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#
# Copyright (c) 1999--2016 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
""" Get hardware info using HAL """
from haltree import HalTree, HalDevice
import dbus
#PCI DEVICE DEFINES
# These are taken from pci_ids.h in the linux kernel source and used to
# properly identify the hardware
PCI_BASE_CLASS_STORAGE = 1
PCI_CLASS_STORAGE_SCSI = 0
PCI_CLASS_STORAGE_IDE = 1
PCI_CLASS_STORAGE_FLOPPY = 2
PCI_CLASS_STORAGE_IPI = 3
PCI_CLASS_STORAGE_RAID = 4
PCI_CLASS_STORAGE_OTHER = 80
PCI_BASE_CLASS_NETWORK = 2
PCI_CLASS_NETWORK_ETHERNET = 0
PCI_CLASS_NETWORK_TOKEN_RING = 1
PCI_CLASS_NETWORK_FDDI = 2
PCI_CLASS_NETWORK_ATM = 3
PCI_CLASS_NETWORK_OTHER = 80
PCI_BASE_CLASS_DISPLAY = 3
PCI_CLASS_DISPLAY_VGA = 0
PCI_CLASS_DISPLAY_XGA = 1
PCI_CLASS_DISPLAY_3D = 2
PCI_CLASS_DISPLAY_OTHER = 80
PCI_BASE_CLASS_MULTIMEDIA = 4
PCI_CLASS_MULTIMEDIA_VIDEO = 0
PCI_CLASS_MULTIMEDIA_AUDIO = 1
PCI_CLASS_MULTIMEDIA_PHONE = 2
PCI_CLASS_MULTIMEDIA_OTHER = 80
PCI_BASE_CLASS_BRIDGE = 6
PCI_CLASS_BRIDGE_HOST = 0
PCI_CLASS_BRIDGE_ISA = 1
PCI_CLASS_BRIDGE_EISA = 2
PCI_CLASS_BRIDGE_MC = 3
PCI_CLASS_BRIDGE_PCI = 4
PCI_CLASS_BRIDGE_PCMCIA = 5
PCI_CLASS_BRIDGE_NUBUS = 6
PCI_CLASS_BRIDGE_CARDBUS = 7
PCI_CLASS_BRIDGE_RACEWAY = 8
PCI_CLASS_BRIDGE_OTHER = 80
PCI_BASE_CLASS_COMMUNICATION = 7
PCI_CLASS_COMMUNICATION_SERIAL = 0
PCI_CLASS_COMMUNICATION_PARALLEL = 1
PCI_CLASS_COMMUNICATION_MULTISERIAL = 2
PCI_CLASS_COMMUNICATION_MODEM = 3
PCI_CLASS_COMMUNICATION_OTHER = 80
PCI_BASE_CLASS_INPUT = 9
PCI_CLASS_INPUT_KEYBOARD = 0
PCI_CLASS_INPUT_PEN = 1
PCI_CLASS_INPUT_MOUSE = 2
PCI_CLASS_INPUT_SCANNER = 3
PCI_CLASS_INPUT_GAMEPORT = 4
PCI_CLASS_INPUT_OTHER = 80
PCI_BASE_CLASS_SERIAL = 12
PCI_CLASS_SERIAL_FIREWIRE = 0
PCI_CLASS_SERIAL_ACCESS = 1
PCI_CLASS_SERIAL_SSA = 2
PCI_CLASS_SERIAL_USB = 3
PCI_CLASS_SERIAL_FIBER = 4
PCI_CLASS_SERIAL_SMBUS = 5
# read_hal()
#
# This reads in all the properties for each device from HAL, storing the
# property names & values into a dict. A list of dicts is returned.
#
# This only works on newer versions of dbus & HAL (as found in RHEL5)
def read_hal():
ret = []
bus = dbus.SystemBus()
hal_manager_obj = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/Manager')
hal_manager = dbus.Interface(hal_manager_obj,
'org.freedesktop.Hal.Manager')
device_list = hal_manager.GetAllDevices()
hal_tree = HalTree()
for udi in device_list:
device_obj = bus.get_object ('org.freedesktop.Hal', udi)
device = dbus.Interface(device_obj, 'org.freedesktop.Hal.Device')
properties = device.GetAllProperties()
haldev = HalDevice(properties)
hal_tree.add(haldev)
kudzu_list = process_hal_nodes(hal_tree.head)
return kudzu_list
# Recursive function, does all the dirty work for add_hal_hardware
def process_hal_nodes(node):
kudzu_list = []
node.classification = classify_hal(node)
if node.classification:
parent = node.parent
dev = {}
dev['class'] = node.classification
#get bus
dev['bus'] = str(get_device_bus(node))
#get scsi info
if dev['bus'] == 'scsi':
if 'scsi.host' in parent.properties:
dev['prop1'] = parent.properties['scsi.host']
if 'scsi.target' in parent.properties:
dev['prop2'] = parent.properties['scsi.target']
if 'scsi.bus' in parent.properties:
dev['prop3'] = parent.properties['scsi.bus']
if 'scsi.lun' in parent.properties:
dev['prop4'] = parent.properties['scsi.lun']
dev['driver'] = str(get_device_driver(node))
device_path = get_device_path(node)
if device_path:
dev['device'] = str(device_path)
dev['desc'] = str(get_device_description(node))
dev['pciType'] = str(get_device_pcitype(node))
dev['detached'] = 0
kudzu_list.append(dev)
for child in node.children:
child_list = process_hal_nodes(child)
kudzu_list.extend(child_list)
return kudzu_list
def classify_hal(node):
# NETWORK
if 'net.interface' in node.properties:
return 'NETWORK'
if 'info.product' in node.properties and 'info.category' in node.properties:
if node.properties['info.category'] == 'input':
# KEYBOARD <-- do this before mouse, some keyboards have built-in mice
if 'keyboard' in node.properties['info.product'].lower():
return 'KEYBOARD'
# MOUSE
if 'mouse' in node.properties['info.product'].lower():
return 'MOUSE'
if 'pci.device_class' in node.properties:
#VIDEO
if node.properties['pci.device_class'] == PCI_BASE_CLASS_DISPLAY:
return 'VIDEO'
#USB
if (node.properties['pci.device_class'] == PCI_BASE_CLASS_SERIAL
and node.properties['pci.device_subclass'] == PCI_CLASS_SERIAL_USB):
return 'USB'
if node.properties['pci.device_class'] == PCI_BASE_CLASS_STORAGE:
#IDE
if node.properties['pci.device_subclass'] == PCI_CLASS_STORAGE_IDE:
return 'IDE'
#SCSI
if node.properties['pci.device_subclass'] == PCI_CLASS_STORAGE_SCSI:
return 'SCSI'
#RAID
if node.properties['pci.device_subclass'] == PCI_CLASS_STORAGE_RAID:
return 'RAID'
#MODEM
if (node.properties['pci.device_class'] == PCI_BASE_CLASS_COMMUNICATION
and node.properties['pci.device_subclass'] == PCI_CLASS_COMMUNICATION_MODEM):
return 'MODEM'
#SCANNER
if (node.properties['pci.device_class'] == PCI_BASE_CLASS_INPUT
and node.properties['pci.device_subclass'] == PCI_CLASS_INPUT_SCANNER):
return 'SCANNER'
if node.properties['pci.device_class'] == PCI_BASE_CLASS_MULTIMEDIA:
#CAPTURE -- video capture card
if node.properties['pci.device_subclass'] == PCI_CLASS_MULTIMEDIA_VIDEO:
return 'CAPTURE'
#AUDIO
if node.properties['pci.device_subclass'] == PCI_CLASS_MULTIMEDIA_AUDIO:
return 'AUDIO'
#FIREWIRE
if (node.properties['pci.device_class'] == PCI_BASE_CLASS_SERIAL
and node.properties['pci.device_subclass'] == PCI_CLASS_SERIAL_FIREWIRE):
return 'FIREWIRE'
#SOCKET -- PCMCIA yenta socket stuff
if (node.properties['pci.device_class'] == PCI_BASE_CLASS_BRIDGE
and (node.properties['pci.device_subclass'] == PCI_CLASS_BRIDGE_PCMCIA
or node.properties['pci.device_subclass'] == PCI_CLASS_BRIDGE_CARDBUS)):
return 'SOCKET'
if 'storage.drive_type' in node.properties:
#CDROM
if node.properties['storage.drive_type'] == 'cdrom':
return 'CDROM'
#HD
if node.properties['storage.drive_type'] == 'disk':
return 'HD'
#FLOPPY
if node.properties['storage.drive_type'] == 'floppy':
return 'FLOPPY'
#TAPE
if node.properties['storage.drive_type'] == 'tape':
return 'TAPE'
if 'xen.type' in node.properties:
if node.properties['xen.type'] == 'vbd':
return 'HD'
#PRINTER
if 'printer.product' in node.properties:
return 'PRINTER'
#Catchall for specific devices, only do this after all the others
if ('pci.product_id' in node.properties or
'usb.product_id' in node.properties):
return 'OTHER'
# No class found
return None
def get_device_bus(node):
if 'storage.bus' in node.properties:
bus = node.properties['storage.bus']
elif 'info.bus' in node.properties:
if node.properties['info.bus'] == 'platform':
bus = 'MISC'
else:
bus = node.properties['info.bus']
else:
bus = 'MISC'
return bus
def get_device_driver(node):
if 'info.linux.driver' in node.properties:
driver = node.properties['info.linux.driver']
elif 'net.linux.driver' in node.properties:
driver = node.properties['net.linux.driver']
else:
driver = 'unknown'
return driver
def get_device_path(node):
"""
Return the device file path.
As kudzu did not return a string with the /dev/ prefix,
this function will not, either.
RHN's DB has a limit of 16 characters for the device path.
If the path is longer than that, return None.
If no device path is found, return None.
"""
dev = None
if 'block.device' in node.properties:
dev = node.properties['block.device']
elif 'linux.device_file' in node.properties:
dev = node.properties['linux.device_file']
elif (node.classification == 'NETWORK'
and 'net.interface' in node.properties):
dev = node.properties['net.interface']
if dev:
if dev.startswith('/dev/'):
dev = dev[5:]
if len(dev) > 16:
dev = None
return dev
def get_device_description(node):
if ('info.vendor' in node.properties
and 'info.product' in node.properties):
desc = node.properties['info.vendor'] + '|' + node.properties['info.product']
elif ('info.vendor' in node.properties):
desc = node.properties['info.vendor']
elif 'info.product' in node.properties:
desc = node.properties['info.product']
else:
desc = ""
return desc
def get_device_pcitype(node):
PCI_TYPE_PCMCIA = 2
PCI_TYPE_PCI = 1
PCI_TYPE_NOT_PCI = -1
if 'info.bus' in (node.properties
and node.properties['info.bus'] == 'pci'):
parent = node.parent
if ('pci.device_class' in parent.properties
and (parent.properties['pci.device_class'] == 6
and (parent.properties['pci.device_subclass'] == 5
or parent.properties['pci.device_subclass'] == 7))):
pcitype = PCI_TYPE_PCMCIA
else:
pcitype = PCI_TYPE_PCI
else:
pcitype = PCI_TYPE_NOT_PCI
return pcitype
def get_hal_computer():
bus = dbus.SystemBus()
computer_obj = bus.get_object("org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/computer")
computer = dbus.Interface(computer_obj, "org.freedesktop.Hal.Device")
return computer
def check_hal_dbus_status():
# check if hal and messagebus are running, if not warn the user
import commands
hal_status, msg = commands.getstatusoutput('/etc/init.d/haldaemon status')
dbus_status, msg = commands.getstatusoutput('/etc/init.d/messagebus status')
return hal_status, dbus_status
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