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(315, \&on_endofwho);
140 $conn->add_global_handler(324, \&on_modeis);
141 $conn->add_global_handler(333, \&on_topicinfo);
142 $conn->add_global_handler(352, \&on_who);
143 $conn->add_global_handler(353, \&on_names);
144 $conn->add_global_handler(366, \&on_endofnames);
145 $conn->add_global_handler(376, \&on_endofmotd); # on_connect.
146 $conn->add_global_handler(433, \&on_nick_taken);
147 $conn->add_global_handler(439, \&on_targettoofast);
148 # for proper joinnextChan behaviour
149 $conn->add_global_handler(471, \&on_chanfull);
150 $conn->add_global_handler(473, \&on_inviteonly);
151 $conn->add_global_handler(474, \&on_banned);
152 $conn->add_global_handler(475, \&on_badchankey);
154 # end of handler stuff.
159 ######################################################################
160 ######## IRC ALIASES IRC ALIASES IRC ALIASES IRC ALIASES #######
161 ######################################################################
167 # slow down a bit if traffic is "high".
168 # need to take into account time of last message sent.
169 if ($last{buflen} > 256 and length($buf) > 256) {
173 $conn->sl($buf) if (&whatInterface() =~ /IRC/);
175 $last{buflen} = length($buf);
182 &WARN("say: msg == $msg.");
186 &status("</$talkchannel> $msg");
187 if (&whatInterface() =~ /IRC/) {
188 $msg = "zero" if ($msg =~ /^0+$/);
191 if ($t == $pubtime) {
193 $pubsize += length $msg;
195 my $i = &getChanConfDefault("sendPublicLimitLines", 3);
196 my $j = &getChanConfDefault("sendPublicLimitBytes", 1000);
198 if ( ($pubcount % $i) == 0 and $pubcount) {
201 } elsif ($pubsize > $j) {
210 $pubsize = length $msg;
213 $conn->privmsg($talkchannel, $msg);
218 my ($nick, $msg) = @_;
219 if (!defined $nick) {
220 &ERROR("msg: nick == NULL.");
226 &WARN("msg: msg == $msg.");
230 &status(">$nick< $msg");
232 if (&whatInterface() =~ /IRC/) {
235 if ($t == $msgtime) {
237 $msgsize += length $msg;
239 my $i = &getChanConfDefault("sendPrivateLimitLines", 3);
240 my $j = &getChanConfDefault("sendPrivateLimitBytes", 1000);
241 if ( ($msgcount % $i) == 0 and $msgcount) {
244 } elsif ($msgsize > $j) {
253 $msgsize = length $msg;
256 $conn->privmsg($nick, $msg);
260 # Usage: &action(nick || chan, txt);
262 my ($target, $txt) = @_;
264 &WARN("action: txt == NULL.");
268 my $rawout = "PRIVMSG $target :\001ACTION $txt\001";
269 if (length $rawout > 510) {
270 &status("action: txt too long; truncating.");
272 chop($rawout) while (length($rawout) > 510);
276 &status("* $ident/$target $txt");
280 # Usage: ¬ice(nick || chan, txt);
282 my ($target, $txt) = @_;
284 &WARN("notice: txt == NULL.");
288 &status("-$target- $txt");
292 if ($t == $nottime) {
294 $notsize += length $txt;
296 my $i = &getChanConfDefault("sendNoticeLimitLines", 3);
297 my $j = &getChanConfDefault("sendNoticeLimitBytes", 1000);
299 if ( ($notcount % $i) == 0 and $notcount) {
302 } elsif ($notsize > $j) {
311 $notsize = length $txt;
314 $conn->notice($target, $txt);
318 my ($txt,$flag) = @_;
320 ### FIXME: flag not supported yet.
322 foreach (keys %{ $dcc{'CHAT'} }) {
323 $conn->privmsg($dcc{'CHAT'}{$_}, $txt);
328 ### perform commands.
331 # Usage: &performReply($reply);
334 $reply =~ /([\.\?\s]+)$/;
336 &checkMsgType($reply);
338 if ($msgType eq 'public') {
339 if (rand() < 0.5 or $reply =~ /[\.\?]$/) {
340 $reply = "$orig{who}: ".$reply;
342 $reply = "$reply, ".$orig{who};
345 } elsif ($msgType eq 'private') {
349 $reply = "$reply, ".$orig{who};
352 } elsif ($msgType eq 'chat') {
353 if (!exists $dcc{'CHAT'}{$who}) {
354 &WARN("pSR: dcc{'CHAT'}{$who} does not exist.");
357 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
359 &ERROR("PR: msgType invalid? ($msgType).");
364 sub performAddressedReply {
365 return unless ($addressed);
370 &performStrictReply(@_);
373 # Usage: &performStrictReply($reply);
374 sub performStrictReply {
377 &checkMsgType($reply);
379 if ($msgType eq 'private') {
381 } elsif ($msgType eq 'public') {
383 } elsif ($msgType eq 'chat') {
384 &dccsay(lc $who,$reply);
386 &ERROR("pSR: msgType invalid? ($msgType).");
391 my ($who, $reply) = @_;
392 if (!exists $dcc{'CHAT'}{$who}) {
393 &WARN("pSR: dcc{'CHAT'}{$who} does not exist.");
397 &status("=>$who<= $reply"); # dcc chat.
398 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
405 foreach $type (keys %dcc) {
406 &FIXME("dcc_close: $who");
407 my @who = grep /^\Q$who\E$/i, keys %{ $dcc{$type} };
408 next unless (scalar @who);
415 my $chan = lc $chankey;
417 if ($chankey =~ s/^($mask{chan}),\S+/ /) {
421 &status("joining $b_blue$chan$ob");
423 if (&validChan($chan)) {
424 &status("join: already on $chan");
426 if (!$conn->join($chan)) {
427 &DEBUG("joinchan: join failed. trying connect!");
437 next if ($chan eq "");
438 $chan =~ tr/A-Z/a-z/; # lowercase.
440 &status("parting $chan");
441 if (!&validChan($chan)) {
442 &WARN("part: not on $chan; doing anyway");
446 rawout("PART $chan");
447 # deletion of $channels{chan} is done in &entryEvt().
452 my ($chan, @modes) = @_;
453 my $modes = join(" ", @modes);
455 if (&validChan($chan) == 0) {
456 &ERROR("mode: invalid chan => '$chan'.");
460 &DEBUG("mode: MODE $chan $modes");
462 rawout("MODE $chan $modes");
466 my ($chan, @who) = @_;
467 my $os = "o" x scalar(@who);
469 &mode($chan, "+$os @who");
473 my ($chan, @who) = @_;
474 my $os = "o" x scalar(@who);
476 &mode($chan, "-$os ".@who);
480 my ($nick,$chan,$msg) = @_;
481 my (@chans) = ($chan eq "") ? (keys %channels) : lc($chan);
483 if ($chan ne "" and &validChan($chan) == 0) {
484 &ERROR("kick: invalid channel $chan.");
488 $nick =~ tr/A-Z/a-z/;
490 foreach $chan (@chans) {
491 if (!&IsNickInChan($nick,$chan)) {
492 &status("Kick: $nick is not on $chan.") if (scalar @chans == 1);
496 if (!exists $channels{$chan}{o}{$ident}) {
497 &status("Kick: do not have ops on $chan :(");
501 &status("Kicking $nick from $chan.");
503 &rawout("KICK $chan $nick");
505 &rawout("KICK $chan $nick :$msg");
511 my ($mask,$chan) = @_;
512 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
515 if ($chan !~ /^\*?$/ and &validChan($chan) == 0) {
516 &ERROR("ban: invalid channel $chan.");
520 foreach $chan (@chans) {
521 if (!exists $channels{$chan}{o}{$ident}) {
522 &status("Ban: do not have ops on $chan :(");
526 &status("Banning $mask from $chan.");
527 &rawout("MODE $chan +b $mask");
535 my ($mask,$chan) = @_;
536 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
539 &DEBUG("unban: mask = $mask, chan = @chans");
541 foreach $chan (@chans) {
542 if (!exists $channels{$chan}{o}{$ident}) {
543 &status("unBan: do not have ops on $chan :(");
547 &status("Removed ban $mask from $chan.");
548 &rawout("MODE $chan -b $mask");
557 &status("QUIT $param{'ircNick'} has quit IRC ($quitmsg)");
558 $conn->quit($quitmsg);
564 if (!defined $nick) {
565 &ERROR("nick: nick == NULL.");
569 if (defined $ident and $nick eq $ident) {
570 &WARN("nick: nick == ident == '$ident'.");
574 $bad++ if (exists $nuh{ $param{'ircNick'} });
575 $bad++ if (&IsNickInAnyChan($param{'ircNick'}));
578 &WARN("Nick: not going to try and get my nick back. [".
579 scalar(localtime). "]");
583 if ($nick =~ /^$mask{nick}$/) {
584 rawout("NICK ".$nick);
586 if (defined $ident) {
587 &status("nick: Changing nick to $nick (from $ident)");
589 &DEBUG("first time nick change.");
595 &DEBUG("nick: failed... why oh why (nick => $nick)");
601 my($who, $chan) = @_;
602 rawout("INVITE $who $chan");
607 # Channel related functions...
610 # Usage: &joinNextChan();
612 if (scalar @joinchan) {
613 $chan = shift @joinchan;
616 if (my $i = scalar @joinchan) {
617 &status("joinNextChan: $i chans to join.");
626 if (exists $cache{joinTime}) {
627 my $delta = time() - $cache{joinTime};
628 my $timestr = &Time2String($delta);
629 my $rate = sprintf("%.1f", $delta / &getJoinChans() );
630 delete $cache{joinTime};
632 &DEBUG("time taken to join all chans: $timestr; rate: $rate sec/join");
634 # chanserv check: global channels, in case we missed one.
636 foreach ( &ChanConfList("chanServ_ops") ) {
641 # Usage: &getNickInChans($nick);
646 foreach (keys %channels) {
647 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$_}{''} });
654 # Usage: &getNicksInChan($chan);
659 return keys %{ $channels{$chan}{''} };
663 my ($nick,$chan) = @_;
665 $chan =~ tr/A-Z/a-z/; # not lowercase unfortunately.
667 if (&validChan($chan) == 0) {
668 &ERROR("INIC: invalid channel $chan.");
672 if (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} }) {
675 foreach (keys %channels) {
676 next unless (/[A-Z]/);
677 &DEBUG("iNIC: hash channels contains mixed cased chan!!!");
683 sub IsNickInAnyChan {
686 foreach $chan (keys %channels) {
687 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} });
693 # Usage: &validChan($chan);
697 if (lc $chan ne $chan) {
698 &WARN("validChan: lc chan != chan. ($chan); fixing.");
699 $chan =~ tr/A-Z/a-z/;
702 if (exists $channels{$chan}) {
710 # Usage: &delUserInfo($nick,@chans);
712 my ($nick,@chans) = @_;
715 foreach $chan (@chans) {
716 foreach $mode (keys %{ $channels{$chan} }) {
718 next unless (exists $channels{$chan}{$mode}{$nick});
720 delete $channels{$chan}{$mode}{$nick};
728 delete $channels{$chan};
732 ### &DEBUG("clearIRCVars() called!");
736 @joinchan = &getJoinChans(1);
737 $cache{joinTime} = time();
745 foreach (keys %chanconf) {
746 next if ($_ eq "_default");
748 my $val = $chanconf{$_}{autojoin};
752 $skip++ if ($val eq "0");
767 $str = "channels not auto-joining: @skip (joining: @chans)";
769 $str = "auto-joining all chans: @chans";
772 &status("Chans: ".$str) if ($show);
778 ### &DEBUG("closeDCC called.");
780 foreach $type (keys %dcc) {
781 next if ($type ne uc($type));
783 foreach $nick (keys %{ $dcc{$type} }) {
784 next unless (defined $nick);
785 &DEBUG("closing DCC $type to $nick (FIXME).");
786 next unless (defined $dcc{$type}{$nick});
788 my $ref = $dcc{$type}{$nick};
789 &DEBUG("ref => $ref");
791 # $dcc{$type}{$nick}->close();
797 my($who,$chan,$userhost) = @_;
799 return unless (&IsChanConf("joinfloodCheck"));
801 if (exists $netsplit{lc $who}) { # netsplit join.
802 &DEBUG("joinfloodCheck: $who was in netsplit; not checking.");
805 if (exists $floodjoin{$chan}{$who}{Time}) {
806 &WARN("floodjoin{$chan}{$who} already exists?");
809 $floodjoin{$chan}{$who}{Time} = time();
810 $floodjoin{$chan}{$who}{Host} = $userhost;
813 foreach (keys %floodjoin) {
815 my $count = scalar keys %{ $floodjoin{$c} };
816 next unless ($count > 5);
817 &DEBUG("joinflood: count => $count");
820 foreach (keys %{ $floodjoin{$c} }) {
821 $time += $floodjoin{$c}{$_}{Time};
823 &DEBUG("joinflood: time => $time");
826 &DEBUG("joinflood: new time => $time");
831 foreach $chan (keys %floodjoin) {
832 foreach $who (keys %{ $floodjoin{$chan} }) {
833 my $time = time() - $floodjoin{$chan}{$who}{Time};
834 next unless ($time > 10);
835 delete $floodjoin{$chan}{$who};
840 &DEBUG("joinfloodCheck: $delete deleted.") if ($delete);
846 &FIXME("getHostMask($n) called...");