policy_module(prelink, 1.9.0)

########################################

#

# Declarations

attribute prelink_object;

type prelink_t;

type prelink_exec_t;

init_system_domain(prelink_t, prelink_exec_t)

domain_obj_id_change_exemption(prelink_t)

type prelink_cache_t;

files_type(prelink_cache_t)

type prelink_cron_system_t;

type prelink_cron_system_exec_t;

domain_type(prelink_cron_system_t)

domain_entry_file(prelink_cron_system_t, prelink_cron_system_exec_t)

type prelink_log_t;

logging_log_file(prelink_log_t)

type prelink_tmp_t;

files_tmp_file(prelink_tmp_t)

type prelink_tmpfs_t;

files_tmpfs_file(prelink_tmpfs_t)

type prelink_var_lib_t;

files_type(prelink_var_lib_t)

########################################

#

# Local policy

#

allow prelink_t self:capability { chown dac_override fowner fsetid sys_resource };

allow prelink_t self:process { execheap execmem execstack signal };

allow prelink_t self:fifo_file rw_fifo_file_perms;

allow prelink_t prelink_cache_t:file manage_file_perms;

files_etc_filetrans(prelink_t, prelink_cache_t, file)

allow prelink_t prelink_log_t:dir setattr;

create_files_pattern(prelink_t, prelink_log_t, prelink_log_t)

append_files_pattern(prelink_t, prelink_log_t, prelink_log_t)

read_lnk_files_pattern(prelink_t, prelink_log_t, prelink_log_t)

logging_log_filetrans(prelink_t, prelink_log_t, file)

allow prelink_t prelink_tmp_t:file { manage_file_perms execute relabelfrom execmod };

files_tmp_filetrans(prelink_t, prelink_tmp_t, file)

allow prelink_t prelink_tmpfs_t:file { manage_file_perms execute relabelfrom execmod };

fs_tmpfs_filetrans(prelink_t, prelink_tmpfs_t, file)

manage_dirs_pattern(prelink_t, prelink_var_lib_t, prelink_var_lib_t)

manage_files_pattern(prelink_t, prelink_var_lib_t, prelink_var_lib_t)

relabel_files_pattern(prelink_t, prelink_var_lib_t, prelink_var_lib_t)

files_var_lib_filetrans(prelink_t, prelink_var_lib_t, { dir file })

# prelink misc objects that are not system

# libraries or entrypoints

allow prelink_t prelink_object:file { manage_file_perms execute relabelto relabelfrom };

kernel_read_system_state(prelink_t)

kernel_read_kernel_sysctls(prelink_t)

corecmd_manage_all_executables(prelink_t)

corecmd_relabel_all_executables(prelink_t)

corecmd_mmap_all_executables(prelink_t)

corecmd_read_bin_symlinks(prelink_t)

dev_read_urand(prelink_t)

files_list_all(prelink_t)

files_getattr_all_files(prelink_t)

files_write_non_security_dirs(prelink_t)

files_read_etc_files(prelink_t)

files_read_etc_runtime_files(prelink_t)

files_dontaudit_read_all_symlinks(prelink_t)

files_manage_usr_files(prelink_t)

files_manage_var_files(prelink_t)

files_relabelfrom_usr_files(prelink_t)

fs_getattr_xattr_fs(prelink_t)

selinux_get_enforce_mode(prelink_t)

libs_exec_ld_so(prelink_t)

libs_legacy_use_shared_libs(prelink_t)

libs_manage_ld_so(prelink_t)

libs_relabel_ld_so(prelink_t)

libs_manage_shared_libs(prelink_t)

libs_relabel_shared_libs(prelink_t)

libs_delete_lib_symlinks(prelink_t)

miscfiles_read_localization(prelink_t)

userdom_use_user_terminals(prelink_t)

optional_policy(`

	amanda_manage_lib(prelink_t)

')

optional_policy(`

	cron_system_entry(prelink_t, prelink_exec_t)

')

optional_policy(`

	rpm_manage_tmp_files(prelink_t)

')

optional_policy(`

	unconfined_domain(prelink_t)

')

########################################

#

# Prelink Cron system Policy

#

optional_policy(`

	allow prelink_cron_system_t self:capability setuid;

	allow prelink_cron_system_t self:process { setsched setfscreate };

	allow prelink_cron_system_t self:fifo_file rw_fifo_file_perms;

	allow prelink_cron_system_t self:unix_dgram_socket { write bind create setopt };

	read_files_pattern(prelink_cron_system_t, prelink_cache_t, prelink_cache_t)

	allow prelink_cron_system_t prelink_cache_t:file unlink;

	domtrans_pattern(prelink_cron_system_t, prelink_exec_t, prelink_t)

	allow prelink_cron_system_t prelink_t:process noatsecure;

	manage_files_pattern(prelink_cron_system_t, prelink_log_t, prelink_log_t)

	manage_files_pattern(prelink_cron_system_t, prelink_var_lib_t, prelink_var_lib_t)

	files_var_lib_filetrans(prelink_cron_system_t, prelink_var_lib_t, file)

	allow prelink_cron_system_t prelink_var_lib_t:file { relabelfrom relabelto };

	kernel_read_system_state(prelink_cron_system_t)

	corecmd_exec_bin(prelink_cron_system_t)

	corecmd_exec_shell(prelink_cron_system_t)

	files_read_etc_files(prelink_cron_system_t)

	init_exec(prelink_cron_system_t)

	libs_exec_ld_so(prelink_cron_system_t)

	logging_search_logs(prelink_cron_system_t)

	miscfiles_read_localization(prelink_cron_system_t)

	cron_system_entry(prelink_cron_system_t, prelink_cron_system_exec_t)

	optional_policy(`

		rpm_read_db(prelink_cron_system_t)

	')

')