- Unterstuetzung fuer die Konfigurationsdatei eingebaut.

[ngircd-alex.git] / src / ngircd / conf.c

diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index 8a2085a75f85831f3073e08dd05d0e0e2d43d880..fec8903a1fc7408b52d0dd45478ff59ed9120efd 100644 (file)
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -9,11 +9,14 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an comBase 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 1.5 2001/12/30 19:26:11 alex Exp $
  *
  * conf.h: Konfiguration des ngircd
  *
  * $Log: conf.c,v $
+ * Revision 1.5  2001/12/30 19:26:11  alex
+ * - Unterstuetzung fuer die Konfigurationsdatei eingebaut.
+ *
  * Revision 1.4  2001/12/26 22:48:53  alex
  * - MOTD-Datei ist nun konfigurierbar und wird gelesen.
  *
@@ -33,28 +36,44 @@
 
 #include <imp.h>
 #include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "client.h"
+#include "log.h"
+#include "tool.h"
 
 #include <exp.h>
 #include "conf.h"
 
 
+#define MAX_LINE_LEN 246               /* max. Laenge einer Konfigurationszeile */
+
+
 LOCAL VOID Read_Config( VOID );
+LOCAL VOID Validate_Config( VOID );
 
 
 GLOBAL VOID Conf_Init( VOID )
 {
        /* Konfigurationsvariablen initialisieren: zunaechst Default-
         * Werte setzen, dann Konfigurationsdtaei einlesen. */
-       
+
        strcpy( Conf_File, "/usr/local/etc/ngircd.conf" );
+
+       strcpy( Conf_ServerName, "" );
+
+       strcpy( Conf_MotdFile, "/usr/local/etc/ngircd.motd" );
+
+       Conf_ListenPorts_Count = 0;
        
        Conf_PingTimeout = 120;
        Conf_PongTimeout = 10;
 
-       strcpy( Conf_MotdFile, "/usr/local/etc/ngircd.motd" );
-
-       /* Konfigurationsdatei einlesen */
+       /* Konfigurationsdatei einlesen und validieren */
        Read_Config( );
+       Validate_Config( );
 } /* Config_Init */
 
 
@@ -67,9 +86,108 @@ GLOBAL VOID Conf_Exit( VOID )
 LOCAL VOID Read_Config( VOID )
 {
        /* Konfigurationsdatei einlesen. */
+
+       CHAR str[MAX_LINE_LEN], *var, *arg, *ptr;
+       BOOLEAN ok;
+       INT32 port;
+       INT line;
+       FILE *fd;
+
+       fd = fopen( Conf_File, "r" );
+       if( ! fd )
+       {
+               /* Keine Konfigurationsdatei gefunden */
+               Log( LOG_ALERT, "Can't read configuration \"%s\": %s", Conf_File, strerror( errno ));
+               Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
+               exit( 1 );
+       }
+
+       line = 0;
+       while( TRUE )
+       {
+               if( ! fgets( str, MAX_LINE_LEN, fd )) break;
+               ngt_TrimStr( str );
+               line++;
+
+               /* Kommentarzeilen und leere Zeilen ueberspringen */
+               if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
+
+               ok = FALSE;
+
+               ptr = strchr( str, '=' );
+               if( ! ptr )
+               {
+                       Log( LOG_ERR, "%s, line %d: Syntax error!", Conf_File, line );
+                       continue;
+               }
+               *ptr = '\0';
+
+               var = str; ngt_TrimStr( var );
+               arg = ptr + 1; ngt_TrimStr( arg );
+               
+               if( strcasecmp( str, "ServerName" ) == 0 )
+               {
+                       /* Der Server-Name */
+                       strncpy( Conf_ServerName, arg, CLIENT_ID_LEN );
+                       Conf_ServerName[CLIENT_ID_LEN] = '\0';
+                       ok = TRUE;
+               }
+               else if( strcasecmp( str, "ListenPorts" ) == 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 > LISTEN_PORTS ) Log( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port );
+                               if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = port;
+                               else Log( LOG_ERR, "Illegal port number: %ld. Ignored.", port );
+                               ptr = strtok( NULL, "," );
+                       }
+                       ok = TRUE;
+               }
+               else if( strcasecmp( str, "MotdFile" ) == 0 )
+               {
+                       /* Datei mit der "message of the day" (MOTD) */
+                       strncpy( Conf_MotdFile, arg, FNAME_LEN );
+                       Conf_MotdFile[FNAME_LEN] = '\0';
+                       ok = TRUE;
+               }
+               else if( strcasecmp( str, "PingTimeout" ) == 0 )
+               {
+                       /* PING-Timeout */
+                       Conf_PingTimeout = atoi( arg );
+                       if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
+                       ok = TRUE;
+               }
+               else if( strcasecmp( str, "PongTimeout" ) == 0 )
+               {
+                       /* PONG-Timeout */
+                       Conf_PongTimeout = atoi( arg );
+                       if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
+                       ok = TRUE;
+               }
+               
+               if( ! ok ) Log( LOG_ERR, "%s, line %d: Unknown variable \"%s\"!", Conf_File, line, var );
+       }
        
-       /* ... */
+       fclose( fd );
 } /* Read_Config */
 
 
+LOCAL VOID Validate_Config( VOID )
+{
+       /* Konfiguration ueberpruefen */
+       
+       if( ! Conf_ServerName[0] )
+       {
+               /* Kein Servername konfiguriert */
+               Log( LOG_ALERT, "No server name configured (use \"ServerName\")!", Conf_File, strerror( errno ));
+               Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
+               exit( 1 );
+       }
+} /* Validate_Config */
+
 /* -eof- */