talklist};
 283                         $self->state('prompt');
 284                 }
 285         }
 286 }
 287
 288 sub talk_prompt
 289 {
 290         my $self = shift;
 291         my @call;
 292         for (@{$self->{talklist}}) {
 293                 my ($to, $via) = /(\S+)>(\S+)/;
 294                 $to = $_ unless $to;
 295                 push @call, $to;
 296         }
 297         return $self->msg('talkprompt', join(',', @call));
 298 }
 299
 300 #
 301 # send a load of stuff to a command user with page prompting
 302 # and stuff
 303 #
 304
 305 sub send_ans
 306 {
 307         my $self = shift;
 308
 309         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 310                 my $i;
 311                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 312                         my $line = shift @_;
 313                         $line =~ s/\s+$//o;     # why am having to do this?
 314                         $self->send($line);
 315                 }
 316                 $self->{pagedata} =  [ @_ ];
 317                 $self->state('page');
 318                 $self->send($self->msg('page', scalar @_));
 319         } else {
 320                 for (@_) {
 321                         if (defined $_) {
 322                                 $self->send($_);
 323                         } else {
 324                                 $self->send('');
 325                         }
 326                 }
 327         }
 328 }
 329 #
 330 # this is the thing that runs the command, it is done like this for the
 331 # benefit of remote command execution
 332 #
 333
 334 sub run_cmd
 335 {
 336         my $self = shift;
 337         my $user = $self->{user};
 338         my $call = $self->{call};
 339         my $cmdline = shift;
 340         my @ans;
 341
 342
 343         return () if length $cmdline == 0;
 344
 345         # strip out //
 346         $cmdline =~ s|//|/|og;
 347
 348         # split the command line up into parts, the first part is the command
 349         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 350         $args = "" unless defined $args;
 351
 352         if ($cmd) {
 353
 354                 my ($path, $fcmd);
 355
 356                 dbg("cmd: $cmd") if isdbg('command');
 357
 358                 # alias it if possible
 359                 my $acmd = CmdAlias::get_cmd($cmd);
 360                 if ($acmd) {
 361                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 362                         $args = "" unless defined $args;
 363                         dbg("aliased cmd: $cmd $args") if isdbg('command');
 364                 }
 365
 366                 # first expand out the entry to a command
 367                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 368                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 369
 370                 if ($path && $cmd) {
 371                         dbg("path: $cmd cmd: $fcmd") if isdbg('command');
 372
 373                         my $package = find_cmd_name($path, $fcmd);
 374                         return ($@) if $@;
 375
 376                         if ($package) {
 377                                 no strict 'refs';
 378                                 dbg("package: $package") if isdbg('command');
 379                                 eval { @ans = &$package($self, $args) };
 380                                 return (DXDebug::shortmess($@)) if $@;
 381                         }
 382                 } else {
 383                         dbg("cmd: $cmd not found") if isdbg('command');
 384                         if (++$self->{errors} > $maxerrors) {
 385                                 $self->send($self->msg('e26'));
 386                                 $self->disconnect;
 387                                 return ();
 388                         } else {
 389                                 return ($self->msg('e1'));
 390                         }
 391                 }
 392         }
 393
 394         my $ok = shift @ans;
 395         if ($ok) {
 396                 delete $self->{errors};
 397         } else {
 398                 if (++$self->{errors} > $maxerrors) {
 399                         $self->send($self->msg('e26'));
 400                         $self->disconnect;
 401                         return ();
 402                 }
 403         }
 404         return (@ans);
 405 }
 406
 407 #
 408 # This is called from inside the main cluster processing loop and is used
 409 # for despatching commands that are doing some long processing job
 410 #
 411 sub process
 412 {
 413         my $t = time;
 414         my @dxchan = DXChannel->get_all();
 415         my $dxchan;
 416
 417         foreach $dxchan (@dxchan) {
 418                 next if $dxchan->sort ne 'U';
 419
 420                 # send a prompt if no activity out on this channel
 421                 if ($t >= $dxchan->t + $main::user_interval) {
 422                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 423                         $dxchan->t($t);
 424                 }
 425         }
 426
 427         while (my ($k, $v) = each %nothereslug) {
 428                 if ($main::systime >= $v + 300) {
 429                         delete $nothereslug{$k};
 430                 }
 431         }
 432 }
 433
 434 #
 435 # finish up a user context
 436 #
 437 sub disconnect
 438 {
 439         my $self = shift;
 440         my $call = $self->call;
 441
 442         return if $self->{disconnecting}++;
 443
 444         delete $self->{senddbg};
 445
 446         my $uref = Route::User::get($call);
 447         my @rout;
 448         if ($uref) {
 449                 @rout = $main::routeroot->del_user($uref);
 450                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 451         } else {
 452                 confess "trying to disconnect a non existant user $call";
 453         }
 454
 455         # issue a pc17 to everybody interested
 456         DXProt::route_pc17($main::me, $main::routeroot, @rout) if @rout;
 457
 458         # I was the last node visited
 459     $self->user->node($main::mycall);
 460
 461         # send info to all logged in thingies
 462         $self->tell_login('logoutu');
 463
 464         Log('DXCommand', "$call disconnected");
 465
 466         $self->SUPER::disconnect;
 467 }
 468
 469 #
 470 # short cut to output a prompt
 471 #
 472
 473 sub prompt
 474 {
 475         my $self = shift;
 476         $self->send($self->msg($self->here ? 'pr' : 'pr2', $self->call, cldate($main::systime), ztime($main::systime)));
 477 }
 478
 479 # broadcast a message to all users [except those mentioned after buffer]
 480 sub broadcast
 481 {
 482         my $pkg = shift;                        # ignored
 483         my $s = shift;                          # the line to be rebroadcast
 484
 485     foreach my $dxchan (DXChannel->get_all()) {
 486                 next unless $dxchan->{sort} eq 'U'; # only interested in user channels
 487                 next if grep $dxchan == $_, @_;
 488                 $dxchan->send($s);                      # send it
 489         }
 490 }
 491
 492 # gimme all the users
 493 sub get_all
 494 {
 495         return grep {$_->{sort} eq 'U'} DXChannel->get_all();
 496 }
 497
 498 # run a script for this user
 499 sub run_script
 500 {
 501         my $self = shift;
 502         my $silent = shift || 0;
 503
 504 }
 505
 506 #
 507 # search for the command in the cache of short->long form commands
 508 #
 509
 510 sub search
 511 {
 512         my ($path, $short_cmd, $suffix) = @_;
 513         my ($apath, $acmd);
 514
 515         # commands are lower case
 516         $short_cmd = lc $short_cmd;
 517         dbg("command: $path $short_cmd\n") if isdbg('command');
 518
 519         # do some checking for funny characters
 520         return () if $short_cmd =~ /\/$/;
 521
 522         # return immediately if we have it
 523         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 524         if ($apath && $acmd) {
 525                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 526                 return ($apath, $acmd);
 527         }
 528
 529         # if not guess
 530         my @parts = split '/', $short_cmd;
 531         my $dirfn;
 532         my $curdir = $path;
 533         my $p;
 534         my $i;
 535         my @lparts;
 536
 537         for ($i = 0; $i < @parts; $i++) {
 538                 my  $p = $parts[$i];
 539                 opendir(D, $curdir) or confess "can't open $curdir $!";
 540                 my @ls = readdir D;
 541                 closedir D;
 542                 my $l;
 543                 foreach $l (sort @ls) {
 544                         next if $l =~ /^\./;
 545                         if ($i < $#parts) {             # we are dealing with directories
 546                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 547                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 548                                         $dirfn .= "$l/";
 549                                         $curdir .= "/$l";
 550                                         last;
 551                                 }
 552                         } else {                        # we are dealing with commands
 553                                 @lparts = split /\./, $l;
 554                                 next if $lparts[$#lparts] ne $suffix;        # only look for .$suffix files
 555                                 if ($p eq substr($l, 0, length $p)) {
 556                                         pop @lparts; #  remove the suffix
 557                                         $l = join '.', @lparts;
 558                                         #                 chop $dirfn;               # remove trailing /
 559                                         $dirfn = "" unless $dirfn;
 560                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 561                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 562                                         return ($path, "$dirfn$l");
 563                                 }
 564                         }
 565                 }
 566         }
 567         return ();
 568 }
 569
 570 # clear the command name cache
 571 sub clear_cmd_cache
 572 {
 573         no strict 'refs';
 574
 575         for (keys %Cache) {
 576                 undef *{$_};
 577                 dbg("Undefining cmd $_") if isdbg('command');
 578         }
 579         %cmd_cache = ();
 580         %Cache = ();
 581 }
 582
 583 #
 584 # the persistant execution of things from the command directories
 585 #
 586 #
 587 # This allows perl programs to call functions dynamically
 588 #
 589 # This has been nicked directly from the perlembed pages
 590 #
 591
 592 #require Devel::Symdump;
 593
 594 sub valid_package_name {
 595         my($string) = @_;
 596         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 597
 598         $string =~ s|/|_|g;
 599         return "cmd_$string";
 600 }
 601
 602 #
 603 # this bit of magic finds a command in the offered directory
 604 sub find_cmd_name {
 605         my $path = shift;
 606         my $cmdname = shift;
 607         my $package = valid_package_name($cmdname);
 608         my $filename = "$path/$cmdname.pl";
 609         my $mtime = -M $filename;
 610
 611         # return if we can't find it
 612         $errstr = undef;
 613         unless (defined $mtime) {
 614                 $errstr = DXM::msg('e1');
 615                 return undef;
 616         }
 617
 618         if(defined $Cache{$package}->{mtime} &&$Cache{$package}->{mtime} <= $mtime) {
 619                 #we have compiled this subroutine already,
 620                 #it has not been updated on disk, nothing left to do
 621                 #print STDERR "already compiled $package->handler\n";
 622                 ;
 623         } else {
 624
 625                 my $sub = readfilestr($filename);
 626                 unless ($sub) {
 627                         $errstr = "Syserr: can't open '$filename' $!";
 628                         return undef;
 629                 };
 630
 631                 #wrap the code into a subroutine inside our unique package
 632                 my $eval = qq( sub $package { $sub } );
 633
 634                 if (isdbg('eval')) {
 635                         my @list = split /\n/, $eval;
 636                         my $line;
 637                         for (@list) {
 638                                 dbg($_ . "\n") if isdbg('eval');
 639                         }
 640                 }
 641
 642                 # get rid of any existing sub and try to compile the new one
 643                 no strict 'refs';
 644
 645                 if (exists $Cache{$package}) {
 646                         dbg("Redefining $package") if isdbg('command');
 647                         undef *$package;
 648                 } else {
 649                         dbg("Defining $package") if isdbg('command');
 650                 }
 651                 eval $eval;
 652
 653                 $Cache{$package} = {mtime => $mtime };
 654
 655         }
 656
 657         return $package;
 658 }
 659
 660 sub local_send
 661 {
 662         my ($self, $let, $buf) = @_;
 663         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') {
 664                 if ($self->{enhanced}) {
 665                         $self->send_later($let, $buf);
 666                 } else {
 667                         $self->send($buf);
 668                 }
 669         } else {
 670                 $self->delay($buf);
 671         }
 672 }
 673
 674 # send a talk message here
 675 sub talk
 676 {
 677         my ($self, $from, $to, $via, $line) = @_;
 678         $line =~ s/\\5E/\^/g;
 679         $self->local_send('T', "$to de $from: $line") if $self->{talk};
 680         Log('talk', $to, $from, $main::mycall, $line);
 681         # send a 'not here' message if required
 682         unless ($self->{here} && $from ne $to) {
 683                 my $key = "$to$from";
 684                 unless (exists $nothereslug{$key}) {
 685                         my ($ref, $dxchan);
 686                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 687                                 my $name = $self->user->name || $to;
 688                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 689                                 $nothereslug{$key} = $main::systime;
 690                                 $dxchan->talk($to, $from, undef, $s);
 691                         }
 692                 }
 693         }
 694 }
 695
 696 # send an announce
 697 sub announce
 698 {
 699         my $self = shift;
 700         my $line = shift;
 701         my $isolate = shift;
 702         my $to = shift;
 703         my $target = shift;
 704         my $text = shift;
 705         my ($filter, $hops);
 706
 707         if (!$self->{ann_talk} && $to ne $self->{call}) {
 708                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 709                 return if $call;
 710         }
 711
 712         if ($self->{annfilter}) {
 713                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 714                 return unless $filter;
 715         }
 716
 717         unless ($self->{ann}) {
 718                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 719         }
 720         return if $target eq 'SYSOP' && $self->{priv} < 5;
 721         my $buf = "$to$target de $_[0]: $text";
 722         $buf =~ s/\%5E/^/g;
 723         $buf .= "\a\a" if $self->{beep};
 724         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 725 }
 726
 727 # send a dx spot
 728 sub dx_spot
 729 {
 730         my $self = shift;
 731         my $line = shift;
 732         my $isolate = shift;
 733         my ($filter, $hops);
 734
 735         return unless $self->{dx};
 736
 737         if ($self->{spotsfilter}) {
 738                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
 739                 return unless $filter;
 740         }
 741
 742         my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
 743         $buf .= "\a\a" if $self->{beep};
 744         $buf =~ s/\%5E/^/g;
 745         $self->local_send('X', $buf);
 746 }
 747
 748 sub wwv
 749 {
 750         my $self = shift;
 751         my $line = shift;
 752         my $isolate = shift;
 753         my ($filter, $hops);
 754
 755         return unless $self->{wwv};
 756
 757         if ($self->{wwvfilter}) {
 758                 ($filter, $hops) = $self->{wwvfilter}->it(@_ );
 759                 return unless $filter;
 760         }
 761
 762         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
 763         $buf .= "\a\a" if $self->{beep};
 764         $self->local_send('V', $buf);
 765 }
 766
 767 sub wcy
 768 {
 769         my $self = shift;
 770         my $line = shift;
 771         my $isolate = shift;
 772         my ($filter, $hops);
 773
 774         return unless $self->{wcy};
 775
 776         if ($self->{wcyfilter}) {
 777                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
 778                 return unless $filter;
 779         }
 780
 781         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
 782         $buf .= "\a\a" if $self->{beep};
 783         $self->local_send('Y', $buf);
 784 }
 785
 786 # broadcast debug stuff to all interested parties
 787 sub broadcast_debug
 788 {
 789         my $s = shift;                          # the line to be rebroadcast
 790
 791         foreach my $dxchan (DXChannel->get_all) {
 792                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
 793                 $dxchan->send_later('L', $s);
 794         }
 795 }
 796
 797
 798 1;
 799 __END__