From: pebenito@ieee.org (Chris PeBenito)
Date: Sun, 24 Jun 2018 20:33:15 -0400
Subject: [refpolicy] [PATCH 4/5] xserver: Add mesa_shader_cache for GLSL
 in ~/.cache/mesa_shader_cache/
In-Reply-To: <20180624095611.48338-4-jason@perfinion.com>
References: <20180624095611.48338-1-jason@perfinion.com>
	<20180624095611.48338-4-jason@perfinion.com>
Message-ID: <354769c6-565e-db02-c4e1-07f4a47004ee@ieee.org>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com

On 06/24/2018 05:56 AM, Jason Zaman wrote:
> ---
>   policy/modules/services/xserver.fc |  1 +
>   policy/modules/services/xserver.if | 37 ++++++++++++++++++++++++++++++++++---
>   policy/modules/services/xserver.te |  9 +++++++++
>   3 files changed, 44 insertions(+), 3 deletions(-)
> 
> diff --git a/policy/modules/services/xserver.fc b/policy/modules/services/xserver.fc
> index 4905afd7..3a193743 100644
> --- a/policy/modules/services/xserver.fc
> +++ b/policy/modules/services/xserver.fc
> @@ -1,6 +1,7 @@
>   #
>   # HOME_DIR
>   #
> +HOME_DIR/\.cache/mesa_shader_cache(/.*)?	gen_context(system_u:object_r:mesa_shader_cache_t,s0)
>   HOME_DIR/\.dmrc		--	gen_context(system_u:object_r:dmrc_home_t,s0)
>   HOME_DIR/\.fonts\.conf	--	gen_context(system_u:object_r:user_fonts_config_t,s0)
>   HOME_DIR/\.fonts(/.*)?		gen_context(system_u:object_r:user_fonts_t,s0)
> diff --git a/policy/modules/services/xserver.if b/policy/modules/services/xserver.if
> index 485081ee..d4c883c7 100644
> --- a/policy/modules/services/xserver.if
> +++ b/policy/modules/services/xserver.if
> @@ -138,6 +138,7 @@ interface(`xserver_role',`
>   	gen_require(`
>   		type iceauth_home_t, xserver_t, xserver_tmpfs_t, xauth_home_t;
>   		type user_fonts_t, user_fonts_cache_t, user_fonts_config_t;
> +		type mesa_shader_cache_t;
>   	')
>   
>   	xserver_restricted_role($1, $2)
> @@ -167,6 +168,12 @@ interface(`xserver_role',`
>   	relabel_dirs_pattern($2, user_fonts_config_t, user_fonts_config_t)
>   	relabel_files_pattern($2, user_fonts_config_t, user_fonts_config_t)
>   
> +	manage_dirs_pattern($2, mesa_shader_cache_t, mesa_shader_cache_t)
> +	manage_files_pattern($2, mesa_shader_cache_t, mesa_shader_cache_t)
> +	allow $2 mesa_shader_cache_t:file map;
> +	relabel_dirs_pattern($2, mesa_shader_cache_t, mesa_shader_cache_t)
> +	relabel_files_pattern($2, mesa_shader_cache_t, mesa_shader_cache_t)
> +
>   	xserver_user_home_dir_filetrans_user_iceauth($2, ".ICEauthority")
>   
>   	xserver_read_xkb_libs($2)
> @@ -178,17 +185,17 @@ interface(`xserver_role',`
>   		xdg_relabel_all_config($2)
>   		xdg_manage_all_data($2)
>   		xdg_relabel_all_data($2)
> -	
> +
>   		xdg_generic_user_home_dir_filetrans_cache($2, dir, ".cache")
>   		xdg_generic_user_home_dir_filetrans_config($2, dir, ".config")
>   		xdg_generic_user_home_dir_filetrans_data($2, dir, ".local")
> -	
> +
>   		xdg_generic_user_home_dir_filetrans_documents($2, dir, "Documents")
>   		xdg_generic_user_home_dir_filetrans_downloads($2, dir, "Downloads")
>   		xdg_generic_user_home_dir_filetrans_music($2, dir, "Music")
>   		xdg_generic_user_home_dir_filetrans_pictures($2, dir, "Pictures")
>   		xdg_generic_user_home_dir_filetrans_videos($2, dir, "Videos")
> -	
> +
>   		xdg_manage_documents($2)
>   		xdg_relabel_documents($2)
>   		xdg_manage_downloads($2)
> @@ -199,6 +206,8 @@ interface(`xserver_role',`
>   		xdg_relabel_pictures($2)
>   		xdg_manage_videos($2)
>   		xdg_relabel_videos($2)
> +
> +		xdg_cache_filetrans($2, mesa_shader_cache_t, dir, "mesa_shader_cache")
>   	')
>   ')
>   
> @@ -1619,3 +1628,25 @@ interface(`xserver_rw_xdm_keys',`
>   
>   	allow $1 xdm_t:key { read write setattr };
>   ')
> +
> +########################################
> +## <summary>
> +##	Read and write the mesa shader cache.
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`xserver_rw_mesa_shader_cache',`
> +	gen_require(`
> +		type mesa_shader_cache_t;
> +	')
> +
> +	rw_dirs_pattern($1, mesa_shader_cache_t, mesa_shader_cache_t)
> +	rw_files_pattern($1, mesa_shader_cache_t, mesa_shader_cache_t)
> +	allow $1 mesa_shader_cache_t:file map;
> +
> +	xdg_search_cache_dirs($1)
> +')
> diff --git a/policy/modules/services/xserver.te b/policy/modules/services/xserver.te
> index 73c38882..584f6a8b 100644
> --- a/policy/modules/services/xserver.te
> +++ b/policy/modules/services/xserver.te
> @@ -229,6 +229,9 @@ userdom_user_home_content(xsession_log_t)
>   type xserver_log_t;
>   logging_log_file(xserver_log_t)
>   
> +type mesa_shader_cache_t;
> +xdg_cache_content(mesa_shader_cache_t)
> +
>   ifdef(`enable_mcs',`
>   	init_ranged_domain(xdm_t, xdm_exec_t, s0 - mcs_systemhigh)
>   	init_ranged_daemon_domain(xdm_t, xdm_exec_t, s0 - mcs_systemhigh)
> @@ -693,6 +696,12 @@ manage_files_pattern(xserver_t, xkb_var_lib_t, xkb_var_lib_t)
>   manage_lnk_files_pattern(xserver_t, xkb_var_lib_t, xkb_var_lib_t)
>   files_search_var_lib(xserver_t)
>   
> +manage_dirs_pattern(xserver_t, mesa_shader_cache_t, mesa_shader_cache_t)
> +manage_files_pattern(xserver_t, mesa_shader_cache_t, mesa_shader_cache_t)
> +allow xserver_t mesa_shader_cache_t:file map;
> +xdg_cache_filetrans(xserver_t, mesa_shader_cache_t, dir, "mesa_shader_cache")
> +xdg_generic_user_home_dir_filetrans_cache(xserver_t, dir, ".cache")
> +
>   domtrans_pattern(xserver_t, xauth_exec_t, xauth_t)
>   allow xserver_t xauth_home_t:file read_file_perms;


Merged.

-- 
Chris PeBenito