## ## Policy for the kernel modules, kernel image, and bootloader. ######################################## ## ## ## Execute bootloader in the bootloader domain. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_domtrans',` gen_require(`$0'_depend) domain_auto_trans($1, bootloader_exec_t, bootloader_t) allow $1 bootloader_t:fd use; allow bootloader_t $1:fd use; allow bootloader_t $1:fifo_file rw_file_perms; allow bootloader_t $1:process sigchld; ') define(`bootloader_domtrans_depend',` type bootloader_t; class file { getattr read execute }; class process { transition noatsecure siginh rlimitinh sigchld }; class fd use; class fifo_file rw_file_perms; ') ######################################## ## ## ## Execute bootloader interactively and do ## a domain transition to the bootloader domain. ## ## ## The type of the process performing this action. ## ## ## The role to be allowed the bootloader domain. ## ## ## The type of the terminal allow the bootloader domain to use. ## ## # define(`bootloader_run',` gen_require(`$0'_depend) bootloader_domtrans($1) role $2 types bootloader_t; allow bootloader_t $3:chr_file rw_file_perms; ') define(`bootloader_run_depend',` type bootloader_t; class chr_file rw_file_perms; ') ######################################## ## ## ## Search the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_search_boot_dir',` gen_require(`$0'_depend) allow $1 boot_t:dir search; ') define(`bootloader_search_boot_dir_depend',` type boot_t; class dir search; ') ######################################## ## ## ## Do not audit attempts to search the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_dontaudit_search_boot',` gen_require(`$0'_depend) dontaudit $1 boot_t:dir search; ') define(`bootloader_dontaudit_search_boot_depend',` type boot_t; class dir search; ') ######################################## ## ## ## Read and write symbolic links ## in the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_rw_boot_symlinks',` gen_require(`$0'_depend) allow $1 boot_t:dir r_dir_perms; allow $1 boot_t:lnk_file rw_file_perms; ') define(`bootloader_rw_boot_symlinks_depend',` type boot_t; class dir r_dir_perms; class lnk_file rw_file_perms; ') ######################################## ## ## ## Install a kernel into the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_create_kernel',` gen_require(`$0'_depend) allow $1 boot_t:dir ra_dir_perms; allow $1 boot_t:file { getattr read write create }; allow $1 boot_t:lnk_file { getattr read create unlink }; ') define(`bootloader_create_kernel_depend',` type boot_t; class dir ra_dir_perms; class file { getattr read write create }; class lnk_file { getattr read create unlink }; ') ######################################## ## ## ## Install a system.map into the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_create_kernel_symbol_table',` gen_require(`$0'_depend) allow $1 boot_t:dir ra_dir_perms; allow $1 system_map_t:file { rw_file_perms create }; ') define(`bootloader_create_kernel_symbol_table_depend',` type boot_t, system_map_t; class dir ra_dir_perms; class file { rw_file_perms create }; ') ######################################## ## ## ## Read system.map in the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_read_kernel_symbol_table',` gen_require(`$0'_depend) allow $1 boot_t:dir r_dir_perms; allow $1 system_map_t:file r_file_perms; ') define(`bootloader_read_kernel_symbol_table_depend',` type boot_t, system_map_t; class dir r_dir_perms; class file r_file_perms; ') ######################################## ## ## ## Delete a kernel from /boot. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_delete_kernel',` gen_require(`$0'_depend) allow $1 boot_t:dir { r_dir_perms write remove_name }; allow $1 boot_t:file { getattr unlink }; ') define(`bootloader_delete_kernel_depend',` type boot_t; class dir { r_dir_perms write remove_name }; class file { getattr unlink }; ') ######################################## ## ## ## Delete a system.map in the /boot directory. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_delete_kernel_symbol_table',` gen_require(`$0'_depend) allow $1 boot_t:dir { r_dir_perms write remove_name }; allow $1 system_map_t:file { getattr unlink }; ') define(`bootloader_delete_kernel_symbol_table_depend',` type boot_t, system_map_t; class dir { r_dir_perms write remove_name }; class file { getattr unlink }; ') ######################################## ## ## ## Read the bootloader configuration file. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_read_config',` gen_require(`$0'_depend) allow $1 bootloader_etc_t:file r_file_perms; ') define(`bootloader_read_config_depend',` type bootloader_etc_t; class file r_file_perms; ') ######################################## ## ## ## Read and write the bootloader ## configuration file. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_rw_config',` gen_require(`$0'_depend) allow $1 bootloader_etc_t:file rw_file_perms; ') define(`bootloader_rw_config_depend',` type bootloader_etc_t; class file rw_file_perms; ') ######################################## ## ## ## Read and write the bootloader ## temporary data in /tmp. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_rw_tmp_file',` gen_require(`$0'_depend) # FIXME: read tmp_t allow $1 bootloader_tmp_t:file rw_file_perms; ') define(`bootloader_rw_tmp_file_depend',` type bootloader_tmp_t; class file rw_file_perms; ') ######################################## ## ## ## Read and write the bootloader ## temporary data in /tmp. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_create_runtime_file',` gen_require(`$0'_depend) allow $1 boot_t:dir rw_dir_perms; allow $1 boot_runtime_t:file { rw_file_perms create unlink }; type_transition $1 boot_t:file boot_runtime_t; ') define(`bootloader_create_runtime_file_depend',` type boot_t, boot_runtime_t; class dir rw_dir_perms; class file { rw_file_perms create unlink }; ') ######################################## ## ## ## List the contents of the kernel module directories. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_list_kernel_modules',` gen_require(`$0'_depend) allow $1 modules_object_t:dir r_dir_perms; ') define(`bootloader_list_kernel_modules_depend',` type modules_object_t; class dir r_dir_perms; ') ######################################## ## ## ## Read kernel module files. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_read_kernel_modules',` gen_require(`$0'_depend) allow $1 modules_object_t:dir r_dir_perms; allow $1 modules_object_t:lnk_file r_file_perms; allow $1 modules_object_t:file r_file_perms; ') define(`bootloader_read_kernel_modules_depend',` type modules_object_t; class dir r_dir_perms; class lnk_file r_file_perms; class file r_file_perms; ') ######################################## ## ## ## Write kernel module files. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_write_kernel_modules',` gen_require(`$0'_depend) allow $1 modules_object_t:dir r_dir_perms; allow $1 modules_object_t:file { write append }; typeattribute $1 rw_kern_modules; ') define(`bootloader_write_kernel_modules_depend',` attribute rw_kern_modules; type modules_object_t; class dir r_dir_perms; class file { write append }; ') ######################################## ## ## ## Create, read, write, and delete ## kernel module files. ## ## ## The type of the process performing this action. ## ## # define(`bootloader_manage_kernel_modules',` gen_require(`$0'_depend) allow $1 modules_object_t:file { rw_file_perms create setattr unlink }; allow $1 modules_object_t:dir rw_dir_perms; typeattribute $1 rw_kern_modules; ') define(`bootloader_manage_kernel_modules_depend',` attribute rw_kern_modules; type modules_object_t; class file { getattr create read write setattr unlink }; class dir rw_dir_perms; ') ######################################## # # bootloader_create_private_module_dir_entry(domain,privatetype,[class(es)]) # define(`bootloader_create_private_module_dir_entry',` gen_require(`$0'_depend) allow $1 modules_object_t:dir { getattr search read write add_name remove_name }; # if a class is specified use it, else use file as default ifelse(`$3',`',` type_transition $1 modules_object_t:file $2; ',` type_transition $1 modules_object_t:$3 $2; ') ') define(`bootloader_create_private_module_dir_entry_depend',` type modules_object_t; class dir { getattr search read write add_name remove_name }; ') ##