/* * ngIRCd -- The Next Generation IRC Daemon * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) * * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen * der GNU General Public License (GPL), wie von der Free Software Foundation * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. * * $Id: irc.c,v 1.79 2002/02/27 18:57:21 alex Exp $ * * irc.c: IRC-Befehle * * $Log: irc.c,v $ * Revision 1.79 2002/02/27 18:57:21 alex * - PRIVMSG zeugt nun bei Texten an User an, wenn diese "away" sind. * * Revision 1.78 2002/02/27 18:23:45 alex * - IRC-Befehl "AWAY" implementert. * * Revision 1.77 2002/02/27 17:05:41 alex * - PRIVMSG beachtet nun die Channel-Modes "n" und "m". * * Revision 1.76 2002/02/27 16:04:14 alex * - Bug bei belegtem Nickname bei User-Registrierung (NICK-Befehl) behoben. * * Revision 1.75 2002/02/27 15:23:27 alex * - NAMES beachtet nun das "invisible" Flag ("i") von Usern. * * Revision 1.74 2002/02/27 03:44:53 alex * - gerade eben in SQUIT eingefuehrten Bug behoben: entfernte Server werden nun * nur noch geloescht, die Verbindung, von der SQUIT kam, bleibt wieder offen. * * Revision 1.73 2002/02/27 03:08:05 alex * - Log-Meldungen bei SQUIT erneut ueberarbeitet ... * * Revision 1.72 2002/02/27 02:26:58 alex * - SQUIT wird auf jeden Fall geforwarded, zudem besseres Logging. * * Revision 1.71 2002/02/27 00:50:05 alex * - einige unnoetige Client_NextHop()-Aufrufe entfernt. * - NAMES korrigiert und komplett implementiert. * * Revision 1.70 2002/02/26 22:06:40 alex * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben. * * Revision 1.69 2002/02/26 20:52:40 alex * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet) * * Revision 1.68 2002/02/25 17:46:27 alex * - an User wird nun immer ein "komplettes" Prefix verschickt. * * Revision 1.67 2002/02/25 13:21:25 alex * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge- * leitet: war eh nicht RFC-konform und machte Probleme mit Clients. * * Revision 1.66 2002/02/23 21:39:48 alex * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert. * * Revision 1.65 2002/02/23 00:03:54 alex * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert. * * Revision 1.64 2002/02/19 20:06:45 alex * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert, * - VERSION liefert nun doch wieder den Debug-Status im Reply. * * Revision 1.63 2002/02/19 02:21:17 alex * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-)) * * Revision 1.62 2002/02/17 23:38:58 alex * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION(). * * Revision 1.61 2002/02/17 19:03:12 alex * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert. * * Revision 1.60 2002/02/17 17:43:14 alex * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet. * * Revision 1.59 2002/02/17 17:30:21 alex * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet. * - Neue Funktion IRC_WriteStrRelatedPrefix(). * * Revision 1.58 2002/02/17 17:18:59 alex * - NICK korrigiert. * * Revision 1.57 2002/02/13 23:05:29 alex * - Nach Connect eines Users werden LUSERS-Informationen angezeigt. * * Revision 1.56 2002/02/13 17:52:27 alex * - es werden nun Channel- und User-Modes von Usern angenommen. * * Revision 1.55 2002/02/12 14:40:37 alex * - via NJOIN gemeldete Benutzer wurden nicht in Channels bekannt gemacht. * * Revision 1.54 2002/02/11 23:33:35 alex * - weitere Anpassungen an Channel-Modes und Channel-User-Modes. * * Revision 1.53 2002/02/11 16:06:21 alex * - Die Quelle von MODE-Aenderungen wird nun korrekt weitergegeben. * * Revision 1.52 2002/02/11 15:52:21 alex * - PONG an den Server selber wurde faelschlicherweise versucht zu forwarden. * - Channel-Modes wurden falsch geliefert (als User-Modes). * * Revision 1.51 2002/02/11 15:15:53 alex * - PING und PONG werden nun auch korrekt an andere Server geforwarded. * - bei MODE-Meldungen wird der letzte Parameter nicht mehr mit ":" getrennt. * * Revision 1.50 2002/02/11 01:03:20 alex * - Aenderungen und Anpassungen an Channel-Modes und Channel-User-Modes: * Modes werden besser geforwarded, lokale User, fuer die ein Channel * angelegt wird, werden Channel-Operator, etc. pp. ... * - NJOIN's von Servern werden nun korrekt an andere Server weitergeleitet. * * Revision 1.49 2002/02/06 16:51:22 alex * - neue Funktion zur MODE-Behandlung, fuer Channel-Modes vorbereitet. * * Revision 1.48 2002/01/29 00:13:45 alex * - WHOIS zeigt nun auch die Channels an, in denen der jeweilige User Mitglied ist. * - zu jedem Server wird nun der "Top-Server" gespeichert, somit funktioniert * LINKS wieder korrekt. * * Revision 1.47 2002/01/28 13:05:48 alex * - nach einem JOIN wird die Liste der Mitglieder an den Client geschickt. * - MODE fuer Channels wird nun komplett ignoriert (keine Fehlermeldung mehr). * * Revision 1.46 2002/01/28 01:45:43 alex * - SERVER-Meldungen an neue Server sind nun in der richtigen Reihenfolge. * * Revision 1.45 2002/01/28 01:18:14 alex * - connectierenden Servern werden Channels nun mit NJOIN bekannt gemacht. * * Revision 1.44 2002/01/28 00:55:08 alex * - ein neu connectierender Server wird nun korrekt im Netz bekannt gemacht. * * Revision 1.43 2002/01/27 21:56:39 alex * - IRC_WriteStrServersPrefixID() und IRC_WriteStrClientPrefixID() wieder entfernt. * - einige kleinere Fixes bezueglich Channels ... * * Revision 1.42 2002/01/27 18:28:01 alex * - bei NICK wurde das falsche Prefix an andere Server weitergegeben. * * Revision 1.41 2002/01/27 17:15:49 alex * - anderungen an den Funktions-Prototypen von IRC_WriteStrChannel() und * IRC_WriteStrChannelPrefix(), * - neue: IRC_WriteStrClientPrefixID() und IRC_WriteStrServersPrefixID(). * * Revision 1.40 2002/01/26 18:43:11 alex * - neue Funktionen IRC_WriteStrChannelPrefix() und IRC_WriteStrChannel(), * die IRC_Write_xxx_Related() sind dafuer entfallen. * - IRC_PRIVMSG() kann nun auch mit Channels als Ziel umgehen. * * Revision 1.39 2002/01/21 00:05:11 alex * - neue Funktionen IRC_JOIN und IRC_PART begonnen, ebenso die Funktionen * IRC_WriteStrRelatedPrefix und IRC_WriteStrRelatedChannelPrefix(). * - diverse Aenderungen im Zusammenhang mit Channels. * * Revision 1.38 2002/01/18 15:31:32 alex * - die User-Modes bei einem NICK von einem Server wurden falsch uebernommen. * * Revision 1.37 2002/01/16 22:10:18 alex * - IRC_LUSERS() implementiert. * * Revision 1.36 2002/01/11 23:50:55 alex * - LINKS implementiert, LUSERS begonnen. * * Revision 1.35 2002/01/09 21:30:45 alex * - WHOIS wurde faelschlicherweise an User geforwarded statt vom Server beantwortet. * * Revision 1.34 2002/01/09 01:09:58 alex * - WHOIS wird im "Strict-RFC-Mode" nicht mehr automatisch geforwarded, * - andere Server werden nun ueber bisherige Server und User informiert. * * Revision 1.33 2002/01/07 23:42:12 alex * - Es werden fuer alle Server eigene Token generiert, * - QUIT von einem Server fuer einen User wird an andere Server geforwarded, * - ebenso NICK-Befehle, die "fremde" User einfuehren. * * Revision 1.32 2002/01/07 16:02:36 alex * - Loglevel von Remote-Mode-Aenderungen angepasst (nun Debug). * - Im Debug-Mode werden nun auch PING's protokolliert. * * Revision 1.31 2002/01/07 15:39:46 alex * - Server nimmt nun Server-Links an: PASS und SERVER entsprechend angepasst. * - MODE und NICK melden nun die Aenderungen an andere Server. * * Revision 1.30 2002/01/06 15:21:29 alex * - Loglevel und Meldungen nochmals ueberarbeitet. * - QUIT und SQUIT forwarden nun den Grund der Trennung, * - WHOIS wird nun immer an den "Original-Server" weitergeleitet. * * Revision 1.29 2002/01/05 23:24:54 alex * - WHOIS erweitert: Anfragen koennen an andere Server weitergeleitet werden. * - Vorbereitungen fuer Ident-Abfragen bei neuen Client-Strukturen. * * Revision 1.28 2002/01/05 20:08:02 alex * - Div. Aenderungen fuer die Server-Links (u.a. WHOIS, QUIT, NICK angepasst). * - Neue Funktionen IRC_WriteStrServer() und IRC_WriteStrServerPrefix(). * * Revision 1.27 2002/01/05 19:15:03 alex * - Fehlerpruefung bei select() in der "Hauptschleife" korrigiert. * * Revision 1.26 2002/01/05 16:51:18 alex * - das Passwort von Servern wird nun ueberprueft (PASS- und SERVER-Befehl). * * Revision 1.25 2002/01/05 00:48:33 alex * - bei SQUIT wurde immer die Verbindung getrennt, auch bei Remote-Servern. * * Revision 1.24 2002/01/04 17:58:44 alex * - IRC_WriteStrXXX()-Funktionen eingefuehrt, groessere Anpassungen daran. * - neuer Befehl SQUIT, QUIT an Server-Links angepasst. * * Revision 1.23 2002/01/04 01:36:40 alex * - Loglevel ein wenig angepasst. * * Revision 1.22 2002/01/04 01:21:47 alex * - Client-Strukruren werden nur noch ueber Funktionen angesprochen. * - Weitere Anpassungen und Erweiterungen der Server-Links. * * Revision 1.21 2002/01/03 02:26:51 alex * - neue Befehle SERVER und NJOIN begonnen, * - begonnen, diverse IRC-Befehle an Server-Links anzupassen. * * Revision 1.20 2002/01/02 12:46:41 alex * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden. * * Revision 1.19 2002/01/02 02:51:39 alex * - Copyright-Texte angepasst. * - neuer Befehl "ERROR". * * Revision 1.17 2001/12/31 15:33:13 alex * - neuer Befehl NAMES, kleinere Bugfixes. * - Bug bei PING behoben: war zu restriktiv implementiert :-) * * Revision 1.16 2001/12/31 02:18:51 alex * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART), * - neuen Header "defines.h" mit (fast) allen Konstanten. * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes. * * Revision 1.15 2001/12/30 19:26:11 alex * - Unterstuetzung fuer die Konfigurationsdatei eingebaut. * * Revision 1.14 2001/12/30 11:42:00 alex * - der Server meldet nun eine ordentliche "Start-Zeit". * * Revision 1.13 2001/12/29 03:10:06 alex * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen. * - neue configure-Optione "--enable-strict-rfc". * * Revision 1.12 2001/12/27 19:17:26 alex * - neue Befehle PRIVMSG, NOTICE, PING. * * Revision 1.11 2001/12/27 16:55:41 alex * - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient(). * * Revision 1.10 2001/12/26 22:48:53 alex * - MOTD-Datei ist nun konfigurierbar und wird gelesen. * * Revision 1.9 2001/12/26 14:45:37 alex * - "Code Cleanups". * * Revision 1.8 2001/12/26 03:21:46 alex * - PING/PONG-Befehle implementiert, * - Meldungen ueberarbeitet: enthalten nun (fast) immer den Nick. * * Revision 1.7 2001/12/25 23:25:18 alex * - und nochmal Aenderungen am Logging ;-) * * Revision 1.6 2001/12/25 23:13:33 alex * - Debug-Meldungen angepasst. * * Revision 1.5 2001/12/25 22:02:42 alex * - neuer IRC-Befehl "/QUIT". Verbessertes Logging & Debug-Ausgaben. * * Revision 1.4 2001/12/25 19:19:30 alex * - bessere Fehler-Abfragen, diverse Bugfixes. * - Nicks werden nur einmal vergeben :-) * - /MOTD wird unterstuetzt. * * Revision 1.3 2001/12/24 01:34:06 alex * - USER und NICK wird nun in beliebiger Reihenfolge akzeptiert (wg. BitchX) * - MOTD-Ausgabe begonnen zu implementieren. * * Revision 1.2 2001/12/23 21:57:16 alex * - erste IRC-Befehle zu implementieren begonnen. * * Revision 1.1 2001/12/14 08:13:43 alex * - neues Modul begonnen :-) */ #include #include "global.h" #include #include #include #include #include #include #include #include "ngircd.h" #include "channel.h" #include "client.h" #include "conf.h" #include "conn.h" #include "log.h" #include "messages.h" #include "parse.h" #include "tool.h" #include #include "irc.h" #define CONNECTED TRUE #define DISCONNECTED FALSE LOCAL BOOLEAN Hello_User( CLIENT *Client ); LOCAL BOOLEAN Show_MOTD( CLIENT *Client ); LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason ); LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan ); LOCAL BOOLEAN Send_LUSERS( CLIENT *Client ); CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ); GLOBAL VOID IRC_Init( VOID ) { } /* IRC_Init */ GLOBAL VOID IRC_Exit( VOID ) { } /* IRC_Exit */ GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... ) { CHAR buffer[1000]; BOOLEAN ok = CONNECTED; va_list ap; assert( Client != NULL ); assert( Format != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); /* an den Client selber */ ok = IRC_WriteStrClientPrefix( Client, Client_ThisServer( ), buffer ); return ok; } /* IRC_WriteStrClient */ GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... ) { /* Text an Clients, lokal bzw. remote, senden. */ CHAR buffer[1000]; va_list ap; assert( Client != NULL ); assert( Format != NULL ); assert( Prefix != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer ); } /* IRC_WriteStrClientPrefix */ GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... ) { CHAR buffer[1000]; va_list ap; assert( Client != NULL ); assert( Format != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); return IRC_WriteStrChannelPrefix( Client, Chan, Client_ThisServer( ), Remote, buffer ); } /* IRC_WriteStrChannel */ GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... ) { BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED; CHAR buffer[1000]; CL2CHAN *cl2chan; CLIENT *c; INT s, i; va_list ap; assert( Client != NULL ); assert( Chan != NULL ); assert( Prefix != NULL ); assert( Format != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE; /* An alle Clients, die in den selben Channels sind. * Dabei aber nur einmal je Remote-Server */ cl2chan = Channel_FirstMember( Chan ); while( cl2chan ) { c = Channel_GetClient( cl2chan ); if( ! Remote ) { if( Client_Conn( c ) <= NONE ) c = NULL; else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL; } if( c ) c = Client_NextHop( c ); if( c && ( c != Client )) { /* Ok, anderer Client */ s = Client_Conn( c ); assert( s >= 0 ); assert( s < MAX_CONNECTIONS ); sock[s] = TRUE; if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE; else is_server[s] = FALSE; } cl2chan = Channel_NextMember( Chan, cl2chan ); } /* Senden ... */ for( i = 0; i < MAX_CONNECTIONS; i++ ) { if( sock[i] ) { if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer ); else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer ); if( ! ok ) break; } } return ok; } /* IRC_WriteStrChannelPrefix */ GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... ) { CHAR buffer[1000]; va_list ap; assert( Format != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); /* an den Client selber */ return IRC_WriteStrServersPrefix( ExceptOf, Client_ThisServer( ), buffer ); } /* IRC_WriteStrServers */ GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... ) { CHAR buffer[1000]; CLIENT *c; va_list ap; assert( Format != NULL ); assert( Prefix != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); c = Client_First( ); while( c ) { if(( Client_Type( c ) == CLIENT_SERVER ) && ( Client_Conn( c ) > NONE ) && ( c != Client_ThisServer( )) && ( c != ExceptOf )) { /* Ziel-Server gefunden */ IRC_WriteStrClientPrefix( c, Prefix, buffer ); } c = Client_Next( c ); } } /* IRC_WriteStrServersPrefix */ GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... ) { BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED; CL2CHAN *chan_cl2chan, *cl2chan; CHAR buffer[1000]; CHANNEL *chan; va_list ap; CLIENT *c; INT i, s; assert( Client != NULL ); assert( Prefix != NULL ); assert( Format != NULL ); va_start( ap, Format ); vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); /* initialisieren */ for( i = 0; i < MAX_CONNECTIONS; i++ ) sock[i] = FALSE; /* An alle Clients, die in einem Channel mit dem "Ausloeser" sind, * den Text schicken. An Remote-Server aber jeweils nur einmal. */ chan_cl2chan = Channel_FirstChannelOf( Client ); while( chan_cl2chan ) { /* Channel des Users durchsuchen */ chan = Channel_GetChannel( chan_cl2chan ); cl2chan = Channel_FirstMember( chan ); while( cl2chan ) { c = Channel_GetClient( cl2chan ); if( ! Remote ) { if( Client_Conn( c ) <= NONE ) c = NULL; else if( Client_Type( c ) == CLIENT_SERVER ) c = NULL; } if( c ) c = Client_NextHop( c ); if( c && ( c != Client )) { /* Ok, anderer Client */ s = Client_Conn( c ); assert( s >= 0 ); assert( s < MAX_CONNECTIONS ); sock[s] = TRUE; if( Client_Type( c ) == CLIENT_SERVER ) is_server[s] = TRUE; else is_server[s] = FALSE; } cl2chan = Channel_NextMember( chan, cl2chan ); } /* naechsten Channel */ chan_cl2chan = Channel_NextChannelOf( Client, chan_cl2chan ); } /* Senden ... */ for( i = 0; i < MAX_CONNECTIONS; i++ ) { if( sock[i] ) { if( is_server[i] ) ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer ); else ok = Conn_WriteStr( i, ":%s %s", Client_Mask( Prefix ), buffer ); if( ! ok ) break; } } return ok; } /* IRC_WriteStrRelatedPrefix */ GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); /* Fehler liefern, wenn kein lokaler Client */ if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command ); if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1)) { /* noch nicht registrierte unbekannte Verbindung */ Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client )); /* Passwort speichern */ Client_SetPassword( Client, Req->argv[0] ); Client_SetType( Client, CLIENT_GOTPASS ); return CONNECTED; } else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 ))) { /* noch nicht registrierte Server-Verbindung */ Log( LOG_DEBUG, "Connection %d: got PASS command (new server link) ...", Client_Conn( Client )); /* Passwort speichern */ Client_SetPassword( Client, Req->argv[0] ); Client_SetType( Client, CLIENT_GOTPASSSERVER ); return CONNECTED; } else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) { /* Falsche Anzahl Parameter? */ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); } else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); } /* IRC_PASS */ GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req ) { CHAR str[LINE_LEN], *ptr; CLIENT *from, *c, *cl; CL2CHAN *cl2chan; INT max_hops, i; CHANNEL *chan; BOOLEAN ok; assert( Client != NULL ); assert( Req != NULL ); /* Fehler liefern, wenn kein lokaler Client */ if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command ); if( Client_Type( Client ) == CLIENT_GOTPASSSERVER ) { /* Verbindung soll als Server-Server-Verbindung registriert werden */ Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Ist dieser Server bei uns konfiguriert? */ for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break; if( i >= Conf_Server_Count ) { /* Server ist nicht konfiguriert! */ Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] ); Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE ); return DISCONNECTED; } if( strcmp( Client_Password( Client ), Conf_Server[i].pwd ) != 0 ) { /* Falsches Passwort */ Log( LOG_ERR, "Connection %d: Bad password for server \"%s\"!", Client_Conn( Client ), Req->argv[0] ); Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE ); return DISCONNECTED; } /* Ist ein Server mit dieser ID bereits registriert? */ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED; /* Server-Strukturen fuellen ;-) */ Client_SetID( Client, Req->argv[0] ); Client_SetHops( Client, 1 ); Client_SetInfo( Client, Req->argv[Req->argc - 1] ); /* Meldet sich der Server bei uns an? */ if( Req->argc == 2 ) { /* Unseren SERVER- und PASS-Befehl senden */ ok = TRUE; if( ! IRC_WriteStrClient( Client, "PASS %s "PASSSERVERADD, Conf_Server[i].pwd )) ok = FALSE; else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo ); if( ! ok ) { Conn_Close( Client_Conn( Client ), "Unexpected server behavior!", NULL, FALSE ); return DISCONNECTED; } Client_SetIntroducer( Client, Client ); Client_SetToken( Client, 1 ); } else Client_SetToken( Client, atoi( Req->argv[1] )); Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client )); Client_SetType( Client, CLIENT_SERVER ); /* maximalen Hop Count ermitteln */ max_hops = 0; c = Client_First( ); while( c ) { if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c ); c = Client_Next( c ); } /* Alle bisherigen Server dem neuen Server bekannt machen, * die bisherigen Server ueber den neuen informierenn */ for( i = 0; i < ( max_hops + 1 ); i++ ) { c = Client_First( ); while( c ) { if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i )) { if( Client_Conn( c ) > NONE ) { /* Dem gefundenen Server gleich den neuen * Server bekannt machen */ if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED; } /* Den neuen Server ueber den alten informieren */ 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; } c = Client_Next( c ); } } /* alle User dem neuen Server bekannt machen */ c = Client_First( ); while( c ) { if( Client_Type( c ) == CLIENT_USER ) { /* User an neuen Server melden */ 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; } c = Client_Next( c ); } /* Channels dem neuen Server bekannt machen */ chan = Channel_First( ); while( chan ) { sprintf( str, "NJOIN %s :", Channel_Name( chan )); /* alle Member suchen */ cl2chan = Channel_FirstMember( chan ); while( cl2chan ) { cl = Channel_GetClient( cl2chan ); assert( cl != NULL ); /* Nick, ggf. mit Modes, anhaengen */ if( str[strlen( str ) - 1] != ':' ) strcat( str, "," ); if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" ); if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" ); strcat( str, Client_ID( cl )); if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 )) { /* Zeile senden */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; sprintf( str, "NJOIN %s :", Channel_Name( chan )); } cl2chan = Channel_NextMember( chan, cl2chan ); } /* noch Daten da? */ if( str[strlen( str ) - 1] != ':') { /* Ja; Also senden ... */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; } /* naechsten Channel suchen */ chan = Channel_Next( chan ); } return CONNECTED; } else if( Client_Type( Client ) == CLIENT_SERVER ) { /* Neuer Server wird im Netz angekuendigt */ /* Falsche Anzahl Parameter? */ if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Ist ein Server mit dieser ID bereits registriert? */ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED; /* Ueberfluessige Hostnamen aus Info-Text entfernen */ ptr = strchr( Req->argv[3] + 2, '[' ); if( ! ptr ) ptr = Req->argv[3]; from = Client_GetFromID( Req->prefix ); if( ! from ) { /* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */ Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client )); Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE ); return DISCONNECTED; } /* Neue Client-Struktur anlegen */ c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE ); if( ! c ) { /* Neue Client-Struktur konnte nicht angelegt werden */ Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client )); Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE ); return DISCONNECTED; } /* Log-Meldung zusammenbauen und ausgeben */ if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from )); else strcpy( str, "" ); 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": "" ); /* Andere Server informieren */ IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c )); return CONNECTED; } else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); } /* IRC_SERVER */ GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req ) { CHAR *channame, *ptr, modes[8]; BOOLEAN is_op, is_voiced; CHANNEL *chan; CLIENT *c; assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); channame = Req->argv[0]; ptr = strtok( Req->argv[1], "," ); while( ptr ) { is_op = is_voiced = FALSE; /* Prefixe abschneiden */ while(( *ptr == '@' ) || ( *ptr == '+' )) { if( *ptr == '@' ) is_op = TRUE; if( *ptr == '+' ) is_voiced = TRUE; ptr++; } c = Client_GetFromID( ptr ); if( c ) { Channel_Join( c, channame ); chan = Channel_Search( channame ); assert( chan != NULL ); if( is_op ) Channel_UserModeAdd( chan, c, 'o' ); if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' ); /* im Channel bekannt machen */ IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame ); /* Channel-User-Modes setzen */ strcpy( modes, Channel_UserModes( chan, c )); if( modes[0] ) { /* Modes im Channel bekannt machen */ IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c )); } } else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame ); /* naechsten Nick suchen */ ptr = strtok( NULL, "," ); } /* an andere Server weiterleiten */ IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] ); return CONNECTED; } /* IRC_NJOIN */ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) { CLIENT *intr_c, *target, *c; CHAR *modes; assert( Client != NULL ); assert( Req != NULL ); /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */ #ifndef STRICT_RFC 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 )) #else 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 )) #endif { /* User-Registrierung bzw. Nick-Aenderung */ /* Falsche Anzahl Parameter? */ if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* "Ziel-Client" ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) { target = Client_GetFromID( Req->prefix ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); } else { /* Ist der Client "restricted"? */ if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client )); target = Client; } #ifndef STRICT_RFC /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen * wir nichts. So macht es das Original und mind. Snak hat probleme, * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */ if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED; #endif /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client * will nur die Gross- und Kleinschreibung aendern. Das darf * er natuerlich machen :-) */ if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 ) { if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED; } /* Nick-Aenderung: allen mitteilen! */ if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] ); IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] ); IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] ); if(( Client_Type( target ) != CLIENT_USER ) && ( Client_Type( target ) != CLIENT_SERVER )) { /* Neuer Client */ Log( LOG_DEBUG, "Connection %d: got valid NICK command ...", Client_Conn( Client )); /* Client-Nick registrieren */ Client_SetID( target, Req->argv[0] ); /* schon ein USER da? Dann registrieren! */ if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client ); else Client_SetType( Client, CLIENT_GOTNICK ); } else { /* Nick-Aenderung */ Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] ); /* neuen Client-Nick speichern */ Client_SetID( target, Req->argv[0] ); } return CONNECTED; } else if( Client_Type( Client ) == CLIENT_SERVER ) { /* Server fuehrt neuen Client ein */ /* Falsche Anzahl Parameter? */ if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Nick ueberpruefen */ c = Client_GetFromID( Req->argv[0] ); if( c ) { /* Der neue Nick ist auf diesem Server bereits registriert: * sowohl der neue, als auch der alte Client muessen nun * disconnectiert werden. */ Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] ); Kill_Nick( Req->argv[0], "Nick collision" ); return CONNECTED; } /* Server, zu dem der Client connectiert ist, suchen */ intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] )); if( ! intr_c ) { Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] ); Kill_Nick( Req->argv[0], "Unknown server" ); return CONNECTED; } /* Neue Client-Struktur anlegen */ 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 ); if( ! c ) { /* Eine neue Client-Struktur konnte nicht angelegt werden. * Der Client muss disconnectiert werden, damit der Netz- * status konsistent bleibt. */ Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client )); Kill_Nick( Req->argv[0], "Server error" ); return CONNECTED; } modes = Client_Modes( c ); 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": "" ); 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": "" ); /* Andere Server, ausser dem Introducer, informieren */ 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] ); return CONNECTED; } else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); } /* IRC_NICK */ GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); #ifndef STRICT_RFC if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_UNKNOWN ) #else if( Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTPASS ) #endif { /* Falsche Anzahl Parameter? */ if( Req->argc != 4 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); Client_SetUser( Client, Req->argv[0], FALSE ); Client_SetInfo( Client, Req->argv[3] ); Log( LOG_DEBUG, "Connection %d: got valid USER command ...", Client_Conn( Client )); if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client ); else Client_SetType( Client, CLIENT_GOTUSER ); return CONNECTED; } else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE ) { return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); } else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); } /* IRC_USER */ GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req ) { CLIENT *target; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE )) { /* User / Service */ /* Falsche Anzahl Parameter? */ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE ); else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE ); return DISCONNECTED; } else if ( Client_Type( Client ) == CLIENT_SERVER ) { /* Server */ /* Falsche Anzahl Parameter? */ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); target = Client_Search( Req->prefix ); if( ! target ) { Log( LOG_ERR, "Got QUIT from %s for unknown client!?", Client_ID( Client )); return CONNECTED; } if( Req->argc == 0 ) Client_Destroy( target, "Got QUIT command.", NULL ); else Client_Destroy( target, "Got QUIT command.", Req->argv[0] ); return CONNECTED; } else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); } /* IRC_QUIT */ GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req ) { CLIENT *target; CHAR msg[LINE_LEN + 64]; assert( Client != NULL ); assert( Req != NULL ); /* SQUIT ist nur fuer Server erlaubt */ if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); Log( LOG_DEBUG, "Got SQUIT from %s for \"%s\": \"%s\" ...", Client_ID( Client ), Req->argv[0], Req->argv[1] ); /* SQUIT an alle Server weiterleiten */ IRC_WriteStrServers( Client, "SQUIT %s :%s", Req->argv[0], Req->argv[1] ); target = Client_GetFromID( Req->argv[0] ); if( ! target ) { Log( LOG_ERR, "Got SQUIT from %s for unknown server \"%s\"!?", Client_ID( Client ), Req->argv[0] ); return CONNECTED; } if( Req->argv[1][0] ) { if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0'; sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client )); } else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client )); if( Client_Conn( target ) > NONE ) { /* dieser Server hat die Connection */ if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE ); else Conn_Close( Client_Conn( target ), msg, NULL, TRUE ); return DISCONNECTED; } else { /* Verbindung hielt anderer Server */ Client_Destroy( target, msg, Req->argv[1] ); return CONNECTED; } } /* IRC_SQUIT */ GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req ) { CLIENT *target, *from; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client )); if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if( Req->argc == 2 ) { /* es wurde ein Ziel-Client angegeben */ target = Client_GetFromID( Req->argv[1] ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] ); if( target != Client_ThisServer( )) { /* ok, forwarden */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] ); } } Log( LOG_DEBUG, "Connection %d: got PING, sending PONG ...", Client_Conn( Client )); return IRC_WriteStrClient( Client, "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client )); } /* IRC_PING */ GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ) { CLIENT *target, *from; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client )); if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* forwarden? */ if( Req->argc == 2 ) { target = Client_GetFromID( Req->argv[1] ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] ); if( target != Client_ThisServer( )) { /* ok, forwarden */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] ); } } /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket * aktualisiert, daher muss das hier nicht mehr gemacht werden. */ 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 ))); else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client )); return CONNECTED; } /* IRC_PONG */ GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); return Show_MOTD( Client ); } /* IRC_MOTD */ GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) { BOOLEAN is_member, has_voice, is_op, ok; CLIENT *cl, *from; CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command ); if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client )); if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); cl = Client_Search( Req->argv[0] ); if( cl ) { /* Okay, Ziel ist ein User */ if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' ))) { /* Ziel-User ist AWAY: Meldung verschicken */ if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED; } /* Text senden */ if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from )); return IRC_WriteStrClientPrefix( cl, from, "PRIVMSG %s :%s", Client_ID( cl ), Req->argv[1] ); } chan = Channel_Search( Req->argv[0] ); if( chan ) { /* Okay, Ziel ist ein Channel */ is_member = has_voice = is_op = FALSE; if( Channel_IsMemberOf( chan, from )) { is_member = TRUE; if( strchr( Channel_UserModes( chan, from ), 'v' )) has_voice = TRUE; if( strchr( Channel_UserModes( chan, from ), 'o' )) is_op = TRUE; } /* pruefen, ob Client in Channel schreiben darf */ ok = TRUE; if( strchr( Channel_Modes( chan ), 'n' ) && ( ! is_member )) ok = FALSE; if( strchr( Channel_Modes( chan ), 'm' ) && ( ! is_op ) && ( ! has_voice )) ok = FALSE; if( ! ok ) return IRC_WriteStrClient( from, ERR_CANNOTSENDTOCHAN_MSG, Client_ID( from ), Req->argv[0] ); /* Text senden */ if( Client_Conn( from ) > NONE ) Conn_UpdateIdle( Client_Conn( from )); return IRC_WriteStrChannelPrefix( Client, chan, from, TRUE, "PRIVMSG %s :%s", Req->argv[0], Req->argv[1] ); } return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); } /* IRC_PRIVMSG */ GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req ) { CLIENT *to, *from; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 2 ) return CONNECTED; if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); to = Client_Search( Req->argv[0] ); if( to ) { /* Okay, Ziel ist ein User */ return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] ); } else return CONNECTED; } /* IRC_NOTICE */ GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) { CHAR *mode_ptr, the_modes[CLIENT_MODE_LEN], x[2]; CLIENT *cl, *chan_cl, *prefix; BOOLEAN set, ok; CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); cl = chan_cl = prefix = NULL; chan = NULL; /* Valider Client? */ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Keine Parameter? */ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Ziel suchen: Client bzw. Channel */ if( Client_IsValidNick( Req->argv[0] )) cl = Client_Search( Req->argv[0] ); if( Channel_IsValidName( Req->argv[0] )) chan = Channel_Search( Req->argv[0] ); /* Kein Ziel gefunden? */ if(( ! cl ) && ( ! chan )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); assert(( cl && chan ) != TRUE ); /* Falsche Anzahl Parameter? */ if(( cl ) && ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if(( chan ) && ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Client ermitteln, wenn bei Channel-Modes mit 3 Parametern */ if(( chan ) && (Req->argc == 3 )) { chan_cl = Client_Search( Req->argv[2] ); if( ! chan_cl ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); } /* Wenn Anfragender ein User ist: Zugriff erlaubt? */ if( Client_Type( Client ) == CLIENT_USER ) { if( cl ) { /* MODE ist nur fuer sich selber zulaessig! */ if( cl != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client )); } if( chan ) { /* Darf der User die Channel-Modes ermitteln? */ } } /* Werden die Modes "nur" erfragt? */ if(( cl ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( cl )); if(( chan ) && ( Req->argc == 1 )) return IRC_WriteStrClient( Client, RPL_CHANNELMODEIS_MSG, Client_ID( Client ), Channel_Name( chan ), Channel_Modes( chan )); mode_ptr = Req->argv[1]; /* Sollen Modes gesetzt oder geloescht werden? */ if( cl ) { if( *mode_ptr == '+' ) set = TRUE; else if( *mode_ptr == '-' ) set = FALSE; else return IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); mode_ptr++; } else { if( *mode_ptr == '-' ) set = FALSE; else set = TRUE; if(( *mode_ptr == '-' ) || ( *mode_ptr == '+' )) mode_ptr++; } /* Prefix fuer Antworten etc. ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) { prefix = Client_GetFromID( Req->prefix ); if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); } else prefix = Client; /* Reply-String mit Aenderungen vorbereiten */ if( set ) strcpy( the_modes, "+" ); else strcpy( the_modes, "-" ); ok = TRUE; x[1] = '\0'; while( *mode_ptr ) { x[0] = '\0'; if( Client_Type( Client ) == CLIENT_SERVER ) { /* Befehl kommt von einem Server, daher * trauen wir ihm "unbesehen" ... */ x[0] = *mode_ptr; if(( cl ) && ( x[0] == 'a' )) { /* away */ if( set ) Client_SetAway( cl, "Away" ); else Client_SetAway( cl, NULL ); } } else { /* Modes validieren */ if( cl ) { /* User-Modes */ switch( *mode_ptr ) { case 'i': /* invisible */ x[0] = 'i'; break; case 'r': /* restricted (kann nur gesetzt werden) */ if( set ) x[0] = 'r'; else ok = IRC_WriteStrClient( Client, ERR_RESTRICTED_MSG, Client_ID( Client )); break; case 'o': /* operator (kann nur geloescht werden) */ if( ! set ) { Client_SetOperByMe( Client, FALSE ); x[0] = 'o'; } else ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); break; default: Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client )); ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } if( chan ) { /* Ist der User ein Channel Operator? */ if( ! strchr( Channel_UserModes( chan, Client ), 'o' )) { Log( LOG_DEBUG, "Can't change modes: \"%s\" is not operator on %s!", Client_ID( Client ), Channel_Name( chan )); ok = IRC_WriteStrClient( Client, ERR_CHANOPRIVSNEEDED_MSG, Client_ID( Client ), Channel_Name( chan )); break; } /* Channel-Modes oder Channel-User-Modes */ if( chan_cl ) { /* Channel-User-Modes */ switch( *mode_ptr ) { case 'o': /* Channel Operator */ x[0] = 'o'; break; case 'v': /* Voice */ x[0] = 'v'; break; default: 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 )); ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } else { /* Channel-Modes */ switch( *mode_ptr ) { case 'a': /* Anonymous */ x[0] = 'a'; break; case 'm': /* Moderated */ x[0] = 'm'; break; case 'n': /* kein Schreiben in den Channel von aussen */ x[0] = 'n'; break; case 'p': /* Private */ x[0] = 'p'; break; case 'q': /* Quiet */ x[0] = 'q'; break; case 's': /* Secret */ x[0] = 's'; break; case 't': /* Topic Lock */ x[0] = 't'; break; default: Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan )); ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } } } if( ! ok ) break; mode_ptr++; if( ! x[0] ) continue; /* Okay, gueltigen Mode gefunden */ if( cl ) { /* Es geht um User-Modes */ if( set ) { /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */ if( Client_ModeAdd( cl, x[0] )) strcat( the_modes, x ); } else { /* Modes geloescht. Wenn der Client ihn hatte: merken */ if( Client_ModeDel( cl, x[0] )) strcat( the_modes, x ); } } if( chan ) { /* Es geht um Channel-Modes oder Channel-User-Modes */ if( chan_cl ) { /* Channel-User-Modes */ if( set ) { /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ if( Channel_UserModeAdd( chan, chan_cl, x[0] )) strcat( the_modes, x ); } else { /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ if( Channel_UserModeDel( chan, chan_cl, x[0] )) strcat( the_modes, x ); } } else { /* Channel-Mode */ if( set ) { /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ if( Channel_ModeAdd( chan, x[0] )) strcat( the_modes, x ); } else { /* Mode setzen. Wenn der Channel ihn noch nicht hatte: merken */ if( Channel_ModeDel( chan, x[0] )) strcat( the_modes, x ); } } } } /* Wurden Modes geaendert? */ if( the_modes[1] ) { if( cl ) { /* Client-Mode */ if( Client_Type( Client ) == CLIENT_SERVER ) { /* Modes an andere Server forwarden */ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes ); } else { /* Bestaetigung an Client schicken & andere Server informieren */ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Client_ID( cl ), the_modes ); IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Client_ID( cl ), the_modes ); } Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( cl ), Client_Modes( cl )); } if( chan ) { /* Channel-Modes oder Channel-User-Mode */ if( chan_cl ) { /* Channel-User-Mode */ if( Client_Type( Client ) == CLIENT_SERVER ) { /* Modes an andere Server und Channel-User forwarden */ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); } else { /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); IRC_WriteStrServersPrefix( Client, prefix, "MODE %s %s :%s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s %s", Channel_Name( chan ), the_modes, Client_ID( chan_cl)); } Log( LOG_DEBUG, "User \"%s\" on %s: Mode change, now \"%s\".", Client_Mask( chan_cl), Channel_Name( chan ), Channel_UserModes( chan, chan_cl )); } else { /* Channel-Mode */ if( Client_Type( Client ) == CLIENT_SERVER ) { /* Modes an andere Server und Channel-User forwarden */ IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes ); IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes ); } else { /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */ ok = IRC_WriteStrClientPrefix( Client, prefix, "MODE %s %s", Channel_Name( chan ), the_modes ); IRC_WriteStrServersPrefix( Client, prefix, "MODE %s :%s", Channel_Name( chan ), the_modes ); IRC_WriteStrChannelPrefix( Client, chan, prefix, FALSE, "MODE %s %s", Channel_Name( chan ), the_modes ); } Log( LOG_DEBUG, "Channel \"%s\": Mode change, now \"%s\".", Channel_Name( chan ), Channel_Modes( chan )); } } } return ok; } /* IRC_MODE */ GLOBAL BOOLEAN IRC_AWAY( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if(( Req->argc == 1 ) && (Req->argv[0][0] )) { /* AWAY setzen */ Client_SetAway( Client, Req->argv[0] ); IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client )); return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client )); } else { /* AWAY loeschen */ Client_SetAway( Client, NULL ); IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client )); return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client )); } } /* IRC_AWAY */ GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req ) { INT i; assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Operator suchen */ for( i = 0; i < Conf_Oper_Count; i++) { if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break; } if( i >= Conf_Oper_Count ) { Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] ); return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client )); } /* Stimmt das Passwort? */ if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 ) { Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name ); return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client )); } if( ! Client_HasMode( Client, 'o' )) { /* noch kein o-Mode gesetzt */ Client_ModeAdd( Client, 'o' ); if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED; IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client )); } if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client )); Client_SetOperByMe( Client, TRUE ); return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client )); } /* IRC_OPER */ GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client )); Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client )); NGIRCd_Quit = TRUE; return CONNECTED; } /* IRC_DIE */ GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client )); Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client )); NGIRCd_Restart = TRUE; return CONNECTED; } /* IRC_RESTART */ GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req ) { CHAR rpl[COMMAND_LEN], *ptr; CLIENT *target, *from, *c; CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* From aus Prefix ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); if( Req->argc == 2 ) { /* an anderen Server forwarden */ target = Client_GetFromID( Req->argv[1] ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] ); if( target != Client_ThisServer( )) { /* Ok, anderer Server ist das Ziel: forwarden */ return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] ); } } if( Req->argc > 0 ) { /* bestimmte Channels durchgehen */ ptr = strtok( Req->argv[0], "," ); while( ptr ) { chan = Channel_Search( ptr ); if( chan ) { /* Namen ausgeben */ if( ! Send_NAMES( from, chan )) return DISCONNECTED; } if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED; /* naechsten Namen ermitteln */ ptr = strtok( NULL, "," ); } return CONNECTED; } /* alle Channels durchgehen */ chan = Channel_First( ); while( chan ) { /* Namen ausgeben */ if( ! Send_NAMES( from, chan )) return DISCONNECTED; /* naechster Channel */ chan = Channel_Next( chan ); } /* Nun noch alle Clients ausgeben, die in keinem Channel sind */ c = Client_First( ); sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" ); while( c ) { if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' ))) { /* Okay, das ist ein User: anhaengen */ if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " ); strcat( rpl, Client_ID( c )); if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 )) { /* Zeile wird zu lang: senden! */ if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED; sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" ); } } /* naechster Client */ c = Client_Next( c ); } if( rpl[strlen( rpl ) - 1] != ':') { /* es wurden User gefunden */ if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED; } return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" ); } /* IRC_NAMES */ GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) { CHAR rpl[COMMAND_LEN]; CLIENT *c; CHAR *ptr; INT i; assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); strcpy( rpl, RPL_ISON_MSG ); for( i = 0; i < Req->argc; i++ ) { ptr = strtok( Req->argv[i], " " ); while( ptr ) { ngt_TrimStr( ptr ); c = Client_GetFromID( ptr ); if( c && ( Client_Type( c ) == CLIENT_USER )) { /* Dieser Nick ist "online" */ strcat( rpl, ptr ); strcat( rpl, " " ); } ptr = strtok( NULL, " " ); } } if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) ); } /* IRC_ISON */ GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req ) { CLIENT *from, *target, *c; CHAR str[LINE_LEN + 1], *ptr = NULL; CL2CHAN *cl2chan; CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Client suchen */ c = Client_GetFromID( Req->argv[Req->argc - 1] ); if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[Req->argc - 1] ); /* Empfaenger des WHOIS suchen */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); /* Forwarden an anderen Server? */ if( Req->argc > 1 ) { /* angegebenen Ziel-Server suchen */ target = Client_GetFromID( Req->argv[1] ); if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] ); ptr = Req->argv[1]; } else target = Client_ThisServer( ); assert( target != NULL ); 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 ); /* Nick, User und Name */ if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED; /* Server */ 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; /* Channels */ sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c )); cl2chan = Channel_FirstChannelOf( c ); while( cl2chan ) { chan = Channel_GetChannel( cl2chan ); assert( chan != NULL ); /* Channel-Name anhaengen */ if( str[strlen( str ) - 1] != ':' ) strcat( str, " " ); if( strchr( Channel_UserModes( chan, c ), 'v' )) strcat( str, "+" ); if( strchr( Channel_UserModes( chan, c ), 'o' )) strcat( str, "@" ); strcat( str, Channel_Name( chan )); if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 )) { /* Zeile wird zu lang: senden! */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c )); } /* naechstes Mitglied suchen */ cl2chan = Channel_NextChannelOf( c, cl2chan ); } if( str[strlen( str ) - 1] != ':') { /* Es sind noch Daten da, die gesendet werden muessen */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; } /* IRC-Operator? */ if( Client_HasMode( c, 'o' )) { if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED; } /* Idle (nur lokale Clients) */ if( Client_Conn( c ) > NONE ) { if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED; } /* Away? */ if( Client_HasMode( c, 'a' )) { if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED; } /* End of Whois */ return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c )); } /* IRC_WHOIS */ GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) { CHAR rpl[COMMAND_LEN]; CLIENT *c; INT max, i; assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); if( Req->argc > 5 ) max = 5; else max = Req->argc; strcpy( rpl, RPL_USERHOST_MSG ); for( i = 0; i < max; i++ ) { c = Client_GetFromID( Req->argv[i] ); if( c && ( Client_Type( c ) == CLIENT_USER )) { /* Dieser Nick ist "online" */ strcat( rpl, Client_ID( c )); if( Client_HasMode( c, 'o' )) strcat( rpl, "*" ); strcat( rpl, "=" ); if( Client_HasMode( c, 'a' )) strcat( rpl, "-" ); else strcat( rpl, "+" ); strcat( rpl, Client_User( c )); strcat( rpl, "@" ); strcat( rpl, Client_Hostname( c )); strcat( rpl, " " ); } } if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) ); } /* IRC_USERHOST */ GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client )); else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] ); return CONNECTED; } /* IRC_ERROR */ GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req ) { CLIENT *target, *from; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Absender ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); /* An anderen Server forwarden? */ if( Req->argc == 2 ) { target = Client_GetFromID( Req->argv[1] ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] ); else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] ); } /* Wer ist der Absender? */ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix ); else target = Client; if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); Send_LUSERS( target ); return CONNECTED; } /* IRC_LUSERS */ GLOBAL BOOLEAN IRC_LINKS( CLIENT *Client, REQUEST *Req ) { CLIENT *target, *from, *c; CHAR *mask; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Server-Mask ermitteln */ if( Req->argc > 0 ) mask = Req->argv[Req->argc - 1]; else mask = "*"; /* Absender ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix ); else from = Client; if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); /* An anderen Server forwarden? */ if( Req->argc == 2 ) { target = Client_GetFromID( Req->argv[0] ); if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] ); else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LINKS %s %s", Req->argv[0], Req->argv[1] ); } /* Wer ist der Absender? */ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix ); else target = Client; if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); c = Client_First( ); while( c ) { if( Client_Type( c ) == CLIENT_SERVER ) { 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; } c = Client_Next( c ); } return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask ); } /* IRC_LINKS */ GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req ) { CHAR *channame, *flags, modes[8]; BOOLEAN is_new_chan; CLIENT *target; CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Wer ist der Absender? */ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix ); else target = Client; if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); /* Channel-Namen durchgehen */ channame = strtok( Req->argv[0], "," ); while( channame ) { /* wird der Channel neu angelegt? */ flags = NULL; if( Channel_Search( channame )) is_new_chan = FALSE; else is_new_chan = TRUE; /* Hat ein Server Channel-User-Modes uebergeben? */ if( Client_Type( Client ) == CLIENT_SERVER ) { /* Channel-Flags extrahieren */ flags = strchr( channame, 0x7 ); if( flags ) *flags++ = '\0'; } /* neuer Channel udn lokaler Client? */ if( is_new_chan && ( Client_Type( Client ) == CLIENT_USER )) { /* Dann soll der Client Channel-Operator werden! */ flags = "o"; } /* Channel joinen (und ggf. anlegen) */ if( ! Channel_Join( target, channame )) { /* naechsten Namen ermitteln */ channame = strtok( NULL, "," ); continue; } chan = Channel_Search( channame ); assert( chan != NULL ); /* Modes setzen (wenn vorhanden) */ while( flags && *flags ) { Channel_UserModeAdd( chan, target, *flags ); flags++; } /* Muessen Modes an andere Server gemeldet werden? */ strcpy( &modes[1], Channel_UserModes( chan, target )); if( modes[1] ) modes[0] = 0x7; else modes[0] = '\0'; /* An andere Server weiterleiten */ IRC_WriteStrServersPrefix( Client, target, "JOIN :%s%s", channame, modes ); /* im Channel bekannt machen */ IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "JOIN :%s", channame ); if( modes[1] ) { /* Modes im Channel bekannt machen */ IRC_WriteStrChannelPrefix( Client, chan, target, FALSE, "MODE %s %s :%s", channame, modes, Client_ID( target )); } if( Client_Type( Client ) == CLIENT_USER ) { /* an Client bestaetigen */ IRC_WriteStrClientPrefix( Client, target, "JOIN :%s", channame ); /* Topic an Client schicken */ IRC_WriteStrClient( Client, RPL_TOPIC_MSG, Client_ID( Client ), channame, "What a wonderful channel!" ); /* Mitglieder an Client Melden */ Send_NAMES( Client, chan ); IRC_WriteStrClient( Client, RPL_ENDOFNAMES_MSG, Client_ID( Client ), Channel_Name( chan )); } /* naechsten Namen ermitteln */ channame = strtok( NULL, "," ); } return CONNECTED; } /* IRC_JOIN */ GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req ) { CLIENT *target; CHAR *chan; assert( Client != NULL ); assert( Req != NULL ); if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Wer ist der Absender? */ if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_GetFromID( Req->prefix ); else target = Client; if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); /* Channel-Namen durchgehen */ chan = strtok( Req->argv[0], "," ); while( chan ) { if( ! Channel_Part( target, Client, chan, Req->argc > 1 ? Req->argv[1] : Client_ID( target ))) { /* naechsten Namen ermitteln */ chan = strtok( NULL, "," ); continue; } /* naechsten Namen ermitteln */ chan = strtok( NULL, "," ); } return CONNECTED; } /* IRC_PART */ GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req ) { CLIENT *target, *prefix; assert( Client != NULL ); assert( Req != NULL ); /* Falsche Anzahl Parameter? */ if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); /* Ziel suchen */ if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] ); else target = Client_ThisServer( ); /* Prefix ermitteln */ if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix ); else prefix = Client; if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); /* An anderen Server weiterleiten? */ if( target != Client_ThisServer( )) { if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] ); /* forwarden */ IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] ); return CONNECTED; } /* mit Versionsinfo antworten */ return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( )); } /* IRC_VERSION */ GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req ) { CLIENT *prefix, *c; assert( Client != NULL ); assert( Req != NULL ); if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); prefix = Client_GetFromID( Req->prefix ); if( ! prefix ) { Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix ); prefix = Client_ThisServer( ); } Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] ); /* andere Server benachrichtigen */ IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] ); /* haben wir selber einen solchen Client? */ c = Client_GetFromID( Req->argv[0] ); if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE ); return CONNECTED; } /* IRC_KILL */ LOCAL BOOLEAN Hello_User( CLIENT *Client ) { assert( Client != NULL ); /* Passwort ueberpruefen */ if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 ) { /* Falsches Passwort */ Log( LOG_ERR, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client )); Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE ); return DISCONNECTED; } Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client )); /* Andere Server informieren */ 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 )); if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE; if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE; if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE; if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE; Client_SetType( Client, CLIENT_USER ); if( ! Send_LUSERS( Client )) return DISCONNECTED; if( ! Show_MOTD( Client )) return DISCONNECTED; return CONNECTED; } /* Hello_User */ LOCAL BOOLEAN Show_MOTD( CLIENT *Client ) { BOOLEAN ok; CHAR line[127]; FILE *fd; assert( Client != NULL ); fd = fopen( Conf_MotdFile, "r" ); if( ! fd ) { Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno )); return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) ); } IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( ))); while( TRUE ) { if( ! fgets( line, 126, fd )) break; if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0'; if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line )) { fclose( fd ); return FALSE; } } ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) ); fclose( fd ); return ok; } /* Show_MOTD */ LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason ) { CLIENT *c; assert( Nick != NULL ); assert( Reason != NULL ); Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason ); /* andere Server benachrichtigen */ IRC_WriteStrServers( NULL, "KILL %s :%s", Nick, Reason ); /* Ggf. einen eigenen Client toeten */ c = Client_GetFromID( Nick ); if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE ); } /* Kill_Nick */ LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan ) { BOOLEAN is_visible, is_member; CHAR str[LINE_LEN + 1]; CL2CHAN *cl2chan; CLIENT *cl; assert( Client != NULL ); assert( Chan != NULL ); if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE; else is_member = FALSE; /* Alle Mitglieder suchen */ sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan )); cl2chan = Channel_FirstMember( Chan ); while( cl2chan ) { cl = Channel_GetClient( cl2chan ); if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE; else is_visible = TRUE; if( is_member || is_visible ) { /* Nick anhaengen */ if( str[strlen( str ) - 1] != ':' ) strcat( str, " " ); if( strchr( Channel_UserModes( Chan, cl ), 'v' )) strcat( str, "+" ); if( strchr( Channel_UserModes( Chan, cl ), 'o' )) strcat( str, "@" ); strcat( str, Client_ID( cl )); if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 )) { /* Zeile wird zu lang: senden! */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; sprintf( str, RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan )); } } /* naechstes Mitglied suchen */ cl2chan = Channel_NextMember( Chan, cl2chan ); } if( str[strlen( str ) - 1] != ':') { /* Es sind noch Daten da, die gesendet werden muessen */ if( ! IRC_WriteStrClient( Client, str )) return DISCONNECTED; } return CONNECTED; } /* Send_NAMES */ LOCAL BOOLEAN Send_LUSERS( CLIENT *Client ) { INT cnt; assert( Client != NULL ); /* Users, Services und Serevr im Netz */ if( ! IRC_WriteStrClient( Client, RPL_LUSERCLIENT_MSG, Client_ID( Client ), Client_UserCount( ), Client_ServiceCount( ), Client_ServerCount( ))) return DISCONNECTED; /* IRC-Operatoren im Netz */ cnt = Client_OperCount( ); if( cnt > 0 ) { if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED; } /* Unbekannt Verbindungen */ cnt = Client_UnknownCount( ); if( cnt > 0 ) { if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED; } /* Channels im Netz */ if( ! IRC_WriteStrClient( Client, RPL_LUSERCHANNELS_MSG, Client_ID( Client ), Channel_Count( ))) return DISCONNECTED; /* Channels im Netz */ if( ! IRC_WriteStrClient( Client, RPL_LUSERME_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyServiceCount( ), Client_MyServerCount( ))) return DISCONNECTED; return CONNECTED; } /* Send_LUSERS */ CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ) { assert( Target != NULL ); assert( Client != NULL ); if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client ); else return Client_Mask( Client ); } /* Get_Prefix */ /* -eof- */