[refpolicy] [PATCH v2] gnome: add support for the OIL Runtime Compiler (ORC) optimized code execution

[pebenito@ieee.org (Chris PeBenito)]

On 09/15/16 09:26, Guido Trentalancia via refpolicy wrote:
> Add a new gstreamer_orcexec_t type and file context to the gnome
> module in order to support the OIL Runtime Compiler (ORC) optimized
> code execution (used for example by pulseaudio).
>
> Add optional policy to the pulseaudio module to support the ORC
> optimized code execution.
>
> This patch has been anticipated a few weeks ago as part of a
> larger gnome patch. It has now been split as a smaller patch,
> as required.
>
> Signed-off-by: Guido Trentalancia <guido@trentalancia.net>
> ---
>  policy/modules/contrib/gnome.fc      |    5 ++
>  policy/modules/contrib/gnome.if      |   79 +++++++++++++++++++++++++++++++++++
>  policy/modules/contrib/gnome.te      |    3 +
>  policy/modules/contrib/pulseaudio.te |    5 ++
>  4 files changed, 92 insertions(+)
>
> --- refpolicy-git-orig/policy/modules/contrib/gnome.fc	2016-08-14 21:28:11.493519589 +0200
> +++ refpolicy-git-orcexec/policy/modules/contrib/gnome.fc	2016-09-15 12:45:49.974216884 +0200
> @@ -5,6 +5,8 @@ HOME_DIR/\.gnome2(/.*)?	gen_context(syst
>  HOME_DIR/\.gnome2/keyrings(/.*)?	gen_context(system_u:object_r:gnome_keyring_home_t,s0)
>  HOME_DIR/\.gnome2_private(/.*)?	gen_context(system_u:object_r:gnome_home_t,s0)
>
> +HOME_DIR/orcexec\..*	gen_context(system_u:object_r:gstreamer_orcexec_t,s0)
> +
>  /etc/gconf(/.*)?	gen_context(system_u:object_r:gconf_etc_t,s0)
>
>  /tmp/gconfd-USER/.*	--	gen_context(system_u:object_r:gconf_tmp_t,s0)
> @@ -14,3 +16,6 @@ HOME_DIR/\.gnome2_private(/.*)?	gen_cont
>
>  /usr/lib/[^/]*/gconf/gconfd-2	--	gen_context(system_u:object_r:gconfd_exec_t,s0)
>  /usr/libexec/gconfd-2	--	gen_context(system_u:object_r:gconfd_exec_t,s0)
> +
> +/var/run/user/[^/]*/orcexec\..*	--	gen_context(system_u:object_r:gstreamer_orcexec_t,s0)
> +/var/run/user/%{USERID}/orcexec\..*	--	gen_context(system_u:object_r:gstreamer_orcexec_t,s0)
> --- refpolicy-git-orig/policy/modules/contrib/gnome.if	2016-08-14 21:28:11.493519589 +0200
> +++ refpolicy-git-orcexec/policy/modules/contrib/gnome.if	2016-09-15 15:19:41.127233923 +0200
> @@ -604,6 +604,66 @@ interface(`gnome_gconf_home_filetrans',`
>
>  ########################################
>  ## <summary>
> +##	Create objects in user home
> +##	directories with the gstreamer
> +##	orcexec type.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +## <param name="object_class">
> +##	<summary>
> +##	Class of the object being created.
> +##	</summary>
> +## </param>
> +## <param name="name" optional="true">
> +##	<summary>
> +##	The name of the object being created.
> +##	</summary>
> +## </param>
> +#
> +interface(`gnome_user_home_dir_filetrans_gstreamer_orcexec',`
> +	gen_require(`
> +		type gstreamer_orcexec_t;
> +	')
> +
> +	userdom_user_home_dir_filetrans($1, gstreamer_orcexec_t, $2, $3)
> +')
> +
> +########################################
> +## <summary>
> +##	Create objects in the user
> +##	runtime directories with the
> +##	gstreamer orcexec type.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +## <param name="object_class">
> +##	<summary>
> +##	Class of the object being created.
> +##	</summary>
> +## </param>
> +## <param name="name" optional="true">
> +##	<summary>
> +##	The name of the object being created.
> +##	</summary>
> +## </param>
> +#
> +interface(`gnome_user_runtime_filetrans_gstreamer_orcexec',`
> +	gen_require(`
> +		type gstreamer_orcexec_t;
> +	')
> +
> +	userdom_user_runtime_filetrans($1, gstreamer_orcexec_t, $2, $3)
> +')
> +
> +########################################
> +## <summary>
>  ##	Read generic gnome keyring home files.
>  ## </summary>
>  ## <param name="domain">
> @@ -735,3 +795,22 @@ interface(`gnome_stream_connect_all_gkey
>  	files_search_tmp($1)
>  	stream_connect_pattern($1, gnome_keyring_tmp_t, gnome_keyring_tmp_t, gkeyringd_domain)
>  ')
> +
> +########################################
> +## <summary>
> +##	Manage and mmap gstreamer ORC
> +##	optimized code.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`gnome_manage_mmap_gstreamer_orcexec',`
> +	gen_require(`
> +		type gstreamer_orcexec_t;
> +	')
> +
> +	allow $1 gstreamer_orcexec_t:file { manage_file_perms mmap_file_perms };

This will need to be split into two interfaces.  Otherwise I think it's ok.


-- 
Chris PeBenito