+sub querytext {
+ my ($servernameport) = @_;
+ my ( $servername, $port ) = split( ":", $servernameport );
+ if ($no_BZFlag) {
+ &::status("BZFlag module requires Socket.");
+ return 'BZFlag module not active';
+ }
+
+#my @teamName = ('Rogue', 'Red', 'Green', 'Blue', 'Purple', 'Observer', 'Rabbit');
+ my @teamName = ( 'X', 'R', 'G', 'B', 'P', 'O', 'K' );
+ my ( $message, $server, $response );
+ $port = 5154 unless $port;
+
+ # socket define
+ my $sockaddr = 'S n a4 x8';
+
+ # port to port number
+ my ( $name, $aliases, $proto ) = getprotobyname('tcp');
+ ( $name, $aliases, $port ) = getservbyname( $port, 'tcp' )
+ unless $port =~ /^\d+$/;
+
+ # get server address
+ my ( $type, $len, $serveraddr );
+ ( $name, $aliases, $type, $len, $serveraddr ) = gethostbyname($servername);
+ $server = pack( $sockaddr, AF_INET, $port, $serveraddr );
+
+ # connect
+ # TODO wrap this with a 5 second alarm()
+ return 'socket() error' unless socket( S1, AF_INET, SOCK_STREAM, $proto );
+ return "could not connect to $servername:$port"
+ unless connect( S1, $server );
+
+ # don't buffer
+ select(S1);
+ $| = 1;
+ select(STDOUT);
+
+ # get hello
+ my $buffer;
+ return 'read error' unless read( S1, $buffer, 8 ) == 8;
+
+ # parse reply
+ my ( $magic, $major, $minor, $something, $revision ) =
+ unpack( "a4 a1 a1 a1 a1", $buffer );
+ my ($version) = $magic . $major . $minor . $something . $revision;
+
+ # quit if version isn't valid
+ return 'not a bzflag server' if ( $magic ne 'BZFS' );
+ $response .= "$major$minor$something$revision ";
+
+ # check version
+ if ( $version eq 'BZFS0026' ) {
+
+ # 1.11.x handled here
+ return 'read error' unless read( S1, $buffer, 1 ) == 1;
+ my ($id) = unpack( 'C', $buffer );
+ return "rejected by server" if ( $id == 255 );
+
+ # send game request
+ print S1 pack( 'n2', 0, 0x7167 );
+
+ # get reply
+ my $nbytes = read( S1, $buffer, 4 );
+ my ( $infolen, $infocode ) = unpack( 'n2', $buffer );
+ if ( $infocode == 0x6774 ) {
+
+ # read and ignore MsgGameTime from new servers
+ $nbytes = read( S1, $buffer, 8 );
+ $nbytes = read( S1, $buffer, 4 );
+ ( $infolen, $infocode ) = unpack( 'n2', $buffer );
+ }
+ $nbytes = read( S1, $buffer, 42 );
+ if ( $nbytes != 42 ) {
+ return "Error: read $nbytes bytes, expecting 46: $^E\n";
+ }
+
+ my (
+ $style, $maxPlayers, $maxShots, $rogueSize,
+ $redSize, $greenSize, $blueSize, $purpleSize,
+ $observerSize, $rogueMax, $redMax, $greenMax,
+ $blueMax, $purpleMax, $observerMax, $shakeWins,
+ $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime,
+ $timeElapsed
+ ) = unpack( 'n23', $buffer );
+ return "bad server data $infocode" unless $infocode == 0x7167;
+
+ # send players request
+ print S1 pack( 'n2', 0, 0x7170 );
+
+ # get number of teams and players we'll be receiving
+ return 'count read error' unless read( S1, $buffer, 8 ) == 8;
+ my ( $countlen, $countcode, $numTeams, $numPlayers ) =
+ unpack( 'n4', $buffer );
+
+ # get the teams
+ return 'bad count data' unless $countcode == 0x7170;
+ return 'count read error' unless read( S1, $buffer, 5 ) == 5;
+ ( $countlen, $countcode, $numTeams ) = unpack( "n n C", $buffer );
+ for ( 1 .. $numTeams ) {
+ return 'team read error' unless read( S1, $buffer, 8 ) == 8;
+ my ( $team, $size, $won, $lost ) = unpack( 'n4', $buffer );
+ if ( $size > 0 ) {
+ my $score = $won - $lost;
+ $response .= "$teamName[$team]:$score($won-$lost) ";
+ }
+ }
+
+ # get the players
+ for ( 1 .. $numPlayers ) {
+ last unless read( S1, $buffer, 175 ) == 175;
+ my (
+ $playerlen, $playercode, $pID, $type, $team,
+ $won, $lost, $tks, $sign, $email
+ ) = unpack( 'n2Cn5A32A128', $buffer );
+
+#my ($playerlen,$playercode,$pAddr,$pPort,$pNum,$type,$team,$won,$lost,$sign,$email) =
+# unpack("n2Nn2 n4A32A128", $buffer);
+ return 'bad player data' unless $playercode == 0x6170;
+ my $score = $won - $lost;
+ $response .= " $sign($teamName[$team]";
+ $response .= ":$email" if ($email);
+ $response .= ")$score($won-$lost)";
+ }
+ $response .= "No Players" if ( $numPlayers < 1 );
+
+ # close socket
+ }
+ elsif ( $major == 1 && $minor == 9 ) {
+
+ # 1.10.x handled here
+ $revision = $something * 10 + $revision;
+ return 'read error' unless read( S1, $buffer, 1 ) == 1;
+ my ($id) = unpack( 'C', $buffer );
+
+ # send game request
+ print S1 pack( 'n2', 0, 0x7167 );
+
+ # FIXME the packets are wrong from here down
+ # get reply
+ return 'server read error' unless read( S1, $buffer, 40 ) == 40;
+ my (
+ $infolen, $infocode, $style, $maxPlayers,
+ $maxShots, $rogueSize, $redSize, $greenSize,
+ $blueSize, $purpleSize, $rogueMax, $redMax,
+ $greenMax, $blueMax, $purpleMax, $shakeWins,
+ $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime
+ ) = unpack( 'n20', $buffer );
+ return 'bad server data' unless $infocode == 0x7167;
+
+ # send players request
+ print S1 pack( 'n2', 0, 0x7170 );
+
+ # get number of teams and players we'll be receiving
+ return 'count read error' unless read( S1, $buffer, 8 ) == 8;
+ my ( $countlen, $countcode, $numTeams, $numPlayers ) =
+ unpack( 'n4', $buffer );
+
+ # get the teams
+ return 'bad count data' unless $countcode == 0x7170;
+ return 'count read error' unless read( S1, $buffer, 5 ) == 5;
+ ( $countlen, $countcode, $numTeams ) = unpack( "n n C", $buffer );
+ for ( 1 .. $numTeams ) {
+ return 'team read error' unless read( S1, $buffer, 8 ) == 8;
+ my ( $team, $size, $won, $lost ) = unpack( 'n4', $buffer );
+ if ( $size > 0 ) {
+ my $score = $won - $lost;
+ $response .= "$teamName[$team]:$score($won-$lost) ";
+ }
+ }
+
+ # get the players
+ for ( 1 .. $numPlayers ) {
+ last unless read( S1, $buffer, 175 ) == 175;
+ my (
+ $playerlen, $playercode, $pID, $type, $team,
+ $won, $lost, $tks, $sign, $email
+ ) = unpack( 'n2Cn5A32A128', $buffer );
+
+#my ($playerlen,$playercode,$pAddr,$pPort,$pNum,$type,$team,$won,$lost,$sign,$email) =
+# unpack("n2Nn2 n4A32A128", $buffer);
+ return 'bad player data' unless $playercode == 0x6170;
+ my $score = $won - $lost;
+ $response .= " $sign($teamName[$team]";
+ $response .= ":$email" if ($email);
+ $response .= ")$score($won-$lost)";
+ }
+ $response .= "No Players" if ( $numPlayers < 1 );
+
+ # close socket
+ close(S1);
+ }
+ elsif ( $major == 1 && $minor == 0 && $something == 7 ) {
+
+ # 1.7* versions handled here
+ # old servers send a reconnect port number
+ return 'read error' unless read( S1, $buffer, 2 ) == 2;
+ my ($reconnect) = unpack( 'n', $buffer );
+ $minor = $minor * 10 + $something;
+
+ # quit if rejected
+ return 'rejected by server' if ( $reconnect == 0 );
+
+ # reconnect on new port
+ $server = pack( $sockaddr, AF_INET, $reconnect, $serveraddr );
+ return 'socket() error on reconnect'
+ unless socket( S, AF_INET, SOCK_STREAM, $proto );
+ return "could not reconnect to $servername:$reconnect"
+ unless connect( S, $server );
+ select(S);
+ $| = 1;
+ select(STDOUT);
+
+ # close first socket
+ close(S1);
+
+ # send game request
+ print S pack( 'n2', 0, 0x7167 );
+
+ # get reply
+ return 'server read error' unless read( S, $buffer, 40 ) == 40;
+ my (
+ $infolen, $infocode, $style, $maxPlayers,
+ $maxShots, $rogueSize, $redSize, $greenSize,
+ $blueSize, $purpleSize, $rogueMax, $redMax,
+ $greenMax, $blueMax, $purpleMax, $shakeWins,
+ $shakeTimeout, $maxPlayerScore, $maxTeamScore, $maxTime
+ ) = unpack( 'n20', $buffer );
+ return 'bad server data' unless $infocode == 0x7167;
+
+ # send players request
+ print S pack( 'n2', 0, 0x7170 );
+
+ # get number of teams and players we'll be receiving
+ return 'count read error' unless read( S, $buffer, 8 ) == 8;
+ my ( $countlen, $countcode, $numTeams, $numPlayers ) =
+ unpack( 'n4', $buffer );
+ return 'bad count data' unless $countcode == 0x7170;
+
+ # get the teams
+ for ( 1 .. $numTeams ) {
+ return 'team read error' unless read( S, $buffer, 14 ) == 14;
+ my ( $teamlen, $teamcode, $team, $size, $aSize, $won, $lost ) =
+ unpack( 'n7', $buffer );
+ return 'bad team data' unless $teamcode == 0x7475;
+ if ( $size > 0 ) {
+ my $score = $won - $lost;
+ $response .= "$teamName[$team]:$score($won-$lost) ";
+ }
+ }
+
+ # get the players
+ for ( 1 .. $numPlayers ) {
+ last unless read( S, $buffer, 180 ) == 180;
+ my (
+ $playerlen, $playercode, $pAddr, $pPort,
+ $pNum, $type, $team, $won,
+ $lost, $sign, $email
+ ) = unpack( "n2Nn2 n4A32A128", $buffer );
+ return 'bad player data' unless $playercode == 0x6170;
+ my $score = $won - $lost;
+ $response .= " $sign($teamName[$team]";
+ $response .= ":$email" if ($email);
+ $response .= ")$score($won-$lost)";
+ }
+ $response .= "No Players" if ( $numPlayers <= 1 );
+
+ # close socket
+ close(S);
+ }
+ else {
+ $response = "incompatible version: $version";
+ }
+
+ return $response;
+}
+
+sub query {
+ my ($servernameport) = @_;
+ &::performStrictReply( &querytext($servernameport) );
+ return;