* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: irc.c,v 1.10 2001/12/26 22:48:53 alex Exp $
+ * $Id: irc.c,v 1.13 2001/12/29 03:10:06 alex Exp $
*
* irc.c: IRC-Befehle
*
* $Log: irc.c,v $
+ * Revision 1.13 2001/12/29 03:10:06 alex
+ * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
+ * - neue configure-Optione "--enable-strict-rfc".
+ *
+ * Revision 1.12 2001/12/27 19:17:26 alex
+ * - neue Befehle PRIVMSG, NOTICE, PING.
+ *
+ * Revision 1.11 2001/12/27 16:55:41 alex
+ * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
+ *
* Revision 1.10 2001/12/26 22:48:53 alex
* - MOTD-Datei ist nun konfigurierbar und wird gelesen.
*
CHAR buffer[1000];
BOOLEAN ok = CONNECTED;
+ CONN_ID send_to;
va_list ap;
assert( Client != NULL );
assert( Format != NULL );
va_start( ap, Format );
+ vsnprintf( buffer, 1000, Format, ap );
+ va_end( ap );
- if( Client->conn_id != NONE )
- {
- /* Lokaler Client */
- vsnprintf( buffer, 1000, Format, ap );
- if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Prefix->host, buffer );
- else ok = Conn_WriteStr( Client->conn_id, buffer );
- }
- else
- {
- /* Remote-Client */
- Log( LOG_EMERG, "not implemented: IRC_WriteStrClient()" );
- }
+ if( Client->conn_id != NONE ) send_to = Client->conn_id;
+ else send_to = Client->introducer->conn_id;
+
+ if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Client_GetID( Prefix ), buffer );
+ else ok = Conn_WriteStr( Client->conn_id, buffer );
- va_end( ap );
return ok;
} /* IRC_WriteStrClient */
+GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... )
+{
+ CHAR buffer[1000];
+ BOOLEAN ok = CONNECTED;
+ va_list ap;
+
+ assert( Client != NULL );
+ assert( Format != NULL );
+
+ va_start( ap, Format );
+ vsnprintf( buffer, 1000, Format, ap );
+ va_end( ap );
+
+ /* an den Client selber */
+ ok = IRC_WriteStrClient( Client, Client, buffer );
+
+ return ok;
+} /* IRC_WriteStrRelated */
+
+
GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
+ /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
+#ifndef STRICT_RFC
+ if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTUSER || Client->type == CLIENT_USER )
+#else
+ if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_USER )
+#endif
{
/* Falsche Anzahl Parameter? */
if( Req->argc != 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ /* Ist der Client "restricted"? */
+ if( strchr( Client->modes, 'r' )) return IRC_WriteStrClient( Client, This_Server, ERR_RESTRICTED_MSG, Client_Name( Client ));
+
+ /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
+ * wir nichts. So macht es das Original und mind. Snak hat probleme,
+ * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
+#ifndef STRICT_RFC
+ if( strcasecmp( Client->nick, Req->argv[0] ) == 0 ) return CONNECTED;
+#endif
+
/* pruefen, ob Nick bereits vergeben */
if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED;
+ if( Client->type == CLIENT_USER )
+ {
+ /* Nick-Aenderung: allen mitteilen! */
+ Log( LOG_INFO, "User \"%s!%s@%s\" changed nick: \"%s\" -> \"%s\".", Client->nick, Client->user, Client->host, Client->nick, Req->argv[0] );
+ IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] );
+ }
+
/* Client-Nick registrieren */
strcpy( Client->nick, Req->argv[0] );
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
+#ifndef STRICT_RFC
+ if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_UNKNOWN )
+#else
+ if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
+#endif
{
/* Falsche Anzahl Parameter? */
if( Req->argc != 4 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
{
+ CLIENT *to;
+
assert( Client != NULL );
assert( Req != NULL );
- return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command );
+ if( ! Check_Valid_User( Client )) return CONNECTED;
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Name( Client ));
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+
+ to = Client_Search( Req->argv[0] );
+
+ if( to ) return IRC_WriteStrClient( Client, This_Server, "PONG :%s", Client_Name( Client ));
+ else return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Name( Client ), Req->argv[0] );
} /* IRC_PING */
} /* IRC_MOTD */
+GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *to;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( ! Check_Valid_User( Client )) return CONNECTED;
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc == 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NORECIPIENT_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTEXTTOSEND_MSG, Client_Name( Client ));
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
+ {
+ /* Okay, Ziel ist ein User */
+ return IRC_WriteStrClient( to, Client, "PRIVMSG %s :%s", to->nick, Req->argv[1] );
+ }
+
+ return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Name( Client ), Req->argv[0] );
+} /* IRC_PRIVMSG */
+
+
+GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *to;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( ! Check_Valid_User( Client )) return CONNECTED;
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return CONNECTED;
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
+ {
+ /* Okay, Ziel ist ein User */
+ return IRC_WriteStrClient( to, Client, "NOTICE %s :%s", to->nick, Req->argv[1] );
+ }
+
+ return CONNECTED;
+} /* IRC_NOTICE */
+
+
+GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
+{
+ CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr, *p;
+ BOOLEAN set, ok;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( ! Check_Valid_User( Client )) return CONNECTED;
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+
+ /* MODE ist nur fuer sich selber zulaessig */
+ if( Client_Search( Req->argv[0] ) != Client ) return IRC_WriteStrClient( Client, This_Server, ERR_USERSDONTMATCH_MSG, Client_Name( Client ));
+
+ /* Werden die Modes erfragt? */
+ if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, RPL_UMODEIS_MSG, Client_Name( Client ), Client->modes );
+
+ ptr = Req->argv[1];
+
+ /* Sollen Modes gesetzt oder geloescht werden? */
+ if( *ptr == '+' ) set = TRUE;
+ else if( *ptr == '-' ) set = FALSE;
+ else return IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Name( Client ));
+
+ /* Reply-String mit Aenderungen vorbereiten */
+ if( set ) strcpy( new_modes, "+" );
+ else strcpy( new_modes, "-" );
+
+ ptr++;
+ ok = TRUE;
+ x[1] = '\0';
+ while( *ptr )
+ {
+ x[0] = '\0';
+ switch( *ptr )
+ {
+ case 'i':
+ /* invisible */
+ x[0] = 'i';
+ break;
+ case 'r':
+ /* restricted (kann nur gesetzt werden) */
+ if( set ) x[0] = 'r';
+ else ok = IRC_WriteStrClient( Client, This_Server, ERR_RESTRICTED_MSG, Client_Name( Client ));
+ break;
+ default:
+ ok = IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Name( Client ));
+ x[0] = '\0';
+ }
+ if( ! ok ) break;
+
+ ptr++;
+ if( ! x[0] ) continue;
+
+ /* Okay, gueltigen Mode gefunden */
+ if( set )
+ {
+ /* Modes sollen gesetzt werden */
+ if( ! strchr( Client->modes, x[0] ))
+ {
+ /* Client hat den Mode noch nicht -> setzen */
+ strcat( Client->modes, x );
+ strcat( new_modes, x );
+ }
+ }
+ else
+ {
+ /* Modes sollen geloescht werden */
+ p = strchr( Client->modes, x[0] );
+ if( p )
+ {
+ /* Client hat den Mode -> loeschen */
+ while( *p )
+ {
+ *p = *(p + 1);
+ p++;
+ }
+ strcat( new_modes, x );
+ }
+ }
+ }
+
+ /* Geanderte Modes? */
+ if( new_modes[1] && ok )
+ {
+ ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client->nick, new_modes );
+ Log( LOG_DEBUG, "User \"%s!%s@%s\": Mode change, now \"%s\".", Client->nick, Client->user, Client->host, Client->modes );
+ }
+ return ok;
+} /* IRC_MODE */
+
+
LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
{
assert( Client != NULL );
assert( Client != NULL );
assert( Client->nick[0] );
- Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name );
+ Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered (connection %d).", Client->nick, Client->user, Client->host, Client->name, Client->conn_id );
- IRC_WriteStrClient( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client->nick, Client->user, Client->host );
+ IRC_WriteStrClient( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client_GetID( Client ));
IRC_WriteStrClient( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->host );
IRC_WriteStrClient( Client, This_Server, RPL_CREATED_MSG, Client->nick );
IRC_WriteStrClient( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );