2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001,2002 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 ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
12 * $Id: irc-login.c,v 1.1 2002/02/27 23:26:21 alex Exp $
14 * irc-login.c: Anmeldung und Abmeldung im IRC
16 * $Log: irc-login.c,v $
17 * Revision 1.1 2002/02/27 23:26:21 alex
18 * - Modul aus irc.c bzw. irc.h ausgegliedert.
35 #include "irc-write.h"
40 #include "irc-login.h"
43 LOCAL BOOLEAN Hello_User( CLIENT *Client );
44 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
47 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
49 assert( Client != NULL );
50 assert( Req != NULL );
52 /* Fehler liefern, wenn kein lokaler Client */
53 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
55 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
57 /* noch nicht registrierte unbekannte Verbindung */
58 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
60 /* Passwort speichern */
61 Client_SetPassword( Client, Req->argv[0] );
63 Client_SetType( Client, CLIENT_GOTPASS );
66 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
68 /* noch nicht registrierte Server-Verbindung */
69 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
71 /* Passwort speichern */
72 Client_SetPassword( Client, Req->argv[0] );
74 Client_SetType( Client, CLIENT_GOTPASSSERVER );
77 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
79 /* Falsche Anzahl Parameter? */
80 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
82 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
86 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
88 CHAR str[LINE_LEN], *ptr;
89 CLIENT *from, *c, *cl;
95 assert( Client != NULL );
96 assert( Req != NULL );
98 /* Fehler liefern, wenn kein lokaler Client */
99 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
101 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
103 /* Verbindung soll als Server-Server-Verbindung registriert werden */
104 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
106 /* Falsche Anzahl Parameter? */
107 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
109 /* Ist dieser Server bei uns konfiguriert? */
110 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
111 if( i >= Conf_Server_Count )
113 /* Server ist nicht konfiguriert! */
114 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
115 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
118 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
120 /* Falsches Passwort */
121 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
122 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
126 /* Ist ein Server mit dieser ID bereits registriert? */
127 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
129 /* Server-Strukturen fuellen ;-) */
130 Client_SetID( Client, Req->argv[0] );
131 Client_SetHops( Client, 1 );
132 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
134 /* Meldet sich der Server bei uns an? */
137 /* Unseren SERVER- und PASS-Befehl senden */
139 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
140 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
143 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
146 Client_SetIntroducer( Client, Client );
147 Client_SetToken( Client, 1 );
149 else Client_SetToken( Client, atoi( Req->argv[1] ));
151 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
153 Client_SetType( Client, CLIENT_SERVER );
155 /* maximalen Hop Count ermitteln */
160 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
161 c = Client_Next( c );
164 /* Alle bisherigen Server dem neuen Server bekannt machen,
165 * die bisherigen Server ueber den neuen informierenn */
166 for( i = 0; i < ( max_hops + 1 ); i++ )
171 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
173 if( Client_Conn( c ) > NONE )
175 /* Dem gefundenen Server gleich den neuen
176 * Server bekannt machen */
177 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
180 /* Den neuen Server ueber den alten informieren */
181 if( ! IRC_WriteStrClientPrefix( Client, Client_Hops( c ) == 1 ? Client_ThisServer( ) : Client_Introducer( c ), "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ))) return DISCONNECTED;
183 c = Client_Next( c );
187 /* alle User dem neuen Server bekannt machen */
191 if( Client_Type( c ) == CLIENT_USER )
193 /* User an neuen Server melden */
194 if( ! IRC_WriteStrClient( Client, "NICK %s %d %s %s %d +%s :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_User( c ), Client_Hostname( c ), Client_MyToken( Client_Introducer( c )), Client_Modes( c ), Client_Info( c ))) return DISCONNECTED;
196 c = Client_Next( c );
199 /* Channels dem neuen Server bekannt machen */
200 chan = Channel_First( );
203 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
205 /* alle Member suchen */
206 cl2chan = Channel_FirstMember( chan );
209 cl = Channel_GetClient( cl2chan );
210 assert( cl != NULL );
212 /* Nick, ggf. mit Modes, anhaengen */
213 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
214 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
215 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
216 strcat( str, Client_ID( cl ));
218 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
221 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
222 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
225 cl2chan = Channel_NextMember( chan, cl2chan );
229 if( str[strlen( str ) - 1] != ':')
231 /* Ja; Also senden ... */
232 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
235 /* naechsten Channel suchen */
236 chan = Channel_Next( chan );
241 else if( Client_Type( Client ) == CLIENT_SERVER )
243 /* Neuer Server wird im Netz angekuendigt */
245 /* Falsche Anzahl Parameter? */
246 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
248 /* Ist ein Server mit dieser ID bereits registriert? */
249 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
251 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
252 ptr = strchr( Req->argv[3] + 2, '[' );
253 if( ! ptr ) ptr = Req->argv[3];
255 from = Client_GetFromID( Req->prefix );
258 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
259 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
260 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
264 /* Neue Client-Struktur anlegen */
265 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
268 /* Neue Client-Struktur konnte nicht angelegt werden */
269 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
270 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
274 /* Log-Meldung zusammenbauen und ausgeben */
275 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
276 else strcpy( str, "" );
277 Log( LOG_NOTICE, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
279 /* Andere Server informieren */
280 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
284 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
288 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
290 CHAR *channame, *ptr, modes[8];
291 BOOLEAN is_op, is_voiced;
295 assert( Client != NULL );
296 assert( Req != NULL );
298 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
300 /* Falsche Anzahl Parameter? */
301 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
303 channame = Req->argv[0];
304 ptr = strtok( Req->argv[1], "," );
307 is_op = is_voiced = FALSE;
309 /* Prefixe abschneiden */
310 while(( *ptr == '@' ) || ( *ptr == '+' ))
312 if( *ptr == '@' ) is_op = TRUE;
313 if( *ptr == '+' ) is_voiced = TRUE;
317 c = Client_GetFromID( ptr );
320 Channel_Join( c, channame );
321 chan = Channel_Search( channame );
322 assert( chan != NULL );
324 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
325 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
327 /* im Channel bekannt machen */
328 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
330 /* Channel-User-Modes setzen */
331 strcpy( modes, Channel_UserModes( chan, c ));
334 /* Modes im Channel bekannt machen */
335 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
338 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
340 /* naechsten Nick suchen */
341 ptr = strtok( NULL, "," );
344 /* an andere Server weiterleiten */
345 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
351 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
353 CLIENT *intr_c, *target, *c;
356 assert( Client != NULL );
357 assert( Req != NULL );
359 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
361 if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
363 if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER || ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
366 /* User-Registrierung bzw. Nick-Aenderung */
368 /* Falsche Anzahl Parameter? */
369 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
371 /* "Ziel-Client" ermitteln */
372 if( Client_Type( Client ) == CLIENT_SERVER )
374 target = Client_GetFromID( Req->prefix );
375 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
379 /* Ist der Client "restricted"? */
380 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
385 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
386 * wir nichts. So macht es das Original und mind. Snak hat probleme,
387 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
388 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
391 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
392 * will nur die Gross- und Kleinschreibung aendern. Das darf
393 * er natuerlich machen :-) */
394 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
396 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
399 /* Nick-Aenderung: allen mitteilen! */
401 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
402 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
403 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
405 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
408 Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", Client_Conn( Client ));
410 /* Client-Nick registrieren */
411 Client_SetID( target, Req->argv[0] );
413 /* schon ein USER da? Dann registrieren! */
414 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
415 else Client_SetType( Client, CLIENT_GOTNICK );
420 Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
422 /* neuen Client-Nick speichern */
423 Client_SetID( target, Req->argv[0] );
428 else if( Client_Type( Client ) == CLIENT_SERVER )
430 /* Server fuehrt neuen Client ein */
432 /* Falsche Anzahl Parameter? */
433 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
435 /* Nick ueberpruefen */
436 c = Client_GetFromID( Req->argv[0] );
439 /* Der neue Nick ist auf diesem Server bereits registriert:
440 * sowohl der neue, als auch der alte Client muessen nun
441 * disconnectiert werden. */
442 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
443 Kill_Nick( Req->argv[0], "Nick collision" );
447 /* Server, zu dem der Client connectiert ist, suchen */
448 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
451 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
452 Kill_Nick( Req->argv[0], "Unknown server" );
456 /* Neue Client-Struktur anlegen */
457 c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5] + 1, Req->argv[6], TRUE );
460 /* Eine neue Client-Struktur konnte nicht angelegt werden.
461 * Der Client muss disconnectiert werden, damit der Netz-
462 * status konsistent bleibt. */
463 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
464 Kill_Nick( Req->argv[0], "Server error" );
468 modes = Client_Modes( c );
469 if( *modes ) Log( LOG_DEBUG, "User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).", Client_Mask( c ), modes, Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
470 else Log( LOG_DEBUG, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_Mask( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
472 /* Andere Server, ausser dem Introducer, informieren */
473 IRC_WriteStrServersPrefix( Client, Client, "NICK %s %d %s %s %d %s :%s", Req->argv[0], atoi( Req->argv[1] ) + 1, Req->argv[2], Req->argv[3], Client_MyToken( intr_c ), Req->argv[5], Req->argv[6] );
477 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
481 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
483 assert( Client != NULL );
484 assert( Req != NULL );
487 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
489 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
492 /* Falsche Anzahl Parameter? */
493 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
495 Client_SetUser( Client, Req->argv[0], FALSE );
496 Client_SetInfo( Client, Req->argv[3] );
498 Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client ));
499 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
500 else Client_SetType( Client, CLIENT_GOTUSER );
503 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
505 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
507 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
511 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
515 assert( Client != NULL );
516 assert( Req != NULL );
518 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
522 /* Falsche Anzahl Parameter? */
523 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
525 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
526 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
530 else if ( Client_Type( Client ) == CLIENT_SERVER )
534 /* Falsche Anzahl Parameter? */
535 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
537 target = Client_Search( Req->prefix );
540 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
544 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
545 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
549 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
553 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
556 CHAR msg[LINE_LEN + 64];
558 assert( Client != NULL );
559 assert( Req != NULL );
561 /* SQUIT ist nur fuer Server erlaubt */
562 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
564 /* Falsche Anzahl Parameter? */
565 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
567 Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] );
569 /* SQUIT an alle Server weiterleiten */
570 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
572 target = Client_GetFromID( Req->argv[0] );
575 Log( LOG_ERR, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] );
579 if( Req->argv[1][0] )
581 if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
582 sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
584 else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client ));
586 if( Client_Conn( target ) > NONE )
588 /* dieser Server hat die Connection */
589 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
590 else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
595 /* Verbindung hielt anderer Server */
596 Client_Destroy( target, msg, Req->argv[1] );
602 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
604 CLIENT *target, *from;
606 assert( Client != NULL );
607 assert( Req != NULL );
609 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
611 /* Falsche Anzahl Parameter? */
612 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
613 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
617 /* es wurde ein Ziel-Client angegeben */
618 target = Client_GetFromID( Req->argv[1] );
619 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
620 if( target != Client_ThisServer( ))
623 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
625 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
626 return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
630 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
631 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
635 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
637 CLIENT *target, *from;
639 assert( Client != NULL );
640 assert( Req != NULL );
642 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
644 /* Falsche Anzahl Parameter? */
645 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
646 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
651 target = Client_GetFromID( Req->argv[1] );
652 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
653 if( target != Client_ThisServer( ))
656 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
658 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
659 return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
663 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
664 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
666 if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
667 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
673 LOCAL BOOLEAN Hello_User( CLIENT *Client )
675 assert( Client != NULL );
677 /* Passwort ueberpruefen */
678 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
680 /* Falsches Passwort */
681 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
682 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
686 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
688 /* Andere Server informieren */
689 IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
691 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
692 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
693 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
694 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
696 Client_SetType( Client, CLIENT_USER );
698 if( ! IRC_Send_LUSERS( Client )) return DISCONNECTED;
699 if( ! IRC_Show_MOTD( Client )) return DISCONNECTED;
705 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
709 assert( Nick != NULL );
710 assert( Reason != NULL );
712 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
714 /* andere Server benachrichtigen */
715 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
717 /* Ggf. einen eigenen Client toeten */
718 c = Client_GetFromID( Nick );
719 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );