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User.pm
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#!/usr/bin/perl
#####################################################################
# User.pm #
# Created: Tue Sep 15 12:56:51 1998 by [email protected] #
# Revised: Wed Jun 5 12:59:27 2002 by [email protected] #
# Copyright 1998 Jay F. Kominek ([email protected]) #
# #
# Consult the file 'LICENSE' for the complete terms under which you #
# may use this file. #
# #
#####################################################################
# user package - juno ircd #
#####################################################################
use strict;
package User;
use Utils;
use Server;
use Channel;
use UNIVERSAL qw(isa);
use Tie::IRCUniqueHash;
my $commands = {'PONG' => sub { },
'CAP' => \&handle_cap,
'PING' => \&handle_ping,
'KLINE' => \&handle_kline,
'PRIVMSG' => \&handle_privmsg,
'NOTICE' => \&handle_notice,
'JOIN' => \&handle_join,
'PART' => \&handle_part,
'TOPIC' => \&handle_topic,
'KICK' => \&handle_kick,
'INVITE' => \&handle_invite,
'WHOIS' => \&handle_whois,
'WHO' => \&handle_who,
'WHOWAS' => \&handle_whowas,
'ISON' => \&handle_ison,
'USERHOST'=> \&handle_userhost,
'LUSERS' => \&handle_lusers,
'LIST' => \&handle_list,
'NAMES' => \&handle_names,
'STATS' => \&handle_stats,
'VERSION' => \&handle_version,
'TIME' => \&handle_time,
'INFO' => \&handle_info,
'MOTD' => \&handle_motd,
'ADMIN' => \&handle_admin,
'MAP' => \&handle_map,
'LINKS' => \&handle_links,
'TRACE' => \&handle_trace,
'HELP' => \&handle_help,
'MODE' => \&handle_mode,
'OPER' => \&handle_oper,
'AWAY' => \&handle_away,
'NICK' => \&handle_nick,
'SQUIT' => \&handle_squit,
'CONNECT' => \&handle_connect,
'KILL' => \&handle_kill,
'WALLOPS' => \&handle_wallops,
'REHASH' => \&handle_rehash,
'QUIT' => \&handle_quit
};
#####################################################################
# CLASS CONSTRUCTOR
###################
# You just pass this the connection object that it is spawned from.
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $this = { };
my $connection = shift;
# The connection object that we're spawned from has
# lots of information that we need to know to be who
# we are.
$this->{'nick'} = $connection->{'nick'};
$this->{'user'} = $connection->{'user'};
$this->{'host'} = $connection->{'host'};
$this->{'realhost'} = $connection->{'host'};
$this->{'ip'} = $connection->{'host_ip'};
$this->{'time_create'} = $connection->{'time_create'};
$this->{'ircname'} = $connection->{'ircname'};
$this->{'server'} = $connection->{'server'};
$this->{'connected'} = $connection->{'connected'};
$this->{'ssl'} = $connection->{'ssl'};
$this->{'idle_base'} =
$this->{'last_active'} = time();
$this->{'modes'} = { };
tie my %channeltmp, 'Tie::IRCUniqueHash';
$this->{'channels'} = \%channeltmp;
tie my %invitetmp, 'Tie::IRCUniqueHash';
$this->{'hasinvitation'} = \%invitetmp;
bless($this, $class);
$this->server->adduser($this);
if(defined($connection->{'socket'})) {
Utils::plog("lcyan","register",Utils::r("mask").$this->{'nick'}."!".$this->{'user'}."\@".$this->{'host'}.Utils::r("ip").$this->{'ip'}.Utils::r("realname").$this->{'ircname'});
$this->server->opernotify("Client connecting on ".$this->server->name.": ".$this->{'nick'}."!".$this->{'user'}."\@".$this->{'host'}." [".$this->{'ircname'}."]");
$this->{'socket'} = $connection->{'socket'};
$this->{'outbuffer'} = $connection->{'outbuffer'};
foreach my $server ($this->server->children) {
$server->nick($this);
}
$this->sendsplash();
}
return $this;
}
# Send the "splash" screen information junk stuff.
sub sendsplash {
my $this = shift;
$this->sendnumeric($this->server,1,
"Welcome to \2".$this->server->{network}."\2, ".$this->nick."!");
$this->sendnumeric($this->server,2,
"Your host is ".$this->server->{name}.", running version pircd-juno");
$this->sendnumeric($this->server,3,
"This server was created ".scalar gmtime($this->server->creation));
$this->sendnumeric($this->server,4,($this->server->{name},"pircd-juno","dioswkg","bZiklLmnstqaohv"),undef);
$this->sendnumeric($this->server,5,($this->server->{name},"PREFIX=(qaohv)~&\@%+ STATUSMSG=\@+ NETWORK=".$this->server->{network}." CHANTYPES=#& CHANMODES=bZ,klL,imnst"),undef);
# Send them LUSERS output
$this->handle_lusers("LUSERS");
$this->privmsgnotice("NOTICE",$this->server,"Highest connection count: ".$Utils::stats{highconnections}." (".$Utils::stats{highclients}." clients)");
# Send them the MOTD upon connection
$this->handle_motd("MOTD");
}
# Given a line of user input, process it and take appropriate action
sub handle {
my($this, $line)=(shift,shift);
Utils::do_handle($this,$line,$commands);
}
#####################################################################
# VARIOUS COMMAND HANDLERS
#####################################################################
# One-to-One, One-to-Many communication
# sendreply to multiple users. takes a single message as the first argument and
# a list of User objects as the second argument. will only send to a given user
# once, no matter how many times that user is mentioned.
sub multisend {
my($msg,@users)=@_;
my($thisuser,$lastuser);
# this is fairly evil. sort will compare the objects by stringifying them and
# then doing a lexicographical compare. stringify on a reference results in
# TYPE(0xaddr), so we will end up with the objects sorted by address.
foreach $thisuser (sort @users) {
next if($thisuser==$lastuser);
Connection::sendreply($thisuser,$msg);
$lastuser=$thisuser;
}
}
# PRIVMSG target :message
# Where target is either a user or a channel
# do the work for the privmsg and notice handlers
sub msg_or_notice {
my($this,$string,$targetstr,$msg)=(shift,shift,shift,shift);
foreach my $target (split(/,/,$targetstr)) {
if($this->ismode('o') && ($target =~ /^\$/)) {
my $matchingservers = $target;
$matchingservers =~ s/^\$//;
$matchingservers =~ s/\./\\\./g;
$matchingservers =~ s/\?/\./g;
$matchingservers =~ s/\*/\.\+/g;
tie my %uplinks, 'Tie::RefHash';
foreach my $server (values(%{Utils::servers()})) {
if($server->{name} =~ /$matchingservers$/) {
if($server eq $this->server) {
my @users = $this->server->users();
multisend(":".$this->nick."!".$this->username."\@".$this->host." $string>$target :".$msg, @users);
} else {
# The server is remote, accumulate the uplink to it
$uplinks{$server} = 1;
}
}
}
foreach my $uplink (keys %uplinks) {
}
} elsif($this->ismode('o') && ($target =~ /^\#.+\..+/)) {
my $matchingusers = $target;
$matchingusers =~ s/^\#//;
$matchingusers =~ s/\./\\\./g;
$matchingusers =~ s/\?/\./g;
$matchingusers =~ s/\*/\.\+/g;
multisend(":".$this->nick."!".$this->username."\@".$this->host." $string>$target :".$msg, grep { $_->host =~ /$matchingusers/ } $this->server->users());
} else {
# ..lookup the associated object..
my $tmp = Utils::lookup($target);
if(isa($tmp,"User")||isa($tmp,"Channel")) {
# ..and if it is a user or a channel (since they're the only things
# that can handle receiving a private message), dispatch it to them.
$tmp->privmsgnotice($string,$this,$msg);
} else {
# Complain that the.. ..doesn't exist.
if(($target =~ /^\#/)||($target =~ /^\&/)) {
# ..channel..
$this->sendnumeric($this->server,403,($target),"No such channel");
} else {
# ..user..
$this->sendnumeric($this->server,401,($target),"No such nick");
}
}
}
}
}
sub generate_id {
# # TODO
# my $this = shift;
# my $server = $this->server;
# # For now since i'm stumped, we'll use random numbers
# my $id = "A".rand(9).rand(9).rand(9).rand(9).rand(9);
# foreach ($server->users()) {
# }
}
# PRIVMSG
sub handle_privmsg {
my($this,$dummy,$targetstr,$msg)=(shift,shift,shift,shift);
$this->{'idle_base'} = time;
# print "about to msg_or_notice '$this' PRIVMSG '$targetstr' '$msg'\n";
# print "d '$dummy' rest '".join(':',@_)."'\n";
msg_or_notice($this,'PRIVMSG',$targetstr,$msg);
}
# NOTICE
sub handle_notice {
my($this,$dummy,$targetstr,$msg)=(shift,shift,shift,shift);
msg_or_notice($this,'NOTICE',$targetstr,$msg);
}
#####################################################################
# Channel Membership
# These functions directly manipulate the current user's membership
# on the channel in question.
# JOIN #channel1,#channel2,..,#channeln-1,#channeln
# JOIN #channel1,#channel2,..,#channeln-1,#channeln :key1,key2,..,keyn-1,keyn
# Or s/JOIN/CHANNEL/ those.
sub handle_join {
my($this,$dummy,$channelstr,$keystr)=(shift,shift,shift,shift);
my @channels = split(/,/,$channelstr);
my @keys = split(/,/,$keystr);
$this->{'idle_base'} = time;
# For each channel they want to join..
foreach my $channel (@channels) {
if (length($channel) > 30) { $channel = substr($channel,0,-(length($channel)-30)); }
# ..look it up..
my $tmp = Utils::lookup($channel);
# ..if it is a channel..
if(defined($tmp) && $tmp->isa("Channel")) {
# ..then ask to join it, passing on all the keys
$tmp->join($this,@keys) unless $this->onchan($tmp);
} else {
# ..create the channel, if it's validly named
if($channel =~ /^[\#\&]/){
my $chanobj = Channel->new($channel);
Utils::channels()->{$chanobj->{name}} = $chanobj;
$chanobj->join($this);
# ..otherwise, complain about their stupidity.
} else {
$this->sendnumeric($this->server,403,($channel),"No such channel");
}
}
}
}
# PART #channel1,#channel2,..,#channeln-1,#channeln
sub handle_part {
my($this,$dummy,$channelstr)=(shift,shift,shift);
my $channel;
$this->{'idle_base'} = time;
foreach $channel (split(/,/,$channelstr)) {
my $channeltmp = Utils::irclc($channel);
my $tmp = Utils::channels()->{$channeltmp};
if(defined($tmp)) {
if(defined($this->{channels}->{$tmp->{name}})) {
$tmp->part($this,$this->server);
} else {
$this->sendnumeric($this->server,403,$tmp->{name},"You're not on that channel.");
}
} else {
$this->sendnumeric($this->server,403,$channel,"No such channel.");
}
}
}
#####################################################################
# Other channel related stuffs
# Misc commands for channels that don't deal with the current users
# membership on the channel.
# TOPIC #channel
# TOPIC #channel :useful information about the channel
sub handle_topic {
my($this,$dummy,$channel,$topic)=(shift,shift,shift,shift);
my @channels = split(/,/,$channel);
my $ret = Utils::lookup($channel);
if((!defined($ret)) || (!$ret->isa("Channel"))) {
$this->sendnumeric($this->server,403,$channel,"No such channel.");
return;
}
foreach(@channels) {
if(defined($topic)) {
$ret->topic($this,$topic);
} else {
my @topicdata = $ret->topic;
if($#topicdata==2) {
$this->sendnumeric($this->server,332,$ret->{name},$topicdata[0]);
$this->sendnumeric($this->server,333,$ret->{name},$topicdata[1],$topicdata[2],undef);
} else {
$this->sendnumeric($this->server,331,$ret->{name},"No topic is set");
}
}
# Note: It might be better to put the if outside of
# the foreach loop so that we have fewer comparisons.
}
}
# KICK #channel1,#channel2,..,#channeln nick1,nick2,..,nickn :excuse
sub handle_kick {
my($this,$dummy,$chanstr,$nickstr,$excuse)=(shift,shift,shift,shift,shift);
my(@channels) = split(/,/,$chanstr);
my(@nicks) = split(/,/,$nickstr);
$excuse =~ s/^://;
if($chanstr eq "*") {
# untested
@channels = values(%{$this->{channels}});
}
# ..for each of the targetted channels..
foreach my $channel (@channels) {
# ..look up the associated object..
my $ret = Utils::lookup($channel);
# ..if it exists and is a channel..
if(defined($ret)&&$ret->isa("Channel")) {
# ..then for every given nick..
foreach(@nicks) {
# ..ask the channel to kick them off.
$ret->kick($this,$_,$excuse);
}
}
}
}
# INVITE
sub handle_invite {
my($this,$dummy,$nick,$channel)=(shift,shift,shift,shift);
my $waste;
($channel,$waste) = split(/,/,$channel);
my $tmpchan = Utils::lookupchannel($channel);
my $user = Utils::lookupuser($nick);
if($user && isa($user,"User")) {
if($tmpchan && isa($tmpchan,"Channel")) {
if(!$this->onchan($tmpchan)) {
$this->sendnumeric($this->server,442,$this->{name},$tmpchan->{name},"You're not on that channel");
return;
}
$tmpchan->invite($this,$user);
} else {
# it is valid to invite people to channels that do not exist
$user->invite($this,$channel);
$this->sendnumeric($this->server,341,$user->nick,$this->{name},$channel,undef);
}
} else {
$this->sendnumeric($this->server,401,$this->{name},$nick,"No such nick");
}
}
#####################################################################
# Informational Commands
# This provide the user with various different bits of information
# about the state of things on the network.
# WHOIS server.foo.bar nick1,nick2,..,nickn-1,nickn
# WHOIS nick1,nick2,..,nickn-1,nickn
sub handle_whois {
my $this = shift;
my($command,@excess) = split(/\s+/,shift);
if($excess[1]) {
# They're trying to request the information
# from another server.
} else {
my @targets = split(/,/,$excess[0]);
foreach my $target (@targets) {
my $user = Utils::lookupuser($target);
if(defined($user) && isa($user, "User")) {
# *** Nick is user@host (Irc Name)
$this->sendnumeric($this->server,311,($user->nick,$user->username,$user->host,"*"),$user->ircname);
# *** on channels: #foo @#bar +#baz
my @names;
if(scalar keys(%{$user->{channels}})>0) {
foreach my $channel (values(%{$user->{channels}})) {
unless($channel->ismode('s') &&
!defined($channel->{users}->{$this->nick()}) &&
!$this->ismode('S')) {
my $tmpstr = $channel->{name};
if($channel->isowner($user)) {
$tmpstr = "~".$tmpstr;
} elsif($channel->isadmin($user)) {
$tmpstr = "&".$tmpstr;
} elsif($channel->isop($user)) {
$tmpstr = "@".$tmpstr;
} elsif($channel->ishalfop($user)) {
$tmpstr = "%".$tmpstr;
} elsif($channel->hasvoice($user)) {
$tmpstr = "+".$tmpstr;
}
push(@names,$tmpstr);
}
}
if(scalar @names) {
$this->sendnumeric($this->server,319,$user->nick,join(' ',@names));
}
}
# *** on IRC via server foo.bar.org ([1.2.3.4] Server Name)
$this->sendnumeric($this->server,312,($user->nick,$user->server->{name}),$user->server->description);
if($user->ismode('o')) {
my $status;
if($user->ismode('o')) { $status = "an IRC operator"; }
if($user->ismode('N')) { $status = "a network administrator"; }
if($user->ismode('S')) { $status = "a network service"; }
$this->sendnumeric($this->server,313,$user->nick,"is $status");
}
# *** Nick is away: excuse
if($user->away()) {
$this->sendnumeric($this->server,301,$user->nick,$user->away);
}
if ($this->ismode("o")) {
$this->sendnumeric($this->server,378,($user->nick, "is connected from *@".$user->host." ".$user->ip));
}
# *** Nick has been 3 minutes and 42 seconds idle
if($user->islocal()) {
$this->sendnumeric($this->server,317,($user->nick,time()-$user->{'idle_base'},$user->connected),"seconds idle, signon time");
}
if($user->ssl()) {
$this->sendnumeric($this->server,342,$user->nick." is connected via SSL");
}
} else {
$this->sendnumeric($this->server,401,$target,"No suck nick");
}
}
$this->sendnumeric($this->server,318,$excess[0],"End of /WHOIS list.");
}
}
# WHO targets
sub handle_who {
my($this,$dummy,$targets)=(shift,shift,shift);
my $target;
foreach $target (split(/,/,$targets)) {
my $ret = Utils::lookup($target);
if(defined($ret)) {
if($ret->isa("User")) {
$this->sendnumeric($this->server,352,("*",$ret->username,
$ret->host,$ret->server->{name},
$ret->nick,
(defined($ret->away())?"G":"H").
($ret->ismode('o')?'*':'')),
$ret->server->hops." ".$ret->ircname);
} elsif($ret->isa("Channel")) {
unless(($ret->ismode('s'))&&(!defined($ret->{users}->{$this->nick()}))&&(!$this->ismode('S'))) {
my @users = $ret->users();
foreach my $user (sort
{$ret->{'jointime'}->{$b}<=>$ret->{'jointime'}->{$a}}
@users) {
$this->sendnumeric($this->server,352,
($ret->{name}, $user->username,$user->host,
$user->server->{name},$user->nick,
(defined($user->away())?'S':'H').
($user->ismode('o')?'*':'').
($ret->isowner($user)?'~':"").
($ret->isadmin($user)?'&':"").
($ret->isop($user)?'@':"").
($ret->hasvoice($user)?'+':'')),
$user->server->hops." ".$user->ircname);
}
}
} elsif($ret->isa("Server")) {
my @users = $ret->users();
my $user;
foreach $user (@users) {
# ?
}
}
}
}
$this->sendnumeric($this->server,315,$targets,"End of /WHO list.");
}
# WHOWAS nicks
sub handle_whowas {
my($this,$dummy,$targets)=(shift,shift,shift);
my $target;
foreach $target (split(/,/,$targets)) {
my $lctarget = Utils::irclc($target);
my $found = 0;
foreach my $entry (@Utils::nickhistory) {
if(Utils::irclc($entry->{'nick'}) eq $lctarget) {
$this->sendnumeric($this->server,314,
$entry->{'nick'},
$entry->{'username'},
$entry->{'host'},
"*",$entry->{'ircname'});
$this->sendnumeric($this->server,312,
$entry->{'nick'},$entry->{'server'},
scalar localtime $entry->{'time'});
$found = 1;
}
}
$this->sendnumeric($this->server,406,$target,"There was no such nickname") unless $found;
}
$this->sendnumeric($this->server,369,$targets,"End of /WHOWAS");
}
# ISON nick nick nick
sub handle_ison {
my($this,$dummy,@targets) = (shift,shift,@_);
my @ison;
for(@targets) {
my $ret = Utils::lookup($_);
if(defined($ret) && $ret->isa("User")) {
push(@ison,$ret->nick);
}
}
$this->sendnumeric($this->server,303,join(' ',@ison));
}
sub handle_kline {
# most modern ircds allow you to kline users directly from the ircd
# this is possible with juno as of june 28, 2010 :)
my($this,$c) = (shift,shift);
if ($this->ismode('o')) {
my @ex = split(" ",$c);
if ($ex[1]) {
if ($ex[1] =~ m/\@/) {
my @s = split("@",$ex[1],2);
my @r = split(" ",$c,3);
my $ident = $s[0];
my $host = $s[1];
my $reason;
if (!defined($r[2])) { $reason = "Banned"; } else { $reason = $r[2]; }
my $klined;
my $kreason;
my($banned,$breason);
foreach my $ref (@{$this->server->{'klines'}}) {
my $mask = $ref->[2];
if($host =~ /$mask/) {
my @kline = @{$ref};
if($ident =~ /$kline[1]/) {
$banned = 1;
$breason = $kline[3];
}
}
}
if (!defined($banned)) {
open CONF, ">>server.conf" or $this->privmsgnotice("NOTICE",$this->server,"Error writing to config file: $!");
print CONF "K:$ident:$host:$reason\n";
close CONF;
$this->sendnumeric($this->server,382,("server.conf"),"Rehashing");
$this->server->rehash();
$this->server->opernotify($this->nick." added a kline on $ident\@$host [$reason]");
$this->privmsgnotice("NOTICE",$this->server,"Kill line added: $ident\@$host :$reason");
foreach my $usr (values(%{$this->server->{'users'}})) { # Kill the current connected users
foreach my $ref (@{$this->server->{'klines'}}) {
my $mask = $ref->[2];
if($usr->{'host'} =~ /$mask/) {
my @kline = @{$ref};
if($usr->{'user'} =~ /$kline[1]/) {
$usr->sendnumeric($this->server,465,"*** Banned");
$usr->senddata("ERROR :Closing Link: (".$usr->{'host'}.") [K-lined: $reason]\r\n");
$usr->quit("K-lined");
}
}
}
}
} else {
# if the kline exists, they must be attempting to remove it.
open CONF, "<server.conf" or $this->privmsgnotice("NOTICE",$this->server,"Error reading file: $!");
my $current = "";
while (my $line = <CONF>) {
if (lc($line) eq lc("K:$ident:$host:$breason\n")) {
# removing the kill line from the config
} else { $current = $current.$line; } # or leave the line if it's not what we're looking for
}
close CONF;
open WRITE, ">server.conf" or $this->privmsgnotice("NOTICE",$this->server,"Error writing to config file: $!");
Utils::plog("lred","Error","Could not write to config: $!");
print WRITE $current;
close WRITE;
$this->sendnumeric($this->server,382,("server.conf"),"Rehashing");
$this->server->rehash();
$this->server->opernotify($this->nick." removed kline on $ident\@$host [$breason]");
$this->privmsgnotice("NOTICE",$this->server,"Kill line removed: $ident\@$host");
}
}
else {
$this->privmsgnotice("NOTICE",$this->server,"kline: must be ident\@host mask.");
}
}
else {
$this->sendnumeric($this->server,461,"kline: Not enough parameters");
}
}
else {
$this->sendnumeric($this->server,481,"Permission Denied- You're not an IRC operator");
}
}
# USERHOST nick nick nick
sub handle_userhost {
my($this,$dummy,@targets)=(shift,shift,@_);
my @results;
for(@targets) {
my $ret = Utils::lookupuser($_);
if(defined $ret) {
push(@results,$ret->nick."=".(defined($ret->away())?"-":"+").
$ret->username."\@".$ret->host);
}
}
$this->sendnumeric($this->server,302,join(' ',@results));
}
# LUSERS
sub handle_lusers {
my $this = shift;
$this->sendnumeric($this->server,251,"There are ".$this->server->users." users and 0 invisible on 1 server(s)");
$this->sendnumeric($this->server,252,0,"operator(s) online");
$this->sendnumeric($this->server,253,(scalar keys(%{Utils::channels()})),"channels formed");
$this->sendnumeric($this->server,255,"I have ".$this->server->users." user(s) and ".$this->server->children." server(s)\r\n");
}
# LIST
sub handle_list {
my $this = shift;
$this->sendnumeric($this->server,321,("Channel","Users"),"Name");
my %channels = %{Utils::channels()};
foreach my $channel (sort keys(%channels)) {
unless($channels{$channel}->ismode('s') &&
!defined($channels{$channel}->{users}->{$this->nick()}) &&
!$this->ismode('S')) {
my @topicdata = $channels{$channel}->topic;
$this->sendnumeric($this->server,322,
($channels{$channel}->{name},
scalar $channels{$channel}->users),$topicdata[0]);
}
}
$this->sendnumeric($this->server,323,"End of /LIST");
}
# NAMES
sub handle_names {
my($this,$dummy,$channels)=(shift,shift,shift);
my @chanlist;
my $foo;
my $waswildcard=0;
if(defined($channels)) {
foreach my $chan (split(/,/,$channels)) {
$foo=Utils::lookup($chan);
if(defined($foo) && $foo->isa("Channel")) {
push @chanlist, $foo;
} else {
$this->sendnumeric($this->server,366,$chan,"End of /NAMES list.");
}
}
} else {
@chanlist=values(%{Utils::channels()});
$waswildcard=1;
}
foreach my $chan (@chanlist) {
unless($chan->ismode('s') &&
!defined($chan->{users}->{$this->nick()}) &&
!$this->ismode('S')) {
$chan->names($this);
if(!$waswildcard) {
$this->sendnumeric($this->server,366,$chan->{name},
"End of /NAMES list.");
}
}
}
if($waswildcard) {
my @users = values %{Utils::users()};
my @visible;
if($this->ismode('S')) {
foreach my $user (@users) {
if(!scalar(keys(%{$user->{'channels'}}))) {
push @visible, $user->nick;
}
}
} else {
foreach my $user (@users) {
if(!$user->ismode('i') && !scalar(keys(%{$user->{'channels'}}))) {
push @visible, $user->nick;
}
}
}
undef @users; # @users and @visible might be Big. conserve memory asap.
return unless (scalar(@visible) > 0);
@visible = sort(@visible);
my @lists;
my($index,$count) = (0,0);
foreach my $nick (@visible) {
if($count++>60) { $index++; $count = 0; }
push(@{$lists[$index]},$nick);
}
foreach(0..$index) {
$this->sendnumeric($this->server,353,"*","*",join(' ',@{$lists[$_]}));
}
$this->sendnumeric($this->server,366,"*","End of /NAMES list.");
}
}
# STATS
sub handle_stats {
my($this,$dummy,$request,$server)=(shift,shift,shift,shift);
for(uc($request)) {
/^O/ && do {
my %opers = %{$this->server->getopers()};
foreach my $nick (keys(%opers)) {
$this->sendnumeric($this->server,243,"O",$opers{$nick}->{mask},"*",$nick,0,10,undef);
}
};
/^K/ && do {
if ($this->ismode('o')) {
my @klines = @{$this->server->getklines()};
foreach my $ref (@klines) {
my $host = $ref->[2];
my $ident = $ref->[1];
my $reason = $ref->[3];
$host =~ s/\\\./\./g;
$host =~ s/\./\./g;
$host =~ s/\.\*/\*/g;
$ident =~ s/\\\./\./g;
$ident =~ s/\./\./g;
$ident =~ s/\.\*/\*/g;
$this->sendnumeric($this->server,219,"K","$ident\@$host * * :$reason",undef);
}
} else { $this->sendnumeric($this->server,481,"Permission Denied- You're not an IRC operator"); }
};
/^[CN]/ && do {
# no network-fu!
};
}
# TODO
$this->sendnumeric($this->server,219,$request,"End of /STATS report.");
}
# VERSION
sub handle_version {
my $this = shift;
$this->sendnumeric($this->server,351,($this->server->{version},$this->server->{name}),"some crap");
}
# TIME
sub handle_time {
my($this,$dummy,$server)=(shift,shift,shift);
if(!defined($server)) {
my $time = time();
$this->sendnumeric($this->server,391,($this->server->{name},$time,0),scalar gmtime($time));
} else {
# They want to request the time from a remote server.
}
}
# INFO
sub handle_info {
my $this = shift;
$this->sendnumeric($this->server,371,"--------------------\2juno-ircd\2--------------------");
$this->sendnumeric($this->server,371,"An Internet Relay Chat daemon written in perl.");
$this->sendnumeric($this->server,371,"Based on pIRCd, http://pircd.sourceforge.net");
$this->sendnumeric($this->server,371," Support: cooper.on.fgtb.us port 6667 #juno");
$this->sendnumeric($this->server,371," Repository: http://github.com/cooper879/juno-ircd");
$this->sendnumeric($this->server,374,"End of INFO list");
}
# MOTD
sub handle_motd {
my $this = shift;
$this->sendnumeric($this->server,375,"- ".$this->server->{name}." Message of the Day -");
foreach($this->server->getmotd) {
$this->sendnumeric($this->server,372,"- $_");
}
$this->sendnumeric($this->server,376,"End of message of the day.");
}
# ADMIN
sub handle_admin {
my $this = shift;
$this->sendnumeric($this->server,256,"Administrative info about ".$this->server->{name});
my @admindata = $this->server->getadmin();
$this->sendnumeric($this->server,257,$admindata[0]);
$this->sendnumeric($this->server,258,$admindata[1]);
$this->sendnumeric($this->server,259,$admindata[2]);
}
# MAP
sub handle_map {
my $this = shift;
my $server = $this->server;
my @atdepth;
$this->sendnumeric($this->server,5,$server->{name});
foreach($server->children) {
&map_children_disp($this,$_,2);
}
$this->sendnumeric($this->server,7,"End of server map");
}
sub map_children_disp {
my $this = shift;
my $server = shift;
my $depth = shift;
$this->sendnumeric($this->server,5,(" "x$depth).$server->{name});
foreach($server->children) {
&map_children_disp($this,$_,$depth+2);
}
}
# LINKS
sub handle_links {
my $this = shift;
# TODO
}
# TRACE
sub handle_trace {
my $this = shift;
# TODO
}
# PING
sub handle_ping {
my $this = shift;
my ($ping,$fill,$server) = @_;
my $servername = $this->server->name;
$this->senddata(":$servername PONG $servername :$fill\r\n");
}
# HELP
sub handle_help {
my $this = shift;
foreach my $command (keys %{$commands}) {
$this->privmsgnotice("NOTICE",$this->server,$command);
}
}
#####################################################################
# State accessing commands
# These commands allow a user to manipulate their state, or (in the
# case of MODE) the state of channels.
# MODE target :modebytes modearguments
sub handle_mode {
my($this,$dummy,$target,$modestr)=(shift,shift,shift,shift);
my @arguments=@_;
my @modebytes = split(//,$modestr);
my(@accomplishedset, @accomplishedunset);
my $ret = Utils::lookup($target);
if((!defined($ret))||(!ref($ret))) {
$this->sendnumeric($this->server,403,($target),"No such channel.");
return;
}
if($ret->isa("User")) {
# We're going to try and change a user's modes.
if($ret eq $this) {
# We're trying to change our own modes
my($state,$byte) = (1,'');
MODEBYTE: foreach $byte (@modebytes) {
if($byte eq "+") {
$state = 1;
} elsif($byte eq "-") {
$state = 0;
} else {
if(!$this->ismode('N') && $byte =~ /\w/) {
next MODEBYTE if grep {/$byte/} ("o","S","O","N");
}
if(!$this->ismode('o') && $byte =~ /\w/) {
next MODEBYTE if grep {/$byte/} ("o","S","O","N");
}
if(!$this->ismode('S')) {
next MODEBYTE if $byte eq "S";
}
if($state) {
push(@accomplishedset,$byte) if $this->setmode($byte);
} else {
if($this->unsetmode($byte)) {
push(@accomplishedunset,$byte);
if($byte eq 'o') {
push(@accomplishedunset,'S') if $this->unsetmode('S');
push(@accomplishedunset,'k') if $this->unsetmode('k');
}
}
}
}
}
if($#accomplishedset>=0 || $#accomplishedunset>=0) {
my $changestr;
if($#accomplishedset>=0) {
$changestr = "+".join('',@accomplishedset);
}
if($#accomplishedunset>=0) {
$changestr = $changestr."-".join('',@accomplishedunset);
}
$this->senddata(":".$this->nick." MODE ".$this->nick." $changestr\r\n");
foreach my $server ($this->server->children) {
$server->mode($this,$this,$changestr);
}
}
} else {
# We're trying to change someone else's modes,
# which is generally considered bad form.
$this->sendnumeric($this->server,502,"Can't change modes for other users.");
}
} elsif($ret->isa("Channel")) {
# In the spirit of letting the channel object handle
# most of the checking in regards to itself, we simply
# send the mode change request to it, and let it sort
# out whether or not we're op'd and what not.
$ret->mode($this,$modestr,@arguments);
}
}
# OPER nick :password
sub handle_oper {
my($this,$dummy,$nick,$password)=(shift,shift,shift,shift);
my $opers = $this->server->{'opers'};
my $admins = $this->server->{'netadmins'};
my $modestr;
my $mymask = $this->nick."!".$this->username."\@".$this->host;
if(defined($opers->{$nick})) {
my %info = %{ $opers->{$nick} };
if($mymask =~ /$info{mask}$/i) {
if(crypt($password,"pb") eq $info{password}) {
$modestr .= "N" if $admins->{$nick} and $this->setmode('N');
$modestr .= "o" if $this->setmode('o');
$modestr .= "w" if $this->setmode('w');
$modestr .= "s" if $this->setmode('s');
$this->senddata(":".$this->nick." MODE ".$this->nick." :+$modestr\r\n");
$this->server->opernotify($this->{nick}." is now ".($admins->{$nick}?"a network administrator":"an IRC operator")." using account \2$nick\2");
$this->sendnumeric($this->server,381,"You are now ".($admins->{$nick}?"a network administrator":"an IRC operator"));
} else {
$this->sendnumeric($this->server,464,"Password Incorrect.");
}
} else {
$this->sendnumeric($this->server,491,"No O-lines for your host.");
}
} else {
$this->sendnumeric($this->server,491,"No O-lines for your nick.");
}
}
# AWAY
# AWAY :my excuse
sub handle_away {
my $this = shift;
my($command,$msg) = split(/\s+/,shift,2);
$msg =~ s/^://;
if($msg) {