/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
* Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
* der GNU General Public License (GPL), wie von der Free Software Foundation
* herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
* der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: conf.c,v 1.4 2001/12/26 22:48:53 alex Exp $
+ * $Id: conf.c,v 1.21 2002/03/27 16:39:22 alex Exp $
*
* conf.h: Konfiguration des ngircd
- *
- * $Log: conf.c,v $
- * Revision 1.4 2001/12/26 22:48:53 alex
- * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
- *
- * Revision 1.3 2001/12/26 14:45:37 alex
- * - "Code Cleanups".
- *
- * Revision 1.2 2001/12/26 03:19:57 alex
- * - erste Konfigurations-Variablen definiert: PING/PONG-Timeout.
- *
- * Revision 1.1 2001/12/12 17:18:20 alex
- * - Modul fuer Server-Konfiguration begonnen.
*/
-#include <portab.h>
-#include "global.h"
+#include "portab.h"
-#include <imp.h>
+#include "imp.h"
#include <assert.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "ngircd.h"
+#include "client.h"
+#include "defines.h"
+#include "log.h"
+#include "tool.h"
-#include <exp.h>
+#include "exp.h"
#include "conf.h"
+LOCAL BOOLEAN Use_Log = TRUE;
+
+
+LOCAL VOID Set_Defaults( VOID );
LOCAL VOID Read_Config( VOID );
+LOCAL VOID Validate_Config( VOID );
+
+GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg );
+GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg );
+GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg );
+
+LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... );
GLOBAL VOID Conf_Init( VOID )
{
- /* Konfigurationsvariablen initialisieren: zunaechst Default-
- * Werte setzen, dann Konfigurationsdtaei einlesen. */
-
- strcpy( Conf_File, "/usr/local/etc/ngircd.conf" );
-
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 10;
+ Set_Defaults( );
+ Read_Config( );
+ Validate_Config( );
+} /* Config_Init */
+
+
+GLOBAL INT Conf_Test( VOID )
+{
+ /* Konfiguration einlesen, ueberpruefen und ausgeben. */
+
+ INT i;
- strcpy( Conf_MotdFile, "/usr/local/etc/ngircd.motd" );
+ Use_Log = FALSE;
+ Set_Defaults( );
- /* Konfigurationsdatei einlesen */
+ printf( "Using \"%s\" as configuration file ...\n", NGIRCd_ConfFile );
Read_Config( );
-} /* Config_Init */
+
+ /* Wenn stdin ein ein TTY ist: auf Taste warten */
+ if( isatty( fileno( stdout )))
+ {
+ puts( "OK, press enter to see a dump of your service configuration ..." );
+ getchar( );
+ }
+ else puts( "Ok, dump of your server configuration follows:\n" );
+
+ puts( "[GLOBAL]" );
+ printf( " ServerName = %s\n", Conf_ServerName );
+ printf( " ServerInfo = %s\n", Conf_ServerInfo );
+ printf( " ServerPwd = %s\n", Conf_ServerPwd );
+ printf( " MotdFile = %s\n", Conf_MotdFile );
+ printf( " ListenPorts = " );
+ for( i = 0; i < Conf_ListenPorts_Count; i++ )
+ {
+ if( i != 0 ) printf( ", " );
+ printf( "%d", Conf_ListenPorts[i] );
+ }
+ if( Conf_ListenPorts_Count < 1 ) puts( "<none>");
+ else puts( "" );
+ printf( " PingTimeout = %d\n", Conf_PingTimeout );
+ printf( " PongTimeout = %d\n", Conf_PongTimeout );
+ printf( " ConnectRetry = %d\n", Conf_ConnectRetry );
+ puts( "" );
+
+ for( i = 0; i < Conf_Oper_Count; i++ )
+ {
+ puts( "[OPERATOR]" );
+ printf( " Name = %s\n", Conf_Oper[i].name );
+ printf( " Password = %s\n", Conf_Oper[i].pwd );
+ puts( "" );
+ }
+
+ for( i = 0; i < Conf_Server_Count; i++ )
+ {
+ puts( "[SERVER]" );
+ printf( " Name = %s\n", Conf_Server[i].name );
+ printf( " Host = %s\n", Conf_Server[i].host );
+ printf( " Port = %d\n", Conf_Server[i].port );
+ printf( " Password = %s\n", Conf_Server[i].pwd );
+ printf( " Group = %d\n", Conf_Server[i].group );
+ puts( "" );
+ }
+
+ return 0;
+} /* Conf_Test */
GLOBAL VOID Conf_Exit( VOID )
} /* Config_Exit */
+LOCAL VOID Set_Defaults( VOID )
+{
+ /* Konfigurationsvariablen initialisieren, d.h. auf Default-Werte setzen. */
+
+ strcpy( Conf_ServerName, "" );
+ strcpy( Conf_ServerInfo, PACKAGE" "VERSION );
+ strcpy( Conf_ServerPwd, "" );
+
+ strcpy( Conf_MotdFile, MOTD_FILE );
+
+ Conf_ListenPorts_Count = 0;
+
+ Conf_PingTimeout = 120;
+ Conf_PongTimeout = 20;
+
+ Conf_ConnectRetry = 60;
+
+ Conf_Oper_Count = 0;
+
+ Conf_Server_Count = 0;
+} /* Set_Defaults */
+
+
LOCAL VOID Read_Config( VOID )
{
/* Konfigurationsdatei einlesen. */
+
+ CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
+ INT line;
+ FILE *fd;
+
+ fd = fopen( NGIRCd_ConfFile, "r" );
+ if( ! fd )
+ {
+ /* Keine Konfigurationsdatei gefunden */
+ Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", NGIRCd_ConfFile, strerror( errno ));
+ Config_Error( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
+ exit( 1 );
+ }
+
+ line = 0;
+ strcpy( section, "" );
+ while( TRUE )
+ {
+ if( ! fgets( str, LINE_LEN, fd )) break;
+ ngt_TrimStr( str );
+ line++;
+
+ /* Kommentarzeilen und leere Zeilen ueberspringen */
+ if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
+
+ /* Anfang eines Abschnittes? */
+ if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' ))
+ {
+ strcpy( section, str );
+ if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue;
+ if( strcasecmp( section, "[OPERATOR]" ) == 0 )
+ {
+ if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." );
+ else
+ {
+ /* neuen Operator initialisieren */
+ strcpy( Conf_Oper[Conf_Oper_Count].name, "" );
+ strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" );
+ Conf_Oper_Count++;
+ }
+ continue;
+ }
+ if( strcasecmp( section, "[SERVER]" ) == 0 )
+ {
+ if( Conf_Server_Count + 1 > MAX_SERVERS ) Config_Error( LOG_ERR, "Too many servers configured." );
+ else
+ {
+ /* neuen Server ("Peer") initialisieren */
+ strcpy( Conf_Server[Conf_Server_Count].host, "" );
+ strcpy( Conf_Server[Conf_Server_Count].ip, "" );
+ strcpy( Conf_Server[Conf_Server_Count].name, "" );
+ strcpy( Conf_Server[Conf_Server_Count].pwd, "" );
+ Conf_Server[Conf_Server_Count].port = 0;
+ Conf_Server[Conf_Server_Count].group = -1;
+ Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
+ Conf_Server[Conf_Server_Count].res_stat = NULL;
+ Conf_Server_Count++;
+ }
+ continue;
+ }
+ Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
+ section[0] = 0x1;
+ }
+ if( section[0] == 0x1 ) continue;
+
+ /* In Variable und Argument zerlegen */
+ ptr = strchr( str, '=' );
+ if( ! ptr )
+ {
+ Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
+ continue;
+ }
+ *ptr = '\0';
+ var = str; ngt_TrimStr( var );
+ arg = ptr + 1; ngt_TrimStr( arg );
+
+ if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
+ else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
+ else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
+ else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
+ }
- /* ... */
+ fclose( fd );
} /* Read_Config */
+GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
+{
+ CHAR *ptr;
+ INT32 port;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ if( strcasecmp( Var, "Name" ) == 0 )
+ {
+ /* Der Server-Name */
+ strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
+ Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Info" ) == 0 )
+ {
+ /* Server-Info-Text */
+ strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
+ Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Password" ) == 0 )
+ {
+ /* Server-Passwort */
+ strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
+ Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Ports" ) == 0 )
+ {
+ /* Ports, durch "," getrennt, auf denen der Server
+ * Verbindungen annehmen soll */
+ ptr = strtok( Arg, "," );
+ while( ptr )
+ {
+ ngt_TrimStr( ptr );
+ port = atol( ptr );
+ if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
+ else
+ {
+ if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (INT)port;
+ else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
+ }
+ ptr = strtok( NULL, "," );
+ }
+ return;
+ }
+ if( strcasecmp( Var, "MotdFile" ) == 0 )
+ {
+ /* Datei mit der "message of the day" (MOTD) */
+ strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
+ Conf_MotdFile[FNAME_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "PingTimeout" ) == 0 )
+ {
+ /* PING-Timeout */
+ Conf_PingTimeout = atoi( Arg );
+ if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
+ return;
+ }
+ if( strcasecmp( Var, "PongTimeout" ) == 0 )
+ {
+ /* PONG-Timeout */
+ Conf_PongTimeout = atoi( Arg );
+ if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
+ return;
+ }
+ if( strcasecmp( Var, "ConnectRetry" ) == 0 )
+ {
+ /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
+ Conf_ConnectRetry = atoi( Arg );
+ if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
+ return;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
+} /* Handle_GLOBAL */
+
+
+GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
+{
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+ assert( Conf_Oper_Count > 0 );
+
+ if( strcasecmp( Var, "Name" ) == 0 )
+ {
+ /* Name des IRC Operator */
+ strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
+ Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Password" ) == 0 )
+ {
+ /* Passwort des IRC Operator */
+ strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
+ Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
+ return;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
+} /* Handle_OPERATOR */
+
+
+GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
+{
+ INT32 port;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ if( strcasecmp( Var, "Host" ) == 0 )
+ {
+ /* Hostname des Servers */
+ strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
+ Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Name" ) == 0 )
+ {
+ /* Name des Servers ("Nick") */
+ strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
+ Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Password" ) == 0 )
+ {
+ /* Passwort des Servers */
+ strncpy( Conf_Server[Conf_Server_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
+ Conf_Server[Conf_Server_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
+ return;
+ }
+ if( strcasecmp( Var, "Port" ) == 0 )
+ {
+ /* Port, zu dem Verbunden werden soll */
+ port = atol( Arg );
+ if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)port;
+ else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port );
+ return;
+ }
+ if( strcasecmp( Var, "Group" ) == 0 )
+ {
+ /* Server-Gruppe */
+ Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
+ return;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
+} /* Handle_SERVER */
+
+
+LOCAL VOID Validate_Config( VOID )
+{
+ /* Konfiguration ueberpruefen */
+
+ if( ! Conf_ServerName[0] )
+ {
+ /* Kein Servername konfiguriert */
+ Config_Error( LOG_ALERT, "No server name configured in \"%s\"!", NGIRCd_ConfFile );
+ Config_Error( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
+ exit( 1 );
+ }
+} /* Validate_Config */
+
+
+LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... )
+{
+ /* Fehler! Auf Console und/oder ins Log schreiben */
+
+ CHAR msg[MAX_LOG_MSG_LEN];
+ va_list ap;
+
+ assert( Format != NULL );
+
+ /* String mit variablen Argumenten zusammenbauen ... */
+ va_start( ap, Format );
+ vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
+ va_end( ap );
+
+ /* Im "normalen Betrieb" soll der Log-Mechanismus des ngIRCd verwendet
+ * werden, beim Testen der Konfiguration jedoch nicht, hier sollen alle
+ * Meldungen direkt auf die Konsole ausgegeben werden: */
+ if( Use_Log ) Log( Level, msg );
+ else puts( msg );
+} /* Config_Error */
+
+
/* -eof- */