[refpolicy] [PATCH 5/6] virt: add virt_tmpfs_t type and permissions

From: dac.override@gmail.com (Dominick Grift)
To: refpolicy@oss.tresys.com
Subject: [refpolicy] [PATCH 5/6] virt: add virt_tmpfs_t type and permissions
Date: Wed, 25 Mar 2015 13:50:37 +0100	[thread overview]
Message-ID: <20150325125036.GA1326@localhost.localdomain> (raw)
In-Reply-To: <1427250286-27053-5-git-send-email-jason@perfinion.com>

On Wed, Mar 25, 2015 at 10:24:45AM +0800, Jason Zaman wrote:
> virtd_t writes the spice shm file in tmpfs so this allows access.

Cool, so why are you also adding an extra rule allowing it to maintain tmpfs dirs?

> 
> type=AVC msg=audit(1427209364.960:10357): avc:  granted  { add_name }
> for  pid=24933 comm="qemu-system-x86" name="spice.24933"
> scontext=system_u:system_r:virtd_t tcontext=system_u:object_r:tmpfs_t
> tclass=dir
> type=AVC msg=audit(1427209364.960:10357): avc:  granted  { write } for
> pid=24933 comm="qemu-system-x86" path="/dev/shm/spice.24933" dev="tmpfs"
> ino=638614 scontext=system_u:system_r:virtd_t
> tcontext=system_u:object_r:tmpfs_t tclass=file
> ---
>  virt.te | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/virt.te b/virt.te
> index cb868d5..b20eb1c 100644
> --- a/virt.te
> +++ b/virt.te
> @@ -127,6 +127,9 @@ mls_trusted_object(virt_log_t)
>  type virt_tmp_t;
>  files_tmp_file(virt_tmp_t)
>  
> +type virt_tmpfs_t;
> +files_tmpfs_file(virt_tmpfs_t)
> +
>  type virt_var_run_t;
>  files_pid_file(virt_var_run_t)
>  
> @@ -480,6 +483,10 @@ manage_dirs_pattern(virtd_t, virt_tmp_t, virt_tmp_t)
>  manage_files_pattern(virtd_t, virt_tmp_t, virt_tmp_t)
>  files_tmp_filetrans(virtd_t, virt_tmp_t, { file dir })
>  
> +manage_dirs_pattern(virtd_t, virt_tmpfs_t, virt_tmpfs_t)
> +manage_files_pattern(virtd_t, virt_tmpfs_t, virt_tmpfs_t)
> +fs_tmpfs_filetrans(virtd_t, virt_tmpfs_t, { file dir })
> +
>  # This needs a file context specification
>  manage_dirs_pattern(virtd_t, virt_lock_t, virt_lock_t)
>  manage_files_pattern(virtd_t, virt_lock_t, virt_lock_t)
> -- 
> 2.0.5
> 
> _______________________________________________
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> refpolicy at oss.tresys.com
> http://oss.tresys.com/mailman/listinfo/refpolicy

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Dominick Grift
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