Re: SELinux Policy in OpenSUSE 11.2

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On Mon, 2010-02-22 at 22:17 -0800, Justin P. mattock wrote:
> ahh.. I see what you mean by transition
> i.g. with enable_upstart=0
> 
> under ps auxZ
> I see everything is with sysadm_t
> example when dbus starts:
> with enable_upstart=0
> system_u:system_r:sysadm_t
> and continues to have sysadm_t
> 
> (with enable_upstart=1)
> system_u:system_r:udev_t
> and all other daemons etc.. go into there
> proper name(udev_t,hald_t,xdm_t)down the line.
> 
> 
> I've looked at the file contexts, and
> am not seeing anything out of the ordinary
> (but could be wrong).
> 
> any ideas?

Looks like /etc/init.d/rc is labeled correctly.
And /etc/init.d/rc and /etc/init.d/boot have the #!/bin/sh prefix?

Looking at the sysvinit code, it appears that it will invoke the command
specified in /etc/inittab via a shell if:
- the command string has any meta characters in it that need
interpretation (but your /etc/inittab didn't look that way), or
- the attempt to exec the command directly returns with errno ENOEXEC
(this will happen if the script lacks a #!/path/to/interpreter header).

The proper domain transition only happens upon direct execution of the
script, not if it is invoked indirectly via the shell.

-- 
Stephen Smalley
National Security Agency


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