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;
	')

	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;
')

########################################
## <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>
## <param name="terminal">
##	<summary>
##	The type of the terminal allow the bootloader domain to use.
##	</summary>
## </param>
#
interface(`bootloader_run',`
	gen_require(`
		type bootloader_t;
	')

	bootloader_domtrans($1)

	role $2 types bootloader_t;
	allow bootloader_t $3:chr_file rw_file_perms;
')

########################################
## <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 r_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>
#
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_t, boot_runtime_t;
	')

	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;
')