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POPHP mkdir Permission Denied running on Windows Server 2008 IIS 7 due to Read Only Attribute?
 

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  1. POPHP mkdir Permission Denied running on Windows Server 2008 IIS 7 due to Read Only Attribute?
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    <p>I'm having a problem with a PHP website running on IIS 7 on Windows Server 2008.</p> <p>There is one line of code calling mkdir which is erroring and the error log reads:</p> <p>"... permission denied ..."</p> <p><strong>I have ruled out anything to do with folder permissions (I have tried multiple groups: Everyone, Users, IUSR, Network Service etc. with no luck).</strong></p> <p><strong>I need to know how mkdir works, does it check the read-only attribute of the parent folder?</strong></p> <p>If so, then this could be the root of the problem as all folders in Windows Server 2008 are marked as "Read Only" and the checkbox is greyed-out - Microsoft say it is "by design" but I think it is really "bad design".</p> <p>Please help.</p> <p>P.S. The line of code which errors can be found here <a href="https://github.com/LimeSurvey/LimeSurvey/blob/070d255ba381d7abcd231d7c9e0c7d11f5578c97/admin/templates.php#L1182" rel="noreferrer">https://github.com/LimeSurvey/LimeSurvey/blob/070d255ba381d7abcd231d7c9e0c7d11f5578c97/admin/templates.php#L1182</a> it is line 1182.</p> <p>SOLUTION:</p> <ul> <li>It was a permissions issue after all!</li> <li>We were applying permissions to the wrong folder (smacks hand to forehead)</li> <li>There are two "Templates" folders: /Templates and /Uploads/Templates</li> <li>/Template is for default templates whereas /Uploads/Templates is for user-created ones</li> <li>We gave the "Users" group r/w/execute/modify permissions to /Uploads/Templates folder</li> <li>Whereas previously we were applying permissions to /Templates</li> <li>To debug this I used <code>echo</code> to output the <code>$target</code> value</li> </ul> <p>LESSONS LEARNT:</p> <ul> <li>Always read the error message - it said "permission denied" and I didn't believe it</li> <li>Don't assume the obvious to be true - /Templates wasn't the right folder</li> <li>If the code is erroring then debug the code and don't try to guess the problem</li> <li>Debug the code using simple techniques such as outputting variable values - e.g. echo</li> <li>Listen to the majority - most people here were right in saying IT IS A PERMISSIONS ISSUE!</li> <li>Most errors have a simple fix - don't go looking for something complex</li> </ul> <p>Bounty awarded to @BOMEz because of the useful quote from <code>mkdir()</code> documentation which indicated that I should double-think the permissions. @BOMEz also provided a tailored answer and interacted with me via comments which helped.</p>
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    1. COCan you post the code snippet around the mkdir? It might just be that you need to put the full path to the directory you want to make and not just the name of it.
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    2. COHere is the line of code that is erroring: https://github.com/LimeSurvey/LimeSurvey/blob/070d255ba381d7abcd231d7c9e0c7d11f5578c97/admin/templates.php#L1182 it is line 1182.
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