From: Stephen Smalley <sds@tycho.nsa.gov>
To: Sam Gandhi <samgandhi9@gmail.com>
Cc: selinux@tycho.nsa.gov
Subject: Re: login process unable to execute /bin/sh
Date: Fri, 01 Jul 2011 09:24:06 -0400 [thread overview]
Message-ID: <1309526646.31276.3.camel@moss-pluto> (raw)
In-Reply-To: <BANLkTiknN0tGP7xJmUO7Enxmqw2TjtgVKg@mail.gmail.com>
On Mon, 2011-06-27 at 08:44 -0700, Sam Gandhi wrote:
> I have labelled login and sh as shown below.
>
> -rwxr-xr-x 1 25024 Jun 24 22:20 system_u:object_r:login_exec_t
> /bin/login
> -rwxr-xr-x 1 15 Jun 24 18:40 system_u:object_r:bin_t
> /bin/sh
>
> Following is output of ps -Z
> 1 system_u:system_r:init_t S init
> 583 system_u:system_r:local_login_t S login -- root
>
> But when I login I see these messages :
>
> Jan 1 10:00:23 192.168.137.1 kernel: type=1400 audit(23.040:40): avc:
> granted { transition } for pid=596 comm="getty" path="/bin/login"
> dev=ubifs ino=99 scontext=system_u:system_r:initrc_t
> tcontext=system_u:system_r:local_login_t tclass=process
> Jun 28 01:30:17 192.168.137.1 kernel: type=1400
> audit(1309188617.348:46): avc: denied { transition } for pid=833
> comm="login" path="/bin/sh" dev=ubifs ino=93
> scontext=system_u:system_r:local_login_t
> tcontext=root:system_r:initrc_t tclass=process
>
> I do see following statement in policy.conf (monolithic)
>
> allow local_login_t initrc_t:process transition;
Constraint violation. audit2why would have told you so.
--
Stephen Smalley
National Security Agency
--
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prev parent reply other threads:[~2011-07-01 13:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-27 15:44 login process unable to execute /bin/sh Sam Gandhi
2011-06-27 16:47 ` Guido Trentalancia
2011-06-28 13:02 ` Sam Gandhi
2011-06-28 13:29 ` Russell Coker
2011-06-28 22:06 ` Sam Gandhi
2011-06-29 13:33 ` Russell Coker
2011-07-01 13:26 ` Stephen Smalley
2011-07-01 16:32 ` Sam Gandhi
2011-06-27 17:08 ` Kyle Moffett
2011-07-01 13:24 ` Stephen Smalley [this message]
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