/mandos/trunk : revision 783

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#!/usr/bin/python

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#!/usr/bin/python2.7

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

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#

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# Mandos server - give out binary blobs to connecting clients.

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# "AvahiService" class, and some lines in "main".

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#

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# Everything else is

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#

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# This program is free software: you can redistribute it and/or modify

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# it under the terms of the GNU General Public License as published by

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from __future__ import (division, absolute_import, print_function,

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unicode_literals)

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try:

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from future_builtins import *

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except ImportError:

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pass

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from future_builtins import *

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try:

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import SocketServer as socketserver

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import argparse

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import datetime

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import errno

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import gnutls.crypto

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import gnutls.connection

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import gnutls.errors

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import gnutls.library.functions

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import gnutls.library.constants

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import gnutls.library.types

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try:

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import ConfigParser as configparser

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except ImportError:

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import dbus

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import dbus.service

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from gi.repository import GLib

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try:

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import gobject

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except ImportError:

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from gi.repository import GObject as gobject

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import avahi

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from dbus.mainloop.glib import DBusGMainLoop

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import ctypes

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import ctypes.util

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if sys.version_info.major == 2:

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str = unicode

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version = "1.7.6"

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version = "1.6.9"

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stored_state_file = "clients.pickle"

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logger = logging.getLogger()

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return interface_index

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def copy_function(func):

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"""Make a copy of a function"""

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if sys.version_info.major == 2:

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return types.FunctionType(func.func_code,

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func.func_globals,

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func.func_name,

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func.func_defaults,

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func.func_closure)

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else:

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return types.FunctionType(func.__code__,

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func.__globals__,

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func.__name__,

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func.__defaults__,

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func.__closure__)

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def initlogger(debug, level=logging.WARNING):

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"""init logger and add loglevel"""

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def __init__(self):

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self.tempdir = tempfile.mkdtemp(prefix="mandos-")

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self.gpg = "gpg"

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try:

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output = subprocess.check_output(["gpgconf"])

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for line in output.splitlines():

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name, text, path = line.split(b":")

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if name == "gpg":

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self.gpg = path

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break

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except OSError as e:

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if e.errno != errno.ENOENT:

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raise

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self.gnupgargs = ['--batch',

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'--homedir', self.tempdir,

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'--home', self.tempdir,

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'--force-mdc',

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'--quiet',

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'--no-use-agent']

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dir=self.tempdir) as passfile:

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passfile.write(passphrase)

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passfile.flush()

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proc = subprocess.Popen([self.gpg, '--symmetric',

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proc = subprocess.Popen(['gpg', '--symmetric',

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'--passphrase-file',

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passfile.name]

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+ self.gnupgargs,

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dir = self.tempdir) as passfile:

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passfile.write(passphrase)

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passfile.flush()

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proc = subprocess.Popen([self.gpg, '--decrypt',

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proc = subprocess.Popen(['gpg', '--decrypt',

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'--passphrase-file',

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passfile.name]

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+ self.gnupgargs,

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raise PGPError(err)

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return decrypted_plaintext

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# Pretend that we have an Avahi module

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class Avahi(object):

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"""This isn't so much a class as it is a module-like namespace.

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It is instantiated once, and simulates having an Avahi module."""

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IF_UNSPEC = -1 # avahi-common/address.h

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PROTO_UNSPEC = -1 # avahi-common/address.h

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PROTO_INET = 0 # avahi-common/address.h

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PROTO_INET6 = 1 # avahi-common/address.h

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DBUS_NAME = "org.freedesktop.Avahi"

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DBUS_INTERFACE_ENTRY_GROUP = DBUS_NAME + ".EntryGroup"

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DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"

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DBUS_PATH_SERVER = "/"

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def string_array_to_txt_array(self, t):

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return dbus.Array((dbus.ByteArray(s.encode("utf-8"))

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for s in t), signature="ay")

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ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h

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ENTRY_GROUP_COLLISION = 3 # avahi-common/defs.h

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ENTRY_GROUP_FAILURE = 4 # avahi-common/defs.h

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SERVER_INVALID = 0 # avahi-common/defs.h

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SERVER_REGISTERING = 1 # avahi-common/defs.h

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SERVER_RUNNING = 2 # avahi-common/defs.h

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SERVER_COLLISION = 3 # avahi-common/defs.h

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SERVER_FAILURE = 4 # avahi-common/defs.h

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avahi = Avahi()

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class AvahiError(Exception):

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def __init__(self, value, *args, **kwargs):

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.format(self.name)))

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return ret

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# Pretend that we have a GnuTLS module

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class GnuTLS(object):

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"""This isn't so much a class as it is a module-like namespace.

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It is instantiated once, and simulates having a GnuTLS module."""

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_library = ctypes.cdll.LoadLibrary(

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ctypes.util.find_library("gnutls"))

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_need_version = b"3.3.0"

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def __init__(self):

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# Need to use class name "GnuTLS" here, since this method is

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# called before the assignment to the "gnutls" global variable

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# happens.

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if GnuTLS.check_version(self._need_version) is None:

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raise GnuTLS.Error("Needs GnuTLS {} or later"

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.format(self._need_version))

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# Unless otherwise indicated, the constants and types below are

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# all from the gnutls/gnutls.h C header file.

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# Constants

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E_SUCCESS = 0

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E_INTERRUPTED = -52

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E_AGAIN = -28

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CRT_OPENPGP = 2

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CLIENT = 2

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SHUT_RDWR = 0

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CRD_CERTIFICATE = 1

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E_NO_CERTIFICATE_FOUND = -49

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OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h

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# Types

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class session_int(ctypes.Structure):

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_fields_ = []

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session_t = ctypes.POINTER(session_int)

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class certificate_credentials_st(ctypes.Structure):

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_fields_ = []

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certificate_credentials_t = ctypes.POINTER(

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certificate_credentials_st)

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certificate_type_t = ctypes.c_int

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class datum_t(ctypes.Structure):

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_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),

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('size', ctypes.c_uint)]

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class openpgp_crt_int(ctypes.Structure):

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_fields_ = []

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openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)

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openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h

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log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)

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credentials_type_t = ctypes.c_int

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transport_ptr_t = ctypes.c_void_p

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close_request_t = ctypes.c_int

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# Exceptions

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class Error(Exception):

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# We need to use the class name "GnuTLS" here, since this

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# exception might be raised from within GnuTLS.__init__,

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# which is called before the assignment to the "gnutls"

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# global variable has happened.

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def __init__(self, message = None, code = None, args=()):

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# Default usage is by a message string, but if a return

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# code is passed, convert it to a string with

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# gnutls.strerror()

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self.code = code

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if message is None and code is not None:

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message = GnuTLS.strerror(code)

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return super(GnuTLS.Error, self).__init__(

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message, *args)

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class CertificateSecurityError(Error):

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pass

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# Classes

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class Credentials(object):

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def __init__(self):

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self._c_object = gnutls.certificate_credentials_t()

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gnutls.certificate_allocate_credentials(

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ctypes.byref(self._c_object))

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self.type = gnutls.CRD_CERTIFICATE

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def __del__(self):

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gnutls.certificate_free_credentials(self._c_object)

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class ClientSession(object):

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def __init__(self, socket, credentials = None):

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self._c_object = gnutls.session_t()

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gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)

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gnutls.set_default_priority(self._c_object)

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gnutls.transport_set_ptr(self._c_object, socket.fileno())

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gnutls.handshake_set_private_extensions(self._c_object,

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True)

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self.socket = socket

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if credentials is None:

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credentials = gnutls.Credentials()

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gnutls.credentials_set(self._c_object, credentials.type,

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ctypes.cast(credentials._c_object,

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ctypes.c_void_p))

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self.credentials = credentials

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def __del__(self):

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gnutls.deinit(self._c_object)

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def handshake(self):

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return gnutls.handshake(self._c_object)

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def send(self, data):

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data = bytes(data)

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data_len = len(data)

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while data_len > 0:

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data_len -= gnutls.record_send(self._c_object,

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data[-data_len:],

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data_len)

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def bye(self):

594

return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)

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# Error handling functions

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def _error_code(result):

598

"""A function to raise exceptions on errors, suitable

599

for the 'restype' attribute on ctypes functions"""

600

if result >= 0:

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return result

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if result == gnutls.E_NO_CERTIFICATE_FOUND:

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raise gnutls.CertificateSecurityError(code = result)

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raise gnutls.Error(code = result)

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def _retry_on_error(result, func, arguments):

607

"""A function to retry on some errors, suitable

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for the 'errcheck' attribute on ctypes functions"""

609

while result < 0:

610

if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):

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return _error_code(result)

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result = func(*arguments)

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return result

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# Unless otherwise indicated, the function declarations below are

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# all from the gnutls/gnutls.h C header file.

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# Functions

619

priority_set_direct = _library.gnutls_priority_set_direct

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priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

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ctypes.POINTER(ctypes.c_char_p)]

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priority_set_direct.restype = _error_code

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init = _library.gnutls_init

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init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]

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init.restype = _error_code

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set_default_priority = _library.gnutls_set_default_priority

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set_default_priority.argtypes = [session_t]

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set_default_priority.restype = _error_code

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record_send = _library.gnutls_record_send

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record_send.argtypes = [session_t, ctypes.c_void_p,

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ctypes.c_size_t]

635

record_send.restype = ctypes.c_ssize_t

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record_send.errcheck = _retry_on_error

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certificate_allocate_credentials = (

639

_library.gnutls_certificate_allocate_credentials)

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certificate_allocate_credentials.argtypes = [

641

ctypes.POINTER(certificate_credentials_t)]

642

certificate_allocate_credentials.restype = _error_code

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644

certificate_free_credentials = (

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_library.gnutls_certificate_free_credentials)

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certificate_free_credentials.argtypes = [certificate_credentials_t]

647

certificate_free_credentials.restype = None

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handshake_set_private_extensions = (

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_library.gnutls_handshake_set_private_extensions)

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handshake_set_private_extensions.argtypes = [session_t,

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ctypes.c_int]

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handshake_set_private_extensions.restype = None

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655

credentials_set = _library.gnutls_credentials_set

656

credentials_set.argtypes = [session_t, credentials_type_t,

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ctypes.c_void_p]

658

credentials_set.restype = _error_code

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strerror = _library.gnutls_strerror

661

strerror.argtypes = [ctypes.c_int]

662

strerror.restype = ctypes.c_char_p

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664

certificate_type_get = _library.gnutls_certificate_type_get

665

certificate_type_get.argtypes = [session_t]

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certificate_type_get.restype = _error_code

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certificate_get_peers = _library.gnutls_certificate_get_peers

669

certificate_get_peers.argtypes = [session_t,

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ctypes.POINTER(ctypes.c_uint)]

671

certificate_get_peers.restype = ctypes.POINTER(datum_t)

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global_set_log_level = _library.gnutls_global_set_log_level

674

global_set_log_level.argtypes = [ctypes.c_int]

675

global_set_log_level.restype = None

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677

global_set_log_function = _library.gnutls_global_set_log_function

678

global_set_log_function.argtypes = [log_func]

679

global_set_log_function.restype = None

680

681

deinit = _library.gnutls_deinit

682

deinit.argtypes = [session_t]

683

deinit.restype = None

684

685

handshake = _library.gnutls_handshake

686

handshake.argtypes = [session_t]

687

handshake.restype = _error_code

688

handshake.errcheck = _retry_on_error

689

690

transport_set_ptr = _library.gnutls_transport_set_ptr

691

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

692

transport_set_ptr.restype = None

693

694

bye = _library.gnutls_bye

695

bye.argtypes = [session_t, close_request_t]

696

bye.restype = _error_code

697

bye.errcheck = _retry_on_error

698

699

check_version = _library.gnutls_check_version

700

check_version.argtypes = [ctypes.c_char_p]

701

check_version.restype = ctypes.c_char_p

702

703

# All the function declarations below are from gnutls/openpgp.h

704

705

openpgp_crt_init = _library.gnutls_openpgp_crt_init

706

openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]

707

openpgp_crt_init.restype = _error_code

708

709

openpgp_crt_import = _library.gnutls_openpgp_crt_import

710

openpgp_crt_import.argtypes = [openpgp_crt_t,

711

ctypes.POINTER(datum_t),

712

openpgp_crt_fmt_t]

713

openpgp_crt_import.restype = _error_code

714

715

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

716

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

717

ctypes.POINTER(ctypes.c_uint)]

718

openpgp_crt_verify_self.restype = _error_code

719

720

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

721

openpgp_crt_deinit.argtypes = [openpgp_crt_t]

722

openpgp_crt_deinit.restype = None

723

724

openpgp_crt_get_fingerprint = (

725

_library.gnutls_openpgp_crt_get_fingerprint)

726

openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,

727

ctypes.c_void_p,

728

ctypes.POINTER(

729

ctypes.c_size_t)]

730

openpgp_crt_get_fingerprint.restype = _error_code

731

732

# Remove non-public functions

733

del _error_code, _retry_on_error

734

# Create the global "gnutls" object, simulating a module

735

gnutls = GnuTLS()

736

737

438

def call_pipe(connection, # : multiprocessing.Connection

738

439

func, *args, **kwargs):

739

440

"""This function is meant to be called by multiprocessing.Process

754

455

checker: subprocess.Popen(); a running checker process used

755

456

to see if the client lives.

756

457

'None' if no process is running.

757

checker_callback_tag: a GLib event source tag, or None

458

checker_callback_tag: a gobject event source tag, or None

758

459

checker_command: string; External command which is run to check

759

460

if client lives. %() expansions are done at

760

461

runtime with vars(self) as dict, so that for

761

462

instance %(name)s can be used in the command.

762

checker_initiator_tag: a GLib event source tag, or None

463

checker_initiator_tag: a gobject event source tag, or None

763

464

created: datetime.datetime(); (UTC) object creation

764

465

client_structure: Object describing what attributes a client has

765

466

and is used for storing the client at exit

766

467

current_checker_command: string; current running checker_command

767

disable_initiator_tag: a GLib event source tag, or None

468

disable_initiator_tag: a gobject event source tag, or None

768

469

enabled: bool()

769

470

fingerprint: string (40 or 32 hexadecimal digits); used to

770

471

uniquely identify the client

833

534

client["fingerprint"] = (section["fingerprint"].upper()

834

535

.replace(" ", ""))

835

536

if "secret" in section:

836

client["secret"] = codecs.decode(section["secret"]

837

.encode("utf-8"),

838

"base64")

537

client["secret"] = section["secret"].decode("base64")

839

538

elif "secfile" in section:

840

539

with open(os.path.expanduser(os.path.expandvars

841

540

(section["secfile"])),

894

593

self.changedstate = multiprocessing_manager.Condition(

895

594

multiprocessing_manager.Lock())

896

595

self.client_structure = [attr

897

for attr in self.__dict__.keys()

596

for attr in self.__dict__.iterkeys()

898

597

if not attr.startswith("_")]

899

598

self.client_structure.append("client_structure")

900

599

926

625

if not quiet:

927

626

logger.info("Disabling client %s", self.name)

928

627

if getattr(self, "disable_initiator_tag", None) is not None:

929

GLib.source_remove(self.disable_initiator_tag)

628

gobject.source_remove(self.disable_initiator_tag)

930

629

self.disable_initiator_tag = None

931

630

self.expires = None

932

631

if getattr(self, "checker_initiator_tag", None) is not None:

933

GLib.source_remove(self.checker_initiator_tag)

632

gobject.source_remove(self.checker_initiator_tag)

934

633

self.checker_initiator_tag = None

935

634

self.stop_checker()

936

635

self.enabled = False

937

636

if not quiet:

938

637

self.send_changedstate()

939

# Do not run this again if called by a GLib.timeout_add

638

# Do not run this again if called by a gobject.timeout_add

940

639

return False

941

640

942

641

def __del__(self):

946

645

# Schedule a new checker to be started an 'interval' from now,

947

646

# and every interval from then on.

948

647

if self.checker_initiator_tag is not None:

949

GLib.source_remove(self.checker_initiator_tag)

950

self.checker_initiator_tag = GLib.timeout_add(

648

gobject.source_remove(self.checker_initiator_tag)

649

self.checker_initiator_tag = gobject.timeout_add(

951

650

int(self.interval.total_seconds() * 1000),

952

651

self.start_checker)

953

652

# Schedule a disable() when 'timeout' has passed

954

653

if self.disable_initiator_tag is not None:

955

GLib.source_remove(self.disable_initiator_tag)

956

self.disable_initiator_tag = GLib.timeout_add(

654

gobject.source_remove(self.disable_initiator_tag)

655

self.disable_initiator_tag = gobject.timeout_add(

957

656

int(self.timeout.total_seconds() * 1000), self.disable)

958

657

# Also start a new checker *right now*.

959

658

self.start_checker()

995

694

if timeout is None:

996

695

timeout = self.timeout

997

696

if self.disable_initiator_tag is not None:

998

GLib.source_remove(self.disable_initiator_tag)

697

gobject.source_remove(self.disable_initiator_tag)

999

698

self.disable_initiator_tag = None

1000

699

if getattr(self, "enabled", False):

1001

self.disable_initiator_tag = GLib.timeout_add(

700

self.disable_initiator_tag = gobject.timeout_add(

1002

701

int(timeout.total_seconds() * 1000), self.disable)

1003

702

self.expires = datetime.datetime.utcnow() + timeout

1004

703

1059

758

args = (pipe[1], subprocess.call, command),

1060

759

kwargs = popen_args)

1061

760

self.checker.start()

1062

self.checker_callback_tag = GLib.io_add_watch(

1063

pipe[0].fileno(), GLib.IO_IN,

761

self.checker_callback_tag = gobject.io_add_watch(

762

pipe[0].fileno(), gobject.IO_IN,

1064

763

self.checker_callback, pipe[0], command)

1065

# Re-run this periodically if run by GLib.timeout_add

764

# Re-run this periodically if run by gobject.timeout_add

1066

765

return True

1067

766

1068

767

def stop_checker(self):

1069

768

"""Force the checker process, if any, to stop."""

1070

769

if self.checker_callback_tag:

1071

GLib.source_remove(self.checker_callback_tag)

770

gobject.source_remove(self.checker_callback_tag)

1072

771

self.checker_callback_tag = None

1073

772

if getattr(self, "checker", None) is None:

1074

773

return

1143

842

access="r")

1144

843

def Property_dbus_property(self):

1145

844

return dbus.Boolean(False)

1146

1147

See also the DBusObjectWithAnnotations class.

1148

845

"""

1149

846

1150

847

def decorator(func):

1172

869

pass

1173

870

1174

871

1175

class DBusObjectWithAnnotations(dbus.service.Object):

1176

"""A D-Bus object with annotations.

872

class DBusObjectWithProperties(dbus.service.Object):

873

"""A D-Bus object with properties.

1177

874

1178

Classes inheriting from this can use the dbus_annotations

1179

decorator to add annotations to methods or signals.

875

Classes inheriting from this can use the dbus_service_property

876

decorator to expose methods as D-Bus properties. It exposes the

877

standard Get(), Set(), and GetAll() methods on the D-Bus.

1180

878

"""

1181

879

1182

880

@staticmethod

1198

896

for name, athing in

1199

897

inspect.getmembers(cls, self._is_dbus_thing(thing)))

1200

898

1201

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1202

out_signature = "s",

1203

path_keyword = 'object_path',

1204

connection_keyword = 'connection')

1205

def Introspect(self, object_path, connection):

1206

"""Overloading of standard D-Bus method.

1207

1208

Inserts annotation tags on methods and signals.

1209

"""

1210

xmlstring = dbus.service.Object.Introspect(self, object_path,

1211

connection)

1212

try:

1213

document = xml.dom.minidom.parseString(xmlstring)

1214

1215

for if_tag in document.getElementsByTagName("interface"):

1216

# Add annotation tags

1217

for typ in ("method", "signal"):

1218

for tag in if_tag.getElementsByTagName(typ):

1219

annots = dict()

1220

for name, prop in (self.

1221

_get_all_dbus_things(typ)):

1222

if (name == tag.getAttribute("name")

1223

and prop._dbus_interface

1224

== if_tag.getAttribute("name")):

1225

annots.update(getattr(

1226

prop, "_dbus_annotations", {}))

1227

for name, value in annots.items():

1228

ann_tag = document.createElement(

1229

"annotation")

1230

ann_tag.setAttribute("name", name)

1231

ann_tag.setAttribute("value", value)

1232

tag.appendChild(ann_tag)

1233

# Add interface annotation tags

1234

for annotation, value in dict(

1235

itertools.chain.from_iterable(

1236

annotations().items()

1237

for name, annotations

1238

in self._get_all_dbus_things("interface")

1239

if name == if_tag.getAttribute("name")

1240

)).items():

1241

ann_tag = document.createElement("annotation")

1242

ann_tag.setAttribute("name", annotation)

1243

ann_tag.setAttribute("value", value)

1244

if_tag.appendChild(ann_tag)

1245

# Fix argument name for the Introspect method itself

1246

if (if_tag.getAttribute("name")

1247

== dbus.INTROSPECTABLE_IFACE):

1248

for cn in if_tag.getElementsByTagName("method"):

1249

if cn.getAttribute("name") == "Introspect":

1250

for arg in cn.getElementsByTagName("arg"):

1251

if (arg.getAttribute("direction")

1252

== "out"):

1253

arg.setAttribute("name",

1254

"xml_data")

1255

xmlstring = document.toxml("utf-8")

1256

document.unlink()

1257

except (AttributeError, xml.dom.DOMException,

1258

xml.parsers.expat.ExpatError) as error:

1259

logger.error("Failed to override Introspection method",

1260

exc_info=error)

1261

return xmlstring

1262

1263

1264

class DBusObjectWithProperties(DBusObjectWithAnnotations):

1265

"""A D-Bus object with properties.

1266

1267

Classes inheriting from this can use the dbus_service_property

1268

decorator to expose methods as D-Bus properties. It exposes the

1269

standard Get(), Set(), and GetAll() methods on the D-Bus.

1270

"""

1271

1272

899

def _get_dbus_property(self, interface_name, property_name):

1273

900

"""Returns a bound method if one exists which is a D-Bus

1274

901

property with the specified name and interface.

1284

911

raise DBusPropertyNotFound("{}:{}.{}".format(

1285

912

self.dbus_object_path, interface_name, property_name))

1286

913

1287

@classmethod

1288

def _get_all_interface_names(cls):

1289

"""Get a sequence of all interfaces supported by an object"""

1290

return (name for name in set(getattr(getattr(x, attr),

1291

"_dbus_interface", None)

1292

for x in (inspect.getmro(cls))

1293

for attr in dir(x))

1294

if name is not None)

1295

1296

914

@dbus.service.method(dbus.PROPERTIES_IFACE,

1297

915

in_signature="ss",

1298

916

out_signature="v")

1368

986

1369

987

Inserts property tags and interface annotation tags.

1370

988

"""

1371

xmlstring = DBusObjectWithAnnotations.Introspect(self,

1372

object_path,

1373

connection)

989

xmlstring = dbus.service.Object.Introspect(self, object_path,

990

connection)

1374

991

try:

1375

992

document = xml.dom.minidom.parseString(xmlstring)

1376

993

1389

1006

if prop._dbus_interface

1390

1007

== if_tag.getAttribute("name")):

1391

1008

if_tag.appendChild(tag)

1392

# Add annotation tags for properties

1393

for tag in if_tag.getElementsByTagName("property"):

1394

annots = dict()

1395

for name, prop in self._get_all_dbus_things(

1396

"property"):

1397

if (name == tag.getAttribute("name")

1398

and prop._dbus_interface

1399

== if_tag.getAttribute("name")):

1400

annots.update(getattr(

1401

prop, "_dbus_annotations", {}))

1402

for name, value in annots.items():

1403

ann_tag = document.createElement(

1404

"annotation")

1405

ann_tag.setAttribute("name", name)

1406

ann_tag.setAttribute("value", value)

1407

tag.appendChild(ann_tag)

1009

# Add annotation tags

1010

for typ in ("method", "signal", "property"):

1011

for tag in if_tag.getElementsByTagName(typ):

1012

annots = dict()

1013

for name, prop in (self.

1014

_get_all_dbus_things(typ)):

1015

if (name == tag.getAttribute("name")

1016

and prop._dbus_interface

1017

== if_tag.getAttribute("name")):

1018

annots.update(getattr(

1019

prop, "_dbus_annotations", {}))

1020

for name, value in annots.items():

1021

ann_tag = document.createElement(

1022

"annotation")

1023

ann_tag.setAttribute("name", name)

1024

ann_tag.setAttribute("value", value)

1025

tag.appendChild(ann_tag)

1026

# Add interface annotation tags

1027

for annotation, value in dict(

1028

itertools.chain.from_iterable(

1029

annotations().items()

1030

for name, annotations

1031

in self._get_all_dbus_things("interface")

1032

if name == if_tag.getAttribute("name")

1033

)).items():

1034

ann_tag = document.createElement("annotation")

1035

ann_tag.setAttribute("name", annotation)

1036

ann_tag.setAttribute("value", value)

1037

if_tag.appendChild(ann_tag)

1408

1038

# Add the names to the return values for the

1409

1039

# "org.freedesktop.DBus.Properties" methods

1410

1040

if (if_tag.getAttribute("name")

1428

1058

exc_info=error)

1429

1059

return xmlstring

1430

1060

1431

try:

1432

dbus.OBJECT_MANAGER_IFACE

1433

except AttributeError:

1434

dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"

1435

1436

class DBusObjectWithObjectManager(DBusObjectWithAnnotations):

1437

"""A D-Bus object with an ObjectManager.

1438

1439

Classes inheriting from this exposes the standard

1440

GetManagedObjects call and the InterfacesAdded and

1441

InterfacesRemoved signals on the standard

1442

"org.freedesktop.DBus.ObjectManager" interface.

1443

1444

Note: No signals are sent automatically; they must be sent

1445

manually.

1446

"""

1447

@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,

1448

out_signature = "a{oa{sa{sv}}}")

1449

def GetManagedObjects(self):

1450

"""This function must be overridden"""

1451

raise NotImplementedError()

1452

1453

@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,

1454

signature = "oa{sa{sv}}")

1455

def InterfacesAdded(self, object_path, interfaces_and_properties):

1456

pass

1457

1458

@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")

1459

def InterfacesRemoved(self, object_path, interfaces):

1460

pass

1461

1462

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1463

out_signature = "s",

1464

path_keyword = 'object_path',

1465

connection_keyword = 'connection')

1466

def Introspect(self, object_path, connection):

1467

"""Overloading of standard D-Bus method.

1468

1469

Override return argument name of GetManagedObjects to be

1470

"objpath_interfaces_and_properties"

1471

"""

1472

xmlstring = DBusObjectWithAnnotations.Introspect(self,

1473

object_path,

1474

connection)

1475

try:

1476

document = xml.dom.minidom.parseString(xmlstring)

1477

1478

for if_tag in document.getElementsByTagName("interface"):

1479

# Fix argument name for the GetManagedObjects method

1480

if (if_tag.getAttribute("name")

1481

== dbus.OBJECT_MANAGER_IFACE):

1482

for cn in if_tag.getElementsByTagName("method"):

1483

if (cn.getAttribute("name")

1484

== "GetManagedObjects"):

1485

for arg in cn.getElementsByTagName("arg"):

1486

if (arg.getAttribute("direction")

1487

== "out"):

1488

arg.setAttribute(

1489

"name",

1490

"objpath_interfaces"

1491

"_and_properties")

1492

xmlstring = document.toxml("utf-8")

1493

document.unlink()

1494

except (AttributeError, xml.dom.DOMException,

1495

xml.parsers.expat.ExpatError) as error:

1496

logger.error("Failed to override Introspection method",

1497

exc_info = error)

1498

return xmlstring

1499

1061

1500

1062

def datetime_to_dbus(dt, variant_level=0):

1501

1063

"""Convert a UTC datetime.datetime() to a D-Bus type."""

1548

1110

interface_names.add(alt_interface)

1549

1111

# Is this a D-Bus signal?

1550

1112

if getattr(attribute, "_dbus_is_signal", False):

1551

# Extract the original non-method undecorated

1552

# function by black magic

1553

1113

if sys.version_info.major == 2:

1114

# Extract the original non-method undecorated

1115

# function by black magic

1554

1116

nonmethod_func = (dict(

1555

1117

zip(attribute.func_code.co_freevars,

1556

1118

attribute.__closure__))

1557

1119

["func"].cell_contents)

1558

1120

else:

1559

nonmethod_func = (dict(

1560

zip(attribute.__code__.co_freevars,

1561

attribute.__closure__))

1562

["func"].cell_contents)

1121

nonmethod_func = attribute

1563

1122

# Create a new, but exactly alike, function

1564

1123

# object, and decorate it to be a new D-Bus signal

1565

1124

# with the alternate D-Bus interface name

1566

new_function = copy_function(nonmethod_func)

1125

if sys.version_info.major == 2:

1126

new_function = types.FunctionType(

1127

nonmethod_func.func_code,

1128

nonmethod_func.func_globals,

1129

nonmethod_func.func_name,

1130

nonmethod_func.func_defaults,

1131

nonmethod_func.func_closure)

1132

else:

1133

new_function = types.FunctionType(

1134

nonmethod_func.__code__,

1135

nonmethod_func.__globals__,

1136

nonmethod_func.__name__,

1137

nonmethod_func.__defaults__,

1138

nonmethod_func.__closure__)

1567

1139

new_function = (dbus.service.signal(

1568

1140

alt_interface,

1569

1141

attribute._dbus_signature)(new_function))

1582

1154

func1 and func2 to the "call_both" function

1583

1155

outside of its arguments"""

1584

1156

1585

@functools.wraps(func2)

1586

1157

def call_both(*args, **kwargs):

1587

1158

"""This function will emit two D-Bus

1588

1159

signals by calling func1 and func2"""

1589

1160

func1(*args, **kwargs)

1590

1161

func2(*args, **kwargs)

1591

# Make wrapper function look like a D-Bus signal

1592

for name, attr in inspect.getmembers(func2):

1593

if name.startswith("_dbus_"):

1594

setattr(call_both, name, attr)

1595

1162

1596

1163

return call_both

1597

1164

# Create the "call_both" function and add it to

1608

1175

alt_interface,

1609

1176

attribute._dbus_in_signature,

1610

1177

attribute._dbus_out_signature)

1611

(copy_function(attribute)))

1178

(types.FunctionType(attribute.func_code,

1179

attribute.func_globals,

1180

attribute.func_name,

1181

attribute.func_defaults,

1182

attribute.func_closure)))

1612

1183

# Copy annotations, if any

1613

1184

try:

1614

1185

attr[attrname]._dbus_annotations = dict(

1626

1197

attribute._dbus_access,

1627

1198

attribute._dbus_get_args_options

1628

1199

["byte_arrays"])

1629

(copy_function(attribute)))

1200

(types.FunctionType(

1201

attribute.func_code,

1202

attribute.func_globals,

1203

attribute.func_name,

1204

attribute.func_defaults,

1205

attribute.func_closure)))

1630

1206

# Copy annotations, if any

1631

1207

try:

1632

1208

attr[attrname]._dbus_annotations = dict(

1641

1217

# to the class.

1642

1218

attr[attrname] = (

1643

1219

dbus_interface_annotations(alt_interface)

1644

(copy_function(attribute)))

1220

(types.FunctionType(attribute.func_code,

1221

attribute.func_globals,

1222

attribute.func_name,

1223

attribute.func_defaults,

1224

attribute.func_closure)))

1645

1225

if deprecate:

1646

1226

# Deprecate all alternate interfaces

1647

1227

iname="_AlternateDBusNames_interface_annotation{}"

1660

1240

if interface_names:

1661

1241

# Replace the class with a new subclass of it with

1662

1242

# methods, signals, etc. as created above.

1663

if sys.version_info.major == 2:

1664

cls = type(b"{}Alternate".format(cls.__name__),

1665

(cls, ), attr)

1666

else:

1667

cls = type("{}Alternate".format(cls.__name__),

1668

(cls, ), attr)

1243

cls = type(b"{}Alternate".format(cls.__name__),

1244

(cls, ), attr)

1669

1245

return cls

1670

1246

1671

1247

return wrapper

1829

1405

1830

1406

def approve(self, value=True):

1831

1407

self.approved = value

1832

GLib.timeout_add(int(self.approval_duration.total_seconds()

1833

* 1000), self._reset_approved)

1408

gobject.timeout_add(int(self.approval_duration.total_seconds()

1409

* 1000), self._reset_approved)

1834

1410

self.send_changedstate()

1835

1411

1836

1412

## D-Bus methods, signals & properties

2046

1622

if (getattr(self, "disable_initiator_tag", None)

2047

1623

is None):

2048

1624

return

2049

GLib.source_remove(self.disable_initiator_tag)

2050

self.disable_initiator_tag = GLib.timeout_add(

1625

gobject.source_remove(self.disable_initiator_tag)

1626

self.disable_initiator_tag = gobject.timeout_add(

2051

1627

int((self.expires - now).total_seconds() * 1000),

2052

1628

self.disable)

2053

1629

2073

1649

return

2074

1650

if self.enabled:

2075

1651

# Reschedule checker run

2076

GLib.source_remove(self.checker_initiator_tag)

2077

self.checker_initiator_tag = GLib.timeout_add(

1652

gobject.source_remove(self.checker_initiator_tag)

1653

self.checker_initiator_tag = gobject.timeout_add(

2078

1654

value, self.start_checker)

2079

1655

self.start_checker() # Start one now, too

2080

1656

2162

1738

logger.debug("Pipe FD: %d",

2163

1739

self.server.child_pipe.fileno())

2164

1740

2165

session = gnutls.ClientSession(self.request)

1741

session = gnutls.connection.ClientSession(

1742

self.request, gnutls.connection .X509Credentials())

1743

1744

# Note: gnutls.connection.X509Credentials is really a

1745

# generic GnuTLS certificate credentials object so long as

1746

# no X.509 keys are added to it. Therefore, we can use it

1747

# here despite using OpenPGP certificates.

2166

1748

2167

1749

#priority = ':'.join(("NONE", "+VERS-TLS1.1",

2168

1750

# "+AES-256-CBC", "+SHA1",

2172

1754

priority = self.server.gnutls_priority

2173

1755

if priority is None:

2174

1756

priority = "NORMAL"

2175

gnutls.priority_set_direct(session._c_object, priority,

2176

None)

1757

gnutls.library.functions.gnutls_priority_set_direct(

1758

session._c_object, priority, None)

2177

1759

2178

1760

# Start communication using the Mandos protocol

2179

1761

# Get protocol number

2189

1771

# Start GnuTLS connection

2190

1772

try:

2191

1773

session.handshake()

2192

except gnutls.Error as error:

1774

except gnutls.errors.GNUTLSError as error:

2193

1775

logger.warning("Handshake failed: %s", error)

2194

1776

# Do not run session.bye() here: the session is not

2195

1777

# established. Just abandon the request.

2201

1783

try:

2202

1784

fpr = self.fingerprint(

2203

1785

self.peer_certificate(session))

2204

except (TypeError, gnutls.Error) as error:

1786

except (TypeError,

1787

gnutls.errors.GNUTLSError) as error:

2205

1788

logger.warning("Bad certificate: %s", error)

2206

1789

return

2207

1790

logger.debug("Fingerprint: %s", fpr)

2265

1848

else:

2266

1849

delay -= time2 - time

2267

1850

2268

try:

2269

session.send(client.secret)

2270

except gnutls.Error as error:

2271

logger.warning("gnutls send failed",

2272

exc_info = error)

2273

return

1851

sent_size = 0

1852

while sent_size < len(client.secret):

1853

try:

1854

sent = session.send(client.secret[sent_size:])

1855

except gnutls.errors.GNUTLSError as error:

1856

logger.warning("gnutls send failed",

1857

exc_info=error)

1858

return

1859

logger.debug("Sent: %d, remaining: %d", sent,

1860

len(client.secret) - (sent_size

1861

+ sent))

1862

sent_size += sent

2274

1863

2275

1864

logger.info("Sending secret to %s", client.name)

2276

1865

# bump the timeout using extended_timeout

2284

1873

client.approvals_pending -= 1

2285

1874

try:

2286

1875

session.bye()

2287

except gnutls.Error as error:

1876

except gnutls.errors.GNUTLSError as error:

2288

1877

logger.warning("GnuTLS bye failed",

2289

1878

exc_info=error)

2290

1879

2292

1881

def peer_certificate(session):

2293

1882

"Return the peer's OpenPGP certificate as a bytestring"

2294

1883

# If not an OpenPGP certificate...

2295

if (gnutls.certificate_type_get(session._c_object)

2296

!= gnutls.CRT_OPENPGP):

2297

# ...return invalid data

2298

return b""

1884

if (gnutls.library.functions.gnutls_certificate_type_get(

1885

session._c_object)

1886

!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):

1887

# ...do the normal thing

1888

return session.peer_certificate

2299

1889

list_size = ctypes.c_uint(1)

2300

cert_list = (gnutls.certificate_get_peers

1890

cert_list = (gnutls.library.functions

1891

.gnutls_certificate_get_peers

2301

1892

(session._c_object, ctypes.byref(list_size)))

2302

1893

if not bool(cert_list) and list_size.value != 0:

2303

raise gnutls.Error("error getting peer certificate")

1894

raise gnutls.errors.GNUTLSError("error getting peer"

1895

" certificate")

2304

1896

if list_size.value == 0:

2305

1897

return None

2306

1898

cert = cert_list[0]

2310

1902

def fingerprint(openpgp):

2311

1903

"Convert an OpenPGP bytestring to a hexdigit fingerprint"

2312

1904

# New GnuTLS "datum" with the OpenPGP public key

2313

datum = gnutls.datum_t(

1905

datum = gnutls.library.types.gnutls_datum_t(

2314

1906

ctypes.cast(ctypes.c_char_p(openpgp),

2315

1907

ctypes.POINTER(ctypes.c_ubyte)),

2316

1908

ctypes.c_uint(len(openpgp)))

2317

1909

# New empty GnuTLS certificate

2318

crt = gnutls.openpgp_crt_t()

2319

gnutls.openpgp_crt_init(ctypes.byref(crt))

1910

crt = gnutls.library.types.gnutls_openpgp_crt_t()

1911

gnutls.library.functions.gnutls_openpgp_crt_init(

1912

ctypes.byref(crt))

2320

1913

# Import the OpenPGP public key into the certificate

2321

gnutls.openpgp_crt_import(crt, ctypes.byref(datum),

2322

gnutls.OPENPGP_FMT_RAW)

1914

gnutls.library.functions.gnutls_openpgp_crt_import(

1915

crt, ctypes.byref(datum),

1916

gnutls.library.constants.GNUTLS_OPENPGP_FMT_RAW)

2323

1917

# Verify the self signature in the key

2324

1918

crtverify = ctypes.c_uint()

2325

gnutls.openpgp_crt_verify_self(crt, 0,

2326

ctypes.byref(crtverify))

1919

gnutls.library.functions.gnutls_openpgp_crt_verify_self(

1920

crt, 0, ctypes.byref(crtverify))

2327

1921

if crtverify.value != 0:

2328

gnutls.openpgp_crt_deinit(crt)

2329

raise gnutls.CertificateSecurityError("Verify failed")

1922

gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)

1923

raise gnutls.errors.CertificateSecurityError(

1924

"Verify failed")

2330

1925

# New buffer for the fingerprint

2331

1926

buf = ctypes.create_string_buffer(20)

2332

1927

buf_len = ctypes.c_size_t()

2333

1928

# Get the fingerprint from the certificate into the buffer

2334

gnutls.openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),

2335

ctypes.byref(buf_len))

1929

gnutls.library.functions.gnutls_openpgp_crt_get_fingerprint(

1930

crt, ctypes.byref(buf), ctypes.byref(buf_len))

2336

1931

# Deinit the certificate

2337

gnutls.openpgp_crt_deinit(crt)

1932

gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)

2338

1933

# Convert the buffer to a Python bytestring

2339

1934

fpr = ctypes.string_at(buf, buf_len.value)

2340

1935

# Convert the bytestring to hexadecimal notation

2484

2079

gnutls_priority GnuTLS priority string

2485

2080

use_dbus: Boolean; to emit D-Bus signals or not

2486

2081

2487

Assumes a GLib.MainLoop event loop.

2082

Assumes a gobject.MainLoop event loop.

2488

2083

"""

2489

2084

2490

2085

def __init__(self, server_address, RequestHandlerClass,

2515

2110

2516

2111

def add_pipe(self, parent_pipe, proc):

2517

2112

# Call "handle_ipc" for both data and EOF events

2518

GLib.io_add_watch(

2113

gobject.io_add_watch(

2519

2114

parent_pipe.fileno(),

2520

GLib.IO_IN | GLib.IO_HUP,

2115

gobject.IO_IN | gobject.IO_HUP,

2521

2116

functools.partial(self.handle_ipc,

2522

2117

parent_pipe = parent_pipe,

2523

2118

proc = proc))

2527

2122

proc = None,

2528

2123

client_object=None):

2529

2124

# error, or the other end of multiprocessing.Pipe has closed

2530

if condition & (GLib.IO_ERR | GLib.IO_HUP):

2125

if condition & (gobject.IO_ERR | gobject.IO_HUP):

2531

2126

# Wait for other process to exit

2532

2127

proc.join()

2533

2128

return False

2540

2135

fpr = request[1]

2541

2136

address = request[2]

2542

2137

2543

for c in self.clients.values():

2138

for c in self.clients.itervalues():

2544

2139

if c.fingerprint == fpr:

2545

2140

client = c

2546

2141

break

2554

2149

parent_pipe.send(False)

2555

2150

return False

2556

2151

2557

GLib.io_add_watch(

2152

gobject.io_add_watch(

2558

2153

parent_pipe.fileno(),

2559

GLib.IO_IN | GLib.IO_HUP,

2154

gobject.IO_IN | gobject.IO_HUP,

2560

2155

functools.partial(self.handle_ipc,

2561

2156

parent_pipe = parent_pipe,

2562

2157

proc = proc,

2944

2539

logger.error("Could not open file %r", pidfilename,

2945

2540

exc_info=e)

2946

2541

2947

for name, group in (("_mandos", "_mandos"),

2948

("mandos", "mandos"),

2949

("nobody", "nogroup")):

2542

for name in ("_mandos", "mandos", "nobody"):

2950

2543

try:

2951

2544

uid = pwd.getpwnam(name).pw_uid

2952

gid = pwd.getpwnam(group).pw_gid

2545

gid = pwd.getpwnam(name).pw_gid

2953

2546

break

2954

2547

except KeyError:

2955

2548

continue

2959

2552

try:

2960

2553

os.setgid(gid)

2961

2554

os.setuid(uid)

2962

if debug:

2963

logger.debug("Did setuid/setgid to {}:{}".format(uid,

2964

gid))

2965

2555

except OSError as error:

2966

logger.warning("Failed to setuid/setgid to {}:{}: {}"

2967

.format(uid, gid, os.strerror(error.errno)))

2968

2556

if error.errno != errno.EPERM:

2969

2557

raise

2970

2558

2973

2561

2974

2562

# "Use a log level over 10 to enable all debugging options."

2975

2563

# - GnuTLS manual

2976

gnutls.global_set_log_level(11)

2564

gnutls.library.functions.gnutls_global_set_log_level(11)

2977

2565

2978

@gnutls.log_func

2566

@gnutls.library.types.gnutls_log_func

2979

2567

def debug_gnutls(level, string):

2980

2568

logger.debug("GnuTLS: %s", string[:-1])

2981

2569

2982

gnutls.global_set_log_function(debug_gnutls)

2570

gnutls.library.functions.gnutls_global_set_log_function(

2571

debug_gnutls)

2983

2572

2984

2573

# Redirect stdin so all checkers get /dev/null

2985

2574

null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)

2992

2581

# Close all input and output, do double fork, etc.

2993

2582

daemon()

2994

2583

2995

# multiprocessing will use threads, so before we use GLib we need

2996

# to inform GLib that threads will be used.

2997

GLib.threads_init()

2584

# multiprocessing will use threads, so before we use gobject we

2585

# need to inform gobject that threads will be used.

2586

gobject.threads_init()

2998

2587

2999

2588

global main_loop

3000

2589

# From the Avahi example code

3001

2590

DBusGMainLoop(set_as_default=True)

3002

main_loop = GLib.MainLoop()

2591

main_loop = gobject.MainLoop()

3003

2592

bus = dbus.SystemBus()

3004

2593

# End of Avahi example code

3005

2594

if use_dbus:

3049

2638

if server_settings["restore"]:

3050

2639

try:

3051

2640

with open(stored_state_path, "rb") as stored_state:

3052

if sys.version_info.major == 2:

3053

clients_data, old_client_settings = pickle.load(

3054

stored_state)

3055

else:

3056

bytes_clients_data, bytes_old_client_settings = (

3057

pickle.load(stored_state, encoding = "bytes"))

3058

### Fix bytes to strings

3059

## clients_data

3060

# .keys()

3061

clients_data = { (key.decode("utf-8")

3062

if isinstance(key, bytes)

3063

else key): value

3064

for key, value in

3065

bytes_clients_data.items() }

3066

del bytes_clients_data

3067

for key in clients_data:

3068

value = { (k.decode("utf-8")

3069

if isinstance(k, bytes) else k): v

3070

for k, v in

3071

clients_data[key].items() }

3072

clients_data[key] = value

3073

# .client_structure

3074

value["client_structure"] = [

3075

(s.decode("utf-8")

3076

if isinstance(s, bytes)

3077

else s) for s in

3078

value["client_structure"] ]

3079

# .name & .host

3080

for k in ("name", "host"):

3081

if isinstance(value[k], bytes):

3082

value[k] = value[k].decode("utf-8")

3083

## old_client_settings

3084

# .keys()

3085

old_client_settings = {

3086

(key.decode("utf-8")

3087

if isinstance(key, bytes)

3088

else key): value

3089

for key, value in

3090

bytes_old_client_settings.items() }

3091

del bytes_old_client_settings

3092

# .host

3093

for value in old_client_settings.values():

3094

if isinstance(value["host"], bytes):

3095

value["host"] = (value["host"]

3096

.decode("utf-8"))

2641

clients_data, old_client_settings = pickle.load(

2642

stored_state)

3097

2643

os.remove(stored_state_path)

3098

2644

except IOError as e:

3099

2645

if e.errno == errno.ENOENT:

3200

2746

del pidfile

3201

2747

del pidfilename

3202

2748

3203

for termsig in (signal.SIGHUP, signal.SIGTERM):

3204

GLib.unix_signal_add(GLib.PRIORITY_HIGH, termsig,

3205

lambda: main_loop.quit() and False)

2749

signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())

2750

signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())

3206

2751

3207

2752

if use_dbus:

3208

2753

3209

2754

@alternate_dbus_interfaces(

3210

2755

{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })

3211

class MandosDBusService(DBusObjectWithObjectManager):

2756

class MandosDBusService(DBusObjectWithProperties):

3212

2757

"""A D-Bus proxy object"""

3213

2758

3214

2759

def __init__(self):

3216

2761

3217

2762

_interface = "se.recompile.Mandos"

3218

2763

2764

@dbus_interface_annotations(_interface)

2765

def _foo(self):

2766

return {

2767

"org.freedesktop.DBus.Property.EmitsChangedSignal":

2768

"false" }

2769

3219

2770

@dbus.service.signal(_interface, signature="o")

3220

2771

def ClientAdded(self, objpath):

3221

2772

"D-Bus signal"

3226

2777

"D-Bus signal"

3227

2778

pass

3228

2779

3229

@dbus_annotations({"org.freedesktop.DBus.Deprecated":

3230

"true"})

3231

2780

@dbus.service.signal(_interface, signature="os")

3232

2781

def ClientRemoved(self, objpath, name):

3233

2782

"D-Bus signal"

3234

2783

pass

3235

2784

3236

@dbus_annotations({"org.freedesktop.DBus.Deprecated":

3237

"true"})

3238

2785

@dbus.service.method(_interface, out_signature="ao")

3239

2786

def GetAllClients(self):

3240

2787

"D-Bus method"

3241

2788

return dbus.Array(c.dbus_object_path for c in

3242

tcp_server.clients.values())

2789

tcp_server.clients.itervalues())

3243

2790

3244

@dbus_annotations({"org.freedesktop.DBus.Deprecated":

3245

"true"})

3246

2791

@dbus.service.method(_interface,

3247

2792

out_signature="a{oa{sv}}")

3248

2793

def GetAllClientsWithProperties(self):

3249

2794

"D-Bus method"

3250

2795

return dbus.Dictionary(

3251

{ c.dbus_object_path: c.GetAll(

3252

"se.recompile.Mandos.Client")

3253

for c in tcp_server.clients.values() },

2796

{ c.dbus_object_path: c.GetAll("")

2797

for c in tcp_server.clients.itervalues() },

3254

2798

signature="oa{sv}")

3255

2799

3256

2800

@dbus.service.method(_interface, in_signature="o")

3257

2801

def RemoveClient(self, object_path):

3258

2802

"D-Bus method"

3259

for c in tcp_server.clients.values():

2803

for c in tcp_server.clients.itervalues():

3260

2804

if c.dbus_object_path == object_path:

3261

2805

del tcp_server.clients[c.name]

3262

2806

c.remove_from_connection()

3263

# Don't signal the disabling

2807

# Don't signal anything except ClientRemoved

3264

2808

c.disable(quiet=True)

3265

# Emit D-Bus signal for removal

3266

self.client_removed_signal(c)

2809

# Emit D-Bus signal

2810

self.ClientRemoved(object_path, c.name)

3267

2811

return

3268

2812

raise KeyError(object_path)

3269

2813

3270

2814

del _interface

3271

3272

@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,

3273

out_signature = "a{oa{sa{sv}}}")

3274

def GetManagedObjects(self):

3275

"""D-Bus method"""

3276

return dbus.Dictionary(

3277

{ client.dbus_object_path:

3278

dbus.Dictionary(

3279

{ interface: client.GetAll(interface)

3280

for interface in

3281

client._get_all_interface_names()})

3282

for client in tcp_server.clients.values()})

3283

3284

def client_added_signal(self, client):

3285

"""Send the new standard signal and the old signal"""

3286

if use_dbus:

3287

# New standard signal

3288

self.InterfacesAdded(

3289

client.dbus_object_path,

3290

dbus.Dictionary(

3291

{ interface: client.GetAll(interface)

3292

for interface in

3293

client._get_all_interface_names()}))

3294

# Old signal

3295

self.ClientAdded(client.dbus_object_path)

3296

3297

def client_removed_signal(self, client):

3298

"""Send the new standard signal and the old signal"""

3299

if use_dbus:

3300

# New standard signal

3301

self.InterfacesRemoved(

3302

client.dbus_object_path,

3303

client._get_all_interface_names())

3304

# Old signal

3305

self.ClientRemoved(client.dbus_object_path,

3306

client.name)

3307

2815

3308

2816

mandos_dbus_service = MandosDBusService()

3309

2817

3322

2830

# removed/edited, old secret will thus be unrecovable.

3323

2831

clients = {}

3324

2832

with PGPEngine() as pgp:

3325

for client in tcp_server.clients.values():

2833

for client in tcp_server.clients.itervalues():

3326

2834

key = client_settings[client.name]["secret"]

3327

2835

client.encrypted_secret = pgp.encrypt(client.secret,

3328

2836

key)

3352

2860

prefix='clients-',

3353

2861

dir=os.path.dirname(stored_state_path),

3354

2862

delete=False) as stored_state:

3355

pickle.dump((clients, client_settings), stored_state,

3356

protocol = 2)

2863

pickle.dump((clients, client_settings), stored_state)

3357

2864

tempname = stored_state.name

3358

2865

os.rename(tempname, stored_state_path)

3359

2866

except (IOError, OSError) as e:

3375

2882

name, client = tcp_server.clients.popitem()

3376

2883

if use_dbus:

3377

2884

client.remove_from_connection()

3378

# Don't signal the disabling

2885

# Don't signal anything except ClientRemoved

3379

2886

client.disable(quiet=True)

3380

# Emit D-Bus signal for removal

3381

2887

if use_dbus:

3382

mandos_dbus_service.client_removed_signal(client)

2888

# Emit D-Bus signal

2889

mandos_dbus_service.ClientRemoved(

2890

client.dbus_object_path, client.name)

3383

2891

client_settings.clear()

3384

2892

3385

2893

atexit.register(cleanup)

3386

2894

3387

for client in tcp_server.clients.values():

2895

for client in tcp_server.clients.itervalues():

3388

2896

if use_dbus:

3389

# Emit D-Bus signal for adding

3390

mandos_dbus_service.client_added_signal(client)

2897

# Emit D-Bus signal

2898

mandos_dbus_service.ClientAdded(client.dbus_object_path)

3391

2899

# Need to initiate checking of clients

3392

2900

if client.enabled:

3393

2901

client.init_checker()

3419

2927

sys.exit(1)

3420

2928

# End of Avahi example code

3421

2929

3422

GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,

3423

lambda *args, **kwargs:

3424

(tcp_server.handle_request

3425

(*args[2:], **kwargs) or True))

2930

gobject.io_add_watch(tcp_server.fileno(), gobject.IO_IN,

2931

lambda *args, **kwargs:

2932

(tcp_server.handle_request

2933

(*args[2:], **kwargs) or True))

3426

2934

3427

2935

logger.debug("Starting main loop")

3428

2936

main_loop.run()