X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc.c;h=ff75b0343cfed4819ee8b2063e7c736b82798fbe;hp=32805b34cf134fef14e2336e2bb851cd6a372f03;hb=1e83e6662f0f3c28d95d189da221ffd246d985e3;hpb=b9bf012e83cfe5037391207207d70ff9ad716b37 diff --git a/src/ngircd/irc.c b/src/ngircd/irc.c index 32805b34..ff75b034 100644 --- a/src/ngircd/irc.c +++ b/src/ngircd/irc.c @@ -9,893 +9,860 @@ * 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 1.21 2002/01/03 02:26:51 alex Exp $ + * $Id: irc.c,v 1.98 2002/10/09 13:35:32 alex Exp $ * * irc.c: IRC-Befehle - * - * $Log: irc.c,v $ - * 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 ); - - -GLOBAL VOID IRC_Init( VOID ) +GLOBAL BOOLEAN +IRC_MOTD( CLIENT *Client, REQUEST *Req ) { -} /* 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 ); + assert( Req != NULL ); - if( Client->conn_id != NONE ) send_to = Client->conn_id; - else send_to = Client->introducer->conn_id; + if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Client_GetID( Prefix ), buffer ); - else ok = Conn_WriteStr( Client->conn_id, buffer ); + /* Falsche Anzahl Parameter? */ + if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - return ok; -} /* IRC_WriteStrClient */ + return IRC_Show_MOTD( Client ); +} /* IRC_MOTD */ -GLOBAL BOOLEAN IRC_WriteStrRelated( CLIENT *Client, CHAR *Format, ... ) +GLOBAL BOOLEAN +IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) { - CHAR buffer[1000]; - BOOLEAN ok = CONNECTED; - va_list ap; - + CLIENT *cl, *from; + CHANNEL *chan; + 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 ); + assert( Req != NULL ); - return ok; -} /* IRC_WriteStrRelated */ + if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); + /* Falsche Anzahl Parameter? */ + if( Req->argc == 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command ); + if( Req->argc == 1 ) return IRC_WriteStrClient( Client, ERR_NOTEXTTOSEND_MSG, Client_ID( Client )); + if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); -GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); + if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix ); + else from = Client; + if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix ); - /* Fehler liefern, wenn kein lokaler Client */ - if( Client->conn_id <= NONE ) return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Nick( Client ), Req->command ); - - if(( Client->type == CLIENT_UNKNOWN ) && ( Req->argc == 1)) + cl = Client_Search( Req->argv[0] ); + if( cl ) { - /* noch nicht registrierte unbekannte Verbindung */ - Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client->conn_id ); + /* Okay, Ziel ist ein Client. Aber ist es auch ein User? */ + if( Client_Type( cl ) != CLIENT_USER ) return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); - /* Passwort speichern */ - strncpy( Client->pass, Req->argv[0], CLIENT_PASS_LEN ); - Client->pass[CLIENT_PASS_LEN - 1] = '\0'; + /* Okay, Ziel ist ein User */ + if(( Client_Type( Client ) != CLIENT_SERVER ) && ( strchr( Client_Modes( cl ), 'a' ))) + { + /* Ziel-User ist AWAY: Meldung verschicken */ + if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( cl ), Client_Away( cl ))) return DISCONNECTED; + } - Client->type = CLIENT_GOTPASS; - 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 if((( Client->type == CLIENT_UNKNOWN ) || ( Client->type == 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_id ); - /* Passwort speichern */ - strncpy( Client->pass, Req->argv[0], CLIENT_PASS_LEN ); - Client->pass[CLIENT_PASS_LEN - 1] = '\0'; - - Client->type = CLIENT_GOTPASSSERVER; - return CONNECTED; - } - else if(( Client->type == CLIENT_UNKNOWN ) || ( Client->type == CLIENT_UNKNOWNSERVER )) - { - /* Falsche Anzahl Parameter? */ - return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - } - else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Nick( Client )); -} /* IRC_PASS */ + chan = Channel_Search( Req->argv[0] ); + if( chan ) return Channel_Write( chan, from, Client, Req->argv[1] ); + + return IRC_WriteStrClient( from, ERR_NOSUCHNICK_MSG, Client_ID( from ), Req->argv[0] ); +} /* IRC_PRIVMSG */ -GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_NOTICE( CLIENT *Client, REQUEST *Req ) { + CLIENT *to, *from; + assert( Client != NULL ); assert( Req != NULL ); - /* Fehler liefern, wenn kein lokaler Client */ - if( Client->conn_id <= NONE ) return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Nick( Client ), Req->command ); - - if( Client->type == CLIENT_GOTPASSSERVER ) - { - /* Verbindung soll als Server-Server-Verbindung registriert werden */ - Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client->conn_id ); + if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return CONNECTED; - /* Falsche Anzahl Parameter? */ - if( Req->argc != 3 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - /* Ist ein Server mit dieser ID bereits registriert? */ - if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED; - - /* Server-Strukturen fuellen ;-) */ - strncpy( Client->nick, Req->argv[0], CLIENT_ID_LEN ); - Client->nick[CLIENT_ID_LEN - 1] = '\0'; - strncpy( Client->info, Req->argv[2], CLIENT_INFO_LEN ); - Client->info[CLIENT_INFO_LEN - 1] = '\0'; + /* Falsche Anzahl Parameter? */ + if( Req->argc != 2 ) return CONNECTED; - Log( LOG_NOTICE, "Server \"%s\" (%s) registered (connection %d).", Client->nick, Client->info, Client->conn_id ); + 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 ); - Client->type = CLIENT_SERVER; - return CONNECTED; - } - else if( Client->type == CLIENT_SERVER ) + to = Client_Search( Req->argv[0] ); + if(( to ) && ( Client_Type( to ) == CLIENT_USER )) { - /* Neuer Server wird im Netz angekuendigt */ - return CONNECTED; + /* Okay, Ziel ist ein User */ + return IRC_WriteStrClientPrefix( to, from, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] ); } - else return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); -} /* IRC_SERVER */ + else return CONNECTED; +} /* IRC_NOTICE */ -GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_NAMES( CLIENT *Client, REQUEST *Req ) { + CHAR rpl[COMMAND_LEN], *ptr; + CLIENT *target, *from, *c; + CHANNEL *chan; + assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_SERVER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTEREDSERVER_MSG, Client_Nick( Client )); - - return CONNECTED; -} /* IRC_NJOIN */ - + if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); -GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); + /* Falsche Anzahl Parameter? */ + if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */ -#ifndef STRICT_RFC - if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTUSER || Client->type == CLIENT_USER ) -#else - if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_USER ) -#endif + /* 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 ) { - /* User-Registrierung bzw. Nick-Aenderung */ - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - /* Ist der Client "restricted"? */ - if( strchr( Client->modes, 'r' )) return IRC_WriteStrClient( Client, This_Server, ERR_RESTRICTED_MSG, Client_Nick( 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] ); - /* 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->nick, 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->nick, Req->argv[0] ) != 0 ) + if( target != Client_ThisServer( )) { - if( ! Client_CheckNick( Client, Req->argv[0] )) return DISCONNECTED; + /* Ok, anderer Server ist das Ziel: forwarden */ + return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] ); } + } - if( Client->type == CLIENT_USER ) - { - /* Nick-Aenderung: allen mitteilen! */ - Log( LOG_INFO, "User \"%s!%s@%s\" changed nick: \"%s\" -> \"%s\".", Client->nick, Client->user, Client->host, Client->nick, Req->argv[0] ); - IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] ); - } - - /* Client-Nick registrieren */ - strcpy( Client->nick, Req->argv[0] ); - - if( Client->type != CLIENT_USER ) + if( Req->argc > 0 ) + { + /* bestimmte Channels durchgehen */ + ptr = strtok( Req->argv[0], "," ); + while( ptr ) { - /* Neuer Client */ - Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client->conn_id ); - if( Client->type == CLIENT_GOTUSER ) return Hello_User( Client ); - else Client->type = CLIENT_GOTNICK; + 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; } - else if( Client->type == CLIENT_SERVER ) + + /* alle Channels durchgehen */ + chan = Channel_First( ); + while( chan ) { - /* Server fuehrt neuen Client ein */ + /* Namen ausgeben */ + if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED; - /* Falsche Anzahl Parameter? */ - if( Req->argc != 7 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - return CONNECTED; + /* naechster Channel */ + chan = Channel_Next( chan ); } - else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Nick( Client )); -} /* IRC_NICK */ - -GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - -#ifndef STRICT_RFC - if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS || Client->type == CLIENT_UNKNOWN ) -#else - if( Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS ) -#endif + /* Nun noch alle Clients ausgeben, die in keinem Channel sind */ + c = Client_First( ); + sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" ); + while( c ) { - /* Falsche Anzahl Parameter? */ - if( Req->argc != 4 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + if(( Client_Type( c ) == CLIENT_USER ) && ( Channel_FirstChannelOf( c ) == NULL ) && ( ! strchr( Client_Modes( c ), 'i' ))) + { + /* Okay, das ist ein User: anhaengen */ + if( rpl[strlen( rpl ) - 1] != ':' ) strcat( rpl, " " ); + strcat( rpl, Client_ID( c )); - strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN ); - Client->user[CLIENT_USER_LEN - 1] = '\0'; - strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN ); - Client->name[CLIENT_NAME_LEN - 1] = '\0'; + if( strlen( rpl ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 )) + { + /* Zeile wird zu lang: senden! */ + if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED; + sprintf( rpl, RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" ); + } + } - Log( LOG_DEBUG, "Connection %d: got USER command ...", Client->conn_id ); - if( Client->type == CLIENT_GOTNICK ) return Hello_User( Client ); - else Client->type = CLIENT_GOTUSER; - return CONNECTED; - } - else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE ) - { - return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Nick( Client )); + /* naechster Client */ + c = Client_Next( c ); } - else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); -} /* IRC_USER */ - - -GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE ) + if( rpl[strlen( rpl ) - 1] != ':') { - /* Falsche Anzahl Parameter? */ - if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - Conn_Close( Client->conn_id, "Client wants to quit." ); - return DISCONNECTED; + /* es wurden User gefunden */ + if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED; } - else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); -} /* IRC_QUIT */ - - -GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req ) -{ - assert( Client != NULL ); - assert( Req != NULL ); - - if(( Client->type != CLIENT_USER ) && ( Client->type != CLIENT_SERVER )) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Nick( Client )); - if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - return IRC_WriteStrClient( Client, This_Server, "PONG %s :%s", Client_Nick( This_Server), Client_Nick( Client )); -} /* IRC_PING */ + + return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" ); +} /* IRC_NAMES */ -GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ISON( CLIENT *Client, REQUEST *Req ) { + CHAR rpl[COMMAND_LEN]; + CLIENT *c; + CHAR *ptr; + INT i; + assert( Client != NULL ); assert( Req != NULL ); - if(( Client->type != CLIENT_USER ) && ( Client->type != CLIENT_SERVER )) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( 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, This_Server, ERR_NOORIGIN_MSG, Client_Nick( Client )); - if( Req->argc > 2 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, 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. */ + strcpy( rpl, RPL_ISON_MSG ); + for( i = 0; i < Req->argc; i++ ) + { + ptr = strtok( Req->argv[i], " " ); + while( ptr ) + { + ngt_TrimStr( ptr ); + c = Client_Search( ptr ); + if( c && ( Client_Type( c ) == CLIENT_USER )) + { + /* Dieser Nick ist "online" */ + strcat( rpl, ptr ); + strcat( rpl, " " ); + } + ptr = strtok( NULL, " " ); + } + } + if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - Log( LOG_DEBUG, "Connection %d: received PONG.", Client->conn_id ); - return CONNECTED; -} /* IRC_PONG */ + return IRC_WriteStrClient( Client, "%s", rpl, Client_ID( Client ) ); +} /* IRC_ISON */ -GLOBAL BOOLEAN IRC_MOTD( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_WHOIS( CLIENT *Client, REQUEST *Req ) { + CLIENT *from, *target, *c; + CHAR str[LINE_LEN + 1], *ptr = NULL; + CL2CHAN *cl2chan; + CHANNEL *chan; + assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( 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 != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - return Show_MOTD( Client ); -} /* IRC_MOTD */ + if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); + /* Client suchen */ + 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] ); -GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req ) -{ - CLIENT *to; + /* 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 ); - assert( Client != NULL ); - assert( Req != NULL ); - - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc == 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NORECIPIENT_MSG, Client_Nick( Client ), Req->command ); - if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTEXTTOSEND_MSG, Client_Nick( Client )); - if( Req->argc > 2 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - to = Client_Search( Req->argv[0] ); - if( to ) + /* Forwarden an anderen Server? */ + if( Req->argc > 1 ) { - /* Okay, Ziel ist ein User */ - if( Client->conn_id >= 0 ) Conn_UpdateIdle( Client->conn_id ); - return IRC_WriteStrClient( to, Client, "PRIVMSG %s :%s", to->nick, Req->argv[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( ); - return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Nick( Client ), Req->argv[0] ); -} /* IRC_PRIVMSG */ + assert( target != NULL ); + + if(( Client_NextHop( target ) != Client_ThisServer( )) && ( Client_Type( Client_NextHop( target )) == CLIENT_SERVER )) return IRC_WriteStrClientPrefix( target, from, "WHOIS %s :%s", Req->argv[0], ptr ); + + /* Nick, User und Name */ + if( ! IRC_WriteStrClient( from, RPL_WHOISUSER_MSG, Client_ID( from ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED; + /* Server */ + if( ! IRC_WriteStrClient( from, RPL_WHOISSERVER_MSG, Client_ID( from ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED; -GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req ) -{ - CLIENT *to; + /* 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 )); - assert( Client != NULL ); - assert( Req != NULL ); + if( strlen( str ) > ( LINE_LEN - CHANNEL_NAME_LEN - 4 )) + { + /* Zeile wird zu lang: senden! */ + if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED; + sprintf( str, RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c )); + } - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); + /* 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, "%s", str )) return DISCONNECTED; + } + + /* IRC-Operator? */ + if( Client_HasMode( c, 'o' )) + { + if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED; + } - /* Falsche Anzahl Parameter? */ - if( Req->argc != 2 ) return CONNECTED; + /* Idle (nur lokale Clients) */ + if( Client_Conn( c ) > NONE ) + { + if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED; + } - to = Client_Search( Req->argv[0] ); - if( to ) + /* Away? */ + if( Client_HasMode( c, 'a' )) { - /* Okay, Ziel ist ein User */ - return IRC_WriteStrClient( to, Client, "NOTICE %s :%s", to->nick, Req->argv[1] ); + if( ! IRC_WriteStrClient( from, RPL_AWAY_MSG, Client_ID( from ), Client_ID( c ), Client_Away( c ))) return DISCONNECTED; } - return CONNECTED; -} /* IRC_NOTICE */ + /* End of Whois */ + return IRC_WriteStrClient( from, RPL_ENDOFWHOIS_MSG, Client_ID( from ), Client_ID( c )); +} /* IRC_WHOIS */ -GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_WHO( CLIENT *Client, REQUEST *Req ) { - CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr, *p; - BOOLEAN set, ok; + BOOLEAN ok, only_ops; + CHAR flags[8], *ptr; + CL2CHAN *cl2chan; + CHANNEL *chan; CLIENT *c; assert( Client != NULL ); assert( Req != NULL ); - if(( Client->type != CLIENT_USER ) && ( Client->type != CLIENT_SERVER )) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); + if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); /* Falsche Anzahl Parameter? */ - if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* "Ziel-Client" suchen */ - c = Client_Search( Req->argv[0] ); + only_ops = FALSE; + chan = NULL; - /* Wer ist der Anfragende? */ - if( Client->type == CLIENT_USER ) + if( Req->argc == 2 ) { - /* User: MODE ist nur fuer sich selber zulaessig */ - if( c != Client ) return IRC_WriteStrClient( Client, This_Server, ERR_USERSDONTMATCH_MSG, Client_Nick( Client )); + /* 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 } - else + + if( Req->argc >= 1 ) { - /* Server: gibt es den Client ueberhaupt? */ - if( ! c ) return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Nick( Client ), Req->argv[0] ); + /* wurde ein Channel oder Nick-Mask angegeben? */ + chan = Channel_Search( Req->argv[0] ); } - /* Werden die Modes erfragt? */ - if( Req->argc == 1 ) return IRC_WriteStrClient( Client, This_Server, RPL_UMODEIS_MSG, Client_Nick( Client ), Client->modes ); - - ptr = Req->argv[1]; - - /* Sollen Modes gesetzt oder geloescht werden? */ - if( *ptr == '+' ) set = TRUE; - else if( *ptr == '-' ) set = FALSE; - else return IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Nick( Client )); - - /* Reply-String mit Aenderungen vorbereiten */ - if( set ) strcpy( new_modes, "+" ); - else strcpy( new_modes, "-" ); - - ptr++; - ok = TRUE; - x[1] = '\0'; - while( *ptr ) + if( chan ) { - x[0] = '\0'; - switch( *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, This_Server, ERR_RESTRICTED_MSG, Client_Nick( Client )); - break; - case 'o': - /* operator (kann nur geloescht werden) */ - if( ! set ) - { - Client->oper_by_me = FALSE; - x[0] = 'o'; - } - else ok = IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Nick( Client )); - break; - default: - ok = IRC_WriteStrClient( Client, This_Server, ERR_UMODEUNKNOWNFLAG_MSG, Client_Nick( Client )); - x[0] = '\0'; - } - if( ! ok ) break; - - ptr++; - if( ! x[0] ) continue; + /* User eines Channels ausgeben */ + if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED; + } - /* Okay, gueltigen Mode gefunden */ - if( set ) + c = Client_First( ); + while( c ) + { + if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' ))) { - /* Modes sollen gesetzt werden */ - if( ! strchr( Client->modes, x[0] )) + ok = FALSE; + if( Req->argc == 0 ) ok = TRUE; + else { - /* Client hat den Mode noch nicht -> setzen */ - strcat( Client->modes, x ); - strcat( new_modes, x ); + if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE; + else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE; } - } - else - { - /* Modes sollen geloescht werden */ - p = strchr( Client->modes, x[0] ); - if( p ) + + if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' )))) { - /* Client hat den Mode -> loeschen */ - while( *p ) - { - *p = *(p + 1); - p++; - } - strcat( new_modes, x ); + /* 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 ); } - - /* Geanderte Modes? */ - if( new_modes[1] && ok ) - { - ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client->nick, new_modes ); - Log( LOG_DEBUG, "User \"%s!%s@%s\": Mode change, now \"%s\".", Client->nick, Client->user, Client->host, Client->modes ); - } - return ok; -} /* IRC_MODE */ + + 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_OPER( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_USERHOST( CLIENT *Client, REQUEST *Req ) { - INT i; - + CHAR rpl[COMMAND_LEN]; + CLIENT *c; + INT max, i; + assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 2 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client )); - /* Operator suchen */ - for( i = 0; i < Conf_Oper_Count; i++) - { - if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break; - } - if( i >= Conf_Oper_Count ) return IRC_WriteStrClient( Client, This_Server, ERR_PASSWDMISMATCH_MSG, Client_Nick( Client )); + /* Falsche Anzahl Parameter? */ + if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* 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, This_Server, ERR_PASSWDMISMATCH_MSG, Client_Nick( Client )); + if( Req->argc > 5 ) max = 5; + else max = Req->argc; - if( ! strchr( Client->modes, 'o' )) + strcpy( rpl, RPL_USERHOST_MSG ); + for( i = 0; i < max; i++ ) { - /* noch kein o-Mode gesetzt */ - strcat( Client->modes, "o" ); - if( ! IRC_WriteStrRelated( Client, "MODE %s :+o", Client->nick )) return DISCONNECTED; + c = Client_Search( Req->argv[i] ); + if( c && ( Client_Type( c ) == CLIENT_USER )) + { + /* Dieser Nick ist "online" */ + strcat( rpl, Client_ID( c )); + if( Client_HasMode( c, 'o' )) strcat( rpl, "*" ); + strcat( rpl, "=" ); + if( Client_HasMode( c, 'a' )) strcat( rpl, "-" ); + else strcat( rpl, "+" ); + strcat( rpl, Client_User( c )); + strcat( rpl, "@" ); + strcat( rpl, Client_Hostname( c )); + strcat( rpl, " " ); + } } + if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - if( ! Client->oper_by_me ) Log( LOG_NOTICE, "User \"%s!%s@%s\" is now an IRC Operator.", Client->nick, Client->user, Client->host ); - - Client->oper_by_me = TRUE; - return IRC_WriteStrClient( Client, This_Server, RPL_YOUREOPER_MSG, Client_Nick( Client )); -} /* IRC_OPER */ + return IRC_WriteStrClient( Client, "%s", rpl, Client_ID( Client ) ); +} /* IRC_USERHOST */ -GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ERROR( CLIENT *Client, REQUEST *Req ) { assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); - - /* Falsche Anzahl Parameter? */ - if( Req->argc != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); - - if(( ! strchr( Client->modes, 'o' )) || ( ! Client->oper_by_me )) return IRC_WriteStrClient( Client, This_Server, ERR_NOPRIVILEGES_MSG, Client_Nick( Client )); + if( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s\"!", Client_Mask( Client )); + else Log( LOG_NOTICE, "Got ERROR from \"%s\": %s!", Client_Mask( Client ), Req->argv[0] ); - Log( LOG_NOTICE, "Got DIE command from \"%s!%s@%s\", going down!", Client->nick, Client->user, Client->host ); - NGIRCd_Quit = TRUE; return CONNECTED; -} /* IRC_DIE */ +} /* IRC_ERROR */ -GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_LUSERS( CLIENT *Client, REQUEST *Req ) { + CLIENT *target, *from; + assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( 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 != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + 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 ); - if(( ! strchr( Client->modes, 'o' )) || ( ! Client->oper_by_me )) return IRC_WriteStrClient( Client, This_Server, ERR_NOPRIVILEGES_MSG, Client_Nick( Client )); + /* 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 ); - Log( LOG_NOTICE, "Got RESTART command from \"%s!%s@%s\", going down!", Client->nick, Client->user, Client->host ); - NGIRCd_Restart = TRUE; return CONNECTED; -} /* IRC_RESTART */ +} /* IRC_LUSERS */ -GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_LINKS( CLIENT *Client, REQUEST *Req ) { - CHAR rpl[COMMAND_LEN]; - CLIENT *c; + CLIENT *target, *from, *c; + CHAR *mask; assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( 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 != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + 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] ); + } - /* Noch alle User ausgeben, die in keinem Channel sind */ - rpl[0] = '\0'; + /* 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( c->type == CLIENT_USER ) - { - /* Okay, das ist ein User */ - strcat( rpl, Client_Nick( c )); - strcat( rpl, " " ); - } - - /* Antwort zu lang? Splitten. */ - if( strlen( rpl ) > 480 ) + if( Client_Type( c ) == CLIENT_SERVER ) { - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - if( ! IRC_WriteStrClient( Client, This_Server, RPL_NAMREPLY_MSG, Client_Nick( Client ), "*", "*", rpl )) return DISCONNECTED; - rpl[0] = '\0'; + 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 ); } - if( rpl[0] ) - { - /* es wurden User gefunden */ - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - if( ! IRC_WriteStrClient( Client, This_Server, RPL_NAMREPLY_MSG, Client_Nick( Client ), "*", "*", rpl )) return DISCONNECTED; - } - return IRC_WriteStrClient( Client, This_Server, RPL_ENDOFNAMES_MSG, Client_Nick( Client ), "*" ); -} /* IRC_NAMES */ + + return IRC_WriteStrClient( target, RPL_ENDOFLINKS_MSG, Client_ID( target ), mask ); +} /* IRC_LINKS */ -GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_VERSION( CLIENT *Client, REQUEST *Req ) { - CHAR rpl[COMMAND_LEN]; - CLIENT *c; - CHAR *ptr; - INT i; + CLIENT *target, *prefix; assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); - /* Falsche Anzahl Parameter? */ - if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( 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++ ) + /* 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( )) { - ptr = strtok( Req->argv[i], " " ); - while( ptr ) - { - ngt_TrimStr( ptr ); - c = Client_GetFromNick( ptr ); - if( c && ( c->type == CLIENT_USER )) - { - /* Dieser Nick ist "online" */ - strcat( rpl, ptr ); - strcat( rpl, " " ); - } - ptr = strtok( NULL, " " ); - } + 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; } - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; - return IRC_WriteStrClient( Client, This_Server, rpl, Client->nick ); -} /* IRC_ISON */ + /* 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_WHOIS( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_KILL( CLIENT *Client, REQUEST *Req ) { - CLIENT *c; + CLIENT *prefix, *c; assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( Client )); + if( 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, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( Client ), Req->command ); + if(( Req->argc != 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command ); - /* Client suchen */ - c = Client_GetFromNick( Req->argv[0] ); - if(( ! c ) || ( c->type != CLIENT_USER )) return IRC_WriteStrClient( Client, This_Server, ERR_NOSUCHNICK_MSG, Client_Nick( Client ), Req->argv[0] ); - - /* Nick, User und Name */ - if( ! IRC_WriteStrClient( Client, This_Server, RPL_WHOISUSER_MSG, Client_Nick( Client ), c->nick, c->user, c->host, c->name )) return DISCONNECTED; - - /* Server */ - if( ! IRC_WriteStrClient( Client, This_Server, RPL_WHOISSERVER_MSG, Client_Nick( Client ), c->nick, c->introducer->nick, c->introducer->info )) return DISCONNECTED; - - /* IRC-Operator? */ - if( strchr( c->modes, 'o' )) + prefix = Client_Search( Req->prefix ); + if( ! prefix ) { - if( ! IRC_WriteStrClient( Client, This_Server, RPL_WHOISOPERATOR_MSG, Client_Nick( Client ), c->nick )) return DISCONNECTED; + 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] ); - /* Idle (nur lokale Clients) */ - if( c->conn_id >= 0 ) + /* haben wir selber einen solchen Client? */ + c = Client_Search( Req->argv[0] ); + if( c ) { - if( ! IRC_WriteStrClient( Client, This_Server, RPL_WHOISIDLE_MSG, Client_Nick( Client ), c->nick, Conn_GetIdle( c->conn_id ))) return DISCONNECTED; + /* Ja, wir haben einen solchen Client */ + if( Client_Conn( c ) != NONE ) Conn_Close( Client_Conn( c ), NULL, Req->argv[1], TRUE ); + else Client_Destroy( c, NULL, Req->argv[1], TRUE ); } + else Log( LOG_NOTICE, "Client with nick \"%s\" is unknown here.", Req->argv[0] ); - /* End of Whois */ - return IRC_WriteStrClient( Client, This_Server, RPL_ENDOFWHOIS_MSG, Client_Nick( Client ), c->nick ); -} /* IRC_WHOIS */ + return CONNECTED; +} /* IRC_KILL */ -GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req ) +GLOBAL BOOLEAN +IRC_ADMIN(CLIENT *Client, REQUEST *Req ) { - CHAR rpl[COMMAND_LEN]; - CLIENT *c; - INT max, i; + CLIENT *target, *prefix; assert( Client != NULL ); assert( Req != NULL ); - if( Client->type != CLIENT_USER ) return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Nick( 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 )) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Nick( 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; + /* 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( )) + { + if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] ); + + /* forwarden */ + IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] ); + return CONNECTED; + } + + /* mit Versionsinfo antworten */ + if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED; + if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) return DISCONNECTED; + if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC2_MSG, Client_ID( prefix ), Conf_ServerAdmin2 )) return DISCONNECTED; + if( ! IRC_WriteStrClient( Client, RPL_ADMINEMAIL_MSG, Client_ID( prefix ), Conf_ServerAdminMail )) return DISCONNECTED; + + return CONNECTED; +} /* IRC_ADMIN */ + + + +GLOBAL BOOLEAN +IRC_Show_MOTD( CLIENT *Client ) +{ + BOOLEAN ok; + CHAR line[127]; + FILE *fd; - strcpy( rpl, RPL_USERHOST_MSG ); - for( i = 0; i < max; i++ ) + assert( Client != NULL ); + + fd = fopen( Conf_MotdFile, "r" ); + if( ! fd ) + { + Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno )); + return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) ); + } + + IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( ))); + while( TRUE ) { - c = Client_GetFromNick( Req->argv[i] ); - if( c && ( c->type == CLIENT_USER )) + if( ! fgets( line, 126, fd )) break; + if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0'; + if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line )) { - /* Dieser Nick ist "online" */ - strcat( rpl, c->nick ); - if( strchr( c->modes, 'o' )) strcat( rpl, "*" ); - strcat( rpl, "=" ); - if( strchr( c->modes, 'a' )) strcat( rpl, "-" ); - else strcat( rpl, "+" ); - strcat( rpl, c->user ); - strcat( rpl, "@" ); - strcat( rpl, c->host ); - strcat( rpl, " " ); + fclose( fd ); + return FALSE; } } - if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0'; + ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) ); - return IRC_WriteStrClient( Client, This_Server, rpl, Client->nick ); -} /* IRC_USERHOST */ + fclose( fd ); + + return ok; +} /* IRC_Show_MOTD */ -GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req ) +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( Req != 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( Req->argc < 1 ) Log( LOG_NOTICE, "Got ERROR from \"%s!%s@%s\"!", Client_Nick( Client ), Client->user, Client->host ); - else Log( LOG_NOTICE, "Got ERROR from \"%s!%s@%s\": %s!", Client_Nick( Client ), Client->user, Client->host, Req->argv[0] ); + 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, "%s", 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, "%s", str )) return DISCONNECTED; + } return CONNECTED; -} /* IRC_ERROR */ +} /* IRC_Send_NAMES */ -LOCAL BOOLEAN Hello_User( CLIENT *Client ) +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( Client->nick[0] ); + assert( Chan != NULL ); + + if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE; + else is_member = FALSE; - /* Passwort ueberpruefen */ - if( strcmp( Client->pass, Conf_ServerPwd ) != 0 ) + /* Alle Mitglieder suchen */ + cl2chan = Channel_FirstMember( Chan ); + while( cl2chan ) { - /* Falsches Passwort */ - Log( LOG_ALERT, "User \"%s!%s@%s\" (%s) rejected (connection %d): Bad password!", Client->nick, Client->user, Client->host, Client->name, Client->conn_id ); - Conn_Close( Client->conn_id, "Bad password!" ); - return DISCONNECTED; - } - - Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered (connection %d).", Client->nick, Client->user, Client->host, Client->name, Client->conn_id ); + c = Channel_GetClient( cl2chan ); - IRC_WriteStrClient( Client, This_Server, RPL_WELCOME_MSG, Client->nick, Client_GetID( Client )); - IRC_WriteStrClient( Client, This_Server, RPL_YOURHOST_MSG, Client->nick, This_Server->nick ); - IRC_WriteStrClient( Client, This_Server, RPL_CREATED_MSG, Client->nick, NGIRCd_StartStr ); - IRC_WriteStrClient( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->nick ); + if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE; + else is_visible = TRUE; - Client->type = CLIENT_USER; + 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; + } + } - return Show_MOTD( Client ); -} /* Hello_User */ + /* naechstes Mitglied suchen */ + cl2chan = Channel_NextMember( Chan, cl2chan ); + } + return CONNECTED; +} /* IRC_Send_WHO */ -LOCAL BOOLEAN Show_MOTD( CLIENT *Client ) +GLOBAL BOOLEAN +IRC_Send_LUSERS( CLIENT *Client ) { - BOOLEAN ok; - CHAR line[127]; - FILE *fd; - + INT cnt; + assert( Client != NULL ); - assert( Client->nick[0] ); - fd = fopen( Conf_MotdFile, "r" ); - if( ! fd ) + /* 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 ) { - Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno )); - return IRC_WriteStrClient( Client, This_Server, ERR_NOMOTD_MSG, Client->nick ); + if( ! IRC_WriteStrClient( Client, RPL_LUSEROP_MSG, Client_ID( Client ), cnt )) return DISCONNECTED; } - - IRC_WriteStrClient( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->nick ); - while( TRUE ) + + /* Unbekannt Verbindungen */ + cnt = Client_UnknownCount( ); + if( cnt > 0 ) { - if( ! fgets( line, 126, fd )) break; - if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0'; - IRC_WriteStrClient( Client, This_Server, RPL_MOTD_MSG, Client->nick, line ); + if( ! IRC_WriteStrClient( Client, RPL_LUSERUNKNOWN_MSG, Client_ID( Client ), cnt )) return DISCONNECTED; } - ok = IRC_WriteStrClient( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick ); - fclose( fd ); + /* 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 ok; -} /* Show_MOTD */ + return CONNECTED; +} /* IRC_Send_LUSERS */ /* -eof- */