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[Filesystem] Changed dumpFile to allow dumping to streams #16156

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Nov 9, 2015
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pierredup committed Nov 9, 2015
commit 5ca7dee2fd024681da037b9a3ec3f3c8c2c34f8c
4 changes: 2 additions & 2 deletions src/Symfony/Component/Filesystem/Filesystem.php
Original file line number Diff line number Diff line change
Expand Up @@ -487,8 +487,8 @@ public function tempnam($dir, $prefix)
$tmpFile = $dir.'/'.$prefix.uniqid(mt_rand(), true);

// Use fopen instead of file_exists as some streams do not support stat
// Use mode 'x' to atomically check existence and create to avoid a TOCTOU vulnerability
$handle = @fopen($tmpFile, 'x');
// Use mode 'x+' to atomically check existence and create to avoid a TOCTOU vulnerability
$handle = @fopen($tmpFile, 'x+');

// If unsuccessful restart the loop
if (false === $handle) {
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