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 #
   8 #
   9
  10 package DXCommandmode;
  11
  12 #use POSIX;
  13
  14 @ISA = qw(DXChannel);
  15
  16 use 5.10.1;
  17
  18 use POSIX qw(:math_h);
  19 use DXUtil;
  20 use DXChannel;
  21 use DXUser;
  22 use DXVars;
  23 use DXDebug;
  24 use DXM;
  25 use DXLog;
  26 use DXLogPrint;
  27 use DXBearing;
  28 use CmdAlias;
  29 use Filter;
  30 use Minimuf;
  31 use DXDb;
  32 use AnnTalk;
  33 use WCY;
  34 use Sun;
  35 use Internet;
  36 use Script;
  37 use QSL;
  38 use DB_File;
  39 use VE7CC;
  40 use DXXml;
  41 use AsyncMsg;
  42
  43 use strict;
  44 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase %nothereslug
  45         $maxbadcount $msgpolltime $default_pagelth $cmdimportdir $users $maxusers);
  46
  47 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  48 %cmd_cache = ();                                # cache of short names
  49 $errstr = ();                                   # error string from eval
  50 %aliases = ();                                  # aliases for (parts of) commands
  51 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  52 $maxbadcount = 3;                               # no of bad words allowed before disconnection
  53 $msgpolltime = 3600;                    # the time between polls for new messages
  54 $cmdimportdir = "$main::root/cmd_import"; # the base directory for importing command scripts
  55                                           # this does not exist as default, you need to create it manually
  56 $users = 0;                                       # no of users on this node currently
  57 $maxusers = 0;                            # max no users on this node for this run
  58
  59 #
  60 # obtain a new connection this is derived from dxchannel
  61 #
  62
  63 sub new
  64 {
  65         my $self = DXChannel::alloc(@_);
  66
  67         # routing, this must go out here to prevent race condx
  68         my $pkg = shift;
  69         my $call = shift;
  70 #       my @rout = $main::routeroot->add_user($call, Route::here(1));
  71         DXProt::_add_thingy($main::routeroot, [$call, 0, 0, 1, undef, undef, $self->hostname], );
  72
  73         # ALWAYS output the user
  74         my $ref = Route::User::get($call);
  75         if ($ref) {
  76                 $main::me->route_pc16($main::mycall, undef, $main::routeroot, $ref);
  77                 $main::me->route_pc92a($main::mycall, undef, $main::routeroot, $ref) unless $DXProt::pc92_slug_changes;
  78         }
  79
  80         return $self;
  81 }
  82
  83 # this is how a a connection starts, you get a hello message and the motd with
  84 # possibly some other messages asking you to set various things up if you are
  85 # new (or nearly new and slacking) user.
  86
  87 sub start
  88 {
  89         my ($self, $line, $sort) = @_;
  90         my $user = $self->{user};
  91         my $call = $self->{call};
  92         my $name = $user->{name};
  93
  94         # log it
  95         my $host = $self->{conn}->peerhost;
  96         $host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
  97         $host ||= "unknown";
  98         $self->{hostname} = $host;
  99
 100         $self->{name} = $name ? $name : $call;
 101         $self->send($self->msg('l2',$self->{name}));
 102         $self->state('prompt');         # a bit of room for further expansion, passwords etc
 103         $self->{priv} = $user->priv || 0;
 104         $self->{lang} = $user->lang || $main::lang || 'en';
 105         my $pagelth = $user->pagelth;
 106         $pagelth = $default_pagelth unless defined $pagelth;
 107         $self->{pagelth} = $pagelth;
 108         ($self->{width}) = $line =~ /\s*width=(\d+)/; $line =~ s/\s*width=\d+//;
 109         $self->{enhanced} = $line =~ /\s+enhanced/; $line =~ s/\s*enhanced//;
 110         if ($line =~ /host=/) {
 111                 my ($h) = $line =~ /host=(\d+\.\d+\.\d+\.\d+)/;
 112                 $line =~ s/\s*host=\d+\.\d+\.\d+\.\d+// if $h;
 113                 unless ($h) {
 114                         ($h) = $line =~ /host=([\da..fA..F:]+)/;
 115                         $line =~ s/\s*host=[\da..fA..F:]+// if $h;
 116                 }
 117                 $self->{hostname} = $h if $h;
 118         }
 119         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
 120         $self->{consort} = $line;       # save the connection type
 121
 122         LogDbg('DXCommand', "$call connected from $self->{hostname} cols $self->{width}" . ($self->{enhanced}?" enhanced":''));
 123
 124         # set some necessary flags on the user if they are connecting
 125         $self->{beep} = $user->wantbeep;
 126         $self->{ann} = $user->wantann;
 127         $self->{wwv} = $user->wantwwv;
 128         $self->{wcy} = $user->wantwcy;
 129         $self->{talk} = $user->wanttalk;
 130         $self->{wx} = $user->wantwx;
 131         $self->{dx} = $user->wantdx;
 132         $self->{logininfo} = $user->wantlogininfo;
 133         $self->{ann_talk} = $user->wantann_talk;
 134         $self->{here} = 1;
 135         $self->{prompt} = $user->prompt if $user->prompt;
 136         $self->{lastmsgpoll} = 0;
 137
 138         # sort out new dx spot stuff
 139         $user->wantdxcq(0) unless defined $user->{wantdxcq};
 140         $user->wantdxitu(0) unless defined $user->{wantdxitu};
 141         $user->wantusstate(0) unless defined $user->{wantusstate};
 142
 143         # sort out registration
 144         if ($main::reqreg == 2) {
 145                 $self->{registered} = !$user->registered;
 146         } else {
 147                 $self->{registered} = $user->registered;
 148         }
 149
 150         # establish slug queue, if required
 151         $self->{sluggedpcs} = [];
 152         $self->{isslugged} = $DXProt::pc92_slug_changes + $DXProt::last_pc92_slug + 5 if $DXProt::pc92_slug_changes;
 153         $self->{isslugged} = 0 if $self->{priv} || $user->registered || ($user->homenode && $user->homenode eq $main::mycall);
 154
 155         # send the relevant MOTD
 156         $self->send_motd;
 157
 158         # sort out privilege reduction
 159         $self->{priv} = 0 unless $self->{hostname} eq '127.0.0.1' || $self->{hostname} eq '::1' || $self->conn->{usedpasswd};
 160
 161         # get the filters
 162         my $nossid = $call;
 163         $nossid =~ s/-\d+$//;
 164
 165         $self->{spotsfilter} = Filter::read_in('spots', $call, 0)
 166                 || Filter::read_in('spots', $nossid, 0)
 167                         || Filter::read_in('spots', 'user_default', 0);
 168         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0)
 169                 || Filter::read_in('wwv', $nossid, 0)
 170                         || Filter::read_in('wwv', 'user_default', 0);
 171         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0)
 172                 || Filter::read_in('wcy', $nossid, 0)
 173                         || Filter::read_in('wcy', 'user_default', 0);
 174         $self->{annfilter} = Filter::read_in('ann', $call, 0)
 175                 || Filter::read_in('ann', $nossid, 0)
 176                         || Filter::read_in('ann', 'user_default', 0) ;
 177
 178         # clean up qra locators
 179         my $qra = $user->qra;
 180         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 181         unless ($qra) {
 182                 my $lat = $user->lat;
 183                 my $long = $user->long;
 184                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 185         }
 186
 187         # decide on echo
 188         my $echo = $user->wantecho;
 189         unless ($echo) {
 190                 $self->send_now('E', "0");
 191                 $self->send($self->msg('echow'));
 192                 $self->conn->echo($echo) if $self->conn->can('echo');
 193         }
 194
 195         $self->tell_login('loginu');
 196         $self->tell_buddies('loginb');
 197
 198         # do we need to send a forward/opernam?
 199         my $lastoper = $user->lastoper || 0;
 200         my $homenode = $user->homenode || "";
 201         if ($homenode eq $main::mycall && $main::systime >= $lastoper + $DXUser::lastoperinterval) {
 202                 run_cmd($main::me, "forward/opernam $call");
 203                 $user->lastoper($main::systime + ((int rand(10)) * 86400));
 204         }
 205
 206         # run a script send the output to the punter
 207         my $script = new Script(lc $call) || new Script('user_default');
 208         $script->run($self) if $script;
 209
 210         # send cluster info
 211         $self->send($self->run_cmd("show/cluster"));
 212
 213         # send prompts for qth, name and things
 214         $self->send($self->msg('namee1')) if !$user->name;
 215         $self->send($self->msg('qthe1')) if !$user->qth;
 216         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 217         $self->send($self->msg('hnodee1')) if !$user->qth;
 218         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 219
 220         # send out any buddy messages for other people that are online
 221         foreach my $call (@{$user->buddies}) {
 222                 my $ref = Route::User::get($call);
 223                 if ($ref) {
 224                         foreach my $node ($ref->parents) {
 225                                 $self->send($self->msg($node eq $main::mycall ? 'loginb' : 'loginbn', $call, $node));
 226                         }
 227                 }
 228         }
 229
 230         $self->lastmsgpoll($main::systime);
 231         $self->prompt;
 232 }
 233
 234 #
 235 # This is the normal command prompt driver
 236 #
 237
 238 sub normal
 239 {
 240         my $self = shift;
 241         my $cmdline = shift;
 242         my @ans;
 243
 244         # save this for them's that need it
 245         my $rawline = $cmdline;
 246
 247         # remove leading and trailing spaces
 248         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 249
 250         if ($self->{state} eq 'page') {
 251                 my $i = $self->{pagelth};
 252                 my $ref = $self->{pagedata};
 253                 my $tot = @$ref;
 254
 255                 # abort if we get a line starting in with a
 256                 if ($cmdline =~ /^a/io) {
 257                         undef $ref;
 258                         $i = 0;
 259                 }
 260
 261                 # send a tranche of data
 262                 while ($i-- > 0 && @$ref) {
 263                         my $line = shift @$ref;
 264                         $line =~ s/\s+$//o;     # why am having to do this?
 265                         $self->send($line);
 266                 }
 267
 268                 # reset state if none or else chuck out an intermediate prompt
 269                 if ($ref && @$ref) {
 270                         $tot -= $self->{pagelth};
 271                         $self->send($self->msg('page', $tot));
 272                 } else {
 273                         $self->state('prompt');
 274                 }
 275         } elsif ($self->{state} eq 'sysop') {
 276                 my $passwd = $self->{user}->passwd;
 277                 if ($passwd) {
 278                         my @pw = grep {$_ !~ /\s/} split //, $passwd;
 279                         my @l = @{$self->{passwd}};
 280                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 281                         if ($cmdline =~ /$str/) {
 282                                 $self->{priv} = $self->{user}->priv;
 283                         } else {
 284                                 $self->send($self->msg('sorry'));
 285                         }
 286                 } else {
 287                         $self->send($self->msg('sorry'));
 288                 }
 289                 $self->state('prompt');
 290         } elsif ($self->{state} eq 'passwd') {
 291                 my $passwd = $self->{user}->passwd;
 292                 if ($passwd && $cmdline eq $passwd) {
 293                         $self->send($self->msg('pw1'));
 294                         $self->state('passwd1');
 295                 } else {
 296                         $self->conn->{echo} = $self->conn->{decho};
 297                         delete $self->conn->{decho};
 298                         $self->send($self->msg('sorry'));
 299                         $self->state('prompt');
 300                 }
 301         } elsif ($self->{state} eq 'passwd1') {
 302                 $self->{passwd} = $cmdline;
 303                 $self->send($self->msg('pw2'));
 304                 $self->state('passwd2');
 305         } elsif ($self->{state} eq 'passwd2') {
 306                 if ($cmdline eq $self->{passwd}) {
 307                         $self->{user}->passwd($cmdline);
 308                         $self->send($self->msg('pw3'));
 309                 } else {
 310                         $self->send($self->msg('pw4'));
 311                 }
 312                 $self->conn->{echo} = $self->conn->{decho};
 313                 delete $self->conn->{decho};
 314                 $self->state('prompt');
 315         } elsif ($self->{state} eq 'talk' || $self->{state} eq 'chat') {
 316                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 317                         for (@{$self->{talklist}}) {
 318                                 if ($self->{state} eq 'talk') {
 319                                         $self->send_talks($_,  $self->msg('talkend'));
 320                                 } else {
 321                                         $self->local_send('C', $self->msg('chatend', $_));
 322                                 }
 323                         }
 324                         $self->state('prompt');
 325                         delete $self->{talklist};
 326                 } elsif ($cmdline =~ m|^/+\w+|) {
 327                         $cmdline =~ s|^/||;
 328                         my $sendit = $cmdline =~ s|^/+||;
 329                         my @in = $self->run_cmd($cmdline);
 330                         $self->send_ans(@in);
 331                         if ($sendit && $self->{talklist} && @{$self->{talklist}}) {
 332                                 foreach my $l (@in) {
 333                                         my @bad;
 334                                         if (@bad = BadWords::check($l)) {
 335                                                 $self->badcount(($self->badcount||0) + @bad);
 336                                                 LogDbg('DXCommand', "$self->{call} swore: $l with words:" . join(',', @bad) . ")");
 337                                         } else {
 338                                                 for (@{$self->{talklist}}) {
 339                                                         if ($self->{state} eq 'talk') {
 340                                                                 $self->send_talks($_, $l);
 341                                                         } else {
 342                                                                 send_chats($self, $_, $l)
 343                                                         }
 344                                                 }
 345                                         }
 346                                 }
 347                         }
 348                         $self->send($self->{state} eq 'talk' ? $self->talk_prompt : $self->chat_prompt);
 349                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 350                         # send what has been said to whoever is in this person's talk list
 351                         my @bad;
 352                         if (@bad = BadWords::check($cmdline)) {
 353                                 $self->badcount(($self->badcount||0) + @bad);
 354                                 LogDbg('DXCommand', "$self->{call} swore: $cmdline with words:" . join(',', @bad) . ")");
 355                         } else {
 356                                 for (@{$self->{talklist}}) {
 357                                         if ($self->{state} eq 'talk') {
 358                                                 $self->send_talks($_, $rawline);
 359                                         } else {
 360                                                 send_chats($self, $_, $rawline);
 361                                         }
 362                                 }
 363                         }
 364                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 365                         $self->send($self->chat_prompt) if $self->{state} eq 'chat';
 366                 } else {
 367                         # for safety
 368                         $self->state('prompt');
 369                 }
 370         } elsif (my $func = $self->{func}) {
 371                 no strict 'refs';
 372                 my @ans;
 373                 if (ref $self->{edit}) {
 374                         eval { @ans = $self->{edit}->$func($self, $rawline)};
 375                 } else {
 376                         eval {  @ans = &{$self->{func}}($self, $rawline) };
 377                 }
 378                 if ($@) {
 379                         $self->send_ans("Syserr: on stored func $self->{func}", $@);
 380                         delete $self->{func};
 381                         $self->state('prompt');
 382                         undef $@;
 383                 }
 384                 $self->send_ans(@ans);
 385         } else {
 386                 $self->send_ans(run_cmd($self, $cmdline));
 387         }
 388
 389         # check for excessive swearing
 390         if ($self->{badcount} && $self->{badcount} >= $maxbadcount) {
 391                 LogDbg('DXCommand', "$self->{call} logged out for excessive swearing");
 392                 $self->disconnect;
 393                 return;
 394         }
 395
 396         # send a prompt only if we are in a prompt state
 397         $self->prompt() if $self->{state} =~ /^prompt/o;
 398 }
 399
 400 # send out the talk messages taking into account vias and connectivity
 401 sub send_talks
 402 {
 403         my ($self, $ent, $line) = @_;
 404
 405         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 406         $to = $ent unless $to;
 407         my $call = $via && $via ne '*' ? $via : $to;
 408         my $clref = Route::get($call);
 409         my $dxchan = $clref->dxchan if $clref;
 410         if ($dxchan) {
 411                 $dxchan->talk($self->{call}, $to, undef, $line);
 412         } else {
 413                 $self->send($self->msg('disc2', $via ? $via : $to));
 414                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 415                 if (@l) {
 416                         $self->{talklist} = \@l;
 417                 } else {
 418                         delete $self->{talklist};
 419                         $self->state('prompt');
 420                 }
 421         }
 422 }
 423
 424 sub send_chats
 425 {
 426         my $self = shift;
 427         my $target = shift;
 428         my $text = shift;
 429
 430         my $msgid = DXProt::nextchatmsgid();
 431         $text = "#$msgid $text";
 432         $main::me->normal(DXProt::pc93($target, $self->{call}, undef, $text));
 433 }
 434
 435 sub special_prompt
 436 {
 437         my $self = shift;
 438         my $prompt = shift;
 439         my @call;
 440         for (@{$self->{talklist}}) {
 441                 my ($to, $via) = /(\S+)>(\S+)/;
 442                 $to = $_ unless $to;
 443                 push @call, $to;
 444         }
 445         return $self->msg($prompt, join(',', @call));
 446 }
 447
 448 sub talk_prompt
 449 {
 450         my $self = shift;
 451         return $self->special_prompt('talkprompt');
 452 }
 453
 454 sub chat_prompt
 455 {
 456         my $self = shift;
 457         return $self->special_prompt('chatprompt');
 458 }
 459
 460 #
 461 # send a load of stuff to a command user with page prompting
 462 # and stuff
 463 #
 464
 465 sub send_ans
 466 {
 467         my $self = shift;
 468
 469         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 470                 my $i;
 471                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 472                         my $line = shift @_;
 473                         $line =~ s/\s+$//o;     # why am having to do this?
 474                         $self->send($line);
 475                 }
 476                 $self->{pagedata} =  [ @_ ];
 477                 $self->state('page');
 478                 $self->send($self->msg('page', scalar @_));
 479         } else {
 480                 for (@_) {
 481                         if (defined $_) {
 482                                 $self->send($_);
 483                         } else {
 484                                 $self->send('');
 485                         }
 486                 }
 487         }
 488 }
 489
 490 #
 491 # this is the thing that preps for running the command, it is done like this for the
 492 # benefit of remote command execution
 493 #
 494
 495 sub run_cmd
 496 {
 497         my $self = shift;
 498         my $user = $self->{user};
 499         my $call = $self->{call};
 500         my $cmdline = shift;
 501         my @ans;
 502
 503         return () if length $cmdline == 0;
 504
 505         # split the command line up into parts, the first part is the command
 506         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 507         $args = "" unless defined $args;
 508
 509         if ($cmd) {
 510
 511                 # check cmd
 512                 if ($cmd =~ m|^/| || $cmd =~ m|[^-?\w/]|) {
 513                         LogDbg('DXCommand', "cmd: $self->{call} - invalid characters in '$cmd'");
 514                         return $self->_error_out('e1');
 515                 }
 516
 517                 # strip out // on command only
 518                 $cmd =~ s|//|/|g;
 519
 520                 my ($path, $fcmd);
 521
 522                 dbg("cmd: $cmd") if isdbg('command');
 523
 524                 # alias it if possible
 525                 my $acmd = CmdAlias::get_cmd($cmd);
 526                 if ($acmd) {
 527                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 528                         $args = "" unless defined $args;
 529                         dbg("cmd: aliased $cmd $args") if isdbg('command');
 530                 }
 531
 532                 # first expand out the entry to a command
 533                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 534                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") unless $path && $fcmd;
 535
 536                 if ($path && $cmd) {
 537                         dbg("cmd: path $cmd cmd: $fcmd") if isdbg('command');
 538
 539                         my $package = find_cmd_name($path, $fcmd);
 540                         return ($@) if $@;
 541
 542                         if ($package && $self->can("${package}::handle")) {
 543                                 no strict 'refs';
 544                                 dbg("cmd: package $package") if isdbg('command');
 545                                 eval { @ans = &{"${package}::handle"}($self, $args) };
 546                                 return (DXDebug::shortmess($@)) if $@;
 547                         } else {
 548                                 dbg("cmd: $package not present") if isdbg('command');
 549                                 return $self->_error_out('e1');
 550                         }
 551                 } else {
 552                         dbg("cmd: $cmd not found") if isdbg('command');
 553                         return $self->_error_out('e1');
 554                 }
 555         }
 556
 557         my $ok = shift @ans;
 558         if ($ok) {
 559                 delete $self->{errors};
 560         } else {
 561                 if (++$self->{errors} > $DXChannel::maxerrors) {
 562                         $self->send($self->msg('e26'));
 563                         $self->disconnect;
 564                         return ();
 565                 }
 566         }
 567         return map {s/([^\s])\s+$/$1/; $_} @ans;
 568 }
 569
 570 #
 571 # This is called from inside the main cluster processing loop and is used
 572 # for despatching commands that are doing some long processing job
 573 #
 574 sub process
 575 {
 576         my $t = time;
 577         my @dxchan = DXChannel::get_all();
 578         my $dxchan;
 579
 580         $users = 0;
 581         foreach $dxchan (@dxchan) {
 582                 next unless $dxchan->is_user;
 583
 584                 # send a outstanding message prompt if required
 585                 if ($t >= $dxchan->lastmsgpoll + $msgpolltime) {
 586                         $dxchan->send($dxchan->msg('m9')) if DXMsg::for_me($dxchan->call);
 587                         $dxchan->lastmsgpoll($t);
 588                 }
 589
 590                 # send a prompt if no activity out on this channel
 591                 if ($t >= $dxchan->t + $main::user_interval) {
 592                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 593                         $dxchan->t($t);
 594                 }
 595                 ++$users;
 596                 $maxusers = $users if $users > $maxusers;
 597
 598                 if ($dxchan->{isslugged} && $main::systime > $dxchan->{isslugged}) {
 599                         foreach my $ref (@{$dxchan->{sluggedpcs}}) {
 600                                 if ($ref->[0] == 61) {
 601                                         Spot::add(@{$ref->[2]});
 602                                         DXProt::send_dx_spot($dxchan, $ref->[1], @{$ref->[2]});
 603                                 }
 604                         }
 605
 606                         $dxchan->{isslugged} = 0;
 607                         $dxchan->{sluggedpcs} = [];
 608                 }
 609         }
 610
 611         import_cmd();
 612 }
 613
 614 #
 615 # finish up a user context
 616 #
 617 sub disconnect
 618 {
 619         my $self = shift;
 620         my $call = $self->call;
 621
 622         return if $self->{disconnecting}++;
 623
 624         delete $self->{senddbg};
 625
 626         my $uref = Route::User::get($call);
 627         my @rout;
 628         if ($uref) {
 629 #               @rout = $main::routeroot->del_user($uref);
 630                 @rout = DXProt::_del_thingy($main::routeroot, [$call, 0]);
 631
 632                 # dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 633
 634                 # issue a pc17 to everybody interested
 635                 $main::me->route_pc17($main::mycall, undef, $main::routeroot, $uref);
 636                 $main::me->route_pc92d($main::mycall, undef, $main::routeroot, $uref) unless $DXProt::pc92_slug_changes;
 637         } else {
 638                 confess "trying to disconnect a non existant user $call";
 639         }
 640
 641         # I was the last node visited
 642     $self->user->node($main::mycall);
 643
 644         # send info to all logged in thingies
 645         $self->tell_login('logoutu');
 646         $self->tell_buddies('logoutb');
 647
 648         LogDbg('DXCommand', "$call disconnected");
 649
 650         $self->SUPER::disconnect;
 651 }
 652
 653 #
 654 # short cut to output a prompt
 655 #
 656
 657 sub prompt
 658 {
 659         my $self = shift;
 660
 661         return if $self->{gtk};         # 'cos prompts are not a concept that applies here
 662
 663         my $call = $self->call;
 664         my $date = cldate($main::systime);
 665         my $time = ztime($main::systime);
 666         my $prompt = $self->{prompt} || $self->msg('pr');
 667
 668         $call = "($call)" unless $self->here;
 669         $prompt =~ s/\%C/$call/g;
 670         $prompt =~ s/\%D/$date/g;
 671         $prompt =~ s/\%T/$time/g;
 672         $prompt =~ s/\%M/$main::mycall/g;
 673
 674         $self->send($prompt);
 675 }
 676
 677 # broadcast a message to all users [except those mentioned after buffer]
 678 sub broadcast
 679 {
 680         my $pkg = shift;                        # ignored
 681         my $s = shift;                          # the line to be rebroadcast
 682
 683     foreach my $dxchan (DXChannel::get_all()) {
 684                 next unless $dxchan->is_user; # only interested in user channels
 685                 next if grep $dxchan == $_, @_;
 686                 $dxchan->send($s);                      # send it
 687         }
 688 }
 689
 690 # gimme all the users
 691 sub get_all
 692 {
 693         goto &DXChannel::get_all_users;
 694 }
 695
 696 # run a script for this user
 697 sub run_script
 698 {
 699         my $self = shift;
 700         my $silent = shift || 0;
 701
 702 }
 703
 704 #
 705 # search for the command in the cache of short->long form commands
 706 #
 707
 708 sub search
 709 {
 710         my ($path, $short_cmd, $suffix) = @_;
 711         my ($apath, $acmd);
 712
 713         # commands are lower case
 714         $short_cmd = lc $short_cmd;
 715         dbg("command: $path $short_cmd\n") if isdbg('command');
 716
 717         # do some checking for funny characters
 718         return () if $short_cmd =~ /\/$/;
 719
 720         # return immediately if we have it
 721         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 722         if ($apath && $acmd) {
 723                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 724                 return ($apath, $acmd);
 725         }
 726
 727         # if not guess
 728         my @parts = split '/', $short_cmd;
 729         my $dirfn;
 730         my $curdir = $path;
 731
 732         while (my $p = shift @parts) {
 733                 opendir(D, $curdir) or confess "can't open $curdir $!";
 734                 my @ls = readdir D;
 735                 closedir D;
 736
 737                 # if this isn't the last part
 738                 if (@parts) {
 739                         my $found;
 740                         foreach my $l (sort @ls) {
 741                                 next if $l =~ /^\./;
 742                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 743                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 744                                         $dirfn .= "$l/";
 745                                         $curdir .= "/$l";
 746                                         $found++;
 747                                         last;
 748                                 }
 749                         }
 750                         # only proceed if we find the directory asked for
 751                         return () unless $found;
 752                 } else {
 753                         foreach my $l (sort @ls) {
 754                                 next if $l =~ /^\./;
 755                                 next unless $l =~ /\.$suffix$/;
 756                                 if ($p eq substr($l, 0, length $p)) {
 757                                         $l =~ s/\.$suffix$//;
 758                                         $dirfn = "" unless $dirfn;
 759                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 760                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 761                                         return ($path, "$dirfn$l");
 762                                 }
 763                         }
 764                 }
 765         }
 766
 767         return ();
 768 }
 769
 770 # clear the command name cache
 771 sub clear_cmd_cache
 772 {
 773         no strict 'refs';
 774
 775         for my $k (keys %Cache) {
 776                 unless ($k =~ /cmd_cache/) {
 777                         dbg("Undefining cmd $k") if isdbg('command');
 778                         undef $DXCommandmode::{"${k}::"};
 779                 }
 780         }
 781         %cmd_cache = ();
 782         %Cache = ( cmd_clear_cmd_cache  => $Cache{cmd_clear_cmd_cache} );
 783 }
 784
 785 #
 786 # the persistant execution of things from the command directories
 787 #
 788 #
 789 # This allows perl programs to call functions dynamically
 790 #
 791 # This has been nicked directly from the perlembed pages
 792 #
 793 #require Devel::Symdump;
 794
 795 sub valid_package_name {
 796         my $string = shift;
 797         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 798
 799         $string =~ s|/|_|g;
 800         return "cmd_$string";
 801 }
 802
 803 #
 804 # this bit of magic finds a command in the offered directory
 805 sub find_cmd_name {
 806         my $path = shift;
 807         my $cmdname = shift;
 808         my $package = valid_package_name($cmdname);
 809         my $filename = "$path/$cmdname.pl";
 810         my $mtime = -M $filename;
 811
 812         # return if we can't find it
 813         $errstr = undef;
 814         unless (defined $mtime) {
 815                 $errstr = DXM::msg('e1');
 816                 return undef;
 817         }
 818
 819         if(exists $Cache{$package} && exists $Cache{$package}->{mtime} && $Cache{$package}->{mtime} <= $mtime) {
 820                 #we have compiled this subroutine already,
 821                 #it has not been updated on disk, nothing left to do
 822                 #print STDERR "already compiled $package->handler\n";
 823                 dbg("find_cmd_name: $package cached") if isdbg('command');
 824         } else {
 825
 826                 my $sub = readfilestr($filename);
 827                 unless ($sub) {
 828                         $errstr = "Syserr: can't open '$filename' $!";
 829                         return undef;
 830                 };
 831
 832                 #wrap the code into a subroutine inside our unique package
 833                 my $eval = qq(package DXCommandmode::$package; use 5.10.1; use POSIX qw{:math_h}; use DXLog; use DXDebug; use DXUser; use DXUtil; our \@ISA = qw{DXCommandmode}; );
 834
 835
 836                 if ($sub =~ m|\s*sub\s+handle\n|) {
 837                         $eval .= $sub;
 838                 } else {
 839                         $eval .= qq(sub handle { $sub });
 840                 }
 841
 842                 if (isdbg('eval')) {
 843                         my @list = split /\n/, $eval;
 844                         my $line;
 845                         for (@list) {
 846                                 dbg($_ . "\n") if isdbg('eval');
 847                         }
 848                 }
 849
 850                 # get rid of any existing sub and try to compile the new one
 851                 no strict 'refs';
 852
 853                 if (exists $Cache{$package}) {
 854                         dbg("find_cmd_name: Redefining $package") if isdbg('command');
 855                         undef $DXCommandmode::{"${package}::"};
 856                         delete $Cache{$package};
 857                 } else {
 858                         dbg("find_cmd_name: Defining $package") if isdbg('command');
 859                 }
 860
 861                 eval $eval;
 862
 863                 $Cache{$package} = {mtime => $mtime } unless $@;
 864         }
 865
 866         return "DXCommandmode::$package";
 867 }
 868
 869 sub send
 870 {
 871         my $self = shift;
 872         if ($self->{gtk}) {
 873                 for (@_) {
 874                         $self->SUPER::send(dd(['cmd',$_]));
 875                 }
 876         } else {
 877                 $self->SUPER::send(@_);
 878         }
 879 }
 880
 881 sub local_send
 882 {
 883         my ($self, $let, $buf) = @_;
 884         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk' || $self->{state} eq 'chat') {
 885                 if ($self->{enhanced}) {
 886                         $self->send_later($let, $buf);
 887                 } else {
 888                         $self->send($buf);
 889                 }
 890         } else {
 891                 $self->delay($buf);
 892         }
 893 }
 894
 895 # send a talk message here
 896 sub talk
 897 {
 898         my ($self, $from, $to, $via, $line, $onode) = @_;
 899         $line =~ s/\\5E/\^/g;
 900         if ($self->{talk}) {
 901                 if ($self->{gtk}) {
 902                         $self->local_send('T', dd(['talk',$to,$from,$via,$line]));
 903                 } else {
 904                         $self->local_send('T', "$to de $from: $line");
 905                 }
 906         }
 907         Log('talk', $to, $from, '<' . ($onode || '*'), $line);
 908         # send a 'not here' message if required
 909         unless ($self->{here} && $from ne $to) {
 910                 my $key = "$to$from";
 911                 unless (exists $nothereslug{$key}) {
 912                         my ($ref, $dxchan);
 913                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 914                                 my $name = $self->user->name || $to;
 915                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 916                                 $nothereslug{$key} = $main::systime;
 917                                 $dxchan->talk($to, $from, undef, $s);
 918                         }
 919                 }
 920         }
 921 }
 922
 923 # send an announce
 924 sub announce
 925 {
 926         my $self = shift;
 927         my $line = shift;
 928         my $isolate = shift;
 929         my $to = shift;
 930         my $target = shift;
 931         my $text = shift;
 932         my ($filter, $hops);
 933
 934         if (!$self->{ann_talk} && $to ne $self->{call}) {
 935                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 936                 return if $call;
 937         }
 938
 939         if ($self->{annfilter}) {
 940                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 941                 return unless $filter;
 942         }
 943
 944         unless ($self->{ann}) {
 945                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 946         }
 947         return if $target eq 'SYSOP' && $self->{priv} < 5;
 948         my $buf;
 949         if ($self->{gtk}) {
 950                 $buf = dd(['ann', $to, $target, $text, @_])
 951         } else {
 952                 $buf = "$to$target de $_[0]: $text";
 953                 #$buf =~ s/\%5E/^/g;
 954                 $buf .= "\a\a" if $self->{beep};
 955         }
 956         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 957 }
 958
 959 # send a chat
 960 sub chat
 961 {
 962         my $self = shift;
 963         my $line = shift;
 964         my $isolate = shift;
 965         my $target = shift;
 966         my $to = shift;
 967         my $text = shift;
 968         my ($filter, $hops);
 969
 970         return unless grep uc $_ eq $target, @{$self->{user}->{group}};
 971
 972         $text =~ s/^\#\d+ //;
 973         my $buf;
 974         if ($self->{gtk}) {
 975                 $buf = dd(['chat', $to, $target, $text, @_])
 976         } else {
 977                 $buf = "$target de $_[0]: $text";
 978                 #$buf =~ s/\%5E/^/g;
 979                 $buf .= "\a\a" if $self->{beep};
 980         }
 981         $self->local_send('C', $buf);
 982 }
 983
 984 sub format_dx_spot
 985 {
 986         my $self = shift;
 987
 988         my $t = ztime($_[2]);
 989         my ($slot1, $slot2) = ('', '');
 990
 991         my $clth = 30 + $self->{width} - 80;    # allow comment to grow according the screen width
 992         my $c = $_[3];
 993         $c =~ s/\t/ /g;
 994         my $comment = substr (($c || ''), 0, $clth);
 995         $comment .= ' ' x ($clth - (length($comment)));
 996
 997     if (!$slot1 && $self->{user}->wantgrid) {
 998                 my $ref = DXUser::get_current($_[1]);
 999                 if ($ref && $ref->qra) {
1000                         $slot1 = ' ' . substr($ref->qra, 0, 4);
1001                 }
1002         }
1003         if (!$slot1 && $self->{user}->wantusstate) {
1004                 $slot1 = " $_[12]" if $_[12];
1005         }
1006         unless ($slot1) {
1007                 if ($self->{user}->wantdxitu) {
1008                         $slot1 = sprintf(" %2d", $_[8]) if defined $_[8];
1009                 } elsif ($self->{user}->wantdxcq) {
1010                         $slot1 = sprintf(" %2d", $_[9]) if defined $_[9];
1011                 }
1012         }
1013         $comment = substr($comment, 0,  $clth-length($slot1)) . $slot1 if $slot1;
1014
1015     if (!$slot2 && $self->{user}->wantgrid) {
1016                 my $origin = $_[4];
1017                 $origin =~ s/-#$//;                     # sigh......
1018                 my $ref = DXUser::get_current($origin);
1019                 if ($ref && $ref->qra) {
1020                         $slot2 = ' ' . substr($ref->qra, 0, 4);
1021                 }
1022         }
1023         if (!$slot2 && $self->{user}->wantusstate) {
1024                 $slot2 = " $_[13]" if $_[13];
1025         }
1026         unless ($slot2) {
1027                 if ($self->{user}->wantdxitu) {
1028                         $slot2 = sprintf(" %2d", $_[10]) if defined $_[10];
1029                 } elsif ($self->{user}->wantdxcq) {
1030                         $slot2 = sprintf(" %2d", $_[11]) if defined $_[11];
1031                 }
1032         }
1033
1034         return sprintf "DX de %-8.8s%10.1f  %-12.12s %-s $t$slot2", "$_[4]:", $_[0], $_[1], $comment;
1035 }
1036
1037
1038 # send a dx spot
1039 sub dx_spot
1040 {
1041         my $self = shift;
1042         my $line = shift;
1043         my $isolate = shift;
1044         return unless $self->{dx};
1045
1046         my ($filter, $hops);
1047
1048         if ($self->{spotsfilter}) {
1049                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
1050                 return unless $filter;
1051         }
1052
1053         dbg('spot: "' . join('","', @_) . '"') if isdbg('dxspot');
1054
1055         my $buf;
1056         if ($self->{ve7cc}) {
1057                 $buf = VE7CC::dx_spot($self, @_);
1058         } elsif ($self->{gtk}) {
1059                 my ($dxloc, $byloc);
1060
1061                 my $ref = DXUser::get_current($_[4]);
1062                 if ($ref) {
1063                         $byloc = $ref->qra;
1064                         $byloc = substr($byloc, 0, 4) if $byloc;
1065                 }
1066
1067                 my $spot = $_[1];
1068                 $spot =~ s|/\w{1,4}$||;
1069                 $ref = DXUser::get_current($spot);
1070                 if ($ref) {
1071                         $dxloc = $ref->qra;
1072                         $dxloc = substr($dxloc, 0, 4) if $dxloc;
1073                 }
1074                 $buf = dd(['dx', @_, ($dxloc||''), ($byloc||'')]);
1075
1076         } else {
1077                 $buf = $self->format_dx_spot(@_);
1078                 $buf .= "\a\a" if $self->{beep};
1079                 #$buf =~ s/\%5E/^/g;
1080         }
1081
1082         $self->local_send('X', $buf);
1083 }
1084
1085 sub wwv
1086 {
1087         my $self = shift;
1088         my $line = shift;
1089         my $isolate = shift;
1090         my ($filter, $hops);
1091
1092         return unless $self->{wwv};
1093
1094         if ($self->{wwvfilter}) {
1095                 ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_] );
1096                 return unless $filter;
1097         }
1098
1099         my $buf;
1100         if ($self->{gtk}) {
1101                 $buf = dd(['wwv', @_])
1102         } else {
1103                 $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1104                 $buf .= "\a\a" if $self->{beep};
1105         }
1106
1107         $self->local_send('V', $buf);
1108 }
1109
1110 sub wcy
1111 {
1112         my $self = shift;
1113         my $line = shift;
1114         my $isolate = shift;
1115         my ($filter, $hops);
1116
1117         return unless $self->{wcy};
1118
1119         if ($self->{wcyfilter}) {
1120                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
1121                 return unless $filter;
1122         }
1123
1124         my $buf;
1125         if ($self->{gtk}) {
1126                 $buf = dd(['wcy', @_])
1127         } else {
1128                 $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1129                 $buf .= "\a\a" if $self->{beep};
1130         }
1131         $self->local_send('Y', $buf);
1132 }
1133
1134 # broadcast debug stuff to all interested parties
1135 sub broadcast_debug
1136 {
1137         my $s = shift;                          # the line to be rebroadcast
1138
1139         foreach my $dxchan (DXChannel::get_all_users) {
1140                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
1141                 if ($dxchan->{gtk}) {
1142                         $dxchan->send_later('L', dd(['db', $s]));
1143                 } else {
1144                         $dxchan->send_later('L', $s);
1145                 }
1146         }
1147 }
1148
1149 sub do_entry_stuff
1150 {
1151         my $self = shift;
1152         my $line = shift;
1153         my @out;
1154
1155         if ($self->state eq 'enterbody') {
1156                 my $loc = $self->{loc} || confess "local var gone missing" ;
1157                 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
1158                         no strict 'refs';
1159                         push @out, &{$loc->{endaction}}($self);          # like this for < 5.8.0
1160                         $self->func(undef);
1161                         $self->state('prompt');
1162                 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
1163                         push @out, $self->msg('m10');
1164                         delete $loc->{lines};
1165                         delete $self->{loc};
1166                         $self->func(undef);
1167                         $self->state('prompt');
1168                 } else {
1169                         push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
1170                         # i.e. it ain't and end or abort, therefore store the line
1171                 }
1172         } else {
1173                 confess "Invalid state $self->{state}";
1174         }
1175         return @out;
1176 }
1177
1178 sub store_startup_script
1179 {
1180         my $self = shift;
1181         my $loc = $self->{loc} || confess "local var gone missing" ;
1182         my @out;
1183         my $call = $loc->{call} || confess "callsign gone missing";
1184         confess "lines array gone missing" unless ref $loc->{lines};
1185         my $r = Script::store($call, $loc->{lines});
1186         if (defined $r) {
1187                 if ($r) {
1188                         push @out, $self->msg('m19', $call, $r);
1189                 } else {
1190                         push @out, $self->msg('m20', $call);
1191                 }
1192         } else {
1193                 push @out, "error opening startup script $call $!";
1194         }
1195         return @out;
1196 }
1197
1198 # Import any commands contained in any files in import_cmd directory
1199 #
1200 # If the filename has a recogisable callsign as some delimited part
1201 # of it, then this is the user the command will be run as.
1202 #
1203 sub import_cmd
1204 {
1205         # are there any to do in this directory?
1206         return unless -d $cmdimportdir;
1207         unless (opendir(DIR, $cmdimportdir)) {
1208                 LogDbg('err', "can\'t open $cmdimportdir $!");
1209                 return;
1210         }
1211
1212         my @names = readdir(DIR);
1213         closedir(DIR);
1214         my $name;
1215
1216         return unless @names;
1217
1218         foreach $name (@names) {
1219                 next if $name =~ /^\./;
1220
1221                 my $s = Script->new($name, $cmdimportdir);
1222                 if ($s) {
1223                         LogDbg('DXCommand', "Run import cmd file $name");
1224                         my @cat = split /[^A-Za-z0-9]+/, $name;
1225                         my ($call) = grep {is_callsign(uc $_)} @cat;
1226                         $call ||= $main::mycall;
1227                         $call = uc $call;
1228                         my @out;
1229
1230
1231                         $s->inscript(0);        # switch off script checks
1232
1233                         if ($call eq $main::mycall) {
1234                                 @out = $s->run($main::me, 1);
1235                         } else {
1236                                 my $dxchan = DXChannel::get($call);
1237                             if ($dxchan) {
1238                                         @out = $s->run($dxchan, 1);
1239                                 } else {
1240                                         my $u = DXUser::get($call);
1241                                         if ($u) {
1242                                                 $dxchan = $main::me;
1243                                                 my $old = $dxchan->{call};
1244                                                 my $priv = $dxchan->{priv};
1245                                                 my $user = $dxchan->{user};
1246                                                 $dxchan->{call} = $call;
1247                                                 $dxchan->{priv} = $u->priv;
1248                                                 $dxchan->{user} = $u;
1249                                                 @out = $s->run($dxchan, 1);
1250                                                 $dxchan->{call} = $old;
1251                                                 $dxchan->{priv} = $priv;
1252                                                 $dxchan->{user} = $user;
1253                                         } else {
1254                                                 LogDbg('err', "Trying to run import cmd for non-existant user $call");
1255                                         }
1256                                 }
1257                         }
1258                         $s->erase;
1259                         for (@out) {
1260                                 LogDbg('DXCommand', "Import cmd $name/$call: $_");
1261                         }
1262                 } else {
1263                         LogDbg('err', "Failed to open $cmdimportdir/$name $!");
1264                         unlink "$cmdimportdir/$name";
1265                 }
1266         }
1267 }
1268
1269 sub print_find_reply
1270 {
1271         my ($self, $node, $target, $flag, $ms) = @_;
1272         my $sort = $flag == 2 ? "External" : "Local";
1273         $self->send("$sort $target found at $node in $ms ms" );
1274 }
1275
1276 # send the most relevant motd
1277 sub send_motd
1278 {
1279         my $self = shift;
1280         my $motd;
1281
1282         unless ($self->isregistered) {
1283                 $motd = "${main::motd}_nor_$self->{lang}";
1284                 $motd = "${main::motd}_nor" unless -e $motd;
1285         }
1286         $motd = "${main::motd}_$self->{lang}" unless $motd && -e $motd;
1287         $motd = $main::motd unless $motd && -e $motd;
1288         if ($self->conn->ax25) {
1289                 if ($motd) {
1290                         $motd = "${motd}_ax25" if -e "${motd}_ax25";
1291                 } else {
1292                         $motd = "${main::motd}_ax25" if -e "${main::motd}_ax25";
1293                 }
1294         }
1295         $self->send_file($motd) if -e $motd;
1296 }
1297
1298 sub user_count
1299 {
1300         return ($users, $maxusers);
1301 }
1302
1303 1;
1304 __END__