policy_module(xserver, 3.19.2) 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 # ## ##

## Allows clients to write to the X server shared ## memory segments. ##

##
gen_tunable(allow_write_xshm, false) ## ##

## Allow xdm logins as sysadm ##

##
gen_tunable(xdm_sysadm_login, false) ## ##

## Use gnome-shell in gdm mode as the ## X Display Manager (XDM) ##

##
gen_tunable(xserver_gnome_xdm, false) ## ##

## Support X userspace object manager ##

##
gen_tunable(xserver_object_manager, false) attribute x_domain; # X Events attribute xevent_type; attribute input_xevent_type; type xevent_t, xevent_type; type client_xevent_t, xevent_type; 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) 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; userdom_user_home_content(user_fonts_t) type user_fonts_cache_t; xdg_cache_content(user_fonts_cache_t) type user_fonts_config_t; userdom_user_home_content(user_fonts_config_t) type iceauth_t; type iceauth_exec_t; userdom_user_application_domain(iceauth_t, iceauth_exec_t) type iceauth_home_t; userdom_user_home_content(iceauth_home_t) userdom_user_runtime_content(iceauth_home_t) type xauth_t; type xauth_exec_t; userdom_manage_user_tmp_dirs(xauth_t) userdom_user_application_domain(xauth_t, xauth_exec_t) type xauth_home_t; userdom_user_home_content(xauth_home_t) type 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_runtime_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) 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; init_system_domain(xserver_t, xserver_exec_t) ubac_constrained(xserver_t) type xserver_tmp_t; userdom_user_tmp_file(xserver_tmp_t) type 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) userdom_user_runtime_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_runtime(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_runtime_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_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_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_runtime_dirs(xdm_t) auth_manage_pam_runtime_files(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(` 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(` colord_dbus_chat(xdm_t) ') optional_policy(` consolekit_dbus_chat(xdm_t) ') optional_policy(` devicekit_dbus_chat_power(xdm_t) ') optional_policy(` systemd_read_logind_runtime_files(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(` plymouthd_domtrans_plymouth(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_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_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) # 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_runtime(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_runtime_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 };