Re: [RFC] Add vfsmount to vfs helper functions.

2008-02-17 Thread Tetsuo Handa
Hello. This is (c) Add new hooks. approach I proposed at http://www.mail-archive.com/[EMAIL PROTECTED]/msg11536.html . Although this is an incomplete patch, I want to know whether you can tolerate this approach or not. If you cannot tolerate this approach, may be we need to consider

Re: Possible problem in linux file posix capabilities

2008-02-17 Thread Serge E. Hallyn
Quoting [EMAIL PROTECTED] ([EMAIL PROTECTED]): Hello, I'm not sure it is you the right person to contact. I tried to run latest normal user wireshark with SUID dumpcap without success under linux-2.6.24.2. After looking around it seems to be related to the file in the kernel

Re: [RFC] Add vfsmount to vfs helper functions.

2008-02-17 Thread Al Viro
On Sun, Feb 17, 2008 at 06:00:30PM +0900, Tetsuo Handa wrote: Hello. This is (c) Add new hooks. approach I proposed at http://www.mail-archive.com/[EMAIL PROTECTED]/msg11536.html . Although this is an incomplete patch, I want to know whether you can tolerate this approach or not. If

Re: [RFC] Add vfsmount to vfs helper functions.

2008-02-17 Thread Tetsuo Handa
Hello. No printable comments, except for that: (e) why don't you guys move the Linus' Serious Mistake to _callers_ of vfs_mknod() and its ilk? Which obviously solves all problems with having vfsmount. Excuse me. I didn't understand what the Linus' Serious Mistake to _callers_ of

Re: [RFC] Add vfsmount to vfs helper functions.

2008-02-17 Thread Al Viro
On Mon, Feb 18, 2008 at 09:03:51AM +0900, Tetsuo Handa wrote: Hello. No printable comments, except for that: (e) why don't you guys move the Linus' Serious Mistake to _callers_ of vfs_mknod() and its ilk? Which obviously solves all problems with having vfsmount. Excuse me. I

Re: Possible problem in linux file posix capabilities

2008-02-17 Thread Andrew G. Morgan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Serge E. Hallyn wrote: | Andrew, this pretty much was bound to happen... we need to figure out | what our approach here should be. My preference is still to allow | signals when p-uid==current-uid so long as !SECURE_NOROOT. Then as | people start

Re: Possible problem in linux file posix capabilities

2008-02-17 Thread Serge E. Hallyn
Quoting Andrew G. Morgan ([EMAIL PROTECTED]): -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Serge E. Hallyn wrote: | Andrew, this pretty much was bound to happen... we need to figure out | what our approach here should be. My preference is still to allow | signals when p-uid==current-uid

Re: Possible problem in linux file posix capabilities

2008-02-17 Thread Andrew G. Morgan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Serge E. Hallyn wrote: | Signed-off-by: Serge E. Hallyn [EMAIL PROTECTED] | --- | security/commoncap.c |2 +- | 1 files changed, 1 insertions(+), 1 deletions(-) | | diff --git a/security/commoncap.c b/security/commoncap.c | index

Re: Possible problem in linux file posix capabilities

2008-02-17 Thread Casey Schaufler
--- Serge E. Hallyn [EMAIL PROTECTED] wrote: Two quick fixes for you right now (apart from the one you've already got :) would be 1. give wireshark cap_kill, by doing something like capset cap_kill=ep /bin/wireshark 2. compile a kernel with

Re: [PATCH] exporting capability code/name pairs (try #5.1)

2008-02-17 Thread Kohei KaiGai
Greg KH wrote: On Fri, Feb 15, 2008 at 12:38:02PM -0600, Serge E. Hallyn wrote: This patch enables to export code/name of capabilities supported on the running kernel. A newer kernel sometimes adds new capabilities, like CAP_MAC_ADMIN at 2.6.25. However, we have no interface to

Re: [PATCH] exporting capability code/name pairs (try #5.1)

2008-02-17 Thread Greg KH
On Mon, Feb 18, 2008 at 04:12:53PM +0900, Kohei KaiGai wrote: Greg KH wrote: On Fri, Feb 15, 2008 at 12:38:02PM -0600, Serge E. Hallyn wrote: This patch enables to export code/name of capabilities supported on the running kernel. A newer kernel sometimes adds new