On Tue, May 17, 2011 at 11:31 AM, V.Ravikumar
[off-list ref] wrote:

On Mon, May 16, 2011 at 7:45 PM, Greg KH [off-list ref] wrote:

quoted

On Mon, May 16, 2011 at 03:02:10PM +0530, V.Ravikumar wrote:

quoted

Hi all,

(Note : I'm writing this mail to this kernel group as I did not find any
suitable mechanism in application level for my below need).

If a? file modified by some user then how can we detect that user who modified
it.

Linux audit was not suitable for my need.

Why not? ?It should have showed you this exactly.

For my need, I have to asynchronously notify? if a given file was modified by some user using some program.

As per my understanding for audit , one has to update system specific audit configuration files(say using some auditd related command line tools) with given? file and it is not suitable for my requirement.

Is there any other ways apart from using SystemTap and auditd command line tools.

Thanks for all your suggestions so far.

Have you considered using KProbes or tracepoints ?
For KProbes you do write some kernel module to monitor the function
you want. You have to be carefull not to try to monitor inlined
functions.
You could try to combine the use of KProbes with KThreads or
usermode-helper process.

It is just a thought.

Regards,
Ravikumar


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