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 1c0ded41 2002-11-18 alex  * $Id: ngircd.c,v 1.59 2002/11/18 18:49:34 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 70c9c051 2002-11-10 alex #include <pwd.h>
 33 70c9c051 2002-11-10 alex #include <grp.h>
 34 b61b8c4d 2001-12-12 alex 
 35 ba258e65 2002-05-27 alex #include "resolve.h"
 36 ba258e65 2002-05-27 alex #include "conn.h"
 37 58c6c8f3 2001-12-14 alex #include "client.h"
 38 ba258e65 2002-05-27 alex #include "channel.h"
 39 418add93 2001-12-12 alex #include "conf.h"
 40 25f32ce8 2002-10-07 alex #include "cvs-version.h"
 41 ca33cbda 2002-03-12 alex #include "defines.h"
 42 ba258e65 2002-05-27 alex #include "lists.h"
 43 f4ade537 2001-12-11 alex #include "log.h"
 44 1751c869 2001-12-21 alex #include "parse.h"
 45 ba258e65 2002-05-27 alex #include "irc.h"
 46 f4ade537 2001-12-11 alex 
 47 ca33cbda 2002-03-12 alex #include "exp.h"
 48 f4ade537 2001-12-11 alex #include "ngircd.h"
 49 f4ade537 2001-12-11 alex 
 50 f4ade537 2001-12-11 alex 
 51 ba258e65 2002-05-27 alex LOCAL VOID Initialize_Signal_Handler PARAMS(( VOID ));
 52 ba258e65 2002-05-27 alex LOCAL VOID Signal_Handler PARAMS(( INT Signal ));
 53 f4ade537 2001-12-11 alex 
 54 ba258e65 2002-05-27 alex LOCAL VOID Initialize_Listen_Ports PARAMS(( VOID ));
 55 f4ade537 2001-12-11 alex 
 56 ba258e65 2002-05-27 alex LOCAL VOID Show_Version PARAMS(( VOID ));
 57 ba258e65 2002-05-27 alex LOCAL VOID Show_Help PARAMS(( VOID ));
 58 9856253d 2001-12-30 alex 
 59 52424b49 2002-01-11 alex 
 60 ba258e65 2002-05-27 alex GLOBAL int
 61 ba258e65 2002-05-27 alex main( int argc, const char *argv[] )
 62 f4ade537 2001-12-11 alex {
 63 70c9c051 2002-11-10 alex 	struct passwd *pwd;
 64 70c9c051 2002-11-10 alex 	struct group *grp;
 65 a89dc546 2002-03-27 alex 	BOOLEAN ok, configtest = FALSE;
 66 c7b55aa6 2002-10-09 alex 	LONG pid, n;
 67 95a4b1b1 2002-03-25 alex 	INT i;
 68 52424b49 2002-01-11 alex 
 69 9ec32d15 2002-06-02 alex 	umask( 0077 );
 70 9ec32d15 2002-06-02 alex 
 71 52424b49 2002-01-11 alex 	NGIRCd_Restart = FALSE;
 72 52424b49 2002-01-11 alex 	NGIRCd_Quit = FALSE;
 73 52424b49 2002-01-11 alex 	NGIRCd_NoDaemon = FALSE;
 74 eea1a88b 2002-02-19 alex 	NGIRCd_Passive = FALSE;
 75 52424b49 2002-01-11 alex #ifdef DEBUG
 76 52424b49 2002-01-11 alex 	NGIRCd_Debug = FALSE;
 77 52424b49 2002-01-11 alex #endif
 78 d79a7d28 2002-01-18 alex #ifdef SNIFFER
 79 d79a7d28 2002-01-18 alex 	NGIRCd_Sniffer = FALSE;
 80 d79a7d28 2002-01-18 alex #endif
 81 a89dc546 2002-03-27 alex 	strcpy( NGIRCd_ConfFile, CONFIG_FILE );
 82 52424b49 2002-01-11 alex 
 83 52424b49 2002-01-11 alex 	/* Kommandozeile parsen */
 84 52424b49 2002-01-11 alex 	for( i = 1; i < argc; i++ )
 85 52424b49 2002-01-11 alex 	{
 86 52424b49 2002-01-11 alex 		ok = FALSE;
 87 52424b49 2002-01-11 alex 		if(( argv[i][0] == '-' ) && ( argv[i][1] == '-' ))
 88 52424b49 2002-01-11 alex 		{
 89 52424b49 2002-01-11 alex 			/* Lange Option */
 90 52424b49 2002-01-11 alex 
 91 72accd4e 2002-03-28 alex 			if( strcmp( argv[i], "--config" ) == 0 )
 92 72accd4e 2002-03-28 alex 			{
 93 72accd4e 2002-03-28 alex 				if( i + 1 < argc )
 94 72accd4e 2002-03-28 alex 				{
 95 72accd4e 2002-03-28 alex 					/* Ok, danach kommt noch ein Parameter */
 96 72accd4e 2002-03-28 alex 					strncpy( NGIRCd_ConfFile, argv[i + 1], FNAME_LEN - 1 );
 97 72accd4e 2002-03-28 alex 					NGIRCd_ConfFile[FNAME_LEN - 1] = '\0';
 98 72accd4e 2002-03-28 alex 
 99 72accd4e 2002-03-28 alex 					/* zum uebernaechsten Parameter */
100 72accd4e 2002-03-28 alex 					i++; ok = TRUE;
101 72accd4e 2002-03-28 alex 				}
102 72accd4e 2002-03-28 alex 			}
103 a89dc546 2002-03-27 alex 			if( strcmp( argv[i], "--configtest" ) == 0 )
104 a89dc546 2002-03-27 alex 			{
105 a89dc546 2002-03-27 alex 				configtest = TRUE;
106 a89dc546 2002-03-27 alex 				ok = TRUE;
107 a89dc546 2002-03-27 alex 			}
108 eea1a88b 2002-02-19 alex #ifdef DEBUG
109 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--debug" ) == 0 )
110 eea1a88b 2002-02-19 alex 			{
111 eea1a88b 2002-02-19 alex 				NGIRCd_Debug = TRUE;
112 eea1a88b 2002-02-19 alex 				ok = TRUE;
113 eea1a88b 2002-02-19 alex 			}
114 eea1a88b 2002-02-19 alex #endif
115 52424b49 2002-01-11 alex 			if( strcmp( argv[i], "--help" ) == 0 )
116 52424b49 2002-01-11 alex 			{
117 a89dc546 2002-03-27 alex 				Show_Version( );
118 a89dc546 2002-03-27 alex 				puts( "" ); Show_Help( ); puts( "" );
119 52424b49 2002-01-11 alex 				exit( 1 );
120 52424b49 2002-01-11 alex 			}
121 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--nodaemon" ) == 0 )
122 52424b49 2002-01-11 alex 			{
123 eea1a88b 2002-02-19 alex 				NGIRCd_NoDaemon = TRUE;
124 eea1a88b 2002-02-19 alex 				ok = TRUE;
125 52424b49 2002-01-11 alex 			}
126 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--passive" ) == 0 )
127 52424b49 2002-01-11 alex 			{
128 eea1a88b 2002-02-19 alex 				NGIRCd_Passive = TRUE;
129 d79a7d28 2002-01-18 alex 				ok = TRUE;
130 d79a7d28 2002-01-18 alex 			}
131 d79a7d28 2002-01-18 alex #ifdef SNIFFER
132 d79a7d28 2002-01-18 alex 			if( strcmp( argv[i], "--sniffer" ) == 0 )
133 d79a7d28 2002-01-18 alex 			{
134 d79a7d28 2002-01-18 alex 				NGIRCd_Sniffer = TRUE;
135 52424b49 2002-01-11 alex 				ok = TRUE;
136 52424b49 2002-01-11 alex 			}
137 52424b49 2002-01-11 alex #endif
138 eea1a88b 2002-02-19 alex 			if( strcmp( argv[i], "--version" ) == 0 )
139 52424b49 2002-01-11 alex 			{
140 d67d94ea 2002-03-10 alex 				Show_Version( );
141 eea1a88b 2002-02-19 alex 				exit( 1 );
142 52424b49 2002-01-11 alex 			}
143 52424b49 2002-01-11 alex 		}
144 52424b49 2002-01-11 alex 		else if(( argv[i][0] == '-' ) && ( argv[i][1] != '-' ))
145 52424b49 2002-01-11 alex 		{
146 52424b49 2002-01-11 alex 			/* Kurze Option */
147 52424b49 2002-01-11 alex 			
148 c7b55aa6 2002-10-09 alex 			for( n = 1; n < (LONG)strlen( argv[i] ); n++ )
149 52424b49 2002-01-11 alex 			{
150 52424b49 2002-01-11 alex 				ok = FALSE;
151 52424b49 2002-01-11 alex #ifdef DEBUG
152 52424b49 2002-01-11 alex 				if( argv[i][n] == 'd' )
153 52424b49 2002-01-11 alex 				{
154 52424b49 2002-01-11 alex 					NGIRCd_Debug = TRUE;
155 52424b49 2002-01-11 alex 					ok = TRUE;
156 52424b49 2002-01-11 alex 				}
157 52424b49 2002-01-11 alex #endif
158 72accd4e 2002-03-28 alex 				if( argv[i][n] == 'f' )
159 72accd4e 2002-03-28 alex 				{
160 85aad869 2002-03-31 alex 					if(( ! argv[i][n + 1] ) && ( i + 1 < argc ))
161 72accd4e 2002-03-28 alex 					{
162 72accd4e 2002-03-28 alex 						/* Ok, danach kommt ein Leerzeichen */
163 72accd4e 2002-03-28 alex 						strncpy( NGIRCd_ConfFile, argv[i + 1], FNAME_LEN - 1 );
164 72accd4e 2002-03-28 alex 						NGIRCd_ConfFile[FNAME_LEN - 1] = '\0';
165 72accd4e 2002-03-28 alex 
166 72accd4e 2002-03-28 alex 						/* zum uebernaechsten Parameter */
167 c7b55aa6 2002-10-09 alex 						i++; n = (LONG)strlen( argv[i] );
168 72accd4e 2002-03-28 alex 						ok = TRUE;
169 72accd4e 2002-03-28 alex 					}
170 72accd4e 2002-03-28 alex 				}
171 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'n' )
172 eea1a88b 2002-02-19 alex 				{
173 eea1a88b 2002-02-19 alex 					NGIRCd_NoDaemon = TRUE;
174 eea1a88b 2002-02-19 alex 					ok = TRUE;
175 eea1a88b 2002-02-19 alex 				}
176 eea1a88b 2002-02-19 alex 				if( argv[i][n] == 'p' )
177 eea1a88b 2002-02-19 alex 				{
178 eea1a88b 2002-02-19 alex 					NGIRCd_Passive = TRUE;
179 eea1a88b 2002-02-19 alex 					ok = TRUE;
180 eea1a88b 2002-02-19 alex 				}
181 d79a7d28 2002-01-18 alex #ifdef SNIFFER
182 d79a7d28 2002-01-18 alex 				if( argv[i][n] == 's' )
183 d79a7d28 2002-01-18 alex 				{
184 d79a7d28 2002-01-18 alex 					NGIRCd_Sniffer = TRUE;
185 d79a7d28 2002-01-18 alex 					ok = TRUE;
186 d79a7d28 2002-01-18 alex 				}
187 d79a7d28 2002-01-18 alex #endif
188 52424b49 2002-01-11 alex 
189 52424b49 2002-01-11 alex 				if( ! ok )
190 52424b49 2002-01-11 alex 				{
191 ba258e65 2002-05-27 alex 					printf( "%s: invalid option \"-%c\"!\n", PACKAGE, argv[i][n] );
192 ba258e65 2002-05-27 alex 					printf( "Try \"%s --help\" for more information.\n", PACKAGE );
193 52424b49 2002-01-11 alex 					exit( 1 );
194 52424b49 2002-01-11 alex 				}
195 52424b49 2002-01-11 alex 			}
196 f4ade537 2001-12-11 alex 
197 52424b49 2002-01-11 alex 		}
198 52424b49 2002-01-11 alex 		if( ! ok )
199 52424b49 2002-01-11 alex 		{
200 ba258e65 2002-05-27 alex 			printf( "%s: invalid option \"%s\"!\n", PACKAGE, argv[i] );
201 ba258e65 2002-05-27 alex 			printf( "Try \"%s --help\" for more information.\n", PACKAGE );
202 52424b49 2002-01-11 alex 			exit( 1 );
203 52424b49 2002-01-11 alex 		}
204 52424b49 2002-01-11 alex 	}
205 52424b49 2002-01-11 alex 
206 eea1a88b 2002-02-19 alex 	/* Debug-Level (fuer IRC-Befehl "VERSION") ermitteln */
207 eea1a88b 2002-02-19 alex 	strcpy( NGIRCd_DebugLevel, "" );
208 eea1a88b 2002-02-19 alex #ifdef DEBUG
209 eea1a88b 2002-02-19 alex 	if( NGIRCd_Debug ) strcpy( NGIRCd_DebugLevel, "1" );
210 eea1a88b 2002-02-19 alex #endif
211 eea1a88b 2002-02-19 alex #ifdef SNIFFER
212 991da8ea 2002-05-18 alex 	if( NGIRCd_Sniffer )
213 991da8ea 2002-05-18 alex 	{
214 991da8ea 2002-05-18 alex 		NGIRCd_Debug = TRUE;
215 991da8ea 2002-05-18 alex 		strcpy( NGIRCd_DebugLevel, "2" );
216 991da8ea 2002-05-18 alex 	}
217 eea1a88b 2002-02-19 alex #endif
218 a89dc546 2002-03-27 alex 
219 a89dc546 2002-03-27 alex 	/* Soll nur die Konfigurations ueberprueft und ausgegeben werden? */
220 a89dc546 2002-03-27 alex 	if( configtest )
221 a89dc546 2002-03-27 alex 	{
222 a89dc546 2002-03-27 alex 		Show_Version( ); puts( "" );
223 a89dc546 2002-03-27 alex 		exit( Conf_Test( ));
224 a89dc546 2002-03-27 alex 	}
225 eea1a88b 2002-02-19 alex 	
226 804b1ec4 2001-12-31 alex 	while( ! NGIRCd_Quit )
227 804b1ec4 2001-12-31 alex 	{
228 22cf0c5d 2002-01-12 alex 		/* In der Regel wird ein Sub-Prozess ge-fork()'t, der
229 22cf0c5d 2002-01-12 alex 		 * nicht mehr mit dem Terminal verbunden ist. Mit der
230 22cf0c5d 2002-01-12 alex 		 * Option "--nodaemon" kann dies (z.B. zum Debuggen)
231 22cf0c5d 2002-01-12 alex 		 * verhindert werden. */
232 22cf0c5d 2002-01-12 alex 		if( ! NGIRCd_NoDaemon )
233 22cf0c5d 2002-01-12 alex 		{
234 22cf0c5d 2002-01-12 alex 			/* Daemon im Hintergrund erzeugen */
235 c7b55aa6 2002-10-09 alex 			pid = (LONG)fork( );
236 22cf0c5d 2002-01-12 alex 			if( pid > 0 )
237 22cf0c5d 2002-01-12 alex 			{
238 22cf0c5d 2002-01-12 alex 				/* "alter" Prozess */
239 22cf0c5d 2002-01-12 alex 				exit( 0 );
240 22cf0c5d 2002-01-12 alex 			}
241 22cf0c5d 2002-01-12 alex 			if( pid < 0 )
242 22cf0c5d 2002-01-12 alex 			{
243 22cf0c5d 2002-01-12 alex 				/* Fehler */
244 ba258e65 2002-05-27 alex 				printf( "%s: Can't fork: %s!\nFatal error, exiting now ...\n", PACKAGE, strerror( errno ));
245 22cf0c5d 2002-01-12 alex 				exit( 1 );
246 22cf0c5d 2002-01-12 alex 			}
247 fe2bc90e 2002-03-06 alex 
248 fe2bc90e 2002-03-06 alex 			/* Child-Prozess initialisieren */
249 95a4b1b1 2002-03-25 alex 			(VOID)setsid( );
250 22cf0c5d 2002-01-12 alex 			chdir( "/" );
251 22cf0c5d 2002-01-12 alex 		}
252 22cf0c5d 2002-01-12 alex 	
253 804b1ec4 2001-12-31 alex 		/* Globale Variablen initialisieren */
254 804b1ec4 2001-12-31 alex 		NGIRCd_Start = time( NULL );
255 95a4b1b1 2002-03-25 alex 		(VOID)strftime( NGIRCd_StartStr, 64, "%a %b %d %Y at %H:%M:%S (%Z)", localtime( &NGIRCd_Start ));
256 804b1ec4 2001-12-31 alex 		NGIRCd_Restart = FALSE;
257 804b1ec4 2001-12-31 alex 		NGIRCd_Quit = FALSE;
258 ff280ce4 2001-12-12 alex 
259 804b1ec4 2001-12-31 alex 		/* Module initialisieren */
260 804b1ec4 2001-12-31 alex 		Log_Init( );
261 ba258e65 2002-05-27 alex 		Resolve_Init( );
262 804b1ec4 2001-12-31 alex 		Conf_Init( );
263 ba258e65 2002-05-27 alex 		Lists_Init( );
264 804b1ec4 2001-12-31 alex 		Channel_Init( );
265 804b1ec4 2001-12-31 alex 		Client_Init( );
266 804b1ec4 2001-12-31 alex 		Conn_Init( );
267 f4ade537 2001-12-11 alex 
268 07c3e62e 2002-03-29 alex 		/* Wenn als root ausgefuehrt und eine andere UID
269 07c3e62e 2002-03-29 alex 		 * konfiguriert ist, jetzt zu dieser wechseln */
270 fe06f6e9 2002-03-29 alex 		if( getuid( ) == 0 )
271 07c3e62e 2002-03-29 alex 		{
272 fe06f6e9 2002-03-29 alex 			if( Conf_GID != 0 )
273 07c3e62e 2002-03-29 alex 			{
274 07c3e62e 2002-03-29 alex 				/* Neue Group-ID setzen */
275 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 ));
276 07c3e62e 2002-03-29 alex 			}
277 fe06f6e9 2002-03-29 alex 			if( Conf_UID != 0 )
278 07c3e62e 2002-03-29 alex 			{
279 07c3e62e 2002-03-29 alex 				/* Neue User-ID setzen */
280 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 ));
281 07c3e62e 2002-03-29 alex 			}
282 07c3e62e 2002-03-29 alex 		}
283 70c9c051 2002-11-10 alex 		
284 70c9c051 2002-11-10 alex 		/* User, Gruppe und Prozess-ID des Daemon ausgeben */
285 70c9c051 2002-11-10 alex 		pwd = getpwuid( getuid( )); grp = getgrgid( getgid( ));
286 70c9c051 2002-11-10 alex 		Log( LOG_INFO, "Running as user %s(%ld), group %s(%ld), with PID %ld.", pwd ? pwd->pw_name : "unknown", (LONG)getuid( ), grp ? grp->gr_name : "unknown", (LONG)getgid( ), (LONG)getpid( ));
287 07c3e62e 2002-03-29 alex 
288 70c9c051 2002-11-10 alex 		/* stderr in "Error-File" umlenken */
289 fe06f6e9 2002-03-29 alex 		Log_InitErrorfile( );
290 fe06f6e9 2002-03-29 alex 
291 804b1ec4 2001-12-31 alex 		/* Signal-Handler initialisieren */
292 804b1ec4 2001-12-31 alex 		Initialize_Signal_Handler( );
293 65b31ffb 2002-09-02 alex 
294 c76e6769 2002-09-02 alex 		/* Protokoll- und Server-Identifikation erzeugen. Die vom ngIRCd
295 c76e6769 2002-09-02 alex 		 * beim PASS-Befehl verwendete Syntax sowie die erweiterten Flags
296 c76e6769 2002-09-02 alex 		 * sind in doc/Protocol.txt beschrieben. */
297 14cbca87 2002-09-07 alex #ifdef IRCPLUS
298 1c668252 2002-09-03 alex 		sprintf( NGIRCd_ProtoID, "%s%s %s|%s:%s", PROTOVER, PROTOIRCPLUS, PACKAGE, VERSION, IRCPLUSFLAGS );
299 c76e6769 2002-09-02 alex 		if( Conf_OperCanMode ) strcat( NGIRCd_ProtoID, "o" );
300 14cbca87 2002-09-07 alex #else
301 14cbca87 2002-09-07 alex 		sprintf( NGIRCd_ProtoID, "%s%s %s|%s", PROTOVER, PROTOIRC, PACKAGE, VERSION );
302 14cbca87 2002-09-07 alex #endif
303 c76e6769 2002-09-02 alex 		strcat( NGIRCd_ProtoID, " P" );
304 65b31ffb 2002-09-02 alex 		Log( LOG_DEBUG, "Protocol and server ID is \"%s\".", NGIRCd_ProtoID );
305 9856253d 2001-12-30 alex 
306 b788a3da 2002-06-02 alex 		/* Vordefinierte Channels anlegen */
307 b788a3da 2002-06-02 alex 		Channel_InitPredefined( );
308 b788a3da 2002-06-02 alex 
309 804b1ec4 2001-12-31 alex 		/* Listen-Ports initialisieren */
310 804b1ec4 2001-12-31 alex 		Initialize_Listen_Ports( );
311 804b1ec4 2001-12-31 alex 
312 804b1ec4 2001-12-31 alex 		/* Hauptschleife */
313 9ec32d15 2002-06-02 alex 		Conn_Handler( );
314 804b1ec4 2001-12-31 alex 
315 804b1ec4 2001-12-31 alex 		/* Alles abmelden */
316 804b1ec4 2001-12-31 alex 		Conn_Exit( );
317 804b1ec4 2001-12-31 alex 		Client_Exit( );
318 804b1ec4 2001-12-31 alex 		Channel_Exit( );
319 ba258e65 2002-05-27 alex 		Lists_Exit( );
320 804b1ec4 2001-12-31 alex 		Log_Exit( );
321 804b1ec4 2001-12-31 alex 	}
322 fe2bc90e 2002-03-06 alex 
323 f4ade537 2001-12-11 alex 	return 0;
324 f4ade537 2001-12-11 alex } /* main */
325 f4ade537 2001-12-11 alex 
326 f4ade537 2001-12-11 alex 
327 ba258e65 2002-05-27 alex GLOBAL CHAR *
328 ba258e65 2002-05-27 alex NGIRCd_Version( VOID )
329 52424b49 2002-01-11 alex {
330 52424b49 2002-01-11 alex 	STATIC CHAR version[126];
331 25f32ce8 2002-10-07 alex 	
332 25f32ce8 2002-10-07 alex #ifdef CVSDATE
333 25f32ce8 2002-10-07 alex 	sprintf( version, "%s %s(%s)-%s", PACKAGE, VERSION, CVSDATE, NGIRCd_VersionAddition( ));
334 25f32ce8 2002-10-07 alex #else
335 14cbca87 2002-09-07 alex 	sprintf( version, "%s %s-%s", PACKAGE, VERSION, NGIRCd_VersionAddition( ));
336 25f32ce8 2002-10-07 alex #endif
337 3fbbfe44 2002-02-17 alex 	return version;
338 3fbbfe44 2002-02-17 alex } /* NGIRCd_Version */
339 3fbbfe44 2002-02-17 alex 
340 3fbbfe44 2002-02-17 alex 
341 ba258e65 2002-05-27 alex GLOBAL CHAR *
342 ba258e65 2002-05-27 alex NGIRCd_VersionAddition( VOID )
343 3fbbfe44 2002-02-17 alex {
344 3fbbfe44 2002-02-17 alex 	STATIC CHAR txt[64];
345 3fbbfe44 2002-02-17 alex 
346 52424b49 2002-01-11 alex 	strcpy( txt, "" );
347 52424b49 2002-01-11 alex 
348 52424b49 2002-01-11 alex #ifdef USE_SYSLOG
349 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
350 52424b49 2002-01-11 alex 	strcat( txt, "SYSLOG" );
351 52424b49 2002-01-11 alex #endif
352 52424b49 2002-01-11 alex #ifdef DEBUG
353 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
354 52424b49 2002-01-11 alex 	strcat( txt, "DEBUG" );
355 52424b49 2002-01-11 alex #endif
356 52424b49 2002-01-11 alex #ifdef SNIFFER
357 52424b49 2002-01-11 alex 	if( txt[0] ) strcat( txt, "+" );
358 52424b49 2002-01-11 alex 	strcat( txt, "SNIFFER" );
359 52424b49 2002-01-11 alex #endif
360 14cbca87 2002-09-07 alex #ifdef STRICT_RFC
361 14cbca87 2002-09-07 alex 	if( txt[0] ) strcat( txt, "+" );
362 14cbca87 2002-09-07 alex 	strcat( txt, "RFC" );
363 14cbca87 2002-09-07 alex #endif
364 14cbca87 2002-09-07 alex #ifdef IRCPLUS
365 14cbca87 2002-09-07 alex 	if( txt[0] ) strcat( txt, "+" );
366 14cbca87 2002-09-07 alex 	strcat( txt, "IRCPLUS" );
367 14cbca87 2002-09-07 alex #endif
368 14cbca87 2002-09-07 alex 	
369 3fbbfe44 2002-02-17 alex 	if( txt[0] ) strcat( txt, "-" );
370 f7327524 2002-05-30 alex 	strcat( txt, TARGET_CPU );
371 f7327524 2002-05-30 alex 	strcat( txt, "/" );
372 f7327524 2002-05-30 alex 	strcat( txt, TARGET_VENDOR );
373 f7327524 2002-05-30 alex 	strcat( txt, "/" );
374 f7327524 2002-05-30 alex 	strcat( txt, TARGET_OS );
375 52424b49 2002-01-11 alex 
376 3fbbfe44 2002-02-17 alex 	return txt;
377 3fbbfe44 2002-02-17 alex } /* NGIRCd_VersionAddition */
378 52424b49 2002-01-11 alex 
379 3fbbfe44 2002-02-17 alex 
380 ba258e65 2002-05-27 alex LOCAL VOID
381 ba258e65 2002-05-27 alex Initialize_Signal_Handler( VOID )
382 418add93 2001-12-12 alex {
383 08cf5607 2001-12-26 alex 	/* Signal-Handler initialisieren: einige Signale
384 08cf5607 2001-12-26 alex 	 * werden ignoriert, andere speziell behandelt. */
385 418add93 2001-12-12 alex 
386 62266a8d 2002-02-25 alex #ifdef HAVE_SIGACTION
387 62266a8d 2002-02-25 alex 	/* sigaction() ist vorhanden */
388 62266a8d 2002-02-25 alex 
389 418add93 2001-12-12 alex 	struct sigaction saction;
390 418add93 2001-12-12 alex 
391 418add93 2001-12-12 alex 	/* Signal-Struktur initialisieren */
392 418add93 2001-12-12 alex 	memset( &saction, 0, sizeof( saction ));
393 23253edb 2002-01-22 alex 	saction.sa_handler = Signal_Handler;
394 9919f38d 2002-02-19 alex #ifdef SA_RESTART
395 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_RESTART;
396 9919f38d 2002-02-19 alex #endif
397 6f955d2a 2002-02-23 alex #ifdef SA_NOCLDWAIT
398 6f955d2a 2002-02-23 alex 	saction.sa_flags |= SA_NOCLDWAIT;
399 6f955d2a 2002-02-23 alex #endif
400 418add93 2001-12-12 alex 
401 418add93 2001-12-12 alex 	/* Signal-Handler einhaengen */
402 418add93 2001-12-12 alex 	sigaction( SIGINT, &saction, NULL );
403 418add93 2001-12-12 alex 	sigaction( SIGQUIT, &saction, NULL );
404 418add93 2001-12-12 alex 	sigaction( SIGTERM, &saction, NULL);
405 3fbbfe44 2002-02-17 alex 	sigaction( SIGHUP, &saction, NULL);
406 03d971d9 2002-01-02 alex 	sigaction( SIGCHLD, &saction, NULL);
407 eb952e35 2001-12-24 alex 
408 eb952e35 2001-12-24 alex 	/* einige Signale ignorieren */
409 eb952e35 2001-12-24 alex 	saction.sa_handler = SIG_IGN;
410 eb952e35 2001-12-24 alex 	sigaction( SIGPIPE, &saction, NULL );
411 62266a8d 2002-02-25 alex #else
412 62266a8d 2002-02-25 alex 	/* kein sigaction() vorhanden */
413 62266a8d 2002-02-25 alex 
414 62266a8d 2002-02-25 alex 	/* Signal-Handler einhaengen */
415 62266a8d 2002-02-25 alex 	signal( SIGINT, Signal_Handler );
416 62266a8d 2002-02-25 alex 	signal( SIGQUIT, Signal_Handler );
417 62266a8d 2002-02-25 alex 	signal( SIGTERM, Signal_Handler );
418 62266a8d 2002-02-25 alex 	signal( SIGHUP, Signal_Handler );
419 62266a8d 2002-02-25 alex 	signal( SIGCHLD, Signal_Handler );
420 62266a8d 2002-02-25 alex 
421 62266a8d 2002-02-25 alex 	/* einige Signale ignorieren */
422 62266a8d 2002-02-25 alex 	signal( SIGPIPE, SIG_IGN );
423 62266a8d 2002-02-25 alex #endif
424 418add93 2001-12-12 alex } /* Initialize_Signal_Handler */
425 418add93 2001-12-12 alex 
426 418add93 2001-12-12 alex 
427 ba258e65 2002-05-27 alex LOCAL VOID
428 ba258e65 2002-05-27 alex Signal_Handler( INT Signal )
429 f4ade537 2001-12-11 alex {
430 418add93 2001-12-12 alex 	/* Signal-Handler. Dieser wird aufgerufen, wenn eines der Signale eintrifft,
431 418add93 2001-12-12 alex 	 * fuer das wir uns registriert haben (vgl. Initialize_Signal_Handler). Die
432 418add93 2001-12-12 alex 	 * Nummer des eingetroffenen Signals wird der Funktion uebergeben. */
433 418add93 2001-12-12 alex 
434 f4ade537 2001-12-11 alex 	switch( Signal )
435 f4ade537 2001-12-11 alex 	{
436 f4ade537 2001-12-11 alex 		case SIGTERM:
437 b61b8c4d 2001-12-12 alex 		case SIGINT:
438 b61b8c4d 2001-12-12 alex 		case SIGQUIT:
439 418add93 2001-12-12 alex 			/* wir soll(t)en uns wohl beenden ... */
440 3fbbfe44 2002-02-17 alex 			if( Signal == SIGTERM ) Log( LOG_WARNING, "Got TERM signal, terminating now ..." );
441 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGINT ) Log( LOG_WARNING, "Got INT signal, terminating now ..." );
442 3fbbfe44 2002-02-17 alex 			else if( Signal == SIGQUIT ) Log( LOG_WARNING, "Got QUIT signal, terminating now ..." );
443 ff280ce4 2001-12-12 alex 			NGIRCd_Quit = TRUE;
444 f4ade537 2001-12-11 alex 			break;
445 3fbbfe44 2002-02-17 alex 		case SIGHUP:
446 3fbbfe44 2002-02-17 alex 			/* neu starten */
447 3fbbfe44 2002-02-17 alex 			Log( LOG_WARNING, "Got HUP signal, restarting now ..." );
448 3fbbfe44 2002-02-17 alex 			NGIRCd_Restart = TRUE;
449 3fbbfe44 2002-02-17 alex 			break;
450 03d971d9 2002-01-02 alex 		case SIGCHLD:
451 03d971d9 2002-01-02 alex 			/* Child-Prozess wurde beendet. Zombies vermeiden: */
452 03d971d9 2002-01-02 alex 			while( waitpid( -1, NULL, WNOHANG ) > 0);
453 03d971d9 2002-01-02 alex 			break;
454 f4ade537 2001-12-11 alex 		default:
455 418add93 2001-12-12 alex 			/* unbekanntes bzw. unbehandeltes Signal */
456 ff280ce4 2001-12-12 alex 			Log( LOG_NOTICE, "Got signal %d! Ignored.", Signal );
457 f4ade537 2001-12-11 alex 	}
458 f4ade537 2001-12-11 alex } /* Signal_Handler */
459 f4ade537 2001-12-11 alex 
460 f4ade537 2001-12-11 alex 
461 ba258e65 2002-05-27 alex LOCAL VOID
462 ba258e65 2002-05-27 alex Initialize_Listen_Ports( VOID )
463 9856253d 2001-12-30 alex {
464 9856253d 2001-12-30 alex 	/* Ports, auf denen der Server Verbindungen entgegennehmen
465 9856253d 2001-12-30 alex 	 * soll, initialisieren */
466 9856253d 2001-12-30 alex 	
467 74ff9828 2002-10-03 alex 	INT created, i;
468 9856253d 2001-12-30 alex 
469 9856253d 2001-12-30 alex 	created = 0;
470 9856253d 2001-12-30 alex 	for( i = 0; i < Conf_ListenPorts_Count; i++ )
471 9856253d 2001-12-30 alex 	{
472 9856253d 2001-12-30 alex 		if( Conn_NewListener( Conf_ListenPorts[i] )) created++;
473 07c3e62e 2002-03-29 alex 		else Log( LOG_ERR, "Can't listen on port %u!", Conf_ListenPorts[i] );
474 9856253d 2001-12-30 alex 	}
475 9856253d 2001-12-30 alex 
476 9856253d 2001-12-30 alex 	if( created < 1 )
477 9856253d 2001-12-30 alex 	{
478 9856253d 2001-12-30 alex 		Log( LOG_ALERT, "Server isn't listening on a single port!" );
479 ba258e65 2002-05-27 alex 		Log( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
480 9856253d 2001-12-30 alex 		exit( 1 );
481 9856253d 2001-12-30 alex 	}
482 9856253d 2001-12-30 alex } /* Initialize_Listen_Ports */
483 9856253d 2001-12-30 alex 
484 52424b49 2002-01-11 alex 
485 ba258e65 2002-05-27 alex LOCAL VOID
486 ba258e65 2002-05-27 alex Show_Version( VOID )
487 52424b49 2002-01-11 alex {
488 52424b49 2002-01-11 alex 	puts( NGIRCd_Version( ));
489 5b27e491 2002-04-01 alex 	puts( "Copyright (c)2001,2002 by Alexander Barton (<alex@barton.de>)." );
490 5b27e491 2002-04-01 alex 	puts( "Homepage: <http://arthur.ath.cx/~alex/ngircd/>\n" );
491 52424b49 2002-01-11 alex 	puts( "This is free software; see the source for copying conditions. There is NO" );
492 52424b49 2002-01-11 alex 	puts( "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." );
493 52424b49 2002-01-11 alex } /* Show_Version */
494 52424b49 2002-01-11 alex 
495 52424b49 2002-01-11 alex 
496 ba258e65 2002-05-27 alex LOCAL VOID
497 ba258e65 2002-05-27 alex Show_Help( VOID )
498 52424b49 2002-01-11 alex {
499 52424b49 2002-01-11 alex #ifdef DEBUG
500 72accd4e 2002-03-28 alex 	puts( "  -d, --debug        log extra debug messages" );
501 52424b49 2002-01-11 alex #endif
502 72accd4e 2002-03-28 alex 	puts( "  -f, --config <f>   use file <f> as configuration file" );
503 1c0ded41 2002-11-18 alex         puts( "  -n, --nodaemon     don't fork and don't detach from controlling terminal" );
504 72accd4e 2002-03-28 alex         puts( "  -p, --passive      disable automatic connections to other servers" );
505 72accd4e 2002-03-28 alex #ifdef SNIFFER
506 72accd4e 2002-03-28 alex 	puts( "  -s, --sniffer      enable network sniffer and display all IRC traffic" );
507 9951e135 2002-01-21 alex #endif
508 72accd4e 2002-03-28 alex 	puts( "      --configtest   read, validate and display configuration; then exit" );
509 72accd4e 2002-03-28 alex  	puts( "      --version      output version information and exit" );
510 72accd4e 2002-03-28 alex 	puts( "      --help         display this help and exit" );
511 52424b49 2002-01-11 alex } /* Show_Help */
512 52424b49 2002-01-11 alex 
513 52424b49 2002-01-11 alex 
514 f4ade537 2001-12-11 alex /* -eof- */