policy_module(mount, 1.25.0) ######################################## # # Declarations # ## ##

## Allow the mount command to mount any directory or file. ##

##
gen_tunable(allow_mount_anyfile, false) attribute_role mount_roles; roleattribute system_r mount_roles; type mount_t; type mount_exec_t; init_system_domain(mount_t, mount_exec_t) role mount_roles types mount_t; type mount_loopback_t; # customizable fs_image_file(mount_loopback_t) type mount_runtime_t; typealias mount_runtime_t alias mount_var_run_t; files_runtime_file(mount_runtime_t) type mount_tmp_t; files_tmp_file(mount_tmp_t) # causes problems with interfaces when # this is optionally declared in monolithic # policy--duplicate type declaration type unconfined_mount_t; application_domain(unconfined_mount_t, mount_exec_t) ######################################## # # mount local policy # # setuid/setgid needed to mount cifs allow mount_t self:capability { chown dac_override ipc_lock setgid setuid sys_admin sys_rawio sys_tty_config }; allow mount_t mount_tmp_t:file manage_file_perms; allow mount_t mount_tmp_t:dir manage_dir_perms; can_exec(mount_t, mount_exec_t) files_tmp_filetrans(mount_t, mount_tmp_t, { file dir }) manage_dirs_pattern(mount_t, mount_runtime_t, mount_runtime_t) manage_files_pattern(mount_t, mount_runtime_t, mount_runtime_t) rw_files_pattern(mount_t, mount_runtime_t, mount_runtime_t) files_runtime_filetrans(mount_t, mount_runtime_t, dir, "mount") kernel_read_system_state(mount_t) kernel_read_kernel_sysctls(mount_t) kernel_setsched(mount_t) kernel_dontaudit_getattr_core_if(mount_t) kernel_dontaudit_write_debugfs_dirs(mount_t) kernel_dontaudit_write_proc_dirs(mount_t) # To load binfmt_misc kernel module kernel_request_load_module(mount_t) # required for mount.smbfs corecmd_exec_bin(mount_t) dev_getattr_all_blk_files(mount_t) dev_list_all_dev_nodes(mount_t) dev_read_sysfs(mount_t) dev_dontaudit_write_sysfs_dirs(mount_t) dev_rw_lvm_control(mount_t) dev_rw_loop_control(mount_t) dev_dontaudit_getattr_all_chr_files(mount_t) dev_dontaudit_getattr_memory_dev(mount_t) dev_getattr_sound_dev(mount_t) # Early devtmpfs, before udev relabel dev_dontaudit_rw_generic_chr_files(mount_t) domain_use_interactive_fds(mount_t) files_search_all(mount_t) files_read_etc_files(mount_t) files_manage_etc_runtime_files(mount_t) files_etc_filetrans_etc_runtime(mount_t, file) files_mounton_all_mountpoints(mount_t) files_unmount_rootfs(mount_t) # These rules need to be generalized. Only admin, initrc should have it: files_relabelto_all_file_type_fs(mount_t) files_mount_all_file_type_fs(mount_t) files_unmount_all_file_type_fs(mount_t) # For reading cert files files_read_usr_files(mount_t) files_list_all_mountpoints(mount_t) files_dontaudit_write_all_mountpoints(mount_t) files_dontaudit_setattr_all_mountpoints(mount_t) fs_getattr_xattr_fs(mount_t) fs_getattr_tmpfs(mount_t) fs_getattr_rpc_pipefs(mount_t) fs_getattr_cifs(mount_t) fs_getattr_nfs(mount_t) fs_getattr_dos_fs(mount_t) fs_mount_all_fs(mount_t) fs_unmount_all_fs(mount_t) fs_remount_all_fs(mount_t) fs_relabelfrom_all_fs(mount_t) fs_rw_tmpfs_chr_files(mount_t) fs_read_tmpfs_symlinks(mount_t) fs_dontaudit_write_tmpfs_dirs(mount_t) fs_read_all_image_files(mount_t) fs_dontaudit_write_all_image_files(mount_t) mls_file_read_all_levels(mount_t) mls_file_write_all_levels(mount_t) selinux_get_enforce_mode(mount_t) storage_raw_read_fixed_disk(mount_t) storage_raw_write_fixed_disk(mount_t) storage_raw_read_removable_device(mount_t) storage_raw_write_removable_device(mount_t) storage_rw_fuse(mount_t) term_use_all_terms(mount_t) term_dontaudit_manage_pty_dirs(mount_t) auth_use_nsswitch(mount_t) init_use_fds(mount_t) init_use_script_ptys(mount_t) init_dontaudit_getattr_initctl(mount_t) logging_send_syslog_msg(mount_t) miscfiles_read_localization(mount_t) sysnet_use_portmap(mount_t) seutil_read_config(mount_t) selinux_getattr_fs(mount_t) userdom_use_all_users_fds(mount_t) ifdef(`distro_redhat',` optional_policy(` auth_read_pam_console_data(mount_t) # mount config by default sets fscontext=removable_t fs_relabelfrom_dos_fs(mount_t) ') ') ifdef(`distro_ubuntu',` optional_policy(` unconfined_domain(mount_t) ') ') tunable_policy(`allow_mount_anyfile',` files_list_non_auth_dirs(mount_t) files_read_non_auth_files(mount_t) files_mounton_non_security(mount_t) ') optional_policy(` # for nfs corenet_all_recvfrom_netlabel(mount_t) corenet_tcp_sendrecv_all_if(mount_t) corenet_raw_sendrecv_all_if(mount_t) corenet_udp_sendrecv_all_if(mount_t) corenet_tcp_sendrecv_all_nodes(mount_t) corenet_raw_sendrecv_all_nodes(mount_t) corenet_udp_sendrecv_all_nodes(mount_t) corenet_tcp_bind_all_nodes(mount_t) corenet_udp_bind_all_nodes(mount_t) corenet_tcp_bind_generic_port(mount_t) corenet_udp_bind_generic_port(mount_t) corenet_tcp_bind_reserved_port(mount_t) corenet_udp_bind_reserved_port(mount_t) corenet_tcp_bind_all_rpc_ports(mount_t) corenet_udp_bind_all_rpc_ports(mount_t) corenet_dontaudit_tcp_bind_all_reserved_ports(mount_t) corenet_dontaudit_udp_bind_all_reserved_ports(mount_t) corenet_tcp_connect_all_ports(mount_t) fs_search_rpc(mount_t) rpc_stub(mount_t) ') optional_policy(` acpi_use_fds(mount_t) ') optional_policy(` ifdef(`hide_broken_symptoms',` # for a bug in the X server term_dontaudit_use_ptmx(mount_t) ') ') optional_policy(` modutils_read_module_deps(mount_t) ') optional_policy(` puppet_rw_tmp(mount_t) ') # for kernel package installation optional_policy(` rpm_rw_pipes(mount_t) ') optional_policy(` samba_run_smbmount(mount_t, mount_roles) ') ######################################## # # Unconfined mount local policy # optional_policy(` files_etc_filetrans_etc_runtime(unconfined_mount_t, file) unconfined_domain(unconfined_mount_t) ')