## <summary>X Windows Server</summary>

#######################################

## <summary>

##	Template to create types and rules common to

##	all X server domains.

## </summary>

## <param name="prefix">

##	<summary>

##	The prefix of the domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

#

template(`xserver_common_domain_template',`

	gen_require(`

		type xkb_var_lib_t, xserver_exec_t, xserver_log_t;

		attribute x_server_domain;

		class x_drawable all_x_drawable_perms;

		class x_colormap all_x_colormap_perms;

		class x_screen all_x_screen_perms;

	')

	##############################

	#

	# Declarations

	#

	attribute $1_x_domain;

	attribute $1_input_xevent_type;

	type $1_rootwindow_t, rootwindow_type;

	type $1_xserver_t, x_server_domain;

	domain_type($1_xserver_t)

	domain_entry_file($1_xserver_t, xserver_exec_t)

	type $1_xserver_tmp_t;

	files_tmp_file($1_xserver_tmp_t)

	type $1_xserver_tmpfs_t;

	files_tmpfs_file($1_xserver_tmpfs_t)

	##############################

	#

	# $1_xserver_t local policy

	#

	# setuid/setgid for the wrapper program to change UID

	# sys_rawio is for iopl access - should not be needed for frame-buffer

	# sys_admin, locking shared mem?  chowning IPC message queues or semaphores?

	# admin of APM bios?

	# sys_nice is so that the X server can set a negative nice value

	# execheap needed until the X module loader is fixed.

	# NVIDIA Needs execstack

	allow $1_xserver_t self:capability { dac_override fowner fsetid setgid setuid ipc_owner sys_rawio sys_admin sys_nice sys_tty_config mknod net_bind_service };

	dontaudit $1_xserver_t self:capability chown;

	allow $1_xserver_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };

	allow $1_xserver_t self:memprotect mmap_zero;

	allow $1_xserver_t self:fd use;

	allow $1_xserver_t self:fifo_file rw_fifo_file_perms;

	allow $1_xserver_t self:sock_file read_sock_file_perms;

	allow $1_xserver_t self:shm create_shm_perms;

	allow $1_xserver_t self:sem create_sem_perms;

	allow $1_xserver_t self:msgq create_msgq_perms;

	allow $1_xserver_t self:msg { send receive };

	allow $1_xserver_t self:unix_dgram_socket { create_socket_perms sendto };

	allow $1_xserver_t self:unix_stream_socket { create_stream_socket_perms connectto };

	allow $1_xserver_t self:tcp_socket create_stream_socket_perms;

	allow $1_xserver_t self:udp_socket create_socket_perms;

	manage_dirs_pattern($1_xserver_t, $1_xserver_tmp_t, $1_xserver_tmp_t)

	manage_files_pattern($1_xserver_t, $1_xserver_tmp_t, $1_xserver_tmp_t)

	manage_sock_files_pattern($1_xserver_t, $1_xserver_tmp_t, $1_xserver_tmp_t)

	files_tmp_filetrans($1_xserver_t, $1_xserver_tmp_t, { file dir sock_file })

	filetrans_pattern($1_xserver_t, xdm_xserver_tmp_t, $1_xserver_tmp_t, sock_file)

	manage_dirs_pattern($1_xserver_t, $1_xserver_tmpfs_t, $1_xserver_tmpfs_t)

	manage_files_pattern($1_xserver_t, $1_xserver_tmpfs_t, $1_xserver_tmpfs_t)

	manage_lnk_files_pattern($1_xserver_t, $1_xserver_tmpfs_t, $1_xserver_tmpfs_t)

	manage_fifo_files_pattern($1_xserver_t, $1_xserver_tmpfs_t, $1_xserver_tmpfs_t)

	manage_sock_files_pattern($1_xserver_t, $1_xserver_tmpfs_t, $1_xserver_tmpfs_t)

	fs_tmpfs_filetrans($1_xserver_t, $1_xserver_tmpfs_t, { dir file lnk_file sock_file fifo_file })

	manage_files_pattern($1_xserver_t, xkb_var_lib_t, xkb_var_lib_t)

	manage_lnk_files_pattern($1_xserver_t, xkb_var_lib_t, xkb_var_lib_t)

	files_search_var_lib($1_xserver_t)

	# Create files in /var/log with the xserver_log_t type.

	manage_files_pattern($1_xserver_t, xserver_log_t, xserver_log_t)

	logging_log_filetrans($1_xserver_t, xserver_log_t, file)

	# Labeling rules for default windows and colormaps

	type_transition $1_xserver_t $1_xserver_t:{ x_drawable x_colormap } $1_rootwindow_t;

	kernel_read_system_state($1_xserver_t)

	kernel_read_device_sysctls($1_xserver_t)

	kernel_read_modprobe_sysctls($1_xserver_t)

	# Xorg wants to check if kernel is tainted

	kernel_read_kernel_sysctls($1_xserver_t)

	kernel_write_proc_files($1_xserver_t)

	# Run helper programs in $1_xserver_t.

	corecmd_exec_bin($1_xserver_t)

	corecmd_exec_shell($1_xserver_t)

	corenet_all_recvfrom_unlabeled($1_xserver_t)

	corenet_all_recvfrom_netlabel($1_xserver_t)

	corenet_tcp_sendrecv_generic_if($1_xserver_t)

	corenet_udp_sendrecv_generic_if($1_xserver_t)

	corenet_tcp_sendrecv_all_nodes($1_xserver_t)

	corenet_udp_sendrecv_all_nodes($1_xserver_t)

	corenet_tcp_sendrecv_all_ports($1_xserver_t)

	corenet_udp_sendrecv_all_ports($1_xserver_t)

	corenet_tcp_bind_all_nodes($1_xserver_t)

	corenet_tcp_bind_xserver_port($1_xserver_t)

	corenet_tcp_connect_all_ports($1_xserver_t)

	corenet_sendrecv_xserver_server_packets($1_xserver_t)

	corenet_sendrecv_all_client_packets($1_xserver_t)

	dev_rw_sysfs($1_xserver_t)

	dev_rw_mouse($1_xserver_t)

	dev_rw_mtrr($1_xserver_t)

	dev_rw_apm_bios($1_xserver_t)

	dev_rw_agp($1_xserver_t)

	dev_rw_framebuffer($1_xserver_t)

	dev_manage_dri_dev($1_xserver_t)

	dev_create_generic_dirs($1_xserver_t)

	dev_setattr_generic_dirs($1_xserver_t)

	# raw memory access is needed if not using the frame buffer

	dev_read_raw_memory($1_xserver_t)

	dev_wx_raw_memory($1_xserver_t)

	# for other device nodes such as the NVidia binary-only driver

	dev_rw_xserver_misc($1_xserver_t)

	# read events - the synaptics touchpad driver reads raw events

	dev_rw_input_dev($1_xserver_t)

	dev_rwx_zero($1_xserver_t)

	domain_mmap_low($1_xserver_t)

	files_read_etc_files($1_xserver_t)

	files_read_etc_runtime_files($1_xserver_t)

	files_read_usr_files($1_xserver_t)

	# brought on by rhgb

	files_search_mnt($1_xserver_t)

	# for nscd

	files_dontaudit_search_pids($1_xserver_t)

	fs_getattr_xattr_fs($1_xserver_t)

	fs_search_nfs($1_xserver_t)

	fs_search_auto_mountpoints($1_xserver_t)

	fs_search_ramfs($1_xserver_t)

	selinux_validate_context($1_xserver_t)

	selinux_compute_access_vector($1_xserver_t)

	selinux_compute_create_context($1_xserver_t)

	auth_use_nsswitch($1_xserver_t)

	init_getpgid($1_xserver_t)

	term_setattr_unallocated_ttys($1_xserver_t)

	term_use_unallocated_ttys($1_xserver_t)

	libs_use_ld_so($1_xserver_t)

	libs_use_shared_libs($1_xserver_t)

	logging_send_syslog_msg($1_xserver_t)

	logging_send_audit_msgs($1_xserver_t)

	miscfiles_read_localization($1_xserver_t)

	miscfiles_read_fonts($1_xserver_t)

	modutils_domtrans_insmod($1_xserver_t)

	# read x_contexts

	seutil_read_default_contexts($1_xserver_t)

	ifndef(`distro_redhat',`

		allow $1_xserver_t self:process { execmem execheap execstack };

	')

	ifdef(`distro_rhel4',`

		allow $1_xserver_t self:process { execmem execheap execstack };

	')

	tunable_policy(`!xserver_object_manager',`

		# should be xserver_unconfined($1_xserver_t),

		# but typeattribute doesnt work in conditionals

		gen_require(`

			attribute x_server_domain, x_domain;

			attribute xproperty_type, xselection_type;

			attribute xextension_type, xevent_type;

			attribute rootwindow_type;

			type remote_xclient_t;

		')

		allow $1_xserver_t x_server_domain:x_server *;

		allow $1_xserver_t { x_domain rootwindow_type }:x_drawable *;

		allow $1_xserver_t x_server_domain:x_screen *;

		allow $1_xserver_t x_domain:x_gc *;

		allow $1_xserver_t { x_domain rootwindow_type }:x_colormap *;

		allow $1_xserver_t xproperty_type:x_property *;

		allow $1_xserver_t xselection_type:x_selection *;

		allow $1_xserver_t x_domain:x_cursor *;

		allow $1_xserver_t { x_domain remote_xclient_t }:x_client *;

		allow $1_xserver_t { x_domain x_server_domain }:x_device *;

		allow $1_xserver_t xextension_type:x_extension *;

		allow $1_xserver_t { x_domain x_server_domain }:x_resource *;

		allow $1_xserver_t xevent_type:{ x_event x_synthetic_event } *;

	')

	optional_policy(`

		apm_stream_connect($1_xserver_t)

	')

	optional_policy(`

		auth_search_pam_console_data($1_xserver_t)

	')

	optional_policy(`

		rhgb_getpgid($1_xserver_t)

		rhgb_signal($1_xserver_t)

	')

	optional_policy(`

		xfs_stream_connect($1_xserver_t)

	')

')

#######################################

## <summary>

##	The per role template for the xserver module.

## </summary>

## <desc>

##	

##	Define a derived domain for the X server when executed

##	by a user domain (e.g. via startx).  See the xdm module

##	if using an X Display Manager.

##	

##	

##	This is invoked automatically for each user and

##	generally does not need to be invoked directly

##	by policy writers.

##	

## </desc>

## <param name="prefix">

##	<summary>

##	The prefix of the user domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="user_domain">

##	<summary>

##	The type of the user domain.

##	</summary>

## </param>

## <param name="user_role">

##	<summary>

##	The role associated with the user domain.

##	</summary>

## </param>

#

template(`xserver_per_role_template',`

	gen_require(`

		type iceauth_exec_t, xauth_exec_t;

		attribute fonts_type, fonts_cache_type, fonts_config_type;

	')

	##############################

	#

	# Declarations

	#

	xserver_common_domain_template($1)

	role $3 types $1_xserver_t;

	type $1_fonts_t, fonts_type;

	userdom_user_home_content($1, $1_fonts_t)

	type $1_fonts_cache_t, fonts_cache_type;

	userdom_user_home_content($1, $1_fonts_cache_t)

	type $1_fonts_config_t, fonts_config_type;

	userdom_user_home_content($1, $1_fonts_cache_t)

	type $1_iceauth_t;

	domain_type($1_iceauth_t)

	domain_entry_file($1_iceauth_t, iceauth_exec_t)

	role $3 types $1_iceauth_t;

	type $1_iceauth_home_t alias $1_iceauth_rw_t;

	files_poly_member($1_iceauth_home_t)

	userdom_user_home_content($1, $1_iceauth_home_t)

	type $1_xauth_t;

	domain_type($1_xauth_t)

	domain_entry_file($1_xauth_t, xauth_exec_t)

	role $3 types $1_xauth_t;

	type $1_xauth_home_t alias $1_xauth_rw_t, xauth_home_type;

	files_poly_member($1_xauth_home_t)

	userdom_user_home_content($1, $1_xauth_home_t)

	type $1_xauth_tmp_t;

	files_tmp_file($1_xauth_tmp_t)

	##############################

	#

	# $1_xserver_t Local policy

	#

	domtrans_pattern($1_xserver_t, xauth_exec_t, $1_xauth_t)

	allow $1_xserver_t $1_xauth_home_t:file { getattr read };

	domtrans_pattern($2, xserver_exec_t, $1_xserver_t)

	allow $1_xserver_t $2:process signal;

	allow $1_xserver_t $2:shm rw_shm_perms;

	manage_dirs_pattern($2, $1_fonts_t, $1_fonts_t)

	manage_files_pattern($2, $1_fonts_t, $1_fonts_t)

	relabel_dirs_pattern($2, $1_fonts_t, $1_fonts_t)

	relabel_files_pattern($2, $1_fonts_t, $1_fonts_t)

	manage_dirs_pattern($2, $1_fonts_config_t, $1_fonts_config_t)

	manage_files_pattern($2, $1_fonts_config_t, $1_fonts_config_t)

	relabel_files_pattern($2, $1_fonts_config_t, $1_fonts_config_t)

	# For startup relabel

	allow $2 $1_fonts_cache_t:{ dir file } { relabelto relabelfrom };

	stream_connect_pattern($2, $1_xserver_tmp_t, $1_xserver_tmp_t, $1_xserver_t)

	allow $2 $1_xserver_tmpfs_t:file rw_file_perms;

	# Communicate via System V shared memory.

	allow $1_xserver_t $2:shm rw_shm_perms;

	allow $2 $1_xserver_t:shm rw_shm_perms;

	getty_use_fds($1_xserver_t)

	locallogin_use_fds($1_xserver_t)

	userdom_search_user_home_dirs($1, $1_xserver_t)

	userdom_use_user_ttys($1, $1_xserver_t)

	userdom_setattr_user_ttys($1, $1_xserver_t)

	userdom_rw_user_tmpfs_files($1, $1_xserver_t)

	xserver_use_user_fonts($1, $1_xserver_t)

	xserver_rw_xdm_tmp_files($1_xauth_t)

	optional_policy(`

		userhelper_search_config($1_xserver_t)

	')

	ifdef(`TODO',`

	ifdef(`xdm.te', `

		allow $1_t xdm_tmp_t:sock_file unlink;

		allow $1_xserver_t xdm_var_run_t:dir search;

	')

	') dnl end TODO

	##############################

	#

	# $1_xauth_t Local policy

	#

	allow $1_xauth_t self:process signal;

	allow $1_xauth_t self:unix_stream_socket create_stream_socket_perms;

	allow $1_xauth_t $1_xauth_home_t:file manage_file_perms;

	userdom_user_home_dir_filetrans($1, $1_xauth_t, $1_xauth_home_t,file)

	manage_dirs_pattern($1_xauth_t, $1_xauth_tmp_t, $1_xauth_tmp_t)

	manage_files_pattern($1_xauth_t, $1_xauth_tmp_t, $1_xauth_tmp_t)

	files_tmp_filetrans($1_xauth_t, $1_xauth_tmp_t, { file dir })

	domtrans_pattern($2, xauth_exec_t, $1_xauth_t)

	allow $2 $1_xauth_t:process signal;

	# allow ps to show xauth

	ps_process_pattern($2,$1_xauth_t)

	allow $2 $1_xauth_home_t:file manage_file_perms;

	allow $2 $1_xauth_home_t:file { relabelfrom relabelto };

	allow xdm_t $1_xauth_home_t:file manage_file_perms;

	userdom_user_home_dir_filetrans($1, xdm_t, $1_xauth_home_t, file)

	domain_use_interactive_fds($1_xauth_t)

	files_read_etc_files($1_xauth_t)

	files_search_pids($1_xauth_t)

	fs_getattr_xattr_fs($1_xauth_t)

	fs_search_auto_mountpoints($1_xauth_t)

	# cjp: why?

	term_use_ptmx($1_xauth_t)

	auth_use_nsswitch($1_xauth_t)

	libs_use_ld_so($1_xauth_t)

	libs_use_shared_libs($1_xauth_t)

	userdom_use_user_terminals($1, $1_xauth_t)

	userdom_read_user_tmp_files($1, $1_xauth_t)

	tunable_policy(`use_nfs_home_dirs',`

		fs_manage_nfs_files($1_xauth_t)

	')

	tunable_policy(`use_samba_home_dirs',`

		fs_manage_cifs_files($1_xauth_t)

	')

	optional_policy(`

		ssh_sigchld($1_xauth_t)

		ssh_read_pipes($1_xauth_t)

		ssh_dontaudit_rw_tcp_sockets($1_xauth_t)

	')

	##############################

	#

	# $1_iceauth_t Local policy

	#

	domtrans_pattern($2, iceauth_exec_t, $1_iceauth_t)

	allow $1_iceauth_t $1_iceauth_home_t:file manage_file_perms;

	userdom_user_home_dir_filetrans($1, $1_iceauth_t, $1_iceauth_home_t, file)

	# allow ps to show iceauth

	ps_process_pattern($2, $1_iceauth_t)

	allow $2 $1_iceauth_home_t:file manage_file_perms;

	allow $2 $1_iceauth_home_t:file { relabelfrom relabelto };

	allow xdm_t $1_iceauth_home_t:file read_file_perms;

	fs_search_auto_mountpoints($1_iceauth_t)

	libs_use_ld_so($1_iceauth_t)

	libs_use_shared_libs($1_iceauth_t)

	userdom_use_user_terminals($1, $1_iceauth_t)

	tunable_policy(`use_nfs_home_dirs',`

		fs_manage_nfs_files($1_iceauth_t)

	')

	tunable_policy(`use_samba_home_dirs',`

		fs_manage_cifs_files($1_iceauth_t)

	')

	##############################

	#

	# User X object manager local policy

	#

	# Device rules

	allow $1_x_domain $1_xserver_t:x_device { read getattr use setattr setfocus grab bell };

	allow $1_xserver_t { input_xevent_t $1_input_xevent_type }:x_event send;

	allow $1_xserver_t { $1_rootwindow_t $1_x_domain }:x_drawable send;

	# manage: xhost X11:ChangeHosts

	# freeze: metacity X11:GrabKey

	# force_cursor: metacity X11:GrabPointer

	allow $2 $1_xserver_t:x_device { manage freeze force_cursor };

	# gnome-settings-daemon XKEYBOARD:SetControls

	allow $2 $1_xserver_t:x_server manage;

	# gnome-settings-daemon RANDR:SelectInput

	allow $2 $1_xserver_t:x_resource write;

	# metacity X11:InstallColormap X11:UninstallColormap

	allow $2 $1_rootwindow_t:x_colormap { install uninstall };

	# read: gnome-settings-daemon RANDR:GetScreenSizeRange

	# write: gnome-settings-daemon RANDR:SelectInput

	# setattr: gnome-settings-daemon X11:GrabKey

	# manage: metacity X11:ChangeWindowAttributes

	allow $2 $1_rootwindow_t:x_drawable { read write manage setattr };

	# setattr: metacity X11:InstallColormap

	allow $2 $1_xserver_t:x_screen { saver_setattr saver_getattr setattr };

	# xrdb X11:ChangeProperty prop=RESOURCE_MANAGER

	allow $2 info_xproperty_t:x_property { create write append };

	mls_xwin_read_to_clearance($1_xserver_t)

	xserver_common_x_domain_template($1, $1, $2)

')

#######################################

## <summary>

##	Template for creating sessions on a

##	prefix X server, with read-only

##	access to the X server shared

##	memory segments.

## </summary>

## <param name="prefix">

##	<summary>

##	The prefix of the domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="tmpfs_type">

##	<summary>

##	The type of the domain SYSV tmpfs files.

##	</summary>

## </param>

#

template(`xserver_ro_session_template',`

	gen_require(`

		type $1_xserver_t, $1_xserver_tmp_t, $1_xserver_tmpfs_t;

	')

	# Xserver read/write client shm

	allow $1_xserver_t $2:fd use;

	allow $1_xserver_t $2:shm rw_shm_perms;

	allow $1_xserver_t $3:file rw_file_perms;

	# Connect to xserver

	allow $2 $1_xserver_t:unix_stream_socket connectto;

	allow $2 $1_xserver_t:process signal;

	# Read /tmp/.X0-lock

	allow $2 $1_xserver_tmp_t:file { getattr read };

	# Client read xserver shm

	allow $2 $1_xserver_t:fd use;

	allow $2 $1_xserver_t:shm r_shm_perms;

	allow $2 $1_xserver_tmpfs_t:file read_file_perms;

')

#######################################

## <summary>

##	Template for creating sessions on a

##	prefix X server, with read and write

##	access to the X server shared

##	memory segments.

## </summary>

## <param name="prefix">

##	<summary>

##	The prefix of the domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="tmpfs_type">

##	<summary>

##	The type of the domain SYSV tmpfs files.

##	</summary>

## </param>

#

template(`xserver_rw_session_template',`

	gen_require(`

		type $1_xserver_t, $1_xserver_tmpfs_t;

	')

	xserver_ro_session_template($1, $2, $3)

	allow $2 $1_xserver_t:shm rw_shm_perms;

	allow $2 $1_xserver_tmpfs_t:file rw_file_perms;

')

#######################################

## <summary>

##	Template for creating full client sessions

##	on a user X server.

## </summary>

## <param name="prefix">

##	<summary>

##	The prefix of the domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Domain allowed access.

##	</summary>

## </param>

## <param name="tmpfs_type">

##	<summary>

##	The type of the domain SYSV tmpfs files.

##	</summary>

## </param>

#

template(`xserver_user_client_template',`

#	refpolicywarn(`$0() has been deprecated, please use xserver_user_x_domain_template instead.')

	gen_require(`

		type xdm_t, xdm_tmp_t;

		type $1_xauth_home_t, $1_iceauth_home_t, $1_xserver_t, $1_xserver_tmpfs_t;

	')

	allow $2 self:shm create_shm_perms;

	allow $2 self:unix_dgram_socket create_socket_perms;

	allow $2 self:unix_stream_socket { connectto create_stream_socket_perms };

	# Read .Xauthority file

	allow $2 $1_xauth_home_t:file { getattr read };

	allow $2 $1_iceauth_home_t:file { getattr read };

	# for when /tmp/.X11-unix is created by the system

	allow $2 xdm_t:fd use;

	allow $2 xdm_t:fifo_file { getattr read write ioctl };

	allow $2 xdm_tmp_t:dir search;

	allow $2 xdm_tmp_t:sock_file { read write };

	dontaudit $2 xdm_t:tcp_socket { read write };

	# Allow connections to X server.

	files_search_tmp($2)

	miscfiles_read_fonts($2)

	userdom_search_user_home_dirs($1, $2)

	# for .xsession-errors

	userdom_dontaudit_write_user_home_content_files($1, $2)

	xserver_ro_session_template(xdm, $2, $3)

	xserver_rw_session_template($1, $2, $3)

	xserver_use_user_fonts($1, $2)

	xserver_read_xdm_tmp_files($2)

	# Client write xserver shm

	tunable_policy(`allow_write_xshm',`

		allow $2 $1_xserver_t:shm rw_shm_perms;

		allow $2 $1_xserver_tmpfs_t:file rw_file_perms;

	')

')

#######################################

## <summary>

##	Interface to provide X object permissions on a given X server to

##	an X client domain.  Provides the minimal set required by a basic

##	X client application.

## </summary>

## <param name="user">

##	<summary>

##	The prefix of the X server domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="prefix">

##	<summary>

##	The prefix of the X client domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Client domain allowed access.

##	</summary>

## </param>

#

template(`xserver_common_x_domain_template',`

	gen_require(`

		type $1_rootwindow_t, std_xext_t, shmem_xext_t;

		type xproperty_t, info_xproperty_t, clipboard_xproperty_t;

		type input_xevent_t, focus_xevent_t, property_xevent_t, manage_xevent_t;

		type xevent_t, client_xevent_t;

		type clipboard_xselection_t, xselection_t;

		attribute x_server_domain, x_domain;

		attribute xproperty_type;

		attribute xevent_type, xextension_type;

		attribute $1_x_domain, $1_input_xevent_type;

		class x_drawable all_x_drawable_perms;

		class x_screen all_x_screen_perms;

		class x_gc all_x_gc_perms;

		class x_font all_x_font_perms;

		class x_colormap all_x_colormap_perms;

		class x_property all_x_property_perms;

		class x_selection all_x_selection_perms;

		class x_cursor all_x_cursor_perms;	

		class x_client all_x_client_perms;

		class x_device all_x_device_perms;

		class x_server all_x_server_perms;

		class x_extension all_x_extension_perms;

		class x_resource all_x_resource_perms;

		class x_event all_x_event_perms;

		class x_synthetic_event all_x_synthetic_event_perms;

	')

	##############################

	#

	# Declarations

	#

	# Type attributes

	typeattribute $3 $1_x_domain, x_domain;

	# Types for properties

	type $2_xproperty_t alias $2_default_xproperty_t, xproperty_type;

	# Types for events

	type $2_input_xevent_t, $1_input_xevent_type, xevent_type;

	type $2_property_xevent_t, xevent_type;

	type $2_focus_xevent_t, xevent_type;

	type $2_manage_xevent_t, xevent_type;

	type $2_default_xevent_t, xevent_type;

	type $2_client_xevent_t, xevent_type;

	##############################

	#

	# Local Policy

	#

	# Hacks

	# everyone can get the input focus of everyone else

	# this is a fundamental brokenness in the X protocol

	allow $3 { x_domain x_server_domain }:x_device getfocus;

	# everyone can grab the server

	# everyone does it, it is basically a free DOS attack

	allow $3 x_server_domain:x_server grab;

	# everyone can get the font path, etc.

	# this could leak out sensitive information

	allow $3 x_server_domain:x_server getattr;

	# everyone can do override-redirect windows.

	# this could be used to spoof labels

	allow $3 self:x_drawable override;

	# everyone can receive management events on the root window

	# allows to know when new windows appear, among other things

	allow $3 manage_xevent_t:x_event receive;

	# X Server

	# can read server-owned resources

	allow $3 x_server_domain:x_resource read;

	# can mess with own clients

	allow $3 self:x_client { manage destroy };

	# X Protocol Extensions

	allow $3 std_xext_t:x_extension { query use };

	allow $3 shmem_xext_t:x_extension { query use };

	dontaudit $3 xextension_type:x_extension { query use };

	# X Properties

	# can read and write client properties

	allow $3 $2_xproperty_t:x_property { create destroy read write append };

	type_transition $3 xproperty_t:x_property $2_xproperty_t;

	# can read and write cut buffers

	allow $3 clipboard_xproperty_t:x_property { create read write append };

	# can read info properties

	allow $3 info_xproperty_t:x_property read;

	# can change properties of root window

	allow $3 $1_rootwindow_t:x_drawable { list_property get_property set_property };

	# can change properties of own windows

	allow $3 self:x_drawable { list_property get_property set_property };

	# X Windows

	# operations allowed on root windows

	allow $3 $1_rootwindow_t:x_drawable { getattr list_child add_child remove_child send receive };

	# operations allowed on my windows

	allow $3 self:x_drawable { create destroy getattr setattr read write show hide list_child add_child remove_child manage send receive };

	type_transition $3 $1_rootwindow_t:x_drawable $3;

	# X Colormaps

	# can use the default colormap

	allow $3 $1_rootwindow_t:x_colormap { read use add_color };

	# X Input

	# can receive own events

	allow $3 $2_input_xevent_t:{ x_event x_synthetic_event } receive;

	allow $3 $2_property_xevent_t:{ x_event x_synthetic_event } receive;

	allow $3 $2_focus_xevent_t:{ x_event x_synthetic_event } receive;

	allow $3 $2_manage_xevent_t:{ x_event x_synthetic_event } receive;

	allow $3 $2_default_xevent_t:{ x_event x_synthetic_event } receive;

	allow $3 $2_client_xevent_t:{ x_event x_synthetic_event } receive;

	type_transition $3 input_xevent_t:x_event $2_input_xevent_t;

	type_transition $3 property_xevent_t:x_event $2_property_xevent_t;

	type_transition $3 focus_xevent_t:x_event $2_focus_xevent_t;

	type_transition $3 manage_xevent_t:x_event $2_manage_xevent_t;

	type_transition $3 client_xevent_t:x_event $2_client_xevent_t;

	type_transition $3 xevent_t:x_event $2_default_xevent_t;

	# can receive certain root window events

	allow $3 focus_xevent_t:x_event receive;

	allow $3 property_xevent_t:x_event receive;

	allow $3 client_xevent_t:x_synthetic_event receive;

	allow $3 manage_xevent_t:x_synthetic_event receive;

	# can send ICCCM events to myself

	allow $3 $2_manage_xevent_t:x_synthetic_event send;

	# can send ICCCM events to the root window

	allow $3 manage_xevent_t:x_synthetic_event send;

	allow $3 client_xevent_t:x_synthetic_event send;

	# X Selections

	# can use the clipboard

	allow $3 clipboard_xselection_t:x_selection { getattr setattr read };

	# can query all other selections

	allow $3 xselection_t:x_selection { getattr read };

	# Other X Objects

	# can create and use cursors

	allow $3 self:x_cursor *;

	# can create and use graphics contexts

	allow $3 self:x_gc *;

	# can create and use colormaps

	allow $3 self:x_colormap *;

	# can read and write own objects

	allow $3 self:x_resource { read write };

	tunable_policy(`! xserver_object_manager',`

		# should be xserver_unconfined($3),

		# but typeattribute doesnt work in conditionals

		gen_require(`

			attribute x_server_domain, x_domain;

			attribute xproperty_type, xselection_type;

			attribute xextension_type, xevent_type;

			attribute rootwindow_type;

			type remote_xclient_t;

		')

		allow $3 x_server_domain:x_server *;

		allow $3 { x_domain rootwindow_type }:x_drawable *;

		allow $3 x_server_domain:x_screen *;

		allow $3 x_domain:x_gc *;

		allow $3 { x_domain rootwindow_type }:x_colormap *;

		allow $3 xproperty_type:x_property *;

		allow $3 xselection_type:x_selection *;

		allow $3 x_domain:x_cursor *;

		allow $3 { x_domain remote_xclient_t }:x_client *;

		allow $3 { x_domain x_server_domain }:x_device *;

		allow $3 xextension_type:x_extension *;

		allow $3 { x_domain x_server_domain }:x_resource *;

		allow $3 xevent_type:{ x_event x_synthetic_event } *;

	')

')

#######################################

## <summary>

##	Interface to provide X object permissions on a given X server to

##	an X client domain.  Provides the minimal set required by a basic

##	X client application.

## </summary>

## <param name="user">

##	<summary>

##	The prefix of the X server domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="prefix">

##	<summary>

##	The prefix of the X client domain (e.g., user

##	is the prefix for user_t).

##	</summary>

## </param>

## <param name="domain">

##	<summary>

##	Client domain allowed access.

##	</summary>

## </param>

## <param name="tmpfs_type">

##	<summary>

##	The type of the domain SYSV tmpfs files.

##	</summary>