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policy_module(xserver, 3.17.0)

gen_require(`
	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_pointer all_x_pointer_perms;
	class x_keyboard all_x_keyboard_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
#

## <desc>
## <p>
## Allows clients to write to the X server shared
## memory segments.
## </p>
## </desc>
gen_tunable(allow_write_xshm, false)

## <desc>
## <p>
## Allow xdm logins as sysadm
## </p>
## </desc>
gen_tunable(xdm_sysadm_login, false)

## <desc>
## <p>
## Use gnome-shell in gdm mode as the
## X Display Manager (XDM)
## </p>
## </desc>
gen_tunable(xserver_gnome_xdm, false)

## <desc>
## <p>
## Support X userspace object manager
## </p>
## </desc>
gen_tunable(xserver_object_manager, false)

attribute x_domain;

# X Events
attribute xevent_type;
attribute input_xevent_type;
type xevent_t, xevent_type;
typealias xevent_t alias { user_property_xevent_t staff_property_xevent_t sysadm_property_xevent_t };
typealias xevent_t alias { auditadm_property_xevent_t secadm_property_xevent_t };
typealias xevent_t alias { user_focus_xevent_t staff_focus_xevent_t sysadm_focus_xevent_t };
typealias xevent_t alias { auditadm_focus_xevent_t secadm_focus_xevent_t };
typealias xevent_t alias { user_manage_xevent_t staff_manage_xevent_t sysadm_manage_xevent_t };
typealias xevent_t alias { auditadm_manage_xevent_t secadm_manage_xevent_t };
typealias xevent_t alias { user_default_xevent_t staff_default_xevent_t sysadm_default_xevent_t };
typealias xevent_t alias { auditadm_default_xevent_t secadm_default_xevent_t };

type client_xevent_t, xevent_type;
typealias client_xevent_t alias { user_client_xevent_t staff_client_xevent_t sysadm_client_xevent_t };
typealias client_xevent_t alias { auditadm_client_xevent_t secadm_client_xevent_t };

type input_xevent_t, xevent_type, input_xevent_type;

# X Extensions
attribute xextension_type;
type xextension_t, xextension_type;
type security_xextension_t, xextension_type;

# X Properties
attribute xproperty_type;
type xproperty_t, xproperty_type;
type seclabel_xproperty_t, xproperty_type;
type clipboard_xproperty_t, xproperty_type;

# X Selections
attribute xselection_type;
type xselection_t, xselection_type;
type clipboard_xselection_t, xselection_type;
#type settings_xselection_t, xselection_type;
#type dbus_xselection_t, xselection_type;

# X Drawables
attribute xdrawable_type;
attribute xcolormap_type;
type root_xdrawable_t, xdrawable_type;
type root_xcolormap_t, xcolormap_type;

attribute xserver_unconfined_type;

xserver_object_types_template(root)
xserver_object_types_template(user)

typealias user_xproperty_t alias { staff_xproperty_t sysadm_xproperty_t };
typealias user_xproperty_t alias { auditadm_xproperty_t secadm_xproperty_t };
typealias user_input_xevent_t alias { staff_input_xevent_t sysadm_input_xevent_t };
typealias user_input_xevent_t alias { auditadm_input_xevent_t secadm_input_xevent_t };

type dmrc_home_t;
userdom_user_home_content(dmrc_home_t)

type remote_t;
xserver_object_types_template(remote)
xserver_common_x_domain_template(remote, remote_t)

type user_fonts_t;
typealias user_fonts_t alias { staff_fonts_t sysadm_fonts_t };
typealias user_fonts_t alias { auditadm_fonts_t secadm_fonts_t };
userdom_user_home_content(user_fonts_t)

type user_fonts_cache_t;
typealias user_fonts_cache_t alias { staff_fonts_cache_t sysadm_fonts_cache_t };
typealias user_fonts_cache_t alias { auditadm_fonts_cache_t secadm_fonts_cache_t };
xdg_cache_content(user_fonts_cache_t)

type user_fonts_config_t;
typealias user_fonts_config_t alias { staff_fonts_config_t sysadm_fonts_config_t };
typealias user_fonts_config_t alias { auditadm_fonts_config_t secadm_fonts_config_t };
userdom_user_home_content(user_fonts_config_t)

type iceauth_t;
type iceauth_exec_t;
typealias iceauth_t alias { user_iceauth_t staff_iceauth_t sysadm_iceauth_t };
typealias iceauth_t alias { auditadm_iceauth_t secadm_iceauth_t };
userdom_user_application_domain(iceauth_t, iceauth_exec_t)

type iceauth_home_t;
typealias iceauth_home_t alias { user_iceauth_home_t staff_iceauth_home_t sysadm_iceauth_home_t };
typealias iceauth_home_t alias { auditadm_iceauth_home_t secadm_iceauth_home_t };
userdom_user_home_content(iceauth_home_t)

type xauth_t;
type xauth_exec_t;
typealias xauth_t alias { user_xauth_t staff_xauth_t sysadm_xauth_t };
typealias xauth_t alias { auditadm_xauth_t secadm_xauth_t };
userdom_manage_user_tmp_dirs(xauth_t)
userdom_user_application_domain(xauth_t, xauth_exec_t)

type xauth_home_t;
typealias xauth_home_t alias { user_xauth_home_t staff_xauth_home_t sysadm_xauth_home_t };
typealias xauth_home_t alias { auditadm_xauth_home_t secadm_xauth_home_t };
userdom_user_home_content(xauth_home_t)

type xauth_tmp_t;
typealias xauth_tmp_t alias { user_xauth_tmp_t staff_xauth_tmp_t sysadm_xauth_tmp_t };
typealias xauth_tmp_t alias { auditadm_xauth_tmp_t secadm_xauth_tmp_t };
userdom_user_tmp_file(xauth_tmp_t)

# this is not actually a device, its a pipe
type xconsole_device_t;
files_type(xconsole_device_t)
dev_associate(xconsole_device_t)
fs_associate_tmpfs(xconsole_device_t)
files_associate_tmp(xconsole_device_t)

type xdm_t;
type xdm_exec_t;
auth_login_pgm_domain(xdm_t)
init_domain(xdm_t, xdm_exec_t)
init_daemon_domain(xdm_t, xdm_exec_t)
xserver_object_types_template(xdm)
xserver_common_x_domain_template(xdm, xdm_t)

type xdm_lock_t;
files_lock_file(xdm_lock_t)

type xdm_rw_etc_t;
files_type(xdm_rw_etc_t)

type xdm_var_lib_t;
files_type(xdm_var_lib_t)

type xdm_var_run_t;
files_pid_file(xdm_var_run_t)

# type for /run/user/%{USERID}/*
type xdm_runtime_t;
userdom_user_runtime_content(xdm_runtime_t)

type xdm_tmp_t;
files_tmp_file(xdm_tmp_t)
typealias xdm_tmp_t alias ice_tmp_t;

type xdm_tmpfs_t;
files_tmpfs_file(xdm_tmpfs_t)

# type for /var/lib/xkb
type xkb_var_lib_t;
files_type(xkb_var_lib_t)

# Type for the executable used to start the X server, e.g. Xwrapper.
type xserver_t;
type xserver_exec_t;
typealias xserver_t alias { user_xserver_t staff_xserver_t sysadm_xserver_t };
typealias xserver_t alias { auditadm_xserver_t secadm_xserver_t xdm_xserver_t };
init_system_domain(xserver_t, xserver_exec_t)
ubac_constrained(xserver_t)

type xserver_tmp_t;
typealias xserver_tmp_t alias { user_xserver_tmp_t staff_xserver_tmp_t sysadm_xserver_tmp_t };
typealias xserver_tmp_t alias { auditadm_xserver_tmp_t secadm_xserver_tmp_t xdm_xserver_tmp_t };
userdom_user_tmp_file(xserver_tmp_t)

type xserver_tmpfs_t;
typealias xserver_tmpfs_t alias { user_xserver_tmpfs_t staff_xserver_tmpfs_t sysadm_xserver_tmpfs_t };
typealias xserver_tmpfs_t alias { auditadm_xserver_tmpfs_t secadm_xserver_tmpfs_t xdm_xserver_tmpfs_t };
userdom_user_tmpfs_file(xserver_tmpfs_t)

type xsession_exec_t;
corecmd_executable_file(xsession_exec_t)

type xsession_log_t;
userdom_user_home_content(xsession_log_t)

# Type for the X server log file.
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)
')

optional_policy(`
	prelink_object_file(xkb_var_lib_t)
')

########################################
#
# Iceauth local policy
#

allow iceauth_t iceauth_home_t:file manage_file_perms;
userdom_user_home_dir_filetrans(iceauth_t, iceauth_home_t, file)

allow xdm_t iceauth_home_t:file read_file_perms;

fs_search_auto_mountpoints(iceauth_t)

userdom_use_user_terminals(iceauth_t)
userdom_read_user_tmp_files(iceauth_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_files(iceauth_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_files(iceauth_t)
')

########################################
#
# Xauth local policy
#

allow xauth_t self:process signal;
allow xauth_t self:unix_stream_socket create_stream_socket_perms;

allow xauth_t xauth_home_t:file manage_file_perms;
userdom_user_home_dir_filetrans(xauth_t, xauth_home_t, file)

manage_dirs_pattern(xauth_t, xauth_tmp_t, xauth_tmp_t)
manage_files_pattern(xauth_t, xauth_tmp_t, xauth_tmp_t)
files_tmp_filetrans(xauth_t, xauth_tmp_t, { file dir })

allow xdm_t xauth_home_t:file manage_file_perms;
userdom_user_home_dir_filetrans(xdm_t, xauth_home_t, file, ".Xauthority")

allow xauth_t xdm_t:process sigchld;
allow xauth_t xdm_t:fd use;
allow xauth_t xdm_t:fifo_file { getattr read };
allow xauth_t xdm_t:unix_stream_socket { read write };

kernel_request_load_module(xauth_t)

dev_read_sysfs(xauth_t)

domain_use_interactive_fds(xauth_t)

files_read_etc_files(xauth_t)
files_search_pids(xauth_t)

fs_getattr_xattr_fs(xauth_t)
fs_search_auto_mountpoints(xauth_t)

# cjp: why?
term_use_ptmx(xauth_t)

auth_use_nsswitch(xauth_t)

userdom_use_user_terminals(xauth_t)
userdom_read_user_tmp_files(xauth_t)

xserver_rw_xdm_tmp_files(xauth_t)
xserver_stream_connect(xauth_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_files(xauth_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_files(xauth_t)
')

optional_policy(`
	ssh_sigchld(xauth_t)
	ssh_read_pipes(xauth_t)
	ssh_dontaudit_rw_tcp_sockets(xauth_t)
')

########################################
#
# XDM Local policy
#

allow xdm_t self:capability { chown dac_override dac_read_search fowner fsetid ipc_owner kill mknod net_bind_service setgid setuid sys_nice sys_rawio sys_resource sys_tty_config };
dontaudit xdm_t self:capability sys_admin;
allow xdm_t self:process { setexec setpgid getsched setsched setrlimit signal_perms };
allow xdm_t self:fifo_file rw_fifo_file_perms;
allow xdm_t self:shm create_shm_perms;
allow xdm_t self:sem create_sem_perms;
allow xdm_t self:unix_stream_socket { connectto create_stream_socket_perms };
allow xdm_t self:unix_dgram_socket create_socket_perms;
allow xdm_t self:tcp_socket create_stream_socket_perms;
allow xdm_t self:udp_socket create_socket_perms;
allow xdm_t self:socket create_socket_perms;
allow xdm_t self:appletalk_socket create_socket_perms;
allow xdm_t self:key { search link write };

allow xdm_t xconsole_device_t:fifo_file { read_fifo_file_perms setattr_fifo_file_perms };

# Allow gdm to run gdm-binary
can_exec(xdm_t, xdm_exec_t)

allow xdm_t xdm_lock_t:file manage_file_perms;
files_lock_filetrans(xdm_t, xdm_lock_t, file)

# wdm has its own config dir /etc/X11/wdm
# this is ugly, daemons should not create files under /etc!
manage_files_pattern(xdm_t, xdm_rw_etc_t, xdm_rw_etc_t)

# files in /run/user/%{USERID}/*
manage_dirs_pattern(xdm_t, xdm_runtime_t, xdm_runtime_t)
manage_files_pattern(xdm_t, xdm_runtime_t, xdm_runtime_t)

manage_dirs_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
manage_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
manage_sock_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
files_tmp_filetrans(xdm_t, xdm_tmp_t, { file dir sock_file })

manage_dirs_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
manage_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
manage_lnk_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
manage_fifo_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
manage_sock_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
fs_tmpfs_filetrans(xdm_t, xdm_tmpfs_t, { dir file lnk_file sock_file fifo_file })

manage_dirs_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
manage_files_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
files_var_lib_filetrans(xdm_t, xdm_var_lib_t, file)

manage_dirs_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
manage_files_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
manage_fifo_files_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
files_pid_filetrans(xdm_t, xdm_var_run_t, { dir file fifo_file })

allow xdm_t xserver_t:process signal;
allow xdm_t xserver_t:unix_stream_socket connectto;

allow xdm_t xserver_tmp_t:sock_file rw_sock_file_perms;
allow xdm_t xserver_tmp_t:dir { setattr list_dir_perms };

# transition to the xdm xserver
domtrans_pattern(xdm_t, xserver_exec_t, xserver_t)
allow xserver_t xdm_t:process signal;
allow xdm_t xserver_t:process { noatsecure siginh rlimitinh signal sigkill };

allow xdm_t xserver_t:shm rw_shm_perms;

# connect to xdm xserver over stream socket
stream_connect_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t, xserver_t)

# Remove /tmp/.X11-unix/X0.
delete_files_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t)
delete_sock_files_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t)

manage_dirs_pattern(xdm_t, xserver_log_t, xserver_log_t)
manage_files_pattern(xdm_t, xserver_log_t, xserver_log_t)
manage_fifo_files_pattern(xdm_t, xserver_log_t, xserver_log_t)
logging_log_filetrans(xdm_t, xserver_log_t, file)

kernel_read_crypto_sysctls(xdm_t)
kernel_read_system_state(xdm_t)
kernel_read_kernel_sysctls(xdm_t)
kernel_read_net_sysctls(xdm_t)
kernel_read_network_state(xdm_t)
kernel_view_key(xdm_t)

corecmd_exec_shell(xdm_t)
corecmd_exec_bin(xdm_t)

corenet_all_recvfrom_unlabeled(xdm_t)
corenet_all_recvfrom_netlabel(xdm_t)
corenet_tcp_sendrecv_generic_if(xdm_t)
corenet_udp_sendrecv_generic_if(xdm_t)
corenet_tcp_sendrecv_generic_node(xdm_t)
corenet_udp_sendrecv_generic_node(xdm_t)
corenet_tcp_sendrecv_all_ports(xdm_t)
corenet_udp_sendrecv_all_ports(xdm_t)
corenet_tcp_bind_generic_node(xdm_t)
corenet_udp_bind_generic_node(xdm_t)
corenet_tcp_connect_all_ports(xdm_t)
corenet_sendrecv_all_client_packets(xdm_t)
# xdm tries to bind to biff_port_t
corenet_dontaudit_tcp_bind_all_ports(xdm_t)

dev_read_rand(xdm_t)
dev_read_sysfs(xdm_t)
dev_getattr_framebuffer_dev(xdm_t)
dev_setattr_framebuffer_dev(xdm_t)
dev_getattr_mouse_dev(xdm_t)
dev_setattr_mouse_dev(xdm_t)
dev_rw_acpi_bios(xdm_t)
dev_setattr_acpi_bios_dev(xdm_t)
dev_rw_dri(xdm_t)
dev_rw_agp(xdm_t)
dev_getattr_xserver_misc_dev(xdm_t)
dev_setattr_xserver_misc_dev(xdm_t)
dev_getattr_misc_dev(xdm_t)
dev_setattr_misc_dev(xdm_t)
dev_dontaudit_rw_misc(xdm_t)
dev_getattr_video_dev(xdm_t)
dev_setattr_video_dev(xdm_t)
dev_getattr_scanner_dev(xdm_t)
dev_setattr_scanner_dev(xdm_t)
dev_getattr_sound_dev(xdm_t)
dev_setattr_sound_dev(xdm_t)
dev_getattr_power_mgmt_dev(xdm_t)
dev_setattr_power_mgmt_dev(xdm_t)

domain_use_interactive_fds(xdm_t)
# Do not audit denied probes of /proc.
domain_dontaudit_read_all_domains_state(xdm_t)

files_read_etc_files(xdm_t)
files_read_var_files(xdm_t)
files_read_etc_runtime_files(xdm_t)
files_exec_etc_files(xdm_t)
files_list_mnt(xdm_t)
# Read /usr/share/terminfo/l/linux and /usr/share/icons/default/index.theme...
files_map_usr_files(xdm_t)
files_read_usr_files(xdm_t)
# Poweroff wants to create the /poweroff file when run from xdm
files_create_boot_flag(xdm_t)

fs_getattr_all_fs(xdm_t)
fs_search_auto_mountpoints(xdm_t)

storage_dontaudit_read_fixed_disk(xdm_t)
storage_dontaudit_write_fixed_disk(xdm_t)
storage_dontaudit_setattr_fixed_disk_dev(xdm_t)
storage_dontaudit_raw_read_removable_device(xdm_t)
storage_dontaudit_raw_write_removable_device(xdm_t)
storage_dontaudit_setattr_removable_dev(xdm_t)
storage_dontaudit_rw_scsi_generic(xdm_t)

term_setattr_console(xdm_t)
term_use_unallocated_ttys(xdm_t)
term_setattr_unallocated_ttys(xdm_t)

auth_domtrans_pam_console(xdm_t)
auth_manage_pam_pid(xdm_t)
auth_manage_pam_console_data(xdm_t)
auth_write_login_records(xdm_t)

# Run telinit->init to shutdown.
init_telinit(xdm_t)

libs_exec_lib_files(xdm_t)

logging_read_generic_logs(xdm_t)

miscfiles_read_localization(xdm_t)
miscfiles_read_fonts(xdm_t)

sysnet_read_config(xdm_t)

userdom_dontaudit_use_unpriv_user_fds(xdm_t)
userdom_create_all_users_keys(xdm_t)
# Search /proc for any user domain processes.
userdom_read_all_users_state(xdm_t)
userdom_signal_all_users(xdm_t)
userdom_user_runtime_filetrans(xdm_t, xdm_runtime_t, dir)

# for .dmrc: this was used by the Gnome Display Manager (gdm)
# and it is now obsolete in Gnome3
xserver_read_user_dmrc(xdm_t)

xserver_manage_xsession_log(xdm_t)
xserver_rw_session(xdm_t, xdm_tmpfs_t)
xserver_unconfined(xdm_t)
xserver_user_home_dir_filetrans_user_xsession_log(xdm_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(xdm_t)
	fs_manage_nfs_files(xdm_t)
	fs_manage_nfs_symlinks(xdm_t)
	fs_exec_nfs_files(xdm_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(xdm_t)
	fs_manage_cifs_files(xdm_t)
	fs_manage_cifs_symlinks(xdm_t)
	fs_exec_cifs_files(xdm_t)
')

tunable_policy(`xdm_sysadm_login',`
	userdom_xsession_spec_domtrans_all_users(xdm_t)
	# FIXME:
#	xserver_rw_session_template(xdm,userdomain)
',`
	userdom_xsession_spec_domtrans_unpriv_users(xdm_t)
	# FIXME:
#	xserver_rw_session_template(xdm,unpriv_userdomain)
#	dontaudit xserver_t sysadm_t:shm { unix_read unix_write };
#	allow xserver_t xdm_tmpfs_t:file rw_file_perms;
')

tunable_policy(`xserver_gnome_xdm',`
	allow xdm_t self:process execmem;
')

optional_policy(`
	alsa_domtrans(xdm_t)
')

optional_policy(`
	colord_dbus_chat(xdm_t)
')

optional_policy(`
	colord_dbus_chat(xdm_t)
')

optional_policy(`
	consolekit_dbus_chat(xdm_t)
')

optional_policy(`
	consoletype_exec(xdm_t)
')

optional_policy(`
	allow xdm_t self:process getcap;

	dbus_exec(xdm_t)
	dbus_system_bus_client(xdm_t)
	dbus_connect_system_bus(xdm_t)

	optional_policy(`
		accountsd_dbus_chat(xdm_t)
	')

	optional_policy(`
		systemd_read_logind_pids(xdm_t)
	')
')

optional_policy(`
	devicekit_dbus_chat_power(xdm_t)
')

optional_policy(`
	gnome_spec_domtrans_all_gkeyringd(xdm_t)
')

optional_policy(`
	# Talk to the console mouse server.
	gpm_stream_connect(xdm_t)
	gpm_setattr_gpmctl(xdm_t)
')

optional_policy(`
	hostname_exec(xdm_t)
')

optional_policy(`
	loadkeys_exec(xdm_t)
')

optional_policy(`
	locallogin_signull(xdm_t)
')

optional_policy(`
	# Do not audit attempts to check whether user root has email
	mta_dontaudit_getattr_spool_files(xdm_t)
')

optional_policy(`
	resmgr_stream_connect(xdm_t)
')

optional_policy(`
	seutil_sigchld_newrole(xdm_t)
')

optional_policy(`
	shutdown_domtrans(xdm_t)
')

optional_policy(`
	udev_read_db(xdm_t)
')

optional_policy(`
	unconfined_domain(xdm_t)
	unconfined_domtrans(xdm_t)
')

optional_policy(`
	userhelper_dontaudit_search_config(xdm_t)
')

optional_policy(`
	usermanage_read_crack_db(xdm_t)
')

optional_policy(`
	xfs_stream_connect(xdm_t)
')

########################################
#
# X server local policy
#

# X Object Manager rules
type_transition xserver_t xserver_t:x_drawable root_xdrawable_t;
type_transition xserver_t xserver_t:x_colormap root_xcolormap_t;
type_transition root_xdrawable_t input_xevent_t:x_event root_input_xevent_t;

allow xserver_t { root_xdrawable_t x_domain }:x_drawable send;
allow xserver_t input_xevent_t:x_event send;

# 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 xserver_t self:capability { dac_override fowner fsetid ipc_owner mknod net_bind_service setgid setuid sys_admin sys_nice sys_rawio sys_tty_config };
dontaudit xserver_t self:capability chown;
allow xserver_t self:capability2 wake_alarm;
allow xserver_t self:process { fork transition signal_perms getsched setsched getsession getpgid setpgid getcap setcap share getattr noatsecure siginh rlimitinh dyntransition setkeycreate setsockcreate getrlimit };
allow xserver_t self:fd use;
allow xserver_t self:fifo_file rw_fifo_file_perms;
allow xserver_t self:sock_file read_sock_file_perms;
allow xserver_t self:shm create_shm_perms;
allow xserver_t self:sem create_sem_perms;
allow xserver_t self:msgq create_msgq_perms;
allow xserver_t self:msg { send receive };
allow xserver_t self:unix_dgram_socket { create_socket_perms sendto };
allow xserver_t self:unix_stream_socket { create_stream_socket_perms connectto };
allow xserver_t self:tcp_socket create_stream_socket_perms;
allow xserver_t self:udp_socket create_socket_perms;
allow xserver_t self:netlink_kobject_uevent_socket create_socket_perms;

manage_dirs_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
manage_files_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
manage_sock_files_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
files_tmp_filetrans(xserver_t, xserver_tmp_t, { file dir sock_file })

filetrans_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t, sock_file)

manage_dirs_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
manage_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
manage_lnk_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
manage_fifo_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
manage_sock_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
fs_tmpfs_filetrans(xserver_t, xserver_tmpfs_t, { dir file lnk_file sock_file fifo_file })
allow xserver_t xserver_tmpfs_t:file map;

# Run xkbcomp
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")

# for writing to ~/.local/share/sddm/xorg-session.log
xdg_manage_data(xauth_t)

domtrans_pattern(xserver_t, xauth_exec_t, xauth_t)
allow xserver_t xauth_home_t:file read_file_perms;

# Create files in /var/log with the xserver_log_t type.
manage_files_pattern(xserver_t, xserver_log_t, xserver_log_t)
logging_log_filetrans(xserver_t, xserver_log_t, file)

kernel_read_crypto_sysctls(xserver_t)
kernel_read_system_state(xserver_t)
kernel_read_device_sysctls(xserver_t)
kernel_read_modprobe_sysctls(xserver_t)
# Xorg wants to check if kernel is tainted
kernel_read_kernel_sysctls(xserver_t)
kernel_write_proc_files(xserver_t)

# Run helper programs in xserver_t.
corecmd_exec_bin(xserver_t)
corecmd_exec_shell(xserver_t)

corenet_all_recvfrom_unlabeled(xserver_t)
corenet_all_recvfrom_netlabel(xserver_t)
corenet_tcp_sendrecv_generic_if(xserver_t)
corenet_udp_sendrecv_generic_if(xserver_t)
corenet_tcp_sendrecv_generic_node(xserver_t)
corenet_udp_sendrecv_generic_node(xserver_t)
corenet_tcp_sendrecv_all_ports(xserver_t)
corenet_udp_sendrecv_all_ports(xserver_t)
corenet_tcp_bind_generic_node(xserver_t)
corenet_tcp_bind_xserver_port(xserver_t)
corenet_tcp_connect_all_ports(xserver_t)
corenet_sendrecv_xserver_server_packets(xserver_t)
corenet_sendrecv_all_client_packets(xserver_t)

dev_rw_sysfs(xserver_t)
dev_rw_mouse(xserver_t)
dev_rw_mtrr(xserver_t)
dev_rw_acpi_bios(xserver_t)
dev_rw_agp(xserver_t)
dev_rw_framebuffer(xserver_t)
dev_manage_dri_dev(xserver_t)
dev_filetrans_dri(xserver_t)
dev_create_generic_dirs(xserver_t)
dev_setattr_generic_dirs(xserver_t)
# raw memory access is needed if not using the frame buffer
dev_read_raw_memory(xserver_t)
dev_wx_raw_memory(xserver_t)
# for other device nodes such as the NVidia binary-only driver
dev_rw_xserver_misc(xserver_t)
dev_map_xserver_misc(xserver_t)
# read events - the synaptics touchpad driver reads raw events
dev_rw_input_dev(xserver_t)
dev_rwx_zero(xserver_t)

domain_dontaudit_search_all_domains_state(xserver_t)

files_read_etc_files(xserver_t)
files_read_etc_runtime_files(xserver_t)
files_read_usr_files(xserver_t)

# brought on by rhgb
files_search_mnt(xserver_t)
# for nscd
files_dontaudit_search_pids(xserver_t)

fs_getattr_xattr_fs(xserver_t)
fs_search_nfs(xserver_t)
fs_search_auto_mountpoints(xserver_t)
fs_search_ramfs(xserver_t)

mls_xwin_read_to_clearance(xserver_t)

selinux_validate_context(xserver_t)
selinux_compute_access_vector(xserver_t)
selinux_compute_create_context(xserver_t)

auth_use_nsswitch(xserver_t)

init_getpgid(xserver_t)

term_setattr_unallocated_ttys(xserver_t)
term_use_unallocated_ttys(xserver_t)

getty_use_fds(xserver_t)

locallogin_use_fds(xserver_t)

logging_send_syslog_msg(xserver_t)
logging_send_audit_msgs(xserver_t)

miscfiles_read_localization(xserver_t)
miscfiles_read_fonts(xserver_t)

modutils_domtrans(xserver_t)

# read x_contexts
seutil_read_default_contexts(xserver_t)

userdom_search_user_home_dirs(xserver_t)
userdom_use_user_ttys(xserver_t)
userdom_setattr_user_ttys(xserver_t)
userdom_read_user_tmp_files(xserver_t)
userdom_map_user_tmpfs_files(xserver_t)
userdom_rw_user_tmpfs_files(xserver_t)

xserver_use_user_fonts(xserver_t)

ifdef(`enable_mls',`
	range_transition xserver_t xserver_tmp_t:sock_file s0 - mls_systemhigh;
	range_transition xserver_t xserver_t:x_drawable s0 - mls_systemhigh;
')

tunable_policy(`!xserver_object_manager',`
	# should be xserver_unconfined(xserver_t),
	# but typeattribute doesnt work in conditionals

	allow xserver_t xserver_t:x_server { getattr setattr record debug grab manage };
	allow xserver_t { x_domain root_xdrawable_t }:x_drawable { create destroy read write blend getattr setattr list_child add_child remove_child list_property get_property set_property manage override show hide send receive };
	allow xserver_t xserver_t:x_screen { getattr setattr hide_cursor show_cursor saver_getattr saver_setattr saver_hide saver_show };
	allow xserver_t x_domain:x_gc { create destroy getattr setattr use };
	allow xserver_t { x_domain root_xcolormap_t }:x_colormap { create destroy read write getattr add_color remove_color install uninstall use };
	allow xserver_t xproperty_type:x_property { create destroy read write append getattr setattr };
	allow xserver_t xselection_type:x_selection { read write getattr setattr };
	allow xserver_t x_domain:x_cursor { create destroy read write getattr setattr use };
	allow xserver_t x_domain:x_client { destroy getattr setattr manage };
	allow xserver_t { x_domain xserver_t }:x_device { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow xserver_t { x_domain xserver_t }:x_pointer { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow xserver_t { x_domain xserver_t }:x_keyboard { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow xserver_t xextension_type:x_extension { query use };
	allow xserver_t { x_domain xserver_t }:x_resource { read write };
	allow xserver_t xevent_type:{ x_event x_synthetic_event } { send receive };
')

optional_policy(`
	acpi_stream_connect(xserver_t)
')

optional_policy(`
	auth_search_pam_console_data(xserver_t)
')

optional_policy(`
	rhgb_getpgid(xserver_t)
	rhgb_signal(xserver_t)
')

optional_policy(`
	udev_read_db(xserver_t)
	udev_read_pid_files(xserver_t)
')

optional_policy(`
	unconfined_domain_noaudit(xserver_t)
	unconfined_domtrans(xserver_t)
')

optional_policy(`
	userhelper_search_config(xserver_t)
')

optional_policy(`
	xfs_stream_connect(xserver_t)
')

########################################
#
# XDM Xserver local policy
#
# cjp: when xdm is configurable via tunable these
# rules will be enabled only when xdm is enabled

allow xserver_t xdm_t:process { signal getpgid };
allow xserver_t xdm_t:shm rw_shm_perms;

# NB we do NOT allow xserver_t xdm_var_lib_t:dir, only access to an open
# handle of a file inside the dir!!!
allow xserver_t xdm_var_lib_t:file { getattr read };
dontaudit xserver_t xdm_var_lib_t:dir search;

read_files_pattern(xserver_t, xdm_var_run_t, xdm_var_run_t)

# Label pid and temporary files with derived types.
manage_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)
manage_lnk_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)
manage_sock_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)

# Run Xorg.wrap
can_exec(xserver_t, xserver_exec_t)

# VNC v4 module in X server
corenet_tcp_bind_vnc_port(xserver_t)

init_use_fds(xserver_t)

tunable_policy(`use_nfs_home_dirs',`
	fs_manage_nfs_dirs(xserver_t)
	fs_manage_nfs_files(xserver_t)
	fs_manage_nfs_symlinks(xserver_t)
')

tunable_policy(`use_samba_home_dirs',`
	fs_manage_cifs_dirs(xserver_t)
	fs_manage_cifs_files(xserver_t)
	fs_manage_cifs_symlinks(xserver_t)
')

optional_policy(`
	dbus_system_bus_client(xserver_t)
	hal_dbus_chat(xserver_t)
')

optional_policy(`
	resmgr_stream_connect(xdm_t)
')

optional_policy(`
	rhgb_rw_shm(xserver_t)
	rhgb_rw_tmpfs_files(xserver_t)
')

########################################
#
# Rules common to all X window domains
#

# Hacks
# everyone can do override-redirect windows.
# this could be used to spoof labels
allow x_domain self:x_drawable override;
# firefox gets nosy with other people's windows
allow x_domain x_domain:x_drawable { list_child receive };

# X Server
# can get X server attributes
allow x_domain xserver_t:x_server getattr;
# can grab the server
allow x_domain xserver_t:x_server grab;
# can read and write server-owned generic resources
allow x_domain xserver_t:x_resource { read write };
# can mess with own clients
allow x_domain self:x_client { getattr manage destroy };

# X Protocol Extensions
allow x_domain xextension_t:x_extension { query use };
allow x_domain security_xextension_t:x_extension { query use };

# X Properties
# can change properties of root window
allow x_domain root_xdrawable_t:x_drawable { list_property get_property set_property };
# can change properties of my own windows
allow x_domain self:x_drawable { list_property get_property set_property };
# can read and write cut buffers
allow x_domain clipboard_xproperty_t:x_property { create read write append };
# can read security labels
allow x_domain seclabel_xproperty_t:x_property { getattr read };
# can change all other properties
allow x_domain xproperty_t:x_property { getattr create read write append destroy };

# X Windows
# operations allowed on root windows
allow x_domain root_xdrawable_t:x_drawable { getattr setattr list_child add_child remove_child send receive hide show };
# operations allowed on my windows
allow x_domain self:x_drawable { create destroy getattr setattr read write show hide list_child add_child remove_child manage send receive };
allow x_domain self:x_drawable { blend };
# operations allowed on all windows
allow x_domain x_domain:x_drawable { getattr get_property set_property remove_child };

# X Colormaps
# can use the default colormap
allow x_domain root_xcolormap_t:x_colormap { read use add_color remove_color install uninstall };
# can create and use colormaps
allow x_domain self:x_colormap { create destroy read write getattr add_color remove_color install uninstall use };

# X Devices
# operations allowed on my own devices
allow x_domain self:{ x_device x_pointer x_keyboard } { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
# operations allowed on generic devices
allow x_domain xserver_t:x_device { use getattr setattr getfocus setfocus bell grab freeze force_cursor };
# operations allowed on core keyboard
allow x_domain xserver_t:x_keyboard { use getattr setattr getfocus setfocus bell grab };
# operations allowed on core pointer
allow x_domain xserver_t:x_pointer { read use getattr setattr getfocus setfocus bell grab freeze force_cursor };

# all devices can generate input events
allow x_domain root_xdrawable_t:x_drawable send;
allow x_domain x_domain:x_drawable send;
allow x_domain input_xevent_t:x_event send;

# dontaudit keyloggers repeatedly polling
#dontaudit x_domain xserver_t:x_keyboard read;

# X Input
# can receive default events
allow x_domain xevent_t:{ x_event x_synthetic_event } receive;
# can receive ICCCM events
allow x_domain client_xevent_t:{ x_event x_synthetic_event } receive;
# can send ICCCM events to the root window
allow x_domain client_xevent_t:x_synthetic_event send;
# can receive root window input events
allow x_domain root_input_xevent_t:x_event receive;

# X Selections
# can use the clipboard
allow x_domain clipboard_xselection_t:x_selection { getattr setattr read };
# can use default selections
allow x_domain xselection_t:x_selection { getattr setattr read };

# Other X Objects
# can create and use cursors
allow x_domain self:x_cursor { create destroy read write getattr setattr use };
# can create and use graphics contexts
allow x_domain self:x_gc { create destroy getattr setattr use };
# can read and write own objects
allow x_domain self:x_resource { read write };
# can mess with the screensaver
allow x_domain xserver_t:x_screen { getattr saver_getattr };

########################################
#
# Rules for unconfined access to this module
#

tunable_policy(`! xserver_object_manager',`
	# should be xserver_unconfined(x_domain),
	# but typeattribute doesnt work in conditionals

	allow x_domain xserver_t:x_server { getattr setattr record debug grab manage };
	allow x_domain xdrawable_type:x_drawable { create destroy read write blend getattr setattr list_child add_child remove_child list_property get_property set_property manage override show hide send receive };
	allow x_domain xserver_t:x_screen { getattr setattr hide_cursor show_cursor saver_getattr saver_setattr saver_hide saver_show };
	allow x_domain x_domain:x_gc { create destroy getattr setattr use };
	allow x_domain xcolormap_type:x_colormap { create destroy read write getattr add_color remove_color install uninstall use };
	allow x_domain xproperty_type:x_property { create destroy read write append getattr setattr };
	allow x_domain xselection_type:x_selection { read write getattr setattr };
	allow x_domain x_domain:x_cursor { create destroy read write getattr setattr use };
	allow x_domain x_domain:x_client { destroy getattr setattr manage };
	allow x_domain { x_domain xserver_t }:x_device { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow x_domain { x_domain xserver_t }:x_pointer { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow x_domain { x_domain xserver_t }:x_keyboard { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
	allow x_domain xextension_type:x_extension { query use };
	allow x_domain { x_domain xserver_t }:x_resource { read write };
	allow x_domain xevent_type:{ x_event x_synthetic_event } { send receive };
')

allow xserver_unconfined_type xserver_t:x_server { getattr setattr record debug grab manage };
allow xserver_unconfined_type xdrawable_type:x_drawable { create destroy read write blend getattr setattr list_child add_child remove_child list_property get_property set_property manage override show hide send receive };
allow xserver_unconfined_type xserver_t:x_screen { getattr setattr hide_cursor show_cursor saver_getattr saver_setattr saver_hide saver_show };
allow xserver_unconfined_type x_domain:x_gc { create destroy getattr setattr use };
allow xserver_unconfined_type xcolormap_type:x_colormap { create destroy read write getattr add_color remove_color install uninstall use };
allow xserver_unconfined_type xproperty_type:x_property { create destroy read write append getattr setattr };
allow xserver_unconfined_type xselection_type:x_selection { read write getattr setattr };
allow xserver_unconfined_type x_domain:x_cursor { create destroy read write getattr setattr use };
allow xserver_unconfined_type x_domain:x_client { destroy getattr setattr manage };
allow xserver_unconfined_type { x_domain xserver_t }:x_device { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
allow xserver_unconfined_type { x_domain xserver_t }:x_pointer { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
allow xserver_unconfined_type { x_domain xserver_t }:x_keyboard { getattr setattr use read write getfocus setfocus bell force_cursor freeze grab manage list_property get_property set_property add remove create destroy };
allow xserver_unconfined_type xextension_type:x_extension { query use };
allow xserver_unconfined_type { x_domain xserver_t }:x_resource { read write };
allow xserver_unconfined_type xevent_type:{ x_event x_synthetic_event } { send receive };

ifdef(`distro_gentoo',`
	########################################
	#
	# iceauth_t policy
	#

	files_search_tmp(iceauth_t)

	getty_use_fds(iceauth_t)

	########################################
	#
	# xserver_t policy
	#

	type xserver_xdg_data_t;
	typealias xserver_xdg_data_t alias xserver_xdg_data_home_t;
	xdg_data_content(xserver_xdg_data_t)

	# Mark data in ~/.local/share as xserver_t XDG data, see bug #516512
	manage_dirs_pattern(xserver_t, xserver_xdg_data_t, xserver_xdg_data_t)
	allow xserver_t xserver_xdg_data_t:file manage_file_perms;
	xdg_data_filetrans(xserver_t, xserver_xdg_data_home_t, dir)
	xdg_generic_user_home_dir_filetrans_data(xserver_t, dir, ".local")

	userdom_read_user_tmp_files(xserver_t)

	########################################
	#
	# xdm_t policy
	#

	optional_policy(`
		cgmanager_stream_connect(xdm_t)
	')
')