From: Al Viro <viro@ZenIV.linux.org.uk>
To: Eric Paris <eparis@redhat.com>
Cc: xfs-masters@oss.sgi.com, linux-btrfs@vger.kernel.org,
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akpm@linux-foundation.org, dwmw2@infradea
Subject: Re: [PATCH] fs/vfs/security: pass last path component to LSM on inode creation
Date: Fri, 8 Jul 2011 17:17:22 +0100 [thread overview]
Message-ID: <20110708161722.GG11013@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20101208194527.13537.77202.stgit@paris.rdu.redhat.com>
On Wed, Dec 08, 2010 at 02:45:27PM -0500, Eric Paris wrote:
> SELinux would like to implement a new labeling behavior of newly created
> inodes. We currently label new inodes based on the parent and the creating
> process. This new behavior would also take into account the name of the
> new object when deciding the new label. This is not the (supposed) full path,
> just the last component of the path.
>
> This is very useful because creating /etc/shadow is different than creating
> /etc/passwd but the kernel hooks are unable to differentiate these
> operations. We currently require that userspace realize it is doing some
> difficult operation like that and than userspace jumps through SELinux hoops
> to get things set up correctly. This patch does not implement new
> behavior, that is obviously contained in a seperate SELinux patch, but it
> does pass the needed name down to the correct LSM hook. If no such name
> exists it is fine to pass NULL.
-ETOOFUCKINGUGLY...
next prev parent reply other threads:[~2011-07-08 16:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20101208194527.13537.77202.stgit@paris.rdu.redhat.com>
2010-12-09 15:05 ` [PATCH] fs/vfs/security: pass last path component to LSM on inode creation John Stoffel
2010-12-09 15:52 ` Eric Paris
2010-12-09 17:48 ` John Stoffel
2010-12-09 18:05 ` Eric Paris
2010-12-09 16:05 ` Serge Hallyn
2011-07-08 16:17 ` Al Viro [this message]
2010-12-08 19:45 Eric Paris
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