commit c23199d971258be6266e1b933e5b38340267baa2 from: Alexander Barton date: Wed Feb 27 23:26:21 2002 UTC - Modul aus irc.c bzw. irc.h ausgegliedert. commit - b56eb4d8d4a6df609998284f0bc4613f4f6a89e3 commit + c23199d971258be6266e1b933e5b38340267baa2 blob - /dev/null blob + 6686dc6f676d7764071c73e0b5253185771a1c5a (mode 644) --- /dev/null +++ src/ngircd/irc-login.c @@ -0,0 +1,723 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-login.c,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-login.c: Anmeldung und Abmeldung im IRC + * + * $Log: irc-login.c,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#include +#include "global.h" + +#include +#include +#include +#include +#include + +#include "ngircd.h" +#include "conf.h" +#include "irc.h" +#include "irc-write.h" +#include "log.h" +#include "messages.h" + +#include +#include "irc-login.h" + + +LOCAL BOOLEAN Hello_User( CLIENT *Client ); +LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason ); + + +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 */ + + +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( ! IRC_Send_LUSERS( Client )) return DISCONNECTED; + if( ! IRC_Show_MOTD( Client )) return DISCONNECTED; + + return CONNECTED; +} /* Hello_User */ + + +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 */ + + +/* -eof- */ blob - /dev/null blob + 5c53aee8eedb3434a7679a249592c113420bc0f5 (mode 644) --- /dev/null +++ src/ngircd/irc-login.h @@ -0,0 +1,44 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-login.h,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-login.h: Anmeldung und Abmeldung im IRC (Header) + * + * $Log: irc-login.h,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#ifndef __irc_login_h__ +#define __irc_login_h__ + +#include "parse.h" +#include "client.h" + + +GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_SQUIT( CLIENT *Client, REQUEST *Req ); + + +#endif + + +/* -eof- */ blob - /dev/null blob + 966f0cc2c822cb19b66f5a259016ffea6124e866 (mode 644) --- /dev/null +++ src/ngircd/irc-mode.c @@ -0,0 +1,393 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-mode.c,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-mode.c: IRC-Befehle zur Mode-Aenderung (MODE, AWAY, ...) + * + * $Log: irc-mode.c,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#include +#include "global.h" + +#include +#include +#include + +#include "channel.h" +#include "irc-write.h" +#include "log.h" +#include "messages.h" + +#include +#include "irc-mode.h" + + +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 */ + + +/* -eof- */ blob - /dev/null blob + cef76b303bb67459f7e94836feae264c11b75258 (mode 644) --- /dev/null +++ src/ngircd/irc-mode.h @@ -0,0 +1,37 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-mode.h,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-mode.h: IRC-Befehle zur Mode-Aenderung (MODE, AWAY, ...) (Header) + * + * $Log: irc-mode.h,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#ifndef __irc_mode_h__ +#define __irc_mode_h__ + +#include "parse.h" +#include "client.h" + + +GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ); +GLOBAL BOOLEAN IRC_AWAY( CLIENT *Client, REQUEST *Req ); + + +#endif + + +/* -eof- */ \ No newline at end of file blob - /dev/null blob + e72cec9bb75e33cf800f954ae817aa9f6209dcca (mode 644) --- /dev/null +++ src/ngircd/irc-write.c @@ -0,0 +1,275 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-write.c,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-write.c: IRC-Texte und Befehle ueber Netzwerk versenden + * + * $Log: irc-write.c,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#include +#include "global.h" + +#include +#include +#include +#include + +#include +#include "irc-write.h" + + +CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ); + + +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 */ + + +CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ) +{ + assert( Target != NULL ); + assert( Client != NULL ); + + if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client ); + else return Client_Mask( Client ); +} /* Get_Prefix */ + + +/* -eof- */ blob - /dev/null blob + 087d12e39901f016af162719675616d28b6d5cb7 (mode 644) --- /dev/null +++ src/ngircd/irc-write.h @@ -0,0 +1,44 @@ +/* + * ngIRCd -- The Next Generation IRC Daemon + * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de) + * + * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen + * der GNU General Public License (GPL), wie von der Free Software Foundation + * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2 + * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version. + * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste + * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * + * $Id: irc-write.h,v 1.1 2002/02/27 23:26:21 alex Exp $ + * + * irc-write.h: IRC-Texte und Befehle ueber Netzwerk versenden (Header) + * + * $Log: irc-write.h,v $ + * Revision 1.1 2002/02/27 23:26:21 alex + * - Modul aus irc.c bzw. irc.h ausgegliedert. + * + */ + + +#ifndef __irc_write_h__ +#define __irc_write_h__ + +#include "channel.h" + + +GLOBAL BOOLEAN IRC_WriteStrClient( CLIENT *Client, CHAR *Format, ... ); +GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *Format, ... ); + +GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remote, CHAR *Format, ... ); +GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... ); + +GLOBAL VOID IRC_WriteStrServers( CLIENT *ExceptOf, CHAR *Format, ... ); +GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *Format, ... ); + +GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... ); + + +#endif + + +/* -eof- */