selinux-policy/policy/modules/kernel/devices.te

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policy_module(devices,1.3.1)
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########################################
#
# Declarations
#
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attribute device_node;
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attribute memory_raw_read;
attribute memory_raw_write;
attribute devices_unconfined_type;
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#
# device_t is the type of /dev.
#
type device_t;
fs_associate_tmpfs(device_t)
files_type(device_t)
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files_mountpoint(device_t)
files_associate_tmp(device_t)
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#
# Type for /dev/agpgart
#
type agp_device_t;
dev_node(agp_device_t)
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#
# Type for /dev/apm_bios
#
type apm_bios_t;
dev_node(apm_bios_t)
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type cardmgr_dev_t;
dev_node(cardmgr_dev_t)
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files_tmp_file(cardmgr_dev_t)
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#
# clock_device_t is the type of
# /dev/rtc.
#
type clock_device_t;
dev_node(clock_device_t)
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#
# cpu control devices /dev/cpu/0/*
#
type cpu_device_t;
dev_node(cpu_device_t)
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# for the IBM zSeries z90crypt hardware ssl accelorator
type crypt_device_t;
dev_node(crypt_device_t)
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type dri_device_t;
dev_node(dri_device_t)
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type event_device_t;
dev_node(event_device_t)
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#
# Type for framebuffer /dev/fb/*
#
type framebuf_device_t;
dev_node(framebuf_device_t)
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#
# Type for /dev/kmsg
#
type kmsg_device_t;
dev_node(kmsg_device_t)
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#
# Type for /dev/mapper/control
#
type lvm_control_t;
dev_node(lvm_control_t)
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#
# memory_device_t is the type of /dev/kmem,
# /dev/mem and /dev/port.
#
type memory_device_t;
dev_node(memory_device_t)
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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 };
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type misc_device_t;
dev_node(misc_device_t)
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#
# A more general type for mouse devices.
#
type mouse_device_t;
dev_node(mouse_device_t)
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#
# 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)
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#
# null_device_t is the type of /dev/null.
#
type null_device_t;
dev_node(null_device_t)
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mls_trusted_object(null_device_t)
sid devnull gen_context(system_u:object_r:null_device_t,s0)
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#
# Type for /dev/nvram
#
type nvram_device_t;
dev_node(nvram_device_t)
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#
# Type for /dev/pmu
#
type power_device_t;
dev_node(power_device_t)
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type printer_device_t;
dev_node(printer_device_t)
mls_file_write_within_range(printer_device_t)
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#
# random_device_t is the type of /dev/random
#
type random_device_t;
dev_node(random_device_t)
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type scanner_device_t;
dev_node(scanner_device_t)
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#
# Type for sound devices and mixers
#
type sound_device_t;
dev_node(sound_device_t)
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#
# 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)
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#
# urandom_device_t is the type of /dev/urandom
#
type urandom_device_t;
dev_node(urandom_device_t)
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#
# 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)
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# Type for vmware devices.
type vmware_device_t;
dev_node(vmware_device_t)
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type watchdog_device_t;
dev_node(watchdog_device_t)
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type xen_device_t;
dev_node(xen_device_t)
type xserver_misc_device_t;
dev_node(xserver_misc_device_t)
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#
# zero_device_t is the type of /dev/zero.
#
type zero_device_t;
dev_node(zero_device_t)
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mls_trusted_object(zero_device_t)
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########################################
#
# 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 } *;
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allow devices_unconfined_type mtrr_device_t:file *;