selinux-policy/policy/modules/admin/bootloader.if

## <summary>Policy for the kernel modules, kernel image, and bootloader.</summary>

########################################
## <summary>
##	Execute bootloader in the bootloader domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`bootloader_domtrans',`
	gen_require(`
		type bootloader_t, bootloader_exec_t;
	')

	domtrans_pattern($1, bootloader_exec_t, bootloader_t)
')

########################################
## <summary>
##	Execute bootloader interactively and do
##	a domain transition to the bootloader domain.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed the bootloader domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`bootloader_run',`
	gen_require(`
		type bootloader_t;
	')

	bootloader_domtrans($1)

	role $2 types bootloader_t;

	ifdef(`distro_redhat',`
		# for mke2fs
		mount_run(bootloader_t, $2)
	')
')

########################################
## <summary>
##	Read the bootloader configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`bootloader_read_config',`
	gen_require(`
		type bootloader_etc_t;
	')

	allow $1 bootloader_etc_t:file read_file_perms;
')

########################################
## <summary>
##	Read and write the bootloader
##	configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
## <rolecap/>
#
interface(`bootloader_rw_config',`
	gen_require(`
		type bootloader_etc_t;
	')

	allow $1 bootloader_etc_t:file rw_file_perms;
')

########################################
## <summary>
##	Read and write the bootloader
##	temporary data in /tmp.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`bootloader_rw_tmp_files',`
	gen_require(`
		type bootloader_tmp_t;
	')

	# FIXME: read tmp_t dir
	allow $1 bootloader_tmp_t:file rw_file_perms;
')

########################################
## <summary>
##	Read and write the bootloader
##	temporary data in /tmp.
## </summary>
## <param name="domain">
##	<summary>
##	The type of the process performing this action.
##	</summary>
## </param>
#
interface(`bootloader_create_runtime_file',`
	gen_require(`
		type boot_runtime_t;
	')

	allow $1 boot_runtime_t:file { create_file_perms rw_file_perms };
	files_boot_filetrans($1, boot_runtime_t, file)
')