## <summary>X Windows Server</summary>
########################################
## <summary>
## Rules required for using the X Windows server
## and environment, for restricted users.
## </summary>
## <param name="role">
## <summary>
## Role allowed access.
## </summary>
## </param>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_restricted_role',`
gen_require(`
type xserver_t, xserver_exec_t, xserver_tmp_t, xserver_tmpfs_t;
type user_fonts_t, user_fonts_cache_t, user_fonts_config_t, xdm_tmp_t;
type iceauth_t, iceauth_exec_t, iceauth_home_t;
type xauth_t, xauth_exec_t, xauth_home_t;
class dbus send_msg;
')
role $1 types { xserver_t xauth_t iceauth_t };
# Xserver read/write client shm
allow xserver_t $2:fd use;
allow xserver_t $2:shm rw_shm_perms;
domtrans_pattern($2, xserver_exec_t, xserver_t)
allow xserver_t $2:process { getpgid signal };
allow xserver_t $2:shm rw_shm_perms;
allow $2 user_fonts_t:dir list_dir_perms;
allow $2 user_fonts_t:file read_file_perms;
allow $2 user_fonts_t:lnk_file read_lnk_file_perms;
allow $2 user_fonts_config_t:dir list_dir_perms;
allow $2 user_fonts_config_t:file read_file_perms;
manage_dirs_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
manage_files_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
stream_connect_pattern($2, xserver_tmp_t, xserver_tmp_t, xserver_t)
allow $2 xserver_tmp_t:sock_file delete_sock_file_perms;
files_search_tmp($2)
# Communicate via System V shared memory.
allow $2 xserver_t:shm r_shm_perms;
allow $2 xserver_tmpfs_t:file read_file_perms;
# allow ps to show iceauth
ps_process_pattern($2, iceauth_t)
domtrans_pattern($2, iceauth_exec_t, iceauth_t)
allow $2 iceauth_home_t:file read_file_perms;
domtrans_pattern($2, xauth_exec_t, xauth_t)
allow $2 xauth_t:process signal;
# allow ps to show xauth
ps_process_pattern($2, xauth_t)
allow $2 xserver_t:process signal;
allow $2 xauth_home_t:file read_file_perms;
# for when /tmp/.X11-unix is created by the system
allow $2 xdm_t:fd use;
allow $2 xdm_t:fifo_file rw_inherited_fifo_file_perms;
allow $2 xdm_tmp_t:dir search_dir_perms;
allow $2 xdm_tmp_t:sock_file rw_inherited_sock_file_perms;
dontaudit $2 xdm_t:tcp_socket { read write };
dontaudit $2 xdm_tmp_t:dir setattr_dir_perms;
allow $2 xdm_t:dbus send_msg;
allow xdm_t $2:dbus send_msg;
# Client read xserver shm
allow $2 xserver_t:fd use;
allow $2 xserver_tmpfs_t:file read_file_perms;
# Read /tmp/.X0-lock
allow $2 xserver_tmp_t:file read_inherited_file_perms;
dev_rw_xserver_misc($2)
dev_rw_power_management($2)
dev_read_input($2)
dev_read_misc($2)
dev_write_misc($2)
# open office is looking for the following
dev_getattr_agp_dev($2)
# GNOME checks for usb and other devices:
dev_rw_usbfs($2)
miscfiles_read_fonts($2)
miscfiles_setattr_fonts_cache_dirs($2)
xserver_common_x_domain_template(user, $2)
xserver_xsession_entry_type($2)
xserver_dontaudit_write_log($2)
xserver_stream_connect_xdm($2)
# certain apps want to read xdm.pid file
xserver_read_xdm_pid($2)
# gnome-session creates socket under /tmp/.ICE-unix/
xserver_create_xdm_tmp_sockets($2)
# Needed for escd, remove if we get escd policy
xserver_manage_xdm_tmp_files($2)
ifdef(`hide_broken_symptoms',`
dontaudit iceauth_t $2:socket_class_set { read write };
')
# Client write xserver shm
tunable_policy(`allow_write_xshm',`
allow $2 xserver_t:shm rw_shm_perms;
allow $2 xserver_tmpfs_t:file rw_file_perms;
')
tunable_policy(`user_direct_dri',`
dev_rw_dri($2)
')
')
########################################
## <summary>
## Rules required for using the X Windows server
## and environment.
## </summary>
## <param name="role">
## <summary>
## Role allowed access.
## </summary>
## </param>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
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;
')
xserver_restricted_role($1, $2)
# Communicate via System V shared memory.
allow $2 xserver_t:shm rw_shm_perms;
allow $2 xserver_tmpfs_t:file rw_file_perms;
allow $2 iceauth_home_t:file manage_file_perms;
allow $2 iceauth_home_t:file relabel_file_perms;
allow $2 xauth_home_t:file manage_file_perms;
allow $2 xauth_home_t:file relabel_file_perms;
mls_xwin_read_to_clearance($2)
manage_dirs_pattern($2, user_fonts_t, user_fonts_t)
manage_files_pattern($2, user_fonts_t, user_fonts_t)
allow $2 user_fonts_t:lnk_file read_lnk_file_perms;
relabel_dirs_pattern($2, user_fonts_t, user_fonts_t)
relabel_files_pattern($2, user_fonts_t, user_fonts_t)
manage_dirs_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
manage_files_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
relabel_dirs_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
relabel_files_pattern($2, user_fonts_cache_t, user_fonts_cache_t)
manage_dirs_pattern($2, user_fonts_config_t, user_fonts_config_t)
manage_files_pattern($2, user_fonts_config_t, user_fonts_config_t)
relabel_dirs_pattern($2, user_fonts_config_t, user_fonts_config_t)
relabel_files_pattern($2, user_fonts_config_t, user_fonts_config_t)
')
#######################################
## <summary>
## Create sessions on the X server, with read-only
## access to the X server shared
## memory segments.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="tmpfs_type">
## <summary>
## The type of the domain SYSV tmpfs files.
## </summary>
## </param>
#
interface(`xserver_ro_session',`
gen_require(`
type xserver_t, xserver_tmp_t, xserver_tmpfs_t;
')
# Xserver read/write client shm
allow xserver_t $1:fd use;
allow xserver_t $1:shm rw_shm_perms;
allow xserver_t $2:file rw_file_perms;
# Connect to xserver
allow $1 xserver_t:unix_stream_socket connectto;
allow $1 xserver_t:process signal;
# Read /tmp/.X0-lock
allow $1 xserver_tmp_t:file read_file_perms;
# Client read xserver shm
allow $1 xserver_t:fd use;
allow $1 xserver_t:shm r_shm_perms;
allow $1 xserver_tmpfs_t:file read_file_perms;
')
#######################################
## <summary>
## Create sessions on the X server, with read and write
## access to the X server shared
## memory segments.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="tmpfs_type">
## <summary>
## The type of the domain SYSV tmpfs files.
## </summary>
## </param>
#
interface(`xserver_rw_session',`
gen_require(`
type xserver_t, xserver_tmpfs_t;
')
xserver_ro_session($1, $2)
allow $1 xserver_t:shm rw_shm_perms;
allow $1 xserver_tmpfs_t:file rw_file_perms;
')
#######################################
## <summary>
## Create non-drawing client sessions on an X server.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_non_drawing_client',`
gen_require(`
class x_drawable { getattr get_property };
class x_extension { query use };
class x_gc { create setattr };
class x_property read;
type xserver_t, xdm_var_run_t;
type xextension_t, xproperty_t, root_xdrawable_t;
')
allow $1 self:x_gc { create setattr };
allow $1 xdm_var_run_t:dir search_dir_perms;
allow $1 xserver_t:unix_stream_socket connectto;
allow $1 xextension_t:x_extension { query use };
allow $1 root_xdrawable_t:x_drawable { getattr get_property };
allow $1 xproperty_t:x_property read;
')
#######################################
## <summary>
## Create full client sessions
## on a user X server.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="tmpfs_type">
## <summary>
## The type of the domain SYSV tmpfs files.
## </summary>
## </param>
#
interface(`xserver_user_client',`
refpolicywarn(`$0() has been deprecated, please use xserver_user_x_domain_template instead.')
gen_require(`
type xdm_t, xdm_tmp_t;
type xauth_home_t, iceauth_home_t, xserver_t, xserver_tmpfs_t;
')
allow $1 self:shm create_shm_perms;
allow $1 self:unix_dgram_socket create_socket_perms;
allow $1 self:unix_stream_socket { connectto create_stream_socket_perms };
# Read .Xauthority file
allow $1 xauth_home_t:file read_file_perms;
allow $1 iceauth_home_t:file read_file_perms;
# for when /tmp/.X11-unix is created by the system
allow $1 xdm_t:fd use;
allow $1 xdm_t:fifo_file rw_inherited_fifo_file_perms;
allow $1 xdm_tmp_t:dir search_dir_perms;
allow $1 xdm_tmp_t:sock_file { read write };
dontaudit $1 xdm_t:tcp_socket { read write };
# Allow connections to X server.
files_search_tmp($1)
miscfiles_read_fonts($1)
userdom_search_user_home_dirs($1)
# for .xsession-errors
userdom_dontaudit_write_user_home_content_files($1)
xserver_ro_session($1,$2)
xserver_use_user_fonts($1)
xserver_read_xdm_tmp_files($1)
# Client write xserver shm
tunable_policy(`allow_write_xshm',`
allow $1 xserver_t:shm rw_shm_perms;
allow $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="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 root_xdrawable_t, xdm_t, xserver_t;
type xproperty_t, $1_xproperty_t;
type xevent_t, client_xevent_t;
type input_xevent_t, $1_input_xevent_t;
attribute x_domain, input_xevent_type;
attribute xdrawable_type, xcolormap_type;
class x_drawable all_x_drawable_perms;
class x_property all_x_property_perms;
class x_event all_x_event_perms;
class x_synthetic_event all_x_synthetic_event_perms;
class x_client destroy;
class x_server manage;
class x_screen { saver_setattr saver_hide saver_show };
class x_pointer { get_property set_property manage };
class x_keyboard { read manage };
')
##############################
#
# Local Policy
#
# Type attributes
typeattribute $2 x_domain;
typeattribute $2 xdrawable_type, xcolormap_type;
# X Properties
# disable property transitions for the time being.
# type_transition $2 xproperty_t:x_property $1_xproperty_t;
# X Windows
# new windows have the domain type
type_transition $2 root_xdrawable_t:x_drawable $2;
# X Input
# distinguish input events
type_transition $2 input_xevent_t:x_event $1_input_xevent_t;
# can send own events
allow $2 $1_input_xevent_t:{ x_event x_synthetic_event } send;
# can receive own events
allow $2 $1_input_xevent_t:{ x_event x_synthetic_event } receive;
# can receive default events
allow $2 client_xevent_t:{ x_event x_synthetic_event } receive;
allow $2 xevent_t:{ x_event x_synthetic_event } receive;
# dont audit send failures
dontaudit $2 input_xevent_type:x_event send;
allow $2 xdm_t:x_drawable { hide read add_child manage };
allow $2 xdm_t:x_client destroy;
allow $2 root_xdrawable_t:x_drawable write;
allow $2 xserver_t:x_server manage;
allow $2 xserver_t:x_screen { saver_setattr saver_hide saver_show };
allow $2 xserver_t:x_pointer { get_property set_property manage };
allow $2 xserver_t:x_keyboard { read manage };
')
#######################################
## <summary>
## Template for creating the set of types used
## in an X windows domain.
## </summary>
## <param name="prefix">
## <summary>
## The prefix of the X client domain (e.g., user
## is the prefix for user_t).
## </summary>
## </param>
#
template(`xserver_object_types_template',`
gen_require(`
attribute xproperty_type, input_xevent_type, xevent_type;
')
##############################
#
# Declarations
#
# Types for properties
type $1_xproperty_t, xproperty_type;
ubac_constrained($1_xproperty_t)
# Types for events
type $1_input_xevent_t, input_xevent_type, xevent_type;
ubac_constrained($1_input_xevent_t)
')
#######################################
## <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="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>
## </param>
#
template(`xserver_user_x_domain_template',`
gen_require(`
type xdm_t, xdm_tmp_t, xserver_tmpfs_t;
type xauth_home_t, iceauth_home_t, xserver_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 xauth_home_t:file read_file_perms;
allow $2 iceauth_home_t:file read_file_perms;
# for when /tmp/.X11-unix is created by the system
allow $2 xdm_t:fd use;
allow $2 xdm_t:fifo_file rw_inherited_fifo_file_perms;
allow $2 xdm_tmp_t:dir search_dir_perms;
allow $2 xdm_tmp_t:sock_file rw_inherited_sock_file_perms;
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($2)
# for .xsession-errors
userdom_dontaudit_write_user_home_content_files($2)
xserver_ro_session($2, $3)
xserver_use_user_fonts($2)
xserver_read_xdm_tmp_files($2)
xserver_read_xdm_pid($2)
# X object manager
xserver_object_types_template($1)
xserver_common_x_domain_template($1, $2)
# Client write xserver shm
tunable_policy(`allow_write_xshm',`
allow $2 xserver_t:shm rw_shm_perms;
allow $2 xserver_tmpfs_t:file rw_file_perms;
')
tunable_policy(`user_direct_dri',`
dev_rw_dri($2)
')
')
########################################
## <summary>
## Read user fonts, user font configuration,
## and manage the user font cache.
## </summary>
## <desc>
## <p>
## Read user fonts, user font configuration,
## and manage the user font cache.
## </p>
## <p>
## This is a templated interface, and should only
## be called from a per-userdomain template.
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_use_user_fonts',`
gen_require(`
type user_fonts_t, user_fonts_cache_t, user_fonts_config_t;
')
# Read per user fonts
allow $1 user_fonts_t:dir list_dir_perms;
allow $1 user_fonts_t:file read_file_perms;
allow $1 user_fonts_t:lnk_file read_lnk_file_perms;
# Manipulate the global font cache
manage_dirs_pattern($1, user_fonts_cache_t, user_fonts_cache_t)
manage_files_pattern($1, user_fonts_cache_t, user_fonts_cache_t)
# Read per user font config
allow $1 user_fonts_config_t:dir list_dir_perms;
allow $1 user_fonts_config_t:file read_file_perms;
userdom_search_user_home_dirs($1)
')
########################################
## <summary>
## Transition to the Xauthority domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`xserver_domtrans_xauth',`
gen_require(`
type xauth_t, xauth_exec_t;
')
domtrans_pattern($1, xauth_exec_t, xauth_t)
ifdef(`hide_broken_symptoms',`
dontaudit xauth_t $1:socket_class_set { read write };
')
')
########################################
## <summary>
## Dontaudit exec of Xauthority program.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_dontaudit_exec_xauth',`
gen_require(`
type xauth_exec_t;
')
dontaudit $1 xauth_exec_t:file execute;
')
########################################
## <summary>
## Create a Xauthority file in the user home directory.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_user_home_dir_filetrans_user_xauth',`
gen_require(`
type xauth_home_t;
')
userdom_user_home_dir_filetrans($1, xauth_home_t, file)
')
########################################
## <summary>
## Read all users fonts, user font configurations,
## and manage all users font caches.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_use_all_users_fonts',`
refpolicywarn(`$0() has been deprecated, please use xserver_use_user_fonts.')
xserver_use_user_fonts($1)
')
########################################
## <summary>
## Read all users .Xauthority.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_user_xauth',`
gen_require(`
type xauth_home_t;
')
allow $1 xauth_home_t:file read_file_perms;
userdom_search_user_home_dirs($1)
xserver_read_xdm_pid($1)
')
########################################
## <summary>
## Set the attributes of the X windows console named pipes.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_setattr_console_pipes',`
gen_require(`
type xconsole_device_t;
')
allow $1 xconsole_device_t:fifo_file setattr_fifo_file_perms;
')
########################################
## <summary>
## Read and write the X windows console named pipe.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_rw_console',`
gen_require(`
type xconsole_device_t;
')
allow $1 xconsole_device_t:fifo_file rw_fifo_file_perms;
')
########################################
## <summary>
## Use file descriptors for xdm.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_use_xdm_fds',`
gen_require(`
type xdm_t;
')
allow $1 xdm_t:fd use;
')
########################################
## <summary>
## Do not audit attempts to inherit
## XDM file descriptors.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_use_xdm_fds',`
gen_require(`
type xdm_t;
')
dontaudit $1 xdm_t:fd use;
')
########################################
## <summary>
## Read and write XDM unnamed pipes.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_rw_xdm_pipes',`
gen_require(`
type xdm_t;
')
allow $1 xdm_t:fifo_file rw_inherited_fifo_file_perms;
')
########################################
## <summary>
## Do not audit attempts to read and write
## XDM unnamed pipes.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_rw_xdm_pipes',`
gen_require(`
type xdm_t;
')
dontaudit $1 xdm_t:fifo_file rw_fifo_file_perms;
')
########################################
## <summary>
## Connect to XDM over a unix domain
## stream socket.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_stream_connect_xdm',`
gen_require(`
type xdm_t, xdm_tmp_t, xdm_var_run_t;
')
files_search_tmp($1)
files_search_pids($1)
stream_connect_pattern($1, { xdm_tmp_t xdm_var_run_t }, { xdm_tmp_t xdm_var_run_t }, xdm_t)
')
########################################
## <summary>
## Read xdm-writable configuration files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_xdm_rw_config',`
gen_require(`
type xdm_rw_etc_t;
')
files_search_etc($1)
allow $1 xdm_rw_etc_t:file read_file_perms;
')
########################################
## <summary>
## Set the attributes of XDM temporary directories.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_setattr_xdm_tmp_dirs',`
gen_require(`
type xdm_tmp_t;
')
allow $1 xdm_tmp_t:dir setattr_dir_perms;
')
########################################
## <summary>
## Create a named socket in a XDM
## temporary directory.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_create_xdm_tmp_sockets',`
gen_require(`
type xdm_tmp_t;
')
files_search_tmp($1)
allow $1 xdm_tmp_t:dir list_dir_perms;
create_sock_files_pattern($1, xdm_tmp_t, xdm_tmp_t)
')
########################################
## <summary>
## Read XDM pid files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_xdm_pid',`
gen_require(`
type xdm_var_run_t;
')
files_search_pids($1)
read_files_pattern($1, xdm_var_run_t, xdm_var_run_t)
')
########################################
## <summary>
## Read XDM var lib files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_xdm_lib_files',`
gen_require(`
type xdm_var_lib_t;
')
allow $1 xdm_var_lib_t:file read_file_perms;
')
########################################
## <summary>
## Make an X session script an entrypoint for the specified domain.
## </summary>
## <param name="domain">
## <summary>
## The domain for which the shell is an entrypoint.
## </summary>
## </param>
#
interface(`xserver_xsession_entry_type',`
gen_require(`
type xsession_exec_t;
')
domain_entry_file($1, xsession_exec_t)
')
########################################
## <summary>
## Execute an X session in the target domain. This
## is an explicit transition, requiring the
## caller to use setexeccon().
## </summary>
## <desc>
## <p>
## Execute an Xsession in the target domain. This
## is an explicit transition, requiring the
## caller to use setexeccon().
## </p>
## <p>
## No interprocess communication (signals, pipes,
## etc.) is provided by this interface since
## the domains are not owned by this module.
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
## <param name="target_domain">
## <summary>
## The type of the shell process.
## </summary>
## </param>
#
interface(`xserver_xsession_spec_domtrans',`
gen_require(`
type xsession_exec_t;
')
domain_trans($1, xsession_exec_t, $2)
')
########################################
## <summary>
## Get the attributes of X server logs.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_getattr_log',`
gen_require(`
type xserver_log_t;
')
logging_search_logs($1)
allow $1 xserver_log_t:file getattr_file_perms;
')
########################################
## <summary>
## Do not audit attempts to write the X server
## log files.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_write_log',`
gen_require(`
type xserver_log_t;
')
dontaudit $1 xserver_log_t:file rw_inherited_file_perms;
')
########################################
## <summary>
## Delete X server log files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_delete_log',`
gen_require(`
type xserver_log_t;
')
logging_search_logs($1)
allow $1 xserver_log_t:dir list_dir_perms;
delete_files_pattern($1, xserver_log_t, xserver_log_t)
delete_fifo_files_pattern($1, xserver_log_t, xserver_log_t)
')
########################################
## <summary>
## Read X keyboard extension libraries.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_xkb_libs',`
gen_require(`
type xkb_var_lib_t;
')
files_search_var_lib($1)
allow $1 xkb_var_lib_t:dir list_dir_perms;
read_files_pattern($1, xkb_var_lib_t, xkb_var_lib_t)
read_lnk_files_pattern($1, xkb_var_lib_t, xkb_var_lib_t)
')
########################################
## <summary>
## Read xdm config files.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit
## </summary>
## </param>
#
interface(`xserver_read_xdm_etc_files',`
gen_require(`
type xdm_etc_t;
')
files_search_etc($1)
read_files_pattern($1, xdm_etc_t, xdm_etc_t)
')
########################################
## <summary>
## Manage xdm config files.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit
## </summary>
## </param>
#
interface(`xserver_manage_xdm_etc_files',`
gen_require(`
type xdm_etc_t;
')
files_search_etc($1)
manage_files_pattern($1, xdm_etc_t, xdm_etc_t)
')
########################################
## <summary>
## Read xdm temporary files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_xdm_tmp_files',`
gen_require(`
type xdm_tmp_t;
')
files_search_tmp($1)
read_files_pattern($1, xdm_tmp_t, xdm_tmp_t)
')
########################################
## <summary>
## Do not audit attempts to read xdm temporary files.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_read_xdm_tmp_files',`
gen_require(`
type xdm_tmp_t;
')
dontaudit $1 xdm_tmp_t:dir search_dir_perms;
dontaudit $1 xdm_tmp_t:file read_file_perms;
')
########################################
## <summary>
## Read write xdm temporary files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_rw_xdm_tmp_files',`
gen_require(`
type xdm_tmp_t;
')
allow $1 xdm_tmp_t:dir search_dir_perms;
allow $1 xdm_tmp_t:file rw_file_perms;
')
########################################
## <summary>
## Create, read, write, and delete xdm temporary files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_manage_xdm_tmp_files',`
gen_require(`
type xdm_tmp_t;
')
manage_files_pattern($1, xdm_tmp_t, xdm_tmp_t)
')
########################################
## <summary>
## Do not audit attempts to get the attributes of
## xdm temporary named sockets.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_getattr_xdm_tmp_sockets',`
gen_require(`
type xdm_tmp_t;
')
dontaudit $1 xdm_tmp_t:sock_file getattr_sock_file_perms;
')
########################################
## <summary>
## Execute the X server in the X server domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`xserver_domtrans',`
gen_require(`
type xserver_t, xserver_exec_t;
')
allow $1 xserver_t:process siginh;
domtrans_pattern($1, xserver_exec_t, xserver_t)
allow xserver_t $1:process getpgid;
')
########################################
## <summary>
## Signal X servers
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_signal',`
gen_require(`
type xserver_t;
')
allow $1 xserver_t:process signal;
')
########################################
## <summary>
## Kill X servers
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_kill',`
gen_require(`
type xserver_t;
')
allow $1 xserver_t:process sigkill;
')
########################################
## <summary>
## Read and write X server Sys V Shared
## memory segments.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_rw_shm',`
gen_require(`
type xserver_t;
')
allow $1 xserver_t:shm rw_shm_perms;
')
########################################
## <summary>
## Do not audit attempts to read and write to
## X server sockets.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_rw_tcp_sockets',`
gen_require(`
type xserver_t;
')
dontaudit $1 xserver_t:tcp_socket { read write };
')
########################################
## <summary>
## Do not audit attempts to read and write X server
## unix domain stream sockets.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`xserver_dontaudit_rw_stream_sockets',`
gen_require(`
type xserver_t;
')
dontaudit $1 xserver_t:unix_stream_socket { read write };
')
########################################
## <summary>
## Connect to the X server over a unix domain
## stream socket.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_stream_connect',`
gen_require(`
type xserver_t, xserver_tmp_t;
')
files_search_tmp($1)
stream_connect_pattern($1, xserver_tmp_t, xserver_tmp_t, xserver_t)
allow xserver_t $1:shm rw_shm_perms;
')
########################################
## <summary>
## Read X server temporary files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_tmp_files',`
gen_require(`
type xserver_tmp_t;
')
allow $1 xserver_tmp_t:file read_file_perms;
files_search_tmp($1)
')
########################################
## <summary>
## Interface to provide X object permissions on a given X server to
## an X client domain. Gives the domain permission to read the
## virtual core keyboard and virtual core pointer devices.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_manage_core_devices',`
gen_require(`
type xserver_t, root_xdrawable_t;
class x_device all_x_device_perms;
class x_pointer all_x_pointer_perms;
class x_keyboard all_x_keyboard_perms;
class x_screen all_x_screen_perms;
class x_drawable { manage };
attribute x_domain;
class x_drawable { read manage setattr show };
class x_resource { write read };
')
allow $1 xserver_t:{ x_device x_pointer x_keyboard } *;
allow $1 xserver_t:{ x_screen } setattr;
allow $1 x_domain:x_drawable { read manage setattr show };
allow $1 x_domain:x_resource { write read };
allow $1 root_xdrawable_t:x_drawable { manage read };
')
########################################
## <summary>
## Interface to provide X object permissions on a given X server to
## an X client domain. Gives the domain complete control over the
## display.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_unconfined',`
gen_require(`
attribute x_domain, xserver_unconfined_type;
')
typeattribute $1 x_domain;
typeattribute $1 xserver_unconfined_type;
')
########################################
## <summary>
## Dontaudit append to .xsession-errors file
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit
## </summary>
## </param>
#
interface(`xserver_dontaudit_append_xdm_home_files',`
gen_require(`
type xdm_home_t, xserver_tmp_t;
')
dontaudit $1 xdm_home_t:file rw_inherited_file_perms;
dontaudit $1 xserver_tmp_t:file rw_inherited_file_perms;
tunable_policy(`use_nfs_home_dirs',`
fs_dontaudit_rw_nfs_files($1)
')
tunable_policy(`use_samba_home_dirs',`
fs_dontaudit_rw_cifs_files($1)
')
')
########################################
## <summary>
## append to .xsession-errors file
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit
## </summary>
## </param>
#
interface(`xserver_append_xdm_home_files',`
gen_require(`
type xdm_home_t, xserver_tmp_t;
')
allow $1 xdm_home_t:file append_file_perms;
allow $1 xserver_tmp_t:file append_file_perms;
tunable_policy(`use_nfs_home_dirs',`
fs_append_nfs_files($1)
')
tunable_policy(`use_samba_home_dirs',`
fs_append_cifs_files($1)
')
')
########################################
## <summary>
## Manage the xdm_spool files
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_xdm_manage_spool',`
gen_require(`
type xdm_spool_t;
')
files_search_spool($1)
manage_files_pattern($1, xdm_spool_t, xdm_spool_t)
')
########################################
## <summary>
## Send and receive messages from
## xdm over dbus.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_dbus_chat_xdm',`
gen_require(`
type xdm_t;
class dbus send_msg;
')
allow $1 xdm_t:dbus send_msg;
allow xdm_t $1:dbus send_msg;
')
########################################
## <summary>
## Read xserver files created in /var/run
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_pid',`
gen_require(`
type xserver_var_run_t;
')
files_search_pids($1)
read_files_pattern($1, xserver_var_run_t, xserver_var_run_t)
')
########################################
## <summary>
## Execute xserver files created in /var/run
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_exec_pid',`
gen_require(`
type xserver_var_run_t;
')
files_search_pids($1)
exec_files_pattern($1, xserver_var_run_t, xserver_var_run_t)
')
########################################
## <summary>
## Write xserver files created in /var/run
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_write_pid',`
gen_require(`
type xserver_var_run_t;
')
files_search_pids($1)
write_files_pattern($1, xserver_var_run_t, xserver_var_run_t)
')
########################################
## <summary>
## Allow append the xdm
## log files.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit
## </summary>
## </param>
#
interface(`xserver_xdm_append_log',`
gen_require(`
type xdm_log_t;
attribute xdmhomewriter;
')
typeattribute $1 xdmhomewriter;
append_files_pattern($1, xdm_log_t, xdm_log_t)
')
########################################
## <summary>
## Read a user Iceauthority domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_read_user_iceauth',`
gen_require(`
type iceauth_home_t;
')
# Read .Iceauthority file
allow $1 iceauth_home_t:file read_file_perms;
')
########################################
## <summary>
## Read user homedir fonts.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_rw_inherited_user_fonts',`
gen_require(`
type user_fonts_t, user_fonts_config_t;
')
allow $1 user_fonts_t:file rw_inherited_file_perms;
allow $1 user_fonts_t:file read_lnk_file_perms;
allow $1 user_fonts_config_t:file rw_inherited_file_perms;
')
########################################
## <summary>
## Search XDM var lib dirs.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`xserver_search_xdm_lib',`
gen_require(`
type xdm_var_lib_t;
')
allow $1 xdm_var_lib_t:dir search_dir_perms;
')
########################################
## <summary>
## Make an X executable an entrypoint for the specified domain.
## </summary>
## <param name="domain">
## <summary>
## The domain for which the shell is an entrypoint.
## </summary>
## </param>
#
interface(`xserver_entry_type',`
gen_require(`
type xserver_exec_t;
')
domain_entry_file($1, xserver_exec_t)
')
########################################
## <summary>
## Execute xsever in the xserver domain, and
## allow the specified role the xserver domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed the xserver domain.
## </summary>
## </param>
## <rolecap/>
#
interface(`xserver_run',`
gen_require(`
type xserver_t;
')
xserver_domtrans($1)
role $2 types xserver_t;
')
########################################
## <summary>
## Execute xsever in the xserver domain, and
## allow the specified role the xserver domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed the xserver domain.
## </summary>
## </param>
## <rolecap/>
#
interface(`xserver_run_xauth',`
gen_require(`
type xauth_t;
')
xserver_domtrans_xauth($1)
role $2 types xauth_t;
')
########################################
## <summary>
## Read user homedir fonts.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`xserver_manage_home_fonts',`
gen_require(`
type user_fonts_t, user_fonts_config_t;
')
manage_dirs_pattern($1, user_fonts_t, user_fonts_t)
manage_files_pattern($1, user_fonts_t, user_fonts_t)
manage_lnk_files_pattern($1, user_fonts_t, user_fonts_t)
manage_files_pattern($1, user_fonts_config_t, user_fonts_config_t)
')