Fixes different security problems:
http://bugs.gentoo.org/192240


diff -Naur jffnms-0.8.3/htdocs/admin/adm/test.php jffnms-0.8.4-pre3/htdocs/admin/adm/test.php
--- jffnms-0.8.3/htdocs/admin/adm/test.php	2006-09-17 03:31:13.000000000 +0400
+++ jffnms-0.8.4-pre3/htdocs/admin/adm/test.php	1970-01-01 03:00:00.000000000 +0300
@@ -1 +0,0 @@
-<? phpinfo(); ?>
\ В конце файла нет новой строки
diff -Naur jffnms-0.8.3/htdocs/auth.php jffnms-0.8.4-pre3/htdocs/auth.php
--- jffnms-0.8.3/htdocs/auth.php	2006-09-17 03:31:13.000000000 +0400
+++ jffnms-0.8.4-pre3/htdocs/auth.php	2007-06-07 16:00:08.000000000 +0400
@@ -46,11 +46,6 @@
 		    session_start();
 		}
 
-		if (($jffnms_version=="0.0.0") && ($_SERVER["REMOTE_ADDR"]=="128.30.52.13")) { //W3C Validator
-		    $_REQUEST["user"]="admin";
-		    $_REQUEST["pass"]="admin";
-		}
-		
 		if (!isset($_SESSION["authentification"]))
 		    $authentification = $jffnms->authenticate ($_REQUEST["user"],$_REQUEST["pass"],true,"from ".$_SERVER["REMOTE_ADDR"]);
 
diff -Naur jffnms-0.8.3/lib/api.classes.inc.php jffnms-0.8.4-pre3/lib/api.classes.inc.php
--- jffnms-0.8.3/lib/api.classes.inc.php	2006-09-17 03:31:14.000000000 +0400
+++ jffnms-0.8.4-pre3/lib/api.classes.inc.php	2007-06-07 16:00:08.000000000 +0400
@@ -677,7 +677,7 @@
     	    $auth_type = 1;
 	    $cant_auth = 0;
 	    
-	    if (isset($user) && isset($pass)) {
+	    if (preg_match("/^[\w\@\.]{0,20}$/", $user) && isset($pass)) {
 		$query_auth = "select id as auth_user_id, usern as auth_user_name, passwd, fullname as auth_user_fullname from auth where usern = '$user'";
 		$result_auth = db_query ($query_auth);
 		$cant_auth = db_num_rows($result_auth);
@@ -693,18 +693,20 @@
 	    } 
     
 	    if (($auth==0) && ($cant_auth == 0)){  //not found in DB
-		if (isset($user) && isset($pass)) {
+
+		if (preg_match("/^[\w\@\.]{0,20}$/", $user) && isset($pass)) {
     		    $query_auth = "select id as auth_user_id, username as auth_user_name, name as auth_user_fullname from clients where username= '$user' and password = '$pass'";
 		    $result_auth = db_query ($query_auth);
 		    $auth = db_num_rows( $result_auth);
 		}
+		
 		if ($auth==1) { 
 		    $reg = db_fetch_array($result_auth);
 		    $auth_type = 2;
 		}
 	    }
 	    
-	    if (($log_event==true) && (!empty($user)))
+	    if (($log_event==true) && preg_match("/^[\w\@\.]{0,20}$/", $user))
 		insert_event(date("Y-m-d H:i:s",time()),get_config_option("jffnms_internal_type"),1,"Login",(($auth==1)?"successful":"failed"),$user,$log_event_info,"",0);
 	    
 	    unset ($reg["passwd"]);