policy_module(libraries,1.0) ######################################## # # Declarations # # # ld_so_cache_t is the type of /etc/ld.so.cache. # type ld_so_cache_t; files_file_type(ld_so_cache_t) # # ld_so_t is the type of the system dynamic loaders. # type ld_so_t; files_file_type(ld_so_t) # # lib_t is the type of files in the system lib directories. # type lib_t; files_file_type(lib_t) # # shlib_t is the type of shared objects in the system lib # directories. # type shlib_t; files_file_type(shlib_t) # # texrel_shlib_t is the type of shared objects in the system lib # directories, which require text relocation. # type texrel_shlib_t; files_file_type(texrel_shlib_t) ######################################## # # ldconfig local policy # type ldconfig_t; type ldconfig_exec_t; init_system_domain(ldconfig_t,ldconfig_exec_t) role system_r types ldconfig_t; allow ldconfig_t ld_so_cache_t:file create_file_perms; files_create_etc_config(ldconfig_t,ld_so_cache_t,file) allow ldconfig_t lib_t:dir rw_dir_perms; allow ldconfig_t lib_t:lnk_file { getattr create read unlink }; allow ldconfig_t ld_so_t:lnk_file r_file_perms; allow ldconfig_t ld_so_t:file rx_file_perms; allow ldconfig_t ld_so_cache_t:file r_file_perms; allow ldconfig_t { shlib_t texrel_shlib_t }:lnk_file r_file_perms; allow ldconfig_t { shlib_t texrel_shlib_t }:file rx_file_perms; kernel_read_system_state(ldconfig_t) fs_getattr_xattr_fs(ldconfig_t) domain_use_wide_inherit_fd(ldconfig_t) files_search_var_lib(ldconfig_t) files_read_generic_etc_files(ldconfig_t) # for when /etc/ld.so.cache is mislabeled: files_delete_generic_etc_files(ldconfig_t) init_use_script_pty(ldconfig_t) logging_send_syslog_msg(ldconfig_t) userdom_use_all_user_fd(ldconfig_t) ifdef(`TODO',` allow ldconfig_t tmp_t:dir search; ifdef(`apache.te', ` # dontaudit access to /usr/lib/apache, normal programs cannot read these libs anyway dontaudit ldconfig_t httpd_modules_t:dir search; ') ifdef(`hide_broken_symptoms', ` ifdef(`unconfined.te',` dontaudit ldconfig_t unconfined_t:tcp_socket { read write }; ') ') ifdef(`targeted_policy', ` allow ldconfig_t lib_t:file r_file_perms; unconfined_domain(ldconfig_t) ') ') dnl end TODO