4 # Copyright (c) 1993 - 2002 Tim Riker
6 # This package is free software; you can redistribute it and/or
7 # modify it under the terms of the license found in the file
8 # named LICENSE that should have accompanied this file.
10 # THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
11 # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
12 # WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
23 eval "use LWP::UserAgent";
31 &::status("BZFlag module requires Socket.");
32 return 'BZFlag module not active';
34 if ( $message =~ /^bzfquery\s+([^:]*)(?::([0-9]*))?$/xi ) {
35 $retval = &query( $1, $2 );
37 elsif ( $message =~ /^bzflist$/xi ) {
41 $retval = "BZFlag: unhandled command \"$message\"";
43 &::performStrictReply($retval);
48 my $ua = new LWP::UserAgent;
49 $ua->proxy( 'http', $::param{'httpProxy'} ) if ( &::IsParam('httpProxy') );
54 HTTP::Request->new( 'GET', 'http://db.bzflag.org/db/?action=LIST' );
55 my $res = $ua->request($req);
58 for my $line ( split( "\n", $res->content ) ) {
59 my ( $serverport, $version, $flags, $ip, $comments ) =
60 split( " ", $line, 5 );
62 # not "(A4)18" to handle old dumb perl
64 $style, $maxShots, $shakeWins, $shakeTimeout,
65 $maxPlayerScore, $maxTeamScore, $maxTime, $maxPlayers,
66 $rogueSize, $rogueMax, $redSize, $redMax,
67 $greenSize, $greenMax, $blueSize, $blueMax,
68 $purpleSize, $purpleMax, $observerSize, $observerMax
69 ) = unpack( 'A4A4A4A4A4A4A4A2A2A2A2A2A2A2A2A2A2A2A2A2', $flags );
71 hex($rogueSize) + hex($redSize) + hex($greenSize) + hex($blueSize) +
72 hex($purpleSize) + hex($observerSize);
73 $servers{$serverport} = $playerSize;
74 $servers{$version} += $playerSize;
75 $servers{'PLAYERS'} += $playerSize;
78 $response .= "s=$totalServers";
80 my $key ( sort { $servers{$b} <=> $servers{$a} } ( keys(%servers) ) )
82 if ( $servers{$key} > 0 ) {
83 $response .= " $key($servers{$key})";
86 &::performStrictReply($response);
92 my $ua = new LWP::UserAgent;
93 $ua->proxy( 'http', $::param{'httpProxy'} ) if ( &::IsParam('httpProxy') );
97 my $req = HTTP::Request->new( 'GET', 'http://list.bzflag.org:5156/' );
98 my $res = $ua->request($req);
100 my $totalServers = 0;
101 my $totalPlayers = 0;
102 for my $line ( split( "\n", $res->content ) ) {
103 my ( $serverport, $version, $flags, $ip, $comments ) =
104 split( " ", $line, 5 );
106 # not "(A4)18" to handle old dumb perl
108 $style, $maxPlayers, $maxShots, $rogueSize,
109 $redSize, $greenSize, $blueSize, $purpleSize,
110 $rogueMax, $redMax, $greenMax, $blueMax,
111 $purpleMax, $shakeWins, $shakeTimeout, $maxPlayerScore,
112 $maxTeamScore, $maxTime
113 ) = unpack( 'A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4', $flags );
115 hex($rogueSize) + hex($redSize) + hex($greenSize) + hex($blueSize) +
117 $servers{$serverport} = $playerSize;
119 $totalPlayers += $playerSize;
121 $response .= "s=$totalServers p=$totalPlayers";
123 my $key ( sort { $servers{$b} <=> $servers{$a} } ( keys(%servers) ) )
125 if ( $servers{$key} > 0 ) {
126 $response .= " $key($servers{$key})";
129 &::performStrictReply($response);
134 my ($servernameport) = @_;
135 my ( $servername, $port ) = split( ":", $servernameport );
137 &::status("BZFlag module requires Socket.");
138 return 'BZFlag module not active';
141 #my @teamName = ('Rogue', 'Red', 'Green', 'Blue', 'Purple', 'Observer', 'Rabbit');
142 my @teamName = ( 'X', 'R', 'G', 'B', 'P', 'O', 'K' );
143 my ( $message, $server, $response );
144 $port = 5154 unless $port;
147 my $sockaddr = 'S n a4 x8';
149 # port to port number
150 my ( $name, $aliases, $proto ) = getprotobyname('tcp');
151 ( $name, $aliases, $port ) = getservbyname( $port, 'tcp' )
152 unless $port =~ /^\d+$/;
155 my ( $type, $len, $serveraddr );
156 ( $name, $aliases, $type, $len, $serveraddr ) = gethostbyname($servername);
157 $server = pack( $sockaddr, AF_INET, $port, $serveraddr );
160 # TODO wrap this with a 5 second alarm()
161 return 'socket() error' unless socket( S1, AF_INET, SOCK_STREAM, $proto );
162 return "could not connect to $servername:$port"
163 unless connect( S1, $server );
172 return 'read error' unless read( S1, $buffer, 8 ) == 8;
175 my ( $magic, $major, $minor, $something, $revision ) =
176 unpack( "a4 a1 a1 a1 a1", $buffer );
177 my ($version) = $magic . $major . $minor . $something . $revision;
179 # quit if version isn't valid
180 return 'not a bzflag server' if ( $magic ne 'BZFS' );
181 $response .= "$major$minor$something$revision ";
184 if ( $version eq 'BZFS0026' ) {
186 # 1.11.x handled here
187 return 'read error' unless read( S1, $buffer, 1 ) == 1;
188 my ($id) = unpack( 'C', $buffer );
189 return "rejected by server" if ( $id == 255 );
192 print S1 pack( 'n2', 0, 0x7167 );
195 my $nbytes = read( S1, $buffer, 4 );
196 my ( $infolen, $infocode ) = unpack( 'n2', $buffer );
197 if ( $infocode == 0x6774 ) {
199 # read and ignore MsgGameTime from new servers
200 $nbytes = read( S1, $buffer, 8 );
201 $nbytes = read( S1, $buffer, 4 );
202 ( $infolen, $infocode ) = unpack( 'n2', $buffer );
204 $nbytes = read( S1, $buffer, 42 );
205 if ( $nbytes != 42 ) {
206 return "Error: read $nbytes bytes, expecting 46: $^E\n";
210 $style, $maxPlayers, $maxShots, $rogueSize,
211 $redSize, $greenSize, $blueSize, $purpleSize,
212 $observerSize, $rogueMax, $redMax, $greenMax,
213 $blueMax, $purpleMax, $observerMax, $shakeWins,
214 $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime,
216 ) = unpack( 'n23', $buffer );
217 return "bad server data $infocode" unless $infocode == 0x7167;
219 # send players request
220 print S1 pack( 'n2', 0, 0x7170 );
222 # get number of teams and players we'll be receiving
223 return 'count read error' unless read( S1, $buffer, 8 ) == 8;
224 my ( $countlen, $countcode, $numTeams, $numPlayers ) =
225 unpack( 'n4', $buffer );
228 return 'bad count data' unless $countcode == 0x7170;
229 return 'count read error' unless read( S1, $buffer, 5 ) == 5;
230 ( $countlen, $countcode, $numTeams ) = unpack( "n n C", $buffer );
231 for ( 1 .. $numTeams ) {
232 return 'team read error' unless read( S1, $buffer, 8 ) == 8;
233 my ( $team, $size, $won, $lost ) = unpack( 'n4', $buffer );
235 my $score = $won - $lost;
236 $response .= "$teamName[$team]:$score($won-$lost) ";
241 for ( 1 .. $numPlayers ) {
242 last unless read( S1, $buffer, 175 ) == 175;
244 $playerlen, $playercode, $pID, $type, $team,
245 $won, $lost, $tks, $sign, $email
246 ) = unpack( 'n2Cn5A32A128', $buffer );
248 #my ($playerlen,$playercode,$pAddr,$pPort,$pNum,$type,$team,$won,$lost,$sign,$email) =
249 # unpack("n2Nn2 n4A32A128", $buffer);
250 return 'bad player data' unless $playercode == 0x6170;
251 my $score = $won - $lost;
252 $response .= " $sign($teamName[$team]";
253 $response .= ":$email" if ($email);
254 $response .= ")$score($won-$lost)";
256 $response .= "No Players" if ( $numPlayers < 1 );
260 elsif ( $major == 1 && $minor == 9 ) {
262 # 1.10.x handled here
263 $revision = $something * 10 + $revision;
264 return 'read error' unless read( S1, $buffer, 1 ) == 1;
265 my ($id) = unpack( 'C', $buffer );
268 print S1 pack( 'n2', 0, 0x7167 );
270 # FIXME the packets are wrong from here down
272 return 'server read error' unless read( S1, $buffer, 40 ) == 40;
274 $infolen, $infocode, $style, $maxPlayers,
275 $maxShots, $rogueSize, $redSize, $greenSize,
276 $blueSize, $purpleSize, $rogueMax, $redMax,
277 $greenMax, $blueMax, $purpleMax, $shakeWins,
278 $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime
279 ) = unpack( 'n20', $buffer );
280 return 'bad server data' unless $infocode == 0x7167;
282 # send players request
283 print S1 pack( 'n2', 0, 0x7170 );
285 # get number of teams and players we'll be receiving
286 return 'count read error' unless read( S1, $buffer, 8 ) == 8;
287 my ( $countlen, $countcode, $numTeams, $numPlayers ) =
288 unpack( 'n4', $buffer );
291 return 'bad count data' unless $countcode == 0x7170;
292 return 'count read error' unless read( S1, $buffer, 5 ) == 5;
293 ( $countlen, $countcode, $numTeams ) = unpack( "n n C", $buffer );
294 for ( 1 .. $numTeams ) {
295 return 'team read error' unless read( S1, $buffer, 8 ) == 8;
296 my ( $team, $size, $won, $lost ) = unpack( 'n4', $buffer );
298 my $score = $won - $lost;
299 $response .= "$teamName[$team]:$score($won-$lost) ";
304 for ( 1 .. $numPlayers ) {
305 last unless read( S1, $buffer, 175 ) == 175;
307 $playerlen, $playercode, $pID, $type, $team,
308 $won, $lost, $tks, $sign, $email
309 ) = unpack( 'n2Cn5A32A128', $buffer );
311 #my ($playerlen,$playercode,$pAddr,$pPort,$pNum,$type,$team,$won,$lost,$sign,$email) =
312 # unpack("n2Nn2 n4A32A128", $buffer);
313 return 'bad player data' unless $playercode == 0x6170;
314 my $score = $won - $lost;
315 $response .= " $sign($teamName[$team]";
316 $response .= ":$email" if ($email);
317 $response .= ")$score($won-$lost)";
319 $response .= "No Players" if ( $numPlayers < 1 );
324 elsif ( $major == 1 && $minor == 0 && $something == 7 ) {
326 # 1.7* versions handled here
327 # old servers send a reconnect port number
328 return 'read error' unless read( S1, $buffer, 2 ) == 2;
329 my ($reconnect) = unpack( 'n', $buffer );
330 $minor = $minor * 10 + $something;
333 return 'rejected by server' if ( $reconnect == 0 );
335 # reconnect on new port
336 $server = pack( $sockaddr, AF_INET, $reconnect, $serveraddr );
337 return 'socket() error on reconnect'
338 unless socket( S, AF_INET, SOCK_STREAM, $proto );
339 return "could not reconnect to $servername:$reconnect"
340 unless connect( S, $server );
349 print S pack( 'n2', 0, 0x7167 );
352 return 'server read error' unless read( S, $buffer, 40 ) == 40;
354 $infolen, $infocode, $style, $maxPlayers,
355 $maxShots, $rogueSize, $redSize, $greenSize,
356 $blueSize, $purpleSize, $rogueMax, $redMax,
357 $greenMax, $blueMax, $purpleMax, $shakeWins,
358 $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime
359 ) = unpack( 'n20', $buffer );
360 return 'bad server data' unless $infocode == 0x7167;
362 # send players request
363 print S pack( 'n2', 0, 0x7170 );
365 # get number of teams and players we'll be receiving
366 return 'count read error' unless read( S, $buffer, 8 ) == 8;
367 my ( $countlen, $countcode, $numTeams, $numPlayers ) =
368 unpack( 'n4', $buffer );
369 return 'bad count data' unless $countcode == 0x7170;
372 for ( 1 .. $numTeams ) {
373 return 'team read error' unless read( S, $buffer, 14 ) == 14;
374 my ( $teamlen, $teamcode, $team, $size, $aSize, $won, $lost ) =
375 unpack( 'n7', $buffer );
376 return 'bad team data' unless $teamcode == 0x7475;
378 my $score = $won - $lost;
379 $response .= "$teamName[$team]:$score($won-$lost) ";
384 for ( 1 .. $numPlayers ) {
385 last unless read( S, $buffer, 180 ) == 180;
387 $playerlen, $playercode, $pAddr, $pPort,
388 $pNum, $type, $team, $won,
390 ) = unpack( "n2Nn2 n4A32A128", $buffer );
391 return 'bad player data' unless $playercode == 0x6170;
392 my $score = $won - $lost;
393 $response .= " $sign($teamName[$team]";
394 $response .= ":$email" if ($email);
395 $response .= ")$score($won-$lost)";
397 $response .= "No Players" if ( $numPlayers <= 1 );
403 $response = "incompatible version: $version";
410 my ($servernameport) = @_;
411 &::performStrictReply( &querytext($servernameport) );
417 # vim:ts=4:sw=4:expandtab:tw=80