Made log file a constant, replaced with __FILE__

install/install.php

@@ -66,6 +66,8 @@ include_once('dist/conf/'.$conf['distname'].'.conf.php');
 //TODO: this is not there ????
 $conf['dist'] = $dist;
 
+define('ISPC_LOG_FILE', '/var/log/ispconfig_install.log');
+
 //****************************************************************************************************
 //** Installer Interface 
 //****************************************************************************************************
@@ -74,12 +76,17 @@ swriteln($inst->lng('    Following will be a few questions for primary configura
 swriteln($inst->lng('    Default values are in [brackets] and can be accepted with <ENTER>.'));
 swriteln($inst->lng('    Tap in "quit" (without the quotes) to stop the installer.'."\n\n"));
 
+if(!is_writable(ISPC_LOG_FILE)){
+    die("ERROR: Cannot write to the log file '".ISPC_LOG_FILE."'. Are you root ?\n\n");
+}
+
 //** Select the language
 $conf['language'] = $inst->simple_query('Select language', array('en','de'), 'en');
 
 //** Select installation mode
 $install_mode = $inst->simple_query('Installation mode', array('Standard','Expert'), 'Standard');
 
+
 //** Get the hostname
 $tmp_out = array();
 exec('hostname -f', $tmp_out);

install/lib/install.lib.php

@@ -78,8 +78,7 @@ function swriteln($text = '') {
 }
 
 function ilog($msg){
-	$logfile = '/var/log/ispconfig_install.log';
-  	exec("echo `date` \"- [ISPConfig] - \"".$msg." >> ".$logfile);
+  	exec("echo `date` \"- [ISPConfig] - \"".$msg." >> ".ISPC_LOG_FILE);
 }
 
 function error($msg){

install/lib/installer_base.lib.php

@@ -142,14 +142,14 @@ class installer_base {
 		//* Load the database dump into the database, if database contains no tables
 		$db_tables = $this->db->getTables();
 		if(count($db_tables) > 0) {
-			$this->error('Stopped: Database contains already some tables.');
+			$this->error('Stopped: Database already contains some tables.');
 		} else {
 			if($cf['admin_password'] == '') {
 				caselog("mysql -h '".$cf['host']."' -u '".$cf['admin_user']."' '".$cf['database']."' < 'sql/ispconfig3.sql' &> /dev/null", 
-                        $FILE, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
+                        __FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
 			} else {
 				caselog("mysql -h '".$cf['host']."' -u '".$cf['admin_user']."' -p'".$cf['admin_password']."' '".$cf['database']."' < 'sql/ispconfig3.sql' &> /dev/null", 
-                        $FILE, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
+                        __FILE__, __LINE__, 'read in ispconfig3.sql', 'could not read in ispconfig3.sql');
 			}
 			$db_tables = $this->db->getTables();
 			if(count($db_tables) == 0) {