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.c,v 1.68 2002/02/25 17:46:27 alex Exp $
17 * Revision 1.68 2002/02/25 17:46:27 alex
18 * - an User wird nun immer ein "komplettes" Prefix verschickt.
20 * Revision 1.67 2002/02/25 13:21:25 alex
21 * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge-
22 * leitet: war eh nicht RFC-konform und machte Probleme mit Clients.
24 * Revision 1.66 2002/02/23 21:39:48 alex
25 * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert.
27 * Revision 1.65 2002/02/23 00:03:54 alex
28 * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert.
30 * Revision 1.64 2002/02/19 20:06:45 alex
31 * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert,
32 * - VERSION liefert nun doch wieder den Debug-Status im Reply.
34 * Revision 1.63 2002/02/19 02:21:17 alex
35 * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut
36 * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-))
38 * Revision 1.62 2002/02/17 23:38:58 alex
39 * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION().
41 * Revision 1.61 2002/02/17 19:03:12 alex
42 * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert.
44 * Revision 1.60 2002/02/17 17:43:14 alex
45 * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet.
47 * Revision 1.59 2002/02/17 17:30:21 alex
48 * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet.
49 * - Neue Funktion IRC_WriteStrRelatedPrefix().
51 * Revision 1.58 2002/02/17 17:18:59 alex
54 * Revision 1.57 2002/02/13 23:05:29 alex
55 * - Nach Connect eines Users werden LUSERS-Informationen angezeigt.
57 * Revision 1.56 2002/02/13 17:52:27 alex
58 * - es werden nun Channel- und User-Modes von Usern angenommen.
60 * Revision 1.55 2002/02/12 14:40:37 alex
61 * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht.
63 * Revision 1.54 2002/02/11 23:33:35 alex
64 * - weitere Anpassungen an Channel-Modes und Channel-User-Modes.
66 * Revision 1.53 2002/02/11 16:06:21 alex
67 * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben.
69 * Revision 1.52 2002/02/11 15:52:21 alex
70 * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden.
71 * - Channel-Modes wurden falsch geliefert (als User-Modes).
73 * Revision 1.51 2002/02/11 15:15:53 alex
74 * - PING und PONG werden nun auch korrekt an andere Server geforwarded.
75 * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt.
77 * Revision 1.50 2002/02/11 01:03:20 alex
78 * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes:
79 * Modes werden besser geforwarded, lokale User, fuer die ein Channel
80 * angelegt wird, werden Channel-Operator, etc. pp. ...
81 * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet.
83 * Revision 1.49 2002/02/06 16:51:22 alex
84 * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet.
86 * Revision 1.48 2002/01/29 00:13:45 alex
87 * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist.
88 * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert
89 * LINKS wieder korrekt.
91 * Revision 1.47 2002/01/28 13:05:48 alex
92 * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt.
93 * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr).
95 * Revision 1.46 2002/01/28 01:45:43 alex
96 * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge.
98 * Revision 1.45 2002/01/28 01:18:14 alex
99 * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht.
101 * Revision 1.44 2002/01/28 00:55:08 alex
102 * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht.
104 * Revision 1.43 2002/01/27 21:56:39 alex
105 * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt.
106 * - einige kleinere Fixes bezueglich Channels ...
108 * Revision 1.42 2002/01/27 18:28:01 alex
109 * - bei NICK wurde das falsche Prefix an andere Server weitergegeben.
111 * Revision 1.41 2002/01/27 17:15:49 alex
112 * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und
113 * IRC_WriteStrChannelPrefix(),
114 * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID().
116 * Revision 1.40 2002/01/26 18:43:11 alex
117 * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(),
118 * die IRC_Write_xxx_Related() sind dafuer entfallen.
119 * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen.
121 * Revision 1.39 2002/01/21 00:05:11 alex
122 * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen
123 * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix().
124 * - diverse Aenderungen im Zusammenhang mit Channels.
126 * Revision 1.38 2002/01/18 15:31:32 alex
127 * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen.
129 * Revision 1.37 2002/01/16 22:10:18 alex
130 * - IRC_LUSERS() implementiert.
132 * Revision 1.36 2002/01/11 23:50:55 alex
133 * - LINKS implementiert, LUSERS begonnen.
135 * Revision 1.35 2002/01/09 21:30:45 alex
136 * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet.
138 * Revision 1.34 2002/01/09 01:09:58 alex
139 * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded,
140 * - andere Server werden nun ueber bisherige Server und User informiert.
142 * Revision 1.33 2002/01/07 23:42:12 alex
143 * - Es werden fuer alle Server eigene Token generiert,
144 * - QUIT von einem Server fuer einen User wird an andere Server geforwarded,
145 * - ebenso NICK-Befehle, die "fremde" User einfuehren.
147 * Revision 1.32 2002/01/07 16:02:36 alex
148 * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug).
149 * - Im Debug-Mode werden nun auch PING's protokolliert.
151 * Revision 1.31 2002/01/07 15:39:46 alex
152 * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst.
153 * - MODE und NICK melden nun die Aenderungen an andere Server.
155 * Revision 1.30 2002/01/06 15:21:29 alex
156 * - Loglevel und Meldungen nochmals ueberarbeitet.
157 * - QUIT und SQUIT forwarden nun den Grund der Trennung,
158 * - WHOIS wird nun immer an den "Original-Server" weitergeleitet.
160 * Revision 1.29 2002/01/05 23:24:54 alex
161 * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden.
162 * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen.
164 * Revision 1.28 2002/01/05 20:08:02 alex
165 * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst).
166 * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix().
168 * Revision 1.27 2002/01/05 19:15:03 alex
169 * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert.
171 * Revision 1.26 2002/01/05 16:51:18 alex
172 * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl).
174 * Revision 1.25 2002/01/05 00:48:33 alex
175 * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern.
177 * Revision 1.24 2002/01/04 17:58:44 alex
178 * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran.
179 * - neuer Befehl SQUIT, QUIT an Server-Links angepasst.
181 * Revision 1.23 2002/01/04 01:36:40 alex
182 * - Loglevel ein wenig angepasst.
184 * Revision 1.22 2002/01/04 01:21:47 alex
185 * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
186 * - Weitere Anpassungen und Erweiterungen der Server-Links.
188 * Revision 1.21 2002/01/03 02:26:51 alex
189 * - neue Befehle SERVER und NJOIN begonnen,
190 * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
192 * Revision 1.20 2002/01/02 12:46:41 alex
193 * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
195 * Revision 1.19 2002/01/02 02:51:39 alex
196 * - Copyright-Texte angepasst.
197 * - neuer Befehl "ERROR".
199 * Revision 1.17 2001/12/31 15:33:13 alex
200 * - neuer Befehl NAMES, kleinere Bugfixes.
201 * - Bug bei PING behoben: war zu restriktiv implementiert :-)
203 * Revision 1.16 2001/12/31 02:18:51 alex
204 * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
205 * - neuen Header "defines.h" mit (fast) allen Konstanten.
206 * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
208 * Revision 1.15 2001/12/30 19:26:11 alex
209 * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
211 * Revision 1.14 2001/12/30 11:42:00 alex
212 * - der Server meldet nun eine ordentliche "Start-Zeit".
214 * Revision 1.13 2001/12/29 03:10:06 alex
215 * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
216 * - neue configure-Optione "--enable-strict-rfc".
218 * Revision 1.12 2001/12/27 19:17:26 alex
219 * - neue Befehle PRIVMSG, NOTICE, PING.
221 * Revision 1.11 2001/12/27 16:55:41 alex
222 * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
224 * Revision 1.10 2001/12/26 22:48:53 alex
225 * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
227 * Revision 1.9 2001/12/26 14:45:37 alex
230 * Revision 1.8 2001/12/26 03:21:46 alex
231 * - PING/PONG-Befehle implementiert,
232 * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick.
234 * Revision 1.7 2001/12/25 23:25:18 alex
235 * - und nochmal Aenderungen am Logging ;-)
237 * Revision 1.6 2001/12/25 23:13:33 alex
238 * - Debug-Meldungen angepasst.
240 * Revision 1.5 2001/12/25 22:02:42 alex
241 * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben.
243 * Revision 1.4 2001/12/25 19:19:30 alex
244 * - bessere Fehler-Abfragen, diverse Bugfixes.
245 * - Nicks werden nur einmal vergeben :-)
246 * - /MOTD wird unterstuetzt.
248 * Revision 1.3 2001/12/24 01:34:06 alex
249 * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX)
250 * - MOTD-Ausgabe begonnen zu implementieren.
252 * Revision 1.2 2001/12/23 21:57:16 alex
253 * - erste IRC-Befehle zu implementieren begonnen.
255 * Revision 1.1 2001/12/14 08:13:43 alex
256 * - neues Modul begonnen :-)
277 #include "messages.h"
285 #define CONNECTED TRUE
286 #define DISCONNECTED FALSE
289 LOCAL BOOLEAN Hello_User( CLIENT *Client );
290 LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
292 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
294 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan );
295 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client );
297 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client );
300 GLOBAL VOID IRC_Init( VOID )
305 GLOBAL VOID IRC_Exit( VOID )
310 GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... )
313 BOOLEAN ok = CONNECTED;
316 assert( Client != NULL );
317 assert( Format != NULL );
319 va_start( ap, Format );
320 vsnprintf( buffer, 1000, Format, ap );
323 /* an den Client selber */
324 ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer );
327 } /* IRC_WriteStrClient */
330 GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... )
332 /* Text an Clients, lokal bzw. remote, senden. */
337 assert( Client != NULL );
338 assert( Format != NULL );
339 assert( Prefix != NULL );
341 va_start( ap, Format );
342 vsnprintf( buffer, 1000, Format, ap );
345 return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer );
346 } /* IRC_WriteStrClientPrefix */
349 GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... )
354 assert( Client != NULL );
355 assert( Format != NULL );
357 va_start( ap, Format );
358 vsnprintf( buffer, 1000, Format, ap );
361 return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer );
362 } /* IRC_WriteStrChannel */
365 GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
367 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
374 assert( Client != NULL );
375 assert( Chan != NULL );
376 assert( Prefix != NULL );
377 assert( Format != NULL );
379 va_start( ap, Format );
380 vsnprintf( buffer, 1000, Format, ap );
383 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
385 /* An alle Clients, die in den selben Channels sind.
386 * Dabei aber nur einmal je Remote-Server */
387 cl2chan = Channel_FirstMember( Chan );
390 c = Channel_GetClient( cl2chan );
393 if( Client_Conn( c ) <= NONE ) c = NULL;
394 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
396 if( c ) c = Client_NextHop( c );
398 if( c && ( c != Client ))
400 /* Ok, anderer Client */
401 s = Client_Conn( c );
403 assert( s < MAX_CONNECTIONS );
405 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
406 else is_server[s] = FALSE;
408 cl2chan = Channel_NextMember( Chan, cl2chan );
412 for( i = 0; i < MAX_CONNECTIONS; i++ )
416 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
417 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
422 } /* IRC_WriteStrChannelPrefix */
425 GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... )
430 assert( Format != NULL );
432 va_start( ap, Format );
433 vsnprintf( buffer, 1000, Format, ap );
436 /* an den Client selber */
437 return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer );
438 } /* IRC_WriteStrServers */
441 GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... )
447 assert( Format != NULL );
448 assert( Prefix != NULL );
450 va_start( ap, Format );
451 vsnprintf( buffer, 1000, Format, ap );
457 if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf ))
459 /* Ziel-Server gefunden */
460 IRC_WriteStrClientPrefix( c, Prefix, buffer );
462 c = Client_Next( c );
464 } /* IRC_WriteStrServersPrefix */
467 GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... )
469 BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED;
470 CL2CHAN *chan_cl2chan, *cl2chan;
477 assert( Client != NULL );
478 assert( Prefix != NULL );
479 assert( Format != NULL );
481 va_start( ap, Format );
482 vsnprintf( buffer, 1000, Format, ap );
486 for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE;
488 /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind,
489 * den Text schicken. An Remote-Server aber jeweils nur einmal. */
490 chan_cl2chan = Channel_FirstChannelOf( Client );
491 while( chan_cl2chan )
493 /* Channel des Users durchsuchen */
494 chan = Channel_GetChannel( chan_cl2chan );
495 cl2chan = Channel_FirstMember( chan );
498 c = Channel_GetClient( cl2chan );
501 if( Client_Conn( c ) <= NONE ) c = NULL;
502 else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL;
504 if( c ) c = Client_NextHop( c );
506 if( c && ( c != Client ))
508 /* Ok, anderer Client */
509 s = Client_Conn( c );
511 assert( s < MAX_CONNECTIONS );
513 if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE;
514 else is_server[s] = FALSE;
516 cl2chan = Channel_NextMember( chan, cl2chan );
519 /* naechsten Channel */
520 chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan );
524 for( i = 0; i < MAX_CONNECTIONS; i++ )
528 if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer );
529 else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer );
534 } /* IRC_WriteStrRelatedPrefix */
538 GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
540 assert( Client != NULL );
541 assert( Req != NULL );
543 /* Fehler liefern, wenn kein lokaler Client */
544 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
546 if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
548 /* noch nicht registrierte unbekannte Verbindung */
549 Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
551 /* Passwort speichern */
552 Client_SetPassword( Client, Req->argv[0] );
554 Client_SetType( Client, CLIENT_GOTPASS );
557 else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
559 /* noch nicht registrierte Server-Verbindung */
560 Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client ));
562 /* Passwort speichern */
563 Client_SetPassword( Client, Req->argv[0] );
565 Client_SetType( Client, CLIENT_GOTPASSSERVER );
568 else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
570 /* Falsche Anzahl Parameter? */
571 return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
573 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
577 GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
579 CHAR str[LINE_LEN], *ptr;
580 CLIENT *from, *c, *cl;
586 assert( Client != NULL );
587 assert( Req != NULL );
589 /* Fehler liefern, wenn kein lokaler Client */
590 if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
592 if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
594 /* Verbindung soll als Server-Server-Verbindung registriert werden */
595 Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
597 /* Falsche Anzahl Parameter? */
598 if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
600 /* Ist dieser Server bei uns konfiguriert? */
601 for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
602 if( i >= Conf_Server_Count )
604 /* Server ist nicht konfiguriert! */
605 Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
606 Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
609 if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 )
611 /* Falsches Passwort */
612 Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
613 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
617 /* Ist ein Server mit dieser ID bereits registriert? */
618 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
620 /* Server-Strukturen fuellen ;-) */
621 Client_SetID( Client, Req->argv[0] );
622 Client_SetHops( Client, 1 );
623 Client_SetInfo( Client, Req->argv[Req->argc - 1] );
625 /* Meldet sich der Server bei uns an? */
628 /* Unseren SERVER- und PASS-Befehl senden */
630 if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE;
631 else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
634 Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE );
637 Client_SetIntroducer( Client, Client );
638 Client_SetToken( Client, 1 );
640 else Client_SetToken( Client, atoi( Req->argv[1] ));
642 Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
644 Client_SetType( Client, CLIENT_SERVER );
646 /* maximalen Hop Count ermitteln */
651 if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
652 c = Client_Next( c );
655 /* Alle bisherigen Server dem neuen Server bekannt machen,
656 * die bisherigen Server ueber den neuen informierenn */
657 for( i = 0; i < ( max_hops + 1 ); i++ )
662 if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
664 if( Client_Conn( c ) > NONE )
666 /* Dem gefundenen Server gleich den neuen
667 * Server bekannt machen */
668 if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
671 /* Den neuen Server ueber den alten informieren */
672 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;
674 c = Client_Next( c );
678 /* alle User dem neuen Server bekannt machen */
682 if( Client_Type( c ) == CLIENT_USER )
684 /* User an neuen Server melden */
685 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;
687 c = Client_Next( c );
690 /* Channels dem neuen Server bekannt machen */
691 chan = Channel_First( );
694 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
696 /* alle Member suchen */
697 cl2chan = Channel_FirstMember( chan );
700 cl = Channel_GetClient( cl2chan );
701 assert( cl != NULL );
703 /* Nick, ggf. mit Modes, anhaengen */
704 if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
705 if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
706 if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
707 strcat( str, Client_ID( cl ));
709 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
712 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
713 sprintf( str, "NJOIN %s :", Channel_Name( chan ));
716 cl2chan = Channel_NextMember( chan, cl2chan );
720 if( str[strlen( str ) - 1] != ':')
722 /* Ja; Also senden ... */
723 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
726 /* naechsten Channel suchen */
727 chan = Channel_Next( chan );
732 else if( Client_Type( Client ) == CLIENT_SERVER )
734 /* Neuer Server wird im Netz angekuendigt */
736 /* Falsche Anzahl Parameter? */
737 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
739 /* Ist ein Server mit dieser ID bereits registriert? */
740 if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
742 /* Ueberfluessige Hostnamen aus Info-Text entfernen */
743 ptr = strchr( Req->argv[3] + 2, '[' );
744 if( ! ptr ) ptr = Req->argv[3];
746 from = Client_GetFromID( Req->prefix );
749 /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
750 Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
751 Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
755 /* Neue Client-Struktur anlegen */
756 c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
759 /* Neue Client-Struktur konnte nicht angelegt werden */
760 Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
761 Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
765 /* Log-Meldung zusammenbauen und ausgeben */
766 if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
767 else strcpy( str, "" );
768 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": "" );
770 /* Andere Server informieren */
771 IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
775 else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
779 GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
781 CHAR *channame, *ptr, modes[8];
782 BOOLEAN is_op, is_voiced;
786 assert( Client != NULL );
787 assert( Req != NULL );
789 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
791 /* Falsche Anzahl Parameter? */
792 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
794 channame = Req->argv[0];
795 ptr = strtok( Req->argv[1], "," );
798 is_op = is_voiced = FALSE;
800 /* Prefixe abschneiden */
801 while(( *ptr == '@' ) || ( *ptr == '+' ))
803 if( *ptr == '@' ) is_op = TRUE;
804 if( *ptr == '+' ) is_voiced = TRUE;
808 c = Client_GetFromID( ptr );
811 Channel_Join( c, channame );
812 chan = Channel_Search( channame );
813 assert( chan != NULL );
815 if( is_op ) Channel_UserModeAdd( chan, c, 'o' );
816 if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
818 /* im Channel bekannt machen */
819 IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
821 /* Channel-User-Modes setzen */
822 strcpy( modes, Channel_UserModes( chan, c ));
825 /* Modes im Channel bekannt machen */
826 IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
829 else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
831 /* naechsten Nick suchen */
832 ptr = strtok( NULL, "," );
835 /* an andere Server weiterleiten */
836 IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
842 GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
844 CLIENT *intr_c, *target, *c;
847 assert( Client != NULL );
848 assert( Req != NULL );
850 /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
852 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 ))
854 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 ))
857 /* User-Registrierung bzw. Nick-Aenderung */
859 /* Falsche Anzahl Parameter? */
860 if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
862 /* "Ziel-Client" ermitteln */
863 if( Client_Type( Client ) == CLIENT_SERVER )
865 target = Client_GetFromID( Req->prefix );
866 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
870 /* Ist der Client "restricted"? */
871 if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
876 /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
877 * wir nichts. So macht es das Original und mind. Snak hat probleme,
878 * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
879 if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
882 /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
883 * will nur die Gross- und Kleinschreibung aendern. Das darf
884 * er natuerlich machen :-) */
885 if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
887 if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED;
890 /* Nick-Aenderung: allen mitteilen! */
892 if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
893 IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] );
894 IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] );
896 /* Client-Nick registrieren */
897 Client_SetID( target, Req->argv[0] );
899 if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER ))
902 Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
903 if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
904 else Client_SetType( Client, CLIENT_GOTNICK );
906 else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
910 else if( Client_Type( Client ) == CLIENT_SERVER )
912 /* Server fuehrt neuen Client ein */
914 /* Falsche Anzahl Parameter? */
915 if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
917 /* Nick ueberpruefen */
918 c = Client_GetFromID( Req->argv[0] );
921 /* Der neue Nick ist auf diesem Server bereits registriert:
922 * sowohl der neue, als auch der alte Client muessen nun
923 * disconnectiert werden. */
924 Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
925 Kill_Nick( Req->argv[0], "Nick collision" );
929 /* Server, zu dem der Client connectiert ist, suchen */
930 intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
933 Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
934 Kill_Nick( Req->argv[0], "Unknown server" );
938 /* Neue Client-Struktur anlegen */
939 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 );
942 /* Eine neue Client-Struktur konnte nicht angelegt werden.
943 * Der Client muss disconnectiert werden, damit der Netz-
944 * status konsistent bleibt. */
945 Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
946 Kill_Nick( Req->argv[0], "Server error" );
950 modes = Client_Modes( c );
951 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": "" );
952 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": "" );
954 /* Andere Server, ausser dem Introducer, informieren */
955 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] );
959 else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
963 GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
965 assert( Client != NULL );
966 assert( Req != NULL );
969 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN )
971 if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS )
974 /* Falsche Anzahl Parameter? */
975 if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
977 Client_SetUser( Client, Req->argv[0], FALSE );
978 Client_SetInfo( Client, Req->argv[3] );
980 Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
981 if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
982 else Client_SetType( Client, CLIENT_GOTUSER );
985 else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
987 return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
989 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
993 GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
997 assert( Client != NULL );
998 assert( Req != NULL );
1000 if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
1002 /* User / Service */
1004 /* Falsche Anzahl Parameter? */
1005 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1007 if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
1008 else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
1010 return DISCONNECTED;
1012 else if ( Client_Type( Client ) == CLIENT_SERVER )
1016 /* Falsche Anzahl Parameter? */
1017 if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1019 target = Client_Search( Req->prefix );
1022 Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
1026 if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL );
1027 else Client_Destroy( target, "Got QUIT command.", Req->argv[0] );
1031 else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1035 GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req )
1039 assert( Client != NULL );
1040 assert( Req != NULL );
1042 /* SQUIT ist nur fuer Server erlaubt */
1043 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1045 /* Falsche Anzahl Parameter? */
1046 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1048 target = Client_GetFromID( Req->argv[0] );
1051 Log( LOG_ERR, "Got SQUIT from %s for unknown server \%s\"!?", Client_ID( Client ), Req->argv[0] );
1055 if( target == Client ) Log( LOG_DEBUG, "Got SQUIT from %s: %s", Client_ID( Client ), Req->argv[1] );
1056 else Log( LOG_DEBUG, "Got SQUIT from %s for %s: %s", Client_ID( Client ), Client_ID( target ), Req->argv[1] );
1058 /* SQUIT an alle Server weiterleiten */
1059 IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] );
1061 if( Client_Conn( target ) > NONE )
1063 if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), "Got SQUIT command.", Req->argv[1], TRUE );
1064 else Conn_Close( Client_Conn( target ), "Got SQUIT command.", NULL, TRUE );
1065 return DISCONNECTED;
1069 Client_Destroy( target, "Got SQUIT command.", Req->argv[1] );
1075 GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
1077 CLIENT *target, *from;
1079 assert( Client != NULL );
1080 assert( Req != NULL );
1082 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1084 /* Falsche Anzahl Parameter? */
1085 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1086 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1088 if( Req->argc == 2 )
1090 /* es wurde ein Ziel-Client angegeben */
1091 target = Client_GetFromID( Req->argv[1] );
1092 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1093 if( target != Client_ThisServer( ))
1096 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1098 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1099 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
1103 Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client ));
1104 return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
1108 GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
1110 CLIENT *target, *from;
1112 assert( Client != NULL );
1113 assert( Req != NULL );
1115 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1117 /* Falsche Anzahl Parameter? */
1118 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
1119 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1122 if( Req->argc == 2 )
1124 target = Client_GetFromID( Req->argv[1] );
1125 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1126 if( target != Client_ThisServer( ))
1129 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1131 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix );
1132 return IRC_WriteStrClientPrefix( Client_NextHop( target ), from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
1136 /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
1137 * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
1139 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 )));
1140 else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
1146 GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req )
1148 assert( Client != NULL );
1149 assert( Req != NULL );
1151 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1153 /* Falsche Anzahl Parameter? */
1154 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1156 return Show_MOTD( Client );
1160 GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
1165 assert( Client != NULL );
1166 assert( Req != NULL );
1168 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1170 /* Falsche Anzahl Parameter? */
1171 if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
1172 if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
1173 if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1175 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1177 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1179 to = Client_Search( Req->argv[0] );
1182 /* Okay, Ziel ist ein User */
1183 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1184 return IRC_WriteStrClientPrefix( to, from, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
1187 chan = Channel_Search( Req->argv[0] );
1190 /* Okay, Ziel ist ein Channel */
1191 if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from ));
1192 return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] );
1195 return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] );
1199 GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
1203 assert( Client != NULL );
1204 assert( Req != NULL );
1206 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1208 /* Falsche Anzahl Parameter? */
1209 if( Req->argc != 2 ) return CONNECTED;
1211 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1213 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1215 to = Client_Search( Req->argv[0] );
1218 /* Okay, Ziel ist ein User */
1219 return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
1221 else return CONNECTED;
1225 GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
1227 CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2];
1228 CLIENT *cl, *chan_cl, *prefix;
1232 assert( Client != NULL );
1233 assert( Req != NULL );
1235 cl = chan_cl = prefix = NULL;
1238 /* Valider Client? */
1239 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1241 /* Keine Parameter? */
1242 if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1244 /* Ziel suchen: Client bzw. Channel */
1245 if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] );
1246 if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] );
1248 /* Kein Ziel gefunden? */
1249 if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1251 assert(( cl && chan ) != TRUE );
1253 /* Falsche Anzahl Parameter? */
1254 if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1255 if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1257 /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */
1258 if(( chan ) && (Req->argc == 3 ))
1260 chan_cl = Client_Search( Req->argv[2] );
1261 if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
1264 /* Wenn Anfragender ein User ist: Zugriff erlaubt? */
1265 if( Client_Type( Client ) == CLIENT_USER )
1269 /* MODE ist nur fuer sich selber zulaessig! */
1270 if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
1274 /* Darf der User die Channel-Modes ermitteln? */
1278 /* Werden die Modes "nur" erfragt? */
1279 if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl ));
1280 if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan ));
1282 mode_ptr = Req->argv[1];
1284 /* Sollen Modes gesetzt oder geloescht werden? */
1287 if( *mode_ptr == '+' ) set = TRUE;
1288 else if( *mode_ptr == '-' ) set = FALSE;
1289 else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1294 if( *mode_ptr == '-' ) set = FALSE;
1296 if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++;
1299 /* Prefix fuer Antworten etc. ermitteln */
1300 if( Client_Type( Client ) == CLIENT_SERVER )
1302 prefix = Client_GetFromID( Req->prefix );
1303 if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1305 else prefix = Client;
1307 /* Reply-String mit Aenderungen vorbereiten */
1308 if( set ) strcpy( the_modes, "+" );
1309 else strcpy( the_modes, "-" );
1316 if( Client_Type( Client ) == CLIENT_SERVER )
1318 /* Befehl kommt von einem Server, daher
1319 * trauen wir ihm "unbesehen" ... */
1324 /* Modes validieren */
1335 /* restricted (kann nur gesetzt werden) */
1336 if( set ) x[0] = 'r';
1337 else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client ));
1340 /* operator (kann nur geloescht werden) */
1343 Client_SetOperByMe( Client, FALSE );
1346 else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
1349 Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ));
1350 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1356 /* Ist der User ein Channel Operator? */
1357 if( ! strchr( Channel_UserModes( chan, Client ), 'o' ))
1359 Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan ));
1360 ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan ));
1364 /* Channel-Modes oder Channel-User-Modes */
1367 /* Channel-User-Modes */
1371 /* Channel Operator */
1379 Log( LOG_DEBUG, "Unknown channel-user-mode \"%c%c\" from \"%s\" on \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Client_ID( chan_cl ), Channel_Name( chan ));
1380 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1398 /* kein Schreiben in den Channel von aussen */
1418 Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
1419 ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );
1428 if( ! x[0] ) continue;
1430 /* Okay, gueltigen Mode gefunden */
1433 /* Es geht um User-Modes */
1436 /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
1437 if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x );
1441 /* Modes geloescht. Wenn der Client ihn hatte: merken */
1442 if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x );
1447 /* Es geht um Channel-Modes oder Channel-User-Modes */
1450 /* Channel-User-Modes */
1453 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1454 if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x );
1458 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1459 if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x );
1467 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1468 if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x );
1472 /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */
1473 if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x );
1479 /* Wurden Modes geaendert? */
1485 if( Client_Type( Client ) == CLIENT_SERVER )
1487 /* Modes an andere Server forwarden */
1488 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1492 /* Bestaetigung an Client schicken & andere Server informieren */
1493 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes );
1494 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes );
1496 Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl ));
1500 /* Channel-Modes oder Channel-User-Mode */
1503 /* Channel-User-Mode */
1504 if( Client_Type( Client ) == CLIENT_SERVER )
1506 /* Modes an andere Server und Channel-User forwarden */
1507 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1508 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1512 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1513 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1514 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1515 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl));
1517 Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl ));
1522 if( Client_Type( Client ) == CLIENT_SERVER )
1524 /* Modes an andere Server und Channel-User forwarden */
1525 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1526 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1530 /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
1531 ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes );
1532 IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes );
1533 IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes );
1535 Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan ));
1544 GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
1548 assert( Client != NULL );
1549 assert( Req != NULL );
1551 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1553 /* Falsche Anzahl Parameter? */
1554 if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1556 /* Operator suchen */
1557 for( i = 0; i < Conf_Oper_Count; i++)
1559 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
1561 if( i >= Conf_Oper_Count )
1563 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
1564 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1567 /* Stimmt das Passwort? */
1568 if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
1570 Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
1571 return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
1574 if( ! Client_HasMode( Client, 'o' ))
1576 /* noch kein o-Mode gesetzt */
1577 Client_ModeAdd( Client, 'o' );
1578 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
1579 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
1582 if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
1584 Client_SetOperByMe( Client, TRUE );
1585 return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
1589 GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
1591 assert( Client != NULL );
1592 assert( Req != NULL );
1594 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1596 /* Falsche Anzahl Parameter? */
1597 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1599 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1601 Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
1607 GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
1609 assert( Client != NULL );
1610 assert( Req != NULL );
1612 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1614 /* Falsche Anzahl Parameter? */
1615 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1617 if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
1619 Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
1620 NGIRCd_Restart = TRUE;
1625 GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
1627 CHAR rpl[COMMAND_LEN];
1630 assert( Client != NULL );
1631 assert( Req != NULL );
1633 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1635 /* Falsche Anzahl Parameter? */
1636 if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1638 /* Noch alle User ausgeben, die in keinem Channel sind */
1640 c = Client_First( );
1643 if( Client_Type( c ) == CLIENT_USER )
1645 /* Okay, das ist ein User */
1646 strcat( rpl, Client_ID( c ));
1650 /* Antwort zu lang? Splitten. */
1651 if( strlen( rpl ) > 480 )
1653 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1654 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1658 c = Client_Next( c );
1662 /* es wurden User gefunden */
1663 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1664 if( ! IRC_WriteStrClient( Client, RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
1666 return IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
1670 GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
1672 CHAR rpl[COMMAND_LEN];
1677 assert( Client != NULL );
1678 assert( Req != NULL );
1680 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1682 /* Falsche Anzahl Parameter? */
1683 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1685 strcpy( rpl, RPL_ISON_MSG );
1686 for( i = 0; i < Req->argc; i++ )
1688 ptr = strtok( Req->argv[i], " " );
1692 c = Client_GetFromID( ptr );
1693 if( c && ( Client_Type( c ) == CLIENT_USER ))
1695 /* Dieser Nick ist "online" */
1699 ptr = strtok( NULL, " " );
1702 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1704 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1708 GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
1710 CLIENT *from, *target, *c;
1711 CHAR str[LINE_LEN + 1], *ptr = NULL;
1715 assert( Client != NULL );
1716 assert( Req != NULL );
1718 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1720 /* Falsche Anzahl Parameter? */
1721 if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1724 c = Client_GetFromID( Req->argv[Req->argc - 1] );
1725 if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] );
1727 /* Empfaenger des WHOIS suchen */
1728 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1730 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1732 /* Forwarden an anderen Server? */
1735 /* angegebenen Ziel-Server suchen */
1736 target = Client_GetFromID( Req->argv[1] );
1737 if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
1740 else target = Client_ThisServer( );
1742 assert( target != NULL );
1744 if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr );
1746 /* Nick, User und Name */
1747 if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
1750 if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
1753 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1754 cl2chan = Channel_FirstChannelOf( c );
1757 chan = Channel_GetChannel( cl2chan );
1758 assert( chan != NULL );
1760 /* Channel-Name anhaengen */
1761 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
1762 if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" );
1763 if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" );
1764 strcat( str, Channel_Name( chan ));
1766 if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 ))
1768 /* Zeile wird zu lang: senden! */
1769 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1770 sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
1773 /* naechstes Mitglied suchen */
1774 cl2chan = Channel_NextChannelOf( c, cl2chan );
1776 if( str[strlen( str ) - 1] != ':')
1778 /* Es sind noch Daten da, die gesendet werden muessen */
1779 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
1783 if( Client_HasMode( c, 'o' ))
1785 if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
1788 /* Idle (nur lokale Clients) */
1789 if( Client_Conn( c ) > NONE )
1791 if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
1795 return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c ));
1799 GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
1801 CHAR rpl[COMMAND_LEN];
1805 assert( Client != NULL );
1806 assert( Req != NULL );
1808 if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1810 /* Falsche Anzahl Parameter? */
1811 if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1813 if( Req->argc > 5 ) max = 5;
1814 else max = Req->argc;
1816 strcpy( rpl, RPL_USERHOST_MSG );
1817 for( i = 0; i < max; i++ )
1819 c = Client_GetFromID( Req->argv[i] );
1820 if( c && ( Client_Type( c ) == CLIENT_USER ))
1822 /* Dieser Nick ist "online" */
1823 strcat( rpl, Client_ID( c ));
1824 if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
1826 if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
1827 else strcat( rpl, "+" );
1828 strcat( rpl, Client_User( c ));
1830 strcat( rpl, Client_Hostname( c ));
1834 if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
1836 return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) );
1837 } /* IRC_USERHOST */
1840 GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
1842 assert( Client != NULL );
1843 assert( Req != NULL );
1845 if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client ));
1846 else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] );
1852 GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req )
1854 CLIENT *target, *from;
1856 assert( Client != NULL );
1857 assert( Req != NULL );
1859 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1861 /* Falsche Anzahl Parameter? */
1862 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1864 /* Absender ermitteln */
1865 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1867 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1869 /* An anderen Server forwarden? */
1870 if( Req->argc == 2 )
1872 target = Client_GetFromID( Req->argv[1] );
1873 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
1874 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
1877 /* Wer ist der Absender? */
1878 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1879 else target = Client;
1880 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1882 Send_LUSERS( target );
1888 GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req )
1890 CLIENT *target, *from, *c;
1893 assert( Client != NULL );
1894 assert( Req != NULL );
1896 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1898 /* Falsche Anzahl Parameter? */
1899 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1901 /* Server-Mask ermitteln */
1902 if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1];
1905 /* Absender ermitteln */
1906 if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
1908 if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1910 /* An anderen Server forwarden? */
1911 if( Req->argc == 2 )
1913 target = Client_GetFromID( Req->argv[0] );
1914 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
1915 else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] );
1918 /* Wer ist der Absender? */
1919 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1920 else target = Client;
1921 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1923 c = Client_First( );
1926 if( Client_Type( c ) == CLIENT_SERVER )
1928 if( ! IRC_WriteStrClient( target, RPL_LINKS_MSG, Client_ID( target ), Client_ID( c ), Client_ID( Client_TopServer( c ) ? Client_TopServer( c ) : Client_ThisServer( )), Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
1930 c = Client_Next( c );
1933 return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask );
1937 GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
1939 CHAR *channame, *flags, modes[8];
1940 BOOLEAN is_new_chan;
1944 assert( Client != NULL );
1945 assert( Req != NULL );
1947 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
1949 /* Falsche Anzahl Parameter? */
1950 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
1952 /* Wer ist der Absender? */
1953 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
1954 else target = Client;
1955 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
1957 /* Channel-Namen durchgehen */
1958 channame = strtok( Req->argv[0], "," );
1961 /* wird der Channel neu angelegt? */
1964 if( Channel_Search( channame )) is_new_chan = FALSE;
1965 else is_new_chan = TRUE;
1967 /* Hat ein Server Channel-User-Modes uebergeben? */
1968 if( Client_Type( Client ) == CLIENT_SERVER )
1970 /* Channel-Flags extrahieren */
1971 flags = strchr( channame, 0x7 );
1972 if( flags ) *flags++ = '\0';
1975 /* neuer Channel udn lokaler Client? */
1976 if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER ))
1978 /* Dann soll der Client Channel-Operator werden! */
1982 /* Channel joinen (und ggf. anlegen) */
1983 if( ! Channel_Join( target, channame ))
1985 /* naechsten Namen ermitteln */
1986 channame = strtok( NULL, "," );
1989 chan = Channel_Search( channame );
1990 assert( chan != NULL );
1992 /* Modes setzen (wenn vorhanden) */
1993 while( flags && *flags )
1995 Channel_UserModeAdd( chan, target, *flags );
1999 /* Muessen Modes an andere Server gemeldet werden? */
2000 strcpy( &modes[1], Channel_UserModes( chan, target ));
2001 if( modes[1] ) modes[0] = 0x7;
2002 else modes[0] = '\0';
2004 /* An andere Server weiterleiten */
2005 IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes );
2007 /* im Channel bekannt machen */
2008 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame );
2011 /* Modes im Channel bekannt machen */
2012 IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target ));
2015 if( Client_Type( Client ) == CLIENT_USER )
2017 /* an Client bestaetigen */
2018 IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame );
2019 /* Topic an Client schicken */
2020 IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" );
2021 /* Mitglieder an Client Melden */
2022 Send_NAMES( Client, chan );
2025 /* naechsten Namen ermitteln */
2026 channame = strtok( NULL, "," );
2032 GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req )
2037 assert( Client != NULL );
2038 assert( Req != NULL );
2040 if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2042 /* Falsche Anzahl Parameter? */
2043 if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2045 /* Wer ist der Absender? */
2046 if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix );
2047 else target = Client;
2048 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
2050 /* Channel-Namen durchgehen */
2051 chan = strtok( Req->argv[0], "," );
2054 if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target )))
2056 /* naechsten Namen ermitteln */
2057 chan = strtok( NULL, "," );
2061 /* naechsten Namen ermitteln */
2062 chan = strtok( NULL, "," );
2068 GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req )
2072 assert( Client != NULL );
2073 assert( Req != NULL );
2075 /* Falsche Anzahl Parameter? */
2076 if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2079 if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] );
2080 else target = Client_ThisServer( );
2082 /* An anderen Server weiterleiten? */
2083 if( target != Client_ThisServer( ))
2085 if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
2086 IRC_WriteStrClientPrefix( Client_NextHop( target ), Client, "VERSION %s", Req->argv[0] );
2090 return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( Client ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
2094 GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req )
2098 assert( Client != NULL );
2099 assert( Req != NULL );
2101 if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
2103 /* Falsche Anzahl Parameter? */
2104 if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
2106 prefix = Client_GetFromID( Req->prefix );
2109 Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix );
2110 prefix = Client_ThisServer( );
2113 Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] );
2115 /* andere Server benachrichtigen */
2116 IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] );
2118 /* haben wir selber einen solchen Client? */
2119 c = Client_GetFromID( Req->argv[0] );
2120 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE );
2126 LOCAL BOOLEAN Hello_User( CLIENT *Client )
2128 assert( Client != NULL );
2130 /* Passwort ueberpruefen */
2131 if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
2133 /* Falsches Passwort */
2134 Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
2135 Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
2136 return DISCONNECTED;
2139 Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
2141 /* Andere Server informieren */
2142 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 ));
2144 if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
2145 if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2146 if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
2147 if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
2149 Client_SetType( Client, CLIENT_USER );
2151 if( ! Send_LUSERS( Client )) return DISCONNECTED;
2152 if( ! Show_MOTD( Client )) return DISCONNECTED;
2158 LOCAL BOOLEAN Show_MOTD( CLIENT *Client )
2164 assert( Client != NULL );
2166 fd = fopen( Conf_MotdFile, "r" );
2169 Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
2170 return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
2173 IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
2176 if( ! fgets( line, 126, fd )) break;
2177 if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
2178 if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
2184 ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
2192 LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
2196 assert( Nick != NULL );
2197 assert( Reason != NULL );
2199 Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
2201 /* andere Server benachrichtigen */
2202 IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason );
2204 /* Ggf. einen eigenen Client toeten */
2205 c = Client_GetFromID( Nick );
2206 if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
2210 LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan )
2212 CHAR str[LINE_LEN + 1];
2216 assert( Client != NULL );
2217 assert( Chan != NULL );
2219 /* Alle Mitglieder suchen */
2220 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2221 cl2chan = Channel_FirstMember( Chan );
2224 cl = Channel_GetClient( cl2chan );
2226 /* Nick anhaengen */
2227 if( str[strlen( str ) - 1] != ':' ) strcat( str, " " );
2228 if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" );
2229 if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" );
2230 strcat( str, Client_ID( cl ));
2232 if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
2234 /* Zeile wird zu lang: senden! */
2235 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2236 sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
2239 /* naechstes Mitglied suchen */
2240 cl2chan = Channel_NextMember( Chan, cl2chan );
2242 if( str[strlen( str ) - 1] != ':')
2244 /* Es sind noch Daten da, die gesendet werden muessen */
2245 if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED;
2249 IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( Chan ));
2255 LOCAL BOOLEAN Send_LUSERS( CLIENT *Client )
2259 assert( Client != NULL );
2261 /* Users, Services und Serevr im Netz */
2262 if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED;
2264 /* IRC-Operatoren im Netz */
2265 cnt = Client_OperCount( );
2268 if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2271 /* Unbekannt Verbindungen */
2272 cnt = Client_UnknownCount( );
2275 if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED;
2278 /* Channels im Netz */
2279 if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED;
2281 /* Channels im Netz */
2282 if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED;
2288 CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client )
2290 assert( Target != NULL );
2291 assert( Client != NULL );
2293 if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client );
2294 else return Client_Mask( Client );