policy_module(libraries,1.7.0)

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

#

# Declarations

#

#

# ld_so_cache_t is the type of /etc/ld.so.cache.

#

type ld_so_cache_t;

files_type(ld_so_cache_t)

#

# ld_so_t is the type of the system dynamic loaders.

#

type ld_so_t;

files_type(ld_so_t)

type ldconfig_t;

type ldconfig_exec_t;

init_system_domain(ldconfig_t,ldconfig_exec_t)

role system_r types ldconfig_t;

type ldconfig_tmp_t;

files_tmp_file(ldconfig_tmp_t)

#

# lib_t is the type of files in the system lib directories.

#

type lib_t;

files_type(lib_t)

#

# shlib_t is the type of shared objects in the system lib

# directories.

#

ifdef(`targeted_policy',`

	typealias lib_t alias shlib_t;

',`

	type shlib_t;

	files_type(shlib_t)

')

#

# textrel_shlib_t is the type of shared objects in the system lib

# directories, which require text relocation.

#

type textrel_shlib_t alias texrel_shlib_t;

files_type(textrel_shlib_t)

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

#

# ldconfig local policy

#

allow ldconfig_t self:capability sys_chroot;

allow ldconfig_t ld_so_cache_t:file manage_file_perms;

files_etc_filetrans(ldconfig_t,ld_so_cache_t,file)

manage_dirs_pattern(ldconfig_t,ldconfig_tmp_t,ldconfig_tmp_t)

manage_files_pattern(ldconfig_t,ldconfig_tmp_t,ldconfig_tmp_t)

manage_lnk_files_pattern(ldconfig_t,ldconfig_tmp_t,ldconfig_tmp_t)

files_tmp_filetrans(ldconfig_t, ldconfig_tmp_t, { file dir lnk_file })

manage_lnk_files_pattern(ldconfig_t,lib_t,lib_t)

kernel_read_system_state(ldconfig_t)

fs_getattr_xattr_fs(ldconfig_t)

domain_use_interactive_fds(ldconfig_t)

files_search_var_lib(ldconfig_t)

files_read_etc_files(ldconfig_t)

files_search_tmp(ldconfig_t)

files_search_usr(ldconfig_t)

# for when /etc/ld.so.cache is mislabeled:

files_delete_etc_files(ldconfig_t)

init_use_script_ptys(ldconfig_t)

libs_use_ld_so(ldconfig_t)

libs_use_shared_libs(ldconfig_t)

miscfiles_read_localization(ldconfig_t)

logging_send_syslog_msg(ldconfig_t)

userdom_use_all_users_fds(ldconfig_t)

ifdef(`hide_broken_symptoms',`

	optional_policy(`

		unconfined_dontaudit_rw_tcp_sockets(ldconfig_t)

	')

')

ifdef(`targeted_policy',`

	allow ldconfig_t lib_t:file read_file_perms;

	files_read_generic_tmp_symlinks(ldconfig_t)

	term_dontaudit_use_generic_ptys(ldconfig_t)

	term_dontaudit_use_unallocated_ttys(ldconfig_t)

')

optional_policy(`

	# dontaudit access to /usr/lib/apache, normal programs cannot read these libs anyway

	apache_dontaudit_search_modules(ldconfig_t)

')

optional_policy(`

	# When you install a kernel the postinstall builds a initrd image in tmp 

	# and executes ldconfig on it.  If you dont allow this kernel installs 

	# blow up.

	rpm_manage_script_tmp_files(ldconfig_t)

')