From: Wakko Warner <wakko@animx.eu.org>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Gaurav Saxena <grvsaxena419@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: Intercepting system calls
Date: Fri, 23 Dec 2011 10:10:53 -0500 [thread overview]
Message-ID: <20111223151053.GB25014@animx.eu.org> (raw)
In-Reply-To: <alpine.LRH.2.00.1112231044360.21599@twin.jikos.cz>
Jiri Kosina wrote:
> On Thu, 22 Dec 2011, Wakko Warner wrote:
>
> > > Oh. I will not do it then, could you suggest me something so that I
> > > could prevent unlink on some file say using kernel support. I want to
> > > save file on unlink how could I do that without kernel support, or how
> > > could I do that using a kernel module.
> >
> > I wrote a library that can be loaded in userspace that does this. It's not
> > very polished, but it works for me. I use it for rsync when I want files
> > "deleted" but not from the filesystem. It creates a .deleted directory in
> > the $PWD.
>
> I don't see a way how library could cover any arbitrary userspace process
> issuing unlink() (consider statically linked binaries, for starters).
It cannot. I already understand that static binaries cannot be trapped like
this.
--
Microsoft has beaten Volkswagen's world record. Volkswagen only created 22
million bugs.
next prev parent reply other threads:[~2011-12-23 15:10 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-22 16:07 Gaurav Saxena
2011-12-22 16:42 ` richard -rw- weinberger
2011-12-22 16:59 ` Gaurav Saxena
2011-12-22 17:05 ` richard -rw- weinberger
2011-12-22 17:16 ` Gaurav Saxena
2011-12-22 17:32 ` richard -rw- weinberger
2011-12-22 17:37 ` Gaurav Saxena
2011-12-22 17:52 ` John Stoffel
2011-12-23 2:22 ` Gaurav Saxena
2011-12-23 14:38 ` John Stoffel
2011-12-23 17:03 ` Gaurav Saxena
2011-12-28 12:56 ` Wojciech Zygmunt Porczyk
2011-12-29 6:38 ` Gaurav Saxena
2011-12-23 14:50 ` Alan Cox
2011-12-23 17:07 ` Gaurav Saxena
2011-12-22 19:03 ` Wakko Warner
2011-12-23 2:25 ` Gaurav Saxena
2011-12-23 9:45 ` Jiri Kosina
2011-12-23 15:10 ` Wakko Warner [this message]
2011-12-23 7:25 ` J. R. Okajima
2011-12-23 9:08 ` Gaurav Saxena
2011-12-23 9:16 ` richard -rw- weinberger
2011-12-23 9:22 ` Gaurav Saxena
2011-12-23 9:26 ` richard -rw- weinberger
2011-12-23 9:37 ` Gaurav Saxena
2011-12-23 9:47 ` Jiri Kosina
2011-12-23 9:50 ` Gaurav Saxena
2011-12-23 11:59 ` Gaurav Saxena
2011-12-23 12:29 ` Maxin B John
2011-12-23 12:50 ` Gaurav Saxena
2011-12-23 13:00 ` richard -rw- weinberger
-- strict thread matches above, loose matches on Subject: below --
2010-02-04 19:00 Oleg Kutkov
2010-02-04 19:26 ` Bryan Donlan
[not found] ` <5e9821061002042140le7ba356s48e535c9d8b637ec@mail.gmail.com>
2010-02-05 7:20 ` Bryan Donlan
2004-12-21 4:22 selvakumar nagendran
2004-12-21 4:28 ` Lee Revell
2004-12-21 13:51 ` Steven Rostedt
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