3 our $VERSION = '0.4.2 svn $Revision$';
5 # Copyright (c) 2008 Rudolf "divVerent" Polzer
7 # Permission is hereby granted, free of charge, to any person
8 # obtaining a copy of this software and associated documentation
9 # files (the "Software"), to deal in the Software without
10 # restriction, including without limitation the rights to use,
11 # copy, modify, merge, publish, distribute, sublicense, and/or sell
12 # copies of the Software, and to permit persons to whom the
13 # Software is furnished to do so, subject to the following
16 # The above copyright notice and this permission notice shall be
17 # included in all copies or substantial portions of the Software.
19 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
21 # OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 # OTHER DEALINGS IN THE SOFTWARE.
28 # MISC STRING UTILITY ROUTINES to convert between DarkPlaces and IRC conventions
30 # convert mIRC color codes to DP color codes
31 our @color_irc2dp_table = (7, 0, 4, 2, 1, 1, 6, 1, 3, 2, 5, 5, 4, 6, 7, 7);
32 our @color_dp2irc_table = (-1, 4, 9, 8, 12, 11, 13, -1, -1, -1); # not accurate, but legible
33 our @color_dp2ansi_table = ("m", "1;31m", "1;32m", "1;33m", "1;34m", "1;36m", "1;35m", "m", "1m", "1m"); # not accurate, but legible
34 our %color_team2dp_table = (5 => 1, 14 => 4, 13 => 3, 10 => 6);
35 our %color_team2irc_table = (5 => 4, 14 => 12, 13 => 8, 10 => 13);
39 $message =~ s/\^/^^/g;
41 $message =~ s{\003(\d\d?)(?:,(\d?\d?))?|(\017)}{
42 # $1 is FG, $2 is BG, but let's ignore BG
43 my $oldcolor = $color;
50 $color = $color_irc2dp_table[$1];
51 $color = $oldcolor if not defined $color;
53 ($color == $oldcolor) ? '' : '^' . $color;
55 $message =~ s{[\000-\037]}{}gs; # kill bold etc. for now
59 our @text_qfont_table = ( # ripped from DP console.c qfont_table
60 "\0", '#', '#', '#', '#', '.', '#', '#',
61 '#', 9, 10, '#', ' ', 13, '.', '.',
62 '[', ']', '0', '1', '2', '3', '4', '5',
63 '6', '7', '8', '9', '.', '<', '=', '>',
64 ' ', '!', '"', '#', '$', '%', '&', '\'',
65 '(', ')', '*', '+', ',', '-', '.', '/',
66 '0', '1', '2', '3', '4', '5', '6', '7',
67 '8', '9', ':', ';', '<', '=', '>', '?',
68 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
69 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
70 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
71 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
72 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
73 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
74 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
75 'x', 'y', 'z', '{', '|', '}', '~', '<',
76 '<', '=', '>', '#', '#', '.', '#', '#',
77 '#', '#', ' ', '#', ' ', '>', '.', '.',
78 '[', ']', '0', '1', '2', '3', '4', '5',
79 '6', '7', '8', '9', '.', '<', '=', '>',
80 ' ', '!', '"', '#', '$', '%', '&', '\'',
81 '(', ')', '*', '+', ',', '-', '.', '/',
82 '0', '1', '2', '3', '4', '5', '6', '7',
83 '8', '9', ':', ';', '<', '=', '>', '?',
84 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
85 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
86 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
87 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
88 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
89 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
90 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
91 'x', 'y', 'z', '{', '|', '}', '~', '<'
96 $message = join '', map { $text_qfont_table[ord $_] } split //, $message;
99 sub color_dp_transform(&$)
101 my ($block, $message) = @_;
103 $message =~ s{(?:(\^\^)|\^x([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])|\^([0-9])|(.))(?=([0-9,]?))}{
104 defined $1 ? $block->(char => '^', $7) :
105 defined $2 ? $block->(rgb => [hex $2, hex $3, hex $4], $7) :
106 defined $5 ? $block->(color => $5, $7) :
107 defined $6 ? $block->(char => $6, $7) :
118 return color_dp_transform
120 my ($type, $data, $next) = @_;
122 ? $text_qfont_table[ord $data]
128 sub color_rgb2basic($)
131 my ($R, $G, $B) = @$data;
132 my $min = [sort { $a <=> $b } ($R, $G, $B)]->[0];
133 my $max = [sort { $a <=> $b } ($R, $G, $B)]->[-1];
136 my $s = ($max == $min) ? 0 : 1 - $min/$max;
140 return 0 if $v < 0.5;
151 $h = (60 * ($G - $B) / ($max - $min)) % 360;
155 $h = (60 * ($B - $R) / ($max - $min)) + 120;
159 $h = (60 * ($R - $G) / ($max - $min)) + 240;
164 return 2 if $h < 150;
165 return 5 if $h < 200;
166 return 4 if $h < 270;
167 return 6 if $h < 330;
171 sub color_dp_rgb2basic($)
174 return color_dp_transform
176 my ($type, $data, $next) = @_;
177 $type eq 'char' ? ($data eq '^' ? '^^' : $data) :
178 $type eq 'color' ? "^$data" :
179 $type eq 'rgb' ? "^" . color_rgb2basic $data :
189 return color_dp_transform
191 my ($type, $data, $next) = @_;
196 $data = color_rgb2basic $data;
199 $type eq 'char' ? $text_qfont_table[ord $data] :
200 $type eq 'color' ? do {
201 my $oldcolor = $color;
202 $color = $color_dp2irc_table[$data];
204 $color == $oldcolor ? '' :
205 $color < 0 ? "\017" :
206 $next eq ',' ? "\003$color\002\002" :
207 sprintf "\003%02d", $color;
218 return color_dp_transform
220 my ($type, $data, $next) = @_;
225 $data = color_rgb2basic $data;
228 $type eq 'char' ? $text_qfont_table[ord $data] :
229 $type eq 'color' ? do {
230 my $oldcolor = $color;
231 $color = $color_dp2ansi_table[$data];
233 $color eq $oldcolor ? '' :
244 # if the message ends with an odd number of ^, kill one
245 chop $message if $message =~ /(?:^|[^\^])\^(\^\^)*$/;
254 # $conn->sockname() returns a connection type specific representation
255 # string of the local address, or undef if not applicable.
256 # $conn->send("string") sends something over the connection.
257 # $conn->recv() receives a string from the connection, or returns "" if no
259 # $conn->fds() returns all file descriptors used by the connection, so one
260 # can use select() on them.
262 # Usually wraps around a connection and implements a command based
263 # structure over it. It usually is constructed using new
264 # ChannelType($connection, someparameters...)
265 # @cmds = $chan->join_commands(@cmds) joins multiple commands to a single
266 # command string if the protocol supports it, or does nothing and leaves
267 # @cmds unchanged if the protocol does not support that usage (this is
268 # meant to save send() invocations).
269 # $chan->send($command, $nothrottle) sends a command over the channel. If
270 # $nothrottle is sent, the command must not be left out even if the channel
271 # is saturated (for example, because of IRC's flood control mechanism).
272 # $chan->quote($str) returns a string in a quoted form so it can safely be
273 # inserted as a substring into a command, or returns $str as is if not
274 # applicable. It is assumed that the result of the quote method is used
275 # as part of a quoted string, if the protocol supports that.
276 # $chan->recv() returns a list of received commands from the channel, or
277 # the empty list if none are available.
278 # $conn->fds() returns all file descriptors used by the channel's
279 # connections, so one can use select() on them.
288 # Represents a connection over a socket.
289 # Mainly used to wrap a channel around it for, in this case, line based or rcon-like operation.
290 package Connection::Socket;
293 use IO::Socket::INET;
297 # my $conn = new Connection::Socket(tcp => "localaddress" => "remoteaddress" => 6667);
298 # If the remote address does not contain a port number, the numeric port is
299 # used (it serves as a default port).
302 my ($class, $proto, $local, $remote, $defaultport) = @_;
303 my $sock = IO::Socket::INET->new(
305 (length($local) ? (LocalAddr => $local) : ()),
307 PeerPort => $defaultport
308 ) or die "socket $proto/$local/$remote: $!";
311 # Mortal fool! Release me from this wretched tomb! I must be set free
312 # or I will haunt you forever! I will hide your keys beneath the
313 # cushions of your upholstered furniture... and NEVERMORE will you be
314 # able to find socks that match!
316 # My demonic powers have made me OMNIPOTENT! Bwahahahahahahaha!
319 bless $you, 'Connection::Socket';
322 # $sock->sockname() returns the local address of the socket.
326 my ($port, $addr) = sockaddr_in $self->{sock}->sockname();
327 return "@{[inet_ntoa $addr]}:$port";
330 # $sock->send($data) sends some data over the socket; on success, 1 is returned.
333 my ($self, $data) = @_;
336 if(not eval { $self->{sock}->send($data); })
344 # $sock->recv() receives as much as possible from the socket (or at most 32k). Returns "" if no data is available.
349 if(defined $self->{sock}->recv($data, 32768, 0))
363 # $sock->fds() returns the socket file descriptor.
367 return fileno $self->{sock};
376 # Line-based buffered connectionless FIFO channel.
377 # Whatever is sent to it using send() is echoed back when using recv().
378 package Channel::FIFO;
383 # my $chan = new Channel::FIFO();
391 bless $you, 'Channel::FIFO';
394 sub join_commands($@)
396 my ($self, @data) = @_;
402 my ($self, $line, $nothrottle) = @_;
403 push @{$self->{buffer}}, $line;
408 my ($self, $data) = @_;
415 my $r = $self->{buffer};
416 $self->{buffer} = [];
432 # QW rcon protocol channel.
433 # Wraps around a UDP based Connection and sends commands as rcon commands as
434 # well as receives rcon replies. The quote and join_commands methods are using
435 # DarkPlaces engine specific rcon protocol extensions.
441 # my $chan = new Channel::QW($connection, "password");
444 my ($class, $conn, $password) = @_;
447 password => $password,
451 bless $you, 'Channel::QW';
454 # Note: multiple commands in one rcon packet is a DarkPlaces extension.
455 sub join_commands($@)
457 my ($self, @data) = @_;
458 return join "\0", @data;
463 my ($self, $line, $nothrottle) = @_;
464 return $self->{connector}->send("\377\377\377\377rcon $self->{password} $line");
467 # Note: backslash and quotation mark escaping is a DarkPlaces extension.
470 my ($self, $data) = @_;
471 $data =~ s/[\000-\037]//g;
472 $data =~ s/([\\"])/\\$1/g;
473 $data =~ s/\$/\$\$/g;
482 my $s = $self->{connector}->recv();
488 if $s !~ /^\377\377\377\377n(.*)$/s;
489 $self->{recvbuf} .= $1;
492 while($self->{recvbuf} =~ s/^(.*?)(?:\r\n?|\n)//)
502 return $self->{connector}->fds();
511 # Line based protocol channel.
512 # Wraps around a TCP based Connection and sends commands as text lines
513 # (separated by CRLF). When reading responses from the Connection, any type of
514 # line ending is accepted.
515 # A flood control mechanism is implemented.
516 package Channel::Line;
519 use Time::HiRes qw/time/;
522 # my $chan = new Channel::Line($connection);
525 my ($class, $conn) = @_;
535 bless $you, 'Channel::Line';
538 sub join_commands($@)
540 my ($self, @data) = @_;
544 # Sets new flood control parameters:
545 # $chan->throttle(maximum lines per second, maximum burst length allowed to
546 # exceed the lines per second limit);
547 # RFC 1459 describes these parameters to be 0.5 and 5 for the IRC protocol.
548 # If the $nothrottle flag is set while sending, the line is sent anyway even
549 # if flooding would take place.
552 my ($self, $linepersec, $maxlines) = @_;
553 $self->{linepersec} = $linepersec;
554 $self->{maxlines} = $maxlines;
555 $self->{capacity} = $maxlines;
560 my ($self, $line, $nothrottle) = @_;
562 if(defined $self->{capacity})
564 $self->{capacity} += ($t - $self->{lastsend}) * $self->{linepersec};
565 $self->{lastsend} = $t;
566 $self->{capacity} = $self->{maxlines}
567 if $self->{capacity} > $self->{maxlines};
571 if $self->{capacity} < 0;
573 $self->{capacity} -= 1;
576 return $self->{connector}->send("$line\r\n");
581 my ($self, $data) = @_;
582 $data =~ s/\r\n?/\n/g;
592 my $s = $self->{connector}->recv();
597 $self->{recvbuf} .= $s;
600 while($self->{recvbuf} =~ s/^(.*?)(?:\r\n?|\n)//)
610 return $self->{connector}->fds();
618 # main program... a gateway between IRC and DarkPlaces servers
625 use Time::HiRes qw/time/;
627 our @handlers = (); # list of [channel, expression, sub to handle result]
628 our @tasks = (); # list of [time, sub]
632 playernick_byid_0 => "(console)",
638 irc_channel => undef,
639 irc_ping_delay => 120,
642 irc_nickserv_password => "",
643 irc_nickserv_identify => 'PRIVMSG NickServ :IDENTIFY %2$s',
644 irc_nickserv_ghost => 'PRIVMSG NickServ :GHOST %1$s %2$s',
645 irc_nickserv_ghost_attempts => 3,
647 irc_quakenet_authname => "",
648 irc_quakenet_password => "",
649 irc_quakenet_getchallenge => 'PRIVMSG Q@CServe.quakenet.org :CHALLENGE',
650 irc_quakenet_challengeauth => 'PRIVMSG Q@CServe.quakenet.org :CHALLENGEAUTH',
651 irc_quakenet_challengeprefix => ':Q!TheQBot@CServe.quakenet.org NOTICE [^:]+ :CHALLENGE',
655 dp_password => undef,
656 dp_status_delay => 30,
657 dp_server_from_wan => "",
660 irc_admin_password => "",
661 irc_admin_timeout => 3600,
668 # Nexuiz specific parsing of some server messages
670 sub nex_is_teamplay($)
673 return $map =~ /^(?:kh|ctf|tdm|dom)_/;
676 sub nex_slotsstring()
679 if(defined $store{slots_max})
681 my $slots = $store{slots_max} - $store{slots_active};
682 my $slots_s = ($slots == 1) ? '' : 's';
683 $slotsstr = " ($slots free slot$slots_s)";
684 my $s = $config{dp_server_from_wan} || $config{dp_server};
685 $slotsstr .= "; join now: \002nexuiz +connect $s"
686 if $slots >= 1 and not $store{lms_blocked};
693 # Do we have a config file? If yes, read and parse it (syntax: key = value
694 # pairs, separated by newlines), if not, complain.
695 die "Usage: $0 configfile\n"
698 open my $fh, "<", $ARGV[0]
699 or die "open $ARGV[0]: $!";
704 /^(.*?)\s*=(?:\s*(.*))?$/ or next;
705 warn "Undefined config item: $1"
706 unless exists $config{$1};
707 $config{$1} = defined $2 ? $2 : "";
710 my @missing = grep { !defined $config{$_} } keys %config;
711 die "The following config items are missing: @missing"
716 # Create a channel for error messages and other internal status messages...
718 $channels{system} = new Channel::FIFO();
720 # for example, quit messages caused by signals (if SIGTERM or SIGINT is first
721 # received, try to shut down cleanly, and if such a signal is received a second
725 exit 1 if $quitting++;
726 $channels{system}->send("quit SIGINT");
729 exit 1 if $quitting++;
730 $channels{system}->send("quit SIGTERM");
735 # Create the two channels to gateway between...
737 $channels{irc} = new Channel::Line(new Connection::Socket(tcp => $config{irc_local} => $config{irc_server} => 6667));
738 $channels{dp} = new Channel::QW(my $dpsock = new Connection::Socket(udp => $config{dp_listen} => $config{dp_server} => 26000), $config{dp_password});
739 $config{dp_listen} = $dpsock->sockname();
740 print "Listening on $config{dp_listen}\n";
742 $channels{irc}->throttle(0.5, 5);
745 # Utility routine to write to a channel by name, also outputting what's been written and some status
749 my $nothrottle = shift;
750 my $chan = $channels{$chanstr};
753 print "UNDEFINED: $chanstr, ignoring message\n";
756 @_ = $chan->join_commands(@_);
759 my $result = $chan->send($_, $nothrottle);
762 print " $chanstr << $_\n";
766 print "FLOOD: $chanstr << $_\n";
770 print "ERROR: $chanstr << $_\n";
771 $channels{system}->send("error $chanstr", 0);
778 # Schedule a task for later execution by the main loop; usage: schedule sub {
779 # task... }, $time; When a scheduled task is run, a reference to the task's own
780 # sub is passed as first argument; that way, the task is able to re-schedule
781 # itself so it gets periodically executed.
784 my ($sub, $time) = @_;
785 push @tasks, [time() + $time, $sub];
788 # On IRC error, delete some data store variables of the connection, and
789 # reconnect to the IRC server soon (but only if someone is actually playing)
792 # prevent multiple instances of this timer
793 return if $store{irc_error_active};
794 $store{irc_error_active} = 1;
796 delete $channels{irc};
799 if(!defined $store{slots_full})
801 # DP is not running, then delay IRC reconnecting
802 #use Data::Dumper; print Dumper \$timer;
803 schedule $timer => 1;;
805 # this will keep irc_error_active
807 $channels{irc} = new Channel::Line(new Connection::Socket(tcp => "" => $config{irc_server}));
808 delete $store{$_} for grep { /^irc_/ } keys %store;
809 $store{irc_nick} = "";
812 out dp => 0, 'sv_cmd bans', 'status 1', 'log_dest_udp';
813 $store{status_waiting} = -1;
815 # this will clear irc_error_active
820 # IRC joining (if this is called as response to a nick name collision, $is433 is set);
821 # among other stuff, it performs NickServ or Quakenet authentication. This is to be called
822 # until the channel has been joined for every message that may be "interesting" (basically,
823 # IRC 001 hello messages, 443 nick collision messages and some notices by services).
829 if $store{irc_joined_channel};
831 #use Data::Dumper; print Dumper \%store;
835 if(length $store{irc_nick})
837 # we already have another nick, but couldn't change to the new one
838 # try ghosting and then get the nick again
839 if(length $config{irc_nickserv_password})
841 if(++$store{irc_nickserv_ghost_attempts} <= $config{irc_nickserv_ghost_attempts})
843 $store{irc_nick_requested} = $config{irc_nick};
844 out irc => 1, sprintf($config{irc_nickserv_ghost}, $config{irc_nick}, $config{irc_nickserv_password});
846 out irc => 1, "NICK $config{irc_nick}";
848 return; # we'll get here again for the NICK success message, or for a 433 failure
850 # otherwise, we failed to ghost and will continue with the wrong
851 # nick... also, no need to try to identify here
853 # otherwise, we can't handle this and will continue with our wrong nick
857 # we failed to get an initial nickname
858 # change ours a bit and try again
859 if(length $store{irc_nick_requested} < 9)
861 $store{irc_nick_requested} .= '_';
865 substr $store{irc_nick_requested}, int(rand length $store{irc_nick_requested}), 1, chr(97 + int rand 26);
867 out irc => 1, "NICK $store{irc_nick_requested}";
868 return; # when it fails, we'll get here again, and when it succeeds, we will continue
872 # we got a 001 or a NICK message, so $store{irc_nick} has been updated
873 if(length $config{irc_nickserv_password})
875 if($store{irc_nick} eq $config{irc_nick})
878 out irc => 1, sprintf($config{irc_nickserv_identify}, $config{irc_nick}, $config{irc_nickserv_password});
883 if(++$store{irc_nickserv_ghost_attempts} <= $config{irc_nickserv_ghost_attempts})
885 $store{irc_nick_requested} = $config{irc_nick};
886 out irc => 1, sprintf($config{irc_nickserv_ghost}, $config{irc_nick}, $config{irc_nickserv_password});
888 out irc => 1, "NICK $config{irc_nick}";
890 return; # we'll get here again for the NICK success message, or for a 433 failure
892 # otherwise, we failed to ghost and will continue with the wrong
893 # nick... also, no need to try to identify here
897 # we are on Quakenet. Try to authenticate.
898 if(length $config{irc_quakenet_password} and length $config{irc_quakenet_authname})
900 if(defined $store{irc_quakenet_challenge})
902 if($store{irc_quakenet_challenge} =~ /^MD5 (.*)/)
904 out irc => 1, "$config{irc_quakenet_challengeauth} $config{irc_quakenet_authname} " . Digest::MD5::md5_hex("$config{irc_quakenet_password} $1");
909 out irc => 1, $config{irc_quakenet_getchallenge};
911 # we get here again when Q asks us
915 # if we get here, we are on IRC
916 $store{irc_joined_channel} = 1;
918 out irc => 1, "JOIN $config{irc_channel}";
923 my $RE_FAIL = qr/$ $/;
924 my $RE_SUCCEED = qr//;
927 return $_[0] ? $RE_FAIL : $RE_SUCCEED;
931 # List of all handlers on the various sockets. Additional handlers can be added by a plugin.
933 # detect a server restart and set it up again
934 [ dp => q{ *(?:Warning: Could not expand \$|Unknown command ")(?:rcon2irc_[a-z0-9_]*)[" ]*} => sub {
936 'alias rcon2irc_eval "$*"',
938 'sv_logscores_console 0',
939 'sv_logscores_bots 1',
941 'sv_eventlog_console 1',
942 'alias rcon2irc_say_as "set say_as_restorenick \"$sv_adminnick\"; sv_adminnick \"$1^3\"; say \"^7$2\"; rcon2irc_say_as_restore"',
943 'alias rcon2irc_say_as_restore "set sv_adminnick \"$say_as_restorenick\""',
944 'alias rcon2irc_quit "echo \"quitting rcon2irc $1: log_dest_udp is $log_dest_udp\""'; # note: \\\\\\" ->perl \\\" ->console \"
948 # detect missing entry in log_dest_udp and fix it
949 [ dp => q{"log_dest_udp" is "([^"]*)" \["[^"]*"\]} => sub {
951 my @dests = split ' ', $dest;
952 return 0 if grep { $_ eq $config{dp_listen} } @dests;
953 out dp => 0, 'log_dest_udp "' . join(" ", @dests, $config{dp_listen}) . '"';
957 # retrieve list of banned hosts
958 [ dp => q{#(\d+): (\S+) is still banned for (\S+) seconds} => sub {
959 return 0 unless $store{status_waiting} < 0;
960 my ($id, $ip, $time) = @_;
961 $store{bans_new} = [] if $id == 0;
962 $store{bans_new}[$id] = { ip => $ip, 'time' => $time };
966 # retrieve hostname from status replies
967 [ dp => q{host: (.*)} => sub {
968 return 0 unless $store{status_waiting} < 0;
970 $store{dp_hostname} = $name;
971 $store{bans} = $store{bans_new};
975 # retrieve version from status replies
976 [ dp => q{version: (.*)} => sub {
977 return 0 unless $store{status_waiting} < 0;
979 $store{dp_version} = $version;
983 # retrieve player names
984 [ dp => q{players: (\d+) active \((\d+) max\)} => sub {
985 return 0 unless $store{status_waiting} < 0;
986 my ($active, $max) = @_;
987 my $full = ($active >= $max);
988 $store{slots_max} = $max;
989 $store{slots_active} = $active;
990 $store{status_waiting} = $active;
991 $store{playerslots_active_new} = [];
992 if($store{status_waiting} == 0)
994 $store{playerslots_active} = $store{playerslots_active_new};
996 if($full != ($store{slots_full} || 0))
998 $store{slots_full} = $full;
1000 if $store{lms_blocked};
1003 out irc => 0, "PRIVMSG $config{irc_channel} :\001ACTION is full!\001";
1007 my $slotsstr = nex_slotsstring();
1008 out irc => 0, "PRIVMSG $config{irc_channel} :\001ACTION can be joined again$slotsstr!\001";
1014 # retrieve player names
1015 [ dp => q{\^\d(\S+)\s+(\d+)\s+(\d+)\s+(\S+)\s+(-?\d+)\s+\#(\d+)\s+\^\d(.*)} => sub {
1016 return 0 unless $store{status_waiting} > 0;
1017 my ($ip, $pl, $ping, $time, $frags, $no, $name) = ($1, $2, $3, $4, $5, $6, $7);
1018 $store{"playerslot_$no"} = { ip => $ip, pl => $pl, ping => $ping, 'time' => $time, frags => $frags, no => $no, name => $name };
1019 push @{$store{playerslots_active_new}}, $no;
1020 if(--$store{status_waiting} == 0)
1022 $store{playerslots_active} = $store{playerslots_active_new};
1027 # IRC admin commands
1028 [ irc => q{:(([^! ]*)![^ ]*) (?i:PRIVMSG) [^&#%]\S* :(.*)} => sub {
1029 return 0 unless $config{irc_admin_password} ne '';
1031 my ($hostmask, $nick, $command) = @_;
1032 my $dpnick = color_dpfix $nick;
1034 if($command eq "login $config{irc_admin_password}")
1036 $store{logins}{$hostmask} = time() + $config{irc_admin_timeout};
1037 out irc => 0, "PRIVMSG $nick :my wish is your command";
1041 if($command =~ /^login /)
1043 out irc => 0, "PRIVMSG $nick :invalid password";
1047 if(($store{logins}{$hostmask} || 0) < time())
1049 out irc => 0, "PRIVMSG $nick :authentication required";
1053 if($command =~ /^status(?: (.*))?$/)
1058 for my $slot(@{$store{playerslots_active} || []})
1060 my $s = $store{"playerslot_$slot"};
1062 if(not defined $match or index(color_dp2none($s->{name}), $match) >= 0)
1064 out irc => 0, sprintf 'PRIVMSG %s :%-21s %2i %4i %8s %4i #%-3u %s', $nick, $s->{ip}, $s->{pl}, $s->{ping}, $s->{time}, $s->{frags}, $slot, color_dp2irc $s->{name};
1073 out irc => 0, "PRIVMSG $nick :the server is empty";
1077 out irc => 0, "PRIVMSG $nick :no nicknames match";
1083 if($command =~ /^kick # (\d+) (.*)$/)
1085 my ($id, $reason) = ($1, $2);
1086 my $dpreason = color_irc2dp $reason;
1087 $dpreason =~ s/^(~?)(.*)/$1irc $dpnick: $2/g;
1088 $dpreason =~ s/(["\\])/\\$1/g;
1089 out dp => 0, "kick # $id $dpreason";
1090 my $slotnik = "playerslot_$id";
1091 out irc => 0, "PRIVMSG $nick :kicked #$id (@{[color_dp2irc $store{$slotnik}{name}]} @ $store{$slotnik}{ip}) ($reason)";
1095 if($command =~ /^kickban # (\d+) (\d+) (\d+) (.*)$/)
1097 my ($id, $bantime, $mask, $reason) = ($1, $2, $3, $4);
1098 my $dpreason = color_irc2dp $reason;
1099 $dpreason =~ s/^(~?)(.*)/$1irc $dpnick: $2/g;
1100 $dpreason =~ s/(["\\])/\\$1/g;
1101 out dp => 0, "kickban # $id $bantime $mask $dpreason";
1102 my $slotnik = "playerslot_$id";
1103 out irc => 0, "PRIVMSG $nick :kickbanned #$id (@{[color_dp2irc $store{$slotnik}{name}]} @ $store{$slotnik}{ip}), netmask $mask, for $bantime seconds ($reason)";
1107 if($command eq "bans")
1111 map { "$_ ($store{bans}[$_]{ip}, $store{bans}[$_]{time}s)" }
1112 0..@{$store{bans} || []}-1;
1113 $banlist = "no bans"
1115 out irc => 0, "PRIVMSG $nick :$banlist";
1119 if($command =~ /^unban (\d+)$/)
1122 out dp => 0, "unban $id";
1123 out irc => 0, "PRIVMSG $nick :removed ban $id ($store{bans}[$id]{ip})";
1127 out irc => 0, "PRIVMSG $nick :unknown command (supported: status [substring], kick # id reason, kickban # id bantime mask reason, bans, unban banid)";
1132 # LMS: detect "no more lives" message
1133 [ dp => q{\^4.*\^4 has no more lives left} => sub {
1134 if(!$store{lms_blocked})
1136 $store{lms_blocked} = 1;
1137 if(!$store{slots_full})
1140 if($store{lms_blocked})
1142 out irc => 0, "PRIVMSG $config{irc_channel} :\001ACTION can't be joined until next round (a player has no more lives left)\001";
1149 # detect IRC errors and reconnect
1150 [ irc => q{ERROR .*} => \&irc_error ],
1151 [ system => q{error irc} => \&irc_error ],
1154 [ irc => q{:[^ ]* 433 .*} => sub {
1155 return irc_joinstage(433);
1159 [ irc => q{:[^ ]* 001 .*} => sub {
1160 $store{irc_seen_welcome} = 1;
1161 $store{irc_nick} = $store{irc_nick_requested};
1162 return irc_joinstage(0);
1165 # IRC my nickname changed
1166 [ irc => q{:(?i:(??{$store{irc_nick}}))![^ ]* (?i:NICK) :(.*)} => sub {
1168 $store{irc_nick} = $n;
1169 return irc_joinstage(0);
1172 # Quakenet: challenge from Q
1173 [ irc => q{(??{$config{irc_quakenet_challengeprefix}}) (.*)} => sub {
1174 $store{irc_quakenet_challenge} = $1;
1175 return irc_joinstage(0);
1178 # shut down everything on SIGINT
1179 [ system => q{quit (.*)} => sub {
1181 out irc => 1, "QUIT :$cause";
1182 $store{quitcookie} = int rand 1000000000;
1183 out dp => 0, "rcon2irc_quit $store{quitcookie}";
1186 # remove myself from the log destinations and exit everything
1187 [ dp => q{quitting rcon2irc (??{$store{quitcookie}}): log_dest_udp is (.*) *} => sub {
1189 my @dests = grep { $_ ne $config{dp_listen} } split ' ', $dest;
1190 out dp => 0, 'log_dest_udp "' . join(" ", @dests) . '"';
1196 [ irc => q{PING (.*)} => sub {
1198 out irc => 1, "PONG $data";
1203 [ irc => q{:[^ ]* PONG .* :(.*)} => sub {
1206 if not defined $store{irc_pingtime};
1208 if $data ne $store{irc_pingtime};
1209 print "* measured IRC line delay: @{[time() - $store{irc_pingtime}]}\n";
1210 undef $store{irc_pingtime};
1214 # detect channel join message and note hostname length to get the maximum allowed line length
1215 [ irc => q{(:(?i:(??{$store{irc_nick}}))![^ ]* )(?i:JOIN) :(?i:(??{$config{irc_channel}}))} => sub {
1216 $store{irc_maxlen} = 510 - length($1);
1217 $store{irc_joined_channel} = 1;
1218 print "* detected maximum line length for channel messages: $store{irc_maxlen}\n";
1222 # chat: Nexuiz server -> IRC channel
1223 [ dp => q{\001(.*?)\^7: (.*)} => sub {
1224 my ($nick, $message) = map { color_dp2irc $_ } @_;
1225 out irc => 0, "PRIVMSG $config{irc_channel} :<$nick\017> $message";
1229 # chat: Nexuiz server -> IRC channel, nick set
1230 [ dp => q{:join:(\d+):(\d+):([^:]*):(.*)} => sub {
1231 my ($id, $slot, $ip, $nick) = @_;
1232 $nick = color_dp2irc $nick;
1233 $store{"playernick_byid_$id"} = $nick;
1234 $store{"playerip_byid_$id"} = $ip;
1235 $store{"playerslot_byid_$id"} = $slot;
1236 $store{"playerid_byslot_$slot"} = $id;
1240 # chat: Nexuiz server -> IRC channel, nick change/set
1241 [ dp => q{:name:(\d+):(.*)} => sub {
1242 my ($id, $nick) = @_;
1243 $nick = color_dp2irc $nick;
1244 my $oldnick = $store{"playernick_byid_$id"};
1245 out irc => 0, "PRIVMSG $config{irc_channel} :* $oldnick\017 is now known as $nick";
1246 $store{"playernick_byid_$id"} = $nick;
1250 # chat: Nexuiz server -> IRC channel, vote call
1251 [ dp => q{:vote:vcall:(\d+):(.*)} => sub {
1252 my ($id, $command) = @_;
1253 $command = color_dp2irc $command;
1254 my $oldnick = $id ? $store{"playernick_byid_$id"} : "(console)";
1255 out irc => 0, "PRIVMSG $config{irc_channel} :* $oldnick\017 calls a vote for \"$command\017\"";
1259 # chat: Nexuiz server -> IRC channel, vote stop
1260 [ dp => q{:vote:vstop:(\d+)} => sub {
1262 my $oldnick = $id ? $store{"playernick_byid_$id"} : "(console)";
1263 out irc => 0, "PRIVMSG $config{irc_channel} :* $oldnick\017 stopped the vote";
1267 # chat: Nexuiz server -> IRC channel, master login
1268 [ dp => q{:vote:vlogin:(\d+)} => sub {
1270 my $oldnick = $id ? $store{"playernick_byid_$id"} : "(console)";
1271 out irc => 0, "PRIVMSG $config{irc_channel} :* $oldnick\017 logged in as master";
1275 # chat: Nexuiz server -> IRC channel, master do
1276 [ dp => q{:vote:vdo:(\d+):(.*)} => sub {
1277 my ($id, $command) = @_;
1278 $command = color_dp2irc $command;
1279 my $oldnick = $id ? $store{"playernick_byid_$id"} : "(console)";
1280 out irc => 0, "PRIVMSG $config{irc_channel} :* $oldnick\017 used his master status to do \"$command\017\"";
1284 # chat: Nexuiz server -> IRC channel, result
1285 [ dp => q{:vote:v(yes|no|timeout):(\d+):(\d+):(\d+):(\d+):(-?\d+)} => sub {
1286 my ($result, $yes, $no, $abstain, $not, $min) = @_;
1287 my $spam = "$yes:$no" . (($min >= 0) ? " ($min needed)" : "") . ", $abstain didn't care, $not didn't vote";
1288 out irc => 0, "PRIVMSG $config{irc_channel} :* the vote ended with $result: $spam";
1292 # chat: IRC channel -> Nexuiz server
1293 [ irc => q{:([^! ]*)![^ ]* (?i:PRIVMSG) (?i:(??{$config{irc_channel}})) :(?i:(??{$store{irc_nick}}))(?: |: ?|, ?)(.*)} => sub {
1294 my ($nick, $message) = @_;
1295 $nick = color_dpfix $nick;
1296 # allow the nickname to contain colors in DP format! Therefore, NO color_irc2dp on the nickname!
1297 $message = color_irc2dp $message;
1298 $message =~ s/(["\\])/\\$1/g;
1299 out dp => 0, "rcon2irc_say_as \"$nick on IRC\" \"$message\"";
1304 length $config{irc_trigger}
1306 [ irc => q{:([^! ]*)![^ ]* (?i:PRIVMSG) (?i:(??{$config{irc_channel}})) :(?i:(??{$config{irc_trigger}}))(?: |: ?|, ?)(.*)} => sub {
1307 my ($nick, $message) = @_;
1308 $nick = color_dpfix $nick;
1309 # allow the nickname to contain colors in DP format! Therefore, NO color_irc2dp on the nickname!
1310 $message = color_irc2dp $message;
1311 $message =~ s/(["\\])/\\$1/g;
1312 out dp => 0, "rcon2irc_say_as \"$nick on IRC\" \"$message\"";
1319 # irc: CTCP VERSION reply
1320 [ irc => q{:([^! ]*)![^ ]* (?i:PRIVMSG) (?i:(??{$store{irc_nick}})) :\001VERSION( .*)?\001} => sub {
1322 my $ver = $store{dp_version} or return 0;
1323 $ver .= ", rcon2irc $VERSION";
1324 out irc => 0, "NOTICE $nick :\001VERSION $ver\001";
1327 # on game start, notify the channel
1328 [ dp => q{:gamestart:(.*):[0-9.]*} => sub {
1330 $store{playing} = 1;
1332 $store{map_starttime} = time();
1333 my $slotsstr = nex_slotsstring();
1334 out irc => 0, "PRIVMSG $config{irc_channel} :\00304" . $map . "\017 has begun$slotsstr";
1335 delete $store{lms_blocked};
1339 # on game over, clear the current map
1340 [ dp => q{:gameover} => sub {
1341 $store{playing} = 0;
1345 # scores: Nexuiz server -> IRC channel (start)
1346 [ dp => q{:scores:(.*):(\d+)} => sub {
1347 my ($map, $time) = @_;
1348 $store{scores} = {};
1349 $store{scores}{map} = $map;
1350 $store{scores}{time} = $time;
1351 $store{scores}{players} = [];
1352 delete $store{lms_blocked};
1356 # scores: Nexuiz server -> IRC channel, legacy format
1357 [ dp => q{:player:(-?\d+):(\d+):(\d+):(\d+):(\d+):(.*)} => sub {
1358 my ($frags, $deaths, $time, $team, $id, $name) = @_;
1359 return if not exists $store{scores};
1360 push @{$store{scores}{players}}, [$frags, $team, $name]
1361 unless $frags <= -666; # no spectators
1365 # scores: Nexuiz server -> IRC channel (CTF), legacy format
1366 [ dp => q{:teamscores:(\d+:-?\d*(?::\d+:-?\d*)*)} => sub {
1368 return if not exists $store{scores};
1369 $store{scores}{teams} = {split /:/, $teams};
1373 # scores: Nexuiz server -> IRC channel, new format
1374 [ dp => q{:player:see-labels:(-?\d+)[-0-9,]*:(\d+):(\d+):(\d+):(.*)} => sub {
1375 my ($frags, $time, $team, $id, $name) = @_;
1376 return if not exists $store{scores};
1377 push @{$store{scores}{players}}, [$frags, $team, $name];
1381 # scores: Nexuiz server -> IRC channel (CTF), new format
1382 [ dp => q{:teamscores:see-labels:(-?\d+)[-0-9,]*:(\d+)} => sub {
1383 my ($frags, $team) = @_;
1384 return if not exists $store{scores};
1385 $store{scores}{teams}{$team} = $frags;
1389 # scores: Nexuiz server -> IRC channel
1390 [ dp => q{:end} => sub {
1391 return if not exists $store{scores};
1392 my $s = $store{scores};
1393 delete $store{scores};
1394 my $teams_matter = nex_is_teamplay($s->{map});
1401 # put players into teams
1403 for(@{$s->{players}})
1405 my $thisteam = ($t{$_->[1]} ||= {score => 0, team => $_->[1], players => []});
1406 push @{$thisteam->{players}}, [$_->[0], $_->[1], $_->[2]];
1409 $thisteam->{score} = $s->{teams}{$_->[1]};
1413 $thisteam->{score} += $_->[0];
1417 # sort by team score
1418 @t = sort { $b->{score} <=> $a->{score} } values %t;
1420 # sort by player score
1424 @{$_->{players}} = sort { $b->[0] <=> $a->[0] } @{$_->{players}};
1425 push @p, @{$_->{players}};
1430 @p = sort { $b->[0] <=> $a->[0] } @{$s->{players}};
1433 # no display for empty server
1437 # make message fit somehow
1438 for my $maxnamelen(reverse 3..64)
1440 my $scores_string = "PRIVMSG $config{irc_channel} :\00304" . $s->{map} . "\017 ended:";
1446 $scores_string .= $sep . sprintf "\003%02d\%d\017", $color_team2irc_table{$_->{team}}, $_->{score};
1453 my ($frags, $team, $name) = @$_;
1454 $name = color_dpfix substr($name, 0, $maxnamelen);
1457 $name = "\003" . $color_team2irc_table{$team} . " " . color_dp2none $name;
1461 $name = " " . color_dp2irc $name;
1463 $scores_string .= "$sep$name\017 $frags";
1466 if(length($scores_string) <= ($store{irc_maxlen} || 256))
1468 out irc => 0, $scores_string;
1472 out irc => 0, "PRIVMSG $config{irc_channel} :\001ACTION would have LIKED to put the scores here, but they wouldn't fit :(\001";
1476 # complain when system load gets too high
1477 [ dp => q{timing: (([0-9.]*)% CPU, ([0-9.]*)% lost, offset avg ([0-9.]*)ms, max ([0-9.]*)ms, sdev ([0-9.]*)ms)} => sub {
1478 my ($all, $cpu, $lost, $avg, $max, $sdev) = @_;
1479 return 0 # don't complain when just on the voting screen
1480 if !$store{playing};
1481 return 0 # don't complain if it was less than 0.5%
1483 return 0 # don't complain if nobody is looking
1484 if $store{slots_active} == 0;
1485 return 0 # don't complain in the first two minutes
1486 if time() - $store{map_starttime} < 120;
1487 return 0 # don't complain if it was already at least half as bad in this round
1488 if $store{map_starttime} == $store{timingerror_map_starttime} and $lost <= 2 * $store{timingerror_lost};
1489 $store{timingerror_map_starttime} = $store{map_starttime};
1490 $store{timingerror_lost} = $lost;
1491 out dp => 0, 'rcon2irc_say_as server "There are currently some severe system load problems. The admins have been notified."';
1492 out irc => 1, "PRIVMSG $config{irc_channel} :\001ACTION has big trouble on $store{map} after @{[int(time() - $store{map_starttime})]}s: $all\001";
1493 #out irc => 1, "PRIVMSG OpBaI :\001ACTION has big trouble on $store{map} after @{[int(time() - $store{map_starttime})]}s: $all\001";
1500 # Load plugins and add them to the handler list in the front.
1501 for my $p(split ' ', $config{plugins})
1503 my @h = eval { do $p; }
1504 or die "Invalid plugin $p: $@";
1507 ref $_ eq 'ARRAY' or die "Invalid plugin $p: did not return a list of arrays";
1508 @$_ == 3 or die "Invalid plugin $p: did not return a list of three-element arrays";
1509 !ref $_->[0] && !ref $_->[1] && ref $_->[2] eq 'CODE' or die "Invalid plugin $p: did not return a list of string-string-sub arrays";
1510 unshift @handlers, $_;
1516 # verify that the server is up by letting it echo back a string that causes
1517 # re-initialization of the required aliases
1518 out dp => 0, 'echo "Unknown command \"rcon2irc_eval\""'; # assume the server has been restarted
1522 # regularily, query the server status and if it still is connected to us using
1523 # the log_dest_udp feature. If not, we will detect the response to this rcon
1524 # command and re-initialize the server's connection to us (either by log_dest_udp
1525 # not containing our own IP:port, or by rcon2irc_eval not being a defined command).
1528 out dp => 0, 'sv_cmd bans', 'status 1', 'log_dest_udp', 'rcon2irc_eval set dummy 1';
1529 $store{status_waiting} = -1;
1530 schedule $timer => (exists $store{dp_hostname} ? $config{dp_status_delay} : 1);;
1535 # Continue with connecting to IRC as soon as we get our first status reply from
1536 # the DP server (which contains the server's hostname that we'll use as
1537 # realname for IRC).
1541 # log on to IRC when needed
1542 if(exists $store{dp_hostname} && !exists $store{irc_logged_in})
1544 $store{irc_nick_requested} = $config{irc_nick};
1545 out irc => 1, "NICK $config{irc_nick}", "USER $config{irc_user} localhost localhost :$store{dp_hostname}";
1546 $store{irc_logged_in} = 1;
1547 undef $store{irc_maxlen};
1548 undef $store{irc_pingtime};
1551 schedule $timer => 1;;
1556 # Regularily ping the IRC server to detect if the connection is down. If it is,
1557 # schedule an IRC error that will cause reconnection later.
1561 if($store{irc_logged_in})
1563 if(defined $store{irc_pingtime})
1565 # IRC connection apparently broke
1566 # so... KILL IT WITH FIRE
1567 $channels{system}->send("error irc", 0);
1571 # everything is fine, send a new ping
1572 $store{irc_pingtime} = time();
1573 out irc => 1, "PING $store{irc_pingtime}";
1577 schedule $timer => $config{irc_ping_delay};;
1585 # Build up an IO::Select object for all our channels.
1586 my $s = IO::Select->new();
1587 for my $chan(values %channels)
1589 $s->add($_) for $chan->fds();
1592 # wait for something to happen on our sockets, or wait 2 seconds without anything happening there
1594 my @errors = $s->has_exception(0);
1596 # on every channel, look for incoming messages
1598 for my $chanstr(keys %channels)
1600 my $chan = $channels{$chanstr};
1601 my @chanfds = $chan->fds();
1603 for my $chanfd(@chanfds)
1605 if(grep { $_ == $chanfd } @errors)
1607 # STOP! This channel errored!
1608 $channels{system}->send("error $chanstr", 0);
1615 for my $line($chan->recv())
1617 # found one! Check if it matches the regular expression of one of
1621 for my $h(@handlers)
1623 my ($chanstr_wanted, $re, $sub) = @$h;
1625 if $chanstr_wanted ne $chanstr;
1627 my @matches = ($line =~ /^$re$/s);
1631 # and if it is a match, handle it.
1633 my $result = $sub->(@matches);
1639 # print the message, together with info on whether it has been handled or not
1642 print " $chanstr >> (private)\n";
1646 print " $chanstr >> $line\n";
1650 print "unhandled: $chanstr >> $line\n";
1655 if($@ eq "read error\n")
1657 $channels{system}->send("error $chanstr", 0);
1668 # handle scheduled tasks...
1671 # by emptying the list of tasks...
1675 my ($time, $sub) = @$_;
1678 # calling them if they are schedled for the "past"...
1683 # or re-adding them to the task list if they still are scheduled for the "future"
1684 push @tasks, [$time, $sub];