1 f4ade537 2001-12-11 alex /*
  2 f4ade537 2001-12-11 alex  * ngIRCd -- The Next Generation IRC Daemon
  3 03d971d9 2002-01-02 alex  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
  4 f4ade537 2001-12-11 alex  *
  5 f4ade537 2001-12-11 alex  * Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
  6 f4ade537 2001-12-11 alex  * der GNU General Public License (GPL), wie von der Free Software Foundation
  7 f4ade537 2001-12-11 alex  * herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
  8 f4ade537 2001-12-11 alex  * der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
  9 f4ade537 2001-12-11 alex  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
 10 804b1ec4 2001-12-31 alex  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
 11 f4ade537 2001-12-11 alex  *
 12 95a4b1b1 2002-03-25 alex  * $Id: ngircd.c,v 1.35 2002/03/25 19:11:01 alex Exp $
 13 f4ade537 2001-12-11 alex  *
 14 f4ade537 2001-12-11 alex  * ngircd.c: Hier beginnt alles ;-)
 15 f4ade537 2001-12-11 alex  */
 16 f4ade537 2001-12-11 alex 
 17 f4ade537 2001-12-11 alex 
 18 ca33cbda 2002-03-12 alex #include "portab.h"
 19 f4ade537 2001-12-11 alex 
 20 ca33cbda 2002-03-12 alex #include "imp.h"
 21 f4ade537 2001-12-11 alex #include <assert.h>
 22 22cf0c5d 2002-01-12 alex #include <errno.h>
 23 f4ade537 2001-12-11 alex #include <stdio.h>
 24 418add93 2001-12-12 alex #include <signal.h>
 25 52424b49 2002-01-11 alex #include <string.h>
 26 22cf0c5d 2002-01-12 alex #include <unistd.h>
 27 03d971d9 2002-01-02 alex #include <sys/types.h>
 28 03d971d9 2002-01-02 alex #include <sys/wait.h>
 29 ac9da09e 2001-12-30 alex #include <time.h>
 30 b61b8c4d 2001-12-12 alex 
 31 58c6c8f3 2001-12-14 alex #include "channel.h"
 32 58c6c8f3 2001-12-14 alex #include "client.h"
 33 418add93 2001-12-12 alex #include "conf.h"
 34 418add93 2001-12-12 alex #include "conn.h"
 35 ca33cbda 2002-03-12 alex #include "defines.h"
 36 58c6c8f3 2001-12-14 alex #include "irc.h"
 37 f4ade537 2001-12-11 alex #include "log.h"
 38 1751c869 2001-12-21 alex #include "parse.h"
 39 f4ade537 2001-12-11 alex 
 40 ca33cbda 2002-03-12 alex #include "exp.h"
 41 f4ade537 2001-12-11 alex #include "ngircd.h"
 42 f4ade537 2001-12-11 alex 
 43 f4ade537 2001-12-11 alex 
 44 418add93 2001-12-12 alex LOCAL VOID Initialize_Signal_Handler( VOID );
 45 f4ade537 2001-12-11 alex LOCAL VOID Signal_Handler( INT Signal );
 46 f4ade537 2001-12-11 alex 
 47 9856253d 2001-12-30 alex LOCAL VOID Initialize_Listen_Ports( VOID );
 48 f4ade537 2001-12-11 alex 
 49 52424b49 2002-01-11 alex LOCAL VOID Show_Version( VOID );
 50 52424b49 2002-01-11 alex LOCAL VOID Show_Help( VOID );
 51 9856253d 2001-12-30 alex 
 52 52424b49 2002-01-11 alex 
 53 95a4b1b1 2002-03-25 alex GLOBAL int main( int argc, const char *argv[] )
 54 f4ade537 2001-12-11 alex {
 55 52424b49 2002-01-11 alex 	BOOLEAN ok;
 56 95a4b1b1 2002-03-25 alex 	INT32 pid, n;
 57 95a4b1b1 2002-03-25 alex 	INT i;
 58 52424b49 2002-01-11 alex 
 59 52424b49 2002-01-11 alex 	NGIRCd_Restart = FALSE;
 60 52424b49 2002-01-11 alex 	NGIRCd_Quit = FALSE;
 61 52424b49 2002-01-11 alex 	NGIRCd_NoDaemon = FALSE;
 62 eea1a88b 2002-02-19 alex 	NGIRCd_Passive = FALSE;
 63 52424b49 2002-01-11 alex #ifdef DEBUG
 64 52424b49 2002-01-11 alex 	NGIRCd_Debug = FALSE;
 65 52424b49 2002-01-11 alex #endif
 66 d79a7d28 2002-01-18 alex #ifdef SNIFFER
 67 d79a7d28 2002-01-18 alex 	NGIRCd_Sniffer = FALSE;
 68 d79a7d28 2002-01-18 alex #endif
 69 52424b49 2002-01-11 alex 
 70 52424b49 2002-01-11 alex 	/* Kommandozeile parsen */
 71 52424b49 2002-01-11 alex 	for( i = 1; i < argc; i++ )
 72 52424b49 2002-01-11 alex 	{
 73 52424b49 2002-01-11 alex 		ok = FALSE;
 74 52424b49 2002-01-11 alex 		if(( argv[i][0] == '-' ) && ( argv[i][1] == '-' ))
 75 52424b49 2002-01-11 alex 		{
 76 52424b49 2002-01-11 alex 			/* Lange Option */
 77 52424b49 2002-01-11 alex 
 78 eea1a88b 2002-02-19 alex #ifdef DEBUG
 79 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--debug" ) == 0 )
 80 eea1a88b 2002-02-19 alex 			{
 81 eea1a88b 2002-02-19 alex 				NGIRCd_Debug = TRUE;
 82 eea1a88b 2002-02-19 alex 				ok = TRUE;
 83 eea1a88b 2002-02-19 alex 			}
 84 eea1a88b 2002-02-19 alex #endif
 85 52424b49 2002-01-11 alex 			if( strcmp( argv[i], "--help" ) == 0 )
 86 52424b49 2002-01-11 alex 			{
 87 52424b49 2002-01-11 alex 				Show_Version( ); puts( "" );
 88 52424b49 2002-01-11 alex 				Show_Help( ); puts( "" );
 89 52424b49 2002-01-11 alex 				exit( 1 );
 90 52424b49 2002-01-11 alex 			}
 91 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--nodaemon" ) == 0 )
 92 52424b49 2002-01-11 alex 			{
 93 eea1a88b 2002-02-19 alex 				NGIRCd_NoDaemon = TRUE;
 94 eea1a88b 2002-02-19 alex 				ok = TRUE;
 95 52424b49 2002-01-11 alex 			}
 96 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--passive" ) == 0 )
 97 52424b49 2002-01-11 alex 			{
 98 eea1a88b 2002-02-19 alex 				NGIRCd_Passive = TRUE;
 99 d79a7d28 2002-01-18 alex 				ok = TRUE;
100 d79a7d28 2002-01-18 alex 			}
101 d79a7d28 2002-01-18 alex #ifdef SNIFFER
102 d79a7d28 2002-01-18 alex 			if( strcmp( argv[i], "--sniffer" ) == 0 )
103 d79a7d28 2002-01-18 alex 			{
104 d79a7d28 2002-01-18 alex 				NGIRCd_Sniffer = TRUE;
105 52424b49 2002-01-11 alex 				ok = TRUE;
106 52424b49 2002-01-11 alex 			}
107 52424b49 2002-01-11 alex #endif
108 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--version" ) == 0 )
109 52424b49 2002-01-11 alex 			{
110 d67d94ea 2002-03-10 alex 				Show_Version( );
111 eea1a88b 2002-02-19 alex 				exit( 1 );
112 52424b49 2002-01-11 alex 			}
113 52424b49 2002-01-11 alex 		}
114 52424b49 2002-01-11 alex 		else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
115 52424b49 2002-01-11 alex 		{
116 52424b49 2002-01-11 alex 			/* Kurze Option */
117 52424b49 2002-01-11 alex 			
118 95a4b1b1 2002-03-25 alex 			for( n = 1; n < (INT32)strlen( argv[i] ); n++ )
119 52424b49 2002-01-11 alex 			{
120 52424b49 2002-01-11 alex 				ok = FALSE;
121 52424b49 2002-01-11 alex #ifdef DEBUG
122 52424b49 2002-01-11 alex 				if( argv[i][n] == 'd' )
123 52424b49 2002-01-11 alex 				{
124 52424b49 2002-01-11 alex 					NGIRCd_Debug = TRUE;
125 52424b49 2002-01-11 alex 					ok = TRUE;
126 52424b49 2002-01-11 alex 				}
127 52424b49 2002-01-11 alex #endif
128 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'n' )
129 eea1a88b 2002-02-19 alex 				{
130 eea1a88b 2002-02-19 alex 					NGIRCd_NoDaemon = TRUE;
131 eea1a88b 2002-02-19 alex 					ok = TRUE;
132 eea1a88b 2002-02-19 alex 				}
133 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'p' )
134 eea1a88b 2002-02-19 alex 				{
135 eea1a88b 2002-02-19 alex 					NGIRCd_Passive = TRUE;
136 eea1a88b 2002-02-19 alex 					ok = TRUE;
137 eea1a88b 2002-02-19 alex 				}
138 d79a7d28 2002-01-18 alex #ifdef SNIFFER
139 d79a7d28 2002-01-18 alex 				if( argv[i][n] == 's' )
140 d79a7d28 2002-01-18 alex 				{
141 d79a7d28 2002-01-18 alex 					NGIRCd_Sniffer = TRUE;
142 d79a7d28 2002-01-18 alex 					ok = TRUE;
143 d79a7d28 2002-01-18 alex 				}
144 d79a7d28 2002-01-18 alex #endif
145 52424b49 2002-01-11 alex 
146 52424b49 2002-01-11 alex 				if( ! ok )
147 52424b49 2002-01-11 alex 				{
148 52424b49 2002-01-11 alex 					printf( PACKAGE": invalid option \"-%c\"!\n", argv[i][n] );
149 52424b49 2002-01-11 alex 					puts( "Try \""PACKAGE" --help\" for more information." );
150 52424b49 2002-01-11 alex 					exit( 1 );
151 52424b49 2002-01-11 alex 				}
152 52424b49 2002-01-11 alex 			}
153 f4ade537 2001-12-11 alex 
154 52424b49 2002-01-11 alex 		}
155 52424b49 2002-01-11 alex 		if( ! ok )
156 52424b49 2002-01-11 alex 		{
157 52424b49 2002-01-11 alex 			printf( PACKAGE": invalid option \"%s\"!\n", argv[i] );
158 52424b49 2002-01-11 alex 			puts( "Try \""PACKAGE" --help\" for more information." );
159 52424b49 2002-01-11 alex 			exit( 1 );
160 52424b49 2002-01-11 alex 		}
161 52424b49 2002-01-11 alex 	}
162 52424b49 2002-01-11 alex 
163 eea1a88b 2002-02-19 alex 	/* Debug-Level (fuer IRC-Befehl "VERSION") ermitteln */
164 eea1a88b 2002-02-19 alex 	strcpy( NGIRCd_DebugLevel, "" );
165 eea1a88b 2002-02-19 alex #ifdef DEBUG
166 eea1a88b 2002-02-19 alex 	if( NGIRCd_Debug ) strcpy( NGIRCd_DebugLevel, "1" );
167 eea1a88b 2002-02-19 alex #endif
168 eea1a88b 2002-02-19 alex #ifdef SNIFFER
169 eea1a88b 2002-02-19 alex 	if( NGIRCd_Sniffer ) strcpy( NGIRCd_DebugLevel, "2" );
170 eea1a88b 2002-02-19 alex #endif
171 eea1a88b 2002-02-19 alex 	
172 804b1ec4 2001-12-31 alex 	while( ! NGIRCd_Quit )
173 804b1ec4 2001-12-31 alex 	{
174 22cf0c5d 2002-01-12 alex 		/* In der Regel wird ein Sub-Prozess ge-fork()'t, der
175 22cf0c5d 2002-01-12 alex 		 * nicht mehr mit dem Terminal verbunden ist. Mit der
176 22cf0c5d 2002-01-12 alex 		 * Option "--nodaemon" kann dies (z.B. zum Debuggen)
177 22cf0c5d 2002-01-12 alex 		 * verhindert werden. */
178 22cf0c5d 2002-01-12 alex 		if( ! NGIRCd_NoDaemon )
179 22cf0c5d 2002-01-12 alex 		{
180 22cf0c5d 2002-01-12 alex 			/* Daemon im Hintergrund erzeugen */
181 95a4b1b1 2002-03-25 alex 			pid = (INT32)fork( );
182 22cf0c5d 2002-01-12 alex 			if( pid > 0 )
183 22cf0c5d 2002-01-12 alex 			{
184 22cf0c5d 2002-01-12 alex 				/* "alter" Prozess */
185 22cf0c5d 2002-01-12 alex 				exit( 0 );
186 22cf0c5d 2002-01-12 alex 			}
187 22cf0c5d 2002-01-12 alex 			if( pid < 0 )
188 22cf0c5d 2002-01-12 alex 			{
189 22cf0c5d 2002-01-12 alex 				/* Fehler */
190 22cf0c5d 2002-01-12 alex 				printf( PACKAGE": Can't fork: %s!\nFatal error, exiting now ...", strerror( errno ));
191 22cf0c5d 2002-01-12 alex 				exit( 1 );
192 22cf0c5d 2002-01-12 alex 			}
193 fe2bc90e 2002-03-06 alex 
194 fe2bc90e 2002-03-06 alex 			/* Child-Prozess initialisieren */
195 95a4b1b1 2002-03-25 alex 			(VOID)setsid( );
196 22cf0c5d 2002-01-12 alex 			chdir( "/" );
197 22cf0c5d 2002-01-12 alex 		}
198 22cf0c5d 2002-01-12 alex 	
199 804b1ec4 2001-12-31 alex 		/* Globale Variablen initialisieren */
200 804b1ec4 2001-12-31 alex 		NGIRCd_Start = time( NULL );
201 95a4b1b1 2002-03-25 alex 		(VOID)strftime( NGIRCd_StartStr, 64, "%a %b %d %Y at %H:%M:%S (%Z)", localtime( &NGIRCd_Start ));
202 804b1ec4 2001-12-31 alex 		NGIRCd_Restart = FALSE;
203 804b1ec4 2001-12-31 alex 		NGIRCd_Quit = FALSE;
204 ff280ce4 2001-12-12 alex 
205 804b1ec4 2001-12-31 alex 		/* Module initialisieren */
206 804b1ec4 2001-12-31 alex 		Log_Init( );
207 804b1ec4 2001-12-31 alex 		Conf_Init( );
208 804b1ec4 2001-12-31 alex 		Channel_Init( );
209 804b1ec4 2001-12-31 alex 		Client_Init( );
210 804b1ec4 2001-12-31 alex 		Conn_Init( );
211 f4ade537 2001-12-11 alex 
212 804b1ec4 2001-12-31 alex 		/* Signal-Handler initialisieren */
213 804b1ec4 2001-12-31 alex 		Initialize_Signal_Handler( );
214 9856253d 2001-12-30 alex 
215 804b1ec4 2001-12-31 alex 		/* Listen-Ports initialisieren */
216 804b1ec4 2001-12-31 alex 		Initialize_Listen_Ports( );
217 804b1ec4 2001-12-31 alex 
218 804b1ec4 2001-12-31 alex 		/* Hauptschleife */
219 804b1ec4 2001-12-31 alex 		while( TRUE )
220 804b1ec4 2001-12-31 alex 		{
221 804b1ec4 2001-12-31 alex 			if( NGIRCd_Quit || NGIRCd_Restart ) break;
222 804b1ec4 2001-12-31 alex 			Conn_Handler( 5 );
223 804b1ec4 2001-12-31 alex 		}
224 804b1ec4 2001-12-31 alex 
225 804b1ec4 2001-12-31 alex 		/* Alles abmelden */
226 804b1ec4 2001-12-31 alex 		Conn_Exit( );
227 804b1ec4 2001-12-31 alex 		Client_Exit( );
228 804b1ec4 2001-12-31 alex 		Channel_Exit( );
229 804b1ec4 2001-12-31 alex 		Conf_Exit( );
230 804b1ec4 2001-12-31 alex 		Log_Exit( );
231 804b1ec4 2001-12-31 alex 	}
232 fe2bc90e 2002-03-06 alex 
233 fe2bc90e 2002-03-06 alex #ifndef DEBUG
234 fe2bc90e 2002-03-06 alex 	/* aufraeumen */
235 fe2bc90e 2002-03-06 alex 	if( unlink( ERROR_FILE ) != 0 ) Log( LOG_ERR, "Can't delete \""ERROR_FILE"\": %s", strerror( errno ));
236 fe2bc90e 2002-03-06 alex #endif
237 fe2bc90e 2002-03-06 alex 
238 f4ade537 2001-12-11 alex 	return 0;
239 f4ade537 2001-12-11 alex } /* main */
240 f4ade537 2001-12-11 alex 
241 f4ade537 2001-12-11 alex 
242 52424b49 2002-01-11 alex GLOBAL CHAR *NGIRCd_Version( VOID )
243 52424b49 2002-01-11 alex {
244 52424b49 2002-01-11 alex 	STATIC CHAR version[126];
245 52424b49 2002-01-11 alex 
246 3fbbfe44 2002-02-17 alex 	sprintf( version, PACKAGE" version "VERSION"-%s", NGIRCd_VersionAddition( ));
247 3fbbfe44 2002-02-17 alex 	return version;
248 3fbbfe44 2002-02-17 alex } /* NGIRCd_Version */
249 3fbbfe44 2002-02-17 alex 
250 3fbbfe44 2002-02-17 alex 
251 3fbbfe44 2002-02-17 alex GLOBAL CHAR *NGIRCd_VersionAddition( VOID )
252 3fbbfe44 2002-02-17 alex {
253 3fbbfe44 2002-02-17 alex 	STATIC CHAR txt[64];
254 3fbbfe44 2002-02-17 alex 
255 52424b49 2002-01-11 alex 	strcpy( txt, "" );
256 52424b49 2002-01-11 alex 
257 52424b49 2002-01-11 alex #ifdef USE_SYSLOG
258 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
259 52424b49 2002-01-11 alex 	strcat( txt, "SYSLOG" );
260 52424b49 2002-01-11 alex #endif
261 52424b49 2002-01-11 alex #ifdef STRICT_RFC
262 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
263 52424b49 2002-01-11 alex 	strcat( txt, "RFC" );
264 52424b49 2002-01-11 alex #endif
265 52424b49 2002-01-11 alex #ifdef DEBUG
266 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
267 52424b49 2002-01-11 alex 	strcat( txt, "DEBUG" );
268 52424b49 2002-01-11 alex #endif
269 52424b49 2002-01-11 alex #ifdef SNIFFER
270 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
271 52424b49 2002-01-11 alex 	strcat( txt, "SNIFFER" );
272 52424b49 2002-01-11 alex #endif
273 52424b49 2002-01-11 alex 
274 3fbbfe44 2002-02-17 alex 	if( txt[0] ) strcat( txt, "-" );
275 882c9128 2002-03-12 alex 	strcat( txt, TARGET_CPU"/"TARGET_VENDOR"/"TARGET_OS );
276 52424b49 2002-01-11 alex 
277 3fbbfe44 2002-02-17 alex 	return txt;
278 3fbbfe44 2002-02-17 alex } /* NGIRCd_VersionAddition */
279 52424b49 2002-01-11 alex 
280 3fbbfe44 2002-02-17 alex 
281 418add93 2001-12-12 alex LOCAL VOID Initialize_Signal_Handler( VOID )
282 418add93 2001-12-12 alex {
283 08cf5607 2001-12-26 alex 	/* Signal-Handler initialisieren: einige Signale
284 08cf5607 2001-12-26 alex 	 * werden ignoriert, andere speziell behandelt. */
285 418add93 2001-12-12 alex 
286 62266a8d 2002-02-25 alex #ifdef HAVE_SIGACTION
287 62266a8d 2002-02-25 alex 	/* sigaction() ist vorhanden */
288 62266a8d 2002-02-25 alex 
289 418add93 2001-12-12 alex 	struct sigaction saction;
290 418add93 2001-12-12 alex 
291 418add93 2001-12-12 alex 	/* Signal-Struktur initialisieren */
292 418add93 2001-12-12 alex 	memset( &saction, 0, sizeof( saction ));
293 23253edb 2002-01-22 alex 	saction.sa_handler = Signal_Handler;
294 9919f38d 2002-02-19 alex #ifdef SA_RESTART
295 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_RESTART;
296 9919f38d 2002-02-19 alex #endif
297 6f955d2a 2002-02-23 alex #ifdef SA_NOCLDWAIT
298 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_NOCLDWAIT;
299 6f955d2a 2002-02-23 alex #endif
300 418add93 2001-12-12 alex 
301 418add93 2001-12-12 alex 	/* Signal-Handler einhaengen */
302 418add93 2001-12-12 alex 	sigaction( SIGINT, &saction, NULL );
303 418add93 2001-12-12 alex 	sigaction( SIGQUIT, &saction, NULL );
304 418add93 2001-12-12 alex 	sigaction( SIGTERM, &saction, NULL);
305 3fbbfe44 2002-02-17 alex 	sigaction( SIGHUP, &saction, NULL);
306 03d971d9 2002-01-02 alex 	sigaction( SIGCHLD, &saction, NULL);
307 eb952e35 2001-12-24 alex 
308 eb952e35 2001-12-24 alex 	/* einige Signale ignorieren */
309 eb952e35 2001-12-24 alex 	saction.sa_handler = SIG_IGN;
310 eb952e35 2001-12-24 alex 	sigaction( SIGPIPE, &saction, NULL );
311 62266a8d 2002-02-25 alex #else
312 62266a8d 2002-02-25 alex 	/* kein sigaction() vorhanden */
313 62266a8d 2002-02-25 alex 
314 62266a8d 2002-02-25 alex 	/* Signal-Handler einhaengen */
315 62266a8d 2002-02-25 alex 	signal( SIGINT, Signal_Handler );
316 62266a8d 2002-02-25 alex 	signal( SIGQUIT, Signal_Handler );
317 62266a8d 2002-02-25 alex 	signal( SIGTERM, Signal_Handler );
318 62266a8d 2002-02-25 alex 	signal( SIGHUP, Signal_Handler );
319 62266a8d 2002-02-25 alex 	signal( SIGCHLD, Signal_Handler );
320 62266a8d 2002-02-25 alex 
321 62266a8d 2002-02-25 alex 	/* einige Signale ignorieren */
322 62266a8d 2002-02-25 alex 	signal( SIGPIPE, SIG_IGN );
323 62266a8d 2002-02-25 alex #endif
324 418add93 2001-12-12 alex } /* Initialize_Signal_Handler */
325 418add93 2001-12-12 alex 
326 418add93 2001-12-12 alex 
327 f4ade537 2001-12-11 alex LOCAL VOID Signal_Handler( INT Signal )
328 f4ade537 2001-12-11 alex {
329 418add93 2001-12-12 alex 	/* Signal-Handler. Dieser wird aufgerufen, wenn eines der Signale eintrifft,
330 418add93 2001-12-12 alex 	 * fuer das wir uns registriert haben (vgl. Initialize_Signal_Handler). Die
331 418add93 2001-12-12 alex 	 * Nummer des eingetroffenen Signals wird der Funktion uebergeben. */
332 418add93 2001-12-12 alex 
333 f4ade537 2001-12-11 alex 	switch( Signal )
334 f4ade537 2001-12-11 alex 	{
335 f4ade537 2001-12-11 alex 		case SIGTERM:
336 b61b8c4d 2001-12-12 alex 		case SIGINT:
337 b61b8c4d 2001-12-12 alex 		case SIGQUIT:
338 418add93 2001-12-12 alex 			/* wir soll(t)en uns wohl beenden ... */
339 3fbbfe44 2002-02-17 alex 			if( Signal == SIGTERM ) Log( LOG_WARNING, "Got TERM signal, terminating now ..." );
340 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGINT ) Log( LOG_WARNING, "Got INT signal, terminating now ..." );
341 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGQUIT ) Log( LOG_WARNING, "Got QUIT signal, terminating now ..." );
342 ff280ce4 2001-12-12 alex 			NGIRCd_Quit = TRUE;
343 f4ade537 2001-12-11 alex 			break;
344 3fbbfe44 2002-02-17 alex 		case SIGHUP:
345 3fbbfe44 2002-02-17 alex 			/* neu starten */
346 3fbbfe44 2002-02-17 alex 			Log( LOG_WARNING, "Got HUP signal, restarting now ..." );
347 3fbbfe44 2002-02-17 alex 			NGIRCd_Restart = TRUE;
348 3fbbfe44 2002-02-17 alex 			break;
349 03d971d9 2002-01-02 alex 		case SIGCHLD:
350 03d971d9 2002-01-02 alex 			/* Child-Prozess wurde beendet. Zombies vermeiden: */
351 03d971d9 2002-01-02 alex 			while( waitpid( -1, NULL, WNOHANG ) > 0);
352 03d971d9 2002-01-02 alex 			break;
353 f4ade537 2001-12-11 alex 		default:
354 418add93 2001-12-12 alex 			/* unbekanntes bzw. unbehandeltes Signal */
355 ff280ce4 2001-12-12 alex 			Log( LOG_NOTICE, "Got signal %d! Ignored.", Signal );
356 f4ade537 2001-12-11 alex 	}
357 f4ade537 2001-12-11 alex } /* Signal_Handler */
358 f4ade537 2001-12-11 alex 
359 f4ade537 2001-12-11 alex 
360 9856253d 2001-12-30 alex LOCAL VOID Initialize_Listen_Ports( VOID )
361 9856253d 2001-12-30 alex {
362 9856253d 2001-12-30 alex 	/* Ports, auf denen der Server Verbindungen entgegennehmen
363 9856253d 2001-12-30 alex 	 * soll, initialisieren */
364 9856253d 2001-12-30 alex 	
365 9856253d 2001-12-30 alex 	INT created, i;
366 9856253d 2001-12-30 alex 
367 9856253d 2001-12-30 alex 	created = 0;
368 9856253d 2001-12-30 alex 	for( i = 0; i < Conf_ListenPorts_Count; i++ )
369 9856253d 2001-12-30 alex 	{
370 9856253d 2001-12-30 alex 		if( Conn_NewListener( Conf_ListenPorts[i] )) created++;
371 9856253d 2001-12-30 alex 		else Log( LOG_ERR, "Can't listen on port %d!", Conf_ListenPorts[i] );
372 9856253d 2001-12-30 alex 	}
373 9856253d 2001-12-30 alex 
374 9856253d 2001-12-30 alex 	if( created < 1 )
375 9856253d 2001-12-30 alex 	{
376 9856253d 2001-12-30 alex 		Log( LOG_ALERT, "Server isn't listening on a single port!" );
377 9856253d 2001-12-30 alex 		Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
378 9856253d 2001-12-30 alex 		exit( 1 );
379 9856253d 2001-12-30 alex 	}
380 9856253d 2001-12-30 alex } /* Initialize_Listen_Ports */
381 9856253d 2001-12-30 alex 
382 52424b49 2002-01-11 alex 
383 52424b49 2002-01-11 alex LOCAL VOID Show_Version( VOID )
384 52424b49 2002-01-11 alex {
385 52424b49 2002-01-11 alex 	puts( NGIRCd_Version( ));
386 52424b49 2002-01-11 alex 	puts( "Copyright (c)2001,2002 by Alexander Barton (alex@barton.de).\n" );
387 52424b49 2002-01-11 alex 	puts( "This is free software; see the source for copying conditions. There is NO" );
388 52424b49 2002-01-11 alex 	puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." );
389 52424b49 2002-01-11 alex } /* Show_Version */
390 52424b49 2002-01-11 alex 
391 52424b49 2002-01-11 alex 
392 52424b49 2002-01-11 alex LOCAL VOID Show_Help( VOID )
393 52424b49 2002-01-11 alex {
394 d67d94ea 2002-03-10 alex 	puts( "Compile-time defaults:\n" );
395 d67d94ea 2002-03-10 alex 	puts( "  - configuration: "CONFIG_FILE );
396 d67d94ea 2002-03-10 alex 	puts( "  - MOTD file: "MOTD_FILE );
397 d67d94ea 2002-03-10 alex 	puts( "  - server error log: "ERROR_FILE"\n" );
398 d67d94ea 2002-03-10 alex 	puts( "Run-time options:\n" );
399 52424b49 2002-01-11 alex #ifdef DEBUG
400 52424b49 2002-01-11 alex 	puts( "  -d, --debug       log extra debug messages" );
401 52424b49 2002-01-11 alex #endif
402 52424b49 2002-01-11 alex         puts( "  -n, --nodaemon    don't fork and don't detatch from controlling terminal" );
403 eea1a88b 2002-02-19 alex         puts( "  -p, --passive     disable automatic connections to other servers" );
404 9951e135 2002-01-21 alex #ifdef SNIFFER
405 9951e135 2002-01-21 alex 	puts( "  -s, --sniffer     enable network sniffer and display all IRC traffic" );
406 9951e135 2002-01-21 alex #endif
407 9951e135 2002-01-21 alex  	puts( "      --version     output version information and exit" );
408 9951e135 2002-01-21 alex 	puts( "      --help        display this help and exit" );
409 52424b49 2002-01-11 alex } /* Show_Help */
410 52424b49 2002-01-11 alex 
411 52424b49 2002-01-11 alex 
412 f4ade537 2001-12-11 alex /* -eof- */