2006-01-19 22:01:48 +00:00
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2006-01-30 22:51:35 +00:00
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policy_module(xserver,1.0.1)
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2006-01-19 22:01:48 +00:00
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########################################
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#
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# Declarations
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#
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2006-01-20 19:36:54 +00:00
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type ice_tmp_t;
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files_tmp_file(ice_tmp_t)
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type iceauth_exec_t;
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files_type(iceauth_exec_t)
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type xauth_exec_t;
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files_type(xauth_exec_t)
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2006-01-30 22:51:35 +00:00
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type xdm_t;
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# real declaration moved to mls until
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# range_transition works in loadable modules
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gen_require(`
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type xdm_exec_t;
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')
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init_domain(xdm_t,xdm_exec_t)
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init_daemon_domain(xdm_t,xdm_exec_t)
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type xdm_lock_t;
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files_lock_file(xdm_lock_t)
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type xdm_rw_etc_t;
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files_type(xdm_rw_etc_t)
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type xdm_var_lib_t;
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files_type(xdm_var_lib_t)
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type xdm_var_run_t;
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files_pid_file(xdm_var_run_t)
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type xdm_tmp_t;
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files_tmp_file(xdm_tmp_t)
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type xdm_tmpfs_t;
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files_tmpfs_file(xdm_tmpfs_t)
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2006-01-19 22:01:48 +00:00
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# type for /var/lib/xkb
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type xkb_var_lib_t;
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files_config_file(xkb_var_lib_t)
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# Type for the executable used to start the X server, e.g. Xwrapper.
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type xserver_exec_t;
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files_type(xserver_exec_t)
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2006-01-30 22:51:35 +00:00
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type xsession_exec_t;
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files_type(xsession_exec_t)
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2006-01-19 22:01:48 +00:00
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# Type for the X server log file.
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type xserver_log_t;
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logging_log_file(xserver_log_t)
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2006-01-20 22:02:24 +00:00
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2006-01-30 22:51:35 +00:00
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ifdef(`strict_policy',`
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xserver_common_domain_template(xdm)
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init_system_domain(xdm_xserver_t,xserver_exec_t)
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')
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2006-01-20 22:02:24 +00:00
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optional_policy(`prelink',`
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prelink_object_file(xkb_var_lib_t)
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')
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2006-01-30 22:51:35 +00:00
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########################################
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#
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# XDM Local policy
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#
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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 };
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allow xdm_t self:process { setexec setpgid setsched setrlimit signal_perms };
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allow xdm_t self:fifo_file rw_file_perms;
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allow xdm_t self:shm create_shm_perms;
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allow xdm_t self:sem create_sem_perms;
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allow xdm_t self:unix_stream_socket { connectto create_stream_socket_perms };
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allow xdm_t self:unix_dgram_socket create_socket_perms;
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allow xdm_t self:tcp_socket create_stream_socket_perms;
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allow xdm_t self:udp_socket create_socket_perms;
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# Supress permission check on .ICE-unix
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dontaudit xdm_t ice_tmp_t:dir { getattr setattr };
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# Allow gdm to run gdm-binary
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can_exec(xdm_t, xdm_exec_t)
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# wdm has its own config dir /etc/X11/wdm
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# this is ugly, daemons should not create files under /etc!
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allow xdm_t xdm_rw_etc_t:dir rw_dir_perms;
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allow xdm_t xdm_rw_etc_t:file create_file_perms;
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kernel_read_system_state(xdm_t)
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2006-01-31 16:49:43 +00:00
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kernel_read_kernel_sysctls(xdm_t)
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2006-01-30 22:51:35 +00:00
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corecmd_exec_shell(xdm_t)
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corecmd_exec_bin(xdm_t)
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corecmd_exec_sbin(xdm_t)
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corenet_tcp_sendrecv_generic_if(xdm_t)
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corenet_udp_sendrecv_generic_if(xdm_t)
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corenet_raw_sendrecv_generic_if(xdm_t)
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corenet_tcp_sendrecv_all_nodes(xdm_t)
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corenet_udp_sendrecv_all_nodes(xdm_t)
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corenet_raw_sendrecv_all_nodes(xdm_t)
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corenet_tcp_sendrecv_all_ports(xdm_t)
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corenet_udp_sendrecv_all_ports(xdm_t)
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corenet_non_ipsec_sendrecv(xdm_t)
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corenet_tcp_bind_all_nodes(xdm_t)
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corenet_udp_bind_all_nodes(xdm_t)
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corenet_tcp_connect_all_ports(xdm_t)
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# xdm tries to bind to biff_port_t
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corenet_dontaudit_tcp_bind_all_ports(xdm_t)
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dev_read_rand(xdm_t)
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dev_read_urand(xdm_t)
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dev_read_sysfs(xdm_t)
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2006-01-31 16:08:56 +00:00
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dev_getattr_framebuffer_dev(xdm_t)
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dev_setattr_framebuffer_dev(xdm_t)
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dev_getattr_mouse_dev(xdm_t)
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dev_setattr_mouse_dev(xdm_t)
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2006-01-30 22:51:35 +00:00
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dev_rw_apm_bios(xdm_t)
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2006-01-31 16:08:56 +00:00
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dev_setattr_apm_bios_dev(xdm_t)
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dev_rw_dri(xdm_t)
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dev_rw_agp(xdm_t)
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2006-01-30 22:51:35 +00:00
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dev_getattr_xserver_misc_dev(xdm_t)
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dev_setattr_xserver_misc_dev(xdm_t)
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2006-01-31 16:08:56 +00:00
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dev_getattr_misc_dev(xdm_t)
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dev_setattr_misc_dev(xdm_t)
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2006-01-30 22:51:35 +00:00
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dev_dontaudit_rw_misc(xdm_t)
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dev_getattr_video_dev(xdm_t)
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dev_setattr_video_dev(xdm_t)
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2006-01-31 16:08:56 +00:00
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dev_getattr_scanner_dev(xdm_t)
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dev_setattr_scanner_dev(xdm_t)
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dev_getattr_sound_dev(xdm_t)
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dev_setattr_sound_dev(xdm_t)
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dev_getattr_power_mgmt_dev(xdm_t)
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dev_setattr_power_mgmt_dev(xdm_t)
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2006-01-30 22:51:35 +00:00
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domain_use_wide_inherit_fd(xdm_t)
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# Do not audit denied probes of /proc.
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domain_dontaudit_read_all_domains_state(xdm_t)
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files_read_etc_files(xdm_t)
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files_read_etc_runtime_files(xdm_t)
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files_exec_etc_files(xdm_t)
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files_list_mnt(xdm_t)
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# Read /usr/share/terminfo/l/linux and /usr/share/icons/default/index.theme...
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files_read_usr_files(xdm_t)
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# Poweroff wants to create the /poweroff file when run from xdm
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files_create_boot_flag(xdm_t)
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fs_getattr_all_fs(xdm_t)
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fs_search_auto_mountpoints(xdm_t)
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selinux_get_fs_mount(xdm_t)
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selinux_validate_context(xdm_t)
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selinux_compute_access_vector(xdm_t)
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selinux_compute_create_context(xdm_t)
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selinux_compute_relabel_context(xdm_t)
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selinux_compute_user_contexts(xdm_t)
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storage_dontaudit_read_fixed_disk(xdm_t)
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storage_dontaudit_write_fixed_disk(xdm_t)
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2006-02-02 21:08:12 +00:00
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storage_dontaudit_setattr_fixed_disk_dev(xdm_t)
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2006-01-30 22:51:35 +00:00
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storage_dontaudit_raw_read_removable_device(xdm_t)
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storage_dontaudit_raw_write_removable_device(xdm_t)
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2006-02-02 21:08:12 +00:00
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storage_dontaudit_setattr_removable_dev(xdm_t)
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2006-01-30 22:51:35 +00:00
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storage_dontaudit_rw_scsi_generic(xdm_t)
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term_setattr_console(xdm_t)
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term_dontaudit_use_console(xdm_t)
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2006-02-02 21:08:12 +00:00
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term_use_unallocated_ttys(xdm_t)
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2006-01-30 22:51:35 +00:00
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term_setattr_unallocated_ttys(xdm_t)
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auth_rw_lastlog(xdm_t)
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auth_read_login_records(xdm_t)
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auth_append_login_records(xdm_t)
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auth_manage_pam_pid(xdm_t)
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auth_exec_pam(xdm_t)
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auth_manage_pam_console_data(xdm_t)
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init_rw_utmp(xdm_t)
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2006-02-02 21:08:12 +00:00
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init_use_script_ptys(xdm_t)
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2006-01-30 22:51:35 +00:00
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# Run telinit->init to shutdown.
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init_exec(xdm_t)
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init_write_initctl(xdm_t)
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libs_use_ld_so(xdm_t)
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libs_use_shared_libs(xdm_t)
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libs_exec_lib_files(xdm_t)
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logging_send_syslog_msg(xdm_t)
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logging_read_generic_logs(xdm_t)
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miscfiles_read_localization(xdm_t)
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miscfiles_read_fonts(xdm_t)
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seutil_read_config(xdm_t)
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seutil_read_default_contexts(xdm_t)
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sysnet_read_config(xdm_t)
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userdom_dontaudit_use_unpriv_user_fd(xdm_t)
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userdom_dontaudit_search_sysadm_home_dir(xdm_t)
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# for .dmrc
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userdom_read_unpriv_user_home_files(xdm_t)
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# Search /proc for any user domain processes.
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2006-02-02 21:08:12 +00:00
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userdom_read_all_users_state(xdm_t)
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2006-01-30 22:51:35 +00:00
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userdom_signal_all_users(xdm_t)
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ifdef(`enable_polyinstantiation',`
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# xdm_t can polyinstantiate
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files_polyinstantiate_all(xdm_t)
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')
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ifdef(`strict_policy',`
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allow xdm_t xdm_lock_t:file create_file_perms;
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files_filetrans_lock(xdm_t,xdm_lock_t)
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allow xdm_t xdm_tmp_t:dir create_dir_perms;
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allow xdm_t xdm_tmp_t:file create_file_perms;
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allow xdm_t xdm_tmp_t:file create_file_perms;
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files_filetrans_tmp(xdm_t, xdm_tmp_t, { file dir sock_file })
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allow xdm_t xdm_tmpfs_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow xdm_t xdm_tmpfs_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow xdm_t xdm_tmpfs_t:lnk_file { create read getattr setattr link unlink rename };
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allow xdm_t xdm_tmpfs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename };
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allow xdm_t xdm_tmpfs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename };
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fs_filetrans_tmpfs(xdm_t,xdm_tmpfs_t,{ dir file lnk_file sock_file fifo_file })
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allow xdm_t xdm_var_lib_t:file create_file_perms;
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allow xdm_t xdm_var_lib_t:dir create_dir_perms;
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files_filetrans_var_lib(xdm_t,xdm_var_lib_t)
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allow xdm_t xdm_var_run_t:dir manage_dir_perms;
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allow xdm_t xdm_var_run_t:fifo_file manage_file_perms;
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files_filetrans_pid(xdm_t,xdm_var_run_t,{ dir fifo_file })
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allow xdm_t xdm_xserver_t:process signal;
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allow xdm_t xdm_xserver_t:unix_stream_socket connectto;
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allow xdm_t xdm_xserver_tmp_t:sock_file rw_file_perms;
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allow xdm_t xdm_xserver_tmp_t:dir { setattr r_dir_perms };
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# transition to the xdm xserver
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domain_auto_trans(xdm_t, xserver_exec_t, xdm_xserver_t)
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allow xdm_t xdm_xserver_t:fd use;
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allow xdm_xserver_t xdm_t:fd use;
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allow xdm_xserver_t xdm_t:fifo_file rw_file_perms;
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allow xdm_xserver_t xdm_t:process { signal sigchld };
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allow xdm_t xdm_xserver_t:process { noatsecure siginh rlimitinh signal sigkill };
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allow xdm_t xdm_xserver_t:shm rw_shm_perms;
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# connect to xdm xserver over stream socket
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allow xdm_t xdm_xserver_tmp_t:dir r_dir_perms;
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allow xdm_t xdm_xserver_tmp_t:sock_file rw_file_perms;
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allow xdm_t xdm_xserver_t:unix_stream_socket connectto;
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# Remove /tmp/.X11-unix/X0.
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allow xdm_t xdm_xserver_tmp_t:dir { remove_name write };
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allow xdm_t xdm_xserver_tmp_t:sock_file unlink;
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allow xdm_t xdm_xserver_tmp_t:file unlink;
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allow xdm_t xserver_log_t:dir { rw_dir_perms setattr };
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allow xdm_t xserver_log_t:file manage_file_perms;
|
|
|
|
|
allow xdm_t xserver_log_t:fifo_file manage_file_perms;
|
|
|
|
|
logging_filetrans_log(xdm_t,xserver_log_t,file)
|
|
|
|
|
|
2006-02-02 21:08:12 +00:00
|
|
|
domain_subj_id_change_exemption(xdm_t)
|
|
|
|
|
domain_role_change_exemption(xdm_t)
|
|
|
|
|
domain_obj_id_change_exemption(xdm_t)
|
2006-01-30 22:51:35 +00:00
|
|
|
|
|
|
|
|
auth_domtrans_chk_passwd(xdm_t)
|
|
|
|
|
auth_domtrans_pam_console(xdm_t)
|
|
|
|
|
|
|
|
|
|
# FIXME:
|
|
|
|
|
# xserver_rw_session_template(xdm,xdm_t,xdm_tmpfs_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 xdm_xserver_t sysadm_t:shm { unix_read unix_write };
|
|
|
|
|
# allow xdm_xserver_t xdm_tmpfs_t:file rw_file_perms;
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`alsa',`
|
|
|
|
|
alsa_domtrans(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
ifdef(`targeted_policy',`
|
|
|
|
|
allow xdm_t self:process { execheap execmem };
|
|
|
|
|
unconfined_domain_template(xdm_t)
|
|
|
|
|
unconfined_domtrans(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)
|
2006-01-31 20:29:27 +00:00
|
|
|
fs_exec_nfs_files(xdm_t)
|
2006-01-30 22:51:35 +00:00
|
|
|
')
|
|
|
|
|
|
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
|
|
|
fs_manage_cifs_dirs(xdm_t)
|
|
|
|
|
fs_manage_cifs_files(xdm_t)
|
|
|
|
|
fs_manage_cifs_symlinks(xdm_t)
|
2006-01-31 20:29:27 +00:00
|
|
|
fs_exec_cifs_files(xdm_t)
|
2006-01-30 22:51:35 +00:00
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`gpm',`
|
|
|
|
|
# Talk to the console mouse server.
|
|
|
|
|
gpm_stream_connect(xdm_t)
|
|
|
|
|
gpm_setattr_gpmctl(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`hostname',`
|
|
|
|
|
hostname_exec(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`loadkeys',`
|
|
|
|
|
loadkeys_exec(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`locallogin',`
|
|
|
|
|
locallogin_signull(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`mta',`
|
|
|
|
|
# Do not audit attempts to check whether user root has email
|
2006-02-02 21:08:12 +00:00
|
|
|
mta_dontaudit_getattr_spool_files(xdm_t)
|
2006-01-30 22:51:35 +00:00
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`nscd',`
|
2006-02-02 21:08:12 +00:00
|
|
|
nscd_socket_use(xdm_t)
|
2006-01-30 22:51:35 +00:00
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`selinuxutil',`
|
|
|
|
|
seutil_sigchld_newrole(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`udev',`
|
|
|
|
|
udev_read_db(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`userhelper',`
|
|
|
|
|
userhelper_dontaudit_search_config(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`usermanage',`
|
|
|
|
|
usermanage_read_crack_db(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
optional_policy(`xfs',`
|
|
|
|
|
xfs_stream_connect(xdm_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
########################################
|
|
|
|
|
#
|
|
|
|
|
# XDM Xserver local policy
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
ifdef(`strict_policy',`
|
|
|
|
|
allow xdm_xserver_t xdm_t:process signal;
|
|
|
|
|
allow xdm_xserver_t xdm_t:shm rw_shm_perms;
|
|
|
|
|
|
|
|
|
|
# NB we do NOT allow xdm_xserver_t xdm_var_lib_t:dir, only access to an open
|
|
|
|
|
# handle of a file inside the dir!!!
|
|
|
|
|
allow xdm_xserver_t xdm_var_lib_t:file { getattr read };
|
|
|
|
|
dontaudit xdm_xserver_t xdm_var_lib_t:dir search;
|
|
|
|
|
|
|
|
|
|
allow xdm_xserver_t xdm_var_run_t:file { getattr read };
|
|
|
|
|
|
|
|
|
|
# Label pid and temporary files with derived types.
|
|
|
|
|
allow xdm_xserver_t xdm_tmp_t:dir rw_dir_perms;
|
|
|
|
|
allow xdm_xserver_t xdm_tmp_t:file manage_file_perms;
|
|
|
|
|
allow xdm_xserver_t xdm_tmp_t:lnk_file create_lnk_perms;
|
|
|
|
|
allow xdm_xserver_t xdm_tmp_t:sock_file manage_file_perms;
|
|
|
|
|
|
|
|
|
|
# Run xkbcomp.
|
|
|
|
|
allow xdm_xserver_t xkb_var_lib_t:lnk_file read;
|
|
|
|
|
can_exec(xdm_xserver_t, xkb_var_lib_t)
|
|
|
|
|
files_search_var_lib(xdm_xserver_t)
|
|
|
|
|
|
|
|
|
|
# VNC v4 module in X server
|
|
|
|
|
corenet_tcp_bind_vnc_port(xdm_xserver_t)
|
|
|
|
|
|
|
|
|
|
fs_search_auto_mountpoints(xdm_xserver_t)
|
|
|
|
|
|
|
|
|
|
init_use_fd(xdm_xserver_t)
|
|
|
|
|
|
|
|
|
|
# FIXME: After per user fonts are properly working
|
|
|
|
|
# xdm_xserver_t may no longer have any reason
|
|
|
|
|
# to read ROLE_home_t - examine this in more detail
|
|
|
|
|
# (xauth?)
|
|
|
|
|
userdom_read_unpriv_user_home_files(xdm_xserver_t)
|
|
|
|
|
|
|
|
|
|
tunable_policy(`use_nfs_home_dirs',`
|
|
|
|
|
fs_manage_nfs_dirs(xdm_xserver_t)
|
|
|
|
|
fs_manage_nfs_files(xdm_xserver_t)
|
|
|
|
|
fs_manage_nfs_symlinks(xdm_xserver_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
|
|
|
fs_manage_cifs_dirs(xdm_xserver_t)
|
|
|
|
|
fs_manage_cifs_files(xdm_xserver_t)
|
|
|
|
|
fs_manage_cifs_symlinks(xdm_xserver_t)
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
ifdef(`TODO',`
|
|
|
|
|
# Read all global and per user fonts
|
|
|
|
|
read_fonts(xdm_xserver_t, sysadm)
|
|
|
|
|
read_fonts(xdm_xserver_t, staff)
|
|
|
|
|
read_fonts(xdm_xserver_t, user)
|
|
|
|
|
') dnl end TODO
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
ifdef(`TODO',`
|
|
|
|
|
# cjp: TODO: integrate strict policy:
|
|
|
|
|
# init script wants to check if it needs to update windowmanagerlist
|
|
|
|
|
allow initrc_t xdm_rw_etc_t:file { getattr read };
|
|
|
|
|
ifdef(`distro_suse', `
|
|
|
|
|
# set permissions on /tmp/.X11-unix
|
|
|
|
|
allow initrc_t xdm_tmp_t:dir setattr;
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
allow xdm_t xconsole_device_t:fifo_file { getattr setattr };
|
|
|
|
|
|
|
|
|
|
can_resmgrd_connect(xdm_t)
|
|
|
|
|
|
|
|
|
|
# Need to further investigate these permissions and
|
|
|
|
|
# perhaps define derived types.
|
|
|
|
|
allow xdm_t var_lib_t:dir { write search add_name remove_name create unlink };
|
|
|
|
|
allow xdm_t var_lib_t:file { create write unlink };
|
|
|
|
|
|
|
|
|
|
# Do not audit attempts to write to index files under /usr
|
|
|
|
|
dontaudit xdm_t usr_t:file write;
|
|
|
|
|
|
|
|
|
|
ifdef(`rhgb.te', `
|
|
|
|
|
allow xdm_xserver_t ramfs_t:dir rw_dir_perms;
|
|
|
|
|
allow xdm_xserver_t ramfs_t:file create_file_perms;
|
|
|
|
|
allow rhgb_t xdm_xserver_t:process signal;
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
ifdef(`enable_polyinstantiation',`
|
|
|
|
|
# xdm needs access for linking .X11-unix to poly /tmp
|
|
|
|
|
allow xdm_t polymember:dir { add_name remove_name write };
|
|
|
|
|
allow xdm_t polymember:lnk_file { create unlink };
|
|
|
|
|
# xdm needs access for copying .Xauthority into new home
|
|
|
|
|
allow xdm_t polymember:file { create getattr write };
|
|
|
|
|
')
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# Wants to delete .xsession-errors file
|
|
|
|
|
#
|
|
|
|
|
allow xdm_t user_home_type:file unlink;
|
|
|
|
|
#
|
|
|
|
|
# Should fix exec of pam_timestamp_check is not closing xdm file descriptor
|
|
|
|
|
#
|
|
|
|
|
allow pam_t xdm_t:fifo_file { getattr ioctl write };
|
|
|
|
|
') dnl end TODO
|
