]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/ngircd.c
- wenn ein System sigaction() nicht kennt, so wird nun signal() verwendet.
[ngircd-alex.git] / src / ngircd / ngircd.c
index 570b9158047c0a4c5b88fd702c4589fffc94ef51..f28af0b56c0acb5029c1820fb87a34386fc94223 100644 (file)
@@ -9,11 +9,30 @@
  * 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 1.21 2002/01/21 00:02:11 alex Exp $
+ * $Id: ngircd.c,v 1.27 2002/02/25 11:42:47 alex Exp $
  *
  * ngircd.c: Hier beginnt alles ;-)
  *
  * $Log: ngircd.c,v $
+ * Revision 1.27  2002/02/25 11:42:47  alex
+ * - wenn ein System sigaction() nicht kennt, so wird nun signal() verwendet.
+ *
+ * Revision 1.26  2002/02/23 19:06:47  alex
+ * - fuer SIGCHLD wird nun auch SA_NOCLDWAIT gesetzt, wenn vorhanden.
+ *
+ * Revision 1.25  2002/02/19 20:30:47  alex
+ * - SA_RESTART wird fuer Signale nur noch gesetzt, wenn es definiert ist.
+ *
+ * Revision 1.24  2002/02/19 20:08:24  alex
+ * - "Passive-Mode" implementiert: kein Auto-Conect zu anderen Servern.
+ * - NGIRCd_DebugLevel wird (fuer VERSION-Befehl) ermittelt.
+ *
+ * Revision 1.23  2002/02/17 23:40:21  alex
+ * - neue Funktion NGIRCd_VersionAddition(). NGIRCd_Version() aufgespaltet.
+ *
+ * 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).
  *
@@ -133,6 +152,7 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
        NGIRCd_Restart = FALSE;
        NGIRCd_Quit = FALSE;
        NGIRCd_NoDaemon = FALSE;
+       NGIRCd_Passive = FALSE;
 #ifdef DEBUG
        NGIRCd_Debug = FALSE;
 #endif
@@ -148,24 +168,29 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
                {
                        /* Lange Option */
 
+#ifdef DEBUG
+                       if( strcmp( argv[i], "--debug" ) == 0 )
+                       {
+                               NGIRCd_Debug = TRUE;
+                               ok = TRUE;
+                       }
+#endif
                        if( strcmp( argv[i], "--help" ) == 0 )
                        {
                                Show_Version( ); puts( "" );
                                Show_Help( ); puts( "" );
                                exit( 1 );
                        }
-                       if( strcmp( argv[i], "--version" ) == 0 )
+                       if( strcmp( argv[i], "--nodaemon" ) == 0 )
                        {
-                               Show_Version( );
-                               exit( 1 );
+                               NGIRCd_NoDaemon = TRUE;
+                               ok = TRUE;
                        }
-#ifdef DEBUG
-                       if( strcmp( argv[i], "--debug" ) == 0 )
+                       if( strcmp( argv[i], "--passive" ) == 0 )
                        {
-                               NGIRCd_Debug = TRUE;
+                               NGIRCd_Passive = TRUE;
                                ok = TRUE;
                        }
-#endif
 #ifdef SNIFFER
                        if( strcmp( argv[i], "--sniffer" ) == 0 )
                        {
@@ -173,10 +198,10 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
                                ok = TRUE;
                        }
 #endif
-                       if( strcmp( argv[i], "--nodaemon" ) == 0 )
+                       if( strcmp( argv[i], "--version" ) == 0 )
                        {
-                               NGIRCd_NoDaemon = TRUE;
-                               ok = TRUE;
+                               Show_Version( );
+                               exit( 1 );
                        }
                }
                else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
@@ -193,6 +218,16 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
                                        ok = TRUE;
                                }
 #endif
+                               if( argv[i][n] == 'n' )
+                               {
+                                       NGIRCd_NoDaemon = TRUE;
+                                       ok = TRUE;
+                               }
+                               if( argv[i][n] == 'p' )
+                               {
+                                       NGIRCd_Passive = TRUE;
+                                       ok = TRUE;
+                               }
 #ifdef SNIFFER
                                if( argv[i][n] == 's' )
                                {
@@ -200,11 +235,6 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
                                        ok = TRUE;
                                }
 #endif
-                               if( argv[i][n] == 'n' )
-                               {
-                                       NGIRCd_NoDaemon = TRUE;
-                                       ok = TRUE;
-                               }
 
                                if( ! ok )
                                {
@@ -223,6 +253,15 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
                }
        }
 
+       /* Debug-Level (fuer IRC-Befehl "VERSION") ermitteln */
+       strcpy( NGIRCd_DebugLevel, "" );
+#ifdef DEBUG
+       if( NGIRCd_Debug ) strcpy( NGIRCd_DebugLevel, "1" );
+#endif
+#ifdef SNIFFER
+       if( NGIRCd_Sniffer ) strcpy( NGIRCd_DebugLevel, "2" );
+#endif
+       
        while( ! NGIRCd_Quit )
        {
                /* In der Regel wird ein Sub-Prozess ge-fork()'t, der
@@ -292,34 +331,40 @@ GLOBAL INT main( INT argc, CONST CHAR *argv[] )
 GLOBAL CHAR *NGIRCd_Version( VOID )
 {
        STATIC CHAR version[126];
-       CHAR txt[64];
+
+       sprintf( version, PACKAGE" version "VERSION"-%s", NGIRCd_VersionAddition( ));
+       return version;
+} /* NGIRCd_Version */
+
+
+GLOBAL CHAR *NGIRCd_VersionAddition( VOID )
+{
+       STATIC 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 */
+       if( txt[0] ) strcat( txt, "-" );
+       strcat( txt, P_OSNAME"/"P_ARCHNAME );
+
+       return txt;
+} /* NGIRCd_VersionAddition */
 
 
 LOCAL VOID Initialize_Signal_Handler( VOID )
@@ -327,21 +372,44 @@ LOCAL VOID Initialize_Signal_Handler( VOID )
        /* Signal-Handler initialisieren: einige Signale
         * werden ignoriert, andere speziell behandelt. */
 
+#ifdef HAVE_SIGACTION
+       /* sigaction() ist vorhanden */
+
        struct sigaction saction;
 
        /* Signal-Struktur initialisieren */
        memset( &saction, 0, sizeof( saction ));
+       saction.sa_handler = Signal_Handler;
+#ifdef SA_RESTART
+       saction.sa_flags |= SA_RESTART;
+#endif
+#ifdef SA_NOCLDWAIT
+       saction.sa_flags |= SA_NOCLDWAIT;
+#endif
 
        /* Signal-Handler einhaengen */
-       saction.sa_handler = Signal_Handler;
        sigaction( SIGINT, &saction, NULL );
        sigaction( SIGQUIT, &saction, NULL );
        sigaction( SIGTERM, &saction, NULL);
+       sigaction( SIGHUP, &saction, NULL);
        sigaction( SIGCHLD, &saction, NULL);
 
        /* einige Signale ignorieren */
        saction.sa_handler = SIG_IGN;
        sigaction( SIGPIPE, &saction, NULL );
+#else
+       /* kein sigaction() vorhanden */
+
+       /* Signal-Handler einhaengen */
+       signal( SIGINT, Signal_Handler );
+       signal( SIGQUIT, Signal_Handler );
+       signal( SIGTERM, Signal_Handler );
+       signal( SIGHUP, Signal_Handler );
+       signal( SIGCHLD, Signal_Handler );
+
+       /* einige Signale ignorieren */
+       signal( SIGPIPE, SIG_IGN );
+#endif
 } /* Initialize_Signal_Handler */
 
 
@@ -357,9 +425,16 @@ LOCAL VOID Signal_Handler( INT Signal )
                case SIGINT:
                case SIGQUIT:
                        /* wir soll(t)en uns wohl beenden ... */
-                       Log( LOG_WARNING, "Got signal %d, terminating now ...", Signal );
+                       if( Signal == SIGTERM ) Log( LOG_WARNING, "Got TERM signal, terminating now ..." );
+                       else if( Signal == SIGINT ) Log( LOG_WARNING, "Got INT signal, terminating now ..." );
+                       else if( Signal == SIGQUIT ) Log( LOG_WARNING, "Got QUIT signal, terminating now ..." );
                        NGIRCd_Quit = TRUE;
                        break;
+               case SIGHUP:
+                       /* neu starten */
+                       Log( LOG_WARNING, "Got HUP signal, restarting now ..." );
+                       NGIRCd_Restart = TRUE;
+                       break;
                case SIGCHLD:
                        /* Child-Prozess wurde beendet. Zombies vermeiden: */
                        while( waitpid( -1, NULL, WNOHANG ) > 0);
@@ -409,6 +484,7 @@ LOCAL VOID Show_Help( VOID )
        puts( "  -d, --debug       log extra debug messages" );
 #endif
         puts( "  -n, --nodaemon    don't fork and don't detatch from controlling terminal" );
+        puts( "  -p, --passive     disable automatic connections to other servers" );
 #ifdef SNIFFER
        puts( "  -s, --sniffer     enable network sniffer and display all IRC traffic" );
 #endif