On 01/21/2010 12:21 PM, Bill Nottingham wrote:
> We have an existing bug where if you're in single-user mode, and
> SELinux is active, various commands don't print to the console. The
> root of this is the single-user shell isn't running in the right
> SELinux context, as there's nothing to distinguish this from the
> 'normal' shells run during bootup.
>
> By far, the simplest fix is to run something that starts a shell via
> a 'normal' login-ish mechanism. Hence, the attached patch that
> switches to sulogin for single user mode.
Does this also fix any the various problems where /bin/login sets up
your tty but bash alone doesn't, so things like C-left and C-c don't
work right? If so, that's a very good thing.
> However, this changes behavior that has existed since the dawn of
> time in Red Hat/Fedora systems; with this change, single-user mode
> would now require the root password. This is both when booting with
> 'linux single/linux S', or going to runlevel 1 with 'telinit 1'.
The only drawback I see here is that it may mean depending on nsswitch
and pam to get to a single user root shell, which means a lot more things
have to be working.
--
Peter
Obviously, a major malfunction has occurred.
-- Steve Nesbitt, voice of Mission Control, January 28, 1986
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