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#!/usr/bin/env python
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#
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# Copyright (c) 2003-2007 Andrea Luzzardi <scox@sig11.org>
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#
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# This file is part of the pam_usb project. pam_usb is free software;
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# you can redistribute it and/or modify it under the terms of the GNU General
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# Public License version 2, as published by the Free Software Foundation.
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#
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# pam_usb is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place, Suite 330, Boston, MA 02111-1307 USA
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import dbus
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import sys
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import os
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from xml.dom import minidom
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class Device:
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def __init__(self, udi):
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self.__udi = udi
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self.__findStorageDevice()
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deviceObj = bus.get_object('org.freedesktop.Hal',
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udi)
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deviceProperties = deviceObj.GetAllProperties(
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dbus_interface = 'org.freedesktop.Hal.Device')
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self.vendor = deviceProperties['usb_device.vendor']
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self.product = deviceProperties['info.product']
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self.serialNumber = deviceProperties['usb_device.serial']
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def __findStorageDevice(self):
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for child in halManager.FindDeviceByCapability('storage'):
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obj = bus.get_object('org.freedesktop.Hal',
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child)
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properties = obj.GetAllProperties(
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dbus_interface = 'org.freedesktop.Hal.Device')
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if properties['storage.physical_device'] == self.__udi + '_if0':
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self.__storageUdi = child
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return
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raise Exception, '%s is not a storage device.' % self.__udi
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def __repr__(self):
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return "%s %s (%s)" % (self.vendor, self.product, self.serialNumber)
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def volumes(self):
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vols = []
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for volume in halManager.FindDeviceByCapability('volume'):
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deviceObj = bus.get_object('org.freedesktop.Hal',
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volume)
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deviceProperties = deviceObj.GetAllProperties(
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dbus_interface = 'org.freedesktop.Hal.Device')
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if deviceProperties['block.storage_device'] != self.__storageUdi:
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continue
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vols.append({'uuid' : deviceProperties['volume.uuid'],
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'device' : deviceProperties['block.device']})
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return vols
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def listOptions(question, options, force = False):
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if force == False and len(options) == 1:
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return 0
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while True:
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try:
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print question
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for i in range(len(options)):
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print "%d) %s" % (i, options[i])
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print
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sys.stdout.write('[%s-%s]: ' % (0, len(options) - 1))
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optionId = int(sys.stdin.readline())
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print
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if optionId not in range(len(options)):
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raise Exception
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return optionId
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except KeyboardInterrupt: sys.exit()
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except Exception: pass
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else: break
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def addDevice(options):
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devices = []
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for udi in halManager.FindDeviceStringMatch('info.bus', 'usb_device'):
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try:
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devices.append(Device(udi))
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except Exception, ex:
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pass
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if len(devices) == 0:
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print 'No devices detected.'
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sys.exit()
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device = devices[listOptions("Please select the device you wish to add.",
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devices, force = options['force'])]
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volumes = device.volumes()
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volume = volumes[listOptions("Which volume would you like to use for " \
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"storing data ?",
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["%s (UUID: %s)" % (volume['device'],
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volume['uuid'])
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for volume in volumes],
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force = options['force'])]
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print 'Name\t\t: %s' % options['deviceName']
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print 'Vendor\t\t: %s' % device.vendor
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print 'Model\t\t: %s' % device.product
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print 'Serial\t\t: %s' % device.serialNumber
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if volume['uuid'] != '':
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print 'Volume UUID\t: %s (%s)' % (volume['uuid'], volume['device'])
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else:
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print
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print 'WARNING: No UUID detected for device %s. One time pads will be disabled.' % volume['device']
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print
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print 'Save device to %s ?' % options['configFile']
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sys.stdout.write('[y/n] ')
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if sys.stdin.readline().strip() != 'y':
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sys.exit(1)
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try:
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doc = minidom.parse(options['configFile'])
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except Exception, err:
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print 'Unable to read %s: %s' % (options['configFile'], err)
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sys.exit(1)
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devs = doc.getElementsByTagName('devices')
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dev = doc.createElement('device')
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dev.attributes['id'] = options['deviceName']
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devs[0].appendChild(dev)
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for name, value in (('vendor', device.vendor),
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('model', device.product),
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('serial', device.serialNumber),
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('volume_uuid', volume['uuid'])):
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e = doc.createElement(name)
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t = doc.createTextNode(value)
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e.appendChild(t)
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dev.appendChild(e)
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# Disable one time pads if there's no device UUID
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if volume['uuid'] == '':
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e = doc.createElement('option')
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e.setAttribute('name', 'one_time_pad')
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e.appendChild(doc.createTextNode('false'))
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dev.appendChild(e)
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try:
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f = open(options['configFile'], 'w')
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f.write(doc.toxml())
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f.close()
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except Exception, err:
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print 'Unable to save %s: %s' % (options['configFile'], err)
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sys.exit(1)
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else:
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print 'Done.'
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def usage():
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print 'Usage: %s [--config file] --add-device <name> [--no-autodetect]' % os.path.basename(__file__)
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sys.exit(1)
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import getopt
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try:
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opts, args = getopt.getopt(sys.argv[1:], "ha:nc:",
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["help", "add-device=", "no-autodetect",
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"config="])
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except getopt.GetoptError:
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usage()
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if len(args) != 0:
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usage()
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options = { 'force' : False, 'deviceName' : None,
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'configFile' : '/etc/pusb/pusb.conf' }
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for o, a in opts:
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if o in ("-h", "--help"):
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usage()
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if o in ("-a", "--add-device"):
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options['deviceName'] = a
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if o in ("-n", "--no-autodetect"):
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options['force'] = True
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if o in ("-c", "--config"):
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options['configFile'] = a
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if options['deviceName'] is None:
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usage()
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bus = dbus.SystemBus()
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halService = bus.get_object('org.freedesktop.Hal',
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'/org/freedesktop/Hal/Manager')
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halManager = dbus.Interface(halService, 'org.freedesktop.Hal.Manager')
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try:
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addDevice(options)
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except KeyboardInterrupt:
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sys.exit(1)
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