Question

PHP IIS fopen permission denied?

Asked by: dj__jebus

I am writing a small script that I need to write my data to a file on my web server.

    <?php
     $filename = $_POST['filename'];
     $data = $_POST['newdata'];
     $fh = fopen($filename, "w");
     fwrite($fh, $data);
     fclose($fh);
     echo "&nbsp &nbsp &nbsp &nbsp File has been successfully updated.<br>";
    ?>

Warning: fopen("about.html", "w") - Permission denied in C:\BlahDir\write.php on line 107

I am running IIS on winxp pro, and I have all the settings set that I could find to enable access for read/write and all that.  It only does this problem for opening the file for write, but only if the file exists.  If I manually delete the file first then it will create the file for me fine, but this is not an option for my situation.  I get the same error if I try to use unlink to delete the file first, so the problem is related somehow with writing to the existing files.  I have tried googleing this problem but nothing seems to have an answer that I can understand. (I'm very new to php and only know basics of my IIS).  I have read that this is possibly caused by the permissions of which php is running under in windows or something.  Please help, I am creating this so that I can update my website this way while I'm on a long vaction which I am leaving for very soon!

Thanks, Jebus

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Asked On
2004-05-20 at 23:25:30ID20997258
Tags

php

,

iis

,

fopen

,

permission

,

denied

Topic

PHP for Windows

Participating Experts
2
Points
500
Comments
7

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Answers

 

by: techtonikPosted on 2004-05-21 at 03:04:16ID: 11125130

Could you modify files, created by PHP without deleting them when you execute the script for the second time?
If so - check permissions on newly created files and your manually uploaded ones. Seems, that when you upload them - you set permissions to delete only for owner - i.e. you. PHP under IIS executed (afaik) as IUSR_ account, so you need to enable that account to delete these files. Compare permissions to figure out which ones need to be modified. And supply your PHP/IIS versions together with sample permissions if something will go wrong.

 

by: dj__jebusPosted on 2004-05-21 at 06:36:55ID: 11126514

How exactly do I check all those permissions?  It is my other pc that is running IIS with all this so I have full access to it.

Thanks, Jebus

 

by: dj__jebusPosted on 2004-05-21 at 07:16:00ID: 11126857

Oh, and yes I can edit the files the second time around after php creates them.

Thanks, Jebus

 

by: movemediaPosted on 2004-05-21 at 14:32:21ID: 11130422

in the directory you are adding / deleting / modifying files, make sure that the "Internet Guest Account" has access rights to do all of the above.  Do this by right clicking on the folder in question, selecting properties.  now click the security tab.  IUSR_<computer name> is probably not in there, so click "add user..."

now, click advanced and do a search.  pick the internet guest account from that list, click ok.  now specify the permissions you want that user to have.

if you do in fact already have IUSR_<computer name> in there with all permissions and am still getting this problem, then we have another problem on our hands

let me know your findings on this one.

-Chris

 

by: dj__jebusPosted on 2004-05-21 at 16:31:40ID: 11130905

Thank you so much, I can now update my files!  The only problem I now face is that when I have a " in my html files it replaces them with a bunch of \\\ charactors, but it works so I'm happy and I can probably figure this part out now, thanks so much!

Thanks, Jebus

 

by: techtonikPosted on 2004-05-21 at 20:10:11ID: 11131705

First I must have to ask if you're using NTFS as your server's file system?
If so, then in file properties there should be tab called Security.

 

by: techtonikPosted on 2004-05-21 at 20:21:19ID: 11131730

Sorry, answered for too long from hibernate - forgot to reload the page.
As for your files - use stripslashes() on your POST data. It is escaped, because you have enabled magic_quotes_gpc directive enabled in your php.ini

Hope this helps.

20120131-EE-VQP-002

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