* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
- * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
- * der GNU General Public License (GPL), wie von der Free Software Foundation
- * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
- * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
- * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
*
- * $Id: irc-login.c,v 1.8 2002/03/12 14:37:52 alex Exp $
- *
- * irc-login.c: Anmeldung und Abmeldung im IRC
+ * Login and logout
*/
#include "portab.h"
+static char UNUSED id[] = "$Id: irc-login.c,v 1.33 2003/01/08 22:28:12 alex Exp $";
+
#include "imp.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "ngircd.h"
+#include "resolve.h"
+#include "conn-func.h"
#include "conf.h"
-#include "irc.h"
-#include "irc-write.h"
+#include "client.h"
+#include "channel.h"
#include "log.h"
#include "messages.h"
+#include "parse.h"
+#include "irc.h"
+#include "irc-info.h"
+#include "irc-write.h"
#include "exp.h"
#include "irc-login.h"
-LOCAL BOOLEAN Hello_User( CLIENT *Client );
-LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason );
+LOCAL BOOLEAN Hello_User PARAMS(( CLIENT *Client ));
+LOCAL VOID Kill_Nick PARAMS(( CHAR *Nick, CHAR *Reason ));
-GLOBAL BOOLEAN IRC_PASS( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_PASS( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
}
else if((( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER )) && (( Req->argc == 3 ) || ( Req->argc == 4 )))
{
+ CHAR c2, c4, *type, *impl, *serverver, *flags, *ptr, *ircflags;
+ INT protohigh, protolow;
+
/* 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] );
+ /* Protokollversion ermitteln */
+ if( strlen( Req->argv[1] ) >= 4 )
+ {
+ c2 = Req->argv[1][2];
+ c4 = Req->argv[1][4];
+
+ Req->argv[1][4] = '\0';
+ protolow = atoi( &Req->argv[1][2] );
+ Req->argv[1][2] = '\0';
+ protohigh = atoi( Req->argv[1] );
+
+ Req->argv[1][2] = c2;
+ Req->argv[1][4] = c4;
+ }
+ else protohigh = protolow = 0;
+
+ /* Protokoll-Typ */
+ if( strlen( Req->argv[1] ) > 4 ) type = &Req->argv[1][4];
+ else type = NULL;
+
+ /* IRC-Flags (nach RFC 2813) */
+ if( Req->argc >= 4 ) ircflags = Req->argv[3];
+ else ircflags = "";
+
+ /* Implementation, Version und ngIRCd-Flags */
+ impl = Req->argv[2];
+ ptr = strchr( impl, '|' );
+ if( ptr ) *ptr = '\0';
+
+ if( type && ( strcmp( type, PROTOIRCPLUS ) == 0 ))
+ {
+ /* auf der anderen Seite laeuft ein Server, der
+ * ebenfalls das IRC+-Protokoll versteht */
+ serverver = ptr + 1;
+ flags = strchr( serverver, ':' );
+ if( flags )
+ {
+ *flags = '\0';
+ flags++;
+ }
+ else flags = "";
+ Log( LOG_INFO, "Peer announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").", impl, serverver, protohigh, protolow, flags );
+ }
+ else
+ {
+ /* auf der anderen Seite laeuft ein Server, der
+ * nur das Originalprotokoll unterstuetzt */
+ serverver = "";
+ if( strchr( ircflags, 'Z' )) flags = "Z";
+ else flags = "";
+ Log( LOG_INFO, "Peer announces itself as \"%s\" using protocol %d.%d (flags: \"%s\").", impl, protohigh, protolow, flags );
+ }
+
Client_SetType( Client, CLIENT_GOTPASSSERVER );
+ Client_SetFlags( Client, flags );
+
return CONNECTED;
}
else if(( Client_Type( Client ) == CLIENT_UNKNOWN ) || ( Client_Type( Client ) == CLIENT_UNKNOWNSERVER ))
} /* IRC_PASS */
-GLOBAL BOOLEAN IRC_NICK( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_NICK( CLIENT *Client, REQUEST *Req )
{
CLIENT *intr_c, *target, *c;
CHAR *modes;
/* "Ziel-Client" ermitteln */
if( Client_Type( Client ) == CLIENT_SERVER )
{
- target = Client_GetFromID( Req->prefix );
+ target = Client_Search( Req->prefix );
if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->argv[0] );
}
else
* wenn wir es nicht so machen. Ob es so okay ist? Hm ... */
if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) return CONNECTED;
#endif
-
+
/* pruefen, ob Nick bereits vergeben. Speziallfall: der Client
* will nur die Gross- und Kleinschreibung aendern. Das darf
* er natuerlich machen :-) */
else
{
/* Nick-Aenderung */
- Log( LOG_INFO, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
+ if( Client_Conn( target ) > NONE )
+ {
+ /* lokaler Client */
+ Log( LOG_INFO, "User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".", Client_Mask( target ), Client_Conn( target ), Client_ID( target ), Req->argv[0] );
+ }
+ else
+ {
+ /* Remote-Client */
+ Log( LOG_DEBUG, "User \"%s\" changed nick: \"%s\" -> \"%s\".", Client_Mask( target ), Client_ID( target ), Req->argv[0] );
+ }
/* alle betroffenen User und Server ueber Nick-Aenderung informieren */
if( Client_Type( Client ) == CLIENT_USER ) IRC_WriteStrClientPrefix( Client, Client, "NICK :%s", Req->argv[0] );
if( Req->argc != 7 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Nick ueberpruefen */
- c = Client_GetFromID( Req->argv[0] );
+ c = Client_Search( Req->argv[0] );
if( c )
{
/* Der neue Nick ist auf diesem Server bereits registriert:
} /* IRC_NICK */
-GLOBAL BOOLEAN IRC_USER( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_USER( CLIENT *Client, REQUEST *Req )
{
assert( Client != NULL );
assert( Req != NULL );
} /* IRC_USER */
-GLOBAL BOOLEAN IRC_QUIT( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_QUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) == CLIENT_USER ) || ( Client_Type( Client ) == CLIENT_SERVICE ))
- {
- /* User / Service */
-
- /* Falsche Anzahl Parameter? */
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
- if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
- else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
-
- return DISCONNECTED;
- }
- else if ( Client_Type( Client ) == CLIENT_SERVER )
+ if ( Client_Type( Client ) == CLIENT_SERVER )
{
/* Server */
return CONNECTED;
}
- else return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
+ else
+ {
+ /* User, Service, oder noch nicht registriert */
+
+ /* Falsche Anzahl Parameter? */
+ if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+
+ if( Req->argc == 0 ) Conn_Close( Client_Conn( Client ), "Got QUIT command.", NULL, TRUE );
+ else Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argv[0], TRUE );
+
+ return DISCONNECTED;
+ }
} /* IRC_QUIT */
-GLOBAL BOOLEAN IRC_PING( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_PING( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
#ifdef STRICT_RFC
if( Req->argc > 1 )
{
/* es wurde ein Ziel-Client angegeben */
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+ target = Client_Search( Req->argv[1] );
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
if( target != Client_ThisServer( ))
{
/* ok, forwarden */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ 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 );
return IRC_WriteStrClientPrefix( target, from, "PING %s :%s", Client_ID( from ), Req->argv[1] );
} /* IRC_PING */
-GLOBAL BOOLEAN IRC_PONG( CLIENT *Client, REQUEST *Req )
+GLOBAL BOOLEAN
+IRC_PONG( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
assert( Client != NULL );
assert( Req != NULL );
- if(( Client_Type( Client ) != CLIENT_USER ) && ( Client_Type( Client ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOTREGISTERED_MSG, Client_ID( Client ));
-
/* Falsche Anzahl Parameter? */
if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NOORIGIN_MSG, Client_ID( Client ));
if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* forwarden? */
if( Req->argc == 2 )
{
- target = Client_GetFromID( Req->argv[1] );
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
+ target = Client_Search( Req->argv[1] );
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[1] );
if( target != Client_ThisServer( ))
{
/* ok, forwarden */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_GetFromID( Req->prefix );
+ 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 );
return IRC_WriteStrClientPrefix( target, from, "PONG %s :%s", Client_ID( from ), Req->argv[1] );
}
/* Der Connection-Timestamp wurde schon beim Lesen aus dem Socket
- * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
+ * aktualisiert, daher muss das hier nicht mehr gemacht werden. */
if( Client_Conn( Client ) > NONE ) Log( LOG_DEBUG, "Connection %d: received PONG. Lag: %ld seconds.", Client_Conn( Client ), time( NULL ) - Conn_LastPing( Client_Conn( Client )));
else Log( LOG_DEBUG, "Connection %d: received PONG.", Client_Conn( Client ));
} /* IRC_PONG */
-LOCAL BOOLEAN Hello_User( CLIENT *Client )
+LOCAL BOOLEAN
+Hello_User( CLIENT *Client )
{
assert( Client != NULL );
IRC_WriteStrServers( NULL, "NICK %s 1 %s %s 1 +%s :%s", Client_ID( Client ), Client_User( Client ), Client_Hostname( Client ), Client_Modes( Client ), Client_Info( Client ));
if( ! IRC_WriteStrClient( Client, RPL_WELCOME_MSG, Client_ID( Client ), Client_Mask( Client ))) return FALSE;
- if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_YOURHOST_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), VERSION, TARGET_CPU, TARGET_VENDOR, TARGET_OS )) return FALSE;
if( ! IRC_WriteStrClient( Client, RPL_CREATED_MSG, Client_ID( Client ), NGIRCd_StartStr )) return FALSE;
- if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return FALSE;
+ if( ! IRC_WriteStrClient( Client, RPL_MYINFO_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )), VERSION, USERMODES, CHANMODES )) return FALSE;
+
+ /* Features */
+ if( ! IRC_WriteStrClient( Client, RPL_ISUPPORT_MSG, Client_ID( Client ), CLIENT_NICK_LEN - 1, CHANNEL_TOPIC_LEN - 1, CLIENT_AWAY_LEN - 1, Conf_MaxJoins )) return DISCONNECTED;
Client_SetType( Client, CLIENT_USER );
} /* Hello_User */
-LOCAL VOID Kill_Nick( CHAR *Nick, CHAR *Reason )
+LOCAL VOID
+Kill_Nick( CHAR *Nick, CHAR *Reason )
{
- CLIENT *c;
+ REQUEST r;
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 );
+ r.prefix = Client_ThisServer( );
+ r.argv[0] = Nick;
+ r.argv[1] = Reason;
+ r.argc = 2;
- /* Ggf. einen eigenen Client toeten */
- c = Client_GetFromID( Nick );
- if( c && ( Client_Conn( c ) != NONE )) Conn_Close( Client_Conn( c ), NULL, Reason, TRUE );
+ Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
+ IRC_KILL( Client_ThisServer( ), &r );
} /* Kill_Nick */
projects / ngircd-alex.git / blobdiff