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 next unless (defined $retval and $retval == 0);
47 if ($error % 3 == 0 and $error != 0) {
48 &status("IRC: Could not connect.");
54 &status("IRC: cannot connect to any IRC servers; stopping.");
60 &status("IRC: ok, done one cycle of IRC servers; trying again.");
67 my ($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?
94 Nick => $param{'ircNick'},
97 Ircname => $param{'ircName'},
99 $args{'LocalAddr'} = $param{'ircHost'} if ($param{'ircHost'});
100 $args{'Password'} = $param{'ircPasswd'} if ($param{'ircPasswd'});
102 $conn = $irc->newconn(%args);
104 if (!defined $conn) {
105 &ERROR("internal: perl IRC connection object does not exist.");
111 # change internal timeout value for scheduler.
112 $irc->{_timeout} = 10; # how about 60?
113 # Net::IRC debugging.
116 $ircstats{'Server'} = "$server:$port";
119 $conn->add_handler('caction', \&on_action);
120 $conn->add_handler('cdcc', \&on_dcc);
121 $conn->add_handler('cping', \&on_ping);
122 $conn->add_handler('crping', \&on_ping_reply);
123 $conn->add_handler('cversion', \&on_version);
124 $conn->add_handler('crversion', \&on_crversion);
125 $conn->add_handler('dcc_open', \&on_dcc_open);
126 $conn->add_handler('dcc_close', \&on_dcc_close);
127 $conn->add_handler('chat', \&on_chat);
128 $conn->add_handler('msg', \&on_msg);
129 $conn->add_handler('public', \&on_public);
130 $conn->add_handler('join', \&on_join);
131 $conn->add_handler('part', \&on_part);
132 $conn->add_handler('topic', \&on_topic);
133 $conn->add_handler('invite', \&on_invite);
134 $conn->add_handler('kick', \&on_kick);
135 $conn->add_handler('mode', \&on_mode);
136 $conn->add_handler('nick', \&on_nick);
137 $conn->add_handler('quit', \&on_quit);
138 $conn->add_handler('notice', \&on_notice);
139 $conn->add_handler('whoischannels', \&on_whoischannels);
140 $conn->add_handler('useronchannel', \&on_useronchannel);
141 $conn->add_handler('whois', \&on_whois);
142 $conn->add_handler('other', \&on_other);
143 $conn->add_global_handler('disconnect', \&on_disconnect);
144 $conn->add_global_handler([251,252,253,254,255], \&on_init);
145 ### $conn->add_global_handler([251,252,253,254,255,302], \&on_init);
146 $conn->add_global_handler(303, \&on_ison); # notify.
147 $conn->add_global_handler(315, \&on_endofwho);
148 $conn->add_global_handler(422, \&on_endofwho); # nomotd.
149 $conn->add_global_handler(324, \&on_modeis);
150 $conn->add_global_handler(333, \&on_topicinfo);
151 $conn->add_global_handler(352, \&on_who);
152 $conn->add_global_handler(353, \&on_names);
153 $conn->add_global_handler(366, \&on_endofnames);
154 $conn->add_global_handler(376, \&on_endofmotd); # on_connect.
155 $conn->add_global_handler(433, \&on_nick_taken);
156 $conn->add_global_handler(439, \&on_targettoofast);
157 # for proper joinnextChan behaviour
158 $conn->add_global_handler(471, \&on_chanfull);
159 $conn->add_global_handler(473, \&on_inviteonly);
160 $conn->add_global_handler(474, \&on_banned);
161 $conn->add_global_handler(475, \&on_badchankey);
162 $conn->add_global_handler(443, \&on_useronchan);
164 # end of handler stuff.
169 ######################################################################
170 ######## IRC ALIASES IRC ALIASES IRC ALIASES IRC ALIASES #######
171 ######################################################################
177 # slow down a bit if traffic is "high".
178 # need to take into account time of last message sent.
179 if ($last{buflen} > 256 and length($buf) > 256) {
183 $conn->sl($buf) if (&whatInterface() =~ /IRC/);
185 $last{buflen} = length($buf);
192 &WARN("say: msg == $msg.");
196 &status("</$talkchannel> $msg");
197 if (&whatInterface() =~ /IRC/) {
198 $msg = "zero" if ($msg =~ /^0+$/);
201 if ($t == $pubtime) {
203 $pubsize += length $msg;
205 my $i = &getChanConfDefault("sendPublicLimitLines", 3);
206 my $j = &getChanConfDefault("sendPublicLimitBytes", 1000);
208 if ( ($pubcount % $i) == 0 and $pubcount) {
210 } elsif ($pubsize > $j) {
218 $pubsize = length $msg;
221 $conn->privmsg($talkchannel, $msg);
226 my ($nick, $msg) = @_;
227 if (!defined $nick) {
228 &ERROR("msg: nick == NULL.");
234 &WARN("msg: msg == $msg.");
238 if ($msgType =~ /chat/i) {
239 # todo: warn that we're using msg() to do DCC CHAT?
240 &dccsay($nick, $msg);
241 # todo: make dccsay deal with flood protection?
245 &status(">$nick< $msg");
247 if (&whatInterface() =~ /IRC/) {
250 if ($t == $msgtime) {
252 $msgsize += length $msg;
254 my $i = &getChanConfDefault("sendPrivateLimitLines", 3);
255 my $j = &getChanConfDefault("sendPrivateLimitBytes", 1000);
256 if ( ($msgcount % $i) == 0 and $msgcount) {
258 } elsif ($msgsize > $j) {
266 $msgsize = length $msg;
269 $conn->privmsg($nick, $msg);
273 # Usage: &action(nick || chan, txt);
275 my ($target, $txt) = @_;
277 &WARN("action: txt == NULL.");
281 if (length $txt > 480) {
282 &status("action: txt too long; truncating.");
283 chop($txt) while (length $txt > 480);
286 &status("* $ident/$target $txt");
287 $conn->me($target, $txt);
290 # Usage: ¬ice(nick || chan, txt);
292 my ($target, $txt) = @_;
294 &WARN("notice: txt == NULL.");
298 &status("-$target- $txt");
302 if ($t == $nottime) {
304 $notsize += length $txt;
306 my $i = &getChanConfDefault("sendNoticeLimitLines", 3);
307 my $j = &getChanConfDefault("sendNoticeLimitBytes", 1000);
309 if ( ($notcount % $i) == 0 and $notcount) {
311 } elsif ($notsize > $j) {
319 $notsize = length $txt;
322 $conn->notice($target, $txt);
326 my ($txt,$flag) = @_;
328 ### FIXME: flag not supported yet.
330 foreach (keys %{ $dcc{'CHAT'} }) {
331 $conn->privmsg($dcc{'CHAT'}{$_}, $txt);
336 ### perform commands.
339 # Usage: &performReply($reply);
342 $reply =~ /([\.\?\s]+)$/;
344 &checkMsgType($reply);
346 if ($msgType eq 'public') {
347 if (rand() < 0.5 or $reply =~ /[\.\?]$/) {
348 $reply = "$orig{who}: ".$reply;
350 $reply = "$reply, ".$orig{who};
353 } elsif ($msgType eq 'private') {
357 $reply = "$reply, ".$orig{who};
360 } elsif ($msgType eq 'chat') {
361 if (!exists $dcc{'CHAT'}{$who}) {
362 &VERB("pSR: dcc{'CHAT'}{$who} does not exist.",2);
365 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
367 &ERROR("PR: msgType invalid? ($msgType).");
372 sub performAddressedReply {
373 return unless ($addressed);
378 &performStrictReply(@_);
381 # Usage: &performStrictReply($reply);
382 sub performStrictReply {
385 &checkMsgType($reply);
387 if ($msgType eq 'private') {
389 } elsif ($msgType eq 'public') {
391 } elsif ($msgType eq 'chat') {
392 &dccsay(lc $who, $reply);
394 &ERROR("pSR: msgType invalid? ($msgType).");
399 my($who, $reply) = @_;
401 if (!defined $reply or $reply =~ /^\s*$/) {
402 &WARN("dccsay: reply == NULL.");
406 if (!exists $dcc{'CHAT'}{$who}) {
407 &VERB("pSR: dcc{'CHAT'}{$who} does not exist. (2)",2);
411 &status("=>$who<= $reply"); # dcc chat.
412 $conn->privmsg($dcc{'CHAT'}{$who}, $reply);
419 foreach $type (keys %dcc) {
420 &FIXME("dcc_close: $who");
421 my @who = grep /^\Q$who\E$/i, keys %{ $dcc{$type} };
422 next unless (scalar @who);
424 &DEBUG("dcc_close... close $who!");
430 my $key = &getChanConf("chankey", $chan) || "";
432 # forgot for about 2 years to implement channel keys when moving
433 # over to Net::IRC...
435 # hopefully validChan is right.
436 if (&validChan($chan)) {
437 &status("join: already on $chan");
439 &status("joining $b_blue$chan$ob");
441 return if ($conn->join($chan, $key));
443 &DEBUG("joinchan: join failed. trying connect!");
453 next if ($chan eq "");
454 $chan =~ tr/A-Z/a-z/; # lowercase.
456 if ($chan !~ /^$mask{chan}$/) {
457 &WARN("part: chan is invalid ($chan)");
461 &status("parting $chan");
462 if (!&validChan($chan)) {
463 &WARN("part: not on $chan; doing anyway");
468 # deletion of $channels{chan} is done in &entryEvt().
473 my ($chan, @modes) = @_;
474 my $modes = join(" ", @modes);
476 if (&validChan($chan) == 0) {
477 &ERROR("mode: invalid chan => '$chan'.");
481 &DEBUG("mode: MODE $chan $modes");
483 # should move to use Net::IRC's $conn->mode()... but too lazy.
484 rawout("MODE $chan $modes");
488 my ($chan, @who) = @_;
489 my $os = "o" x scalar(@who);
491 &mode($chan, "+$os @who");
495 my ($chan, @who) = @_;
496 my $os = "o" x scalar(@who);
498 &mode($chan, "-$os ".@who);
502 my ($nick,$chan,$msg) = @_;
503 my (@chans) = ($chan eq "") ? (keys %channels) : lc($chan);
505 if ($chan ne "" and &validChan($chan) == 0) {
506 &ERROR("kick: invalid channel $chan.");
510 $nick =~ tr/A-Z/a-z/;
512 foreach $chan (@chans) {
513 if (!&IsNickInChan($nick,$chan)) {
514 &status("kick: $nick is not on $chan.") if (scalar @chans == 1);
518 if (!exists $channels{$chan}{o}{$ident}) {
519 &status("kick: do not have ops on $chan :(");
523 &status("Kicking $nick from $chan.");
524 $conn->kick($chan, $nick, $msg);
529 my ($mask,$chan) = @_;
530 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
533 if ($chan !~ /^\*?$/ and &validChan($chan) == 0) {
534 &ERROR("ban: invalid channel $chan.");
538 foreach $chan (@chans) {
539 if (!exists $channels{$chan}{o}{$ident}) {
540 &status("ban: do not have ops on $chan :(");
544 &status("Banning $mask from $chan.");
545 &rawout("MODE $chan +b $mask");
553 my ($mask,$chan) = @_;
554 my (@chans) = ($chan =~ /^\*?$/) ? (keys %channels) : lc($chan);
557 &DEBUG("unban: mask = $mask, chan = @chans");
559 foreach $chan (@chans) {
560 if (!exists $channels{$chan}{o}{$ident}) {
561 &status("unBan: do not have ops on $chan :(");
565 &status("Removed ban $mask from $chan.");
566 &rawout("MODE $chan -b $mask");
575 &status("QUIT $param{'ircNick'} has quit IRC ($quitmsg)");
577 $conn->quit($quitmsg);
579 &WARN("quit: could not quit!");
586 if (!defined $nick) {
587 &ERROR("nick: nick == NULL.");
591 if (defined $ident and $nick eq $ident) {
592 &WARN("nick: nick == ident == '$ident'.");
596 $bad++ if (exists $nuh{ $param{'ircNick'} });
597 $bad++ if (&IsNickInAnyChan($param{'ircNick'}));
600 &WARN("Nick: not going to try and get my nick back. [".
601 scalar(localtime). "]");
602 # hrm... over time we lose track of our own nick.
606 if ($nick =~ /^$mask{nick}$/) {
607 rawout("NICK ".$nick);
609 if (defined $ident) {
610 &status("nick: Changing nick to $nick (from $ident)");
611 # following shouldn't be here :(
614 &DEBUG("first time nick change.");
620 &DEBUG("nick: failed... why oh why (nick => $nick)");
626 my($who, $chan) = @_;
627 # todo: check if $who or $chan are invalid.
629 $conn->invite($who, $chan);
633 # Channel related functions...
636 # Usage: &joinNextChan();
638 if (scalar @joinchan) {
639 $chan = shift @joinchan;
642 if (my $i = scalar @joinchan) {
643 &status("joinNextChan: $i chans to join.");
650 my @c = &getJoinChans();
651 if (exists $cache{joinTime} and scalar @c) {
652 my $delta = time() - $cache{joinTime} - 5;
653 my $timestr = &Time2String($delta);
654 my $rate = sprintf("%.1f", $delta / @c);
655 delete $cache{joinTime};
657 &status("time taken to join all chans: $timestr; rate: $rate sec/join");
660 # chanserv check: global channels, in case we missed one.
661 foreach ( &ChanConfList("chanServ_ops") ) {
666 # Usage: &getNickInChans($nick);
671 foreach (keys %channels) {
672 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$_}{''} });
679 # Usage: &getNicksInChan($chan);
684 return keys %{ $channels{$chan}{''} };
688 my ($nick,$chan) = @_;
690 $chan =~ tr/A-Z/a-z/; # not lowercase unfortunately.
692 if (&validChan($chan) == 0) {
693 &ERROR("INIC: invalid channel $chan.");
697 if (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} }) {
700 foreach (keys %channels) {
701 next unless (/[A-Z]/);
702 &DEBUG("iNIC: hash channels contains mixed cased chan!!!");
708 sub IsNickInAnyChan {
711 foreach $chan (keys %channels) {
712 next unless (grep /^\Q$nick\E$/i, keys %{ $channels{$chan}{''} });
718 # Usage: &validChan($chan);
720 # todo: use $c instead?
723 if (!defined $chan or $chan =~ /^\s*$/ or $chan =~ /^_default$/) {
727 if (lc $chan ne $chan) {
728 &WARN("validChan: lc chan != chan. ($chan); fixing.");
729 $chan =~ tr/A-Z/a-z/;
732 # it's possible that this check creates the hash if empty.
733 if (defined $channels{$chan} or exists $channels{$chan}) {
734 if ($chan eq "_default") {
735 # &WARN("validC: chan cannot be _default! returning 0!");
746 # Usage: &delUserInfo($nick,@chans);
748 my ($nick,@chans) = @_;
751 foreach $chan (@chans) {
752 foreach $mode (keys %{ $channels{$chan} }) {
754 next unless (exists $channels{$chan}{$mode}{$nick});
756 delete $channels{$chan}{$mode}{$nick};
764 delete $channels{$chan};
768 &DEBUG("clearIRCVars() called!");
772 @joinchan = &getJoinChans(1);
773 $cache{joinTime} = time();
781 foreach (keys %chanconf) {
782 next if ($_ eq "_default");
784 my $val = $chanconf{$_}{autojoin};
788 $skip++ if ($val eq "0");
803 $str = "channels not auto-joining: @skip (joining: @chans)";
805 $str = "auto-joining all chans: @chans";
808 &status("Chans: ".$str) if ($show);
814 # &DEBUG("closeDCC called.");
816 foreach $type (keys %dcc) {
817 next if ($type ne uc($type));
819 foreach $nick (keys %{ $dcc{$type} }) {
820 next unless (defined $nick);
821 &status("DCC CHAT: closing DCC $type to $nick.");
822 next unless (defined $dcc{$type}{$nick});
824 my $ref = $dcc{$type}{$nick};
825 &dccsay($nick, "bye bye, $nick") if ($type =~ /^chat$/i);
826 $dcc{$type}{$nick}->close();
827 delete $dcc{$type}{$nick};
828 &DEBUG("after close for $nick");
835 my($who,$chan,$userhost) = @_;
837 return unless (&IsChanConf("joinfloodCheck"));
839 if (exists $netsplit{lc $who}) { # netsplit join.
840 &DEBUG("joinfloodCheck: $who was in netsplit; not checking.");
843 if (exists $floodjoin{$chan}{$who}{Time}) {
844 &WARN("floodjoin{$chan}{$who} already exists?");
847 $floodjoin{$chan}{$who}{Time} = time();
848 $floodjoin{$chan}{$who}{Host} = $userhost;
851 foreach (keys %floodjoin) {
853 my $count = scalar keys %{ $floodjoin{$c} };
854 next unless ($count > 5);
855 &DEBUG("joinflood: count => $count");
858 foreach (keys %{ $floodjoin{$c} }) {
859 $time += $floodjoin{$c}{$_}{Time};
861 &DEBUG("joinflood: time => $time");
864 &DEBUG("joinflood: new time => $time");
870 foreach $chan (keys %floodjoin) {
871 foreach $who (keys %{ $floodjoin{$chan} }) {
872 my $t = $floodjoin{$chan}{$who}{Time};
873 next unless (defined $t);
875 my $delta = $time - $t;
876 next unless ($delta > 10);
878 delete $floodjoin{$chan}{$who};
883 &DEBUG("joinfloodCheck: $delete deleted.") if ($delete);
889 if (exists $nuh{$n}) {
890 return &makeHostMask($nuh{$n});
892 $cache{on_who_Hack} = 1;