ft_irc

My own Internet Relay Chat server

About

This project was carried out as part of the School 42 Common Core. The aim of this project is to discover the IRC protocol and to create our own IRC server using c++98.

Authors

Author	GitHub profile
Samuel Vanmeenen Bachelard (svanmeen)	@Lyptis
Camille Bernot (cbernot)	@RhesusP

Grade : 125/100 ✅✨

Subject requirements

• Take a port and a password as parameters.
• The server must handle several clients at the same time without being blocked.
• Multi-threading is not allowed.
• Server must use only one poll
• Communication between the server and clients must be done using TCP/IP sockets.
• User must be able to set a nickname and a username, join a channel, send and receive messages (public or private).
• Server must be able to handle several channels.
• Regular users and channel operators must be implemented.
• The following commands must be implemented : KICK, INVITE, TOPIC and MODE (with modes i, t, k, o and l).
• Server must be able to receive partial messages.

Commands implemented

Command	Description
PASS	Set a connection password to begin the registration process
USER	Specify a username and realname of a new user during registration process
NICK	Set the user a nickname (or change the previous one)
MOTD	Display the Message Of The Day of the server
JOIN	Join one or several channels
KICK	Force remove a user from a channel
MODE	Display or set channel mode : - +k set a password to the channel - -k remove the password - +i set the channel as invite-only - -i remove the invite-only restriction - +t protect the channel topic - -t remove topic protection - +o give channel operator privileges to a user - -o remove channel operator privileges to a user - +l set a user limit - -l remove the user limit
TOPIC	Display of set the channel topic
INVITE	Invite a user to a channel
PART	Remove the user from the given channel(s)
QUIT	Terminate client's connection to the server
PRIVMSG	Send a message to a user or a channel
WHO	Display infos about users
PING	Check that the server is still connected to the client
BOT	Activate or deactivate a bot that greets users in a channel

Usage

make && ./ircserv <port> <password>

Useful Links

• Internet Relay Chat Protocol (RFC1459)
• Internet Relay Chat: Architecture (RFC2810)
• Internet Relay Chat: Channel Management (RFC2811)
• Internet Relay Chat: Client Protocol (RFC2812)
• RFC1459 (French version)
• Internet Relay Chat: Server Protocol (RFC2813)
• Default Port for Internet Relay Chat (IRC) via TLS/SSL (RFC7194)
• The UChicago X-Projects
• ircdocs.horse
• Guide to Network Programming