From fe2b9b14d31c06a089f99a438167ce143b8d0b6d Mon Sep 17 00:00:00 2001
From: cdujeu <charles@ajaxplorer.info>
Date: Mon, 10 Nov 2014 21:12:03 +0100
Subject: [PATCH] Test if gzopen64 function exists for some versions of PHP
 compiled with large files support. Fix #690

---
 core/src/core/classes/class.ConfService.php |  2 +-
 core/src/core/classes/pclzip.lib.php        | 16 +++++++++++++---
 core/src/core/tests/test.Zlib.php           |  4 ++--
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/core/src/core/classes/class.ConfService.php b/core/src/core/classes/class.ConfService.php
index 810d62f6b4..57e4d5aea8 100644
--- a/core/src/core/classes/class.ConfService.php
+++ b/core/src/core/classes/class.ConfService.php
@@ -869,7 +869,7 @@ public function deleteRepositoryInst($repoId)
     public static function zipEnabled()
     {
         if(ConfService::getCoreConf("DISABLE_ZIP_BROWSING") === true) return false;
-        return (function_exists("gzopen")?true:false);
+        return ((function_exists("gzopen") || function_exists("gzopen64"))?true:false);
     }
     /**
      * Get the list of all "conf" messages
diff --git a/core/src/core/classes/pclzip.lib.php b/core/src/core/classes/pclzip.lib.php
index 2e32782dbf..9fd6c597a4 100644
--- a/core/src/core/classes/pclzip.lib.php
+++ b/core/src/core/classes/pclzip.lib.php
@@ -216,7 +216,7 @@ function PclZip($p_zipname)
   {
 
     // ----- Tests the zlib
-    if (!function_exists('gzopen'))
+    if (!function_exists('gzopen') && !function_exists('gzopen64'))
     {
       die('Abort '.basename(__FILE__).' : Missing zlib extensions');
     }
@@ -2811,7 +2811,12 @@ function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options)
 
     // ----- Creates a compressed temporary file
     $v_gzip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.gz';
-    if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) {
+      if(function_exists('gzopen64')){
+          $v_file_compressed = @gzopen64($v_gzip_temp_name, "wb");
+      }else{
+          $v_file_compressed = @gzopen($v_gzip_temp_name, "wb");
+      }
+    if ($v_file_compressed == 0) {
       fclose($v_file);
       PclZip::privErrorLog(PCLZIP_ERR_WRITE_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode');
       return PclZip::errorCode();
@@ -4005,7 +4010,12 @@ function privExtractFileUsingTempFile(&$p_entry, &$p_options)
     }
 
     // ----- Open the temporary gz file
-    if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) {
+      if(function_exists('gzopen64')){
+          $v_src_file = @gzopen64($v_gzip_temp_name, 'rb');
+      }else{
+          $v_src_file = @gzopen($v_gzip_temp_name, 'rb');
+      }
+    if ($v_src_file == 0) {
       @fclose($v_dest_file);
       $p_entry['status'] = "read_error";
       PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode');
diff --git a/core/src/core/tests/test.Zlib.php b/core/src/core/tests/test.Zlib.php
index 875f81d8af..7c3f02d3b6 100644
--- a/core/src/core/tests/test.Zlib.php
+++ b/core/src/core/tests/test.Zlib.php
@@ -28,10 +28,10 @@
  */
 class Zlib extends AbstractTest
 {
-    public function Zlib() { parent::AbstractTest("Zlib extension (ZIP)", "Extension enabled : ".(function_exists('gzopen')?"1":"0")); }
+    public function Zlib() { parent::AbstractTest("Zlib extension (ZIP)", "Extension enabled : ".((function_exists('gzopen')||function_exists('gzopen64'))?"1":"0")); }
     public function doTest()
     {
-        $this->testedParams["Zlib Enabled"] = (function_exists('gzopen')?"Yes":"No");
+        $this->testedParams["Zlib Enabled"] = ((function_exists('gzopen')||function_exists('gzopen64'))?"Yes":"No");
         $os = PHP_OS;
         /*if (stristr($os, "win")!==false && $this->testedParams["Zlib Enabled"]) {
             $this->failedLevel = "warning";