X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc.c;h=2a8a6149f5d126eb416c4b8713a1bf8e894a8981;hp=12754d903c24d18f8a81501ea4ab956595fbd9f6;hb=93a52dfab86da096e629a8e2f86229245378ac68;hpb=db7ea9c4b3d23e0386e694be3086df5d58886f38 diff --git a/src/ngircd/irc.c b/src/ngircd/irc.c index 12754d90..2a8a6149 100644 --- a/src/ngircd/irc.c +++ b/src/ngircd/irc.c @@ -9,11 +9,51 @@ * 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 1.58 2002/02/17 17:18:59 alex Exp $ + * $Id: irc.c,v 1.70 2002/02/26 22:06:40 alex Exp $ * * irc.c: IRC-Befehle * * $Log: irc.c,v $ + * Revision 1.70 2002/02/26 22:06:40 alex + * - Nick-Aenderungen werden nun wieder korrekt ins Logfile geschrieben. + * + * Revision 1.69 2002/02/26 20:52:40 alex + * - VERSION wurde falsch weitergeleitet und beantwortet (Prefix nicht beachtet) + * + * Revision 1.68 2002/02/25 17:46:27 alex + * - an User wird nun immer ein "komplettes" Prefix verschickt. + * + * Revision 1.67 2002/02/25 13:21:25 alex + * - WHOIS wird nicht mehr automatisch an den "Original-Server" weiterge- + * leitet: war eh nicht RFC-konform und machte Probleme mit Clients. + * + * Revision 1.66 2002/02/23 21:39:48 alex + * - IRC-Befehl KILL sowie Kills bei Nick Collsisions implementiert. + * + * Revision 1.65 2002/02/23 00:03:54 alex + * - Ergebnistyp von Conn_GetIdle() und Conn_LastPing() auf "time_t" geaendert. + * + * Revision 1.64 2002/02/19 20:06:45 alex + * - User-Registrierung wird nicht mehr als Nick-Aenderung protokolliert, + * - VERSION liefert nun doch wieder den Debug-Status im Reply. + * + * Revision 1.63 2002/02/19 02:21:17 alex + * - der Debug-Level wird bei VERSION nicht mehr geliefert. Grund: a) absolut + * unnoetig und b) Compiler-Fehler, wenn ohne Debug-Code configure'd ;-)) + * + * Revision 1.62 2002/02/17 23:38:58 alex + * - neuer IRC-Befehl VERSION implementiert: IRC_VERSION(). + * + * Revision 1.61 2002/02/17 19:03:12 alex + * - NICK-Aenderungen wurden dem User selber mit dem falschen Prefix geliefert. + * + * Revision 1.60 2002/02/17 17:43:14 alex + * - Fehlerhafte Modes werden nun ausfuehrlicher an den Client gemeldet. + * + * Revision 1.59 2002/02/17 17:30:21 alex + * - NICK-Aenderungen werden an alle Server und betroffene Clients gemeldet. + * - Neue Funktion IRC_WriteStrRelatedPrefix(). + * * Revision 1.58 2002/02/17 17:18:59 alex * - NICK korrigiert. * @@ -255,11 +295,13 @@ LOCAL BOOLEAN Hello_User( CLIENT *Client ); LOCAL BOOLEAN Show_MOTD( CLIENT *Client ); -LOCAL VOID Kill_Nick( CHAR *Nick ); +LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason ); LOCAL BOOLEAN Send_NAMES( CLIENT *Client, CHANNEL *Chan ); LOCAL BOOLEAN Send_LUSERS( CLIENT *Client ); +CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ); + GLOBAL VOID IRC_Init( VOID ) { @@ -306,7 +348,7 @@ GLOBAL BOOLEAN IRC_WriteStrClientPrefix( CLIENT *Client, CLIENT *Prefix, CHAR *F vsnprintf( buffer, 1000, Format, ap ); va_end( ap ); - return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Client_ID( Prefix ), buffer ); + return Conn_WriteStr( Client_Conn( Client_NextHop( Client )), ":%s %s", Get_Prefix( Client_NextHop( Client ), Prefix ), buffer ); } /* IRC_WriteStrClientPrefix */ @@ -328,8 +370,8 @@ GLOBAL BOOLEAN IRC_WriteStrChannel( CLIENT *Client, CHANNEL *Chan, BOOLEAN Remot 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]; - BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED; CL2CHAN *cl2chan; CLIENT *c; INT s, i; @@ -366,6 +408,8 @@ GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT 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 ); } @@ -375,7 +419,8 @@ GLOBAL BOOLEAN IRC_WriteStrChannelPrefix( CLIENT *Client, CHANNEL *Chan, CLIENT { if( sock[i] ) { - ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer ); + 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; } } @@ -427,7 +472,7 @@ GLOBAL VOID IRC_WriteStrServersPrefix( CLIENT *ExceptOf, CLIENT *Prefix, CHAR *F GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEAN Remote, CHAR *Format, ... ) { - BOOLEAN sock[MAX_CONNECTIONS], ok = CONNECTED; + BOOLEAN sock[MAX_CONNECTIONS], is_server[MAX_CONNECTIONS], ok = CONNECTED; CL2CHAN *chan_cl2chan, *cl2chan; CHAR buffer[1000]; CHANNEL *chan; @@ -471,6 +516,8 @@ GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEA 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 ); } @@ -484,7 +531,8 @@ GLOBAL BOOLEAN IRC_WriteStrRelatedPrefix( CLIENT *Client, CLIENT *Prefix, BOOLEA { if( sock[i] ) { - ok = Conn_WriteStr( i, ":%s %s", Client_ID( Prefix ), buffer ); + 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; } } @@ -845,23 +893,11 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) if( ! Client_CheckNick( target, Req->argv[0] )) return CONNECTED; } - if( Client_Type( Client ) == CLIENT_USER ) - { - /* Nick-Aenderung: allen mitteilen! */ - Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] ); - IRC_WriteStrClient( Client, "NICK :%s", Req->argv[0] ); - IRC_WriteStrRelatedPrefix( Client, Client, TRUE, "NICK :%s", Req->argv[0] ); - } - else if( Client_Type( Client ) == CLIENT_SERVER ) - { - /* Nick-Aenderung: allen mitteilen! */ - Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] ); - IRC_WriteStrServersPrefix( Client, target, "NICK :%s", Req->argv[0] ); - IRC_WriteStrRelatedPrefix( target, target, FALSE, "NICK :%s", Req->argv[0] ); - } - - /* Client-Nick registrieren */ - Client_SetID( target, Req->argv[0] ); + /* 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 )) { @@ -870,6 +906,11 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client ); else Client_SetType( Client, CLIENT_GOTNICK ); } + else Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] ); + + /* Client-Nick registrieren */ + Client_SetID( target, Req->argv[0] ); + return CONNECTED; } else if( Client_Type( Client ) == CLIENT_SERVER ) @@ -887,7 +928,7 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) * 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] ); + Kill_Nick( Req->argv[0], "Nick collision" ); return CONNECTED; } @@ -896,7 +937,7 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) 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] ); + Kill_Nick( Req->argv[0], "Unknown server" ); return CONNECTED; } @@ -908,7 +949,7 @@ GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) * 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] ); + Kill_Nick( Req->argv[0], "Server error" ); return CONNECTED; } @@ -1101,7 +1142,7 @@ GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ) /* 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: %d seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client ))); + 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; @@ -1312,7 +1353,7 @@ GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) break; default: Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Client )); - ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); + ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } @@ -1342,7 +1383,7 @@ GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) 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_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); + ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } @@ -1381,7 +1422,7 @@ GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) 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_UMODEUNKNOWNFLAG_MSG, Client_ID( Client )); + ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr ); x[0] = '\0'; } } @@ -1702,17 +1743,11 @@ GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req ) if( ! target ) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] ); ptr = Req->argv[1]; } -#ifndef STRICT_RFC - else if( Client_Conn( c ) == NONE ) - { - /* Client ist nicht von uns. Ziel-Server suchen */ - target = c; - ptr = Req->argv[0]; - } -#endif - else target = NULL; + else target = Client_ThisServer( ); + + assert( target != NULL ); - if( target && ( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr ); + if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr ); /* Nick, User und Name */ if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED; @@ -2036,6 +2071,72 @@ GLOBAL BOOLEAN IRC_PART( CLIENT *Client, REQUEST *Req ) } /* IRC_PART */ +GLOBAL BOOLEAN IRC_VERSION( CLIENT *Client, REQUEST *Req ) +{ + CLIENT *target, *prefix; + + assert( Client != NULL ); + assert( Req != NULL ); + + /* Falsche Anzahl Parameter? */ + if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + + /* Ziel suchen */ + if( Req->argc == 1 ) target = Client_GetFromID( Req->argv[0] ); + else target = Client_ThisServer( ); + + /* Prefix ermitteln */ + if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_GetFromID( Req->prefix ); + else prefix = Client; + if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->prefix ); + + /* An anderen Server weiterleiten? */ + if( target != Client_ThisServer( )) + { + if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] ); + + /* forwarden */ + IRC_WriteStrClientPrefix( Client_NextHop( target ), prefix, "VERSION %s", Req->argv[0] ); + return CONNECTED; + } + + /* mit Versionsinfo antworten */ + return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( )); +} /* IRC_VERSION */ + + +GLOBAL BOOLEAN IRC_KILL( CLIENT *Client, REQUEST *Req ) +{ + CLIENT *prefix, *c; + + assert( Client != NULL ); + assert( Req != NULL ); + + if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); + + /* Falsche Anzahl Parameter? */ + if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + + prefix = Client_GetFromID( Req->prefix ); + if( ! prefix ) + { + Log( LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!", Req->prefix ); + prefix = Client_ThisServer( ); + } + + Log( LOG_NOTICE, "Got KILL command from \"%s\" for \"%s\": %s", Client_Mask( prefix ), Req->argv[0], Req->argv[1] ); + + /* andere Server benachrichtigen */ + IRC_WriteStrServersPrefix( Client, prefix, "KILL %s :%s", Req->argv[0], Req->argv[1] ); + + /* haben wir selber einen solchen Client? */ + c = Client_GetFromID( Req->argv[0] ); + if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE ); + + return CONNECTED; +} /* IRC_KILL */ + + LOCAL BOOLEAN Hello_User( CLIENT *Client ) { assert( Client != NULL ); @@ -2102,11 +2203,21 @@ LOCAL BOOLEAN Show_MOTD( CLIENT *Client ) } /* Show_MOTD */ -LOCAL VOID Kill_Nick( CHAR *Nick ) +LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason ) { - Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected!", Nick ); - /* FIXME */ - Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" ); + 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 */ @@ -2188,4 +2299,14 @@ LOCAL BOOLEAN Send_LUSERS( CLIENT *Client ) } /* Send_LUSERS */ +CHAR *Get_Prefix( CLIENT *Target, CLIENT *Client ) +{ + assert( Target != NULL ); + assert( Client != NULL ); + + if( Client_Type( Target ) == CLIENT_SERVER ) return Client_ID( Client ); + else return Client_Mask( Client ); +} /* Get_Prefix */ + + /* -eof- */