From: Al Viro <viro@ftp.linux.org.uk>
To: Andreas Gruenbacher <agruen@suse.de>
Cc: James Morris <jmorris@namei.org>,
jjohansen@suse.de, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org, chrisw@sous-sol.org,
Tony Jones <tonyj@suse.de>
Subject: Re: [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook
Date: Thu, 24 May 2007 19:40:39 +0100 [thread overview]
Message-ID: <20070524184039.GH4095@ftp.linux.org.uk> (raw)
In-Reply-To: <200705242010.00961.agruen@suse.de>
On Thu, May 24, 2007 at 08:10:00PM +0200, Andreas Gruenbacher wrote:
> Read it like this: we don't have a good idea how to support multiple
> namespaces so far. Currently, we interpret all pathnames relative to the
> namespace a process is in. Confined processes don't have the privilege to
> create or manipulate namespaces, which makes this safe. We may find a better
> future solution.
You also don't have a solution for multiple chroot jails, since they
often have the same fs mounted in many places on given box *and* since
the pathnames from the confined processes' POVs have fsck-all to do
with each other.
It's really not kinder than multiple namespaces as far as your approach
is concerned.
next prev parent reply other threads:[~2007-05-24 18:40 UTC|newest]
Thread overview: 159+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-12 9:08 [AppArmor 00/41] AppArmor security module overview jjohansen
2007-04-12 9:08 ` [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook jjohansen
2007-04-12 10:06 ` Christoph Hellwig
2007-04-16 16:11 ` [nameidata 1/2] Don't pass NULL nameidata to vfs_create Andreas Gruenbacher
2007-04-16 16:21 ` Christoph Hellwig
2007-04-16 16:40 ` Andreas Gruenbacher
2007-04-16 16:45 ` Christoph Hellwig
2007-04-17 12:09 ` Andreas Gruenbacher
2007-05-11 15:59 ` Andreas Gruenbacher
2007-04-16 16:25 ` Matthew Wilcox
2007-04-16 16:29 ` [nameidata 2/2] Pass no useless nameidata to the create, lookup, and permission IOPs Andreas Gruenbacher
2007-04-16 16:39 ` Christoph Hellwig
2007-04-16 16:42 ` Randy Dunlap
2007-04-16 16:44 ` Andreas Gruenbacher
2007-04-16 16:50 ` Randy Dunlap
2007-04-12 10:12 ` [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook Al Viro
2007-05-23 19:06 ` Andreas Gruenbacher
2007-05-24 1:28 ` James Morris
2007-05-24 9:16 ` Andreas Gruenbacher
2007-05-24 12:51 ` [AppArmor 01/41] Pass struct vfsmount to the inode_create LSMhook Tetsuo Handa
[not found] ` <200705241112.41101.agruen@suse.de>
2007-05-24 13:19 ` [AppArmor 01/41] Pass struct vfsmount to the inode_create LSM hook James Morris
2007-05-24 18:10 ` Andreas Gruenbacher
2007-05-24 18:40 ` Al Viro [this message]
2007-05-24 21:56 ` Andreas Gruenbacher
2007-05-24 18:58 ` Casey Schaufler
2007-05-25 4:14 ` Andreas Gruenbacher
2007-05-25 5:17 ` Jeremy Maitin-Shepard
2007-05-25 17:43 ` Casey Schaufler
2007-05-25 18:10 ` Jeremy Maitin-Shepard
2007-05-25 18:13 ` Jeremy Maitin-Shepard
2007-05-25 19:06 ` Casey Schaufler
2007-05-26 1:40 ` Tetsuo Handa
2007-05-26 12:10 ` Andreas Gruenbacher
2007-05-26 22:58 ` Casey Schaufler
2007-05-27 1:33 ` Valdis.Kletnieks
2007-05-25 20:00 ` Andreas Gruenbacher
2007-05-25 20:27 ` Casey Schaufler
2007-05-26 5:27 ` Crispin Cowan
2007-05-26 13:34 ` Alan Cox
2007-05-26 14:05 ` Andreas Gruenbacher
2007-05-26 18:41 ` James Morris
2007-05-26 5:20 ` Kyle Moffett
2007-05-26 11:46 ` Andreas Gruenbacher
2007-05-26 12:09 ` Tetsuo Handa
2007-05-26 13:41 ` Andreas Gruenbacher
2007-05-26 14:44 ` Tetsuo Handa
2007-05-26 16:52 ` Andreas Gruenbacher
2007-05-26 18:16 ` Kyle Moffett
2007-05-26 18:45 ` [AppArmor 01/41] " James Morris
2007-05-26 23:08 ` Toshiharu Harada
2007-05-27 2:10 ` Kyle Moffett
2007-05-27 2:37 ` Valdis.Kletnieks
2007-05-27 5:32 ` Kyle Moffett
2007-05-28 20:38 ` Pavel Machek
2007-05-29 2:00 ` Kyle Moffett
2007-05-27 7:25 ` Toshiharu Harada
2007-05-27 13:35 ` Kyle Moffett
2007-05-28 10:41 ` Toshiharu Harada
2007-05-29 1:54 ` Kyle Moffett
2007-05-29 21:17 ` Valdis.Kletnieks
2007-05-30 5:52 ` Crispin Cowan
2007-05-24 14:40 ` Pavel Machek
2007-05-30 10:06 ` Alan Cox
2007-05-30 2:38 ` Toshiharu Harada
2007-05-27 8:34 ` Cliffe
2007-05-27 13:07 ` Kyle Moffett
2007-05-27 16:12 ` Casey Schaufler
2007-05-25 8:01 ` Toshiharu Harada
2007-04-12 9:08 ` [AppArmor 02/41] Remove redundant check from proc_setattr() jjohansen
2007-04-12 9:08 ` [AppArmor 03/41] Remove redundant check from proc_sys_setattr() jjohansen
2007-04-12 10:10 ` Alan Cox
2007-04-12 9:08 ` [AppArmor 04/41] Pass struct file down to remove_suid and children jjohansen
2007-04-12 9:08 ` [AppArmor 05/41] Add a vfsmount parameter to notify_change() jjohansen
2007-04-12 9:08 ` [AppArmor 06/41] Pass struct vfsmount to the inode_setattr LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 07/41] Add struct vfsmount parameter to vfs_mkdir() jjohansen
2007-04-12 9:08 ` [AppArmor 08/41] Pass struct vfsmount to the inode_mkdir LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 09/41] Add a struct vfsmount parameter to vfs_mknod() jjohansen
2007-04-12 9:08 ` [AppArmor 10/41] Pass struct vfsmount to the inode_mknod LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 11/41] Add a struct vfsmount parameter to vfs_symlink() jjohansen
2007-04-12 9:08 ` [AppArmor 12/41] Pass struct vfsmount to the inode_symlink LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 13/41] Pass struct vfsmount to the inode_readlink " jjohansen
2007-04-12 9:08 ` [AppArmor 14/41] Add struct vfsmount parameters to vfs_link() jjohansen
2007-04-12 9:08 ` [AppArmor 15/41] Pass the struct vfsmounts to the inode_link LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 16/41] Add a struct vfsmount parameter to vfs_rmdir() jjohansen
2007-04-12 9:08 ` [AppArmor 17/41] Pass struct vfsmount to the inode_rmdir LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 18/41] call lsm hook before unhashing dentry in vfs_rmdir() jjohansen
2007-04-12 9:08 ` [AppArmor 19/41] Add a struct vfsmount parameter to vfs_unlink() jjohansen
2007-04-12 9:08 ` [AppArmor 20/41] Pass struct vfsmount to the inode_unlink LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 21/41] Add struct vfsmount parameters to vfs_rename() jjohansen
2007-04-12 9:08 ` [AppArmor 22/41] Pass struct vfsmount to the inode_rename LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 23/41] Add a struct vfsmount parameter to vfs_setxattr() jjohansen
2007-04-12 9:08 ` [AppArmor 24/41] Pass struct vfsmount to the inode_setxattr LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 25/41] Add a struct vfsmount parameter to vfs_getxattr() jjohansen
2007-04-12 9:08 ` [AppArmor 26/41] Pass struct vfsmount to the inode_getxattr LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 27/41] Add a struct vfsmount parameter to vfs_listxattr() jjohansen
2007-04-12 9:08 ` [AppArmor 28/41] Pass struct vfsmount to the inode_listxattr LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 29/41] Add a struct vfsmount parameter to vfs_removexattr() jjohansen
2007-04-12 9:08 ` [AppArmor 30/41] Pass struct vfsmount to the inode_removexattr LSM hook jjohansen
2007-04-12 9:08 ` [AppArmor 31/41] Fix __d_path() for lazy unmounts and make it unambiguous; exclude unreachable mount points from /proc/mounts jjohansen
2007-04-12 9:58 ` Alan Cox
2007-04-15 17:40 ` Andreas Gruenbacher
2007-04-16 21:57 ` Alan Cox
2007-04-17 1:35 ` Andreas Gruenbacher
2007-04-17 17:21 ` Alan Cox
2007-04-19 23:23 ` [d_path 0/7] Fixes to d_path: Respin Andreas Gruenbacher
2007-04-19 23:23 ` [d_path 1/7] Fix __d_path() for lazy unmounts and make it unambiguous Andreas Gruenbacher
2007-04-20 9:32 ` Alan Cox
2007-04-19 23:23 ` [d_path 2/7] Make d_path() consistent across mount operations Andreas Gruenbacher
2007-04-19 23:23 ` [d_path 3/7] Add d_namespace_path() to compute namespace relative pathnames Andreas Gruenbacher
2007-04-21 12:57 ` Tetsuo Handa
2007-04-21 16:16 ` Andreas Gruenbacher
2007-04-19 23:23 ` [d_path 4/7] Make getcwd() only return valid paths Andreas Gruenbacher
2007-04-19 23:23 ` [d_path 5/7] Remove duplicate proc code Andreas Gruenbacher
2007-04-19 23:23 ` [d_path 6/7] Filter out disconnected paths from /proc/mounts Andreas Gruenbacher
2007-04-20 9:34 ` Alan Cox
2007-04-19 23:23 ` [d_path 7/7] Distinguish between connected and disconnected paths in d_path() Andreas Gruenbacher
2007-04-20 9:30 ` [d_path 0/7] Fixes to d_path: Respin Alan Cox
2007-04-20 11:45 ` Andreas Gruenbacher
2007-04-20 15:15 ` Ulrich Drepper
2007-04-20 15:21 ` Andreas Gruenbacher
2007-04-20 15:24 ` Ulrich Drepper
2007-04-20 16:40 ` Andreas Gruenbacher
2007-04-20 19:17 ` Ulrich Drepper
2007-04-20 20:44 ` Miklos Szeredi
2007-04-21 19:04 ` Andreas Gruenbacher
2007-04-21 19:46 ` Ulrich Drepper
2007-04-22 9:10 ` Christoph Hellwig
2007-04-22 15:48 ` Andreas Gruenbacher
2007-04-17 6:30 ` [AppArmor 31/41] Fix __d_path() for lazy unmounts and make it unambiguous; exclude unreachable mount points from /proc/mounts Rob Meijer
2007-04-12 9:08 ` [AppArmor 32/41] Make d_path() consistent across mount operations jjohansen
2007-04-12 9:08 ` [AppArmor 33/41] Add d_namespace_path() to obtain namespace relative pathnames jjohansen
2007-04-12 10:49 ` Al Viro
2007-04-12 9:08 ` [AppArmor 34/41] Enable LSM hooks to distinguish operations on file descriptors from operations on pathnames jjohansen
2007-04-12 9:08 ` [AppArmor 35/41] Pass struct file down the inode_*xattr security LSM hooks jjohansen
2007-04-12 9:08 ` [AppArmor 36/41] Export audit subsystem for use by modules jjohansen
2007-04-12 9:08 ` [AppArmor 37/41] AppArmor: Main Part jjohansen
2007-04-12 10:37 ` Alan Cox
2007-04-13 8:17 ` Andreas Gruenbacher
2007-04-13 8:48 ` Andreas Gruenbacher
2007-04-13 8:52 ` Nick Piggin
2007-04-12 9:08 ` [AppArmor 38/41] AppArmor: Module and LSM hooks jjohansen
2007-04-12 10:21 ` Alan Cox
2007-04-16 21:37 ` John Johansen
2007-04-12 9:08 ` [AppArmor 39/41] AppArmor: Profile loading and manipulation, pathname matching jjohansen
2007-04-12 10:28 ` Alan Cox
2007-04-12 13:46 ` Andi Kleen
2007-04-15 14:21 ` Andreas Gruenbacher
2007-04-16 6:27 ` Andi Kleen
2007-04-16 20:56 ` John Johansen
2007-04-16 7:39 ` Pavel Machek
2007-04-16 22:00 ` Alan Cox
2007-04-16 22:11 ` John Johansen
2007-04-12 9:08 ` [AppArmor 40/41] AppArmor: all the rest jjohansen
2007-04-12 10:32 ` Al Viro
2007-04-12 11:32 ` Al Viro
2007-04-12 9:08 ` [AppArmor 41/41] Add AppArmor LSM to security/Makefile jjohansen
2007-04-12 10:33 ` [AppArmor 00/41] AppArmor security module overview Shaya Potter
2007-04-12 13:50 ` Pavel Machek
2007-04-13 8:04 ` Rob Meijer
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