[refpolicy] [PATCH 3/3-v4] Allow systemd_logind to delete user_runtime_content_type files

Chris PeBenito pebenito at ieee.org
Wed Dec 13 01:19:45 UTC 2017


On 12/11/2017 09:15 PM, David Sugar via refpolicy wrote:
> Now that objects in /run/user/%{USERID}/* use the attribute user_runtime_content_type use interfaces userdom_delete_all_user_runtime_* to allow deletion of these objects.
> 
> type=AVC msg=audit(1511920346.734:199): avc:  denied  { read } for  pid=1067 comm="systemd-logind" name="dconf" dev="tmpfs" ino=14745 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> type=AVC msg=audit(1511920346.734:199): avc:  denied  { open } for  pid=1067 comm="systemd-logind" path="/run/user/998/dconf" dev="tmpfs" ino=14745 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> type=AVC msg=audit(1511920346.734:200): avc:  denied  { getattr } for  pid=1067 comm="systemd-logind" path="/run/user/998/dconf" dev="tmpfs" ino=14745 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> type=AVC msg=audit(1511920346.734:201): avc:  denied  { write } for  pid=1067 comm="systemd-logind" name="dconf" dev="tmpfs" ino=14745 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> type=AVC msg=audit(1511920346.734:201): avc:  denied  { remove_name } for  pid=1067 comm="systemd-logind" name="user" dev="tmpfs" ino=14746 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> type=AVC msg=audit(1511920346.734:201): avc:  denied  { unlink } for  pid=1067 comm="systemd-logind" name="user" dev="tmpfs" ino=14746 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=file
> type=AVC msg=audit(1511920346.734:202): avc:  denied  { rmdir } for  pid=1067 comm="systemd-logind" name="dconf" dev="tmpfs" ino=14745 scontext=system_u:system_r:systemd_logind_t:s0 tcontext=system_u:object_r:xdm_tmp_t:s0 tclass=dir
> 
> Signed-off-by: Dave Sugar <dsugar at tresys.com>
> ---
>   policy/modules/system/systemd.te | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/policy/modules/system/systemd.te b/policy/modules/system/systemd.te
> index 9ab85680..f64059b1 100644
> --- a/policy/modules/system/systemd.te
> +++ b/policy/modules/system/systemd.te
> @@ -445,6 +445,11 @@ udev_list_pids(systemd_logind_t)
>   udev_read_db(systemd_logind_t)
>   udev_read_pid_files(systemd_logind_t)
>   
> +userdom_delete_all_user_runtime_dirs(systemd_logind_t)
> +userdom_delete_all_user_runtime_files(systemd_logind_t)
> +userdom_delete_all_user_runtime_named_pipes(systemd_logind_t)
> +userdom_delete_all_user_runtime_named_sockets(systemd_logind_t)
> +userdom_delete_all_user_runtime_symlinks(systemd_logind_t)
>   userdom_manage_user_runtime_dirs(systemd_logind_t)
>   userdom_manage_user_runtime_root_dirs(systemd_logind_t)
>   userdom_mounton_user_runtime_dirs(systemd_logind_t)
> @@ -454,7 +459,6 @@ userdom_relabel_user_tmpfs_files(systemd_logind_t)
>   userdom_relabelfrom_user_runtime_dirs(systemd_logind_t)
>   userdom_relabelto_user_runtime_dirs(systemd_logind_t)
>   userdom_setattr_user_ttys(systemd_logind_t)
> -userdom_delete_user_runtime_files(systemd_logind_t)
>   userdom_use_user_ttys(systemd_logind_t)
>   
>   # Needed to work around patch not yet merged into the systemd-logind supported on RHEL 7.x

Merged.

-- 
Chris PeBenito


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