From: Daniel J Walsh <dwalsh@redhat.com>
To: Xavier Toth <txtoth@gmail.com>
Cc: SELinux List <selinux@tycho.nsa.gov>,
"David P. Quigley" <dpquigl@tycho.nsa.gov>
Subject: Re: FC10 MLS policy problems
Date: Sat, 27 Dec 2008 06:24:12 -0500 [thread overview]
Message-ID: <4956105C.3080809@redhat.com> (raw)
In-Reply-To: <cadfc0e40812240743w32ffc6admed19aa6f81abea15@mail.gmail.com>
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Xavier Toth wrote:
> On Mon, Dec 22, 2008 at 2:43 PM, David P. Quigley <dpquigl@tycho.nsa.gov> wrote:
>> On Mon, 2008-12-22 at 10:16 -0600, Xavier Toth wrote:
>>> I installed FC10, installed selinux-policy-mls, touched /.autorelabel
>>> and rebooted. Here are the kernel and policy installed:
>>>
>>> [tedx@localhost ~]$ uname -a
>>> Linux localhost.localdomain 2.6.27.7-134.fc10.x86_64 #1 SMP Mon Dec 1
>>> 22:21:35 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
>>> [tedx@localhost ~]$ rpm -qa | grep selinux-policy
>>> selinux-policy-3.5.13-34.fc10.noarch
>>> selinux-policy-targeted-3.5.13-34.fc10.noarch
>>> selinux-policy-mls-3.5.13-34.fc10.noarch
>>>
>>>
>>> During the relabeling I saw a lot of problems like the following:
>>>
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:userhelper_conf_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:etc_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:dnsmasq_initrc_exec_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:kerneloops_initrc_exec_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:portreserve_etc_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:selinux_config_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:default_context_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:semanage_store_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:admin_home_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:root_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:consolekit_log_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:rpm_log_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:dnsmasq_lease_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_var_lib_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:rpm_var_lib_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:games_data_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:consolekit_var_run_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_var_run_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:portreserve_var_run_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:user_home_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:gnome_home_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:gnome_home_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:mozilla_home_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:execmem_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:games_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:mono_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_resolve_exec_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_grant_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:polkit_auth_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:gnomeclock_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:openoffice_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:nsplugin_rw_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:nsplugin_config_exec_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:nsplugin_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:mozilla_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:consolekit_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:dnsmasq_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:usernetctl_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:userhelper_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:kerneloops_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:lockdev_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:unconfined_notrans_exec_t:s0 is not valid (left
>>> unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:user_tmp_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> unconfined_u:object_r:xdm_tmp_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: SELinux: Context
>>> system_u:object_r:portreserve_exec_t:s0 is not valid (left unmapped).
>>> Dec 22 10:02:28 localhost kernel: __ratelimit: 81 callbacks suppressed
>>>
>>> Then I logged in and did a ls -laZ of my home directory:
>>>
>>> drwx------ tedx tedx system_u:object_r:user_home_dir_t:s0-s15:c0.c1023 .
>>> drwxr-xr-x root root system_u:object_r:home_root_t:s0-s15:c0.c1023 ..
>>> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .bash_history
>>> -rw-r--r-- tedx tedx system_u:object_r:user_home_t:s0 .bash_logout
>>> -rw-r--r-- tedx tedx system_u:object_r:user_home_t:s0 .bash_profile
>>> -rw-r--r-- tedx tedx system_u:object_r:user_home_t:s0 .bashrc
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .cache
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .config
>>> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .dbus
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Desktop
>>> -rw-r--r-- tedx tedx system_u:object_r:xdm_home_t:s0 .dmrc
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Documents
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Download
>>> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .esd_auth
>>> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .gconf
>>> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .gconfd
>>> drwxr-xr-x tedx tedx system_u:object_r:user_home_t:s0 .gnome2
>>> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .gnome2_private
>>> drwxrwxr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .gstreamer-0.10
>>> -rw-rw-r-- tedx tedx user_u:object_r:user_home_t:s0 .gtk-bookmarks
>>> dr-x------ tedx tedx system_u:object_r:fusefs_t:s0 .gvfs
>>> -rw------- tedx tedx system_u:object_r:iceauth_home_t:s0 .ICEauthority
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .local
>>> drwxr-xr-x tedx tedx system_u:object_r:user_home_t:s0 .mozilla
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Music
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .nautilus
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Pictures
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Public
>>> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .pulse
>>> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .pulse-cookie
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Templates
>>> drwxrwxr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .tomboy
>>> -rw-rw-r-- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .tomboy.log
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Videos
>>> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .wapi
>>> -rw------- tedx tedx system_u:object_r:xdm_home_t:s0 .xsession-errors
>>> -rw------- tedx tedx system_u:object_r:xdm_home_t:s0 .xsession-errors.old
>>>
>>> How did these directories and files get relabel unlabeled_t:SystemHigh?
>>>
>>> Ted
>>>
>>> --
>>> This message was distributed to subscribers of the selinux mailing list.
>>> If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with
>>> the words "unsubscribe selinux" without quotes as the message.
>> I believe what you are seeing here is the deferred context mapping
>> support [1]. Essentially what is going on here is that the MLS policy
>> doesn't have those types defined so when the kernel goes to map the
>> contexts it will map them to unlabeled_t.
>>
>> Dave
>>
>> [1]http://lkml.org/lkml/2008/7/7/223
>>
>>
>
> Thanks now this makes sense to me. I've rebuilt my mls policy to
> include gnome, mozilla and some other modules to get the correct
> labeling on some vital directories like ~/.gconf. However I am
> concerned about some of the remaining unlabel files and directories
> and the impact on the users experience. It seems that the main issue
> is that since in the default targeted policy these files get labeled
> unconfined_u:object_r:user_home_t:s0 and then when you switch to MLS
> because the unconfined modules is not included they get relabel to
> system_u:object_r:unlabeled_t:s15:c0.c1023. Would it be
> possible/reasonable to only change the undefined portion of the
> context to something else for example only change unconfined_u to
> system_u instead of changing and losing the whole context?
>
>
> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .bash_history
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .cache
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .config
> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .dbus
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Desktop
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Documents
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Download
> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .esd_auth
> drwx------ tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .gnome2_private
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Music
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .nautilus
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Pictures
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Public
> -rw------- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .pulse-cookie
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Templates
> drwxrwxr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .tomboy
> -rw-rw-r-- tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .tomboy.log
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 Videos
> drwxr-xr-x tedx tedx system_u:object_r:unlabeled_t:s15:c0.c1023 .wapi
>
>
> Ted
>
> --
> This message was distributed to subscribers of the selinux mailing list.
> If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with
> the words "unsubscribe selinux" without quotes as the message.
This looks like the labelling of the home directory was unsuccessful?
If you run restorecon -R -v /home does this clean up the problems?
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next prev parent reply other threads:[~2008-12-27 11:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-22 16:16 FC10 MLS policy problems Xavier Toth
2008-12-22 20:43 ` David P. Quigley
2008-12-24 15:43 ` Xavier Toth
2008-12-27 11:24 ` Daniel J Walsh [this message]
2008-12-27 17:36 ` Xavier Toth
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