X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc.c;h=ef42e857a0a0f86a27b992b5a829eb3dd8f5abef;hp=41dd8544f6b8c25f32d1238dbf7f8bc3e86f03d1;hb=74b120578337b6852d03a62b9913923a2cabe709;hpb=bf1c59c61cdbd4c8f98e0e68241b47f6e817e1d6 diff --git a/src/ngircd/irc.c b/src/ngircd/irc.c index 41dd8544..ef42e857 100644 --- a/src/ngircd/irc.c +++ b/src/ngircd/irc.c @@ -9,762 +9,220 @@ * 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 1.22 2002/01/04 01:21:47 alex Exp $ + * $Id: irc.c,v 1.91 2002/05/30 16:52:21 alex Exp $ * * irc.c: IRC-Befehle - * - * $Log: irc.c,v $ - * 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 "portab.h" -#include +#include "imp.h" #include #include -#include #include #include #include #include "ngircd.h" +#include "conn.h" #include "client.h" +#include "channel.h" +#include "resolve.h" #include "conf.h" #include "conn.h" +#include "irc-write.h" #include "log.h" #include "messages.h" #include "parse.h" #include "tool.h" -#include +#include "exp.h" #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 ); - - -GLOBAL VOID IRC_Init( VOID ) -{ -} /* IRC_Init */ - - -GLOBAL VOID IRC_Exit( VOID ) -{ -} /* IRC_Exit */ - - -GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... ) -{ - /* Text an Clients, lokal bzw. remote, senden. */ - - CHAR buffer[1000]; - BOOLEAN ok = CONNECTED; - CONN_ID send_to; - va_list ap; - - assert( Client != NULL ); - assert( Format != NULL ); - - va_start( ap, Format ); - vsnprintf( buffer, 1000, Format, ap ); - va_end( ap ); - - if( Client_Conn( Client ) != NONE ) send_to = Client_Conn( Client ); - else send_to = Client_Conn( Client_Introducer( Client )); - - if( Prefix ) ok = Conn_WriteStr( Client_Conn( Client ), ":%s %s", Client_Mask( Prefix ), buffer ); - else ok = Conn_WriteStr( Client_Conn( Client ), buffer ); - - return ok; -} /* IRC_WriteStrClient */ - - -GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... ) -{ - CHAR buffer[1000]; - BOOLEAN ok = CONNECTED; - va_list ap; - - assert( Client != NULL ); - assert( Format != NULL ); - - va_start( ap, Format ); - vsnprintf( buffer, 1000, Format, ap ); - va_end( ap ); - - /* an den Client selber */ - ok = IRC_WriteStrClient( Client, Client, buffer ); - - return ok; -} /* IRC_WriteStrRelated */ - - -GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_MOTD( 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, Client_ThisServer( ), 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] ); + if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - 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] ); + /* Falsche Anzahl Parameter? */ + if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - 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, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - } - else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); -} /* IRC_PASS */ + return IRC_Show_MOTD( Client ); +} /* IRC_MOTD */ -GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) { - CHAR str[LINE_LEN], *ptr; - CLIENT *c; + CLIENT *cl, *from; + CHANNEL *chan; assert( Client != NULL ); assert( Req != NULL ); - /* Fehler liefern, wenn kein lokaler Client */ - if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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 != 3 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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; - - /* Server-Strukturen fuellen ;-) */ - Client_SetID( Client, Req->argv[0] ); - Client_SetToken( Client, atoi( Req->argv[1] )); - Client_SetInfo( Client, Req->argv[2] ); - Client_SetHops( Client, 1 ); - - Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop).", Client_ID( Client ), Client_Conn( Client )); - - Client_SetType( Client, CLIENT_SERVER ); - 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, Client_ThisServer( ), 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]; - - /* Neue Client-Struktur anlegen */ - c = Client_NewRemoteServer( Client, Req->argv[0], atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr ); - if( ! c ) - { - /* Neue Client-Struktur konnte nicht angelegt werden */ - Log( LOG_ALERT, "Can't allocate client structure for server! (on connection %d)", Client_Conn( Client )); - Conn_Close( Client_Conn( Client ), "Can't allocate client structure for remote server!" ); - return DISCONNECTED; - } - - /* Log-Meldung zusammenbauen und ausgeben */ - if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Req->prefix ); - 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": "" ); - - return CONNECTED; - } - else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); -} /* IRC_SERVER */ - - -GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client )); - - return CONNECTED; -} /* IRC_NJOIN */ - - -GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) -{ - CLIENT *intr_c, *c; - - 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 ) -#else - if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER ) -#endif - { - /* User-Registrierung bzw. Nick-Aenderung */ - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - /* Ist der Client "restricted"? */ - if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_RESTRICTED_MSG, Client_ID( Client )); + if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen - * wir nichts. So macht es das Original und mind. Snak hat probleme, - * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */ -#ifndef STRICT_RFC - if( strcmp( Client_ID( Client ), 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( Client ), Req->argv[0] ) != 0 ) - { - if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED; - } + /* 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_USER ) - { - /* Nick-Aenderung: allen mitteilen! */ - Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( Client ), Client_ID( Client ), Req->argv[0] ); - IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] ); - } - - /* Client-Nick registrieren */ - Client_SetID( Client, Req->argv[0] ); + 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( Client_Type( Client ) != CLIENT_USER ) - { - /* Neuer Client */ - Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client )); - if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client ); - else Client_SetType( Client, CLIENT_GOTNICK ); - } - return CONNECTED; - } - else if( Client_Type( Client ) == CLIENT_SERVER ) + cl = Client_Search( Req->argv[0] ); + if( cl ) { - /* Server fuehrt neuen Client ein */ - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 7 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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_ALERT, "Server %s introduces already registered nick %s!", Client_ID( Client ), Req->argv[0] ); - Kill_Nick( Req->argv[0] ); - return CONNECTED; - } - - /* Server, zu dem der Client connectiert ist, suchen */ - intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] )); - if( ! intr_c ) - { - Log( LOG_ALERT, "Server %s introduces nick %s with unknown host server!?", Client_ID( Client ), Req->argv[0] ); - Kill_Nick( Req->argv[0] ); - 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], Req->argv[6] ); - if( ! c ) + /* Okay, Ziel ist ein User */ + if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' ))) { - /* Eine neue Client-Struktur konnte nicht angelegt werden. - * Der Client muss disconnectiert werden, damit der Netz- - * status konsistent bleibt. */ - Log( LOG_ALERT, "Can't allocate client structure! (on connection %d)", Client_Conn( Client )); - Kill_Nick( Req->argv[0] ); - return CONNECTED; + /* Ziel-User ist AWAY: Meldung verschicken */ + if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED; } - Log( LOG_NOTICE, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_ID( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" ); - - return CONNECTED; + /* 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] ); } - else return IRC_WriteStrClient( Client, Client_ThisServer( ), 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, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - Client_SetUser( Client, Req->argv[0] ); - Client_SetInfo( Client, Req->argv[3] ); - - Log( LOG_DEBUG, "Connection %d: got 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, Client_ThisServer( ), ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); - } - else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); -} /* IRC_USER */ + chan = Channel_Search( Req->argv[0] ); + if( chan ) return Channel_Write( chan, from, Client, Req->argv[1] ); - -GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client_Type( Client ) != CLIENT_SERVER && Client_Type( Client ) != CLIENT_SERVICE ) - { - /* Falsche Anzahl Parameter? */ - if( Req->argc > 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - Conn_Close( Client_Conn( Client ), "Client wants to quit." ); - return DISCONNECTED; - } - else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); -} /* IRC_QUIT */ - - -GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc < 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOORIGIN_MSG, Client_ID( Client )); - if( Req->argc > 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - return IRC_WriteStrClient( Client, Client_ThisServer( ), "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client )); -} /* IRC_PING */ - - -GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc < 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOORIGIN_MSG, Client_ID( Client )); - if( Req->argc > 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - /* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket - * aktualisiert, daher muss das hier nicht mehr gemacht werden. */ - - 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, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - return Show_MOTD( Client ); -} /* IRC_MOTD */ - - -GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) -{ - CLIENT *to; - - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc == 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command ); - if( Req->argc == 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTEXTTOSEND_MSG, Client_ID( Client )); - if( Req->argc > 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - to = Client_Search( Req->argv[0] ); - if( to ) - { - /* Okay, Ziel ist ein User */ - if( Client_Conn( Client ) >= 0 ) Conn_UpdateIdle( Client_Conn( Client )); - return IRC_WriteStrClient( to, Client, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] ); - } - - return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); + return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); } /* IRC_PRIVMSG */ -GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_NOTICE( CLIENT *Client, REQUEST *Req ) { - CLIENT *to; + CLIENT *to, *from; assert( Client != NULL ); assert( Req != NULL ); - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); + 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_Search( 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_WriteStrClient( to, Client, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] ); + return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] ); } - - return CONNECTED; + else return CONNECTED; } /* IRC_NOTICE */ -GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_NAMES( CLIENT *Client, REQUEST *Req ) { - CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr; - BOOLEAN set, ok; - CLIENT *c; + 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, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); + 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 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - /* "Ziel-Client" suchen */ - c = Client_Search( Req->argv[0] ); + if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* Wer ist der Anfragende? */ - if( Client_Type( Client ) == CLIENT_USER ) - { - /* User: MODE ist nur fuer sich selber zulaessig */ - if( c != Client ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_USERSDONTMATCH_MSG, Client_ID( Client )); - } - else + /* From aus Prefix ermitteln */ + if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix ); + else from = Client; + if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); + + if( Req->argc == 2 ) { - /* Server: gibt es den Client ueberhaupt? */ - if( ! c ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); - } - - /* Werden die Modes erfragt? */ - if( Req->argc == 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client )); - - ptr = Req->argv[1]; - - /* Sollen Modes gesetzt oder geloescht werden? */ - if( *ptr == '+' ) set = TRUE; - else if( *ptr == '-' ) set = FALSE; - else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); + /* an anderen Server forwarden */ + target = Client_Search( Req->argv[1] ); + if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] ); - /* Reply-String mit Aenderungen vorbereiten */ - if( set ) strcpy( new_modes, "+" ); - else strcpy( new_modes, "-" ); - - ptr++; - ok = TRUE; - x[1] = '\0'; - while( *ptr ) - { - x[0] = '\0'; - switch( *ptr ) + if( target != Client_ThisServer( )) { - case 'i': - /* invisible */ - x[0] = 'i'; - break; - case 'r': - /* restricted (kann nur gesetzt werden) */ - if( set ) x[0] = 'r'; - else ok = IRC_WriteStrClient( Client, Client_ThisServer( ), 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, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); - break; - default: - ok = IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); - x[0] = '\0'; + /* Ok, anderer Server ist das Ziel: forwarden */ + return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] ); } - if( ! ok ) break; - - ptr++; - if( ! x[0] ) continue; + } - /* Okay, gueltigen Mode gefunden */ - if( set ) - { - /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */ - if( Client_ModeAdd( Client, x[0] )) strcat( new_modes, x ); - } - else + if( Req->argc > 0 ) + { + /* bestimmte Channels durchgehen */ + ptr = strtok( Req->argv[0], "," ); + while( ptr ) { - /* Modes geloescht. Wenn der Client ihn hatte: merken */ - if( Client_ModeDel( Client, x[0] )) strcat( new_modes, x ); + chan = Channel_Search( ptr ); + if( chan ) + { + /* Namen ausgeben */ + if( ! IRC_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; } - /* Geanderte Modes? */ - if( new_modes[1] && ok ) + /* alle Channels durchgehen */ + chan = Channel_First( ); + while( chan ) { - ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client_ID( Client ), new_modes ); - Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Client ), Client_Modes( Client )); - } - return ok; -} /* IRC_MODE */ - + /* Namen ausgeben */ + if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED; -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, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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; + /* naechster Channel */ + chan = Channel_Next( chan ); } - if( i >= Conf_Oper_Count ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_PASSWDMISMATCH_MSG, Client_ID( Client )); - - /* Stimmt der Name und das Passwort? */ - if(( strcmp( Conf_Oper[i].name, Req->argv[0] ) != 0 ) || ( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_PASSWDMISMATCH_MSG, Client_ID( Client )); - - if( ! Client_HasMode( Client, 'o' )) - { - /* noch kein o-Mode gesetzt */ - Client_ModeAdd( Client, 'o' ); - if( ! IRC_WriteStrRelated( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED; - } - - if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "User \"%s\" is now an IRC Operator.", Client_Mask( Client )); - - Client_SetOperByMe( Client, TRUE ); - return IRC_WriteStrClient( Client, Client_ThisServer( ), 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, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, Client_ThisServer( ), 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]; - CLIENT *c; - - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - - /* Noch alle User ausgeben, die in keinem Channel sind */ - rpl[0] = '\0'; + /* 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 ) + if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' ))) { - /* Okay, das ist ein User */ + /* Okay, das ist ein User: anhaengen */ + if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " ); strcat( rpl, Client_ID( c )); - strcat( rpl, " " ); - } - /* Antwort zu lang? Splitten. */ - if( strlen( rpl ) > 480 ) - { - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED; - rpl[0] = '\0'; + 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[0] ) + if( rpl[strlen( rpl ) - 1] != ':') { /* es wurden User gefunden */ - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED; + if( ! IRC_WriteStrClient( from, rpl )) return DISCONNECTED; } - return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" ); + + return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" ); } /* IRC_NAMES */ -GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ISON( CLIENT *Client, REQUEST *Req ) { CHAR rpl[COMMAND_LEN]; CLIENT *c; @@ -774,10 +232,10 @@ GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); + 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, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + 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++ ) @@ -786,7 +244,7 @@ GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) while( ptr ) { ngt_TrimStr( ptr ); - c = Client_GetFromID( ptr ); + c = Client_Search( ptr ); if( c && ( Client_Type( c ) == CLIENT_USER )) { /* Dieser Nick ist "online" */ @@ -798,50 +256,188 @@ GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) } if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - return IRC_WriteStrClient( Client, Client_ThisServer( ), rpl, Client_ID( Client ) ); + return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) ); } /* IRC_ISON */ -GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_WHOIS( CLIENT *Client, REQUEST *Req ) { - CLIENT *c; + 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 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); + 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, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + 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[0] ); - if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] ); + c = Client_Search( 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_Search( 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_Search( 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( Client, Client_ThisServer( ), RPL_WHOISUSER_MSG, Client_ID( Client ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED; + 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( Client, Client_ThisServer( ), RPL_WHOISSERVER_MSG, Client_ID( Client ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED; + 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 ), 'o' )) strcat( str, "@" ); + else if( strchr( Channel_UserModes( chan, c ), 'v' )) 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( Client, Client_ThisServer( ), RPL_WHOISOPERATOR_MSG, Client_ID( Client ), Client_ID( c ))) return DISCONNECTED; + 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( Client, Client_ThisServer( ), RPL_WHOISIDLE_MSG, Client_ID( Client ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED; + 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( Client, Client_ThisServer( ), RPL_ENDOFWHOIS_MSG, Client_ID( Client ), Client_ID( c )); + return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c )); } /* IRC_WHOIS */ -GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_WHO( CLIENT *Client, REQUEST *Req ) +{ + BOOLEAN ok, only_ops; + CHAR flags[8], *ptr; + CL2CHAN *cl2chan; + CHANNEL *chan; + CLIENT *c; + + 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 ); + + only_ops = FALSE; + chan = NULL; + + if( Req->argc == 2 ) + { + /* Nur OPs anzeigen? */ + if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE; +#ifdef STRICT_RFC + else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); +#endif + } + + if( Req->argc >= 1 ) + { + /* wurde ein Channel oder Nick-Mask angegeben? */ + chan = Channel_Search( Req->argv[0] ); + } + + if( chan ) + { + /* User eines Channels ausgeben */ + if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED; + } + + c = Client_First( ); + while( c ) + { + if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' ))) + { + ok = FALSE; + if( Req->argc == 0 ) ok = TRUE; + else + { + if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE; + else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE; + } + + if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' )))) + { + /* Flags zusammenbasteln */ + strcpy( flags, "H" ); + if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" ); + + /* ausgeben */ + cl2chan = Channel_FirstChannelOf( c ); + if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan )); + else ptr = "*"; + if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED; + } + } + + /* naechster Client */ + c = Client_Next( c ); + } + + if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan )); + else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" ); + else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] ); +} /* IRC_WHO */ + + +GLOBAL BOOLEAN +IRC_USERHOST( CLIENT *Client, REQUEST *Req ) { CHAR rpl[COMMAND_LEN]; CLIENT *c; @@ -850,10 +446,10 @@ GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) assert( Client != NULL ); assert( Req != NULL ); - if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client )); + 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, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + 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; @@ -861,7 +457,7 @@ GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) strcpy( rpl, RPL_USERHOST_MSG ); for( i = 0; i < max; i++ ) { - c = Client_GetFromID( Req->argv[i] ); + c = Client_Search( Req->argv[i] ); if( c && ( Client_Type( c ) == CLIENT_USER )) { /* Dieser Nick ist "online" */ @@ -878,11 +474,12 @@ GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) } if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - return IRC_WriteStrClient( Client, Client_ThisServer( ), rpl, Client_ID( Client ) ); + return IRC_WriteStrClient( Client, rpl, Client_ID( Client ) ); } /* IRC_USERHOST */ -GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ERROR( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); @@ -894,33 +491,163 @@ GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) } /* IRC_ERROR */ -LOCAL BOOLEAN Hello_User( CLIENT *Client ) +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 )); - /* Passwort ueberpruefen */ - if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 ) + /* 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_Search( 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_Search( 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_Search( Req->prefix ); + else target = Client; + if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); + + IRC_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_Search( 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_Search( 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_Search( 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_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_Search( Req->argv[0] ); + else target = Client_ThisServer( ); + + /* Prefix ermitteln */ + if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( 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( )) { - /* Falsches Passwort */ - Log( LOG_ALERT, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client )); - Conn_Close( Client_Conn( Client ), "Bad password!" ); - return DISCONNECTED; + 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; } - Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client )); + /* mit Versionsinfo antworten */ + return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE, VERSION, 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 )); - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client )); - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( ))); - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr ); - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( ))); + /* Falsche Anzahl Parameter? */ + if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - Client_SetType( Client, CLIENT_USER ); + prefix = Client_Search( 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] ); - return Show_MOTD( Client ); -} /* Hello_User */ + /* haben wir selber einen solchen Client? */ + c = Client_Search( 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 Show_MOTD( CLIENT *Client ) +GLOBAL BOOLEAN +IRC_Show_MOTD( CLIENT *Client ) { BOOLEAN ok; CHAR line[127]; @@ -932,30 +659,158 @@ LOCAL BOOLEAN Show_MOTD( CLIENT *Client ) if( ! fd ) { Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno )); - return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOMOTD_MSG, Client_ID( Client ) ); + return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) ); } - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( ))); + 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'; - IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MOTD_MSG, Client_ID( Client ), line ); + if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line )) + { + fclose( fd ); + return FALSE; + } } - ok = IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_ENDOFMOTD_MSG, Client_ID( Client ) ); + ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) ); fclose( fd ); return ok; -} /* Show_MOTD */ +} /* IRC_Show_MOTD */ + + +GLOBAL BOOLEAN +IRC_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 ), 'o' )) strcat( str, "@" ); + else if( strchr( Channel_UserModes( Chan, cl ), 'v' )) 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; +} /* IRC_Send_NAMES */ + + +GLOBAL BOOLEAN +IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps ) +{ + BOOLEAN is_visible, is_member; + CL2CHAN *cl2chan; + CHAR flags[8]; + CLIENT *c; + + assert( Client != NULL ); + assert( Chan != NULL ); + + if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE; + else is_member = FALSE; + + /* Alle Mitglieder suchen */ + cl2chan = Channel_FirstMember( Chan ); + while( cl2chan ) + { + c = Channel_GetClient( cl2chan ); + + if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE; + else is_visible = TRUE; + + if( is_member || is_visible ) + { + /* Flags zusammenbasteln */ + strcpy( flags, "H" ); + if( strchr( Client_Modes( c ), 'o' )) strcat( flags, "*" ); + if( strchr( Channel_UserModes( Chan, c ), 'o' )) strcat( flags, "@" ); + else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strcat( flags, "+" ); + + /* ausgeben */ + if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' ))) + { + if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED; + } + } + + /* naechstes Mitglied suchen */ + cl2chan = Channel_NextMember( Chan, cl2chan ); + } + return CONNECTED; +} /* IRC_Send_WHO */ -LOCAL VOID Kill_Nick( CHAR *Nick ) +GLOBAL BOOLEAN +IRC_Send_LUSERS( CLIENT *Client ) { - Log( LOG_ALERT, "User(s) with nick \"%s\" will be disconnected!", Nick ); - /* FIXME */ - Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" ); -} /* Kill_Nick */ + 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; +} /* IRC_Send_LUSERS */ /* -eof- */