/mandos/trunk

#!/usr/bin/python

# -*- mode: python; coding: utf-8 -*-

from __future__ import division

import sys

import dbus

from optparse import OptionParser

import locale

import datetime

import re

locale.setlocale(locale.LC_ALL, u'')

tablewords = {

    'Name': u'Name',

    'Enabled': u'Enabled',

    'Timeout': u'Timeout',

    'LastCheckedOK': u'Last Successful Check',

    'Created': u'Created',

    'Interval': u'Interval',

    'Host': u'Host',

    'Fingerprint': u'Fingerprint',

    'CheckerRunning': u'Check Is Running',

    'LastEnabled': u'Last Enabled',

    'Checker': u'Checker',

    }

defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')

domain = 'se.bsnet.fukt'

busname = domain + '.Mandos'

server_path = '/'

server_interface = domain + '.Mandos'

client_interface = domain + '.Mandos.Client'

version = "1.0.14"

try:

    bus = dbus.SystemBus()

    mandos_dbus_objc = bus.get_object(busname, server_path)

except dbus.exceptions.DBusException:

    sys.exit(1)

mandos_serv = dbus.Interface(mandos_dbus_objc,

                             dbus_interface = server_interface)

mandos_clients = mandos_serv.GetAllClientsWithProperties()

def timedelta_to_milliseconds(td):

    "Convert a datetime.timedelta object to milliseconds"

    return ((td.days * 24 * 60 * 60 * 1000)

            + (td.seconds * 1000)

            + (td.microseconds // 1000))

def milliseconds_to_string(ms):

    td = datetime.timedelta(0, 0, 0, ms)

    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"

            % { "days": "%dT" % td.days if td.days else "",

                "hours": td.seconds // 3600,

                "minutes": (td.seconds % 3600) // 60,

                "seconds": td.seconds % 60,

                })

def string_to_delta(interval):

    """Parse a string and return a datetime.timedelta

    >>> string_to_delta('7d')

    datetime.timedelta(7)

    >>> string_to_delta('60s')

    datetime.timedelta(0, 60)

    >>> string_to_delta('60m')

    datetime.timedelta(0, 3600)

    >>> string_to_delta('24h')

    datetime.timedelta(1)

    >>> string_to_delta(u'1w')

    datetime.timedelta(7)

    >>> string_to_delta('5m 30s')

    datetime.timedelta(0, 330)

    """

    timevalue = datetime.timedelta(0)

    regexp = re.compile("\d+[dsmhw]")

    for s in regexp.findall(interval):

        try:

            suffix = unicode(s[-1])

            value = int(s[:-1])

            if suffix == u"d":

                delta = datetime.timedelta(value)

            elif suffix == u"s":

                delta = datetime.timedelta(0, value)

            elif suffix == u"m":

                delta = datetime.timedelta(0, 0, 0, 0, value)

            elif suffix == u"h":

                delta = datetime.timedelta(0, 0, 0, 0, 0, value)

            elif suffix == u"w":

                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)

            else:

                raise ValueError

        except (ValueError, IndexError):

            raise ValueError

        timevalue += delta

    return timevalue

def print_clients(clients):

    def valuetostring(value, keyword):

        if type(value) is dbus.Boolean:

            return u"Yes" if value else u"No"

        if keyword in (u"timeout", u"interval"):

            return milliseconds_to_string(value)

        return unicode(value)

    # Create format string to print table rows

    format_string = u' '.join(u'%%-%ds' %

                              max(len(tablewords[key]),

                                  max(len(valuetostring(client[key],

                                                        key))

                                      for client in

                                      clients))

                              for key in keywords)

    # Print header line

    print format_string % tuple(tablewords[key] for key in keywords)

    for client in clients:

        print format_string % tuple(valuetostring(client[key], key)

                                    for key in keywords)

parser = OptionParser(version = "%%prog %s" % version)

parser.add_option("-a", "--all", action="store_true",

                  help="Print all fields")

parser.add_option("-e", "--enable", action="store_true",

                  help="Enable client")

parser.add_option("-d", "--disable", action="store_true",

                  help="disable client")

parser.add_option("-b", "--bump-timeout", action="store_true",

                  help="Bump timeout for client")

parser.add_option("--start-checker", action="store_true",

                  help="Start checker for client")

parser.add_option("--stop-checker", action="store_true",

                  help="Stop checker for client")

parser.add_option("-V", "--is-enabled", action="store_true",

                  help="Check if client is enabled")

parser.add_option("-r", "--remove", action="store_true",

                  help="Remove client")

parser.add_option("-c", "--checker", type="string",

                  help="Set checker command for client")

parser.add_option("-t", "--timeout", type="string",

                  help="Set timeout for client")

parser.add_option("-i", "--interval", type="string",

                  help="Set checker interval for client")

parser.add_option("-H", "--host", type="string",

                  help="Set host for client")

parser.add_option("-s", "--secret", type="string",

                  help="Set password blob (file) for client")

parser.add_option("-A", "--approve", action="store_true",

                  help="Approve any current client request")

parser.add_option("-D", "--deny", action="store_true",

                  help="Deny any current client request")

options, client_names = parser.parse_args()

# Compile list of clients to process

clients=[]

for name in client_names:

    for path, client in mandos_clients.iteritems():

        if client['name'] == name:

            client_objc = bus.get_object(busname, path)

            clients.append(client_objc)

            break

    else:

        print >> sys.stderr, "Client not found on server: %r" % name

        sys.exit(1)

if not clients and mandos_clients.values():

    keywords = defaultkeywords

    if options.all:

        keywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK',

                    'Created', 'Interval', 'Host', 'Fingerprint',

                    'CheckerRunning', 'LastEnabled', 'Checker')

    print_clients(mandos_clients.values())

# Process each client in the list by all selected options

for client in clients:

    if options.remove:

        mandos_serv.RemoveClient(client.__dbus_object_path__)

    if options.enable:

        client.Enable(dbus_interface=client_interface)

    if options.disable:

        client.Disable(dbus_interface=client_interface)

    if options.bump_timeout:

        client.CheckedOK(dbus_interface=client_interface)

    if options.start_checker:

        client.StartChecker(dbus_interface=client_interface)

    if options.stop_checker:

        client.StopChecker(dbus_interface=client_interface)

    if options.is_enabled:

        sys.exit(0 if client.Get(client_interface,

                                 u"Enabled",

                                 dbus_interface=dbus.PROPERTIES_IFACE)

                 else 1)

    if options.checker:

        client.Set(client_interface, u"Checker", options.checker,

                   dbus_interface=dbus.PROPERTIES_IFACE)

    if options.host:

        client.Set(client_interface, u"Host", options.host,

                   dbus_interface=dbus.PROPERTIES_IFACE)

    if options.interval:

        client.Set(client_interface, u"Interval",

                   timedelta_to_milliseconds

                   (string_to_delta(options.interval)),

                   dbus_interface=dbus.PROPERTIES_IFACE)

    if options.timeout:

        client.Set(client_interface, u"Timeout",

                   timedelta_to_milliseconds(string_to_delta

                                             (options.timeout)),

                   dbus_interface=dbus.PROPERTIES_IFACE)

    if options.secret:

        client.Set(client_interface, u"Secret",

                   dbus.ByteArray(open(options.secret, u'rb').read()),

                   dbus_interface=dbus.PROPERTIES_IFACE)

    if options.approve:

        client.Approve(dbus.Boolean(True),

                       dbus_interface=client_interface)

    if options.deny:

        client.Approve(dbus.Boolean(False),

                       dbus_interface=client_interface)