2 # Irc.pl: IRC core stuff.
5 # NOTE: Based on code by Kevin Lenzo & Patrick Cole (c) 1997
8 if (&IsParam("useStrict")) { use strict; }
10 use vars qw($nickserv);
13 # static scalar variables.
14 $mask{ip} = '(\d+)\.(\d+)\.(\d+)\.(\d+)';
15 $mask{host} = '[\d\w\_\-\/]+\.[\.\d\w\_\-\/]+';
16 $mask{chan} = '[\#\&]\S*|_default';
17 my $isnick1 = 'a-zA-Z\[\]\{\}\_\`\^\|\\\\';
18 my $isnick2 = '0-9\-';
19 $mask{nick} = "[$isnick1]{1}[$isnick1$isnick2]*";
20 $mask{nuh} = '\S*!\S*\@\S*';
27 while (my $host = shift @ircServers) {
28 # JUST IN CASE. irq was complaining about this.
29 if ($lastrun == time()) {
30 &DEBUG("ircloop: hrm... lastrun == time()");
37 &DEBUG("ircloop: ircServers[x] = NULL.");
41 next unless (exists $ircPort{$host});
43 my $retval = &irc($host, $ircPort{$host});
44 &DEBUG("ircloop: after irc()");
46 next unless (defined $retval and $retval == 0);
50 if ($error % 3 == 0 and $error != 0) {
51 &ERROR("CANNOT connect to this server; next!");
56 &ERROR("CANNOT connect to any irc server; stopping.");
61 &DEBUG("ircloop: end... going back.");
67 my ($server,$port) = @_;
69 my $iaddr = inet_aton($server);
70 my $paddr = sockaddr_in($port, $iaddr);
71 my $proto = getprotobyname('tcp');
74 &status("Connecting to port $port of server $server ...");
77 if ($server =~ /\D$/) {
78 my $packed = scalar(gethostbyname($server));
80 if (!defined $packed) {
81 &status(" cannot resolve $server.");
85 my $resolve = inet_ntoa($packed);
86 &status(" resolved to $resolve.");
87 ### warning in Sys/Hostname line 78???
88 ### caused inside Net::IRC?
93 $conn = $irc->newconn(
94 Nick => $param{'ircNick'},
97 Ircname => $param{'ircName'},
98 LocalAddr => $param{'ircHost'},
101 if (!defined $conn) {
102 &ERROR("irc: conn was not created!defined!!!");
108 # change internal timeout value for scheduler.
109 $irc->{_timeout} = 10; # how about 60?
111 $ircstats{'Server'} = "$server:$port";
114 $conn->add_handler('caction', \&on_action);
115 $conn->add_handler('cdcc', \&on_dcc);
116 $conn->add_handler('cping', \&on_ping);
117 $conn->add_handler('crping', \&on_ping_reply);
118 $conn->add_handler('cversion', \&on_version);
119 $conn->add_handler('crversion', \&on_crversion);
120 $conn->add_handler('dcc_open', \&on_dcc_open);
121 $conn->add_handler('dcc_close', \&on_dcc_close);
122 $conn->add_handler('chat', \&on_chat);
123 $conn->add_handler('msg', \&on_msg);
124 $conn->add_handler('public', \&on_public);
125 $conn->add_handler('join', \&on_join);
126 $conn->add_handler('part', \&on_part);
127 $conn->add_handler('topic', \&on_topic);
128 $conn->add_handler('invite', \&on_invite);
129 $conn->add_handler('kick', \&on_kick);
130 $conn->add_handler('mode', \&on_mode);
131 $conn->add_handler('nick', \&on_nick);
132 $conn->add_handler('quit', \&on_quit);
133 $conn->add_handler('notice', \&on_notice);
134 $conn->add_handler('whoisuser', \&on_whoisuser);
135 $conn->add_handler('other', \&on_other);
136 $conn->add_global_handler('disconnect', \&on_disconnect);
137 $conn->add_global_handler([251,252,253,254,255], \&on_init);
138 ### $conn->add_global_handler([251,252,253,254,255,302], \&on_init);
139 $conn->add_global_handler(324, \&on_modeis);
140 $conn->add_global_handler(333, \&on_topicinfo);
141 $conn->add_global_handler(352, \&on_who);
142 $conn->add_global_handler(353, \&on_names);
143 $conn->add_global_handler(366, \&on_endofnames);
144 $conn->add_global_handler(376, \&on_endofmotd); # on_connect.
145 $conn->add_global_handler(433, \&on_nick_taken);
146 $conn->add_global_handler(439, \&on_targettoofast);
147 # for proper joinnextChan behaviour
148 $conn->add_global_handler(471, \&on_chanfull);
149 $conn->add_global_handler(473, \&on_inviteonly);
150 $conn->add_global_handler(474, \&on_banned);
151 $conn->add_global_handler(475, \&on_badchankey);
153 # end of handler stuff.
158 ######################################################################
159 ######## IRC ALIASES IRC ALIASES IRC ALIASES IRC ALIASES #######
160 ######################################################################
166 # slow down a bit if traffic is "high".
167 # need to take into account time of last message sent.
168 if ($last{buflen} > 256 and length($buf) > 256) {
172 $conn->sl($buf) if (&whatInterface() =~ /IRC/);
174 $last{buflen} = length($buf);
181 &WARN("say: msg == $msg.");
185 &status("</$talkchannel> $msg");
186 if (&whatInterface() =~ /IRC/) {
187 $msg = "zero" if ($msg =~ /^0+$/);
190 if ($t == $pubtime) {
192 $pubsize += length $msg;
194 if ( ($pubcount % 4) == 0 and $pubcount) {
196 } elsif ($pubsize > 1500) {
204 $pubsize = length $msg;
207 $conn->privmsg($talkchannel, $msg);
212 my ($nick, $msg) = @_;
213 if (!defined $nick) {
214 &ERROR("msg: nick == NULL.");
220 &WARN("msg: msg == $msg.");
224 &status(">$nick< $msg");
226 if (&whatInterface() =~ /IRC/) {
229 if ($t == $msgtime) {
231 $msgsize += length $msg;
233 if ( ($msgcount % 4) == 0 and $msgcount) {
235 } elsif ($msgsize > 1000) {
243 $msgsize = length $msg;
246 $conn->privmsg($nick, $msg);
250 # Usage: &action(nick || chan, txt);
252 my ($target, $txt) = @_;
254 &WARN("action: txt == NULL.");
258 my $rawout = "PRIVMSG $target :\001ACTION $txt\001";
259 if (length $rawout > 510) {
260 &status("action: txt too long; truncating.");
262 chop($rawout) while (length($rawout) > 510);
266 &status("* $ident/$target $txt");
270 # Usage: ¬ice(nick || chan, txt);
272 my ($target, $txt) = @_;
274 &WARN("notice: txt == NULL.");
278 &status("-$target- $txt");
282 if ($t == $nottime) {
284 $notsize += length $txt;
286 if ( ($notcount % 3) == 0 and $notcount) {
288 } elsif ($notsize > 1000) {
296 $notsize = length $txt;
299 $conn->notice($target, $txt);
304 my ($txt,$flag) = @_;
306 ### FIXME: flag not supported yet.
308 foreach (keys %{ $dcc{'CHAT'} }) {
309 $conn->privmsg($dcc{'CHAT'}{$_}, $txt);
314 ### perform commands.
317 # Usage: &performReply($reply);
320 $reply =~ /([\.\?\s]+)$/;
322 &checkMsgType($reply);
324 if ($msgType eq 'public') {
325 if (rand() < 0.5 or $reply =~ /[\.\?]$/) {
326 $reply = "$orig{who}: ".$reply;
328 $reply = "$reply, ".$orig{who};
331 } elsif ($msgType eq 'private') {
335 $reply = "$reply, ".$orig{who};
338 } elsif ($msgType eq 'chat') {
339 if (!exists $dcc{'CHAT'}{$who}) {
340 &WARN("pSR: dcc{'CHAT'}{$who} does not exist.");
343 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
345 &ERROR("PR: msgType invalid? ($msgType).");
350 sub performAddressedReply {
351 return unless ($addressed);
356 &performStrictReply(@_);
359 # Usage: &performStrictReply($reply);
360 sub performStrictReply {
363 &checkMsgType($reply);
365 if ($msgType eq 'private') {
367 } elsif ($msgType eq 'public') {
369 } elsif ($msgType eq 'chat') {
370 &dccsay(lc $who,$reply);
372 &ERROR("pSR: msgType invalid? ($msgType).");
377 my ($who, $reply) = @_;
378 if (!exists $dcc{'CHAT'}{$who}) {
379 &WARN("pSR: dcc{'CHAT'}{$who} does not exist.");
383 &status("=>$who<= $reply"); # dcc chat.
384 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
391 foreach $type (keys %dcc) {
392 &FIXME("dcc_close: $who");
393 my @who = grep /^\Q$who\E$/i, keys %{ $dcc{$type} };
394 next unless (scalar @who);
401 my $chan = lc $chankey;
403 if ($chankey =~ s/^($mask{chan}),\S+/ /) {
407 &status("joining $b_blue$chan$ob");
409 if (&validChan($chan)) {
410 &status("join: already on $chan");
412 if (!$conn->join($chan)) {
413 &DEBUG("joinchan: join failed. trying connect!");
423 next if ($chan eq "");
424 $chan =~ tr/A-Z/a-z/; # lowercase.
426 &status("parting $chan");
427 if (!&validChan($chan)) {
428 &WARN("part: not on $chan; doing anyway");
432 rawout("PART $chan");
433 # deletion of $channels{chan} is done in &entryEvt().
438 my ($chan, @modes) = @_;
439 my $modes = join(" ", @modes);
441 if (&validChan($chan) == 0) {
442 &ERROR("mode: invalid chan => '$chan'.");
446 &DEBUG("mode: MODE $chan $modes");
448 rawout("MODE $chan $modes");
452 my ($chan, @who) = @_;
453 my $os = "o" x scalar(@who);
455 &mode($chan, "+$os @who");
459 my ($chan, @who) = @_;
460 my $os = "o" x scalar(@who);
462 &mode($chan, "-$os ".@who);
466 my ($nick,$chan,$msg) = @_;
467 my (@chans) = ($chan eq "") ? (keys %channels) : lc($chan);
469 if ($chan ne "" and &validChan($chan) == 0) {
470 &ERROR("kick: invalid channel $chan.");
474 $nick =~ tr/A-Z/a-z/;
476 foreach $chan (@chans) {
477 if (!&IsNickInChan($nick,$chan)) {
478 &status("Kick: $nick is not on $chan.") if (scalar @chans == 1);
482 if (!exists $channels{$chan}{o}{$ident}) {
483 &status("Kick: do not have ops on $chan :(");
487 &status("Kicking $nick from $chan.");
489 &rawout("KICK $chan $nick");
491 &rawout("KICK $chan $nick :$msg");
497 my ($mask,$chan) = @_;
498 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
501 if ($chan !~ /^\*?$/ and &validChan($chan) == 0) {
502 &ERROR("ban: invalid channel $chan.");
506 foreach $chan (@chans) {
507 if (!exists $channels{$chan}{o}{$ident}) {
508 &status("Ban: do not have ops on $chan :(");
512 &status("Banning $mask from $chan.");
513 &rawout("MODE $chan +b $mask");
521 my ($mask,$chan) = @_;
522 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
525 &DEBUG("unban: mask = $mask, chan = @chans");
527 foreach $chan (@chans) {
528 if (!exists $channels{$chan}{o}{$ident}) {
529 &status("unBan: do not have ops on $chan :(");
533 &status("Removed ban $mask from $chan.");
534 &rawout("MODE $chan -b $mask");
543 &status("QUIT $param{'ircNick'} has quit IRC ($quitmsg)");
544 $conn->quit($quitmsg);
550 if ($nick =~ /^$mask{nick}$/) {
551 &DEBUG("nick: Changing nick to $nick (from $ident)");
552 rawout("NICK ".$nick);
555 &DEBUG("nick: failed... why oh why (nick => $nick)");
561 my($who, $chan) = @_;
562 rawout("INVITE $who $chan");
567 # Channel related functions...
570 # Usage: &joinNextChan();
572 &DEBUG("joinNextChan called.");
574 if (scalar @joinchan) {
575 $chan = shift @joinchan;
578 if (my $i = scalar @joinchan) {
579 &status("joinNextChan: $i chans to join.");
583 # chanserv check: global channels, in case we missed one.
585 foreach ( &ChanConfList("chanServ_ops") ) {
591 # Usage: &GetNickInChans($nick,$chan);
596 foreach (keys %channels) {
597 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$_}{''} });
604 # Usage: &GetNicksInChan($chan);
609 return keys %{ $channels{$chan}{''} };
613 my ($nick,$chan) = @_;
615 $chan =~ tr/A-Z/a-z/; # not lowercase unfortunately.
617 if (&validChan($chan) == 0) {
618 &ERROR("INIC: invalid channel $chan.");
622 if (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} }) {
625 foreach (keys %channels) {
626 next unless (/[A-Z]/);
627 &DEBUG("iNIC: hash channels contains mixed cased chan!!!");
633 sub IsNickInAnyChan {
636 foreach $chan (keys %channels) {
637 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} });
643 # Usage: &validChan($chan);
647 if (lc $chan ne $chan) {
648 &WARN("validChan: lc chan != chan. ($chan); fixing.");
649 $chan =~ tr/A-Z/a-z/;
652 if (exists $channels{$chan}) {
660 # Usage: &DeleteUserInfo($nick,@chans);
662 my ($nick,@chans) = @_;
665 foreach $chan (@chans) {
666 foreach $mode (keys %{ $channels{$chan} }) {
668 next unless (exists $channels{$chan}{$mode}{$nick});
670 delete $channels{$chan}{$mode}{$nick};
678 delete $channels{$chan};
682 ### &DEBUG("clearIRCVars() called!");
686 @joinchan = &getJoinChans();
693 foreach (keys %chanconf) {
694 next if ($_ eq "_default");
696 my $val = $chanconf{$_}{autojoin};
700 $skip++ if ($val eq "0");
714 &status("gJC: channels not auto-joining: @skip");
716 &status("gJC: auto-joining all chans.");
723 ### &DEBUG("closeDCC called.");
725 foreach $type (keys %dcc) {
726 next if ($type ne uc($type));
728 foreach $nick (keys %{ $dcc{$type} }) {
729 next unless (defined $nick);
730 &DEBUG("closing DCC $type to $nick (FIXME).");
731 next unless (defined $dcc{$type}{$nick});
733 my $ref = $dcc{$type}{$nick};
734 &DEBUG("ref => $ref");
736 # $dcc{$type}{$nick}->close();
742 my($who,$chan,$userhost) = @_;
744 return unless (&IsChanConf("joinfloodCheck"));
746 if (exists $netsplit{lc $who}) { # netsplit join.
747 &DEBUG("joinfloodCheck: $who was in netsplit; not checking.");
750 if (exists $floodjoin{$chan}{$who}{Time}) {
751 &WARN("floodjoin{$chan}{$who} already exists?");
754 $floodjoin{$chan}{$who}{Time} = time();
755 $floodjoin{$chan}{$who}{Host} = $userhost;
758 foreach (keys %floodjoin) {
760 my $count = scalar keys %{ $floodjoin{$c} };
761 next unless ($count > 5);
762 &DEBUG("joinflood: count => $count");
765 foreach (keys %{ $floodjoin{$c} }) {
766 $time += $floodjoin{$c}{$_}{Time};
768 &DEBUG("joinflood: time => $time");
771 &DEBUG("joinflood: new time => $time");
776 foreach $chan (keys %floodjoin) {
777 foreach $who (keys %{ $floodjoin{$chan} }) {
778 my $time = time() - $floodjoin{$chan}{$who}{Time};
779 next unless ($time > 10);
780 delete $floodjoin{$chan}{$who};
785 &DEBUG("joinfloodCheck: $delete deleted.") if ($delete);
791 &FIXME("getHostMask($n) called...");