/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * 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 comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: irc.c,v 1.11 2001/12/27 16:55:41 alex Exp $
+ * $Id: irc.c,v 1.23 2002/01/04 01:36:40 alex Exp $
*
* irc.c: IRC-Befehle
*
* $Log: irc.c,v $
+ * Revision 1.23 2002/01/04 01:36:40 alex
+ * - Loglevel ein wenig angepasst.
+ *
+ * Revision 1.22 2002/01/04 01:21:47 alex
+ * - Client-Strukruren werden nur noch ueber Funktionen angesprochen.
+ * - Weitere Anpassungen und Erweiterungen der Server-Links.
+ *
+ * Revision 1.21 2002/01/03 02:26:51 alex
+ * - neue Befehle SERVER und NJOIN begonnen,
+ * - begonnen, diverse IRC-Befehle an Server-Links anzupassen.
+ *
+ * Revision 1.20 2002/01/02 12:46:41 alex
+ * - die Gross- und Kleinschreibung des Nicks kann mit NICK nun geaendert werden.
+ *
+ * Revision 1.19 2002/01/02 02:51:39 alex
+ * - Copyright-Texte angepasst.
+ * - neuer Befehl "ERROR".
+ *
+ * Revision 1.17 2001/12/31 15:33:13 alex
+ * - neuer Befehl NAMES, kleinere Bugfixes.
+ * - Bug bei PING behoben: war zu restriktiv implementiert :-)
+ *
+ * Revision 1.16 2001/12/31 02:18:51 alex
+ * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART),
+ * - neuen Header "defines.h" mit (fast) allen Konstanten.
+ * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes.
+ *
+ * Revision 1.15 2001/12/30 19:26:11 alex
+ * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
+ *
+ * Revision 1.14 2001/12/30 11:42:00 alex
+ * - der Server meldet nun eine ordentliche "Start-Zeit".
+ *
+ * Revision 1.13 2001/12/29 03:10:06 alex
+ * - Neue Funktion IRC_MODE() implementiert, div. Aenderungen.
+ * - neue configure-Optione "--enable-strict-rfc".
+ *
+ * Revision 1.12 2001/12/27 19:17:26 alex
+ * - neue Befehle PRIVMSG, NOTICE, PING.
+ *
* Revision 1.11 2001/12/27 16:55:41 alex
* - neu: IRC_WriteStrRelated(), Aenderungen auch in IRC_WriteStrClient().
*
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include "ngircd.h"
#include "client.h"
#include "conf.h"
+#include "conn.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
+#include "tool.h"
#include <exp.h>
#include "irc.h"
#define DISCONNECTED FALSE
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client );
-
LOCAL BOOLEAN Hello_User( CLIENT *Client );
LOCAL BOOLEAN Show_MOTD( CLIENT *Client );
+LOCAL VOID Kill_Nick( CHAR *Nick );
+
GLOBAL VOID IRC_Init( VOID )
{
vsnprintf( buffer, 1000, Format, ap );
va_end( ap );
- if( Client->conn_id != NONE ) send_to = Client->conn_id;
- else send_to = Client->introducer->conn_id;
+ if( Client_Conn( Client ) != NONE ) send_to = Client_Conn( Client );
+ else send_to = Client_Conn( Client_Introducer( Client ));
- if( Prefix ) ok = Conn_WriteStr( Client->conn_id, ":%s %s", Client_GetID( Prefix ), buffer );
- else ok = Conn_WriteStr( Client->conn_id, buffer );
+ if( Prefix ) ok = Conn_WriteStr( Client_Conn( Client ), ":%s %s", Client_Mask( Prefix ), buffer );
+ else ok = Conn_WriteStr( Client_Conn( Client ), buffer );
return ok;
} /* IRC_WriteStrClient */
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type == CLIENT_UNKNOWN )
+ /* Fehler liefern, wenn kein lokaler Client */
+ if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
+
+ if(( Client_Type( Client ) == CLIENT_UNKNOWN ) && ( Req->argc == 1))
+ {
+ /* noch nicht registrierte unbekannte Verbindung */
+ Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client_Conn( Client ));
+
+ /* Passwort speichern */
+ Client_SetPassword( Client, Req->argv[0] );
+
+ 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 )))
{
- Log( LOG_DEBUG, "Connection %d: got PASS command ...", Client->conn_id );
- return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command );
+ /* 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 return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
+ else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
+ {
+ /* Falsche Anzahl Parameter? */
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ }
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_PASS */
+GLOBAL BOOLEAN IRC_SERVER( CLIENT *Client, REQUEST *Req )
+{
+ CHAR str[LINE_LEN], *ptr;
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ /* Fehler liefern, wenn kein lokaler Client */
+ if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
+
+ if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
+ {
+ /* Verbindung soll als Server-Server-Verbindung registriert werden */
+ Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 3 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ist ein Server mit dieser ID bereits registriert? */
+ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
+
+ /* Server-Strukturen fuellen ;-) */
+ Client_SetID( Client, Req->argv[0] );
+ Client_SetToken( Client, atoi( Req->argv[1] ));
+ Client_SetInfo( Client, Req->argv[2] );
+ Client_SetHops( Client, 1 );
+
+ Log( LOG_NOTICE, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), Client_Conn( Client ));
+
+ Client_SetType( Client, CLIENT_SERVER );
+ return CONNECTED;
+ }
+ else if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Neuer Server wird im Netz angekuendigt */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 4 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ist ein Server mit dieser ID bereits registriert? */
+ if( ! Client_CheckID( Client, Req->argv[0] )) return DISCONNECTED;
+
+ /* Ueberfluessige Hostnamen aus Info-Text entfernen */
+ ptr = strchr( Req->argv[3] + 2, '[' );
+ if( ! ptr ) ptr = Req->argv[3];
+
+ /* Neue Client-Struktur anlegen */
+ c = Client_NewRemoteServer( Client, Req->argv[0], atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr );
+ if( ! c )
+ {
+ /* Neue Client-Struktur konnte nicht angelegt werden */
+ Log( LOG_ALERT, "Can't allocate client structure for server! (on connection %d)", Client_Conn( Client ));
+ Conn_Close( Client_Conn( Client ), "Can't allocate client structure for remote server!" );
+ return DISCONNECTED;
+ }
+
+ /* Log-Meldung zusammenbauen und ausgeben */
+ if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Req->prefix );
+ else strcpy( str, "" );
+ Log( LOG_NOTICE, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
+
+ return CONNECTED;
+ }
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+} /* IRC_SERVER */
+
+
+GLOBAL BOOLEAN IRC_NJOIN( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_SERVER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTEREDSERVER_MSG, Client_ID( Client ));
+
+ return CONNECTED;
+} /* IRC_NJOIN */
+
+
GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
{
+ CLIENT *intr_c, *c;
+
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
+ /* Zumindest BitchX sendet NICK-USER in der falschen Reihenfolge. */
+#ifndef STRICT_RFC
+ if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_GOTUSER || Client_Type( Client ) == CLIENT_USER )
+#else
+ if( Client_Type( Client ) == CLIENT_UNKNOWN || Client_Type( Client ) == CLIENT_GOTPASS || Client_Type( Client ) == CLIENT_GOTNICK || Client_Type( Client ) == CLIENT_USER )
+#endif
{
+ /* User-Registrierung bzw. Nick-Aenderung */
+
/* Falsche Anzahl Parameter? */
- if( Req->argc != 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc != 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Ist der Client "restricted"? */
+ if( Client_HasMode( Client, 'r' )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_RESTRICTED_MSG, Client_ID( Client ));
- /* pruefen, ob Nick bereits vergeben */
- if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED;
+ /* Wenn der Client zu seinem eigenen Nick wechseln will, so machen
+ * wir nichts. So macht es das Original und mind. Snak hat probleme,
+ * wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
+#ifndef STRICT_RFC
+ if( strcmp( Client_ID( Client ), Req->argv[0] ) == 0 ) return CONNECTED;
+#endif
+
+ /* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
+ * will nur die Gross- und Kleinschreibung aendern. Das darf
+ * er natuerlich machen :-) */
+ if( strcasecmp( Client_ID( Client ), Req->argv[0] ) != 0 )
+ {
+ if( ! Client_CheckNick( Client, Req->argv[0] )) return CONNECTED;
+ }
- if( Client->type == CLIENT_USER )
+ if( Client_Type( Client ) == CLIENT_USER )
{
/* Nick-Aenderung: allen mitteilen! */
+ Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( Client ), Client_ID( Client ), Req->argv[0] );
IRC_WriteStrRelated( Client, "NICK :%s", Req->argv[0] );
}
/* Client-Nick registrieren */
- strcpy( Client->nick, Req->argv[0] );
+ Client_SetID( Client, Req->argv[0] );
- if( Client->type != CLIENT_USER )
+ if( Client_Type( Client ) != CLIENT_USER )
{
/* 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;
+ Log( LOG_DEBUG, "Connection %d: got NICK command ...", Client_Conn( Client ));
+ if( Client_Type( Client ) == CLIENT_GOTUSER ) return Hello_User( Client );
+ else Client_SetType( Client, CLIENT_GOTNICK );
+ }
+ return CONNECTED;
+ }
+ else if( Client_Type( Client ) == CLIENT_SERVER )
+ {
+ /* Server fuehrt neuen Client ein */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 7 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Nick ueberpruefen */
+ c = Client_GetFromID( Req->argv[0] );
+ if( c )
+ {
+ /* Der neue Nick ist auf diesem Server bereits registriert:
+ * sowohl der neue, als auch der alte Client muessen nun
+ * disconnectiert werden. */
+ Log( LOG_ALERT, "Server %s introduces already registered nick %s!", Client_ID( Client ), Req->argv[0] );
+ Kill_Nick( Req->argv[0] );
+ return CONNECTED;
}
+
+ /* Server, zu dem der Client connectiert ist, suchen */
+ intr_c = Client_GetFromToken( Client, atoi( Req->argv[4] ));
+ if( ! intr_c )
+ {
+ Log( LOG_ALERT, "Server %s introduces nick %s with unknown host server!?", Client_ID( Client ), Req->argv[0] );
+ Kill_Nick( Req->argv[0] );
+ return CONNECTED;
+ }
+
+ /* Neue Client-Struktur anlegen */
+ c = Client_NewRemoteUser( intr_c, Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], atoi( Req->argv[4] ), Req->argv[5], Req->argv[6] );
+ if( ! c )
+ {
+ /* Eine neue Client-Struktur konnte nicht angelegt werden.
+ * Der Client muss disconnectiert werden, damit der Netz-
+ * status konsistent bleibt. */
+ Log( LOG_ALERT, "Can't allocate client structure! (on connection %d)", Client_Conn( Client ));
+ Kill_Nick( Req->argv[0] );
+ return CONNECTED;
+ }
+
+ Log( LOG_NOTICE, "User \"%s\" registered (via %s, on %s, %d hop%s).", Client_ID( c ), Client_ID( Client ), Client_ID( intr_c ), Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
+
return CONNECTED;
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_NICK */
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type == CLIENT_UNKNOWN || Client->type == CLIENT_GOTNICK || Client->type == CLIENT_GOTPASS )
+#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, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc != 4 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- strncpy( Client->user, Req->argv[0], CLIENT_USER_LEN );
- Client->user[CLIENT_USER_LEN] = '\0';
- strncpy( Client->name, Req->argv[3], CLIENT_NAME_LEN );
- Client->name[CLIENT_NAME_LEN] = '\0';
+ Client_SetUser( Client, Req->argv[0] );
+ Client_SetInfo( Client, Req->argv[3] );
- 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;
+ Log( LOG_DEBUG, "Connection %d: got USER command ...", Client_Conn( Client ));
+ if( Client_Type( Client ) == CLIENT_GOTNICK ) return Hello_User( Client );
+ else Client_SetType( Client, CLIENT_GOTUSER );
return CONNECTED;
}
- else if( Client->type == CLIENT_USER || Client->type == CLIENT_SERVER || Client->type == CLIENT_SERVICE )
+ else if( Client_Type( Client ) == CLIENT_USER || Client_Type( Client ) == CLIENT_SERVER || Client_Type( Client ) == CLIENT_SERVICE )
{
- return IRC_WriteStrClient( Client, This_Server, ERR_ALREADYREGISTRED_MSG, Client_Name( Client ));
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
} /* IRC_USER */
assert( Client != NULL );
assert( Req != NULL );
- if( Client->type != CLIENT_SERVER && Client->type != CLIENT_SERVICE )
+ if( Client_Type( Client ) != CLIENT_SERVER && Client_Type( Client ) != CLIENT_SERVICE )
{
/* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- Conn_Close( Client->conn_id, "Client wants to quit." );
+ Conn_Close( Client_Conn( Client ), "Client wants to quit." );
return DISCONNECTED;
}
- else return IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
} /* IRC_QUIT */
assert( Client != NULL );
assert( Req != NULL );
- return IRC_WriteStrClient( Client, This_Server, ERR_UNKNOWNCOMMAND_MSG, Client_Name( Client ), Req->command );
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOORIGIN_MSG, Client_ID( Client ));
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), "PONG %s :%s", Client_ID( Client_ThisServer( )), Client_ID( Client ));
} /* IRC_PING */
assert( Client != NULL );
assert( Req != NULL );
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NOORIGIN_MSG, Client_Name( Client ));
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc < 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOORIGIN_MSG, Client_ID( Client ));
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
* aktualisiert, daher muss das hier nicht mehr gemacht werden. */
- Log( LOG_DEBUG, "Connection %d: received PONG.", Client->conn_id );
+ Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
return CONNECTED;
} /* IRC_PONG */
assert( Client != NULL );
assert( Req != NULL );
- if( ! Check_Valid_User( Client )) return CONNECTED;
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
/* Falsche Anzahl Parameter? */
- if( Req->argc != 0 ) return IRC_WriteStrClient( Client, This_Server, ERR_NEEDMOREPARAMS_MSG, Client_Name( Client ), Req->command );
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
return Show_MOTD( Client );
} /* IRC_MOTD */
-LOCAL BOOLEAN Check_Valid_User( CLIENT *Client )
+GLOBAL BOOLEAN IRC_PRIVMSG( CLIENT *Client, REQUEST *Req )
{
+ CLIENT *to;
+
assert( Client != NULL );
+ assert( Req != NULL );
- if( Client->type != CLIENT_USER )
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc == 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
+ if( Req->argc == 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTEXTTOSEND_MSG, Client_ID( Client ));
+ if( Req->argc > 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
{
- IRC_WriteStrClient( Client, This_Server, ERR_NOTREGISTERED_MSG, Client_Name( Client ));
- return FALSE;
+ /* Okay, Ziel ist ein User */
+ if( Client_Conn( Client ) >= 0 ) Conn_UpdateIdle( Client_Conn( Client ));
+ return IRC_WriteStrClient( to, Client, "PRIVMSG %s :%s", Client_ID( to ), Req->argv[1] );
}
- else return TRUE;
-} /* Check_Valid_User */
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+} /* IRC_PRIVMSG */
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
+
+GLOBAL BOOLEAN IRC_NOTICE( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *to;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return CONNECTED;
+
+ to = Client_Search( Req->argv[0] );
+ if( to )
+ {
+ /* Okay, Ziel ist ein User */
+ return IRC_WriteStrClient( to, Client, "NOTICE %s :%s", Client_ID( to ), Req->argv[1] );
+ }
+
+ return CONNECTED;
+} /* IRC_NOTICE */
+
+
+GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
+{
+ CHAR x[2], new_modes[CLIENT_MODE_LEN], *ptr;
+ BOOLEAN set, ok;
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc > 2 ) || ( Req->argc < 1 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* "Ziel-Client" suchen */
+ c = Client_Search( Req->argv[0] );
+
+ /* Wer ist der Anfragende? */
+ if( Client_Type( Client ) == CLIENT_USER )
+ {
+ /* User: MODE ist nur fuer sich selber zulaessig */
+ if( c != Client ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
+ }
+ else
+ {
+ /* Server: gibt es den Client ueberhaupt? */
+ if( ! c ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
+ }
+
+ /* Werden die Modes erfragt? */
+ if( Req->argc == 1 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_UMODEIS_MSG, Client_ID( Client ), Client_Modes( Client ));
+
+ ptr = Req->argv[1];
+
+ /* Sollen Modes gesetzt oder geloescht werden? */
+ if( *ptr == '+' ) set = TRUE;
+ else if( *ptr == '-' ) set = FALSE;
+ else return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
+
+ /* Reply-String mit Aenderungen vorbereiten */
+ if( set ) strcpy( new_modes, "+" );
+ else strcpy( new_modes, "-" );
+
+ ptr++;
+ ok = TRUE;
+ x[1] = '\0';
+ while( *ptr )
+ {
+ x[0] = '\0';
+ switch( *ptr )
+ {
+ case 'i':
+ /* invisible */
+ x[0] = 'i';
+ break;
+ case 'r':
+ /* restricted (kann nur gesetzt werden) */
+ if( set ) x[0] = 'r';
+ else ok = IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_RESTRICTED_MSG, Client_ID( Client ));
+ break;
+ case 'o':
+ /* operator (kann nur geloescht werden) */
+ if( ! set )
+ {
+ Client_SetOperByMe( Client, FALSE );
+ x[0] = 'o';
+ }
+ else ok = IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
+ break;
+ default:
+ ok = IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Client ));
+ x[0] = '\0';
+ }
+ if( ! ok ) break;
+
+ ptr++;
+ if( ! x[0] ) continue;
+
+ /* Okay, gueltigen Mode gefunden */
+ if( set )
+ {
+ /* Mode setzen. Wenn der Client ihn noch nicht hatte: merken */
+ if( Client_ModeAdd( Client, x[0] )) strcat( new_modes, x );
+ }
+ else
+ {
+ /* Modes geloescht. Wenn der Client ihn hatte: merken */
+ if( Client_ModeDel( Client, x[0] )) strcat( new_modes, x );
+ }
+ }
+
+ /* Geanderte Modes? */
+ if( new_modes[1] && ok )
+ {
+ ok = IRC_WriteStrRelated( Client, "MODE %s :%s", Client_ID( Client ), new_modes );
+ Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Client ), Client_Modes( Client ));
+ }
+ return ok;
+} /* IRC_MODE */
+
+
+GLOBAL BOOLEAN IRC_OPER( CLIENT *Client, REQUEST *Req )
+{
+ INT i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 2 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Operator suchen */
+ for( i = 0; i < Conf_Oper_Count; i++)
+ {
+ if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
+ }
+ if( i >= Conf_Oper_Count ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
+
+ /* Stimmt der Name und das Passwort? */
+ if(( strcmp( Conf_Oper[i].name, Req->argv[0] ) != 0 ) || ( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
+
+ if( ! Client_HasMode( Client, 'o' ))
+ {
+ /* noch kein o-Mode gesetzt */
+ Client_ModeAdd( Client, 'o' );
+ if( ! IRC_WriteStrRelated( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
+ }
+
+ if( ! Client_OperByMe( Client )) Log( LOG_NOTICE, "User \"%s\" is now an IRC Operator.", Client_Mask( Client ));
+
+ Client_SetOperByMe( Client, TRUE );
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_YOUREOPER_MSG, Client_ID( Client ));
+} /* IRC_OPER */
+
+
+GLOBAL BOOLEAN IRC_DIE( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+
+ Log( LOG_NOTICE, "Got DIE command from \"%s\", going down!", Client_Mask( Client ));
+ NGIRCd_Quit = TRUE;
+ return CONNECTED;
+} /* IRC_DIE */
+
+
+GLOBAL BOOLEAN IRC_RESTART( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
+
+ Log( LOG_NOTICE, "Got RESTART command from \"%s\", going down!", Client_Mask( Client ));
+ NGIRCd_Restart = TRUE;
+ return CONNECTED;
+} /* IRC_RESTART */
+
+
+GLOBAL BOOLEAN IRC_NAMES( CLIENT *Client, REQUEST *Req )
+{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc != 0 ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Noch alle User ausgeben, die in keinem Channel sind */
+ rpl[0] = '\0';
+ c = Client_First( );
+ while( c )
+ {
+ if( Client_Type( c ) == CLIENT_USER )
+ {
+ /* Okay, das ist ein User */
+ strcat( rpl, Client_ID( c ));
+ strcat( rpl, " " );
+ }
+
+ /* Antwort zu lang? Splitten. */
+ if( strlen( rpl ) > 480 )
+ {
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+ if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
+ rpl[0] = '\0';
+ }
+
+ 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, Client_ThisServer( ), RPL_NAMREPLY_MSG, Client_ID( Client ), "*", "*", rpl )) return DISCONNECTED;
+ }
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_ENDOFNAMES_MSG, Client_ID( Client ), "*" );
+} /* IRC_NAMES */
+
+
+GLOBAL BOOLEAN IRC_ISON( CLIENT *Client, REQUEST *Req )
{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+ CHAR *ptr;
+ INT i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ strcpy( rpl, RPL_ISON_MSG );
+ for( i = 0; i < Req->argc; i++ )
+ {
+ ptr = strtok( Req->argv[i], " " );
+ while( ptr )
+ {
+ ngt_TrimStr( ptr );
+ c = Client_GetFromID( ptr );
+ if( c && ( Client_Type( c ) == CLIENT_USER ))
+ {
+ /* Dieser Nick ist "online" */
+ strcat( rpl, ptr );
+ strcat( rpl, " " );
+ }
+ ptr = strtok( NULL, " " );
+ }
+ }
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), rpl, Client_ID( Client ) );
+} /* IRC_ISON */
+
+
+GLOBAL BOOLEAN IRC_WHOIS( CLIENT *Client, REQUEST *Req )
+{
+ CLIENT *c;
+
assert( Client != NULL );
- assert( Client->nick[0] );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 ) || ( Req->argc > 2 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ /* Client suchen */
+ c = Client_GetFromID( Req->argv[0] );
+ if(( ! c ) || ( Client_Type( c ) != CLIENT_USER )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
- Log( LOG_NOTICE, "User \"%s!%s@%s\" (%s) registered.", Client->nick, Client->user, Client->host, Client->name );
+ /* Nick, User und Name */
+ if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WHOISUSER_MSG, Client_ID( Client ), Client_ID( c ), Client_User( c ), Client_Hostname( c ), Client_Info( c ))) return DISCONNECTED;
- 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->host );
- IRC_WriteStrClient( Client, This_Server, RPL_CREATED_MSG, Client->nick );
- IRC_WriteStrClient( Client, This_Server, RPL_MYINFO_MSG, Client->nick, This_Server->host );
+ /* Server */
+ if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WHOISSERVER_MSG, Client_ID( Client ), Client_ID( c ), Client_ID( Client_Introducer( c )), Client_Info( Client_Introducer( c )))) return DISCONNECTED;
- Client->type = CLIENT_USER;
+ /* IRC-Operator? */
+ if( Client_HasMode( c, 'o' ))
+ {
+ if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WHOISOPERATOR_MSG, Client_ID( Client ), Client_ID( c ))) return DISCONNECTED;
+ }
+
+ /* Idle (nur lokale Clients) */
+ if( Client_Conn( c ) > NONE )
+ {
+ if( ! IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WHOISIDLE_MSG, Client_ID( Client ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
+ }
+
+ /* End of Whois */
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_ENDOFWHOIS_MSG, Client_ID( Client ), Client_ID( c ));
+} /* IRC_WHOIS */
+
+
+GLOBAL BOOLEAN IRC_USERHOST( CLIENT *Client, REQUEST *Req )
+{
+ CHAR rpl[COMMAND_LEN];
+ CLIENT *c;
+ INT max, i;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ if( Client_Type( Client ) != CLIENT_USER ) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+
+ /* Falsche Anzahl Parameter? */
+ if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc > 5 ) max = 5;
+ else max = Req->argc;
+
+ strcpy( rpl, RPL_USERHOST_MSG );
+ for( i = 0; i < max; i++ )
+ {
+ c = Client_GetFromID( Req->argv[i] );
+ if( c && ( Client_Type( c ) == CLIENT_USER ))
+ {
+ /* Dieser Nick ist "online" */
+ strcat( rpl, Client_ID( c ));
+ if( Client_HasMode( c, 'o' )) strcat( rpl, "*" );
+ strcat( rpl, "=" );
+ if( Client_HasMode( c, 'a' )) strcat( rpl, "-" );
+ else strcat( rpl, "+" );
+ strcat( rpl, Client_User( c ));
+ strcat( rpl, "@" );
+ strcat( rpl, Client_Hostname( c ));
+ strcat( rpl, " " );
+ }
+ }
+ if( rpl[strlen( rpl ) - 1] == ' ' ) rpl[strlen( rpl ) - 1] = '\0';
+
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), rpl, Client_ID( Client ) );
+} /* IRC_USERHOST */
+
+
+GLOBAL BOOLEAN IRC_ERROR( CLIENT *Client, REQUEST *Req )
+{
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ 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] );
+
+ return CONNECTED;
+} /* IRC_ERROR */
+
+
+LOCAL BOOLEAN Hello_User( CLIENT *Client )
+{
+ assert( Client != NULL );
+
+ /* Passwort ueberpruefen */
+ if( strcmp( Client_Password( Client ), Conf_ServerPwd ) != 0 )
+ {
+ /* Falsches Passwort */
+ Log( LOG_ALERT, "User \"%s\" rejected (connection %d): Bad password!", Client_Mask( Client ), Client_Conn( Client ));
+ Conn_Close( Client_Conn( Client ), "Bad password!" );
+ return DISCONNECTED;
+ }
+
+ Log( LOG_NOTICE, "User \"%s\" registered (connection %d).", Client_Mask( Client ), Client_Conn( Client ));
+
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ));
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr );
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
+
+ Client_SetType( Client, CLIENT_USER );
return Show_MOTD( Client );
} /* Hello_User */
FILE *fd;
assert( Client != NULL );
- assert( Client->nick[0] );
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, This_Server, ERR_NOMOTD_MSG, Client->nick );
+ return IRC_WriteStrClient( Client, Client_ThisServer( ), ERR_NOMOTD_MSG, Client_ID( Client ) );
}
- IRC_WriteStrClient( Client, This_Server, RPL_MOTDSTART_MSG, Client->nick, This_Server->host );
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )));
while( TRUE )
{
if( ! fgets( line, 126, fd )) break;
if( line[strlen( line ) - 1] == '\n' ) line[strlen( line ) - 1] = '\0';
- IRC_WriteStrClient( Client, This_Server, RPL_MOTD_MSG, Client->nick, line );
+ IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_MOTD_MSG, Client_ID( Client ), line );
}
- ok = IRC_WriteStrClient( Client, This_Server, RPL_ENDOFMOTD_MSG, Client->nick );
+ ok = IRC_WriteStrClient( Client, Client_ThisServer( ), RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
fclose( fd );
} /* Show_MOTD */
+LOCAL VOID Kill_Nick( CHAR *Nick )
+{
+ Log( LOG_ALERT, "User(s) with nick \"%s\" will be disconnected!", Nick );
+ /* FIXME */
+ Log( LOG_ALERT, "[Kill_Nick() not implemented - OOOPS!]" );
+} /* Kill_Nick */
+
+
/* -eof- */
projects / ngircd-alex.git / blobdiff