2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001 by Alexander Barton (alex@barton.de)
5 * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
6 * der GNU General Public License (GPL), wie von der Free Software Foundation
7 * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
8 * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
9 * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
10 * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
12 * $Id: irc.c,v 1.3 2001/12/24 01:34:06 alex Exp $
17 * Revision 1.3 2001/12/24 01:34:06 alex
18 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
19 * - MOTD-Ausgabe begonnen zu implementieren.
21 * Revision 1.2 2001/12/23 21:57:16 alex
22 * - erste IRC-Befehle zu implementieren begonnen.
24 * Revision 1.1 2001/12/14 08:13:43 alex
25 * - neues Modul begonnen :-)
47 LOCAL BOOLEAN Check_Valid_User( CLIENT *Client );
49 LOCAL VOID Hello_User( CLIENT *Client );
50 LOCAL VOID Show_MOTD( CLIENT *Client );
53 GLOBAL VOID IRC_Init( VOID )
58 GLOBAL VOID IRC_Exit( VOID )
63 GLOBAL VOID IRC_WriteStr_Client( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
65 /* Text an Clients, lokal bzw. remote, senden. */
70 assert( Client != NULL );
71 assert( Format != NULL );
73 va_start( ap, Format );
75 if( Client->conn_id != NONE )
78 vsnprintf( buffer, 1000, Format, ap );
79 if( Prefix ) Conn_WriteStr( Client->conn_id, ":%s %s", Prefix->host, buffer );
80 else Conn_WriteStr( Client->conn_id, buffer );
85 Log( LOG_DEBUG, "not implemented: IRC_WriteStr_Client()" );
88 } /* IRC_WriteStr_Client */
91 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
93 assert( Client != NULL );
94 assert( Req != NULL );
96 IRC_WriteStr_Client( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Req->command );
101 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
103 assert( Client != NULL );
104 assert( Req != NULL );
106 if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_PASS || Client->type == CLIENT_USER )
111 if( strlen( Req->argv[0] ) <= CLIENT_NICK_LEN )
113 /* Client-Nick registrieren */
114 strcpy( Client->nick, Req->argv[0] );
115 if( Client->type == CLIENT_USER ) Hello_User( Client );
116 Client->type = CLIENT_NICK;
118 else IRC_WriteStr_Client( Client, This_Server, ERR_ERRONEUSNICKNAME_MSG, Req->argv[0] );
120 else IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
122 else if( Client->type == CLIENT_USER )
124 /* Nick-Aenderung eines Users */
125 if( ! Check_Valid_User( Client )) return TRUE;
126 Log( LOG_DEBUG, "not implemented: IRC_NICK()" );
128 else IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
134 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
136 assert( Client != NULL );
137 assert( Req != NULL );
139 if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_NICK )
143 strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN );
144 Client->user[CLIENT_USER_LEN] = '\0';
145 strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN );
146 Client->name[CLIENT_NAME_LEN] = '\0';
147 if( Client->type == CLIENT_NICK ) Hello_User( Client );
148 Client->type = CLIENT_USER;
150 else IRC_WriteStr_Client( Client, This_Server, ERR_NEEDMOREPARAMS_MSG );
152 else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE )
154 IRC_WriteStr_Client( Client, This_Server, ERR_ALREADYREGISTRED_MSG );
156 else IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
162 LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
164 assert( Client != NULL );
166 if( Client->type != CLIENT_USER )
168 IRC_WriteStr_Client( Client, This_Server, ERR_NOTREGISTERED_MSG );
172 } /* Check_Valid_User */
175 LOCAL VOID Hello_User( CLIENT *Client )
177 Log( LOG_INFO, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name );
178 IRC_WriteStr_Client( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client->nick, Client->user, Client->host );
179 IRC_WriteStr_Client( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host );
180 IRC_WriteStr_Client( Client, This_Server, RPL_CREATED_MSG, Client->nick );
181 IRC_WriteStr_Client( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );
186 LOCAL VOID Show_MOTD( CLIENT *Client )
188 IRC_WriteStr_Client( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host );
189 IRC_WriteStr_Client( Client, This_Server, RPL_MOTD_MSG, Client->nick, "Some cool IRC server welcome message ;-)" );
190 IRC_WriteStr_Client( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick );