The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.

NAME

POE::Component::Server::IRC - A fully event-driven networkable IRC server daemon module.

SYNOPSIS

 # A fairly simple example:
 use strict;
 use warnings;
 use POE qw(Component::Server::IRC);

 my %config = (
     servername => 'simple.poco.server.irc', 
     nicklen    => 15,
     network    => 'SimpleNET'
 );

 my $pocosi = POE::Component::Server::IRC->spawn( config => \%config );

 POE::Session->create(
     package_states => [
         'main' => [qw(_start _default)],
     ],
     heap => { ircd => $pocosi },
 );

 $poe_kernel->run();

 sub _start {
     my ($kernel, $heap) = @_[KERNEL, HEAP];

     $heap->{ircd}->yield('register', 'all');

     # Anyone connecting from the loopback gets spoofed hostname
     $heap->{ircd}->add_auth(
         mask     => '*@localhost',
         spoof    => 'm33p.com',
         no_tilde => 1,
     );

     # We have to add an auth as we have specified one above.
     $heap->{ircd}->add_auth(mask => '*@*');

     # Start a listener on the 'standard' IRC port.
     $heap->{ircd}->add_listener(port => 6667);

     # Add an operator who can connect from localhost
     $heap->{ircd}->add_operator(
         {
             username => 'moo',
             password => 'fishdont',
         }
     );
 }

 sub _default {
     my ($event, $args) = @_[ARG0 .. $#_];

     print "$event: ";
     for my $arg (@$args) {
         if (ref($arg) eq 'ARRAY') {
             print "[", join ( ", ", @$arg ), "] ";
         }
         elsif (ref($arg) eq 'HASH') {
             print "{", join ( ", ", %$arg ), "} ";
         }
         else {
             print "'$arg' ";
         }
     }

     print "\n";
  }

DESCRIPTION

POE::Component::Server::IRC is a POE component which implements an IRC server (also referred to as an IRC daemon or IRCd). It should be compliant with the pertient IRC RFCs and is based on reverse engineering Hybrid IRCd behaviour with regards to interactions with IRC clients and other IRC servers.

Yes, that's right. POE::Component::Server::IRC is capable of linking to foreign IRC networks. It supports the TS5 server to server protocol and has been tested with linking to Hybrid-7 based networks. It should in theory work with any TS5-based IRC network.

POE::Component::Server::IRC also has a services API, which enables one to extend the IRCd to create IRC Services. This is fully event-driven (of course =]). There is also a Plugin system, similar to that sported by POE::Component::IRC.

Note: This is a subclass of POE::Component::Server::IRC::Backend. You should read its documentation too.

CONSTRUCTOR

spawn

Returns a new instance of the component. Takes the following parameters:

  • 'config', a hashref of configuration options, see the configure method for details.

Any other parameters will be passed along to POE::Component::Server::IRC::Backend's create method.

If the component is spawned from within another session then that session will automagically be registered with the component to receive events and be sent an ircd_registered event.

METHODS

Information

server_name

No arguments, returns the name of the ircd.

server_version

No arguments, returns the software version of the ircd.

server_created

No arguments, returns a string signifying when the ircd was created.

server_config

Takes one argument, the server configuration value to query.

Configuration

These methods provide mechanisms for configuring and controlling the IRCd component.

configure

Configures your new shiny IRCd.

Takes a number of parameters:

  • 'servername', a name to bless your shiny new IRCd with, defaults to 'poco.server.irc';

  • 'serverdesc', a description for your IRCd, defaults to 'Poco? POCO? POCO!';

  • 'network', the name of the IRC network you will be creating, defaults to 'poconet';

  • 'nicklen', the max length of nicknames to support, defaults to 9. Note: the nicklen must be the same on all servers on your IRC network;

  • 'maxtargets', max number of targets a user can send PRIVMSG/NOTICE's to, defaults to 4;

  • 'maxchannels', max number of channels users may join, defaults to 15;

  • 'version', change the server version that is reported;

  • 'admin', an arrayref consisting of the 3 lines that will be returned by ADMIN;

  • 'info', an arrayref consisting of lines to be returned by INFO;

  • 'ophacks', set to true to enable oper hacks. Default is false;

  • 'whoisactually', setting this to a false value means that only opers can see 338. Defaults to true;

add_auth

By default the IRCd allows any user to connect to the server without a password. Configuring auths enables you to control who can connect and set passwords required to connect.

Takes the following parameters:

  • 'mask', a user@host or user@ipaddress mask to match against, mandatory;

  • 'password', if specified, any client matching the mask must provide this to connect;

  • 'spoof', if specified, any client matching the mask will have their hostname changed to this;

  • 'no_tilde', if specified, the '~' prefix is removed from their username;

Auth masks are processed in order of addition.

If auth masks have been defined, then a connecting user *must* match one of the masks in order to be authorised to connect. This is a feature >;)

del_auth

Takes a single argument, the mask to remove.

add_operator

This adds an O line to the IRCd. Takes a number of parameters:

  • 'username', the username of the IRC oper, mandatory;

  • 'password', the password, mandatory;

  • 'ipmask', either a scalar ipmask or an arrayref of Net::Netmask objects;

A scalar ipmask can contain '*' to match any number of characters or '?' to match one character. If no 'ipmask' is provided, operators are only allowed to OPER from the loopback interface.

'password' can be either plain-text, crypt'd or unix/apache md5. See the mkpasswd function in POE::Component::Server::IRC::Common for how to generate passwords.

del_operator

Takes a single argument, the username to remove.

add_peer

Adds peer servers that we will allow to connect to us and who we will connect to. Takes the following parameters:

  • 'name', the name of the server. This is the IRC name, not hostname, mandatory;

  • 'pass', the password they must supply to us, mandatory;

  • 'rpass', the password we need to supply to them, mandatory;

  • 'type', the type of server, 'c' for a connecting server, 'r' for one that we will connect to;

  • 'raddress', the remote address to connect to, implies 'type' eq 'r';

  • 'rport', the remote port to connect to, default is 6667;

  • 'ipmask', either a scalar ipmask or an arrayref of Net::Netmask objects;

  • 'auto', if set to true value will automatically connect to remote server if type is 'r';

  • 'zip', set to a true value to enable ziplink support. This must be done on both ends of the connection. Requires POE::Filter::Zlib::Stream;

del_peer

Takes a single argument, the peer to remove. This does not disconnect the said peer if it is currently connected.

State queries

The following methods allow you to query state information regarding nicknames, channels, and peers.

state_nicks

Takes no arguments, returns a list of all nicknames in the state.

state_chans

Takes no arguments, returns a list of all channels in the state.

state_peers

Takes no arguments, returns a list of all irc servers in the state.

state_nick_exists

Takes one argument, a nickname, returns true or false dependent on whether the given nickname exists or not.

state_chan_exists

Takes one argument, a channel name, returns true or false dependent on whether the given channel exists or not.

state_peer_exists

Takes one argument, a peer server name, returns true or false dependent on whether the given peer exists or not.

state_user_full

Takes one argument, a nickname, returns that users full nick!user@host if they exist, undef if they don't.

state_user_nick

Takes one argument, a nickname, returns the proper nickname for that user. Returns undef if the nick doesn't exist.

state_user_umode

Takes one argument, a nickname, returns that users mode setting.

state_user_is_operator

Takes one argument, a nickname, returns true or false dependent on whether the given nickname is an IRC operator or not.

state_user_chans

Takes one argument, a nickname, returns a list of channels that that nick is a member of.

state_user_server

Takes one argument, a nickname, returns the name of the peer server that that user is connected from.

state_chan_list

Takes one argument, a channel name, returns a list of the member nicks on that channel.

state_chan_list_prefixed

Takes one argument, a channel name, returns a list of the member nicks on that channel, nicknames will be prefixed with @%+ if they are +o +h or +v, respectively.

state_chan_topic

Takes one argument, a channel name, returns undef if no topic is set on that channel, or an arrayref consisting of the topic, who set it and the time they set it.

state_chan_mode_set

Takes two arguments, a channel name and a channel mode character. Returns true if that channel mode is set, false otherwise.

state_is_chan_member

Takes two arguments, a nick and a channel name. Returns true if that nick is on channel, false otherwise.

state_user_chan_mode

Takes two arguments, a nick and a channel name. Returns that nicks status (+ohv or '') on that channel.

state_is_chan_op

Takes two arguments, a nick and a channel name. Returns true if that nick is an channel operator, false otherwise.

state_is_chan_hop

Takes two arguments, a nick and a channel name. Returns true if that nick is an channel half-operator, false otherwise.

state_has_chan_voice

Takes two arguments, a nick and a channel name. Returns true if that nick has channel voice, false otherwise.

Server actions

daemon_server_kill

Takes two arguments, a nickname and a comment (which is optional); Issues a SERVER KILL of the given nick;

daemon_server_mode

First argument is a channel name, remaining arguments are channel modes and their parameters to apply.

daemon_server_kick

Takes two arguments that are mandatory and an optional one: channel name, nickname of the user to kick and a pithy comment.

daemon_server_remove

Takes two arguments that are mandatory and an optional one: channel name, nickname of the user to remove and a pithy comment.

daemon_server_wallops

Takes one argument, the message text to send.

INPUT EVENTS

These are POE events that can be sent to the component.

add_spoofed_nick

Takes a single argument a hashref which should have the following keys:

  • 'nick', the nickname to add, mandatory;

  • 'user', the ident you want the nick to have, defaults to the same as the nick;

  • 'hostname', the hostname, defaults to the server name;

  • 'umode', specify whether this is to be an IRCop etc, defaults to 'i';

  • 'ts', unixtime, default is time(), best not to meddle;

Note: spoofed nicks are currently only really functional for use as IRC services.

del_spoofed_nick

Takes a single mandatory argument, the spoofed nickname to remove. Optionally, you may specify a quit message for the spoofed nick.

Spoofed nick commands

The following input events are for the benefit of spoofed nicks. All require a nickname of a spoofed nick as the first argument.

daemon_cmd_join

Takes two arguments, a spoofed nick and a channel name to join.

daemon_cmd_part

Takes two arguments, a spoofed nick and a channel name to part from.

daemon_cmd_mode

Takes at least three arguments, a spoofed nick, a channel and a channel mode to apply. Additional arguments are parameters for the channel modes.

daemon_cmd_kick

Takes at least three arguments, a spoofed nick, a channel name and the nickname of a user to kick from that channel. You may supply a fourth argument which will be the kick comment.

daemon_cmd_topic

Takes three arguments, a spoofed nick, a channel name and the topic to set on that channel. If the third argument is an empty string then the channel topic will be unset.

daemon_cmd_nick

Takes two arguments, a spoofed nick and a new nickname to change to.

daemon_cmd_gline

Takes three arguments, a spoofed nick, a user@host mask to gline and a reason for the gline.

daemon_cmd_kline

Takes a number of arguments depending on where the KLINE is to be applied and for how long:

To set a permanent KLINE:

 $ircd->yield(
     'daemon_cmd_kline',
     $spoofed_nick,
     $nick || $user_host_mask,
     $reason,
 );

To set a temporary 10 minute KLINE:

 $ircd->yield(
     'daemon_cmd_kline',
     $spoofed_nick,
     10,
     $nick || $user_host_mask,
     $reason,
 );

To set a temporary 10 minute KLINE on all servers:

 $ircd->yield(
     'daemon_cmd_kline',
     $spoofed_nick,
     10,
     $nick || $user_host_mask,
     'on',
     '*',
     $reason,
 );

daemon_cmd_unkline

Removes a KLINE as indicated by the user@host mask supplied.

To remove a KLINE:

 $ircd->yield(
     'daemon_cmd_unkline',
     $spoofed_nick,
     $user_host_mask,
 );

To remove a KLINE from all servers:

 $ircd->yield(
     'daemon_cmd_unkline',
     $spoofed_nick,
     $user_host_mask,
     'on',
     '*',
 );

daemon_cmd_rkline

Used to set a regex based KLINE. The regex given must be based on a user@host mask.

To set a permanent RKLINE:

 $ircd->yield(
     'daemon_cmd_rkline',
     $spoofed_nick,
     '^.*$@^(yahoo|google|microsoft)\.com$',
     $reason,
 );

To set a temporary 10 minute RKLINE:

 $ircd->yield(
     'daemon_cmd_rkline',
     $spoofed_nick,
     10,
     '^.*$@^(yahoo|google|microsoft)\.com$',
     $reason,
 );

To set a temporary 10 minute RKLINE on all servers:

 $ircd->yield(
     'daemon_cmd_kline',
     $spoofed_nick,
     10,
     '^.*$@^(yahoo|google|microsoft)\.com$',
     'on',
     '*',
     $reason,
 );

daemon_cmd_sjoin

Takes two arguments a spoofed nickname and an existing channel name. This command will then manipulate the channel timestamp to clear all modes on that channel, including existing channel operators, reset the channel mode to '+nt', the spoofed nick will then join the channel and gain channel ops.

daemon_cmd_privmsg

Takes three arguments, a spoofed nickname, a target (which can be a nickname or a channel name) and whatever text you wish to send.

daemon_cmd_notice

Takes three arguments, a spoofed nickname, a target (which can be a nickname or a channel name) and whatever text you wish to send.

daemon_cmd_locops

Takes two arguments, a spoofed nickname and the text message to send to local operators.

daemon_cmd_wallops

Takes two arguments, a spoofed nickname and the text message to send to all operators.

daemon_cmd_operwall

Takes two arguments, a spoofed nickname and the text message to send to all operators.

OUTPUT EVENTS

ircd_daemon_error

Emitted: when we fail to register with a peer;
Target: all plugins and registered sessions;
Args:
  • ARG0, the connection id;

  • ARG1, the server name;

  • ARG2, the reason;

ircd_daemon_server

Emitted: when a server is introduced onto the network;
Target: all plugins and registered sessions;
Args:
  • ARG0, the server name;

  • ARG1, the name of the server that is introducing them;

  • ARG2, the hop count;

  • ARG3, the server description;

ircd_daemon_squit

Emitted: when a server quits the network;
Target: all plugins and registered sessions;
Args:
  • ARG0, the server name;

ircd_daemon_nick

Emitted: when a user is introduced onto the network or changes their nickname
Target: all plugins and registered sessions;
Args (new user):
  • ARG0, the nickname;

  • ARG1, the hop count;

  • ARG2, the time stamp (TS);

  • ARG3, the user mode;

  • ARG4, the ident;

  • ARG5, the hostname;

  • ARG6, the server name;

  • ARG7, the real name;

Args (nick change):
  • ARG0, the full nick!user@host;

  • ARG1, the new nickname;

ircd_daemon_umode

Emitted: when a user changes their user mode;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the user mode change;

ircd_daemon_quit

Emitted: when a user quits or the server they are on squits;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the quit message;

ircd_daemon_join

Emitted: when a user joins a channel
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the channel name;

ircd_daemon_part

Emitted: when a user parts a channel;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the channel name;

  • ARG2, the part message;

ircd_daemon_kick

Emitted: when a user is kicked from a channel;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the kicker;

  • ARG1, the channel name;

  • ARG2, the nick of the kicked user;

  • ARG3, the kick message;

ircd_daemon_mode

Emitted: when a channel mode is changed;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host or server name;

  • ARG1, the channel name;

  • ARG2..$#_, the modes and their arguments;

ircd_daemon_topic

Emitted: when a channel topic is changed
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the changer;

  • ARG1, the channel name;

  • ARG2, the new topic;

ircd_daemon_public

Emitted: when a channel message is sent (a spoofed nick must be in the channel)
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the sender;

  • ARG1, the channel name;

  • ARG2, the message;

ircd_daemon_privmsg

Emitted: when someone sends a private message to a spoofed nick
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the sender;

  • ARG1, the spoofed nick targeted;

  • ARG2, the message;

ircd_daemon_notice

Emitted: when someone sends a notice to a spoofed nick or channel
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the sender;

  • ARG1, the spoofed nick targeted or channel spoofed nick is in;

  • ARG2, the message;

ircd_daemon_invite

Emitted: when someone invites a spoofed nick to a channel;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the inviter;

  • ARG1, the spoofed nick being invited;

  • ARG2, the channel being invited to;

ircd_daemon_rehash

Emitted: when an oper issues a REHASH command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the oper;

ircd_daemon_die

Emitted: when an oper issues a DIE command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host of the oper;

Note: the component will shutdown, this is a feature;

ircd_daemon_gline

Emitted: when an oper issues a GLINE command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the user mask;

  • ARG2, the host mask;

  • ARG3, the reason;

ircd_daemon_kline

Emitted: when an oper issues a KLINE command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the target for the KLINE;

  • ARG2, the duration in seconds;

  • ARG3, the user mask;

  • ARG4, the host mask;

  • ARG5, the reason;

ircd_daemon_rkline

Emitted: when an oper issues an RKLINE command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the target for the RKLINE;

  • ARG2, the duration in seconds;

  • ARG3, the user mask;

  • ARG4, the host mask;

  • ARG5, the reason;

ircd_daemon_unkline

Emitted: when an oper issues an UNKLINE command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the target for the UNKLINE;

  • ARG2, the user mask;

  • ARG3, the host mask;

ircd_daemon_locops

Emitted: when an oper issues a LOCOPS command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the locops message;

ircd_daemon_operwall

Emitted: when an oper issues a WALLOPS or OPERWALL command;
Target: all plugins and registered sessions;
Args:
  • ARG0, the full nick!user@host;

  • ARG1, the wallops or operwall message;

ircd_daemon_wallops

Emitted: when a server issues a WALLOPS;
Target: all plugins and registered sessions;
Args:
  • ARG0, the server name;

  • ARG1, the wallops message;

BUGS

A few have turned up in the past and they are sure to again. Please use http://rt.cpan.org/ to report any. Alternatively, email the current maintainer.

DEVELOPMENT

You can find the latest source on github: http://github.com/bingos/poe-component-server-irc

The project's developers usually hang out in the #poe IRC channel on irc.perl.org. Do drop us a line.

MAINTAINER

Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>

AUTHOR

Chris 'BinGOs' Williams

LICENSE

Copyright (c) Chris Williams

This module may be used, modified, and distributed under the same terms as Perl itself. Please see the license that came with your Perl distribution for details.

KUDOS

Rocco Caputo for creating POE.

Buu for pestering me when I started to procrastinate =]

SEE ALSO

POE http://poe.perl.org/

POE::Component::Server::IRC::Backend

Net::Netmask

Hybrid IRCD http://ircd-hybrid.com/

TSOra http://www.idolnet.org/docs/README.TSora

RFC 2810 http://www.faqs.org/rfcs/rfc2810.html

RFC 2811 http://www.faqs.org/rfcs/rfc2811.html

RFC 2812 http://www.faqs.org/rfcs/rfc2812.html

RFC 2813 http://www.faqs.org/rfcs/rfc2813.html