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 14cbca87 2002-09-07 alex  * $Id: ngircd.c,v 1.54 2002/09/07 17:57:17 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 75c0bd25 2002-04-04 alex #include <stdlib.h>
 25 418add93 2001-12-12 alex #include <signal.h>
 26 52424b49 2002-01-11 alex #include <string.h>
 27 22cf0c5d 2002-01-12 alex #include <unistd.h>
 28 03d971d9 2002-01-02 alex #include <sys/types.h>
 29 9ec32d15 2002-06-02 alex #include <sys/stat.h>
 30 03d971d9 2002-01-02 alex #include <sys/wait.h>
 31 ac9da09e 2001-12-30 alex #include <time.h>
 32 b61b8c4d 2001-12-12 alex 
 33 ba258e65 2002-05-27 alex #include "resolve.h"
 34 ba258e65 2002-05-27 alex #include "conn.h"
 35 58c6c8f3 2001-12-14 alex #include "client.h"
 36 ba258e65 2002-05-27 alex #include "channel.h"
 37 418add93 2001-12-12 alex #include "conf.h"
 38 ca33cbda 2002-03-12 alex #include "defines.h"
 39 ba258e65 2002-05-27 alex #include "lists.h"
 40 f4ade537 2001-12-11 alex #include "log.h"
 41 1751c869 2001-12-21 alex #include "parse.h"
 42 ba258e65 2002-05-27 alex #include "irc.h"
 43 f4ade537 2001-12-11 alex 
 44 ca33cbda 2002-03-12 alex #include "exp.h"
 45 f4ade537 2001-12-11 alex #include "ngircd.h"
 46 f4ade537 2001-12-11 alex 
 47 f4ade537 2001-12-11 alex 
 48 ba258e65 2002-05-27 alex LOCAL VOID Initialize_Signal_Handler PARAMS(( VOID ));
 49 ba258e65 2002-05-27 alex LOCAL VOID Signal_Handler PARAMS(( INT Signal ));
 50 f4ade537 2001-12-11 alex 
 51 ba258e65 2002-05-27 alex LOCAL VOID Initialize_Listen_Ports PARAMS(( VOID ));
 52 f4ade537 2001-12-11 alex 
 53 ba258e65 2002-05-27 alex LOCAL VOID Show_Version PARAMS(( VOID ));
 54 ba258e65 2002-05-27 alex LOCAL VOID Show_Help PARAMS(( VOID ));
 55 9856253d 2001-12-30 alex 
 56 52424b49 2002-01-11 alex 
 57 ba258e65 2002-05-27 alex GLOBAL int
 58 ba258e65 2002-05-27 alex main( int argc, const char *argv[] )
 59 f4ade537 2001-12-11 alex {
 60 a89dc546 2002-03-27 alex 	BOOLEAN ok, configtest = FALSE;
 61 95a4b1b1 2002-03-25 alex 	INT32 pid, n;
 62 95a4b1b1 2002-03-25 alex 	INT i;
 63 52424b49 2002-01-11 alex 
 64 9ec32d15 2002-06-02 alex 	umask( 0077 );
 65 9ec32d15 2002-06-02 alex 
 66 52424b49 2002-01-11 alex 	NGIRCd_Restart = FALSE;
 67 52424b49 2002-01-11 alex 	NGIRCd_Quit = FALSE;
 68 52424b49 2002-01-11 alex 	NGIRCd_NoDaemon = FALSE;
 69 eea1a88b 2002-02-19 alex 	NGIRCd_Passive = FALSE;
 70 52424b49 2002-01-11 alex #ifdef DEBUG
 71 52424b49 2002-01-11 alex 	NGIRCd_Debug = FALSE;
 72 52424b49 2002-01-11 alex #endif
 73 d79a7d28 2002-01-18 alex #ifdef SNIFFER
 74 d79a7d28 2002-01-18 alex 	NGIRCd_Sniffer = FALSE;
 75 d79a7d28 2002-01-18 alex #endif
 76 a89dc546 2002-03-27 alex 	strcpy( NGIRCd_ConfFile, CONFIG_FILE );
 77 52424b49 2002-01-11 alex 
 78 52424b49 2002-01-11 alex 	/* Kommandozeile parsen */
 79 52424b49 2002-01-11 alex 	for( i = 1; i < argc; i++ )
 80 52424b49 2002-01-11 alex 	{
 81 52424b49 2002-01-11 alex 		ok = FALSE;
 82 52424b49 2002-01-11 alex 		if(( argv[i][0] == '-' ) && ( argv[i][1] == '-' ))
 83 52424b49 2002-01-11 alex 		{
 84 52424b49 2002-01-11 alex 			/* Lange Option */
 85 52424b49 2002-01-11 alex 
 86 72accd4e 2002-03-28 alex 			if( strcmp( argv[i], "--config" ) == 0 )
 87 72accd4e 2002-03-28 alex 			{
 88 72accd4e 2002-03-28 alex 				if( i + 1 < argc )
 89 72accd4e 2002-03-28 alex 				{
 90 72accd4e 2002-03-28 alex 					/* Ok, danach kommt noch ein Parameter */
 91 72accd4e 2002-03-28 alex 					strncpy( NGIRCd_ConfFile, argv[i + 1], FNAME_LEN - 1 );
 92 72accd4e 2002-03-28 alex 					NGIRCd_ConfFile[FNAME_LEN - 1] = '\0';
 93 72accd4e 2002-03-28 alex 
 94 72accd4e 2002-03-28 alex 					/* zum uebernaechsten Parameter */
 95 72accd4e 2002-03-28 alex 					i++; ok = TRUE;
 96 72accd4e 2002-03-28 alex 				}
 97 72accd4e 2002-03-28 alex 			}
 98 a89dc546 2002-03-27 alex 			if( strcmp( argv[i], "--configtest" ) == 0 )
 99 a89dc546 2002-03-27 alex 			{
100 a89dc546 2002-03-27 alex 				configtest = TRUE;
101 a89dc546 2002-03-27 alex 				ok = TRUE;
102 a89dc546 2002-03-27 alex 			}
103 eea1a88b 2002-02-19 alex #ifdef DEBUG
104 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--debug" ) == 0 )
105 eea1a88b 2002-02-19 alex 			{
106 eea1a88b 2002-02-19 alex 				NGIRCd_Debug = TRUE;
107 eea1a88b 2002-02-19 alex 				ok = TRUE;
108 eea1a88b 2002-02-19 alex 			}
109 eea1a88b 2002-02-19 alex #endif
110 52424b49 2002-01-11 alex 			if( strcmp( argv[i], "--help" ) == 0 )
111 52424b49 2002-01-11 alex 			{
112 a89dc546 2002-03-27 alex 				Show_Version( );
113 a89dc546 2002-03-27 alex 				puts( "" ); Show_Help( ); puts( "" );
114 52424b49 2002-01-11 alex 				exit( 1 );
115 52424b49 2002-01-11 alex 			}
116 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--nodaemon" ) == 0 )
117 52424b49 2002-01-11 alex 			{
118 eea1a88b 2002-02-19 alex 				NGIRCd_NoDaemon = TRUE;
119 eea1a88b 2002-02-19 alex 				ok = TRUE;
120 52424b49 2002-01-11 alex 			}
121 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--passive" ) == 0 )
122 52424b49 2002-01-11 alex 			{
123 eea1a88b 2002-02-19 alex 				NGIRCd_Passive = TRUE;
124 d79a7d28 2002-01-18 alex 				ok = TRUE;
125 d79a7d28 2002-01-18 alex 			}
126 d79a7d28 2002-01-18 alex #ifdef SNIFFER
127 d79a7d28 2002-01-18 alex 			if( strcmp( argv[i], "--sniffer" ) == 0 )
128 d79a7d28 2002-01-18 alex 			{
129 d79a7d28 2002-01-18 alex 				NGIRCd_Sniffer = TRUE;
130 52424b49 2002-01-11 alex 				ok = TRUE;
131 52424b49 2002-01-11 alex 			}
132 52424b49 2002-01-11 alex #endif
133 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--version" ) == 0 )
134 52424b49 2002-01-11 alex 			{
135 d67d94ea 2002-03-10 alex 				Show_Version( );
136 eea1a88b 2002-02-19 alex 				exit( 1 );
137 52424b49 2002-01-11 alex 			}
138 52424b49 2002-01-11 alex 		}
139 52424b49 2002-01-11 alex 		else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
140 52424b49 2002-01-11 alex 		{
141 52424b49 2002-01-11 alex 			/* Kurze Option */
142 52424b49 2002-01-11 alex 			
143 95a4b1b1 2002-03-25 alex 			for( n = 1; n < (INT32)strlen( argv[i] ); n++ )
144 52424b49 2002-01-11 alex 			{
145 52424b49 2002-01-11 alex 				ok = FALSE;
146 52424b49 2002-01-11 alex #ifdef DEBUG
147 52424b49 2002-01-11 alex 				if( argv[i][n] == 'd' )
148 52424b49 2002-01-11 alex 				{
149 52424b49 2002-01-11 alex 					NGIRCd_Debug = TRUE;
150 52424b49 2002-01-11 alex 					ok = TRUE;
151 52424b49 2002-01-11 alex 				}
152 52424b49 2002-01-11 alex #endif
153 72accd4e 2002-03-28 alex 				if( argv[i][n] == 'f' )
154 72accd4e 2002-03-28 alex 				{
155 85aad869 2002-03-31 alex 					if(( ! argv[i][n + 1] ) && ( i + 1 < argc ))
156 72accd4e 2002-03-28 alex 					{
157 72accd4e 2002-03-28 alex 						/* Ok, danach kommt ein Leerzeichen */
158 72accd4e 2002-03-28 alex 						strncpy( NGIRCd_ConfFile, argv[i + 1], FNAME_LEN - 1 );
159 72accd4e 2002-03-28 alex 						NGIRCd_ConfFile[FNAME_LEN - 1] = '\0';
160 72accd4e 2002-03-28 alex 
161 72accd4e 2002-03-28 alex 						/* zum uebernaechsten Parameter */
162 72accd4e 2002-03-28 alex 						i++; n = strlen( argv[i] );
163 72accd4e 2002-03-28 alex 						ok = TRUE;
164 72accd4e 2002-03-28 alex 					}
165 72accd4e 2002-03-28 alex 				}
166 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'n' )
167 eea1a88b 2002-02-19 alex 				{
168 eea1a88b 2002-02-19 alex 					NGIRCd_NoDaemon = TRUE;
169 eea1a88b 2002-02-19 alex 					ok = TRUE;
170 eea1a88b 2002-02-19 alex 				}
171 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'p' )
172 eea1a88b 2002-02-19 alex 				{
173 eea1a88b 2002-02-19 alex 					NGIRCd_Passive = TRUE;
174 eea1a88b 2002-02-19 alex 					ok = TRUE;
175 eea1a88b 2002-02-19 alex 				}
176 d79a7d28 2002-01-18 alex #ifdef SNIFFER
177 d79a7d28 2002-01-18 alex 				if( argv[i][n] == 's' )
178 d79a7d28 2002-01-18 alex 				{
179 d79a7d28 2002-01-18 alex 					NGIRCd_Sniffer = TRUE;
180 d79a7d28 2002-01-18 alex 					ok = TRUE;
181 d79a7d28 2002-01-18 alex 				}
182 d79a7d28 2002-01-18 alex #endif
183 52424b49 2002-01-11 alex 
184 52424b49 2002-01-11 alex 				if( ! ok )
185 52424b49 2002-01-11 alex 				{
186 ba258e65 2002-05-27 alex 					printf( "%s: invalid option \"-%c\"!\n", PACKAGE, argv[i][n] );
187 ba258e65 2002-05-27 alex 					printf( "Try \"%s --help\" for more information.\n", PACKAGE );
188 52424b49 2002-01-11 alex 					exit( 1 );
189 52424b49 2002-01-11 alex 				}
190 52424b49 2002-01-11 alex 			}
191 f4ade537 2001-12-11 alex 
192 52424b49 2002-01-11 alex 		}
193 52424b49 2002-01-11 alex 		if( ! ok )
194 52424b49 2002-01-11 alex 		{
195 ba258e65 2002-05-27 alex 			printf( "%s: invalid option \"%s\"!\n", PACKAGE, argv[i] );
196 ba258e65 2002-05-27 alex 			printf( "Try \"%s --help\" for more information.\n", PACKAGE );
197 52424b49 2002-01-11 alex 			exit( 1 );
198 52424b49 2002-01-11 alex 		}
199 52424b49 2002-01-11 alex 	}
200 52424b49 2002-01-11 alex 
201 eea1a88b 2002-02-19 alex 	/* Debug-Level (fuer IRC-Befehl "VERSION") ermitteln */
202 eea1a88b 2002-02-19 alex 	strcpy( NGIRCd_DebugLevel, "" );
203 eea1a88b 2002-02-19 alex #ifdef DEBUG
204 eea1a88b 2002-02-19 alex 	if( NGIRCd_Debug ) strcpy( NGIRCd_DebugLevel, "1" );
205 eea1a88b 2002-02-19 alex #endif
206 eea1a88b 2002-02-19 alex #ifdef SNIFFER
207 991da8ea 2002-05-18 alex 	if( NGIRCd_Sniffer )
208 991da8ea 2002-05-18 alex 	{
209 991da8ea 2002-05-18 alex 		NGIRCd_Debug = TRUE;
210 991da8ea 2002-05-18 alex 		strcpy( NGIRCd_DebugLevel, "2" );
211 991da8ea 2002-05-18 alex 	}
212 eea1a88b 2002-02-19 alex #endif
213 a89dc546 2002-03-27 alex 
214 a89dc546 2002-03-27 alex 	/* Soll nur die Konfigurations ueberprueft und ausgegeben werden? */
215 a89dc546 2002-03-27 alex 	if( configtest )
216 a89dc546 2002-03-27 alex 	{
217 a89dc546 2002-03-27 alex 		Show_Version( ); puts( "" );
218 a89dc546 2002-03-27 alex 		exit( Conf_Test( ));
219 a89dc546 2002-03-27 alex 	}
220 eea1a88b 2002-02-19 alex 	
221 804b1ec4 2001-12-31 alex 	while( ! NGIRCd_Quit )
222 804b1ec4 2001-12-31 alex 	{
223 22cf0c5d 2002-01-12 alex 		/* In der Regel wird ein Sub-Prozess ge-fork()'t, der
224 22cf0c5d 2002-01-12 alex 		 * nicht mehr mit dem Terminal verbunden ist. Mit der
225 22cf0c5d 2002-01-12 alex 		 * Option "--nodaemon" kann dies (z.B. zum Debuggen)
226 22cf0c5d 2002-01-12 alex 		 * verhindert werden. */
227 22cf0c5d 2002-01-12 alex 		if( ! NGIRCd_NoDaemon )
228 22cf0c5d 2002-01-12 alex 		{
229 22cf0c5d 2002-01-12 alex 			/* Daemon im Hintergrund erzeugen */
230 95a4b1b1 2002-03-25 alex 			pid = (INT32)fork( );
231 22cf0c5d 2002-01-12 alex 			if( pid > 0 )
232 22cf0c5d 2002-01-12 alex 			{
233 22cf0c5d 2002-01-12 alex 				/* "alter" Prozess */
234 22cf0c5d 2002-01-12 alex 				exit( 0 );
235 22cf0c5d 2002-01-12 alex 			}
236 22cf0c5d 2002-01-12 alex 			if( pid < 0 )
237 22cf0c5d 2002-01-12 alex 			{
238 22cf0c5d 2002-01-12 alex 				/* Fehler */
239 ba258e65 2002-05-27 alex 				printf( "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE, strerror( errno ));
240 22cf0c5d 2002-01-12 alex 				exit( 1 );
241 22cf0c5d 2002-01-12 alex 			}
242 fe2bc90e 2002-03-06 alex 
243 fe2bc90e 2002-03-06 alex 			/* Child-Prozess initialisieren */
244 95a4b1b1 2002-03-25 alex 			(VOID)setsid( );
245 22cf0c5d 2002-01-12 alex 			chdir( "/" );
246 22cf0c5d 2002-01-12 alex 		}
247 22cf0c5d 2002-01-12 alex 	
248 804b1ec4 2001-12-31 alex 		/* Globale Variablen initialisieren */
249 804b1ec4 2001-12-31 alex 		NGIRCd_Start = time( NULL );
250 95a4b1b1 2002-03-25 alex 		(VOID)strftime( NGIRCd_StartStr, 64, "%a %b %d %Y at %H:%M:%S (%Z)", localtime( &NGIRCd_Start ));
251 804b1ec4 2001-12-31 alex 		NGIRCd_Restart = FALSE;
252 804b1ec4 2001-12-31 alex 		NGIRCd_Quit = FALSE;
253 ff280ce4 2001-12-12 alex 
254 804b1ec4 2001-12-31 alex 		/* Module initialisieren */
255 804b1ec4 2001-12-31 alex 		Log_Init( );
256 ba258e65 2002-05-27 alex 		Resolve_Init( );
257 804b1ec4 2001-12-31 alex 		Conf_Init( );
258 ba258e65 2002-05-27 alex 		Lists_Init( );
259 804b1ec4 2001-12-31 alex 		Channel_Init( );
260 804b1ec4 2001-12-31 alex 		Client_Init( );
261 804b1ec4 2001-12-31 alex 		Conn_Init( );
262 f4ade537 2001-12-11 alex 
263 07c3e62e 2002-03-29 alex 		/* Wenn als root ausgefuehrt und eine andere UID
264 07c3e62e 2002-03-29 alex 		 * konfiguriert ist, jetzt zu dieser wechseln */
265 fe06f6e9 2002-03-29 alex 		if( getuid( ) == 0 )
266 07c3e62e 2002-03-29 alex 		{
267 fe06f6e9 2002-03-29 alex 			if( Conf_GID != 0 )
268 07c3e62e 2002-03-29 alex 			{
269 07c3e62e 2002-03-29 alex 				/* Neue Group-ID setzen */
270 07c3e62e 2002-03-29 alex 				if( setgid( Conf_GID ) != 0 ) Log( LOG_ERR, "Can't change Group-ID to %u: %s", Conf_GID, strerror( errno ));
271 07c3e62e 2002-03-29 alex 			}
272 fe06f6e9 2002-03-29 alex 			if( Conf_UID != 0 )
273 07c3e62e 2002-03-29 alex 			{
274 07c3e62e 2002-03-29 alex 				/* Neue User-ID setzen */
275 fe06f6e9 2002-03-29 alex 				if( setuid( Conf_UID ) != 0 ) Log( LOG_ERR, "Can't change User-ID to %u: %s", Conf_UID, strerror( errno ));
276 07c3e62e 2002-03-29 alex 			}
277 07c3e62e 2002-03-29 alex 		}
278 b788a3da 2002-06-02 alex 		Log( LOG_INFO, "Running as user %ld, group %ld, with PID %ld.", (INT32)getuid( ), (INT32)getgid( ), (INT32)getpid( ));
279 07c3e62e 2002-03-29 alex 
280 fe06f6e9 2002-03-29 alex 		Log_InitErrorfile( );
281 fe06f6e9 2002-03-29 alex 
282 804b1ec4 2001-12-31 alex 		/* Signal-Handler initialisieren */
283 804b1ec4 2001-12-31 alex 		Initialize_Signal_Handler( );
284 65b31ffb 2002-09-02 alex 
285 c76e6769 2002-09-02 alex 		/* Protokoll- und Server-Identifikation erzeugen. Die vom ngIRCd
286 c76e6769 2002-09-02 alex 		 * beim PASS-Befehl verwendete Syntax sowie die erweiterten Flags
287 c76e6769 2002-09-02 alex 		 * sind in doc/Protocol.txt beschrieben. */
288 14cbca87 2002-09-07 alex #ifdef IRCPLUS
289 1c668252 2002-09-03 alex 		sprintf( NGIRCd_ProtoID, "%s%s %s|%s:%s", PROTOVER, PROTOIRCPLUS, PACKAGE, VERSION, IRCPLUSFLAGS );
290 c76e6769 2002-09-02 alex 		if( Conf_OperCanMode ) strcat( NGIRCd_ProtoID, "o" );
291 14cbca87 2002-09-07 alex #else
292 14cbca87 2002-09-07 alex 		sprintf( NGIRCd_ProtoID, "%s%s %s|%s", PROTOVER, PROTOIRC, PACKAGE, VERSION );
293 14cbca87 2002-09-07 alex #endif
294 c76e6769 2002-09-02 alex 		strcat( NGIRCd_ProtoID, " P" );
295 65b31ffb 2002-09-02 alex 		Log( LOG_DEBUG, "Protocol and server ID is \"%s\".", NGIRCd_ProtoID );
296 9856253d 2001-12-30 alex 
297 b788a3da 2002-06-02 alex 		/* Vordefinierte Channels anlegen */
298 b788a3da 2002-06-02 alex 		Channel_InitPredefined( );
299 b788a3da 2002-06-02 alex 
300 804b1ec4 2001-12-31 alex 		/* Listen-Ports initialisieren */
301 804b1ec4 2001-12-31 alex 		Initialize_Listen_Ports( );
302 804b1ec4 2001-12-31 alex 
303 804b1ec4 2001-12-31 alex 		/* Hauptschleife */
304 9ec32d15 2002-06-02 alex 		Conn_Handler( );
305 804b1ec4 2001-12-31 alex 
306 804b1ec4 2001-12-31 alex 		/* Alles abmelden */
307 804b1ec4 2001-12-31 alex 		Conn_Exit( );
308 804b1ec4 2001-12-31 alex 		Client_Exit( );
309 804b1ec4 2001-12-31 alex 		Channel_Exit( );
310 ba258e65 2002-05-27 alex 		Lists_Exit( );
311 804b1ec4 2001-12-31 alex 		Log_Exit( );
312 804b1ec4 2001-12-31 alex 	}
313 fe2bc90e 2002-03-06 alex 
314 f4ade537 2001-12-11 alex 	return 0;
315 f4ade537 2001-12-11 alex } /* main */
316 f4ade537 2001-12-11 alex 
317 f4ade537 2001-12-11 alex 
318 ba258e65 2002-05-27 alex GLOBAL CHAR *
319 ba258e65 2002-05-27 alex NGIRCd_Version( VOID )
320 52424b49 2002-01-11 alex {
321 52424b49 2002-01-11 alex 	STATIC CHAR version[126];
322 52424b49 2002-01-11 alex 
323 14cbca87 2002-09-07 alex 	sprintf( version, "%s %s-%s", PACKAGE, VERSION, NGIRCd_VersionAddition( ));
324 3fbbfe44 2002-02-17 alex 	return version;
325 3fbbfe44 2002-02-17 alex } /* NGIRCd_Version */
326 3fbbfe44 2002-02-17 alex 
327 3fbbfe44 2002-02-17 alex 
328 ba258e65 2002-05-27 alex GLOBAL CHAR *
329 ba258e65 2002-05-27 alex NGIRCd_VersionAddition( VOID )
330 3fbbfe44 2002-02-17 alex {
331 3fbbfe44 2002-02-17 alex 	STATIC CHAR txt[64];
332 3fbbfe44 2002-02-17 alex 
333 52424b49 2002-01-11 alex 	strcpy( txt, "" );
334 52424b49 2002-01-11 alex 
335 52424b49 2002-01-11 alex #ifdef USE_SYSLOG
336 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
337 52424b49 2002-01-11 alex 	strcat( txt, "SYSLOG" );
338 52424b49 2002-01-11 alex #endif
339 52424b49 2002-01-11 alex #ifdef DEBUG
340 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
341 52424b49 2002-01-11 alex 	strcat( txt, "DEBUG" );
342 52424b49 2002-01-11 alex #endif
343 52424b49 2002-01-11 alex #ifdef SNIFFER
344 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
345 52424b49 2002-01-11 alex 	strcat( txt, "SNIFFER" );
346 52424b49 2002-01-11 alex #endif
347 14cbca87 2002-09-07 alex #ifdef STRICT_RFC
348 14cbca87 2002-09-07 alex 	if( txt[0] ) strcat( txt, "+" );
349 14cbca87 2002-09-07 alex 	strcat( txt, "RFC" );
350 14cbca87 2002-09-07 alex #endif
351 14cbca87 2002-09-07 alex #ifdef IRCPLUS
352 14cbca87 2002-09-07 alex 	if( txt[0] ) strcat( txt, "+" );
353 14cbca87 2002-09-07 alex 	strcat( txt, "IRCPLUS" );
354 14cbca87 2002-09-07 alex #endif
355 14cbca87 2002-09-07 alex 	
356 3fbbfe44 2002-02-17 alex 	if( txt[0] ) strcat( txt, "-" );
357 f7327524 2002-05-30 alex 	strcat( txt, TARGET_CPU );
358 f7327524 2002-05-30 alex 	strcat( txt, "/" );
359 f7327524 2002-05-30 alex 	strcat( txt, TARGET_VENDOR );
360 f7327524 2002-05-30 alex 	strcat( txt, "/" );
361 f7327524 2002-05-30 alex 	strcat( txt, TARGET_OS );
362 52424b49 2002-01-11 alex 
363 3fbbfe44 2002-02-17 alex 	return txt;
364 3fbbfe44 2002-02-17 alex } /* NGIRCd_VersionAddition */
365 52424b49 2002-01-11 alex 
366 3fbbfe44 2002-02-17 alex 
367 ba258e65 2002-05-27 alex LOCAL VOID
368 ba258e65 2002-05-27 alex Initialize_Signal_Handler( VOID )
369 418add93 2001-12-12 alex {
370 08cf5607 2001-12-26 alex 	/* Signal-Handler initialisieren: einige Signale
371 08cf5607 2001-12-26 alex 	 * werden ignoriert, andere speziell behandelt. */
372 418add93 2001-12-12 alex 
373 62266a8d 2002-02-25 alex #ifdef HAVE_SIGACTION
374 62266a8d 2002-02-25 alex 	/* sigaction() ist vorhanden */
375 62266a8d 2002-02-25 alex 
376 418add93 2001-12-12 alex 	struct sigaction saction;
377 418add93 2001-12-12 alex 
378 418add93 2001-12-12 alex 	/* Signal-Struktur initialisieren */
379 418add93 2001-12-12 alex 	memset( &saction, 0, sizeof( saction ));
380 23253edb 2002-01-22 alex 	saction.sa_handler = Signal_Handler;
381 9919f38d 2002-02-19 alex #ifdef SA_RESTART
382 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_RESTART;
383 9919f38d 2002-02-19 alex #endif
384 6f955d2a 2002-02-23 alex #ifdef SA_NOCLDWAIT
385 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_NOCLDWAIT;
386 6f955d2a 2002-02-23 alex #endif
387 418add93 2001-12-12 alex 
388 418add93 2001-12-12 alex 	/* Signal-Handler einhaengen */
389 418add93 2001-12-12 alex 	sigaction( SIGINT, &saction, NULL );
390 418add93 2001-12-12 alex 	sigaction( SIGQUIT, &saction, NULL );
391 418add93 2001-12-12 alex 	sigaction( SIGTERM, &saction, NULL);
392 3fbbfe44 2002-02-17 alex 	sigaction( SIGHUP, &saction, NULL);
393 03d971d9 2002-01-02 alex 	sigaction( SIGCHLD, &saction, NULL);
394 eb952e35 2001-12-24 alex 
395 eb952e35 2001-12-24 alex 	/* einige Signale ignorieren */
396 eb952e35 2001-12-24 alex 	saction.sa_handler = SIG_IGN;
397 eb952e35 2001-12-24 alex 	sigaction( SIGPIPE, &saction, NULL );
398 62266a8d 2002-02-25 alex #else
399 62266a8d 2002-02-25 alex 	/* kein sigaction() vorhanden */
400 62266a8d 2002-02-25 alex 
401 62266a8d 2002-02-25 alex 	/* Signal-Handler einhaengen */
402 62266a8d 2002-02-25 alex 	signal( SIGINT, Signal_Handler );
403 62266a8d 2002-02-25 alex 	signal( SIGQUIT, Signal_Handler );
404 62266a8d 2002-02-25 alex 	signal( SIGTERM, Signal_Handler );
405 62266a8d 2002-02-25 alex 	signal( SIGHUP, Signal_Handler );
406 62266a8d 2002-02-25 alex 	signal( SIGCHLD, Signal_Handler );
407 62266a8d 2002-02-25 alex 
408 62266a8d 2002-02-25 alex 	/* einige Signale ignorieren */
409 62266a8d 2002-02-25 alex 	signal( SIGPIPE, SIG_IGN );
410 62266a8d 2002-02-25 alex #endif
411 418add93 2001-12-12 alex } /* Initialize_Signal_Handler */
412 418add93 2001-12-12 alex 
413 418add93 2001-12-12 alex 
414 ba258e65 2002-05-27 alex LOCAL VOID
415 ba258e65 2002-05-27 alex Signal_Handler( INT Signal )
416 f4ade537 2001-12-11 alex {
417 418add93 2001-12-12 alex 	/* Signal-Handler. Dieser wird aufgerufen, wenn eines der Signale eintrifft,
418 418add93 2001-12-12 alex 	 * fuer das wir uns registriert haben (vgl. Initialize_Signal_Handler). Die
419 418add93 2001-12-12 alex 	 * Nummer des eingetroffenen Signals wird der Funktion uebergeben. */
420 418add93 2001-12-12 alex 
421 f4ade537 2001-12-11 alex 	switch( Signal )
422 f4ade537 2001-12-11 alex 	{
423 f4ade537 2001-12-11 alex 		case SIGTERM:
424 b61b8c4d 2001-12-12 alex 		case SIGINT:
425 b61b8c4d 2001-12-12 alex 		case SIGQUIT:
426 418add93 2001-12-12 alex 			/* wir soll(t)en uns wohl beenden ... */
427 3fbbfe44 2002-02-17 alex 			if( Signal == SIGTERM ) Log( LOG_WARNING, "Got TERM signal, terminating now ..." );
428 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGINT ) Log( LOG_WARNING, "Got INT signal, terminating now ..." );
429 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGQUIT ) Log( LOG_WARNING, "Got QUIT signal, terminating now ..." );
430 ff280ce4 2001-12-12 alex 			NGIRCd_Quit = TRUE;
431 f4ade537 2001-12-11 alex 			break;
432 3fbbfe44 2002-02-17 alex 		case SIGHUP:
433 3fbbfe44 2002-02-17 alex 			/* neu starten */
434 3fbbfe44 2002-02-17 alex 			Log( LOG_WARNING, "Got HUP signal, restarting now ..." );
435 3fbbfe44 2002-02-17 alex 			NGIRCd_Restart = TRUE;
436 3fbbfe44 2002-02-17 alex 			break;
437 03d971d9 2002-01-02 alex 		case SIGCHLD:
438 03d971d9 2002-01-02 alex 			/* Child-Prozess wurde beendet. Zombies vermeiden: */
439 03d971d9 2002-01-02 alex 			while( waitpid( -1, NULL, WNOHANG ) > 0);
440 03d971d9 2002-01-02 alex 			break;
441 f4ade537 2001-12-11 alex 		default:
442 418add93 2001-12-12 alex 			/* unbekanntes bzw. unbehandeltes Signal */
443 ff280ce4 2001-12-12 alex 			Log( LOG_NOTICE, "Got signal %d! Ignored.", Signal );
444 f4ade537 2001-12-11 alex 	}
445 f4ade537 2001-12-11 alex } /* Signal_Handler */
446 f4ade537 2001-12-11 alex 
447 f4ade537 2001-12-11 alex 
448 ba258e65 2002-05-27 alex LOCAL VOID
449 ba258e65 2002-05-27 alex Initialize_Listen_Ports( VOID )
450 9856253d 2001-12-30 alex {
451 9856253d 2001-12-30 alex 	/* Ports, auf denen der Server Verbindungen entgegennehmen
452 9856253d 2001-12-30 alex 	 * soll, initialisieren */
453 9856253d 2001-12-30 alex 	
454 07c3e62e 2002-03-29 alex 	UINT created, i;
455 9856253d 2001-12-30 alex 
456 9856253d 2001-12-30 alex 	created = 0;
457 9856253d 2001-12-30 alex 	for( i = 0; i < Conf_ListenPorts_Count; i++ )
458 9856253d 2001-12-30 alex 	{
459 9856253d 2001-12-30 alex 		if( Conn_NewListener( Conf_ListenPorts[i] )) created++;
460 07c3e62e 2002-03-29 alex 		else Log( LOG_ERR, "Can't listen on port %u!", Conf_ListenPorts[i] );
461 9856253d 2001-12-30 alex 	}
462 9856253d 2001-12-30 alex 
463 9856253d 2001-12-30 alex 	if( created < 1 )
464 9856253d 2001-12-30 alex 	{
465 9856253d 2001-12-30 alex 		Log( LOG_ALERT, "Server isn't listening on a single port!" );
466 ba258e65 2002-05-27 alex 		Log( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
467 9856253d 2001-12-30 alex 		exit( 1 );
468 9856253d 2001-12-30 alex 	}
469 9856253d 2001-12-30 alex } /* Initialize_Listen_Ports */
470 9856253d 2001-12-30 alex 
471 52424b49 2002-01-11 alex 
472 ba258e65 2002-05-27 alex LOCAL VOID
473 ba258e65 2002-05-27 alex Show_Version( VOID )
474 52424b49 2002-01-11 alex {
475 52424b49 2002-01-11 alex 	puts( NGIRCd_Version( ));
476 5b27e491 2002-04-01 alex 	puts( "Copyright (c)2001,2002 by Alexander Barton (<alex@barton.de>)." );
477 5b27e491 2002-04-01 alex 	puts( "Homepage: <http://arthur.ath.cx/~alex/ngircd/>\n" );
478 52424b49 2002-01-11 alex 	puts( "This is free software; see the source for copying conditions. There is NO" );
479 52424b49 2002-01-11 alex 	puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." );
480 52424b49 2002-01-11 alex } /* Show_Version */
481 52424b49 2002-01-11 alex 
482 52424b49 2002-01-11 alex 
483 ba258e65 2002-05-27 alex LOCAL VOID
484 ba258e65 2002-05-27 alex Show_Help( VOID )
485 52424b49 2002-01-11 alex {
486 52424b49 2002-01-11 alex #ifdef DEBUG
487 72accd4e 2002-03-28 alex 	puts( "  -d, --debug        log extra debug messages" );
488 52424b49 2002-01-11 alex #endif
489 72accd4e 2002-03-28 alex 	puts( "  -f, --config <f>   use file <f> as configuration file" );
490 72accd4e 2002-03-28 alex         puts( "  -n, --nodaemon     don't fork and don't detatch from controlling terminal" );
491 72accd4e 2002-03-28 alex         puts( "  -p, --passive      disable automatic connections to other servers" );
492 72accd4e 2002-03-28 alex #ifdef SNIFFER
493 72accd4e 2002-03-28 alex 	puts( "  -s, --sniffer      enable network sniffer and display all IRC traffic" );
494 9951e135 2002-01-21 alex #endif
495 72accd4e 2002-03-28 alex 	puts( "      --configtest   read, validate and display configuration; then exit" );
496 72accd4e 2002-03-28 alex  	puts( "      --version      output version information and exit" );
497 72accd4e 2002-03-28 alex 	puts( "      --help         display this help and exit" );
498 52424b49 2002-01-11 alex } /* Show_Help */
499 52424b49 2002-01-11 alex 
500 52424b49 2002-01-11 alex 
501 f4ade537 2001-12-11 alex /* -eof- */