213 lines
5.9 KiB
Plaintext
213 lines
5.9 KiB
Plaintext
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policy_module(bootloader,1.0)
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########################################
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#
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# Declarations
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#
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attribute rw_kern_modules;
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#
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# boot_t is the type for files in /boot
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#
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type boot_t;
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files_type(boot_t)
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files_mountpoint(boot_t)
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#
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# boot_runtime_t is the type for /boot/kernel.h,
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# which is automatically generated at boot time.
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# only for Red Hat
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#
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type boot_runtime_t;
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files_type(boot_runtime_t)
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type bootloader_t;
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domain_type(bootloader_t)
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role system_r types bootloader_t;
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type bootloader_exec_t;
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domain_entry_file(bootloader_t,bootloader_exec_t)
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#
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# bootloader_etc_t is the configuration file,
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# grub.conf, lilo.conf, etc.
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#
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type bootloader_etc_t alias etc_bootloader_t;
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files_type(bootloader_etc_t)
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#
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# The temp file is used for initrd creation;
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# it consists of files and device nodes
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#
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type bootloader_tmp_t;
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files_tmp_file(bootloader_tmp_t)
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dev_node(bootloader_tmp_t)
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# kernel modules
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type modules_object_t;
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files_type(modules_object_t)
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neverallow ~rw_kern_modules modules_object_t:file { create append write };
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#
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# system_map_t is for the system.map files in /boot
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#
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type system_map_t;
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files_type(system_map_t)
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########################################
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#
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# bootloader local policy
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#
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allow bootloader_t self:capability { dac_read_search fsetid sys_rawio sys_admin mknod chown };
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allow bootloader_t self:process { sigkill sigstop signull signal };
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allow bootloader_t self:fifo_file { getattr read write };
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allow bootloader_t boot_t:dir ra_dir_perms;
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allow bootloader_t boot_t:file { rw_file_perms create };
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allow bootloader_t boot_t:lnk_file { r_file_perms create unlink };
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allow bootloader_t bootloader_etc_t:file r_file_perms;
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# uncomment the following lines if you use "lilo -p"
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#allow bootloader_t bootloader_etc_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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#files_create_etc_config(bootloader_t,bootloader_etc_t)
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allow bootloader_t bootloader_tmp_t:dir create_dir_perms;
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allow bootloader_t bootloader_tmp_t:file create_file_perms;
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allow bootloader_t bootloader_tmp_t:chr_file create_file_perms;
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allow bootloader_t bootloader_tmp_t:blk_file create_file_perms;
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allow bootloader_t bootloader_tmp_t:lnk_file create_lnk_perms;
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files_create_tmp_files(bootloader_t,bootloader_tmp_t,{ dir file lnk_file chr_file blk_file })
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# for tune2fs (cjp: ?)
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files_create_root(bootloader_t,bootloader_tmp_t)
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allow bootloader_t modules_object_t:dir r_dir_perms;
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allow bootloader_t modules_object_t:file r_file_perms;
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allow bootloader_t modules_object_t:lnk_file r_file_perms;
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kernel_getattr_core(bootloader_t)
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kernel_read_system_state(bootloader_t)
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kernel_read_software_raid_state(bootloader_t)
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kernel_read_kernel_sysctl(bootloader_t)
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storage_raw_read_fixed_disk(bootloader_t)
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storage_raw_write_fixed_disk(bootloader_t)
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storage_raw_read_removable_device(bootloader_t)
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storage_raw_write_removable_device(bootloader_t)
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dev_getattr_all_chr_files(bootloader_t)
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dev_setattr_all_blk_files(bootloader_t)
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dev_dontaudit_rw_generic_dev_nodes(bootloader_t)
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dev_read_rand(bootloader_t)
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dev_read_urand(bootloader_t)
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dev_getattr_sysfs_dir(bootloader_t)
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# for reading BIOS data
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dev_read_raw_memory(bootloader_t)
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fs_getattr_xattr_fs(bootloader_t)
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term_getattr_all_user_ttys(bootloader_t)
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init_getattr_initctl(bootloader_t)
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init_use_script_pty(bootloader_t)
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init_use_script_fd(bootloader_t)
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init_rw_script_pipe(bootloader_t)
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domain_use_wide_inherit_fd(bootloader_t)
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libs_use_ld_so(bootloader_t)
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libs_use_shared_libs(bootloader_t)
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libs_read_lib(bootloader_t)
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files_read_etc_files(bootloader_t)
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files_read_etc_runtime_files(bootloader_t)
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files_read_usr_src_files(bootloader_t)
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files_read_usr_files(bootloader_t)
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files_read_var_files(bootloader_t)
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# for nscd
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files_dontaudit_search_pids(bootloader_t)
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corecmd_exec_bin(bootloader_t)
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corecmd_exec_sbin(bootloader_t)
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corecmd_exec_shell(bootloader_t)
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logging_send_syslog_msg(bootloader_t)
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logging_rw_generic_logs(bootloader_t)
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miscfiles_read_localization(bootloader_t)
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seutil_read_binary_pol(bootloader_t)
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seutil_read_loadpol(bootloader_t)
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ifdef(`distro_debian',`
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allow bootloader_t bootloader_tmp_t:{ dir file } { relabelfrom relabelto };
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allow bootloader_t modules_object_t:file { relabelfrom relabelto unlink };
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allow bootloader_t boot_t:file relabelfrom;
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# for /usr/share/initrd-tools/scripts
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files_exec_usr_files(bootloader_t)
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')
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ifdef(`distro_redhat',`
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# for memlock
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allow bootloader_t self:capability ipc_lock;
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# new file system defaults to file_t, granting file_t access is still bad.
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allow bootloader_t boot_runtime_t:file { r_file_perms unlink };
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# mkinitrd mount initrd on bootloader temp dir
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files_mountpoint(bootloader_tmp_t)
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# new file system defaults to file_t, granting file_t access is still bad.
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files_manage_isid_type_dir(bootloader_t)
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files_manage_isid_type_file(bootloader_t)
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files_manage_isid_type_symlink(bootloader_t)
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files_manage_isid_type_blk_node(bootloader_t)
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files_manage_isid_type_chr_node(bootloader_t)
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# for mke2fs
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mount_domtrans(bootloader_t)
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')
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optional_policy(`filesystemtools.te',`
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filesystemtools_execute(bootloader_t)
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')
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optional_policy(`lvm.te',`
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dev_rw_lvm_control(bootloader_t)
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lvm_domtrans(bootloader_t)
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lvm_read_config(bootloader_t)
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')
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optional_policy(`modutils.te',`
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modutils_exec_insmod(insmod_t)
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modutils_read_mods_deps(bootloader_t)
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modutils_read_module_conf(bootloader_t)
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modutils_exec_insmod(bootloader_t)
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modutils_exec_depmod(bootloader_t)
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modutils_exec_update_mods(bootloader_t)
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')
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ifdef(`TODO',`
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dontaudit bootloader_t selinux_config_t:dir search;
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dontaudit bootloader_t { staff_home_dir_t sysadm_home_dir_t }:dir search;
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dontaudit bootloader_t devpts_t:dir create_dir_perms;
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ifdef(`distro_debian', `
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allow bootloader_t { usr_t lib_t fsadm_exec_t }:file relabelto;
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allow bootloader_t { usr_t lib_t fsadm_exec_t }:file create_file_perms;
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allow bootloader_t tmpfs_t:dir r_dir_perms;
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allow bootloader_t initrc_var_run_t:dir r_dir_perms;
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allow bootloader_t var_lib_t:dir search;
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allow bootloader_t dpkg_var_lib_t:dir r_dir_perms;
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allow bootloader_t dpkg_var_lib_t:file { getattr read };
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')
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') dnl end TODO
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