policy_module(devices,1.6.0)

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

#

# Declarations

#

attribute device_node;

attribute memory_raw_read;

attribute memory_raw_write;

attribute devices_unconfined_type;

#

# device_t is the type of /dev.

#

type device_t;

fs_associate_tmpfs(device_t)

files_type(device_t)

files_mountpoint(device_t)

files_associate_tmp(device_t)

#

# Type for /dev/agpgart

#

type agp_device_t;

dev_node(agp_device_t)

#

# Type for /dev/apm_bios

#

type apm_bios_t;

dev_node(apm_bios_t)

type cardmgr_dev_t;

dev_node(cardmgr_dev_t)

files_tmp_file(cardmgr_dev_t)

#

# clock_device_t is the type of

# /dev/rtc.

#

type clock_device_t;

dev_node(clock_device_t)

#

# cpu control devices /dev/cpu/0/*

#

type cpu_device_t;

dev_node(cpu_device_t)

# for the IBM zSeries z90crypt hardware ssl accelorator

type crypt_device_t;

dev_node(crypt_device_t)

type dri_device_t;

dev_node(dri_device_t)

type event_device_t;

dev_node(event_device_t)

#

# Type for framebuffer /dev/fb/*

#

type framebuf_device_t;

dev_node(framebuf_device_t)

#

# Type for /dev/kmsg

#

type kmsg_device_t;

dev_node(kmsg_device_t)

#

# Type for /dev/mapper/control

#

type lvm_control_t;

dev_node(lvm_control_t)

#

# memory_device_t is the type of /dev/kmem,

# /dev/mem and /dev/port.

#

type memory_device_t;

dev_node(memory_device_t)

neverallow ~{ memory_raw_read devices_unconfined_type } memory_device_t:{ chr_file blk_file } read;

neverallow ~{ memory_raw_write devices_unconfined_type } memory_device_t:{ chr_file blk_file } { append write };

type misc_device_t;

dev_node(misc_device_t)

#

# A more general type for mouse devices.

#

type mouse_device_t;

dev_node(mouse_device_t)

#

# Type for /dev/cpu/mtrr and /proc/mtrr

#

type mtrr_device_t;

dev_node(mtrr_device_t)

genfscon proc /mtrr gen_context(system_u:object_r:mtrr_device_t,s0)

#

# null_device_t is the type of /dev/null.

#

type null_device_t;

dev_node(null_device_t)

mls_trusted_object(null_device_t)

sid devnull gen_context(system_u:object_r:null_device_t,s0)

#

# Type for /dev/nvram 

#

type nvram_device_t;

dev_node(nvram_device_t)

#

# Type for /dev/pmu 

#

type power_device_t;

dev_node(power_device_t)

type printer_device_t;

dev_node(printer_device_t)

mls_file_write_within_range(printer_device_t)

#

# random_device_t is the type of /dev/random

#

type random_device_t;

dev_node(random_device_t)

type scanner_device_t;

dev_node(scanner_device_t)

#

# Type for smartcards

#

type smartcard_device_t;

dev_node(smartcard_device_t)

#

# Type for sound devices and mixers

#

type sound_device_t;

dev_node(sound_device_t)

#

# sysfs_t is the type for the /sys pseudofs

#

type sysfs_t;

files_mountpoint(sysfs_t)

fs_type(sysfs_t)

genfscon sysfs / gen_context(system_u:object_r:sysfs_t,s0)

#

# urandom_device_t is the type of /dev/urandom

#

type urandom_device_t;

dev_node(urandom_device_t)

#

# usbfs_t is the type for the /proc/bus/usb pseudofs

#

type usbfs_t alias usbdevfs_t;

files_mountpoint(usbfs_t)

fs_noxattr_type(usbfs_t)

genfscon usbfs / gen_context(system_u:object_r:usbfs_t,s0)

genfscon usbdevfs / gen_context(system_u:object_r:usbfs_t,s0)

#

# usb_device_t is the type for /dev/bus/usb/[0-9]+/[0-9]+

#

type usb_device_t;

dev_node(usb_device_t)

type v4l_device_t;

dev_node(v4l_device_t)

# Type for vmware devices.

type vmware_device_t;

dev_node(vmware_device_t)

type watchdog_device_t;

dev_node(watchdog_device_t)

type xen_device_t;

dev_node(xen_device_t)

type xserver_misc_device_t;

dev_node(xserver_misc_device_t)

#

# zero_device_t is the type of /dev/zero.

#

type zero_device_t;

dev_node(zero_device_t)

mls_trusted_object(zero_device_t)

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

#

# Rules for all device nodes

#

fs_associate(device_node)

fs_associate_tmpfs(device_node)

files_associate_tmp(device_node)

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

#

# Unconfined access to this module

#

allow devices_unconfined_type self:capability sys_rawio;

allow devices_unconfined_type device_node:{ blk_file chr_file } *;

allow devices_unconfined_type mtrr_device_t:file *;