policy/modules/services/xserver.te

   1 policy_module(xserver, 3.5.6)
   2
   3 gen_require(`
   4         class x_drawable all_x_drawable_perms;
   5         class x_screen all_x_screen_perms;
   6         class x_gc all_x_gc_perms;
   7         class x_font all_x_font_perms;
   8         class x_colormap all_x_colormap_perms;
   9         class x_property all_x_property_perms;
  10         class x_selection all_x_selection_perms;
  11         class x_cursor all_x_cursor_perms;
  12         class x_client all_x_client_perms;
  13         class x_device all_x_device_perms;
  14         class x_pointer all_x_pointer_perms;
  15         class x_keyboard all_x_keyboard_perms;
  16         class x_server all_x_server_perms;
  17         class x_extension all_x_extension_perms;
  18         class x_resource all_x_resource_perms;
  19         class x_event all_x_event_perms;
  20         class x_synthetic_event all_x_synthetic_event_perms;
  21 ')
  22
  23 ########################################
  24 #
  25 # Declarations
  26 #
  27
  28 ## <desc>
  29 ##      <p>
  30 ##      Allows clients to write to the X server shared
  31 ##      memory segments.
  32 ##      </p>
  33 ## </desc>
  34 gen_tunable(allow_write_xshm, false)
  35
  36 ## <desc>
  37 ##      <p>
  38 ##      Allows XServer to execute writable memory
  39 ##      </p>
  40 ## </desc>
  41 gen_tunable(allow_xserver_execmem, false)
  42
  43 ## <desc>
  44 ## <p>
  45 ## Allow the graphical login program to execute bootloader
  46 ## </p>
  47 ## </desc>
  48 gen_tunable(xdm_exec_bootloader, false)
  49
  50 ## <desc>
  51 ##      <p>
  52 ##      Allow the graphical login program to login directly as sysadm_r:sysadm_t
  53 ##      </p>
  54 ## </desc>
  55 gen_tunable(xdm_sysadm_login, false)
  56
  57 ## <desc>
  58 ##      <p>
  59 ##      Support X userspace object manager
  60 ##      </p>
  61 ## </desc>
  62 gen_tunable(xserver_object_manager, false)
  63
  64 ## <desc>
  65 ##      <p>
  66 ##      Allow regular users direct dri device access
  67 ##      </p>
  68 ## </desc>
  69 gen_tunable(user_direct_dri, false)
  70
  71 attribute xdmhomewriter;
  72 attribute x_userdomain;
  73 attribute x_domain;
  74
  75 # X Events
  76 attribute xevent_type;
  77 attribute input_xevent_type;
  78 type xevent_t, xevent_type;
  79 typealias xevent_t alias { user_property_xevent_t staff_property_xevent_t sysadm_property_xevent_t };
  80 typealias xevent_t alias { auditadm_property_xevent_t secadm_property_xevent_t };
  81 typealias xevent_t alias { user_focus_xevent_t staff_focus_xevent_t sysadm_focus_xevent_t };
  82 typealias xevent_t alias { auditadm_focus_xevent_t secadm_focus_xevent_t };
  83 typealias xevent_t alias { user_manage_xevent_t staff_manage_xevent_t sysadm_manage_xevent_t };
  84 typealias xevent_t alias { auditadm_manage_xevent_t secadm_manage_xevent_t };
  85 typealias xevent_t alias { user_default_xevent_t staff_default_xevent_t sysadm_default_xevent_t };
  86 typealias xevent_t alias { auditadm_default_xevent_t secadm_default_xevent_t };
  87
  88 type client_xevent_t, xevent_type;
  89 typealias client_xevent_t alias { user_client_xevent_t staff_client_xevent_t sysadm_client_xevent_t };
  90 typealias client_xevent_t alias { auditadm_client_xevent_t secadm_client_xevent_t };
  91
  92 type input_xevent_t, xevent_type, input_xevent_type;
  93
  94 # X Extensions
  95 attribute xextension_type;
  96 type xextension_t, xextension_type;
  97 type security_xextension_t, xextension_type;
  98
  99 # X Properties
 100 attribute xproperty_type;
 101 type xproperty_t, xproperty_type;
 102 type seclabel_xproperty_t, xproperty_type;
 103 type clipboard_xproperty_t, xproperty_type;
 104
 105 # X Selections
 106 attribute xselection_type;
 107 type xselection_t, xselection_type;
 108 type clipboard_xselection_t, xselection_type;
 109 #type settings_xselection_t, xselection_type;
 110 #type dbus_xselection_t, xselection_type;
 111
 112 # X Drawables
 113 attribute xdrawable_type;
 114 attribute xcolormap_type;
 115 type root_xdrawable_t, xdrawable_type;
 116 type root_xcolormap_t, xcolormap_type;
 117
 118 attribute xserver_unconfined_type;
 119
 120 xserver_object_types_template(root)
 121 xserver_object_types_template(user)
 122
 123 typealias user_xproperty_t alias { staff_xproperty_t sysadm_xproperty_t };
 124 typealias user_xproperty_t alias { auditadm_xproperty_t secadm_xproperty_t };
 125 typealias user_input_xevent_t alias { staff_input_xevent_t sysadm_input_xevent_t };
 126 typealias user_input_xevent_t alias { auditadm_input_xevent_t secadm_input_xevent_t };
 127
 128 type remote_t;
 129 xserver_object_types_template(remote)
 130 xserver_common_x_domain_template(remote, remote_t)
 131
 132 type user_fonts_t;
 133 typealias user_fonts_t alias { staff_fonts_t sysadm_fonts_t };
 134 typealias user_fonts_t alias { auditadm_fonts_t secadm_fonts_t };
 135 typealias user_fonts_t alias { xguest_fonts_t unconfined_fonts_t user_fonts_home_t };
 136 userdom_user_home_content(user_fonts_t)
 137
 138 type user_fonts_cache_t;
 139 typealias user_fonts_cache_t alias { staff_fonts_cache_t sysadm_fonts_cache_t };
 140 typealias user_fonts_cache_t alias { auditadm_fonts_cache_t secadm_fonts_cache_t };
 141 typealias user_fonts_cache_t alias { xguest_fonts_cache_t unconfined_fonts_cache_t };
 142 userdom_user_home_content(user_fonts_cache_t)
 143
 144 type user_fonts_config_t;
 145 typealias user_fonts_config_t alias { staff_fonts_config_t sysadm_fonts_config_t };
 146 typealias user_fonts_config_t alias { auditadm_fonts_config_t secadm_fonts_config_t };
 147 typealias user_fonts_config_t alias { fonts_config_home_t xguest_fonts_config_t unconfined_fonts_config_t };
 148 userdom_user_home_content(user_fonts_config_t)
 149
 150 type iceauth_t;
 151 type iceauth_exec_t;
 152 typealias iceauth_t alias { user_iceauth_t staff_iceauth_t sysadm_iceauth_t };
 153 typealias iceauth_t alias { xguest_iceauth_t };
 154 typealias iceauth_t alias { auditadm_iceauth_t secadm_iceauth_t };
 155 application_domain(iceauth_t, iceauth_exec_t)
 156 ubac_constrained(iceauth_t)
 157
 158 type iceauth_home_t;
 159 typealias iceauth_home_t alias { user_iceauth_home_t staff_iceauth_home_t sysadm_iceauth_home_t };
 160 typealias iceauth_home_t alias { auditadm_iceauth_home_t secadm_iceauth_home_t };
 161 typealias iceauth_home_t alias { xguest_iceauth_home_t };
 162 userdom_user_home_content(iceauth_home_t)
 163
 164 type xauth_t;
 165 type xauth_exec_t;
 166 typealias xauth_t alias { user_xauth_t staff_xauth_t sysadm_xauth_t };
 167 typealias xauth_t alias { auditadm_xauth_t secadm_xauth_t };
 168 typealias xauth_t alias { xguest_xauth_t unconfined_xauth_t };
 169 application_domain(xauth_t, xauth_exec_t)
 170 ubac_constrained(xauth_t)
 171
 172 type xauth_home_t;
 173 typealias xauth_home_t alias { user_xauth_home_t staff_xauth_home_t sysadm_xauth_home_t };
 174 typealias xauth_home_t alias { auditadm_xauth_home_t secadm_xauth_home_t };
 175 typealias xauth_home_t alias { xguest_xauth_home_t unconfined_xauth_home_t };
 176 userdom_user_home_content(xauth_home_t)
 177
 178 type xauth_tmp_t;
 179 typealias xauth_tmp_t alias { user_xauth_tmp_t staff_xauth_tmp_t sysadm_xauth_tmp_t };
 180 typealias xauth_tmp_t alias { xguest_xauth_tmp_t unconfined_xauth_tmp_t };
 181 typealias xauth_tmp_t alias { auditadm_xauth_tmp_t secadm_xauth_tmp_t };
 182 files_tmp_file(xauth_tmp_t)
 183 ubac_constrained(xauth_tmp_t)
 184
 185 # this is not actually a device, its a pipe
 186 type xconsole_device_t;
 187 files_type(xconsole_device_t)
 188 fs_associate_tmpfs(xconsole_device_t)
 189 files_associate_tmp(xconsole_device_t)
 190
 191 type xdm_t;
 192 type xdm_exec_t;
 193 auth_login_pgm_domain(xdm_t)
 194 init_domain(xdm_t, xdm_exec_t)
 195 init_system_domain(xdm_t, xdm_exec_t)
 196 xserver_object_types_template(xdm)
 197 xserver_common_x_domain_template(xdm, xdm_t)
 198
 199 type xdm_lock_t;
 200 files_lock_file(xdm_lock_t)
 201
 202 type xdm_etc_t;
 203 files_config_file(xdm_etc_t)
 204
 205 type xdm_rw_etc_t;
 206 files_config_file(xdm_rw_etc_t)
 207
 208 type xdm_spool_t;
 209 files_spool_file(xdm_spool_t)
 210
 211 type xdm_var_lib_t;
 212 files_type(xdm_var_lib_t)
 213
 214 type xdm_var_run_t;
 215 files_pid_file(xdm_var_run_t)
 216
 217 type xserver_var_lib_t;
 218 files_type(xserver_var_lib_t)
 219
 220 type xserver_var_run_t;
 221 files_pid_file(xserver_var_run_t)
 222
 223 type xdm_tmp_t;
 224 files_tmp_file(xdm_tmp_t)
 225 typealias xdm_tmp_t alias { xserver_tmp_t user_xserver_tmp_t staff_xserver_tmp_t sysadm_xserver_tmp_t ice_tmp_t };
 226 typealias xdm_tmp_t alias { auditadm_xserver_tmp_t secadm_xserver_tmp_t xdm_xserver_tmp_t };
 227 ubac_constrained(xdm_tmp_t)
 228
 229 type xdm_tmpfs_t;
 230 files_tmpfs_file(xdm_tmpfs_t)
 231
 232 type xdm_home_t;
 233 userdom_user_home_content(xdm_home_t)
 234
 235 type xdm_log_t;
 236 logging_log_file(xdm_log_t)
 237
 238 # type for /var/lib/xkb
 239 type xkb_var_lib_t;
 240 files_type(xkb_var_lib_t)
 241
 242 # Type for the executable used to start the X server, e.g. Xwrapper.
 243 type xserver_t;
 244 type xserver_exec_t;
 245 typealias xserver_t alias { user_xserver_t staff_xserver_t sysadm_xserver_t };
 246 typealias xserver_t alias { auditadm_xserver_t secadm_xserver_t xdm_xserver_t };
 247 init_system_domain(xserver_t, xserver_exec_t)
 248 ubac_constrained(xserver_t)
 249
 250 type xserver_tmpfs_t;
 251 typealias xserver_tmpfs_t alias { user_xserver_tmpfs_t staff_xserver_tmpfs_t sysadm_xserver_tmpfs_t xguest_xserver_tmpfs_t unconfined_xserver_tmpfs_t xdm_xserver_tmpfs_t };
 252 typealias xserver_tmpfs_t alias { auditadm_xserver_tmpfs_t secadm_xserver_tmpfs_t };
 253 files_tmpfs_file(xserver_tmpfs_t)
 254 ubac_constrained(xserver_tmpfs_t)
 255
 256 type xsession_exec_t;
 257 corecmd_executable_file(xsession_exec_t)
 258
 259 # Type for the X server log file.
 260 type xserver_log_t;
 261 logging_log_file(xserver_log_t)
 262
 263 ifdef(`enable_mcs',`
 264         init_ranged_domain(xdm_t, xdm_exec_t, s0 - mcs_systemhigh)
 265         init_ranged_daemon_domain(xdm_t, xdm_exec_t, s0 - mcs_systemhigh)
 266 ')
 267
 268 optional_policy(`
 269         prelink_object_file(xkb_var_lib_t)
 270 ')
 271
 272 ########################################
 273 #
 274 # Iceauth local policy
 275 #
 276
 277 allow iceauth_t iceauth_home_t:file manage_file_perms;
 278 userdom_user_home_dir_filetrans(iceauth_t, iceauth_home_t, file)
 279
 280 allow xdm_t iceauth_home_t:file read_file_perms;
 281
 282 dev_read_rand(iceauth_t)
 283
 284 fs_search_auto_mountpoints(iceauth_t)
 285
 286 userdom_use_inherited_user_terminals(iceauth_t)
 287 userdom_read_user_tmp_files(iceauth_t)
 288 userdom_read_all_users_state(iceauth_t)
 289
 290 tunable_policy(`use_fusefs_home_dirs',`
 291         fs_manage_fusefs_files(iceauth_t)
 292 ')
 293
 294 tunable_policy(`use_nfs_home_dirs',`
 295         fs_manage_nfs_files(iceauth_t)
 296 ')
 297
 298 tunable_policy(`use_samba_home_dirs',`
 299         fs_manage_cifs_files(iceauth_t)
 300 ')
 301
 302 ifdef(`hide_broken_symptoms',`
 303         dev_dontaudit_read_urand(iceauth_t)
 304         dev_dontaudit_rw_dri(iceauth_t)
 305         dev_dontaudit_rw_generic_dev_nodes(iceauth_t)
 306         fs_dontaudit_list_inotifyfs(iceauth_t)
 307         fs_dontaudit_rw_anon_inodefs_files(iceauth_t)
 308         term_dontaudit_use_unallocated_ttys(iceauth_t)
 309
 310         userdom_dontaudit_read_user_home_content_files(iceauth_t)
 311         userdom_dontaudit_write_user_home_content_files(iceauth_t)
 312         userdom_dontaudit_write_user_tmp_files(iceauth_t)
 313
 314         optional_policy(`
 315                 mozilla_dontaudit_rw_user_home_files(iceauth_t)
 316         ')
 317 ')
 318
 319 ########################################
 320 #
 321 # Xauth local policy
 322 #
 323
 324 allow xauth_t self:capability dac_override;
 325 allow xauth_t self:process signal;
 326 allow xauth_t self:shm create_shm_perms;
 327 allow xauth_t self:unix_stream_socket create_stream_socket_perms;
 328 allow xauth_t self:unix_dgram_socket create_socket_perms;
 329
 330 allow xauth_t xdm_t:process sigchld;
 331 allow xauth_t xserver_t:unix_stream_socket connectto;
 332
 333 corenet_tcp_connect_xserver_port(xauth_t)
 334
 335 allow xauth_t xauth_home_t:file manage_file_perms;
 336 userdom_user_home_dir_filetrans(xauth_t, xauth_home_t, file)
 337 userdom_admin_home_dir_filetrans(xauth_t, xauth_home_t, file)
 338
 339 manage_dirs_pattern(xauth_t, xdm_var_run_t, xdm_var_run_t)
 340 manage_files_pattern(xauth_t, xdm_var_run_t, xdm_var_run_t)
 341
 342 manage_dirs_pattern(xauth_t, xauth_tmp_t, xauth_tmp_t)
 343 manage_files_pattern(xauth_t, xauth_tmp_t, xauth_tmp_t)
 344 files_tmp_filetrans(xauth_t, xauth_tmp_t, { file dir })
 345
 346 stream_connect_pattern(xauth_t, xserver_tmp_t, xserver_tmp_t, xserver_t)
 347
 348 kernel_read_network_state(xauth_t)
 349 kernel_read_system_state(xauth_t)
 350 kernel_request_load_module(xauth_t)
 351
 352 domain_use_interactive_fds(xauth_t)
 353 domain_dontaudit_leaks(xauth_t)
 354
 355 files_read_etc_files(xauth_t)
 356 files_read_usr_files(xauth_t)
 357 files_search_pids(xauth_t)
 358 files_dontaudit_getattr_all_dirs(xauth_t)
 359 files_dontaudit_leaks(xauth_t)
 360 files_var_lib_filetrans(xauth_t, xauth_home_t, file)
 361
 362 fs_dontaudit_leaks(xauth_t)
 363 fs_getattr_all_fs(xauth_t)
 364 fs_search_auto_mountpoints(xauth_t)
 365
 366 # Probably a leak
 367 term_dontaudit_use_ptmx(xauth_t)
 368 term_dontaudit_use_console(xauth_t)
 369
 370 auth_use_nsswitch(xauth_t)
 371
 372 userdom_use_inherited_user_terminals(xauth_t)
 373 userdom_read_user_tmp_files(xauth_t)
 374 userdom_read_all_users_state(xauth_t)
 375
 376 xserver_rw_xdm_tmp_files(xauth_t)
 377
 378 ifdef(`hide_broken_symptoms',`
 379         fs_dontaudit_rw_anon_inodefs_files(xauth_t)
 380         fs_dontaudit_list_inotifyfs(xauth_t)
 381         userdom_manage_user_home_content_files(xauth_t)
 382         userdom_manage_user_tmp_files(xauth_t)
 383         dev_dontaudit_rw_generic_dev_nodes(xauth_t)
 384         miscfiles_read_fonts(xauth_t)
 385 ')
 386
 387 tunable_policy(`use_fusefs_home_dirs',`
 388         fs_manage_fusefs_files(xauth_t)
 389 ')
 390
 391 tunable_policy(`use_nfs_home_dirs',`
 392         fs_manage_nfs_files(xauth_t)
 393         fs_read_nfs_symlinks(xauth_t)
 394 ')
 395
 396 tunable_policy(`use_samba_home_dirs',`
 397         fs_manage_cifs_files(xauth_t)
 398 ')
 399
 400 ifdef(`hide_broken_symptoms',`
 401         term_dontaudit_use_unallocated_ttys(xauth_t)
 402         dev_dontaudit_rw_dri(xauth_t)
 403 ')
 404
 405 optional_policy(`
 406         nx_var_lib_filetrans(xauth_t, xauth_home_t, file)
 407 ')
 408
 409 optional_policy(`
 410         ssh_sigchld(xauth_t)
 411         ssh_read_pipes(xauth_t)
 412         ssh_dontaudit_rw_tcp_sockets(xauth_t)
 413 ')
 414
 415 ########################################
 416 #
 417 # XDM Local policy
 418 #
 419
 420 allow xdm_t self:capability { setgid setuid sys_resource kill sys_tty_config mknod chown dac_override dac_read_search fowner fsetid ipc_owner sys_nice sys_rawio net_bind_service };
 421
 422 allow xdm_t self:process { setexec setpgid getattr getcap setcap getsched getsession setsched setrlimit signal_perms setkeycreate };
 423 tunable_policy(`deny_ptrace',`',`
 424         allow xdm_t self:process ptrace;
 425 ')
 426
 427 allow xdm_t self:fifo_file rw_fifo_file_perms;
 428 allow xdm_t self:shm create_shm_perms;
 429 allow xdm_t self:sem create_sem_perms;
 430 allow xdm_t self:unix_stream_socket { connectto create_stream_socket_perms };
 431 allow xdm_t self:unix_dgram_socket { create_socket_perms sendto };
 432 allow xdm_t self:tcp_socket create_stream_socket_perms;
 433 allow xdm_t self:udp_socket create_socket_perms;
 434 allow xdm_t self:netlink_kobject_uevent_socket create_socket_perms;
 435 allow xdm_t self:socket create_socket_perms;
 436 allow xdm_t self:appletalk_socket create_socket_perms;
 437 allow xdm_t self:key { search link write };
 438
 439 allow xdm_t xauth_home_t:file manage_file_perms;
 440
 441 allow xdm_t xconsole_device_t:fifo_file { getattr_fifo_file_perms setattr_fifo_file_perms };
 442 manage_dirs_pattern(xdm_t, xkb_var_lib_t, xkb_var_lib_t)
 443 manage_files_pattern(xdm_t, xkb_var_lib_t, xkb_var_lib_t)
 444
 445 manage_files_pattern(xdm_t, xdm_home_t, xdm_home_t)
 446 userdom_user_home_dir_filetrans(xdm_t, xdm_home_t, file)
 447 userdom_admin_home_dir_filetrans(xdm_t, xdm_home_t, file)
 448 xserver_filetrans_home_content(xdm_t)
 449 xserver_filetrans_admin_home_content(xdm_t)
 450
 451 #Handle mislabeled files in homedir
 452 userdom_delete_user_home_content_files(xdm_t)
 453 userdom_signull_unpriv_users(xdm_t)
 454 userdom_dontaudit_read_admin_home_lnk_files(xdm_t)
 455
 456 # Allow gdm to run gdm-binary
 457 can_exec(xdm_t, xdm_exec_t)
 458
 459 allow xdm_t xdm_lock_t:file manage_file_perms;
 460 files_lock_filetrans(xdm_t, xdm_lock_t, file)
 461
 462 read_lnk_files_pattern(xdm_t, xdm_etc_t, xdm_etc_t)
 463 read_files_pattern(xdm_t, xdm_etc_t, xdm_etc_t)
 464 # wdm has its own config dir /etc/X11/wdm
 465 # this is ugly, daemons should not create files under /etc!
 466 manage_files_pattern(xdm_t, xdm_rw_etc_t, xdm_rw_etc_t)
 467
 468 manage_dirs_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 469 manage_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 470 manage_lnk_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 471 manage_sock_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 472 files_tmp_filetrans(xdm_t, xdm_tmp_t, { file dir sock_file lnk_file })
 473 relabelfrom_dirs_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 474 relabelfrom_files_pattern(xdm_t, xdm_tmp_t, xdm_tmp_t)
 475 can_exec(xdm_t, xdm_tmp_t)
 476
 477 manage_dirs_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
 478 manage_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
 479 manage_lnk_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
 480 manage_fifo_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
 481 manage_sock_files_pattern(xdm_t, xdm_tmpfs_t, xdm_tmpfs_t)
 482
 483 manage_files_pattern(xdm_t, user_fonts_t, user_fonts_t)
 484
 485 files_search_spool(xdm_t)
 486 manage_dirs_pattern(xdm_t, xdm_spool_t, xdm_spool_t)
 487 manage_files_pattern(xdm_t, xdm_spool_t, xdm_spool_t)
 488 files_spool_filetrans(xdm_t, xdm_spool_t, { file dir })
 489
 490 manage_dirs_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
 491 manage_files_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
 492 manage_lnk_files_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
 493 manage_sock_files_pattern(xdm_t, xdm_var_lib_t, xdm_var_lib_t)
 494 files_var_lib_filetrans(xdm_t, xdm_var_lib_t, { file dir })
 495 # Read machine-id
 496 files_read_var_lib_files(xdm_t)
 497
 498 manage_dirs_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
 499 manage_files_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
 500 manage_fifo_files_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
 501 manage_sock_files_pattern(xdm_t, xdm_var_run_t, xdm_var_run_t)
 502 files_pid_filetrans(xdm_t, xdm_var_run_t, { dir file fifo_file sock_file })
 503
 504 allow xdm_t xserver_t:process { signal signull };
 505 allow xdm_t xserver_t:unix_stream_socket connectto;
 506
 507 allow xdm_t xserver_tmp_t:sock_file rw_sock_file_perms;
 508 allow xdm_t xserver_tmp_t:dir { setattr_dir_perms list_dir_perms };
 509
 510 # transition to the xdm xserver
 511 domtrans_pattern(xdm_t, xserver_exec_t, xserver_t)
 512
 513 ps_process_pattern(xserver_t, xdm_t)
 514 allow xserver_t xdm_t:process signal;
 515 allow xdm_t xserver_t:process { noatsecure siginh rlimitinh signal sigkill };
 516
 517 allow xdm_t xserver_t:shm rw_shm_perms;
 518 read_files_pattern(xdm_t, xserver_t, xserver_t)
 519
 520 # connect to xdm xserver over stream socket
 521 stream_connect_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t, xserver_t)
 522
 523 # Remove /tmp/.X11-unix/X0.
 524 delete_files_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t)
 525 delete_sock_files_pattern(xdm_t, xserver_tmp_t, xserver_tmp_t)
 526
 527 manage_dirs_pattern(xdm_t, xdm_log_t, xdm_log_t)
 528 manage_files_pattern(xdm_t, xdm_log_t, xdm_log_t)
 529 manage_fifo_files_pattern(xdm_t, xdm_log_t, xdm_log_t)
 530 logging_log_filetrans(xdm_t, xdm_log_t, { dir file })
 531
 532 manage_dirs_pattern(xdm_t, xserver_log_t, xserver_log_t)
 533 manage_files_pattern(xdm_t, xserver_log_t, xserver_log_t)
 534 manage_fifo_files_pattern(xdm_t, xserver_log_t, xserver_log_t)
 535
 536 kernel_read_system_state(xdm_t)
 537 kernel_read_device_sysctls(xdm_t)
 538 kernel_read_kernel_sysctls(xdm_t)
 539 kernel_read_net_sysctls(xdm_t)
 540 kernel_read_network_state(xdm_t)
 541 kernel_request_load_module(xdm_t)
 542 kernel_stream_connect(xdm_t)
 543
 544 corecmd_exec_shell(xdm_t)
 545 corecmd_exec_bin(xdm_t)
 546 corecmd_dontaudit_access_all_executables(xdm_t)
 547
 548 corenet_all_recvfrom_unlabeled(xdm_t)
 549 corenet_all_recvfrom_netlabel(xdm_t)
 550 corenet_tcp_sendrecv_generic_if(xdm_t)
 551 corenet_udp_sendrecv_generic_if(xdm_t)
 552 corenet_tcp_sendrecv_generic_node(xdm_t)
 553 corenet_udp_sendrecv_generic_node(xdm_t)
 554 corenet_tcp_sendrecv_all_ports(xdm_t)
 555 corenet_udp_sendrecv_all_ports(xdm_t)
 556 corenet_tcp_bind_generic_node(xdm_t)
 557 corenet_udp_bind_generic_node(xdm_t)
 558 corenet_udp_bind_ipp_port(xdm_t)
 559 corenet_udp_bind_xdmcp_port(xdm_t)
 560 corenet_tcp_connect_all_ports(xdm_t)
 561 corenet_sendrecv_all_client_packets(xdm_t)
 562 # xdm tries to bind to biff_port_t
 563 corenet_dontaudit_tcp_bind_all_ports(xdm_t)
 564
 565 dev_rwx_zero(xdm_t)
 566 dev_read_rand(xdm_t)
 567 dev_rw_sysfs(xdm_t)
 568 dev_getattr_framebuffer_dev(xdm_t)
 569 dev_setattr_framebuffer_dev(xdm_t)
 570 dev_getattr_mouse_dev(xdm_t)
 571 dev_setattr_mouse_dev(xdm_t)
 572 dev_rw_apm_bios(xdm_t)
 573 dev_rw_input_dev(xdm_t)
 574 dev_setattr_apm_bios_dev(xdm_t)
 575 dev_rw_dri(xdm_t)
 576 dev_rw_agp(xdm_t)
 577 dev_getattr_xserver_misc_dev(xdm_t)
 578 dev_setattr_xserver_misc_dev(xdm_t)
 579 dev_rw_xserver_misc(xdm_t)
 580 dev_getattr_misc_dev(xdm_t)
 581 dev_setattr_misc_dev(xdm_t)
 582 dev_dontaudit_rw_misc(xdm_t)
 583 dev_read_video_dev(xdm_t)
 584 dev_write_video_dev(xdm_t)
 585 dev_setattr_video_dev(xdm_t)
 586 dev_getattr_scanner_dev(xdm_t)
 587 dev_setattr_scanner_dev(xdm_t)
 588 dev_read_sound(xdm_t)
 589 dev_write_sound(xdm_t)
 590 dev_getattr_power_mgmt_dev(xdm_t)
 591 dev_setattr_power_mgmt_dev(xdm_t)
 592 dev_getattr_null_dev(xdm_t)
 593 dev_setattr_null_dev(xdm_t)
 594
 595 domain_use_interactive_fds(xdm_t)
 596 # Do not audit denied probes of /proc.
 597 domain_dontaudit_read_all_domains_state(xdm_t)
 598 domain_dontaudit_ptrace_all_domains(xdm_t)
 599 domain_dontaudit_signal_all_domains(xdm_t)
 600 domain_dontaudit_getattr_all_entry_files(xdm_t)
 601
 602 files_read_etc_files(xdm_t)
 603 files_read_var_files(xdm_t)
 604 files_read_etc_runtime_files(xdm_t)
 605 files_exec_etc_files(xdm_t)
 606 files_list_mnt(xdm_t)
 607 # Read /usr/share/terminfo/l/linux and /usr/share/icons/default/index.theme...
 608 files_read_usr_files(xdm_t)
 609 # Poweroff wants to create the /poweroff file when run from xdm
 610 files_create_boot_flag(xdm_t)
 611 files_dontaudit_getattr_boot_dirs(xdm_t)
 612 files_dontaudit_write_usr_files(xdm_t)
 613 files_dontaudit_access_check_etc(xdm_t)
 614 files_dontaudit_getattr_all_dirs(xdm_t)
 615 files_dontaudit_getattr_all_symlinks(xdm_t)
 616 files_dontaudit_getattr_all_tmp_sockets(xdm_t)
 617 files_dontaudit_all_access_check(xdm_t)
 618
 619 fs_getattr_all_fs(xdm_t)
 620 fs_search_auto_mountpoints(xdm_t)
 621 fs_rw_anon_inodefs_files(xdm_t)
 622 fs_mount_tmpfs(xdm_t)
 623 fs_list_inotifyfs(xdm_t)
 624 fs_dontaudit_list_noxattr_fs(xdm_t)
 625 fs_dontaudit_read_noxattr_fs_files(xdm_t)
 626 fs_manage_cgroup_dirs(xdm_t)
 627 fs_manage_cgroup_files(xdm_t)
 628
 629 mls_socket_write_to_clearance(xdm_t)
 630
 631 storage_dontaudit_read_fixed_disk(xdm_t)
 632 storage_dontaudit_write_fixed_disk(xdm_t)
 633 storage_dontaudit_setattr_fixed_disk_dev(xdm_t)
 634 storage_dontaudit_raw_read_removable_device(xdm_t)
 635 storage_dontaudit_raw_write_removable_device(xdm_t)
 636 storage_dontaudit_setattr_removable_dev(xdm_t)
 637 storage_dontaudit_rw_scsi_generic(xdm_t)
 638 storage_dontaudit_rw_fuse(xdm_t)
 639
 640 term_setattr_console(xdm_t)
 641 term_use_console(xdm_t)
 642 term_use_virtio_console(xdm_t)
 643 term_use_unallocated_ttys(xdm_t)
 644 term_setattr_unallocated_ttys(xdm_t)
 645 term_relabel_all_ttys(xdm_t)
 646 term_relabel_unallocated_ttys(xdm_t)
 647
 648 auth_domtrans_pam_console(xdm_t)
 649 auth_manage_pam_pid(xdm_t)
 650 auth_manage_pam_console_data(xdm_t)
 651 auth_signal_pam(xdm_t)
 652 auth_rw_faillog(xdm_t)
 653 auth_write_login_records(xdm_t)
 654
 655 # Run telinit->init to shutdown.
 656 init_telinit(xdm_t)
 657 init_dbus_chat(xdm_t)
 658
 659 libs_exec_lib_files(xdm_t)
 660
 661 logging_read_generic_logs(xdm_t)
 662
 663 miscfiles_search_man_pages(xdm_t)
 664 miscfiles_read_localization(xdm_t)
 665 miscfiles_read_fonts(xdm_t)
 666 miscfiles_manage_fonts_cache(xdm_t)
 667 miscfiles_manage_localization(xdm_t)
 668 miscfiles_read_hwdata(xdm_t)
 669
 670 userdom_dontaudit_use_unpriv_user_fds(xdm_t)
 671 userdom_create_all_users_keys(xdm_t)
 672 # for .dmrc
 673 userdom_read_user_home_content_files(xdm_t)
 674 # Search /proc for any user domain processes.
 675 userdom_read_all_users_state(xdm_t)
 676 userdom_signal_all_users(xdm_t)
 677 userdom_stream_connect(xdm_t)
 678 userdom_manage_user_tmp_dirs(xdm_t)
 679 userdom_manage_user_tmp_files(xdm_t)
 680 userdom_manage_user_tmp_sockets(xdm_t)
 681 userdom_manage_tmpfs_role(system_r, xdm_t)
 682
 683 application_signal(xdm_t)
 684
 685 xserver_rw_session(xdm_t, xdm_tmpfs_t)
 686 xserver_unconfined(xdm_t)
 687 xserver_domtrans_xauth(xdm_t)
 688
 689 ifndef(`distro_redhat',`
 690         allow xdm_t self:process { execheap execmem };
 691 ')
 692
 693 ifdef(`distro_rhel4',`
 694         allow xdm_t self:process { execheap execmem };
 695 ')
 696
 697 tunable_policy(`use_fusefs_home_dirs',`
 698         fs_manage_fusefs_dirs(xdm_t)
 699         fs_manage_fusefs_files(xdm_t)
 700 ')
 701
 702 tunable_policy(`use_nfs_home_dirs',`
 703         fs_manage_nfs_dirs(xdm_t)
 704         fs_manage_nfs_files(xdm_t)
 705         fs_manage_nfs_symlinks(xdm_t)
 706         fs_exec_nfs_files(xdm_t)
 707 ')
 708
 709 tunable_policy(`use_samba_home_dirs',`
 710         fs_manage_cifs_dirs(xdm_t)
 711         fs_manage_cifs_files(xdm_t)
 712         fs_manage_cifs_symlinks(xdm_t)
 713         fs_exec_cifs_files(xdm_t)
 714 ')
 715
 716 optional_policy(`
 717         tunable_policy(`xdm_exec_bootloader',`
 718         bootloader_exec(xdm_t)
 719         files_read_boot_files(xdm_t)
 720         files_read_boot_symlinks(xdm_t)
 721         ')
 722 ')
 723
 724 tunable_policy(`xdm_sysadm_login',`
 725         userdom_xsession_spec_domtrans_all_users(xdm_t)
 726         # FIXME:
 727 #       xserver_rw_session_template(xdm,userdomain)
 728 ',`
 729         userdom_xsession_spec_domtrans_unpriv_users(xdm_t)
 730         # FIXME:
 731 #       xserver_rw_session_template(xdm,unpriv_userdomain)
 732 #       dontaudit xserver_t sysadm_t:shm { unix_read unix_write };
 733 #       allow xserver_t xdm_tmpfs_t:file rw_file_perms;
 734 ')
 735
 736 optional_policy(`
 737         accountsd_read_lib_files(xdm_t)
 738 ')
 739
 740 optional_policy(`
 741         acct_dontaudit_list_data(xdm_t)
 742 ')
 743
 744 optional_policy(`
 745         alsa_domtrans(xdm_t)
 746         alsa_read_rw_config(xdm_t)
 747 ')
 748
 749 optional_policy(`
 750         consolekit_dbus_chat(xdm_t)
 751         consolekit_read_log(xdm_t)
 752 ')
 753
 754 optional_policy(`
 755         consoletype_exec(xdm_t)
 756 ')
 757
 758 optional_policy(`
 759         # Use dbus to start other processes as xdm_t
 760         dbus_role_template(xdm, system_r, xdm_t)
 761
 762         #fixes for xfce4-notifyd
 763         allow xdm_dbusd_t self:unix_stream_socket connectto;
 764         allow xdm_dbusd_t xserver_t:unix_stream_socket connectto;
 765
 766         dontaudit xdm_dbusd_t xdm_var_lib_t:dir search_dir_perms;
 767         xserver_xdm_append_log(xdm_dbusd_t)
 768         xserver_read_xdm_pid(xdm_dbusd_t)
 769
 770         miscfiles_read_fonts(xdm_dbusd_t)
 771
 772         corecmd_bin_entry_type(xdm_t)
 773
 774         dbus_system_bus_client(xdm_t)
 775
 776         optional_policy(`
 777                 bluetooth_dbus_chat(xdm_t)
 778         ')
 779
 780          optional_policy(`
 781                 cpufreqselector_dbus_chat(xdm_t)
 782         ')
 783
 784         optional_policy(`
 785                 devicekit_dbus_chat_disk(xdm_t)
 786                 devicekit_dbus_chat_power(xdm_t)
 787         ')
 788
 789         optional_policy(`
 790                 hal_dbus_chat(xdm_t)
 791         ')
 792
 793         optional_policy(`
 794                 networkmanager_dbus_chat(xdm_t)
 795         ')
 796 ')
 797
 798 optional_policy(`
 799         # Talk to the console mouse server.
 800         gpm_stream_connect(xdm_t)
 801         gpm_setattr_gpmctl(xdm_t)
 802 ')
 803
 804 optional_policy(`
 805         gnome_exec_keyringd(xdm_t)
 806         gnome_manage_config(xdm_t)
 807         gnome_manage_gconf_home_files(xdm_t)
 808         gnome_filetrans_home_content(xdm_t)
 809         gnome_read_config(xdm_t)
 810         gnome_read_usr_config(xdm_t)
 811         gnome_read_gconf_config(xdm_t)
 812         gnome_transition_gkeyringd(xdm_t)
 813 ')
 814
 815 optional_policy(`
 816         hostname_exec(xdm_t)
 817 ')
 818
 819 optional_policy(`
 820         loadkeys_exec(xdm_t)
 821 ')
 822
 823 optional_policy(`
 824         locallogin_signull(xdm_t)
 825 ')
 826
 827 optional_policy(`
 828         # Do not audit attempts to check whether user root has email
 829         mta_dontaudit_getattr_spool_files(xdm_t)
 830 ')
 831
 832 optional_policy(`
 833         policykit_dbus_chat(xdm_t)
 834         policykit_domtrans_auth(xdm_t)
 835         policykit_read_lib(xdm_t)
 836         policykit_read_reload(xdm_t)
 837         policykit_signal_auth(xdm_t)
 838 ')
 839
 840 optional_policy(`
 841         pcscd_stream_connect(xdm_t)
 842 ')
 843
 844 optional_policy(`
 845         plymouthd_search_spool(xdm_t)
 846         plymouthd_exec_plymouth(xdm_t)
 847         plymouthd_stream_connect(xdm_t)
 848         plymouthd_read_log(xdm_t)
 849 ')
 850
 851 optional_policy(`
 852         pulseaudio_exec(xdm_t)
 853         pulseaudio_dbus_chat(xdm_t)
 854         pulseaudio_stream_connect(xdm_t)
 855 ')
 856
 857 optional_policy(`
 858         resmgr_stream_connect(xdm_t)
 859 ')
 860
 861 optional_policy(`
 862     rhev_stream_connect_agentd(xdm_t)
 863         rhev_read_pid_files_agentd(xdm_t)
 864 ')
 865
 866 # On crash gdm execs gdb to dump stack
 867 optional_policy(`
 868         rpm_exec(xdm_t)
 869         rpm_read_db(xdm_t)
 870         rpm_dontaudit_manage_db(xdm_t)
 871         rpm_dontaudit_dbus_chat(xdm_t)
 872 ')
 873
 874 optional_policy(`
 875         rtkit_scheduled(xdm_t)
 876 ')
 877
 878 optional_policy(`
 879         seutil_sigchld_newrole(xdm_t)
 880 ')
 881
 882 optional_policy(`
 883         ssh_signull(xdm_t)
 884 ')
 885
 886 optional_policy(`
 887         shutdown_domtrans(xdm_t)
 888 ')
 889
 890 optional_policy(`
 891         udev_read_db(xdm_t)
 892 ')
 893
 894 optional_policy(`
 895         unconfined_signal(xdm_t)
 896 ')
 897
 898 optional_policy(`
 899         userhelper_dontaudit_search_config(xdm_t)
 900 ')
 901
 902 optional_policy(`
 903         usermanage_read_crack_db(xdm_t)
 904 ')
 905
 906 optional_policy(`
 907     vdagent_stream_connect(xdm_t)
 908 ')
 909
 910 optional_policy(`
 911         wm_exec(xdm_t)
 912 ')
 913
 914 optional_policy(`
 915         xfs_stream_connect(xdm_t)
 916 ')
 917
 918 ########################################
 919 #
 920 # X server local policy
 921 #
 922
 923 # X Object Manager rules
 924 type_transition xserver_t xserver_t:x_drawable root_xdrawable_t;
 925 type_transition xserver_t xserver_t:x_colormap root_xcolormap_t;
 926 type_transition root_xdrawable_t input_xevent_t:x_event root_input_xevent_t;
 927
 928 allow xserver_t { root_xdrawable_t x_domain }:x_drawable send;
 929 allow xserver_t input_xevent_t:x_event send;
 930
 931 # setuid/setgid for the wrapper program to change UID
 932 # sys_rawio is for iopl access - should not be needed for frame-buffer
 933 # sys_admin, locking shared mem?  chowning IPC message queues or semaphores?
 934 # admin of APM bios?
 935 # sys_nice is so that the X server can set a negative nice value
 936 # execheap needed until the X module loader is fixed.
 937 # NVIDIA Needs execstack
 938
 939 allow xserver_t self:capability { dac_override fowner fsetid setgid setuid ipc_owner sys_rawio sys_admin sys_nice sys_tty_config mknod net_bind_service };
 940
 941 dontaudit xserver_t self:capability chown;
 942 allow xserver_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
 943 allow xserver_t self:fd use;
 944 allow xserver_t self:fifo_file rw_fifo_file_perms;
 945 allow xserver_t self:sock_file read_sock_file_perms;
 946 allow xserver_t self:shm create_shm_perms;
 947 allow xserver_t self:sem create_sem_perms;
 948 allow xserver_t self:msgq create_msgq_perms;
 949 allow xserver_t self:msg { send receive };
 950 allow xserver_t self:unix_dgram_socket { create_socket_perms sendto };
 951 allow xserver_t self:unix_stream_socket { create_stream_socket_perms connectto };
 952 allow xserver_t self:tcp_socket create_stream_socket_perms;
 953 allow xserver_t self:udp_socket create_socket_perms;
 954 allow xserver_t self:netlink_selinux_socket create_socket_perms;
 955 allow xserver_t self:netlink_kobject_uevent_socket create_socket_perms;
 956
 957 allow xserver_t { input_xevent_t input_xevent_type }:x_event send;
 958
 959 domtrans_pattern(xserver_t, xauth_exec_t, xauth_t)
 960
 961 allow xserver_t xauth_home_t:file read_file_perms;
 962
 963 manage_dirs_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
 964 manage_files_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
 965 manage_sock_files_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t)
 966 files_tmp_filetrans(xserver_t, xserver_tmp_t, { file dir sock_file })
 967
 968 filetrans_pattern(xserver_t, xserver_tmp_t, xserver_tmp_t, sock_file)
 969
 970 manage_dirs_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
 971 manage_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
 972 manage_lnk_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
 973 manage_fifo_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
 974 manage_sock_files_pattern(xserver_t, xserver_tmpfs_t, xserver_tmpfs_t)
 975 fs_tmpfs_filetrans(xserver_t, xserver_tmpfs_t, { dir file lnk_file sock_file fifo_file })
 976
 977 manage_files_pattern(xserver_t, xkb_var_lib_t, xkb_var_lib_t)
 978 manage_lnk_files_pattern(xserver_t, xkb_var_lib_t, xkb_var_lib_t)
 979 files_search_var_lib(xserver_t)
 980
 981 manage_dirs_pattern(xserver_t, xserver_var_lib_t, xserver_var_lib_t)
 982 manage_files_pattern(xserver_t, xserver_var_lib_t, xserver_var_lib_t)
 983 files_var_lib_filetrans(xserver_t, xserver_var_lib_t, dir)
 984
 985 manage_dirs_pattern(xserver_t, xserver_var_run_t, xserver_var_run_t)
 986 manage_files_pattern(xserver_t, xserver_var_run_t, xserver_var_run_t)
 987 manage_sock_files_pattern(xserver_t, xdm_var_run_t, xdm_var_run_t)
 988 files_pid_filetrans(xserver_t, xserver_var_run_t, { file dir })
 989
 990 # Create files in /var/log with the xserver_log_t type.
 991 manage_files_pattern(xserver_t, xserver_log_t, xserver_log_t)
 992 logging_log_filetrans(xserver_t, xserver_log_t, file)
 993 manage_files_pattern(xserver_t, xdm_log_t, xdm_log_t)
 994
 995 kernel_read_system_state(xserver_t)
 996 kernel_read_device_sysctls(xserver_t)
 997 kernel_read_modprobe_sysctls(xserver_t)
 998 # Xorg wants to check if kernel is tainted
 999 kernel_read_kernel_sysctls(xserver_t)
1000 kernel_write_proc_files(xserver_t)
1001 kernel_request_load_module(xserver_t)
1002
1003 # Run helper programs in xserver_t.
1004 corecmd_exec_bin(xserver_t)
1005 corecmd_exec_shell(xserver_t)
1006
1007 corenet_all_recvfrom_unlabeled(xserver_t)
1008 corenet_all_recvfrom_netlabel(xserver_t)
1009 corenet_tcp_sendrecv_generic_if(xserver_t)
1010 corenet_udp_sendrecv_generic_if(xserver_t)
1011 corenet_tcp_sendrecv_generic_node(xserver_t)
1012 corenet_udp_sendrecv_generic_node(xserver_t)
1013 corenet_tcp_sendrecv_all_ports(xserver_t)
1014 corenet_udp_sendrecv_all_ports(xserver_t)
1015 corenet_tcp_bind_generic_node(xserver_t)
1016 corenet_tcp_bind_xserver_port(xserver_t)
1017 corenet_tcp_connect_all_ports(xserver_t)
1018 corenet_sendrecv_xserver_server_packets(xserver_t)
1019 corenet_sendrecv_all_client_packets(xserver_t)
1020
1021 dev_rw_sysfs(xserver_t)
1022 dev_rw_mouse(xserver_t)
1023 dev_rw_mtrr(xserver_t)
1024 dev_rw_apm_bios(xserver_t)
1025 dev_rw_agp(xserver_t)
1026 dev_rw_framebuffer(xserver_t)
1027 dev_manage_dri_dev(xserver_t)
1028 dev_create_generic_dirs(xserver_t)
1029 dev_setattr_generic_dirs(xserver_t)
1030 # raw memory access is needed if not using the frame buffer
1031 dev_read_raw_memory(xserver_t)
1032 dev_wx_raw_memory(xserver_t)
1033 # for other device nodes such as the NVidia binary-only driver
1034 dev_manage_xserver_misc(xserver_t)
1035 dev_filetrans_xserver_misc(xserver_t)
1036
1037 # read events - the synaptics touchpad driver reads raw events
1038 dev_rw_input_dev(xserver_t)
1039 dev_read_raw_memory(xserver_t)
1040 dev_write_raw_memory(xserver_t)
1041 dev_rwx_zero(xserver_t)
1042
1043 domain_dontaudit_read_all_domains_state(xserver_t)
1044 domain_signal_all_domains(xserver_t)
1045
1046 files_read_etc_files(xserver_t)
1047 files_read_etc_runtime_files(xserver_t)
1048 files_read_usr_files(xserver_t)
1049 files_rw_tmpfs_files(xserver_t)
1050
1051 # brought on by rhgb
1052 files_search_mnt(xserver_t)
1053 # for nscd
1054 files_dontaudit_search_pids(xserver_t)
1055
1056 fs_getattr_xattr_fs(xserver_t)
1057 fs_search_nfs(xserver_t)
1058 fs_search_auto_mountpoints(xserver_t)
1059 fs_search_ramfs(xserver_t)
1060 fs_rw_tmpfs_files(xserver_t)
1061
1062 mls_xwin_read_to_clearance(xserver_t)
1063 mls_process_write_to_clearance(xserver_t)
1064 mls_file_read_to_clearance(xserver_t)
1065 mls_file_write_all_levels(xserver_t)
1066 mls_file_upgrade(xserver_t)
1067
1068 selinux_validate_context(xserver_t)
1069 selinux_compute_access_vector(xserver_t)
1070 selinux_compute_create_context(xserver_t)
1071
1072 auth_use_nsswitch(xserver_t)
1073
1074 init_getpgid(xserver_t)
1075
1076 term_setattr_unallocated_ttys(xserver_t)
1077 term_use_unallocated_ttys(xserver_t)
1078
1079 locallogin_use_fds(xserver_t)
1080
1081 logging_send_syslog_msg(xserver_t)
1082 logging_send_audit_msgs(xserver_t)
1083
1084 miscfiles_read_localization(xserver_t)
1085 miscfiles_read_fonts(xserver_t)
1086 miscfiles_read_hwdata(xserver_t)
1087
1088 # read x_contexts
1089 seutil_read_default_contexts(xserver_t)
1090 seutil_read_config(xserver_t)
1091 seutil_read_file_contexts(xserver_t)
1092
1093 userdom_search_user_home_dirs(xserver_t)
1094 userdom_use_user_ttys(xserver_t)
1095 userdom_setattr_user_ttys(xserver_t)
1096 userdom_read_user_tmp_files(xserver_t)
1097 userdom_rw_user_tmpfs_files(xserver_t)
1098
1099 xserver_use_user_fonts(xserver_t)
1100
1101 ifndef(`distro_redhat',`
1102         allow xserver_t self:process { execmem execheap execstack };
1103         domain_mmap_low_uncond(xserver_t)
1104 ')
1105
1106 ifdef(`distro_rhel4',`
1107         allow xserver_t self:process { execmem execheap execstack };
1108 ')
1109
1110 ifdef(`enable_mls',`
1111         range_transition xserver_t xserver_tmp_t:sock_file s0 - mls_systemhigh;
1112         range_transition xserver_t xserver_t:x_drawable s0 - mls_systemhigh;
1113 ')
1114
1115 tunable_policy(`!xserver_object_manager',`
1116         # should be xserver_unconfined(xserver_t),
1117         # but typeattribute doesnt work in conditionals
1118
1119         allow xserver_t xserver_t:x_server *;
1120         allow xserver_t { x_domain root_xdrawable_t }:x_drawable *;
1121         allow xserver_t xserver_t:x_screen *;
1122         allow xserver_t x_domain:x_gc *;
1123         allow xserver_t { x_domain root_xcolormap_t }:x_colormap *;
1124         allow xserver_t xproperty_type:x_property *;
1125         allow xserver_t xselection_type:x_selection *;
1126         allow xserver_t x_domain:x_cursor *;
1127         allow xserver_t x_domain:x_client *;
1128         allow xserver_t { x_domain xserver_t }:x_device *;
1129         allow xserver_t { x_domain xserver_t }:x_pointer *;
1130         allow xserver_t { x_domain xserver_t }:x_keyboard *;
1131         allow xserver_t xextension_type:x_extension *;
1132         allow xserver_t { x_domain xserver_t }:x_resource *;
1133         allow xserver_t xevent_type:{ x_event x_synthetic_event } *;
1134 ')
1135
1136 optional_policy(`
1137         apm_stream_connect(xserver_t)
1138 ')
1139
1140 optional_policy(`
1141         auth_search_pam_console_data(xserver_t)
1142 ')
1143
1144 optional_policy(`
1145         consolekit_read_state(xserver_t)
1146 ')
1147
1148 optional_policy(`
1149         devicekit_signal_power(xserver_t)
1150 ')
1151
1152 optional_policy(`
1153         getty_use_fds(xserver_t)
1154 ')
1155
1156 optional_policy(`
1157         modutils_domtrans_insmod(xserver_t)
1158 ')
1159
1160 optional_policy(`
1161         rhgb_getpgid(xserver_t)
1162         rhgb_signal(xserver_t)
1163 ')
1164
1165 optional_policy(`
1166         setrans_translate_context(xserver_t)
1167 ')
1168
1169 optional_policy(`
1170         sandbox_rw_xserver_tmpfs_files(xserver_t)
1171 ')
1172
1173 optional_policy(`
1174         udev_read_db(xserver_t)
1175 ')
1176
1177 optional_policy(`
1178         unconfined_domain(xserver_t)
1179         unconfined_domtrans(xserver_t)
1180 ')
1181
1182 optional_policy(`
1183         userhelper_search_config(xserver_t)
1184 ')
1185
1186 optional_policy(`
1187         wine_rw_shm(xserver_t)
1188 ')
1189
1190 optional_policy(`
1191         xfs_stream_connect(xserver_t)
1192 ')
1193
1194 ########################################
1195 #
1196 # XDM Xserver local policy
1197 #
1198 # cjp: when xdm is configurable via tunable these
1199 # rules will be enabled only when xdm is enabled
1200
1201 allow xserver_t xdm_t:process { signal getpgid };
1202 allow xserver_t xdm_t:shm rw_shm_perms;
1203
1204 # NB we do NOT allow xserver_t xdm_var_lib_t:dir, only access to an open
1205 # handle of a file inside the dir!!!
1206 allow xserver_t xdm_var_lib_t:file read_file_perms;
1207 dontaudit xserver_t xdm_var_lib_t:dir search_dir_perms;
1208
1209 read_files_pattern(xserver_t, xdm_var_run_t, xdm_var_run_t)
1210
1211 # Label pid and temporary files with derived types.
1212 manage_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)
1213 manage_lnk_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)
1214 manage_sock_files_pattern(xserver_t, xdm_tmp_t, xdm_tmp_t)
1215
1216 # Run xkbcomp.
1217 allow xserver_t xkb_var_lib_t:lnk_file read_lnk_file_perms;
1218 can_exec(xserver_t, xkb_var_lib_t)
1219
1220 # VNC v4 module in X server
1221 corenet_tcp_bind_vnc_port(xserver_t)
1222
1223 init_use_fds(xserver_t)
1224
1225 # FIXME: After per user fonts are properly working
1226 # xserver_t may no longer have any reason
1227 # to read ROLE_home_t - examine this in more detail
1228 # (xauth?)
1229 userdom_read_user_home_content_files(xserver_t)
1230 userdom_read_all_users_state(xserver_t)
1231
1232 xserver_use_user_fonts(xserver_t)
1233
1234 tunable_policy(`use_nfs_home_dirs',`
1235         fs_manage_nfs_dirs(xserver_t)
1236         fs_manage_nfs_files(xserver_t)
1237         fs_manage_nfs_symlinks(xserver_t)
1238 ')
1239
1240 tunable_policy(`use_fusefs_home_dirs',`
1241         fs_manage_fusefs_dirs(xserver_t)
1242         fs_manage_fusefs_files(xserver_t)
1243 ')
1244
1245 tunable_policy(`use_samba_home_dirs',`
1246         fs_manage_cifs_dirs(xserver_t)
1247         fs_manage_cifs_files(xserver_t)
1248         fs_manage_cifs_symlinks(xserver_t)
1249 ')
1250
1251 optional_policy(`
1252         dbus_system_bus_client(xserver_t)
1253
1254         optional_policy(`
1255                 hal_dbus_chat(xserver_t)
1256         ')
1257 ')
1258
1259 optional_policy(`
1260         mono_rw_shm(xserver_t)
1261 ')
1262
1263 optional_policy(`
1264         rhgb_rw_shm(xserver_t)
1265         rhgb_rw_tmpfs_files(xserver_t)
1266 ')
1267
1268 optional_policy(`
1269         userhelper_search_config(xserver_t)
1270 ')
1271
1272 ########################################
1273 #
1274 # Rules common to all X window domains
1275 #
1276
1277 # Hacks
1278 # everyone can do override-redirect windows.
1279 # this could be used to spoof labels
1280 allow x_domain self:x_drawable override;
1281 # firefox gets nosy with other people's windows
1282 allow x_domain x_domain:x_drawable { list_child receive };
1283
1284 # X Server
1285 # can get X server attributes
1286 allow x_domain xserver_t:x_server getattr;
1287 # can grab the server
1288 allow x_domain xserver_t:x_server grab;
1289 # can read and write server-owned generic resources
1290 allow x_domain xserver_t:x_resource { read write };
1291 # can mess with own clients
1292 allow x_domain self:x_client { getattr manage destroy };
1293
1294 # X Protocol Extensions
1295 allow x_domain xextension_t:x_extension { query use };
1296 allow x_domain security_xextension_t:x_extension { query use };
1297
1298 # X Properties
1299 # can change properties of root window
1300 allow x_domain root_xdrawable_t:x_drawable { list_property get_property set_property };
1301 # can change properties of my own windows
1302 allow x_domain self:x_drawable { list_property get_property set_property };
1303 # can read and write cut buffers
1304 allow x_domain clipboard_xproperty_t:x_property { create read write append };
1305 # can read security labels
1306 allow x_domain seclabel_xproperty_t:x_property { getattr read };
1307 # can change all other properties
1308 allow x_domain xproperty_t:x_property { getattr create read write append destroy };
1309
1310 # X Windows
1311 # operations allowed on root windows
1312 allow x_domain root_xdrawable_t:x_drawable { getattr setattr list_child add_child remove_child send receive hide show };
1313 # operations allowed on my windows
1314 allow x_domain self:x_drawable { create destroy getattr setattr read write show hide list_child add_child remove_child manage send receive };
1315 allow x_domain self:x_drawable blend;
1316 # operations allowed on all windows
1317 allow x_domain x_domain:x_drawable { getattr get_property set_property remove_child };
1318
1319 # X Colormaps
1320 # can use the default colormap
1321 allow x_domain root_xcolormap_t:x_colormap { read use add_color remove_color install uninstall };
1322 # can create and use colormaps
1323 allow x_domain self:x_colormap *;
1324
1325 # X Devices
1326 # operations allowed on my own devices
1327 allow x_domain self:{ x_device x_pointer x_keyboard } *;
1328 # operations allowed on generic devices
1329 allow x_domain xserver_t:x_device { use getattr setattr getfocus setfocus bell grab freeze force_cursor };
1330 # operations allowed on core keyboard
1331 allow x_domain xserver_t:x_keyboard { use getattr setattr getfocus setfocus bell grab };
1332 # operations allowed on core pointer
1333 allow x_domain xserver_t:x_pointer { read use getattr setattr getfocus setfocus bell grab freeze force_cursor };
1334
1335 # all devices can generate input events
1336 allow x_domain root_xdrawable_t:x_drawable send;
1337 allow x_domain x_domain:x_drawable send;
1338 allow x_domain input_xevent_t:x_event send;
1339
1340 # dontaudit keyloggers repeatedly polling
1341 #dontaudit x_domain xserver_t:x_keyboard read;
1342
1343 # X Input
1344 # can receive default events
1345 allow x_domain xevent_t:{ x_event x_synthetic_event } receive;
1346 # can receive ICCCM events
1347 allow x_domain client_xevent_t:{ x_event x_synthetic_event } receive;
1348 # can send ICCCM events to the root window
1349 allow x_domain client_xevent_t:x_synthetic_event send;
1350 # can receive root window input events
1351 allow x_domain root_input_xevent_t:x_event receive;
1352
1353 # X Selections
1354 # can use the clipboard
1355 allow x_domain clipboard_xselection_t:x_selection { getattr setattr read };
1356 # can use default selections
1357 allow x_domain xselection_t:x_selection { getattr setattr read };
1358
1359 # Other X Objects
1360 # can create and use cursors
1361 allow x_domain self:x_cursor *;
1362 # can create and use graphics contexts
1363 allow x_domain self:x_gc *;
1364 # can read and write own objects
1365 allow x_domain self:x_resource { read write };
1366 # can mess with the screensaver
1367 allow x_domain xserver_t:x_screen { getattr saver_getattr };
1368
1369 # Device rules
1370 allow x_domain xserver_t:x_device { read getattr use setattr setfocus grab bell };
1371 allow x_domain xserver_t:x_screen getattr;
1372
1373 ########################################
1374 #
1375 # Rules for unconfined access to this module
1376 #
1377
1378 allow xserver_unconfined_type xserver_t:x_server *;
1379 allow xserver_unconfined_type xdrawable_type:x_drawable *;
1380 allow xserver_unconfined_type xserver_t:x_screen *;
1381 allow xserver_unconfined_type x_domain:x_gc *;
1382 allow xserver_unconfined_type xcolormap_type:x_colormap *;
1383 allow xserver_unconfined_type xproperty_type:x_property *;
1384 allow xserver_unconfined_type xselection_type:x_selection *;
1385 allow xserver_unconfined_type x_domain:x_cursor *;
1386 allow xserver_unconfined_type x_domain:x_client *;
1387 allow xserver_unconfined_type { x_domain xserver_t }:x_device *;
1388 allow xserver_unconfined_type { x_domain xserver_t }:x_pointer *;
1389 allow xserver_unconfined_type { x_domain xserver_t }:x_keyboard *;
1390 allow xserver_unconfined_type xextension_type:x_extension *;
1391 allow xserver_unconfined_type { x_domain xserver_t }:x_resource *;
1392 allow xserver_unconfined_type xevent_type:{ x_event x_synthetic_event } *;
1393
1394 tunable_policy(`! xserver_object_manager',`
1395         # should be xserver_unconfined(x_domain),
1396         # but typeattribute doesnt work in conditionals
1397
1398         allow x_domain xserver_t:x_server *;
1399         allow x_domain xdrawable_type:x_drawable *;
1400         allow x_domain xserver_t:x_screen *;
1401         allow x_domain x_domain:x_gc *;
1402         allow x_domain xcolormap_type:x_colormap *;
1403         allow x_domain xproperty_type:x_property *;
1404         allow x_domain xselection_type:x_selection *;
1405         allow x_domain x_domain:x_cursor *;
1406         allow x_domain x_domain:x_client *;
1407         allow x_domain { x_domain xserver_t }:x_device *;
1408         allow x_domain { x_domain xserver_t }:x_pointer *;
1409         allow x_domain { x_domain xserver_t }:x_keyboard *;
1410         allow x_domain xextension_type:x_extension *;
1411         allow x_domain { x_domain xserver_t }:x_resource *;
1412         allow x_domain xevent_type:{ x_event x_synthetic_event } *;
1413 ')
1414
1415 tunable_policy(`allow_xserver_execmem',`
1416         allow xserver_t self:process { execheap execmem execstack };
1417 ')
1418
1419 # Hack to handle the problem of using the nvidia blobs
1420 tunable_policy(`deny_execmem',`',`
1421         allow xdm_t self:process execmem;
1422 ')
1423
1424 tunable_policy(`allow_execstack',`
1425         allow xdm_t self:process { execstack execmem };
1426 ')
1427
1428 tunable_policy(`use_nfs_home_dirs',`
1429         fs_append_nfs_files(xdmhomewriter)
1430 ')
1431
1432 tunable_policy(`use_nfs_home_dirs',`
1433         fs_append_nfs_files(xdmhomewriter)
1434 ')
1435
1436 optional_policy(`
1437         unconfined_rw_shm(xserver_t)
1438         unconfined_execmem_rw_shm(xserver_t)
1439
1440         # xserver signals unconfined user on startx
1441         unconfined_signal(xserver_t)
1442         unconfined_getpgid(xserver_t)
1443 ')