/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2007 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-server.c,v 1.23 2002/11/30 15:04:57 alex Exp $
- *
- * irc-server.c: IRC-Befehle fuer Server-Links
+ * IRC commands for server links
*/
#include "portab.h"
+static char UNUSED id[] = "$Id: irc-server.c,v 1.46 2007/11/21 12:16:36 alex Exp $";
+
#include "imp.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <strings.h>
+#include "defines.h"
#include "resolve.h"
-#include "conf.h"
#include "conn.h"
+#include "conn-zip.h"
+#include "conf.h"
#include "client.h"
#include "channel.h"
#include "irc-write.h"
+#include "lists.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
+#include "numeric.h"
#include "ngircd.h"
+#include "irc-info.h"
#include "exp.h"
#include "irc-server.h"
-GLOBAL BOOLEAN
+/**
+ * Handler for the IRC command "SERVER".
+ * See RFC 2813 section 4.1.2.
+ */
+GLOBAL bool
IRC_SERVER( CLIENT *Client, REQUEST *Req )
{
- CHAR str[LINE_LEN], *ptr;
- CLIENT *from, *c, *cl;
- CL2CHAN *cl2chan;
- INT max_hops, i;
- CHANNEL *chan;
- BOOLEAN ok;
+ char str[LINE_LEN], *ptr;
+ CLIENT *from, *c;
+ bool ok;
+ int i;
CONN_ID con;
assert( Client != NULL );
assert( Req != NULL );
- /* Fehler liefern, wenn kein lokaler Client */
- if( Client_Conn( Client ) <= NONE ) return IRC_WriteStrClient( Client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( Client ), Req->command );
+ /* Return an error if this is not a local client */
+ if (Client_Conn(Client) <= NONE)
+ return IRC_WriteStrClient(Client, ERR_UNKNOWNCOMMAND_MSG,
+ Client_ID(Client), Req->command);
- if( Client_Type( Client ) == CLIENT_GOTPASSSERVER )
- {
- /* Verbindung soll als Server-Server-Verbindung registriert werden */
- Log( LOG_DEBUG, "Connection %d: got SERVER command (new server link) ...", Client_Conn( Client ));
+ if (Client_Type(Client) == CLIENT_GOTPASS) {
+ /* We got a PASS command from the peer, and now a SERVER
+ * command: the peer tries to register itself as a server. */
+ LogDebug("Connection %d: got SERVER command (new server link) ...",
+ Client_Conn(Client));
/* Falsche Anzahl Parameter? */
if(( Req->argc != 2 ) && ( Req->argc != 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
/* Ist dieser Server bei uns konfiguriert? */
- for( i = 0; i < Conf_Server_Count; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
- if( i >= Conf_Server_Count )
+ for( i = 0; i < MAX_SERVERS; i++ ) if( strcasecmp( Req->argv[0], Conf_Server[i].name ) == 0 ) break;
+ if( i >= MAX_SERVERS )
{
/* Server ist nicht konfiguriert! */
Log( LOG_ERR, "Connection %d: Server \"%s\" not configured here!", Client_Conn( Client ), Req->argv[0] );
- Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", TRUE );
+ Conn_Close( Client_Conn( Client ), NULL, "Server not configured here", true);
return DISCONNECTED;
}
if( strcmp( Client_Password( Client ), Conf_Server[i].pwd_in ) != 0 )
{
/* Falsches Passwort */
Log( LOG_ERR, "Connection %d: Got bad password from server \"%s\"!", Client_Conn( Client ), Req->argv[0] );
- Conn_Close( Client_Conn( Client ), NULL, "Bad password", TRUE );
+ Conn_Close( Client_Conn( Client ), NULL, "Bad password", true);
return DISCONNECTED;
}
if( Client_Token( Client ) != TOKEN_OUTBOUND )
{
/* Eingehende Verbindung: Unseren SERVER- und PASS-Befehl senden */
- ok = TRUE;
- if( ! IRC_WriteStrClient( Client, "PASS %s %s", Conf_Server[i].pwd_out, NGIRCd_ProtoID )) ok = FALSE;
+ ok = true;
+ if( ! IRC_WriteStrClient( Client, "PASS %s %s", Conf_Server[i].pwd_out, NGIRCd_ProtoID )) ok = false;
else ok = IRC_WriteStrClient( Client, "SERVER %s 1 :%s", Conf_ServerName, Conf_ServerInfo );
if( ! ok )
{
- Conn_Close( con, "Unexpected server behavior!", NULL, FALSE );
+ Conn_Close( con, "Unexpected server behavior!", NULL, false );
return DISCONNECTED;
}
Client_SetIntroducer( Client, Client );
Client_SetToken( Client, atoi( Req->argv[1] ));
}
- Log( LOG_NOTICE|LOG_snotice, "Server \"%s\" registered (connection %d, 1 hop - direct link).", Client_ID( Client ), con );
-
- Client_SetType( Client, CLIENT_SERVER );
- Conn_SetServer( con, i );
+ /* Mark this connection as belonging to an configured server */
+ Conf_SetServer(i, con);
+
+ Client_SetType(Client, CLIENT_UNKNOWNSERVER);
-#ifdef USE_ZLIB
+#ifdef ZLIB
/* Kompression initialisieren, wenn erforderlich */
if( strchr( Client_Flags( Client ), 'Z' ))
{
- if( ! Conn_InitZip( con ))
+ if( ! Zip_InitConn( con ))
{
/* Fehler! */
- Conn_Close( con, "Can't inizialize compression (zlib)!", NULL, FALSE );
+ Conn_Close( con, "Can't inizialize compression (zlib)!", NULL, false );
return DISCONNECTED;
}
}
#endif
- /* maximalen Hop Count ermitteln */
- max_hops = 0;
- c = Client_First( );
- while( c )
- {
- if( Client_Hops( c ) > max_hops ) max_hops = Client_Hops( c );
- c = Client_Next( c );
- }
-
- /* Alle bisherigen Server dem neuen Server bekannt machen,
- * die bisherigen Server ueber den neuen informierenn */
- for( i = 0; i < ( max_hops + 1 ); i++ )
- {
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_SERVER ) && ( c != Client ) && ( c != Client_ThisServer( )) && ( Client_Hops( c ) == i ))
- {
- if( Client_Conn( c ) > NONE )
- {
- /* Dem gefundenen Server gleich den neuen
- * Server bekannt machen */
- if( ! IRC_WriteStrClient( c, "SERVER %s %d %d :%s", Client_ID( Client ), Client_Hops( Client ) + 1, Client_MyToken( Client ), Client_Info( Client ))) return DISCONNECTED;
- }
-
- /* Den neuen Server ueber den alten informieren */
- if( ! IRC_WriteStrClientPrefix( Client, Client_Hops( c ) == 1 ? Client_ThisServer( ) : Client_Introducer( c ), "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ))) return DISCONNECTED;
- }
- c = Client_Next( c );
- }
- }
-
- /* alle User dem neuen Server bekannt machen */
- c = Client_First( );
- while( c )
- {
- if( Client_Type( c ) == CLIENT_USER )
- {
- /* User an neuen Server melden */
- if( ! IRC_WriteStrClient( Client, "NICK %s %d %s %s %d +%s :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_User( c ), Client_Hostname( c ), Client_MyToken( Client_Introducer( c )), Client_Modes( c ), Client_Info( c ))) return DISCONNECTED;
- }
- c = Client_Next( c );
- }
-
- /* Channels dem neuen Server bekannt machen */
- chan = Channel_First( );
- while( chan )
- {
#ifdef IRCPLUS
- /* Wenn unterstuetzt, CHANINFO senden */
- if( strchr( Client_Flags( Client ), 'C' ))
- {
- /* CHANINFO senden */
- if( ! IRC_WriteStrClient( Client, "CHANINFO %s +%s :%s", Channel_Name( chan ), Channel_Modes( chan ), Channel_Topic( chan ))) return DISCONNECTED;
- }
+ if (strchr(Client_Flags(Client), 'H')) {
+ LogDebug("Peer supports IRC+ extended server handshake ...");
+ if (!IRC_Send_ISUPPORT(Client))
+ return DISCONNECTED;
+ return IRC_WriteStrClient(Client, RPL_ENDOFMOTD_MSG,
+ Client_ID(Client));
+ } else {
#endif
-
- /* alle Member suchen */
- cl2chan = Channel_FirstMember( chan );
- sprintf( str, "NJOIN %s :", Channel_Name( chan ));
- while( cl2chan )
- {
- cl = Channel_GetClient( cl2chan );
- assert( cl != NULL );
-
- /* Nick, ggf. mit Modes, anhaengen */
- if( str[strlen( str ) - 1] != ':' ) strcat( str, "," );
- if( strchr( Channel_UserModes( chan, cl ), 'v' )) strcat( str, "+" );
- if( strchr( Channel_UserModes( chan, cl ), 'o' )) strcat( str, "@" );
- strcat( str, Client_ID( cl ));
-
- if( strlen( str ) > ( LINE_LEN - CLIENT_NICK_LEN - 8 ))
- {
- /* Zeile senden */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- sprintf( str, "NJOIN %s :", Channel_Name( chan ));
- }
-
- cl2chan = Channel_NextMember( chan, cl2chan );
- }
-
- /* noch Daten da? */
- if( str[strlen( str ) - 1] != ':')
- {
- /* Ja; Also senden ... */
- if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
- }
-
- /* naechsten Channel suchen */
- chan = Channel_Next( chan );
+ if (Conf_MaxNickLength != CLIENT_NICK_LEN_DEFAULT)
+ Log(LOG_CRIT,
+ "Attention: this server uses a non-standard nick length, but the peer doesn't support the IRC+ extended server handshake!");
+#ifdef IRCPLUS
}
-
- return CONNECTED;
+#endif
+
+ return IRC_Num_ENDOFMOTD(Client, Req);
}
else if( Client_Type( Client ) == CLIENT_SERVER )
{
{
/* Hm, Server, der diesen einfuehrt, ist nicht bekannt!? */
Log( LOG_ALERT, "Unknown ID in prefix of SERVER: \"%s\"! (on connection %d)", Req->prefix, Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", TRUE );
+ Conn_Close( Client_Conn( Client ), NULL, "Unknown ID in prefix of SERVER", true);
return DISCONNECTED;
}
/* Neue Client-Struktur anlegen */
- c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, TRUE );
+ c = Client_NewRemoteServer( Client, Req->argv[0], from, atoi( Req->argv[1] ), atoi( Req->argv[2] ), ptr, true);
if( ! c )
{
/* Neue Client-Struktur konnte nicht angelegt werden */
Log( LOG_ALERT, "Can't create client structure for server! (on connection %d)", Client_Conn( Client ));
- Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", TRUE );
+ Conn_Close( Client_Conn( Client ), NULL, "Can't allocate client structure for remote server", true);
return DISCONNECTED;
}
/* Log-Meldung zusammenbauen und ausgeben */
- if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) sprintf( str, "connected to %s, ", Client_ID( from ));
+ if(( Client_Hops( c ) > 1 ) && ( Req->prefix[0] )) snprintf( str, sizeof( str ), "connected to %s, ", Client_ID( from ));
else strcpy( str, "" );
Log( LOG_NOTICE|LOG_snotice, "Server \"%s\" registered (via %s, %s%d hop%s).", Client_ID( c ), Client_ID( Client ), str, Client_Hops( c ), Client_Hops( c ) > 1 ? "s": "" );
IRC_WriteStrServersPrefix( Client, from, "SERVER %s %d %d :%s", Client_ID( c ), Client_Hops( c ) + 1, Client_MyToken( c ), Client_Info( c ));
return CONNECTED;
- }
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ } else
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
} /* IRC_SERVER */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_NJOIN( CLIENT *Client, REQUEST *Req )
{
- CHAR str[COMMAND_LEN], *channame, *ptr, modes[8];
- BOOLEAN is_op, is_voiced;
+ char nick_in[COMMAND_LEN], nick_out[COMMAND_LEN], *channame, *ptr, modes[8];
+ bool is_op, is_voiced;
CHANNEL *chan;
CLIENT *c;
/* Falsche Anzahl Parameter? */
if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- strncpy( str, Req->argv[1], COMMAND_LEN - 1 );
- str[COMMAND_LEN - 1] = '\0';
+ strlcpy( nick_in, Req->argv[1], sizeof( nick_in ));
+ strcpy( nick_out, "" );
channame = Req->argv[0];
- ptr = strtok( str, "," );
+ ptr = strtok( nick_in, "," );
while( ptr )
{
- is_op = is_voiced = FALSE;
+ is_op = is_voiced = false;
/* Prefixe abschneiden */
while(( *ptr == '@' ) || ( *ptr == '+' ))
{
- if( *ptr == '@' ) is_op = TRUE;
- if( *ptr == '+' ) is_voiced = TRUE;
+ if( *ptr == '@' ) is_op = true;
+ if( *ptr == '+' ) is_voiced = true;
ptr++;
}
if( is_voiced ) Channel_UserModeAdd( chan, c, 'v' );
/* im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, c, FALSE, "JOIN :%s", channame );
+ IRC_WriteStrChannelPrefix( Client, chan, c, false, "JOIN :%s", channame );
/* Channel-User-Modes setzen */
- strcpy( modes, Channel_UserModes( chan, c ));
+ strlcpy( modes, Channel_UserModes( chan, c ), sizeof( modes ));
if( modes[0] )
{
/* Modes im Channel bekannt machen */
- IRC_WriteStrChannelPrefix( Client, chan, Client, FALSE, "MODE %s +%s %s", channame, modes, Client_ID( c ));
+ IRC_WriteStrChannelPrefix( Client, chan, Client, false, "MODE %s +%s %s", channame, modes, Client_ID( c ));
}
+
+ if( nick_out[0] != '\0' ) strlcat( nick_out, ",", sizeof( nick_out ));
+ if( is_op ) strlcat( nick_out, "@", sizeof( nick_out ));
+ if( is_voiced ) strlcat( nick_out, "+", sizeof( nick_out ));
+ strlcat( nick_out, ptr, sizeof( nick_out ));
}
else Log( LOG_ERR, "Got NJOIN for unknown nick \"%s\" for channel \"%s\"!", ptr, channame );
}
/* an andere Server weiterleiten */
- IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], Req->argv[1] );
+ if( nick_out[0] != '\0' ) IRC_WriteStrServersPrefix( Client, Client_ThisServer( ), "NJOIN %s :%s", Req->argv[0], nick_out );
return CONNECTED;
} /* IRC_NJOIN */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_SQUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
- CHAR msg[LINE_LEN + 64];
+ char msg[LINE_LEN + 64];
assert( Client != NULL );
assert( Req != NULL );
if( Req->argv[1][0] )
{
if( strlen( Req->argv[1] ) > LINE_LEN ) Req->argv[1][LINE_LEN] = '\0';
- sprintf( msg, "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
+ snprintf( msg, sizeof( msg ), "%s (SQUIT from %s).", Req->argv[1], Client_ID( Client ));
}
- else sprintf( msg, "Got SQUIT from %s.", Client_ID( Client ));
+ else snprintf( msg, sizeof( msg ), "Got SQUIT from %s.", Client_ID( Client ));
if( Client_Conn( target ) > NONE )
{
/* dieser Server hat die Connection */
- if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], TRUE );
- else Conn_Close( Client_Conn( target ), msg, NULL, TRUE );
+ if( Req->argv[1][0] ) Conn_Close( Client_Conn( target ), msg, Req->argv[1], true);
+ else Conn_Close( Client_Conn( target ), msg, NULL, true);
return DISCONNECTED;
}
else
{
/* Verbindung hielt anderer Server */
- Client_Destroy( target, msg, Req->argv[1], FALSE );
+ Client_Destroy( target, msg, Req->argv[1], false );
return CONNECTED;
}
} /* IRC_SQUIT */
projects / ngircd-alex.git / blobdiff