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# -*- mode: python; coding: utf-8 -*-
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# Mandos server - give out binary blobs to connecting clients.
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# This program is partly derived from an example program for an Avahi
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# service publisher, downloaded from
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# <http://avahi.org/wiki/PythonPublishExample>. This includes the
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# methods "add", "remove", "server_state_changed",
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# "entry_group_state_changed", "cleanup", and "activate" in the
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# "AvahiService" class, and some lines in "main".
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# Everything else is
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# Copyright © 2008-2017 Teddy Hogeborn
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# Copyright © 2008-2017 Björn Påhlsson
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# This file is part of Mandos.
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# Copyright © 2008-2015 Teddy Hogeborn
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# Copyright © 2008-2015 Björn Påhlsson
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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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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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from __future__ import (division, absolute_import, print_function,
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from future_builtins import *
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from future_builtins import *
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import SocketServer as socketserver
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import dbus.service
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from gi.repository import GLib
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from gi.repository import GObject as gobject
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from dbus.mainloop.glib import DBusGMainLoop
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import xml.dom.minidom
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# Try to find the value of SO_BINDTODEVICE:
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# This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and
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# newer, and it is also the most natural place for it:
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SO_BINDTODEVICE = socket.SO_BINDTODEVICE
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except AttributeError:
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# This is where SO_BINDTODEVICE was up to and including Python
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from IN import SO_BINDTODEVICE
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except ImportError:
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# In Python 2.7 it seems to have been removed entirely.
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# Try running the C preprocessor:
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cc = subprocess.Popen(["cc", "--language=c", "-E",
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE)
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stdout = cc.communicate(
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"#include <sys/socket.h>\nSO_BINDTODEVICE\n")[0]
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SO_BINDTODEVICE = int(stdout.splitlines()[-1])
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except (OSError, ValueError, IndexError):
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SO_BINDTODEVICE = None
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SO_BINDTODEVICE = None
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if sys.version_info.major == 2:
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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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return types.FunctionType(func.__code__,
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def initlogger(debug, level=logging.WARNING):
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"""init logger and add loglevel"""
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syslogger = (logging.handlers.SysLogHandler(
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facility=logging.handlers.SysLogHandler.LOG_DAEMON,
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facility = logging.handlers.SysLogHandler.LOG_DAEMON,
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address = "/dev/log"))
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syslogger.setFormatter(logging.Formatter
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('Mandos [%(process)d]: %(levelname)s:'
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logger.addHandler(syslogger)
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console = logging.StreamHandler()
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console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
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class PGPEngine(object):
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"""A simple class for OpenPGP symmetric encryption & decryption"""
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def __init__(self):
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self.tempdir = tempfile.mkdtemp(prefix="mandos-")
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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 e.errno != errno.ENOENT:
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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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# Only GPG version 1 has the --no-use-agent option.
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if self.gpg == "gpg" or self.gpg.endswith("/gpg"):
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self.gnupgargs.append("--no-use-agent")
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def __enter__(self):
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def __exit__(self, exc_type, exc_value, traceback):
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def __del__(self):
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def _cleanup(self):
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if self.tempdir is not None:
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# Delete contents of tempdir
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for root, dirs, files in os.walk(self.tempdir,
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for filename in files:
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os.remove(os.path.join(root, filename))
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for dirname in dirs:
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.replace(b"\n", b"\\n")
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.replace(b"\0", b"\\x00"))
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def encrypt(self, data, password):
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passphrase = self.password_encode(password)
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with tempfile.NamedTemporaryFile(
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dir=self.tempdir) as passfile:
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passfile.write(passphrase)
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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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+ self.gnupgargs,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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ciphertext, err = proc.communicate(input=data)
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE)
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ciphertext, err = proc.communicate(input = data)
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if proc.returncode != 0:
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raise PGPError(err)
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return ciphertext
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def decrypt(self, data, password):
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passphrase = self.password_encode(password)
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with tempfile.NamedTemporaryFile(
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dir=self.tempdir) as passfile:
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dir = self.tempdir) as passfile:
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passfile.write(passphrase)
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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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+ self.gnupgargs,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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decrypted_plaintext, err = proc.communicate(input=data)
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE)
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decrypted_plaintext, err = proc.communicate(input = data)
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if proc.returncode != 0:
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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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"""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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class AvahiError(Exception):
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def __init__(self, value, *args, **kwargs):
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self.value = value
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.format(self.name)))
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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.util.find_library("gnutls")
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library = ctypes.util.find_library("gnutls-deb0")
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_library = ctypes.cdll.LoadLibrary(library)
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_need_version = b"3.3.0"
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_library = ctypes.cdll.LoadLibrary(
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ctypes.util.find_library("gnutls"))
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_need_version = "3.3.0"
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def __init__(self):
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# Need to use "self" here, since this method is called before
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# the assignment to the "gnutls" global variable happens.
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if self.check_version(self._need_version) is None:
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raise self.Error("Needs GnuTLS {} or later"
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.format(self._need_version))
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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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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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E_INTERRUPTED = -52
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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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class session_int(ctypes.Structure):
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session_t = ctypes.POINTER(session_int)
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class certificate_credentials_st(ctypes.Structure):
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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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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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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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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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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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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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return _error_code(result)
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result = func(*arguments)
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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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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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record_send.restype = ctypes.c_ssize_t
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record_send.errcheck = _retry_on_error
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certificate_allocate_credentials = (
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_library.gnutls_certificate_allocate_credentials)
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certificate_allocate_credentials.argtypes = [
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ctypes.POINTER(certificate_credentials_t)]
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certificate_allocate_credentials.restype = _error_code
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certificate_free_credentials = (
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_library.gnutls_certificate_free_credentials)
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certificate_free_credentials.argtypes = [
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certificate_credentials_t]
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certificate_free_credentials.argtypes = [certificate_credentials_t]
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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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handshake_set_private_extensions.restype = None
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credentials_set = _library.gnutls_credentials_set
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credentials_set.argtypes = [session_t, credentials_type_t,
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credentials_set.restype = _error_code
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strerror = _library.gnutls_strerror
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strerror.argtypes = [ctypes.c_int]
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strerror.restype = ctypes.c_char_p
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certificate_type_get = _library.gnutls_certificate_type_get
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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
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certificate_get_peers.argtypes = [session_t,
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ctypes.POINTER(ctypes.c_uint)]
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certificate_get_peers.restype = ctypes.POINTER(datum_t)
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global_set_log_level = _library.gnutls_global_set_log_level
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global_set_log_level.argtypes = [ctypes.c_int]
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global_set_log_level.restype = None
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global_set_log_function = _library.gnutls_global_set_log_function
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global_set_log_function.argtypes = [log_func]
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global_set_log_function.restype = None
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deinit = _library.gnutls_deinit
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deinit.argtypes = [session_t]
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deinit.restype = None
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handshake = _library.gnutls_handshake
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handshake.argtypes = [session_t]
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handshake.restype = _error_code
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handshake.errcheck = _retry_on_error
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transport_set_ptr = _library.gnutls_transport_set_ptr
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transport_set_ptr.argtypes = [session_t, transport_ptr_t]
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transport_set_ptr.restype = None
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bye = _library.gnutls_bye
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bye.argtypes = [session_t, close_request_t]
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bye.restype = _error_code
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bye.errcheck = _retry_on_error
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check_version = _library.gnutls_check_version
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check_version.argtypes = [ctypes.c_char_p]
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check_version.restype = ctypes.c_char_p
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# All the function declarations below are from gnutls/openpgp.h
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openpgp_crt_init = _library.gnutls_openpgp_crt_init
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openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
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openpgp_crt_init.restype = _error_code
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openpgp_crt_import = _library.gnutls_openpgp_crt_import
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openpgp_crt_import.argtypes = [openpgp_crt_t,
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ctypes.POINTER(datum_t),
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openpgp_crt_fmt_t]
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openpgp_crt_import.restype = _error_code
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openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
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openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
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ctypes.POINTER(ctypes.c_uint)]
749
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openpgp_crt_verify_self.restype = _error_code
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openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
752
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openpgp_crt_deinit.argtypes = [openpgp_crt_t]
753
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openpgp_crt_deinit.restype = None
755
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openpgp_crt_get_fingerprint = (
756
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_library.gnutls_openpgp_crt_get_fingerprint)
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openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
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checker: subprocess.Popen(); a running checker process used
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to see if the client lives.
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'None' if no process is running.
790
checker_callback_tag: a GLib event source tag, or None
707
checker_callback_tag: a gobject event source tag, or None
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checker_command: string; External command which is run to check
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if client lives. %() expansions are done at
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runtime with vars(self) as dict, so that for
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instance %(name)s can be used in the command.
795
checker_initiator_tag: a GLib event source tag, or None
712
checker_initiator_tag: a gobject event source tag, or None
796
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created: datetime.datetime(); (UTC) object creation
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client_structure: Object describing what attributes a client has
798
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and is used for storing the client at exit
799
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current_checker_command: string; current running checker_command
800
disable_initiator_tag: a GLib event source tag, or None
717
disable_initiator_tag: a gobject event source tag, or None
802
719
fingerprint: string (40 or 32 hexadecimal digits); used to
803
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uniquely identify the client
852
769
for client_name in config.sections():
853
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section = dict(config.items(client_name))
854
771
client = settings[client_name] = {}
856
773
client["host"] = section["host"]
857
774
# Reformat values from string types to Python types
858
775
client["approved_by_default"] = config.getboolean(
859
776
client_name, "approved_by_default")
860
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client["enabled"] = config.getboolean(client_name,
863
780
# Uppercase and remove spaces from fingerprint for later
864
781
# comparison purposes with return value from the
865
782
# fingerprint() function
866
783
client["fingerprint"] = (section["fingerprint"].upper()
867
784
.replace(" ", ""))
868
785
if "secret" in section:
869
client["secret"] = codecs.decode(section["secret"]
786
client["secret"] = section["secret"].decode("base64")
872
787
elif "secfile" in section:
873
788
with open(os.path.expanduser(os.path.expandvars
874
789
(section["secfile"])),
927
842
self.changedstate = multiprocessing_manager.Condition(
928
843
multiprocessing_manager.Lock())
929
844
self.client_structure = [attr
930
for attr in self.__dict__.keys()
845
for attr in self.__dict__.iterkeys()
931
846
if not attr.startswith("_")]
932
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self.client_structure.append("client_structure")
934
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for name, t in inspect.getmembers(
935
850
type(self), lambda obj: isinstance(obj, property)):
936
851
if not name.startswith("_"):
937
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self.client_structure.append(name)
939
854
# Send notice to process children that client state has changed
940
855
def send_changedstate(self):
941
856
with self.changedstate:
942
857
self.changedstate.notify_all()
944
859
def enable(self):
945
860
"""Start this client's checker and timeout hooks"""
946
861
if getattr(self, "enabled", False):
960
875
logger.info("Disabling client %s", self.name)
961
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if getattr(self, "disable_initiator_tag", None) is not None:
962
GLib.source_remove(self.disable_initiator_tag)
877
gobject.source_remove(self.disable_initiator_tag)
963
878
self.disable_initiator_tag = None
964
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self.expires = None
965
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if getattr(self, "checker_initiator_tag", None) is not None:
966
GLib.source_remove(self.checker_initiator_tag)
881
gobject.source_remove(self.checker_initiator_tag)
967
882
self.checker_initiator_tag = None
968
883
self.stop_checker()
969
884
self.enabled = False
971
886
self.send_changedstate()
972
# Do not run this again if called by a GLib.timeout_add
887
# Do not run this again if called by a gobject.timeout_add
975
890
def __del__(self):
978
893
def init_checker(self):
979
894
# Schedule a new checker to be started an 'interval' from now,
980
895
# and every interval from then on.
981
896
if self.checker_initiator_tag is not None:
982
GLib.source_remove(self.checker_initiator_tag)
983
self.checker_initiator_tag = GLib.timeout_add(
897
gobject.source_remove(self.checker_initiator_tag)
898
self.checker_initiator_tag = gobject.timeout_add(
984
899
int(self.interval.total_seconds() * 1000),
985
900
self.start_checker)
986
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# Schedule a disable() when 'timeout' has passed
987
902
if self.disable_initiator_tag is not None:
988
GLib.source_remove(self.disable_initiator_tag)
989
self.disable_initiator_tag = GLib.timeout_add(
903
gobject.source_remove(self.disable_initiator_tag)
904
self.disable_initiator_tag = gobject.timeout_add(
990
905
int(self.timeout.total_seconds() * 1000), self.disable)
991
906
# Also start a new checker *right now*.
992
907
self.start_checker()
994
909
def checker_callback(self, source, condition, connection,
996
911
"""The checker has completed, so take appropriate actions."""
1015
930
logger.warning("Checker for %(name)s crashed?",
1019
934
def checked_ok(self):
1020
935
"""Assert that the client has been seen, alive and well."""
1021
936
self.last_checked_ok = datetime.datetime.utcnow()
1022
937
self.last_checker_status = 0
1023
938
self.last_checker_signal = None
1024
939
self.bump_timeout()
1026
941
def bump_timeout(self, timeout=None):
1027
942
"""Bump up the timeout for this client."""
1028
943
if timeout is None:
1029
944
timeout = self.timeout
1030
945
if self.disable_initiator_tag is not None:
1031
GLib.source_remove(self.disable_initiator_tag)
946
gobject.source_remove(self.disable_initiator_tag)
1032
947
self.disable_initiator_tag = None
1033
948
if getattr(self, "enabled", False):
1034
self.disable_initiator_tag = GLib.timeout_add(
949
self.disable_initiator_tag = gobject.timeout_add(
1035
950
int(timeout.total_seconds() * 1000), self.disable)
1036
951
self.expires = datetime.datetime.utcnow() + timeout
1038
953
def need_approval(self):
1039
954
self.last_approval_request = datetime.datetime.utcnow()
1041
956
def start_checker(self):
1042
957
"""Start a new checker subprocess if one is not running.
1044
959
If a checker already exists, leave it running and do
1046
961
# The reason for not killing a running checker is that if we
1079
994
# The exception is when not debugging but nevertheless
1080
995
# running in the foreground; use the previously
1081
996
# created wnull.
1082
popen_args = {"close_fds": True,
997
popen_args = { "close_fds": True,
1085
1000
if (not self.server_settings["debug"]
1086
1001
and self.server_settings["foreground"]):
1087
1002
popen_args.update({"stdout": wnull,
1089
pipe = multiprocessing.Pipe(duplex=False)
1004
pipe = multiprocessing.Pipe(duplex = False)
1090
1005
self.checker = multiprocessing.Process(
1092
args=(pipe[1], subprocess.call, command),
1007
args = (pipe[1], subprocess.call, command),
1008
kwargs = popen_args)
1094
1009
self.checker.start()
1095
self.checker_callback_tag = GLib.io_add_watch(
1096
pipe[0].fileno(), GLib.IO_IN,
1010
self.checker_callback_tag = gobject.io_add_watch(
1011
pipe[0].fileno(), gobject.IO_IN,
1097
1012
self.checker_callback, pipe[0], command)
1098
# Re-run this periodically if run by GLib.timeout_add
1013
# Re-run this periodically if run by gobject.timeout_add
1101
1016
def stop_checker(self):
1102
1017
"""Force the checker process, if any, to stop."""
1103
1018
if self.checker_callback_tag:
1104
GLib.source_remove(self.checker_callback_tag)
1019
gobject.source_remove(self.checker_callback_tag)
1105
1020
self.checker_callback_tag = None
1106
1021
if getattr(self, "checker", None) is None:
1138
1053
func._dbus_name = func.__name__
1139
1054
if func._dbus_name.endswith("_dbus_property"):
1140
1055
func._dbus_name = func._dbus_name[:-14]
1141
func._dbus_get_args_options = {'byte_arrays': byte_arrays}
1056
func._dbus_get_args_options = {'byte_arrays': byte_arrays }
1144
1059
return decorator
1147
1062
def dbus_interface_annotations(dbus_interface):
1148
1063
"""Decorator for marking functions returning interface annotations
1152
1067
@dbus_interface_annotations("org.example.Interface")
1153
1068
def _foo(self): # Function name does not matter
1154
1069
return {"org.freedesktop.DBus.Deprecated": "true",
1155
1070
"org.freedesktop.DBus.Property.EmitsChangedSignal":
1159
1074
def decorator(func):
1160
1075
func._dbus_is_interface = True
1161
1076
func._dbus_interface = dbus_interface
1162
1077
func._dbus_name = dbus_interface
1165
1080
return decorator
1168
1083
def dbus_annotations(annotations):
1169
1084
"""Decorator to annotate D-Bus methods, signals or properties
1172
1087
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true",
1173
1088
"org.freedesktop.DBus.Property."
1174
1089
"EmitsChangedSignal": "false"})
1230
1145
for cls in self.__class__.__mro__
1231
1146
for name, athing in
1232
1147
inspect.getmembers(cls, self._is_dbus_thing(thing)))
1234
1149
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1236
path_keyword='object_path',
1237
connection_keyword='connection')
1150
out_signature = "s",
1151
path_keyword = 'object_path',
1152
connection_keyword = 'connection')
1238
1153
def Introspect(self, object_path, connection):
1239
1154
"""Overloading of standard D-Bus method.
1241
1156
Inserts annotation tags on methods and signals.
1243
1158
xmlstring = dbus.service.Object.Introspect(self, object_path,
1246
1161
document = xml.dom.minidom.parseString(xmlstring)
1248
1163
for if_tag in document.getElementsByTagName("interface"):
1249
1164
# Add annotation tags
1250
1165
for typ in ("method", "signal"):
1461
1376
exc_info=error)
1462
1377
return xmlstring
1466
1380
dbus.OBJECT_MANAGER_IFACE
1467
1381
except AttributeError:
1468
1382
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
1471
1384
class DBusObjectWithObjectManager(DBusObjectWithAnnotations):
1472
1385
"""A D-Bus object with an ObjectManager.
1474
1387
Classes inheriting from this exposes the standard
1475
1388
GetManagedObjects call and the InterfacesAdded and
1476
1389
InterfacesRemoved signals on the standard
1477
1390
"org.freedesktop.DBus.ObjectManager" interface.
1479
1392
Note: No signals are sent automatically; they must be sent
1482
1395
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
1483
out_signature="a{oa{sa{sv}}}")
1396
out_signature = "a{oa{sa{sv}}}")
1484
1397
def GetManagedObjects(self):
1485
1398
"""This function must be overridden"""
1486
1399
raise NotImplementedError()
1488
1401
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE,
1489
signature="oa{sa{sv}}")
1402
signature = "oa{sa{sv}}")
1490
1403
def InterfacesAdded(self, object_path, interfaces_and_properties):
1493
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature="oas")
1406
@dbus.service.signal(dbus.OBJECT_MANAGER_IFACE, signature = "oas")
1494
1407
def InterfacesRemoved(self, object_path, interfaces):
1497
1410
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1499
path_keyword='object_path',
1500
connection_keyword='connection')
1411
out_signature = "s",
1412
path_keyword = 'object_path',
1413
connection_keyword = 'connection')
1501
1414
def Introspect(self, object_path, connection):
1502
1415
"""Overloading of standard D-Bus method.
1504
1417
Override return argument name of GetManagedObjects to be
1505
1418
"objpath_interfaces_and_properties"
1545
1457
dbus.service.Object, it will add alternate D-Bus attributes with
1546
1458
interface names according to the "alt_interface_names" mapping.
1549
1461
@alternate_dbus_interfaces({"org.example.Interface":
1550
1462
"net.example.AlternateInterface"})
1551
1463
class SampleDBusObject(dbus.service.Object):
1552
1464
@dbus.service.method("org.example.Interface")
1553
1465
def SampleDBusMethod():
1556
1468
The above "SampleDBusMethod" on "SampleDBusObject" will be
1557
1469
reachable via two interfaces: "org.example.Interface" and
1558
1470
"net.example.AlternateInterface", the latter of which will have
1559
1471
its D-Bus annotation "org.freedesktop.DBus.Deprecated" set to
1560
1472
"true", unless "deprecate" is passed with a False value.
1562
1474
This works for methods and signals, and also for D-Bus properties
1563
1475
(from DBusObjectWithProperties) and interfaces (from the
1564
1476
dbus_interface_annotations decorator).
1567
1479
def wrapper(cls):
1568
1480
for orig_interface_name, alt_interface_name in (
1569
1481
alt_interface_names.items()):
1584
1496
interface_names.add(alt_interface)
1585
1497
# Is this a D-Bus signal?
1586
1498
if getattr(attribute, "_dbus_is_signal", False):
1587
# Extract the original non-method undecorated
1588
# function by black magic
1589
1499
if sys.version_info.major == 2:
1500
# Extract the original non-method undecorated
1501
# function by black magic
1590
1502
nonmethod_func = (dict(
1591
1503
zip(attribute.func_code.co_freevars,
1592
1504
attribute.__closure__))
1593
1505
["func"].cell_contents)
1595
nonmethod_func = (dict(
1596
zip(attribute.__code__.co_freevars,
1597
attribute.__closure__))
1598
["func"].cell_contents)
1507
nonmethod_func = attribute
1599
1508
# Create a new, but exactly alike, function
1600
1509
# object, and decorate it to be a new D-Bus signal
1601
1510
# with the alternate D-Bus interface name
1602
new_function = copy_function(nonmethod_func)
1511
if sys.version_info.major == 2:
1512
new_function = types.FunctionType(
1513
nonmethod_func.func_code,
1514
nonmethod_func.func_globals,
1515
nonmethod_func.func_name,
1516
nonmethod_func.func_defaults,
1517
nonmethod_func.func_closure)
1519
new_function = types.FunctionType(
1520
nonmethod_func.__code__,
1521
nonmethod_func.__globals__,
1522
nonmethod_func.__name__,
1523
nonmethod_func.__defaults__,
1524
nonmethod_func.__closure__)
1603
1525
new_function = (dbus.service.signal(
1605
1527
attribute._dbus_signature)(new_function))
1713
1642
"se.bsnet.fukt.Mandos"})
1714
1643
class ClientDBus(Client, DBusObjectWithProperties):
1715
1644
"""A Client class using D-Bus
1718
1647
dbus_object_path: dbus.ObjectPath
1719
1648
bus: dbus.SystemBus()
1722
1651
runtime_expansions = (Client.runtime_expansions
1723
1652
+ ("dbus_object_path", ))
1725
1654
_interface = "se.recompile.Mandos.Client"
1727
1656
# dbus.service.Object doesn't use super(), so we can't either.
1729
def __init__(self, bus=None, *args, **kwargs):
1658
def __init__(self, bus = None, *args, **kwargs):
1731
1660
Client.__init__(self, *args, **kwargs)
1732
1661
# Only now, when this client is initialized, can it show up on
1769
1698
dbus_value = transform_func(
1770
1699
type_func(value),
1771
variant_level=variant_level)
1700
variant_level = variant_level)
1772
1701
self.PropertyChanged(dbus.String(dbus_name),
1774
1703
self.PropertiesChanged(
1776
dbus.Dictionary({dbus.String(dbus_name):
1705
dbus.Dictionary({ dbus.String(dbus_name):
1779
1708
setattr(self, attrname, value)
1781
1710
return property(lambda self: getattr(self, attrname), setter)
1783
1712
expires = notifychangeproperty(datetime_to_dbus, "Expires")
1784
1713
approvals_pending = notifychangeproperty(dbus.Boolean,
1785
1714
"ApprovalPending",
1787
1716
enabled = notifychangeproperty(dbus.Boolean, "Enabled")
1788
1717
last_enabled = notifychangeproperty(datetime_to_dbus,
1790
1719
checker = notifychangeproperty(
1791
1720
dbus.Boolean, "CheckerRunning",
1792
type_func=lambda checker: checker is not None)
1721
type_func = lambda checker: checker is not None)
1793
1722
last_checked_ok = notifychangeproperty(datetime_to_dbus,
1794
1723
"LastCheckedOK")
1795
1724
last_checker_status = notifychangeproperty(dbus.Int16,
1800
1729
"ApprovedByDefault")
1801
1730
approval_delay = notifychangeproperty(
1802
1731
dbus.UInt64, "ApprovalDelay",
1803
type_func=lambda td: td.total_seconds() * 1000)
1732
type_func = lambda td: td.total_seconds() * 1000)
1804
1733
approval_duration = notifychangeproperty(
1805
1734
dbus.UInt64, "ApprovalDuration",
1806
type_func=lambda td: td.total_seconds() * 1000)
1735
type_func = lambda td: td.total_seconds() * 1000)
1807
1736
host = notifychangeproperty(dbus.String, "Host")
1808
1737
timeout = notifychangeproperty(
1809
1738
dbus.UInt64, "Timeout",
1810
type_func=lambda td: td.total_seconds() * 1000)
1739
type_func = lambda td: td.total_seconds() * 1000)
1811
1740
extended_timeout = notifychangeproperty(
1812
1741
dbus.UInt64, "ExtendedTimeout",
1813
type_func=lambda td: td.total_seconds() * 1000)
1742
type_func = lambda td: td.total_seconds() * 1000)
1814
1743
interval = notifychangeproperty(
1815
1744
dbus.UInt64, "Interval",
1816
type_func=lambda td: td.total_seconds() * 1000)
1745
type_func = lambda td: td.total_seconds() * 1000)
1817
1746
checker_command = notifychangeproperty(dbus.String, "Checker")
1818
1747
secret = notifychangeproperty(dbus.ByteArray, "Secret",
1819
1748
invalidate_only=True)
1821
1750
del notifychangeproperty
1823
1752
def __del__(self, *args, **kwargs):
1825
1754
self.remove_from_connection()
1860
1789
# Emit D-Bus signal
1861
1790
self.CheckerStarted(self.current_checker_command)
1864
1793
def _reset_approved(self):
1865
1794
self.approved = None
1868
1797
def approve(self, value=True):
1869
1798
self.approved = value
1870
GLib.timeout_add(int(self.approval_duration.total_seconds()
1871
* 1000), self._reset_approved)
1799
gobject.timeout_add(int(self.approval_duration.total_seconds()
1800
* 1000), self._reset_approved)
1872
1801
self.send_changedstate()
1874
# D-Bus methods, signals & properties
1803
## D-Bus methods, signals & properties
1880
1809
# CheckerCompleted - signal
1881
1810
@dbus.service.signal(_interface, signature="nxs")
1882
1811
def CheckerCompleted(self, exitcode, waitstatus, command):
1886
1815
# CheckerStarted - signal
1887
1816
@dbus.service.signal(_interface, signature="s")
1888
1817
def CheckerStarted(self, command):
1892
1821
# PropertyChanged - signal
1893
1822
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1894
1823
@dbus.service.signal(_interface, signature="sv")
1895
1824
def PropertyChanged(self, property, value):
1899
1828
# GotSecret - signal
1900
1829
@dbus.service.signal(_interface)
1901
1830
def GotSecret(self):
1904
1833
server to mandos-client
1908
1837
# Rejected - signal
1909
1838
@dbus.service.signal(_interface, signature="s")
1910
1839
def Rejected(self, reason):
1914
1843
# NeedApproval - signal
1915
1844
@dbus.service.signal(_interface, signature="tb")
1916
1845
def NeedApproval(self, timeout, default):
1918
1847
return self.need_approval()
1922
1851
# Approve - method
1923
1852
@dbus.service.method(_interface, in_signature="b")
1924
1853
def Approve(self, value):
1925
1854
self.approve(value)
1927
1856
# CheckedOK - method
1928
1857
@dbus.service.method(_interface)
1929
1858
def CheckedOK(self):
1930
1859
self.checked_ok()
1932
1861
# Enable - method
1933
1862
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1934
1863
@dbus.service.method(_interface)
1935
1864
def Enable(self):
1939
1868
# StartChecker - method
1940
1869
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1941
1870
@dbus.service.method(_interface)
1942
1871
def StartChecker(self):
1944
1873
self.start_checker()
1946
1875
# Disable - method
1947
1876
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1948
1877
@dbus.service.method(_interface)
1949
1878
def Disable(self):
1953
1882
# StopChecker - method
1954
1883
@dbus_annotations({"org.freedesktop.DBus.Deprecated": "true"})
1955
1884
@dbus.service.method(_interface)
1956
1885
def StopChecker(self):
1957
1886
self.stop_checker()
1961
1890
# ApprovalPending - property
1962
1891
@dbus_service_property(_interface, signature="b", access="read")
1963
1892
def ApprovalPending_dbus_property(self):
1964
1893
return dbus.Boolean(bool(self.approvals_pending))
1966
1895
# ApprovedByDefault - property
1967
1896
@dbus_service_property(_interface,
2048
1977
self.checked_ok()
2050
1979
return datetime_to_dbus(self.last_checked_ok)
2052
1981
# LastCheckerStatus - property
2053
1982
@dbus_service_property(_interface, signature="n", access="read")
2054
1983
def LastCheckerStatus_dbus_property(self):
2055
1984
return dbus.Int16(self.last_checker_status)
2057
1986
# Expires - property
2058
1987
@dbus_service_property(_interface, signature="s", access="read")
2059
1988
def Expires_dbus_property(self):
2060
1989
return datetime_to_dbus(self.expires)
2062
1991
# LastApprovalRequest - property
2063
1992
@dbus_service_property(_interface, signature="s", access="read")
2064
1993
def LastApprovalRequest_dbus_property(self):
2065
1994
return datetime_to_dbus(self.last_approval_request)
2067
1996
# Timeout - property
2068
1997
@dbus_service_property(_interface,
2190
2119
class ClientHandler(socketserver.BaseRequestHandler, object):
2191
2120
"""A class to handle client connections.
2193
2122
Instantiated once for each connection to handle it.
2194
2123
Note: This will run in its own forked process."""
2196
2125
def handle(self):
2197
2126
with contextlib.closing(self.server.child_pipe) as child_pipe:
2198
2127
logger.info("TCP connection from: %s",
2199
2128
str(self.client_address))
2200
2129
logger.debug("Pipe FD: %d",
2201
2130
self.server.child_pipe.fileno())
2203
2132
session = gnutls.ClientSession(self.request)
2205
# priority = ':'.join(("NONE", "+VERS-TLS1.1",
2206
# "+AES-256-CBC", "+SHA1",
2207
# "+COMP-NULL", "+CTYPE-OPENPGP",
2134
#priority = ':'.join(("NONE", "+VERS-TLS1.1",
2135
# "+AES-256-CBC", "+SHA1",
2136
# "+COMP-NULL", "+CTYPE-OPENPGP",
2209
2138
# Use a fallback default, since this MUST be set.
2210
2139
priority = self.server.gnutls_priority
2211
2140
if priority is None:
2212
2141
priority = "NORMAL"
2213
gnutls.priority_set_direct(session._c_object,
2214
priority.encode("utf-8"),
2142
gnutls.priority_set_direct(session._c_object, priority,
2217
2145
# Start communication using the Mandos protocol
2218
2146
# Get protocol number
2219
2147
line = self.request.makefile().readline()
2384
2312
class MultiprocessingMixIn(object):
2385
2313
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2387
2315
def sub_process_main(self, request, address):
2389
2317
self.finish_request(request, address)
2390
2318
except Exception:
2391
2319
self.handle_error(request, address)
2392
2320
self.close_request(request)
2394
2322
def process_request(self, request, address):
2395
2323
"""Start a new process to process the request."""
2396
proc = multiprocessing.Process(target=self.sub_process_main,
2397
args=(request, address))
2324
proc = multiprocessing.Process(target = self.sub_process_main,
2325
args = (request, address))
2402
2330
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2403
2331
""" adds a pipe to the MixIn """
2405
2333
def process_request(self, request, client_address):
2406
2334
"""Overrides and wraps the original process_request().
2408
2336
This function creates a new pipe in self.pipe
2410
2338
parent_pipe, self.child_pipe = multiprocessing.Pipe()
2412
2340
proc = MultiprocessingMixIn.process_request(self, request,
2413
2341
client_address)
2414
2342
self.child_pipe.close()
2415
2343
self.add_pipe(parent_pipe, proc)
2417
2345
def add_pipe(self, parent_pipe, proc):
2418
2346
"""Dummy function; override as necessary"""
2419
2347
raise NotImplementedError()
2468
2395
# socket_wrapper(), if socketfd was set.
2469
2396
socketserver.TCPServer.__init__(self, server_address,
2470
2397
RequestHandlerClass)
2472
2399
def server_bind(self):
2473
2400
"""This overrides the normal server_bind() function
2474
2401
to bind to an interface if one was specified, and also NOT to
2475
2402
bind to an address or port if they were not specified."""
2476
global SO_BINDTODEVICE
2477
2403
if self.interface is not None:
2478
2404
if SO_BINDTODEVICE is None:
2479
# Fall back to a hard-coded value which seems to be
2481
logger.warning("SO_BINDTODEVICE not found, trying 25")
2482
SO_BINDTODEVICE = 25
2484
self.socket.setsockopt(
2485
socket.SOL_SOCKET, SO_BINDTODEVICE,
2486
(self.interface + "\0").encode("utf-8"))
2487
except socket.error as error:
2488
if error.errno == errno.EPERM:
2489
logger.error("No permission to bind to"
2490
" interface %s", self.interface)
2491
elif error.errno == errno.ENOPROTOOPT:
2492
logger.error("SO_BINDTODEVICE not available;"
2493
" cannot bind to interface %s",
2495
elif error.errno == errno.ENODEV:
2496
logger.error("Interface %s does not exist,"
2497
" cannot bind", self.interface)
2405
logger.error("SO_BINDTODEVICE does not exist;"
2406
" cannot bind to interface %s",
2410
self.socket.setsockopt(
2411
socket.SOL_SOCKET, SO_BINDTODEVICE,
2412
(self.interface + "\0").encode("utf-8"))
2413
except socket.error as error:
2414
if error.errno == errno.EPERM:
2415
logger.error("No permission to bind to"
2416
" interface %s", self.interface)
2417
elif error.errno == errno.ENOPROTOOPT:
2418
logger.error("SO_BINDTODEVICE not available;"
2419
" cannot bind to interface %s",
2421
elif error.errno == errno.ENODEV:
2422
logger.error("Interface %s does not exist,"
2423
" cannot bind", self.interface)
2500
2426
# Only bind(2) the socket if we really need to.
2501
2427
if self.server_address[0] or self.server_address[1]:
2502
2428
if not self.server_address[0]:
2503
2429
if self.address_family == socket.AF_INET6:
2504
any_address = "::" # in6addr_any
2430
any_address = "::" # in6addr_any
2506
any_address = "0.0.0.0" # INADDR_ANY
2432
any_address = "0.0.0.0" # INADDR_ANY
2507
2433
self.server_address = (any_address,
2508
2434
self.server_address[1])
2509
2435
elif not self.server_address[1]:
2543
2469
self.gnutls_priority = gnutls_priority
2544
2470
IPv6_TCPServer.__init__(self, server_address,
2545
2471
RequestHandlerClass,
2546
interface=interface,
2472
interface = interface,
2473
use_ipv6 = use_ipv6,
2474
socketfd = socketfd)
2550
2476
def server_activate(self):
2551
2477
if self.enabled:
2552
2478
return socketserver.TCPServer.server_activate(self)
2554
2480
def enable(self):
2555
2481
self.enabled = True
2557
2483
def add_pipe(self, parent_pipe, proc):
2558
2484
# Call "handle_ipc" for both data and EOF events
2485
gobject.io_add_watch(
2560
2486
parent_pipe.fileno(),
2561
GLib.IO_IN | GLib.IO_HUP,
2487
gobject.IO_IN | gobject.IO_HUP,
2562
2488
functools.partial(self.handle_ipc,
2563
parent_pipe=parent_pipe,
2489
parent_pipe = parent_pipe,
2566
2492
def handle_ipc(self, source, condition,
2567
2493
parent_pipe=None,
2569
2495
client_object=None):
2570
2496
# error, or the other end of multiprocessing.Pipe has closed
2571
if condition & (GLib.IO_ERR | GLib.IO_HUP):
2497
if condition & (gobject.IO_ERR | gobject.IO_HUP):
2572
2498
# Wait for other process to exit
2576
2502
# Read a request from the child
2577
2503
request = parent_pipe.recv()
2578
2504
command = request[0]
2580
2506
if command == 'init':
2581
2507
fpr = request[1]
2582
2508
address = request[2]
2584
for c in self.clients.values():
2510
for c in self.clients.itervalues():
2585
2511
if c.fingerprint == fpr:
2650
2576
>>> rfc3339_duration_to_delta("P1DT3M20S")
2651
2577
datetime.timedelta(1, 200)
2654
2580
# Parsing an RFC 3339 duration with regular expressions is not
2655
2581
# possible - there would have to be multiple places for the same
2656
2582
# values, like seconds. The current code, while more esoteric, is
2657
2583
# cleaner without depending on a parsing library. If Python had a
2658
2584
# built-in library for parsing we would use it, but we'd like to
2659
2585
# avoid excessive use of external libraries.
2661
2587
# New type for defining tokens, syntax, and semantics all-in-one
2662
2588
Token = collections.namedtuple("Token", (
2663
2589
"regexp", # To match token; if "value" is not None, must have
2850
2773
parser.add_argument("--no-zeroconf", action="store_false",
2851
2774
dest="zeroconf", help="Do not use Zeroconf",
2854
2777
options = parser.parse_args()
2856
2779
if options.check:
2858
2781
fail_count, test_count = doctest.testmod()
2859
2782
sys.exit(os.EX_OK if fail_count == 0 else 1)
2861
2784
# Default values for config file for server-global settings
2862
server_defaults = {"interface": "",
2867
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2868
":+SIGN-DSA-SHA256",
2869
"servicename": "Mandos",
2875
"statedir": "/var/lib/mandos",
2876
"foreground": "False",
2785
server_defaults = { "interface": "",
2790
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2791
":+SIGN-DSA-SHA256",
2792
"servicename": "Mandos",
2798
"statedir": "/var/lib/mandos",
2799
"foreground": "False",
2880
2803
# Parse config file for server-global settings
2881
2804
server_config = configparser.SafeConfigParser(server_defaults)
2882
2805
del server_defaults
3008
logger.debug("Did setuid/setgid to {}:{}".format(uid,
3010
2927
except OSError as error:
3011
logger.warning("Failed to setuid/setgid to {}:{}: {}"
3012
.format(uid, gid, os.strerror(error.errno)))
3013
2928
if error.errno != errno.EPERM:
3017
2932
# Enable all possible GnuTLS debugging
3019
2934
# "Use a log level over 10 to enable all debugging options."
3020
2935
# - GnuTLS manual
3021
2936
gnutls.global_set_log_level(11)
3023
2938
@gnutls.log_func
3024
2939
def debug_gnutls(level, string):
3025
2940
logger.debug("GnuTLS: %s", string[:-1])
3027
2942
gnutls.global_set_log_function(debug_gnutls)
3029
2944
# Redirect stdin so all checkers get /dev/null
3030
2945
null = os.open(os.devnull, os.O_NOCTTY | os.O_RDWR)
3031
2946
os.dup2(null, sys.stdin.fileno())
3035
2950
# Need to fork before connecting to D-Bus
3036
2951
if not foreground:
3037
2952
# Close all input and output, do double fork, etc.
3040
# multiprocessing will use threads, so before we use GLib we need
3041
# to inform GLib that threads will be used.
2955
# multiprocessing will use threads, so before we use gobject we
2956
# need to inform gobject that threads will be used.
2957
gobject.threads_init()
3044
2959
global main_loop
3045
2960
# From the Avahi example code
3046
2961
DBusGMainLoop(set_as_default=True)
3047
main_loop = GLib.MainLoop()
2962
main_loop = gobject.MainLoop()
3048
2963
bus = dbus.SystemBus()
3049
2964
# End of Avahi example code
3064
2979
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
3065
2980
service = AvahiServiceToSyslog(
3066
name=server_settings["servicename"],
3067
servicetype="_mandos._tcp",
2981
name = server_settings["servicename"],
2982
servicetype = "_mandos._tcp",
2983
protocol = protocol,
3070
2985
if server_settings["interface"]:
3071
2986
service.interface = if_nametoindex(
3072
2987
server_settings["interface"].encode("utf-8"))
3074
2989
global multiprocessing_manager
3075
2990
multiprocessing_manager = multiprocessing.Manager()
3077
2992
client_class = Client
3079
client_class = functools.partial(ClientDBus, bus=bus)
2994
client_class = functools.partial(ClientDBus, bus = bus)
3081
2996
client_settings = Client.config_parser(client_config)
3082
2997
old_client_settings = {}
3083
2998
clients_data = {}
3085
3000
# This is used to redirect stdout and stderr for checker processes
3087
wnull = open(os.devnull, "w") # A writable /dev/null
3002
wnull = open(os.devnull, "w") # A writable /dev/null
3088
3003
# Only used if server is running in foreground but not in debug
3090
3005
if debug or not foreground:
3093
3008
# Get client data and settings from last running state.
3094
3009
if server_settings["restore"]:
3096
3011
with open(stored_state_path, "rb") as stored_state:
3097
if sys.version_info.major == 2:
3098
clients_data, old_client_settings = pickle.load(
3101
bytes_clients_data, bytes_old_client_settings = (
3102
pickle.load(stored_state, encoding="bytes"))
3103
# Fix bytes to strings
3106
clients_data = {(key.decode("utf-8")
3107
if isinstance(key, bytes)
3110
bytes_clients_data.items()}
3111
del bytes_clients_data
3112
for key in clients_data:
3113
value = {(k.decode("utf-8")
3114
if isinstance(k, bytes) else k): v
3116
clients_data[key].items()}
3117
clients_data[key] = value
3119
value["client_structure"] = [
3121
if isinstance(s, bytes)
3123
value["client_structure"]]
3125
for k in ("name", "host"):
3126
if isinstance(value[k], bytes):
3127
value[k] = value[k].decode("utf-8")
3128
# old_client_settings
3130
old_client_settings = {
3131
(key.decode("utf-8")
3132
if isinstance(key, bytes)
3135
bytes_old_client_settings.items()}
3136
del bytes_old_client_settings
3138
for value in old_client_settings.values():
3139
if isinstance(value["host"], bytes):
3140
value["host"] = (value["host"]
3012
clients_data, old_client_settings = pickle.load(
3142
3014
os.remove(stored_state_path)
3143
3015
except IOError as e:
3144
3016
if e.errno == errno.ENOENT:
3244
3116
pidfilename, pid)
3246
3118
del pidfilename
3248
for termsig in (signal.SIGHUP, signal.SIGTERM):
3249
GLib.unix_signal_add(GLib.PRIORITY_HIGH, termsig,
3250
lambda: main_loop.quit() and False)
3120
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
3121
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
3254
3125
@alternate_dbus_interfaces(
3255
{"se.recompile.Mandos": "se.bsnet.fukt.Mandos"})
3126
{ "se.recompile.Mandos": "se.bsnet.fukt.Mandos" })
3256
3127
class MandosDBusService(DBusObjectWithObjectManager):
3257
3128
"""A D-Bus proxy object"""
3259
3130
def __init__(self):
3260
3131
dbus.service.Object.__init__(self, bus, "/")
3262
3133
_interface = "se.recompile.Mandos"
3264
3135
@dbus.service.signal(_interface, signature="o")
3265
3136
def ClientAdded(self, objpath):
3269
3140
@dbus.service.signal(_interface, signature="ss")
3270
3141
def ClientNotFound(self, fingerprint, address):
3274
3145
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3276
3147
@dbus.service.signal(_interface, signature="os")
3277
3148
def ClientRemoved(self, objpath, name):
3281
3152
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3283
3154
@dbus.service.method(_interface, out_signature="ao")
3284
3155
def GetAllClients(self):
3286
3157
return dbus.Array(c.dbus_object_path for c in
3287
tcp_server.clients.values())
3158
tcp_server.clients.itervalues())
3289
3160
@dbus_annotations({"org.freedesktop.DBus.Deprecated":
3291
3162
@dbus.service.method(_interface,
3311
3182
self.client_removed_signal(c)
3313
3184
raise KeyError(object_path)
3317
3188
@dbus.service.method(dbus.OBJECT_MANAGER_IFACE,
3318
out_signature="a{oa{sa{sv}}}")
3189
out_signature = "a{oa{sa{sv}}}")
3319
3190
def GetManagedObjects(self):
3320
3191
"""D-Bus method"""
3321
3192
return dbus.Dictionary(
3322
{client.dbus_object_path:
3324
{interface: client.GetAll(interface)
3326
client._get_all_interface_names()})
3327
for client in tcp_server.clients.values()})
3193
{ client.dbus_object_path:
3195
{ interface: client.GetAll(interface)
3197
client._get_all_interface_names()})
3198
for client in tcp_server.clients.values()})
3329
3200
def client_added_signal(self, client):
3330
3201
"""Send the new standard signal and the old signal"""
3350
3221
self.ClientRemoved(client.dbus_object_path,
3353
3224
mandos_dbus_service = MandosDBusService()
3355
# Save modules to variables to exempt the modules from being
3356
# unloaded before the function registered with atexit() is run.
3357
mp = multiprocessing
3361
3227
"Cleanup function; run on exit"
3363
3229
service.cleanup()
3365
mp.active_children()
3231
multiprocessing.active_children()
3367
3233
if not (tcp_server.clients or client_settings):
3370
3236
# Store client before exiting. Secrets are encrypted with key
3371
3237
# based on what config file has. If config file is
3372
3238
# removed/edited, old secret will thus be unrecovable.
3374
3240
with PGPEngine() as pgp:
3375
for client in tcp_server.clients.values():
3241
for client in tcp_server.clients.itervalues():
3376
3242
key = client_settings[client.name]["secret"]
3377
3243
client.encrypted_secret = pgp.encrypt(client.secret,
3379
3245
client_dict = {}
3381
3247
# A list of attributes that can not be pickled
3383
exclude = {"bus", "changedstate", "secret",
3384
"checker", "server_settings"}
3249
exclude = { "bus", "changedstate", "secret",
3250
"checker", "server_settings" }
3385
3251
for name, typ in inspect.getmembers(dbus.service
3387
3253
exclude.add(name)
3389
3255
client_dict["encrypted_secret"] = (client
3390
3256
.encrypted_secret)
3391
3257
for attr in client.client_structure:
3392
3258
if attr not in exclude:
3393
3259
client_dict[attr] = getattr(client, attr)
3395
3261
clients[client.name] = client_dict
3396
3262
del client_settings[client.name]["secret"]
3399
3265
with tempfile.NamedTemporaryFile(