selinux-policy/refpolicy/policy/modules/kernel/storage.if

## <summary>Policy controlling access to storage devices</summary>

########################################
## <summary>
##	Allow the caller to get the attributes of fixed disk
##	device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_getattr_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		class blk_file getattr;
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file getattr;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to get
##	the attributes of fixed disk device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_getattr_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		class blk_file getattr;
	')

	dontaudit $1 fixed_disk_device_t:blk_file getattr;
')

########################################
## <summary>
##	Allow the caller to set the attributes of fixed disk
##	device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_setattr_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		class blk_file setattr;
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file setattr;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to set
##	the attributes of fixed disk device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_setattr_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
	')

	dontaudit $1 fixed_disk_device_t:blk_file setattr;
')

########################################
## <summary>
##	Allow the caller to directly read from a fixed disk.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_read_fixed_disk',`
	gen_require(`
		attribute fixed_disk_raw_read;
		type fixed_disk_device_t;
		class blk_file r_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file r_file_perms;
	typeattribute $1 fixed_disk_raw_read;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to read
##	fixed disk device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_read_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		
	')

	dontaudit $1 fixed_disk_device_t:blk_file { getattr ioctl read };
')

########################################
## <summary>
##	Allow the caller to directly write to a fixed disk.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_write_fixed_disk',`
	gen_require(`
		attribute fixed_disk_raw_write;
		type fixed_disk_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file { getattr write append ioctl };
	typeattribute $1 fixed_disk_raw_write;
')

########################################
## <summary>
##	Create block devices in /dev with the fixed disk type.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_create_fixed_disk',`
	gen_require(`
		attribute fixed_disk_raw_read, fixed_disk_raw_write;
		type fixed_disk_device_t;
		class blk_file create_file_perms;
	')

	allow $1 fixed_disk_device_t:blk_file create_file_perms;
	dev_create_dev_node($1,fixed_disk_device_t,blk_file)
	typeattribute $1 fixed_disk_raw_read, fixed_disk_raw_write;
')

########################################
## <summary>
##	Create, read, write, and delete fixed disk device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_manage_fixed_disk',`
	gen_require(`
		attribute fixed_disk_raw_read, fixed_disk_raw_write;
		type fixed_disk_device_t;
		class blk_file create_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file create_file_perms;
	typeattribute $1 fixed_disk_raw_read, fixed_disk_raw_write;
')

########################################
## <summary>
##	Create fixed disk device nodes on a tmpfs filesystem.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_create_fixed_disk_tmpfs',`
	gen_require(`
		attribute fixed_disk_raw_read, fixed_disk_raw_write;
		type fixed_disk_device_t;
		class blk_file create_file_perms;
	')

	allow $1 fixed_disk_device_t:blk_file create_file_perms;
	fs_create_tmpfs_data($1,fixed_disk_device_t,blk_file)

	typeattribute $1 fixed_disk_raw_read, fixed_disk_raw_write;
')

########################################
## <summary>
##	Relabel fixed disk device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_relabel_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		class blk_file { relabelfrom relabelto };
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file { relabelfrom relabelto };
')

########################################
## <summary>
##	Enable a fixed disk device as swap space
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_swapon_fixed_disk',`
	gen_require(`
		type fixed_disk_device_t;
		class blk_file { getattr swapon };
	')

	dev_list_all_dev_nodes($1)
	allow $1 fixed_disk_device_t:blk_file { getattr swapon };
')

########################################
## <summary>
##	Allow the caller to directly read from a logical volume.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_read_lvm_volume',`
	gen_require(`
		attribute fixed_disk_raw_read;
		type lvm_vg_t;
		class blk_file r_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 lvm_vg_t:blk_file r_file_perms;
	typeattribute $1 fixed_disk_raw_read;
')

########################################
## <summary>
##	Allow the caller to directly read from a logical volume.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_write_lvm_volume',`
	gen_require(`
		attribute fixed_disk_raw_write;
		type lvm_vg_t;
		class blk_file { getattr write ioctl };
	')

	dev_list_all_dev_nodes($1)
	allow $1 lvm_vg_t:blk_file { getattr write ioctl };
	typeattribute $1 fixed_disk_raw_write;
')

########################################
## <summary>
##	Allow the caller to get the attributes of
##	the generic SCSI interface device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_getattr_scsi_generic',`
	gen_require(`
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file getattr;
')

########################################
## <summary>
##	Allow the caller to set the attributes of
##	the generic SCSI interface device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_setattr_scsi_generic',`
	gen_require(`
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file setattr;
')

########################################
## <summary>
##	Allow the caller to directly read, in a
##	generic fashion, from any SCSI device.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_read_scsi_generic',`
	gen_require(`
		attribute scsi_generic_read;
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file r_file_perms;
	typeattribute $1 scsi_generic_read;
')

########################################
## <summary>
##	Allow the caller to directly write, in a
##	generic fashion, from any SCSI device.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_write_scsi_generic',`
	gen_require(`
		attribute scsi_generic_write;
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file { getattr write ioctl };
	typeattribute $1 scsi_generic_write;
')

########################################
## <summary>
##	Get attributes of the device nodes
##	for the SCSI generic inerface.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_getattr_scsi_generic',`
	gen_require(`
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file getattr;
')

########################################
## <summary>
##	Set attributes of the device nodes
##	for the SCSI generic inerface.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_set_scsi_generic_attributes',`
	gen_require(`
		type scsi_generic_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 scsi_generic_device_t:chr_file setattr;
')

########################################
## <summary>
##	Allow the caller to get the attributes of removable
##	devices device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_getattr_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file getattr;
	')

	dev_list_all_dev_nodes($1)
	allow $1 removable_device_t:blk_file getattr;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to get
##	the attributes of removable devices device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_getattr_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file getattr;
	')

	dontaudit $1 removable_device_t:blk_file getattr;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to read
##	removable devices device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_read_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file { getattr ioctl read };
		
	')

	dontaudit $1 removable_device_t:blk_file { getattr ioctl read };
')

########################################
## <summary>
##	Allow the caller to set the attributes of removable
##	devices device nodes.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_setattr_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file setattr;
	')

	dev_list_all_dev_nodes($1)
	allow $1 removable_device_t:blk_file setattr;
')

########################################
## <summary>
##	Do not audit attempts made by the caller to set
##	the attributes of removable devices device nodes.
## </summary>
## <param name="domain">
##	The type of the process to not audit.
## </param>
#
interface(`storage_dontaudit_setattr_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file setattr;
	')

	dontaudit $1 removable_device_t:blk_file setattr;
')

########################################
## <summary>
##	Allow the caller to directly read from
##	a removable device.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_read_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file r_file_perms;
	')

	dev_list_all_dev_nodes($1)
	allow $1 removable_device_t:blk_file r_file_perms;
')

########################################
## <summary>
##	Allow the caller to directly write to
##	a removable device.
##	This is extremly dangerous as it can bypass the
##	SELinux protections for filesystem objects, and
##	should only be used by trusted domains.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_raw_write_removable_device',`
	gen_require(`
		type removable_device_t;
		class blk_file { getattr write ioctl };
	')

	dev_list_all_dev_nodes($1)
	allow $1 removable_device_t:blk_file { getattr write ioctl };
')

########################################
## <summary>
##	Allow the caller to directly read
##	a tape device.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_read_tape_device',`
	gen_require(`
		type tape_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 tape_device_t:chr_file r_file_perms;
')

########################################
## <summary>
##	Allow the caller to directly read
##	a tape device.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_write_tape_device',`
	gen_require(`
		type tape_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 tape_device_t:chr_file { getattr write ioctl };
')

########################################
## <summary>
##	Allow the caller to get the attributes
##	of device nodes of tape devices.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_getattr_tape_device',`
	gen_require(`
		type tape_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 tape_device_t:chr_file getattr;
')

########################################
## <summary>
##	Allow the caller to set the attributes
##	of device nodes of tape devices.
## </summary>
## <param name="domain">
##	The type of the process performing this action.
## </param>
#
interface(`storage_setattr_tape_device',`
	gen_require(`
		type tape_device_t;
	')

	dev_list_all_dev_nodes($1)
	allow $1 tape_device_t:chr_file setattr;
')

########################################
## <summary>
##	Unconfined access to storage devices.
## </summary>
## <param name="domain">
##	Domain allowed access.
## </param>
#
interface(`storage_unconfined',`
	gen_require(`
		type fixed_disk_device_t, removable_device_t;
		type lvm_vg_t, scsi_generic_device_t, tape_device_t;
		attribute fixed_disk_raw_read, fixed_disk_raw_write;
		attribute scsi_generic_read, scsi_generic_write;
	')

	allow $1 { fixed_disk_device_t removable_device_t lvm_vg_t }:blk_file *;
	allow $1 { scsi_generic_device_t tape_device_t }:chr_file *;

	typeattribute $1 fixed_disk_raw_read, fixed_disk_raw_write;
	typeattribute $1 scsi_generic_read, scsi_generic_write;
')