debian-selinux-policies/policy/modules/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>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`bootloader_domtrans',`
	gen_require(`
		type bootloader_t, bootloader_exec_t;
	')

	corecmd_search_bin($1)
	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>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`bootloader_run',`
	gen_require(`
		attribute_role bootloader_roles;
	')

	bootloader_domtrans($1)
	roleattribute $2 bootloader_roles;
')

########################################
## <summary>
##	Execute bootloader in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`bootloader_exec',`
	gen_require(`
		type bootloader_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, bootloader_exec_t)
')

########################################
## <summary>
##	Read the bootloader configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</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>
##	Domain allowed access.
##	</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>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`bootloader_rw_tmp_files',`
	gen_require(`
		type bootloader_tmp_t;
	')

	files_search_tmp($1)
	allow $1 bootloader_tmp_t:file rw_file_perms;
')

########################################
## <summary>
##	Read and write the bootloader
##	temporary data in /tmp.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</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)
')