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

########################################

## <summary>

##	Execute bootloader in the bootloader domain.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_domtrans',`

	gen_require(`

		type bootloader_t;

		class process sigchld;

		class fd use;

		class fifo_file rw_file_perms;

	')

	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">

##	The type of the process performing this action.

## </param>

## <param name="role">

##	The role to be allowed the bootloader domain.

## </param>

## <param name="terminal">

##	The type of the terminal allow the bootloader domain to use.

## </param>

#

interface(`bootloader_run',`

	gen_require(`

		type bootloader_t;

		class chr_file rw_file_perms;

	')

	bootloader_domtrans($1)

	role $2 types bootloader_t;

	allow bootloader_t $3:chr_file rw_file_perms;

')

########################################

## <summary>

##	Do not audit attempts to get attributes

##	of the /boot directory.

## </summary>

## <param name="domain">

##	Domain to not audit.

## </param>

#

interface(`bootloader_dontaudit_getattr_boot_dir',`

	gen_require(`

		type boot_t;

		class dir getattr;

	')

	dontaudit $1 boot_t:dir getattr;

')

########################################

## <summary>

##	Search the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_search_boot',`

	gen_require(`

		type boot_t;

		class dir search;

	')

	allow $1 boot_t:dir search;

')

########################################

## <summary>

##	Do not audit attempts to search the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_dontaudit_search_boot',`

	gen_require(`

		type boot_t;

		class dir search;

	')

	dontaudit $1 boot_t:dir search;

')

########################################

## <summary>

##	Read and write symbolic links

##	in the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_rw_boot_symlinks',`

	gen_require(`

		type boot_t;

		class dir r_dir_perms;

		class lnk_file rw_file_perms;

	')

	allow $1 boot_t:dir r_dir_perms;

	allow $1 boot_t:lnk_file rw_file_perms;

')

########################################

## <summary>

##	Install a kernel into the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_create_kernel',`

	gen_require(`

		type boot_t;

		class dir ra_dir_perms;

		class file { getattr read write create };

		class lnk_file { getattr read create unlink };

	')

	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 };

')

########################################

## <summary>

##	Install a system.map into the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_create_kernel_symbol_table',`

	gen_require(`

		type boot_t, system_map_t;

		class dir ra_dir_perms;

		class file { rw_file_perms create };

	')

	allow $1 boot_t:dir ra_dir_perms;

	allow $1 system_map_t:file { rw_file_perms create };

')

########################################

## <summary>

##	Read system.map in the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_read_kernel_symbol_table',`

	gen_require(`

		type boot_t, system_map_t;

		class dir r_dir_perms;

		class file r_file_perms;

	')

	allow $1 boot_t:dir r_dir_perms;

	allow $1 system_map_t:file r_file_perms;

')

########################################

## <summary>

##	Delete a kernel from /boot.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_delete_kernel',`

	gen_require(`

		type boot_t;

		class dir { r_dir_perms write remove_name };

		class file { getattr unlink };

	')

	allow $1 boot_t:dir { r_dir_perms write remove_name };

	allow $1 boot_t:file { getattr unlink };

')

########################################

## <summary>

##	Delete a system.map in the /boot directory.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_delete_kernel_symbol_table',`

	gen_require(`

		type boot_t, system_map_t;

		class dir { r_dir_perms write remove_name };

		class file { getattr unlink };

	')

	allow $1 boot_t:dir { r_dir_perms write remove_name };

	allow $1 system_map_t:file { getattr unlink };

')

########################################

## <summary>

##	Read the bootloader configuration file.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_read_config',`

	gen_require(`

		type bootloader_etc_t;

		class file r_file_perms;

	')

	allow $1 bootloader_etc_t:file r_file_perms;

')

########################################

## <summary>

##	Read and write the bootloader

##	configuration file.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_rw_config',`

	gen_require(`

		type bootloader_etc_t;

		class file rw_file_perms;

	')

	allow $1 bootloader_etc_t:file rw_file_perms;

')

########################################

## <summary>

##	Read and write the bootloader

##	temporary data in /tmp.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_rw_tmp_file',`

	gen_require(`

		type bootloader_tmp_t;

		class file rw_file_perms;

	')

	# 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">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_create_runtime_file',`

	gen_require(`

		type boot_t, boot_runtime_t;

		class dir rw_dir_perms;

		class file { rw_file_perms create unlink };

	')

	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;

')

########################################

## <summary>

##	List the contents of the kernel module directories.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_list_kernel_modules',`

	gen_require(`

		type modules_object_t;

		class dir r_dir_perms;

	')

	allow $1 modules_object_t:dir r_dir_perms;

')

########################################

## <summary>

##	Get the attributes of kernel module files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_getattr_kernel_modules',`

	gen_require(`

		type modules_object_t;

		class dir search;

		class file getattr;

	')

	allow $1 modules_object_t:dir search;

	allow $1 modules_object_t:dir getattr;

')

########################################

## <summary>

##	Read kernel module files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_read_kernel_modules',`

	gen_require(`

		type modules_object_t;

		class dir r_dir_perms;

		class lnk_file r_file_perms;

		class file r_file_perms;

	')

	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;

')

########################################

## <summary>

##	Write kernel module files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_write_kernel_modules',`

	gen_require(`

		attribute rw_kern_modules;

		type modules_object_t;

		class dir r_dir_perms;

		class file { write append };

	')

	allow $1 modules_object_t:dir r_dir_perms;

	allow $1 modules_object_t:file { write append };

	typeattribute $1 rw_kern_modules;

')

########################################

## <summary>

##	Create, read, write, and delete

##	kernel module files.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`bootloader_manage_kernel_modules',`

	gen_require(`

		attribute rw_kern_modules;

		type modules_object_t;

		class file { getattr create read write setattr unlink };

		class dir rw_dir_perms;

	')

	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;

')

########################################

#

# bootloader_create_modules(domain,privatetype,[class(es)])

#

interface(`bootloader_create_modules',`

	gen_require(`

		type modules_object_t;

		class dir rw_dir_perms;

	')

	allow $1 modules_object_t:dir rw_dir_perms;

	# 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;

	')

')