Re: Problem with PHP and mounted folder

On Fri, Feb 28, 2014 at 3:50 PM, Aziz Saleh <azizsaleh@gmail.com> wrote: > > > > On Fri, Feb 28, 2014 at 3:43 PM, Cliff Nieuwenhuis < > c.nieuwenhuis@adcidesign.com> wrote: > >> From: Aziz Saleh [mailto:azizsaleh@gmail.com] >> Sent: Friday, February 28, 2014 1:41 PM >> To: Cliff Nieuwenhuis >> Cc: php-general@lists.php.net >> Subject: Re: [PHP] Problem with PHP and mounted folder >> >> r >> >> On Fri, Feb 28, 2014 at 1:00 PM, Cliff Nieuwenhuis < >> c.nieuwenhuis@adcidesign.com> wrote: >> >> Cliff Nieuwenhuis wrote: >> [snip] >> >> > The web application needs to read and create files in the projects >> folder, but >> > PHP doesn't recognize the projects folder as folder! I suspect a >> > permissions problem of some sort, but I can't figure out where. >> >> [snip] >> >> Aziz Saleh wrote: >> >> > You guessed right. PHP usually runs under a user with less permissions >> (www, user, etc..). You are probably >> > logged in as a user with permissions to access that mounted drive while >> PHP isn't. Both fixes are ugly, but >> > what I would recommend is giving permission to those files as opposed >> to giving PHP user more power. >> >> Thanks for the reply. >> >> I thought that PHP runs under HTTPD as user 'apache'. I know that the >> Apache webserver runs as user 'apache' on my system -- does PHP run as a >> different user? Assuming that it does not, wouldn't my successful test of >> traversing, reading, and writing files under the 'projects' folder by doing >> 'su - apache -s/bin/bash' mean that the permissions are OK? I guess not, >> but I can't see why not. >> >> -- >> Cliff Nieuwenhuis >> >> You are correct, when I said PHP I meant through the server. Try using >> runuser command instead. If you have exec enabled, try running an ls >> command as a user with higher permissions and see if that works. >> >> >> OK -- tried with runuser. I can see all the projects in the projects >> folder, and I can edit files that I should be able to edit (those files >> that can be edited by the Windows user account given in the credentials >> file that is used by mount.cifs). But I can't descend into the projects >> folder via PHP. >> >> If I browse to http://myserver/projects I see Apache's >> listing of all >> the subfolders and files. If I click on a test text (test.txt) file in >> that list, I see the text file contents in the browser. >> >> If I write php code like this: >> >> $contents = file_get_contents('projects/test.txt'); >> echo "Contents: $contents"; >> >> ..it works; the contents are displayed. BUT is_file('projects/test.txt') >> will return FALSE. >> >> >> > Does file_exists work? is_file will return false if the user doesn't have > permission on the parent directory. > Another option which is a bit faster than file_exists: stream_resolve_inlcude_path() !== false.