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