On Sat, Nov 21, 2009 at 17:23, Donald Russell <russell.don@xxxxxxxxx> wrote:
I have a PHP web page that builds a list of files from a particular directory.
In that PHP script I want to include some information about "what is using the file" (i.e ftp, gzip, cp etc.. so I code
exec('/sbin/fuser -v $fpath/$fname',$answer,$retcode);
Retcode is always 1 (not in use, or a "fatal error" happened) and $answer is always empty
From root, in the directory I'm interested in I use fuser -v * and it shows me a couple of in-use items
(for testing I have a little loop that gzip/gunzip a rather large file)
I tried /sbin/fuser from my own id and get the same results as apache... that is, nothing useful.
So I thought AH HA!, use sudo in the PHP script...
I got an error message from sudo saying a tty is required to use sudo even though I had that command set up to not require password.
Back to the drawing board...
How can I issue a command from a PHP script that will "run as root" to get the fuser results for me?
In some cases the file are chmod 600 root root in other cases 644 <regular user> <regular user>
I want my web page thing to show me the files in-use... I can live without the 600 root-root files, but I really need to see the others.
Any suggestions?
Thank very much.
Solution:
$ chmod 6755 /sbin/fuser
I'm not sure that's a really good idea.... but it gets the job done pretty nicely.
I don't think that introduces any problems... only the program/command name is shown when using the -v option...
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