added check in DB_open for correct DB-version

2 files changed, 18 insertions, 5 deletions

diff --git a/include/db.php b/include/db.php
index b79da87..5503a4a 100644
--- a/include/db.php
+++ b/include/db.php
@@ -30,17 +30,24 @@ if(!isset($HOST))
 
 function DB_open()
 {
+  $version_needed = 1;
+
   global $DB,$DB_user,$DB_host,$DB_database,$DB_password;
   $DB = @mysql_connect($DB_host,$DB_user, $DB_password);
   if ( $DB )
     {
-      mysql_select_db($DB_database) or die('Could not select database');
+      mysql_select_db($DB_database) or die('Error: Could not select database');
     }
   else
     {
       echo mysql_errno() . ": " . mysql_error(). "\n";
       return -1;
-    }
+    };
+
+  $version = DB_get_version();
+  if ($version != $version_needed)
+    return -2;
+
   return 0;
 }
 
diff --git a/index.php b/index.php
index 83618f3..54efdcb 100644
--- a/index.php
+++ b/index.php
@@ -36,11 +36,17 @@ include_once("./include/functions.php");   /* the rest */
 config_check();
 
 /* open the database */
-if(DB_open()<0)
+$DBopen = DB_open();
+if($DBopen<0)
   {
     output_header();
-    echo "Database error, can't connect... Please wait a while and try again. ".
-      "If the problem doesn't go away feel free to contact $ADMIN_NAME at $ADMIN_EMAIL.";
+
+    if($DBopen == -1)
+      echo "Database error, can't connect... Please wait a while and try again. ".
+	"If the problem doesn't go away feel free to contact $ADMIN_NAME at $ADMIN_EMAIL.";
+    else if ($DBopen == -2)
+      echo "Wrong database version, please update your database using the update.php script.";
+
     output_footer();
     exit();
   }