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