From 18f72e37815bd8bb89caddec099f93cb1406bf7a Mon Sep 17 00:00:00 2001
From: botanic <none@none>
Date: Mon, 21 Apr 2014 02:39:29 -0700
Subject: [PATCH] php is_writable is not reliable

---
 .../ryzom_ams/www/html/installer/libsetup.php | 31 +++++++++++++++----
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php b/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
index 73450dcad..fda43c680 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
@@ -7,29 +7,48 @@
     
     ini_set('display_errors', 1); 
     error_reporting(E_ALL);
+    
+   function is__writable($path) {
+
+    if ($path{strlen($path)-1}=='/')
+        return is__writable($path.uniqid(mt_rand()).'.tmp');
+
+    if (file_exists($path)) {
+        if (!($f = @fopen($path, 'r+')))
+            return false;
+        fclose($f);
+        return true;
+    }
+
+    if (!($f = @fopen($path, 'w')))
+        return false;
+    fclose($f);
+    unlink($path);
+    return true;
+    }
 
     //set permissions
-    if(is_writable('../../../www/login/logs')) {
+    if(is__writable('../../../www/login/logs')) {
         echo "failed to get write permissions on logs";
         exit;
     }
-    if(is_writable('../../../admin/graphs_output')) {
+    if(is__writable('../../../admin/graphs_output')) {
         echo "failed to get write permissions on graphs_output";
         exit;
     }
-    if(is_writable('../../../admin/templates/default_c')) {
+    if(is__writable('../../../admin/templates/default_c')) {
         echo "failed to get write permissions on default_c";
         exit;
     }
-    if(is_writable('../../www')) {
+    if(is__writable('../../www')) {
         echo "failed to get write permissions on www";
         exit;
     }
-    if(is_writable('../../www/html/cache')) {
+    if(is__writable('../../www/html/cache')) {
         echo "failed to get write permissions on cache";
         exit;
     }
-    if(is_writable('../../www/html/templates_c')) {
+    if(is__writable('../../www/html/templates_c')) {
         echo "failed to get write permissions on templates_c";
         exit;
     }