* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
* der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: ngircd.c,v 1.17 2002/01/02 02:51:16 alex Exp $
+ * $Id: ngircd.c,v 1.22 2002/01/22 17:15:39 alex Exp $
*
* ngircd.c: Hier beginnt alles ;-)
*
* $Log: ngircd.c,v $
+ * Revision 1.22 2002/01/22 17:15:39 alex
+ * - die Fehlermeldung "interrupted system call" sollte nicht mehr auftreten.
+ *
+ * Revision 1.21 2002/01/21 00:02:11 alex
+ * - Hilfetexte korrigiert und ergaenzt (Sniffer).
+ *
+ * Revision 1.20 2002/01/18 11:12:11 alex
+ * - der Sniffer wird nun nur noch aktiviert, wenn auf Kommandozeile angegeben.
+ *
+ * Revision 1.19 2002/01/12 00:17:28 alex
+ * - ngIRCd wandelt sich nun selber in einen Daemon (Hintergrundprozess) um.
+ *
+ * Revision 1.18 2002/01/11 14:45:18 alex
+ * - Kommandozeilen-Parser implementiert: Debug- und No-Daemon-Modus, Hilfe.
+ *
* Revision 1.17 2002/01/02 02:51:16 alex
* - Signal-Handler fuer SIGCHLD: so sollten Zombies nicht mehr vorkommen.
*
#include <imp.h>
#include <assert.h>
+#include <errno.h>
#include <stdio.h>
#include <signal.h>
+#include <string.h>
+#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
LOCAL VOID Initialize_Listen_Ports( VOID );
+LOCAL VOID Show_Version( VOID );
+LOCAL VOID Show_Help( VOID );
+
GLOBAL INT main( INT argc, CONST CHAR *argv[] )
{
+ BOOLEAN ok;
+ INT pid, i, n;
+
/* Datentypen der portab-Library ueberpruefen */
portab_check_types( );
+ NGIRCd_Restart = FALSE;
+ NGIRCd_Quit = FALSE;
+ NGIRCd_NoDaemon = FALSE;
+#ifdef DEBUG
+ NGIRCd_Debug = FALSE;
+#endif
+#ifdef SNIFFER
+ NGIRCd_Sniffer = FALSE;
+#endif
+
+ /* Kommandozeile parsen */
+ for( i = 1; i < argc; i++ )
+ {
+ ok = FALSE;
+ if(( argv[i][0] == '-' ) && ( argv[i][1] == '-' ))
+ {
+ /* Lange Option */
+
+ if( strcmp( argv[i], "--help" ) == 0 )
+ {
+ Show_Version( ); puts( "" );
+ Show_Help( ); puts( "" );
+ exit( 1 );
+ }
+ if( strcmp( argv[i], "--version" ) == 0 )
+ {
+ Show_Version( );
+ exit( 1 );
+ }
+#ifdef DEBUG
+ if( strcmp( argv[i], "--debug" ) == 0 )
+ {
+ NGIRCd_Debug = TRUE;
+ ok = TRUE;
+ }
+#endif
+#ifdef SNIFFER
+ if( strcmp( argv[i], "--sniffer" ) == 0 )
+ {
+ NGIRCd_Sniffer = TRUE;
+ ok = TRUE;
+ }
+#endif
+ if( strcmp( argv[i], "--nodaemon" ) == 0 )
+ {
+ NGIRCd_NoDaemon = TRUE;
+ ok = TRUE;
+ }
+ }
+ else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
+ {
+ /* Kurze Option */
+
+ for( n = 1; n < strlen( argv[i] ); n++ )
+ {
+ ok = FALSE;
+#ifdef DEBUG
+ if( argv[i][n] == 'd' )
+ {
+ NGIRCd_Debug = TRUE;
+ ok = TRUE;
+ }
+#endif
+#ifdef SNIFFER
+ if( argv[i][n] == 's' )
+ {
+ NGIRCd_Sniffer = TRUE;
+ ok = TRUE;
+ }
+#endif
+ if( argv[i][n] == 'n' )
+ {
+ NGIRCd_NoDaemon = TRUE;
+ ok = TRUE;
+ }
+
+ if( ! ok )
+ {
+ printf( PACKAGE": invalid option \"-%c\"!\n", argv[i][n] );
+ puts( "Try \""PACKAGE" --help\" for more information." );
+ exit( 1 );
+ }
+ }
+
+ }
+ if( ! ok )
+ {
+ printf( PACKAGE": invalid option \"%s\"!\n", argv[i] );
+ puts( "Try \""PACKAGE" --help\" for more information." );
+ exit( 1 );
+ }
+ }
+
while( ! NGIRCd_Quit )
{
+ /* In der Regel wird ein Sub-Prozess ge-fork()'t, der
+ * nicht mehr mit dem Terminal verbunden ist. Mit der
+ * Option "--nodaemon" kann dies (z.B. zum Debuggen)
+ * verhindert werden. */
+ if( ! NGIRCd_NoDaemon )
+ {
+ /* Daemon im Hintergrund erzeugen */
+ pid = fork( );
+ if( pid > 0 )
+ {
+ /* "alter" Prozess */
+ exit( 0 );
+ }
+ if( pid < 0 )
+ {
+ /* Fehler */
+ printf( PACKAGE": Can't fork: %s!\nFatal error, exiting now ...", strerror( errno ));
+ exit( 1 );
+ }
+ setsid( );
+ chdir( "/" );
+ }
+
/* Globale Variablen initialisieren */
NGIRCd_Start = time( NULL );
strftime( NGIRCd_StartStr, 64, "%a %b %d %Y at %H:%M:%S (%Z)", localtime( &NGIRCd_Start ));
} /* main */
+GLOBAL CHAR *NGIRCd_Version( VOID )
+{
+ STATIC CHAR version[126];
+ CHAR txt[64];
+
+ strcpy( txt, "" );
+
+#ifdef USE_SYSLOG
+ if( txt[0] ) strcat( txt, "+" );
+ else strcat( txt, "-" );
+ strcat( txt, "SYSLOG" );
+#endif
+#ifdef STRICT_RFC
+ if( txt[0] ) strcat( txt, "+" );
+ else strcat( txt, "-" );
+ strcat( txt, "RFC" );
+#endif
+#ifdef DEBUG
+ if( txt[0] ) strcat( txt, "+" );
+ else strcat( txt, "-" );
+ strcat( txt, "DEBUG" );
+#endif
+#ifdef SNIFFER
+ if( txt[0] ) strcat( txt, "+" );
+ else strcat( txt, "-" );
+ strcat( txt, "SNIFFER" );
+#endif
+
+ sprintf( version, PACKAGE" version "VERSION"%s-"P_OSNAME"/"P_ARCHNAME, txt );
+ return version;
+} /* NGIRCd_Version */
+
+
LOCAL VOID Initialize_Signal_Handler( VOID )
{
/* Signal-Handler initialisieren: einige Signale
/* Signal-Struktur initialisieren */
memset( &saction, 0, sizeof( saction ));
+ saction.sa_handler = Signal_Handler;
+ saction.sa_flags = SA_RESTART;
/* Signal-Handler einhaengen */
- saction.sa_handler = Signal_Handler;
sigaction( SIGINT, &saction, NULL );
sigaction( SIGQUIT, &saction, NULL );
sigaction( SIGTERM, &saction, NULL);
}
} /* Initialize_Listen_Ports */
+
+LOCAL VOID Show_Version( VOID )
+{
+ puts( NGIRCd_Version( ));
+ puts( "Copyright (c)2001,2002 by Alexander Barton (alex@barton.de).\n" );
+ puts( "This is free software; see the source for copying conditions. There is NO" );
+ puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." );
+} /* Show_Version */
+
+
+LOCAL VOID Show_Help( VOID )
+{
+#ifdef DEBUG
+ puts( " -d, --debug log extra debug messages" );
+#endif
+ puts( " -n, --nodaemon don't fork and don't detatch from controlling terminal" );
+#ifdef SNIFFER
+ puts( " -s, --sniffer enable network sniffer and display all IRC traffic" );
+#endif
+ puts( " --version output version information and exit" );
+ puts( " --help display this help and exit" );
+} /* Show_Help */
+
+
/* -eof- */
projects / ngircd-alex.git / blobdiff