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From: Nicolas Iooss <nicolas.iooss@m4x.org>
To: Chris PeBenito <pebenito@ieee.org>
Cc: refpolicy <selinux-refpolicy@vger.kernel.org>
Subject: Re: [RFC] Rename *_var_run_t to *_runtime_t
Date: Sun, 15 Sep 2019 12:33:08 +0200
Message-ID: <CAJfZ7=khMjHJ01jCXkrTZ2sCypGjW9ZP2fZ0NOYTvynDFQhRCw@mail.gmail.com> (raw)
In-Reply-To: <581e9bcc-b5f9-1219-c520-d4dbf2b5f9eb@ieee.org>

On Sat, Sep 14, 2019 at 11:52 PM Chris PeBenito <pebenito@ieee.org> wrote:
>
> /var/run has moved to /run on most systems and it's use has increased
> beyond pid files and sockets. Because of this, new types used in /run
> have for some time followed the convention *_runtime_t. This change
> would rename all *_var_run_t types to *_runtime_t.
>
> Since this adds many aliases to the policy, the patch set also drops all
> old backwards-compatibility aliases.
>
> https://github.com/SELinuxProject/refpolicy/pull/106
>
> Any objections to this?

Hello,
I agree with this change.

When I loaded the policy with your patch on my test system, my kernel
logs issued a warning:

SELinux:  Context sysadm_u:sysadm_r:samba_net_t became invalid (unmapped).
SELinux:  Context sysadm_u:sysadm_r:smbcontrol_t became invalid (unmapped).
SELinux:  Context sysadm_u:sysadm_r:winbind_helper_t became invalid (unmapped).

This is because the following optional block from sysadm.te is now dropped:

optional_policy(`
samba_admin(sysadm_t, sysadm_r)
samba_run_smbcontrol(sysadm_t, sysadm_r)
samba_run_smbmount(sysadm_t, sysadm_r)
samba_run_net(sysadm_t, sysadm_r)
samba_run_winbind_helper(sysadm_t, sysadm_r)
')

This block is dropped because it required two types that are not
defined: nmbd_runtime_t and smbd_runtime_t.

In the current refpolicy (git master), there is:

typealias samba_var_run_t alias { nmbd_var_run_t smbd_var_run_t };

Your pull request changes this to:

typealias samba_runtime_t alias { nmbd_var_run_t smbd_var_run_t };

Should nmbd_runtime_t and smbd_runtime_t be changed to samba_runtime_t
in interface samba_admin()?
Other than that, I did not find other issues.

Thanks,
Nicolas


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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-14 21:51 Chris PeBenito
2019-09-15 10:33 ` Nicolas Iooss [this message]
2019-09-17  0:52   ` Chris PeBenito

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