170 lines
4.0 KiB
C
170 lines
4.0 KiB
C
/*
|
|
* ngIRCd -- The Next Generation IRC Daemon
|
|
* Copyright (c)2001 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.
|
|
*
|
|
* $Id: ngircd.c,v 1.4 2001/12/12 01:58:53 alex Exp $
|
|
*
|
|
* ngircd.c: Hier beginnt alles ;-)
|
|
*
|
|
* $Log: ngircd.c,v $
|
|
* Revision 1.4 2001/12/12 01:58:53 alex
|
|
* - Test auf socklen_t verbessert.
|
|
*
|
|
* Revision 1.3 2001/12/12 01:40:39 alex
|
|
* - ein paar mehr Kommentare; Variablennamen verstaendlicher gemacht.
|
|
* - fehlenden Header <arpa/inet.h> ergaenz.
|
|
* - SIGINT und SIGQUIT werden nun ebenfalls behandelt.
|
|
*
|
|
* Revision 1.2 2001/12/11 22:04:21 alex
|
|
* - Test auf stdint.h (HAVE_STDINT_H) hinzugefuegt.
|
|
*
|
|
* Revision 1.1.1.1 2001/12/11 21:53:04 alex
|
|
* Imported sources to CVS.
|
|
*/
|
|
|
|
|
|
#define PORTAB_CHECK_TYPES /* Prueffunktion einbinden, s.u. */
|
|
|
|
|
|
#include <portab.h>
|
|
#include "global.h"
|
|
|
|
#include <imp.h>
|
|
|
|
#ifdef HAVE_STDINT_H
|
|
#include <stdint.h> /* u.a. fuer Mac OS X */
|
|
#endif
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
|
|
#include "log.h"
|
|
|
|
#include <exp.h>
|
|
#include "ngircd.h"
|
|
|
|
|
|
BOOLEAN do_quit_now = FALSE; /* TRUE: Hauptschleife beenden */
|
|
|
|
|
|
LOCAL VOID Signal_Handler( INT Signal );
|
|
|
|
|
|
GLOBAL INT main( INT argc, CONST CHAR *argv[] )
|
|
{
|
|
FILE *fd;
|
|
struct sigaction saction;
|
|
struct sockaddr_in my_addr, a_addr;
|
|
int my_sock, a_sock;
|
|
int a_sock_len;
|
|
|
|
portab_check_types( );
|
|
|
|
Log_Init( );
|
|
|
|
/* Signal-Handler initialisieren */
|
|
memset( &saction, 0, sizeof( saction ));
|
|
saction.sa_handler = Signal_Handler;
|
|
|
|
/* Signal-Handler einhaengen */
|
|
sigaction( SIGALRM, &saction, NULL );
|
|
sigaction( SIGHUP, &saction, NULL);
|
|
sigaction( SIGINT, &saction, NULL );
|
|
sigaction( SIGQUIT, &saction, NULL );
|
|
sigaction( SIGTERM, &saction, NULL);
|
|
sigaction( SIGUSR1, &saction, NULL);
|
|
sigaction( SIGUSR2, &saction, NULL);
|
|
|
|
/* Server-"Listen"-Socket initialisieren */
|
|
memset( &my_addr, 0, sizeof( my_addr ));
|
|
my_addr.sin_family = AF_INET;
|
|
my_addr.sin_port = htons( 6668 );
|
|
my_addr.sin_addr.s_addr = htonl( INADDR_ANY );
|
|
|
|
/* Socket erzeugen, ... */
|
|
my_sock = socket( AF_INET, SOCK_STREAM, 0);
|
|
if( socket < 0 )
|
|
{
|
|
Log( LOG_FATAL, "Can't create socket: %s", strerror( errno ));
|
|
exit( 1 );
|
|
}
|
|
|
|
/* ... an Port binden ... */
|
|
if( bind( my_sock, (struct sockaddr *)&my_addr, (socklen_t)sizeof( my_addr )) < 0 )
|
|
{
|
|
Log( LOG_FATAL, "Can't bind socket: %s", strerror( errno ));
|
|
exit( 1 );
|
|
}
|
|
|
|
/* ... und in "listen mode" gehen :-) */
|
|
if( listen( my_sock, 10 ) < 0 )
|
|
{
|
|
Log( LOG_FATAL, "Can't listen on soecket: %s", strerror( errno ));
|
|
exit( 1 );
|
|
}
|
|
|
|
/* Hauptschleife */
|
|
while( ! do_quit_now )
|
|
{
|
|
/* auf Verbindung warten */
|
|
a_sock_len = sizeof( a_addr );
|
|
memset( &a_addr, 0, a_sock_len );
|
|
a_sock = accept( my_sock, (struct sockaddr *)&a_addr, &a_sock_len );
|
|
if( a_sock < 0 )
|
|
{
|
|
if( errno == EINTR ) continue;
|
|
|
|
Log( LOG_FATAL, "Can't accept connection: %s", strerror( errno ));
|
|
exit( 1 );
|
|
}
|
|
Log( LOG_INFO, "Accepted connection from %s:%d.", inet_ntoa( a_addr.sin_addr ), ntohs( a_addr.sin_port));
|
|
fd = fdopen( a_sock, "w" );
|
|
|
|
fputs( "hello world!\n", fd ); fflush( fd );
|
|
|
|
fclose( fd );
|
|
close( a_sock );
|
|
}
|
|
|
|
/* Aufraeumen (Sockets etc.!?) */
|
|
close( my_sock );
|
|
|
|
Log_Exit( );
|
|
return 0;
|
|
} /* main */
|
|
|
|
|
|
LOCAL VOID Signal_Handler( INT Signal )
|
|
{
|
|
switch( Signal )
|
|
{
|
|
case SIGTERM:
|
|
case SIGINT:
|
|
case SIGQUIT:
|
|
Log( LOG_WARN, "Got signal %d, terminating now ...", Signal );
|
|
do_quit_now = TRUE;
|
|
break;
|
|
default:
|
|
Log( LOG_WARN, "Got signal %d! Ignored.", Signal );
|
|
}
|
|
} /* Signal_Handler */
|
|
|
|
|
|
/* -eof- */
|