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.
22 eval "use LWP::UserAgent";
30 &main::status("BZFlag module requires Socket.");
31 return 'BZFlag module not active';
33 if ($message =~ /^bzfquery\s+([^:]*)(?::([0-9]*))?$/xi) {
34 $retval = &query($1,$2);
35 } elsif ($message =~ /^bzflist$/xi) {
38 $retval = "BZFlag: unhandled command \"$message\"";
40 &::performStrictReply($retval);
45 my $ua = new LWP::UserAgent;
49 my $req = HTTP::Request->new('GET', 'http://list.bzflag.org:5156/');
50 my $res = $ua->request($req);
52 for my $line (split("\n",$res->content)) {
53 my ($serverport, $version, $flags, $ip, $comments) = split(" ",$line,5);
54 # not "(A4)18" to handle old dumb perl
55 my ($style,$maxPlayers,$maxShots,
56 $rogueSize,$redSize,$greenSize,$blueSize,$purpleSize,
57 $rogueMax,$redMax,$greenMax,$blueMax,$purpleMax,
58 $shakeWins,$shakeTimeout,
59 $maxPlayerScore,$maxTeamScore,$maxTime) =
60 unpack("A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4A4", $flags);
61 my $playerSize = hex($rogueSize) + hex($redSize) + hex($greenSize)
62 + hex($blueSize) + hex($purpleSize);
63 $servers{$serverport} = $playerSize;
65 foreach my $key (sort {$servers{$b} <=> $servers{$a}} (keys(%servers))) {
66 if ($servers{$key} > 0) {
67 $response .= "$key($servers{$key}) ";
70 &::performStrictReply($response);
74 sub BZFlag::querytext {
75 my ($servernameport) = @_;
76 my ($servername,$port) = split(":",$servernameport);
78 &main::status("BZFlag module requires Socket.");
79 return 'BZFlag module not active';
81 #my @teamName = ("Rogue", "Red", "Green", "Blue", "Purple");
82 my @teamName = ("X", "R", "G", "B", "P");
83 my ($message, $server, $response);
84 $port = 5155 unless $port;
87 my $sockaddr = 'S n a4 x8';
90 my ($name,$aliases,$proto) = getprotobyname('tcp');
91 ($name,$aliases,$port) = getservbyname($port,'tcp') unless $port =~ /^\d+$/;
94 my ($type,$len,$serveraddr);
95 ($name,$aliases,$type,$len,$serveraddr) = gethostbyname($servername);
96 $server = pack($sockaddr, AF_INET, $port, $serveraddr);
99 return 'socket() error' unless socket(S1, AF_INET, SOCK_STREAM, $proto);
100 return "could not connect to $servername:$port" unless connect(S1, $server);
103 select(S1); $| = 1; select(STDOUT);
107 return 'read error' unless sysread(S1, $buffer, 10) == 10;
110 my ($magic,$major,$minor,$revision);
111 ($magic,$major,$minor,$revision,$port) = unpack("a4 a1 a2 a1 n", $buffer);
113 # quit if version isn't valid
114 return 'not a bzflag server' if ($magic ne "BZFS");
115 return 'incompatible version' if ($major < 1);
116 return 'incompatible version' if ($major == 1 && $minor < 7);
117 return 'incompatible version' if ($major == 1 && $minor == 7 && $revision eq "b");
120 return 'rejected by server' if ($port == 0);
122 # reconnect on new port
123 $server = pack($sockaddr, AF_INET, $port, $serveraddr);
124 return 'socket() error on reconnect' unless socket(S, AF_INET, SOCK_STREAM, $proto);
125 return "could not reconnect to $servername:$port" unless connect(S, $server);
126 select(S); $| = 1; select(STDOUT);
132 print S pack("n2", 0, 0x7167);
135 return 'server read error' unless sysread(S, $buffer, 40) == 40;
136 my ($infolen,$infocode,$style,$maxPlayers,$maxShots,
137 $rogueSize,$redSize,$greenSize,$blueSize,$purpleSize,
138 $rogueMax,$redMax,$greenMax,$blueMax,$purpleMax,
139 $shakeWins,$shakeTimeout,
140 $maxPlayerScore,$maxTeamScore,$maxTime) = unpack("n20", $buffer);
141 return 'bad server data' unless $infocode == 0x7167;
143 # send players request
144 print S pack("n2", 0, 0x7170);
146 # get number of teams and players we'll be receiving
147 return 'count read error' unless sysread(S, $buffer, 8) == 8;
148 my ($countlen,$countcode,$numTeams,$numPlayers) = unpack("n4", $buffer);
149 return 'bad count data' unless $countcode == 0x7170;
153 return 'team read error' unless sysread(S, $buffer, 14) == 14;
154 my ($teamlen,$teamcode,$team,$size,$aSize,$won,$lost) = unpack("n7", $buffer);
155 return 'bad team data' unless $teamcode == 0x7475;
157 my $score = $won - $lost;
158 $response .= "$teamName[$team]:$score($won-$lost) ";
163 for (1..$numPlayers) {
164 last unless sysread(S, $buffer, 180) == 180;
165 my ($playerlen,$playercode,$pAddr,$pPort,$pNum,$type,$team,$won,$lost,$sign,$email) =
166 unpack("n2Nn2 n4A32A128", $buffer);
167 return 'bad player data' unless $playercode == 0x6170;
168 my $score = $won - $lost;
169 $response .= " $sign($teamName[$team]";
170 $response .= ":$email" if ($email);
171 $response .= ")$score($won-$lost)";
173 $response .= "No Players" if ($numPlayers <= 1);
182 my ($servernameport) = @_;
183 &::performStrictReply(&querytext($servernameport));