policy_module(prelink,1.3.2)

########################################
#
# 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_log_t;
logging_log_file(prelink_log_t)

type prelink_tmp_t;
files_tmp_file(prelink_tmp_t)

########################################
#
# Local policy
#

allow prelink_t self:capability { chown dac_override fowner fsetid };
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)
files_var_lib_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 };
files_tmp_filetrans(prelink_t, prelink_tmp_t, file)
fs_tmpfs_filetrans(prelink_t, prelink_tmp_t, 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_dontaudit_search_kernel_sysctl(prelink_t)
kernel_dontaudit_search_sysctl(prelink_t)

corecmd_manage_all_executables(prelink_t)
corecmd_relabel_all_executables(prelink_t)
corecmd_mmap_all_executables(prelink_t)
corecmd_read_sbin_symlinks(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)

fs_getattr_xattr_fs(prelink_t)

selinux_get_enforce_mode(prelink_t)

libs_use_ld_so(prelink_t)
libs_exec_ld_so(prelink_t)
libs_manage_ld_so(prelink_t)
libs_relabel_ld_so(prelink_t)
libs_use_shared_libs(prelink_t)
libs_manage_shared_libs(prelink_t)
libs_relabel_shared_libs(prelink_t)
libs_use_lib_files(prelink_t)
libs_manage_lib_files(prelink_t)
libs_relabel_lib_files(prelink_t)
libs_delete_lib_symlinks(prelink_t)

miscfiles_read_localization(prelink_t)

ifdef(`targeted_policy',`
	term_use_unallocated_ttys(prelink_t)
	term_use_generic_ptys(prelink_t)

	# prelink executables in the user homedir
	userdom_manage_generic_user_home_content_files(prelink_t)
	userdom_mmap_generic_user_home_content_files(prelink_t)
	userdom_dontaudit_relabel_generic_user_home_content_files(prelink_t)
')

optional_policy(`
	amanda_manage_lib(prelink_t)
')

optional_policy(`
	cron_system_entry(prelink_t, prelink_exec_t)
')