X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc.c;h=dfa0e94d35822b89fe830ec5a07cafb868f2b81a;hp=bb781709087aa57ac1d636b2c67544769ba6a999;hb=b99af4fa47ed531c4410018db54734604fd286ab;hpb=3c01ac4e33c8abc1e6808eaa3f7d020bbaa3ec17 diff --git a/src/ngircd/irc.c b/src/ngircd/irc.c index bb781709..dfa0e94d 100644 --- a/src/ngircd/irc.c +++ b/src/ngircd/irc.c @@ -9,2003 +9,33 @@ * 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 $ + * $Id: irc.c,v 1.105 2002/12/06 17:02:39 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 )); +#include "portab.h" - /* Falsche Anzahl Parameter? */ - if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); +#include "imp.h" +#include +#include - 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'; +#include "conn.h" +#include "client.h" +#include "channel.h" +#include "defines.h" +#include "irc-write.h" +#include "log.h" +#include "messages.h" +#include "parse.h" - return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) ); -} /* IRC_USERHOST */ +#include "exp.h" +#include "irc.h" -GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ERROR( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); @@ -2017,468 +47,120 @@ GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) } /* IRC_ERROR */ -GLOBAL BOOLEAN IRC_LUSERS( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_KILL( 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 */ - + CLIENT *prefix, *c; + CHAR reason[COMMAND_LEN]; -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 )); + /* is the user an IRC operator? */ + if(( Client_Type( Client ) != CLIENT_SERVER ) && ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_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] ); - } + 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 ); - - c = Client_First( ); - while( c ) + if( Req->prefix ) prefix = Client_Search( Req->prefix ); + else prefix = Client; + if( ! prefix ) { - 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 ); + Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix ); + prefix = Client_ThisServer( ); } - - return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask ); -} /* IRC_LINKS */ + Log( LOG_NOTICE|LOG_snotice, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] ); -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 )); + /* build reason string */ + if( Client_Type( Client ) == CLIENT_USER ) sprintf( reason, "KILLed by %s: %s", Client_ID( Client ), Req->argv[1] ); + else strcpy( reason, Req->argv[1] ); - /* Falsche Anzahl Parameter? */ - if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + /* andere Server benachrichtigen */ + IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], reason ); - /* 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 ) + /* haben wir selber einen solchen Client? */ + c = Client_Search( Req->argv[0] ); + if( c ) { - /* 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, "," ); + /* Ja, wir haben einen solchen Client */ + if( Client_Conn( c ) != NONE ) Conn_Close( Client_Conn( c ), NULL, reason, TRUE ); + else Client_Destroy( c, NULL, reason, TRUE ); } + else Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] ); + return CONNECTED; -} /* IRC_JOIN */ +} /* IRC_KILL */ -GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_NOTICE( CLIENT *Client, REQUEST *Req ) { - CLIENT *target; - CHAR *chan; + 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 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 ); + if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return CONNECTED; /* Falsche Anzahl Parameter? */ - if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + if( Req->argc != 2 ) return CONNECTED; - /* Ziel suchen */ - if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] ); - else target = Client_ThisServer( ); + if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix ); + else from = Client; + if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); - /* 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( )) + to = Client_Search( Req->argv[0] ); + if(( to ) && ( Client_Type( to ) == CLIENT_USER )) { - 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; + /* Okay, Ziel ist ein User */ + return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] ); } - - /* mit Versionsinfo antworten */ - return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( )); -} /* IRC_VERSION */ + else return CONNECTED; +} /* IRC_NOTICE */ -GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) { - CLIENT *prefix, *c; + CLIENT *cl, *from; + CHANNEL *chan; 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 */ - + 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 ); -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( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix ); + else from = Client; + if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); - 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 = Client_Search( Req->argv[0] ); + if( cl ) { - cl = Channel_GetClient( cl2chan ); - - if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE; - else is_visible = TRUE; + /* Okay, Ziel ist ein Client. Aber ist es auch ein User? */ + if( Client_Type( cl ) != CLIENT_USER ) return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); - if( is_member || is_visible ) + /* Okay, Ziel ist ein User */ + if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' ))) { - /* 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 )); - } + /* Ziel-User ist AWAY: Meldung verschicken */ + if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED; } - /* 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; + /* 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] ); } - /* 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 ); + chan = Channel_Search( Req->argv[0] ); + if( chan ) return Channel_Write( chan, from, Client, Req->argv[1] ); - if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client ); - else return Client_Mask( Client ); -} /* Get_Prefix */ + return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); +} /* IRC_PRIVMSG */ /* -eof- */