/mandos/trunk : revision 1215

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#!/usr/bin/python3 -bI

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# -*- coding: utf-8; lexical-binding: t -*-

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# -*- mode: python; after-save-hook: (lambda () (let ((command (if (fboundp 'file-local-name) (file-local-name (buffer-file-name)) (or (file-remote-p (buffer-file-name) 'localname) (buffer-file-name))))) (if (= (progn (if (get-buffer "*Test*") (kill-buffer "*Test*")) (process-file-shell-command (format "%s --check" (shell-quote-argument command)) nil "*Test*")) 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w))) (progn (with-current-buffer "*Test*" (compilation-mode)) (display-buffer "*Test*" '(display-buffer-in-side-window)))))); coding: utf-8 -*-

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#

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

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#

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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 file is part of Mandos.

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#

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#

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# Contact the authors at <mandos@recompile.se>.

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#

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from __future__ import (division, absolute_import, print_function,

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unicode_literals)

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39

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except ImportError:

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pass

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import sys

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import unittest

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import argparse

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import logging

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import os

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try:

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import SocketServer as socketserver

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except ImportError:

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import socketserver

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import socket

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import argparse

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import datetime

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import errno

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try:

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import ConfigParser as configparser

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except ImportError:

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import configparser

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import sys

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import re

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import os

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import signal

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import subprocess

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import atexit

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import stat

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import logging

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import logging.handlers

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import pwd

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import contextlib

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import itertools

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import collections

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import codecs

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import unittest

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import random

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import shlex

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if sys.version_info.major == 2:

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__metaclass__ = type

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str = unicode

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input = raw_input

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# Add collections.abc.Callable if it does not exist

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try:

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if sys.version_info < (3, 2):

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configparser.Configparser = configparser.SafeConfigParser

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version = "1.8.15"

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version = "1.8.11"

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stored_state_file = "clients.pickle"

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log = logging.getLogger(os.path.basename(sys.argv[0]))

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logger = logging.getLogger()

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logging.captureWarnings(True) # Show warnings via the logging system

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syslogger = None

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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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" %(message)s"))

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log.addHandler(syslogger)

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('Mandos [%(process)d]: %(levelname)s:'

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' %(message)s'))

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logger.addHandler(syslogger)

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if debug:

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console = logging.StreamHandler()

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console.setFormatter(logging.Formatter("%(asctime)s %(name)s"

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" [%(process)d]:"

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" %(levelname)s:"

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" %(message)s"))

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log.addHandler(console)

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log.setLevel(level)

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console.setFormatter(logging.Formatter('%(asctime)s %(name)s'

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' [%(process)d]:'

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' %(levelname)s:'

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' %(message)s'))

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logger.addHandler(console)

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logger.setLevel(level)

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class PGPError(Exception):

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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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"--force-mdc",

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"--quiet"]

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self.gnupgargs = ['--batch',

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'--homedir', self.tempdir,

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'--force-mdc',

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'--quiet']

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# Only GPG version 1 has the --no-use-agent option.

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if self.gpg == b"gpg" or self.gpg.endswith(b"/gpg"):

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self.gnupgargs.append("--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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"--passphrase-file",

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

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'--passphrase-file',

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passfile.name]

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+ self.gnupgargs,

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stdin=subprocess.PIPE,

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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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"--passphrase-file",

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

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'--passphrase-file',

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passfile.name]

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+ self.gnupgargs,

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stdin=subprocess.PIPE,

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Attributes:

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interface: integer; avahi.IF_UNSPEC or an interface index.

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Used to optionally bind to the specified interface.

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name: string; Example: "Mandos"

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type: string; Example: "_mandos._tcp".

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name: string; Example: 'Mandos'

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type: string; Example: '_mandos._tcp'.

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See <https://www.iana.org/assignments/service-names-port-numbers>

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port: integer; what port to announce

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TXT: list of strings; TXT record for the service

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def rename(self, remove=True):

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"""Derived from the Avahi example code"""

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if self.rename_count >= self.max_renames:

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log.critical("No suitable Zeroconf service name found"

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" after %i retries, exiting.",

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self.rename_count)

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logger.critical("No suitable Zeroconf service name found"

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" after %i retries, exiting.",

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self.rename_count)

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raise AvahiServiceError("Too many renames")

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self.name = str(

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self.server.GetAlternativeServiceName(self.name))

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self.rename_count += 1

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log.info("Changing Zeroconf service name to %r ...",

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self.name)

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logger.info("Changing Zeroconf service name to %r ...",

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self.name)

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if remove:

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self.remove()

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try:

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except dbus.exceptions.DBusException as error:

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if (error.get_dbus_name()

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== "org.freedesktop.Avahi.CollisionError"):

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log.info("Local Zeroconf service name collision.")

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logger.info("Local Zeroconf service name collision.")

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return self.rename(remove=False)

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else:

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log.critical("D-Bus Exception", exc_info=error)

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logger.critical("D-Bus Exception", exc_info=error)

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self.cleanup()

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os._exit(1)

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435

avahi.DBUS_INTERFACE_ENTRY_GROUP)

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self.entry_group_state_changed_match = (

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self.group.connect_to_signal(

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"StateChanged", self.entry_group_state_changed))

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log.debug("Adding Zeroconf service '%s' of type '%s' ...",

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self.name, self.type)

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'StateChanged', self.entry_group_state_changed))

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logger.debug("Adding Zeroconf service '%s' of type '%s' ...",

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self.name, self.type)

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self.group.AddService(

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self.interface,

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self.protocol,

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def entry_group_state_changed(self, state, error):

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"""Derived from the Avahi example code"""

453

log.debug("Avahi entry group state change: %i", state)

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logger.debug("Avahi entry group state change: %i", state)

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455

if state == avahi.ENTRY_GROUP_ESTABLISHED:

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log.debug("Zeroconf service established.")

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logger.debug("Zeroconf service established.")

457

elif state == avahi.ENTRY_GROUP_COLLISION:

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log.info("Zeroconf service name collision.")

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logger.info("Zeroconf service name collision.")

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self.rename()

460

elif state == avahi.ENTRY_GROUP_FAILURE:

461

log.critical("Avahi: Error in group state changed %s",

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str(error))

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logger.critical("Avahi: Error in group state changed %s",

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str(error))

463

raise AvahiGroupError("State changed: {!s}".format(error))

464

465

def cleanup(self):

475

476

def server_state_changed(self, state, error=None):

477

"""Derived from the Avahi example code"""

478

log.debug("Avahi server state change: %i", state)

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logger.debug("Avahi server state change: %i", state)

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bad_states = {

480

avahi.SERVER_INVALID: "Zeroconf server invalid",

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avahi.SERVER_REGISTERING: None,

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if state in bad_states:

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if bad_states[state] is not None:

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if error is None:

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log.error(bad_states[state])

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logger.error(bad_states[state])

489

else:

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log.error(bad_states[state] + ": %r", error)

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logger.error(bad_states[state] + ": %r", error)

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self.cleanup()

492

elif state == avahi.SERVER_RUNNING:

493

try:

495

except dbus.exceptions.DBusException as error:

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if (error.get_dbus_name()

497

== "org.freedesktop.Avahi.CollisionError"):

498

log.info("Local Zeroconf service name collision.")

498

logger.info("Local Zeroconf service name"

499

" collision.")

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return self.rename(remove=False)

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501

else:

501

log.critical("D-Bus Exception", exc_info=error)

502

logger.critical("D-Bus Exception", exc_info=error)

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self.cleanup()

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os._exit(1)

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else:

505

506

if error is None:

506

log.debug("Unknown state: %r", state)

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logger.debug("Unknown state: %r", state)

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508

else:

508

log.debug("Unknown state: %r: %r", state, error)

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logger.debug("Unknown state: %r: %r", state, error)

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def activate(self):

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"""Derived from the Avahi example code"""

523

524

class AvahiServiceToSyslog(AvahiService):

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def rename(self, *args, **kwargs):

525

526

"""Add the new name to the syslog messages"""

526

ret = super(AvahiServiceToSyslog, self).rename(*args,

527

**kwargs)

527

ret = super(AvahiServiceToSyslog, self).rename(*args, **kwargs)

528

syslogger.setFormatter(logging.Formatter(

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"Mandos ({}) [%(process)d]: %(levelname)s: %(message)s"

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'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'

530

.format(self.name)))

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return ret

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562

OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h

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564

# Types

565

class _session_int(ctypes.Structure):

565

class session_int(ctypes.Structure):

566

_fields_ = []

567

session_t = ctypes.POINTER(_session_int)

567

session_t = ctypes.POINTER(session_int)

568

569

class certificate_credentials_st(ctypes.Structure):

570

_fields_ = []

573

certificate_type_t = ctypes.c_int

574

575

class datum_t(ctypes.Structure):

576

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

577

("size", ctypes.c_uint)]

576

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

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('size', ctypes.c_uint)]

578

579

class _openpgp_crt_int(ctypes.Structure):

579

class openpgp_crt_int(ctypes.Structure):

580

_fields_ = []

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openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)

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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

593

# gnutls.strerror()

594

self.code = code

595

if message is None and code is not None:

596

message = gnutls.strerror(code).decode(

597

"utf-8", errors="replace")

596

message = gnutls.strerror(code)

598

597

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

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598

message, *args)

600

599

601

600

class CertificateSecurityError(Error):

602

601

pass

603

602

604

class PointerTo:

605

def __init__(self, cls):

606

self.cls = cls

607

608

def from_param(self, obj):

609

if not isinstance(obj, self.cls):

610

raise TypeError("Not of type {}: {!r}"

611

.format(self.cls.__name__, obj))

612

return ctypes.byref(obj.from_param(obj))

613

614

class CastToVoidPointer:

615

def __init__(self, cls):

616

self.cls = cls

617

618

def from_param(self, obj):

619

if not isinstance(obj, self.cls):

620

raise TypeError("Not of type {}: {!r}"

621

.format(self.cls.__name__, obj))

622

return ctypes.cast(obj.from_param(obj), ctypes.c_void_p)

623

624

class With_from_param:

625

@classmethod

626

def from_param(cls, obj):

627

return obj._as_parameter_

628

629

603

# Classes

630

class Credentials(With_from_param):

604

class Credentials:

631

605

def __init__(self):

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

606

self._c_object = gnutls.certificate_credentials_t()

607

gnutls.certificate_allocate_credentials(

608

ctypes.byref(self._c_object))

634

609

self.type = gnutls.CRD_CERTIFICATE

635

610

636

611

def __del__(self):

637

gnutls.certificate_free_credentials(self)

612

gnutls.certificate_free_credentials(self._c_object)

638

613

639

class ClientSession(With_from_param):

614

class ClientSession:

640

615

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

641

self._as_parameter_ = gnutls.session_t()

616

self._c_object = gnutls.session_t()

642

617

gnutls_flags = gnutls.CLIENT

643

618

if gnutls.check_version(b"3.5.6"):

644

619

gnutls_flags |= gnutls.NO_TICKETS

645

620

if gnutls.has_rawpk:

646

621

gnutls_flags |= gnutls.ENABLE_RAWPK

647

gnutls.init(self, gnutls_flags)

622

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

648

623

del gnutls_flags

649

gnutls.set_default_priority(self)

650

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

651

gnutls.handshake_set_private_extensions(self, True)

624

gnutls.set_default_priority(self._c_object)

625

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

626

gnutls.handshake_set_private_extensions(self._c_object,

627

True)

652

628

self.socket = socket

653

629

if credentials is None:

654

630

credentials = gnutls.Credentials()

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

631

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

632

ctypes.cast(credentials._c_object,

633

ctypes.c_void_p))

657

634

self.credentials = credentials

658

635

659

636

def __del__(self):

660

gnutls.deinit(self)

637

gnutls.deinit(self._c_object)

661

638

662

639

def handshake(self):

663

return gnutls.handshake(self)

640

return gnutls.handshake(self._c_object)

664

641

665

642

def send(self, data):

666

643

data = bytes(data)

667

644

data_len = len(data)

668

645

while data_len > 0:

669

data_len -= gnutls.record_send(self, data[-data_len:],

646

data_len -= gnutls.record_send(self._c_object,

647

data[-data_len:],

670

648

data_len)

671

649

672

650

def bye(self):

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

651

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

674

652

675

653

# Error handling functions

676

654

def _error_code(result):

677

655

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

678

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

679

if result >= gnutls.E_SUCCESS:

656

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

657

if result >= 0:

680

658

return result

681

659

if result == gnutls.E_NO_CERTIFICATE_FOUND:

682

660

raise gnutls.CertificateSecurityError(code=result)

683

661

raise gnutls.Error(code=result)

684

662

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

663

def _retry_on_error(result, func, arguments):

687

664

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

688

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

689

while result < gnutls.E_SUCCESS:

665

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

666

while result < 0:

690

667

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

691

668

return _error_code(result)

692

669

result = func(*arguments)

697

674

698

675

# Functions

699

676

priority_set_direct = _library.gnutls_priority_set_direct

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

677

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

701

678

ctypes.POINTER(ctypes.c_char_p)]

702

679

priority_set_direct.restype = _error_code

703

680

704

681

init = _library.gnutls_init

705

init.argtypes = [PointerTo(ClientSession), ctypes.c_int]

682

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

706

683

init.restype = _error_code

707

684

708

685

set_default_priority = _library.gnutls_set_default_priority

709

set_default_priority.argtypes = [ClientSession]

686

set_default_priority.argtypes = [session_t]

710

687

set_default_priority.restype = _error_code

711

688

712

689

record_send = _library.gnutls_record_send

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

690

record_send.argtypes = [session_t, ctypes.c_void_p,

714

691

ctypes.c_size_t]

715

692

record_send.restype = ctypes.c_ssize_t

716

693

record_send.errcheck = _retry_on_error

718

695

certificate_allocate_credentials = (

719

696

_library.gnutls_certificate_allocate_credentials)

720

697

certificate_allocate_credentials.argtypes = [

721

PointerTo(Credentials)]

698

ctypes.POINTER(certificate_credentials_t)]

722

699

certificate_allocate_credentials.restype = _error_code

723

700

724

701

certificate_free_credentials = (

725

702

_library.gnutls_certificate_free_credentials)

726

certificate_free_credentials.argtypes = [Credentials]

703

certificate_free_credentials.argtypes = [

704

certificate_credentials_t]

727

705

certificate_free_credentials.restype = None

728

706

729

707

handshake_set_private_extensions = (

730

708

_library.gnutls_handshake_set_private_extensions)

731

handshake_set_private_extensions.argtypes = [ClientSession,

709

handshake_set_private_extensions.argtypes = [session_t,

732

710

ctypes.c_int]

733

711

handshake_set_private_extensions.restype = None

734

712

735

713

credentials_set = _library.gnutls_credentials_set

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

714

credentials_set.argtypes = [session_t, credentials_type_t,

715

ctypes.c_void_p]

738

716

credentials_set.restype = _error_code

739

717

740

718

strerror = _library.gnutls_strerror

742

720

strerror.restype = ctypes.c_char_p

743

721

744

722

certificate_type_get = _library.gnutls_certificate_type_get

745

certificate_type_get.argtypes = [ClientSession]

723

certificate_type_get.argtypes = [session_t]

746

724

certificate_type_get.restype = _error_code

747

725

748

726

certificate_get_peers = _library.gnutls_certificate_get_peers

749

certificate_get_peers.argtypes = [ClientSession,

727

certificate_get_peers.argtypes = [session_t,

750

728

ctypes.POINTER(ctypes.c_uint)]

751

729

certificate_get_peers.restype = ctypes.POINTER(datum_t)

752

730

759

737

global_set_log_function.restype = None

760

738

761

739

deinit = _library.gnutls_deinit

762

deinit.argtypes = [ClientSession]

740

deinit.argtypes = [session_t]

763

741

deinit.restype = None

764

742

765

743

handshake = _library.gnutls_handshake

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

744

handshake.argtypes = [session_t]

745

handshake.restype = _error_code

768

746

handshake.errcheck = _retry_on_error

769

747

770

748

transport_set_ptr = _library.gnutls_transport_set_ptr

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

749

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

772

750

transport_set_ptr.restype = None

773

751

774

752

bye = _library.gnutls_bye

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

753

bye.argtypes = [session_t, close_request_t]

754

bye.restype = _error_code

777

755

bye.errcheck = _retry_on_error

778

756

779

757

check_version = _library.gnutls_check_version

796

774

797

775

x509_crt_fmt_t = ctypes.c_int

798

776

799

# All the function declarations below are from

800

# gnutls/abstract.h

777

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

801

778

pubkey_init = _library.gnutls_pubkey_init

802

779

pubkey_init.argtypes = [ctypes.POINTER(pubkey_t)]

803

780

pubkey_init.restype = _error_code

817

794

pubkey_deinit.argtypes = [pubkey_t]

818

795

pubkey_deinit.restype = None

819

796

else:

820

# All the function declarations below are from

821

# gnutls/openpgp.h

797

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

822

798

823

799

openpgp_crt_init = _library.gnutls_openpgp_crt_init

824

800

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

830

806

openpgp_crt_fmt_t]

831

807

openpgp_crt_import.restype = _error_code

832

808

833

openpgp_crt_verify_self = \

834

_library.gnutls_openpgp_crt_verify_self

835

openpgp_crt_verify_self.argtypes = [

836

openpgp_crt_t,

837

ctypes.c_uint,

838

ctypes.POINTER(ctypes.c_uint),

839

]

809

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

810

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

811

ctypes.POINTER(ctypes.c_uint)]

840

812

openpgp_crt_verify_self.restype = _error_code

841

813

842

814

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

853

825

854

826

if check_version(b"3.6.4"):

855

827

certificate_type_get2 = _library.gnutls_certificate_type_get2

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

828

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

857

829

certificate_type_get2.restype = _error_code

858

830

859

831

# Remove non-public functions

875

847

"""A representation of a client host served by this server.

876

848

877

849

Attributes:

878

approved: bool(); None if not yet approved/disapproved

850

approved: bool(); 'None' if not yet approved/disapproved

879

851

approval_delay: datetime.timedelta(); Time to wait for approval

880

852

approval_duration: datetime.timedelta(); Duration of one approval

881

853

checker: multiprocessing.Process(); a running checker process used

882

to see if the client lives. None if no process is

854

to see if the client lives. 'None' if no process is

883

855

running.

884

856

checker_callback_tag: a GLib event source tag, or None

885

857

checker_command: string; External command which is run to check

1009

981

self.last_enabled = None

1010

982

self.expires = None

1011

983

1012

log.debug("Creating client %r", self.name)

1013

log.debug(" Key ID: %s", self.key_id)

1014

log.debug(" Fingerprint: %s", self.fingerprint)

984

logger.debug("Creating client %r", self.name)

985

logger.debug(" Key ID: %s", self.key_id)

986

logger.debug(" Fingerprint: %s", self.fingerprint)

1015

987

self.created = settings.get("created",

1016

988

datetime.datetime.utcnow())

1017

989

1056

1028

if not getattr(self, "enabled", False):

1057

1029

return False

1058

1030

if not quiet:

1059

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

1031

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

1060

1032

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

1061

1033

GLib.source_remove(self.disable_initiator_tag)

1062

1034

self.disable_initiator_tag = None

1106

1078

self.last_checker_status = returncode

1107

1079

self.last_checker_signal = None

1108

1080

if self.last_checker_status == 0:

1109

log.info("Checker for %(name)s succeeded", vars(self))

1081

logger.info("Checker for %(name)s succeeded",

1082

vars(self))

1110

1083

self.checked_ok()

1111

1084

else:

1112

log.info("Checker for %(name)s failed", vars(self))

1085

logger.info("Checker for %(name)s failed", vars(self))

1113

1086

else:

1114

1087

self.last_checker_status = -1

1115

1088

self.last_checker_signal = -returncode

1116

log.warning("Checker for %(name)s crashed?", vars(self))

1089

logger.warning("Checker for %(name)s crashed?",

1090

vars(self))

1117

1091

return False

1118

1092

1119

1093

def checked_ok(self):

1153

1127

# should be.

1154

1128

1155

1129

if self.checker is not None and not self.checker.is_alive():

1156

log.warning("Checker was not alive; joining")

1130

logger.warning("Checker was not alive; joining")

1157

1131

self.checker.join()

1158

1132

self.checker = None

1159

1133

# Start a new checker if needed

1165

1139

try:

1166

1140

command = self.checker_command % escaped_attrs

1167

1141

except TypeError as error:

1168

log.error('Could not format string "%s"',

1169

self.checker_command, exc_info=error)

1142

logger.error('Could not format string "%s"',

1143

self.checker_command,

1144

exc_info=error)

1170

1145

return True # Try again later

1171

1146

self.current_checker_command = command

1172

log.info("Starting checker %r for %s", command, self.name)

1147

logger.info("Starting checker %r for %s", command,

1148

self.name)

1173

1149

# We don't need to redirect stdout and stderr, since

1174

1150

# in normal mode, that is already done by daemon(),

1175

1151

# and in debug mode we don't want to. (Stdin is

1204

1180

self.checker_callback_tag = None

1205

1181

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

1206

1182

return

1207

log.debug("Stopping checker for %(name)s", vars(self))

1183

logger.debug("Stopping checker for %(name)s", vars(self))

1208

1184

self.checker.terminate()

1209

1185

self.checker = None

1210

1186

1237

1213

func._dbus_name = func.__name__

1238

1214

if func._dbus_name.endswith("_dbus_property"):

1239

1215

func._dbus_name = func._dbus_name[:-14]

1240

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1216

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1241

1217

return func

1242

1218

1243

1219

return decorator

1332

1308

1333

1309

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1334

1310

out_signature="s",

1335

path_keyword="object_path",

1336

connection_keyword="connection")

1311

path_keyword='object_path',

1312

connection_keyword='connection')

1337

1313

def Introspect(self, object_path, connection):

1338

1314

"""Overloading of standard D-Bus method.

1339

1315

1388

1364

document.unlink()

1389

1365

except (AttributeError, xml.dom.DOMException,

1390

1366

xml.parsers.expat.ExpatError) as error:

1391

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

1392

exc_info=error)

1367

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

1368

exc_info=error)

1393

1369

return xmlstring

1394

1370

1395

1371

1492

1468

1493

1469

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1494

1470

out_signature="s",

1495

path_keyword="object_path",

1496

connection_keyword="connection")

1471

path_keyword='object_path',

1472

connection_keyword='connection')

1497

1473

def Introspect(self, object_path, connection):

1498

1474

"""Overloading of standard D-Bus method.

1499

1475

1555

1531

document.unlink()

1556

1532

except (AttributeError, xml.dom.DOMException,

1557

1533

xml.parsers.expat.ExpatError) as error:

1558

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

1559

exc_info=error)

1534

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

1535

exc_info=error)

1560

1536

return xmlstring

1561

1537

1562

1538

1594

1570

1595

1571

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1596

1572

out_signature="s",

1597

path_keyword="object_path",

1598

connection_keyword="connection")

1573

path_keyword='object_path',

1574

connection_keyword='connection')

1599

1575

def Introspect(self, object_path, connection):

1600

1576

"""Overloading of standard D-Bus method.

1601

1577

1626

1602

document.unlink()

1627

1603

except (AttributeError, xml.dom.DOMException,

1628

1604

xml.parsers.expat.ExpatError) as error:

1629

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

1630

exc_info=error)

1605

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

1606

exc_info=error)

1631

1607

return xmlstring

1632

1608

1633

1609

2267

2243

class ProxyClient:

2268

2244

def __init__(self, child_pipe, key_id, fpr, address):

2269

2245

self._pipe = child_pipe

2270

self._pipe.send(("init", key_id, fpr, address))

2246

self._pipe.send(('init', key_id, fpr, address))

2271

2247

if not self._pipe.recv():

2272

2248

raise KeyError(key_id or fpr)

2273

2249

2274

2250

def __getattribute__(self, name):

2275

if name == "_pipe":

2251

if name == '_pipe':

2276

2252

return super(ProxyClient, self).__getattribute__(name)

2277

self._pipe.send(("getattr", name))

2253

self._pipe.send(('getattr', name))

2278

2254

data = self._pipe.recv()

2279

if data[0] == "data":

2255

if data[0] == 'data':

2280

2256

return data[1]

2281

if data[0] == "function":

2257

if data[0] == 'function':

2282

2258

2283

2259

def func(*args, **kwargs):

2284

self._pipe.send(("funcall", name, args, kwargs))

2260

self._pipe.send(('funcall', name, args, kwargs))

2285

2261

return self._pipe.recv()[1]

2286

2262

2287

2263

return func

2288

2264

2289

2265

def __setattr__(self, name, value):

2290

if name == "_pipe":

2266

if name == '_pipe':

2291

2267

return super(ProxyClient, self).__setattr__(name, value)

2292

self._pipe.send(("setattr", name, value))

2268

self._pipe.send(('setattr', name, value))

2293

2269

2294

2270

2295

2271

class ClientHandler(socketserver.BaseRequestHandler, object):

2300

2276

2301

2277

def handle(self):

2302

2278

with contextlib.closing(self.server.child_pipe) as child_pipe:

2303

log.info("TCP connection from: %s",

2304

str(self.client_address))

2305

log.debug("Pipe FD: %d", self.server.child_pipe.fileno())

2279

logger.info("TCP connection from: %s",

2280

str(self.client_address))

2281

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

2282

self.server.child_pipe.fileno())

2306

2283

2307

2284

session = gnutls.ClientSession(self.request)

2308

2285

2309

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

2286

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

2310

2287

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

2311

2288

# "+COMP-NULL", "+CTYPE-OPENPGP",

2312

2289

# "+DHE-DSS"))

2314

2291

priority = self.server.gnutls_priority

2315

2292

if priority is None:

2316

2293

priority = "NORMAL"

2317

gnutls.priority_set_direct(session,

2318

priority.encode("utf-8"), None)

2294

gnutls.priority_set_direct(session._c_object,

2295

priority.encode("utf-8"),

2296

None)

2319

2297

2320

2298

# Start communication using the Mandos protocol

2321

2299

# Get protocol number

2322

2300

line = self.request.makefile().readline()

2323

log.debug("Protocol version: %r", line)

2301

logger.debug("Protocol version: %r", line)

2324

2302

try:

2325

2303

if int(line.strip().split()[0]) > 1:

2326

2304

raise RuntimeError(line)

2327

2305

except (ValueError, IndexError, RuntimeError) as error:

2328

log.error("Unknown protocol version: %s", error)

2306

logger.error("Unknown protocol version: %s", error)

2329

2307

return

2330

2308

2331

2309

# Start GnuTLS connection

2332

2310

try:

2333

2311

session.handshake()

2334

2312

except gnutls.Error as error:

2335

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

2313

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

2336

2314

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

2337

2315

# established. Just abandon the request.

2338

2316

return

2339

log.debug("Handshake succeeded")

2317

logger.debug("Handshake succeeded")

2340

2318

2341

2319

approval_required = False

2342

2320

try:

2346

2324

key_id = self.key_id(

2347

2325

self.peer_certificate(session))

2348

2326

except (TypeError, gnutls.Error) as error:

2349

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

2327

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

2350

2328

return

2351

log.debug("Key ID: %s",

2352

key_id.decode("utf-8",

2353

errors="replace"))

2329

logger.debug("Key ID: %s", key_id)

2354

2330

2355

2331

else:

2356

2332

key_id = b""

2358

2334

fpr = self.fingerprint(

2359

2335

self.peer_certificate(session))

2360

2336

except (TypeError, gnutls.Error) as error:

2361

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

2337

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

2362

2338

return

2363

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

2339

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

2364

2340

2365

2341

try:

2366

2342

client = ProxyClient(child_pipe, key_id, fpr,

2375

2351

2376

2352

while True:

2377

2353

if not client.enabled:

2378

log.info("Client %s is disabled", client.name)

2354

logger.info("Client %s is disabled",

2355

client.name)

2379

2356

if self.server.use_dbus:

2380

2357

# Emit D-Bus signal

2381

2358

client.Rejected("Disabled")

2385

2362

# We are approved or approval is disabled

2386

2363

break

2387

2364

elif client.approved is None:

2388

log.info("Client %s needs approval",

2389

client.name)

2365

logger.info("Client %s needs approval",

2366

client.name)

2390

2367

if self.server.use_dbus:

2391

2368

# Emit D-Bus signal

2392

2369

client.NeedApproval(

2393

2370

client.approval_delay.total_seconds()

2394

2371

* 1000, client.approved_by_default)

2395

2372

else:

2396

log.warning("Client %s was not approved",

2397

client.name)

2373

logger.warning("Client %s was not approved",

2374

client.name)

2398

2375

if self.server.use_dbus:

2399

2376

# Emit D-Bus signal

2400

2377

client.Rejected("Denied")

2408

2385

time2 = datetime.datetime.now()

2409

2386

if (time2 - time) >= delay:

2410

2387

if not client.approved_by_default:

2411

log.warning("Client %s timed out while"

2412

" waiting for approval",

2413

client.name)

2388

logger.warning("Client %s timed out while"

2389

" waiting for approval",

2390

client.name)

2414

2391

if self.server.use_dbus:

2415

2392

# Emit D-Bus signal

2416

2393

client.Rejected("Approval timed out")

2423

2400

try:

2424

2401

session.send(client.secret)

2425

2402

except gnutls.Error as error:

2426

log.warning("gnutls send failed", exc_info=error)

2403

logger.warning("gnutls send failed",

2404

exc_info=error)

2427

2405

return

2428

2406

2429

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

2407

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

2430

2408

# bump the timeout using extended_timeout

2431

2409

client.bump_timeout(client.extended_timeout)

2432

2410

if self.server.use_dbus:

2439

2417

try:

2440

2418

session.bye()

2441

2419

except gnutls.Error as error:

2442

log.warning("GnuTLS bye failed", exc_info=error)

2420

logger.warning("GnuTLS bye failed",

2421

exc_info=error)

2443

2422

2444

2423

@staticmethod

2445

2424

def peer_certificate(session):

2446

2425

"Return the peer's certificate as a bytestring"

2447

2426

try:

2448

cert_type = gnutls.certificate_type_get2(

2449

session, gnutls.CTYPE_PEERS)

2427

cert_type = gnutls.certificate_type_get2(session._c_object,

2428

gnutls.CTYPE_PEERS)

2450

2429

except AttributeError:

2451

cert_type = gnutls.certificate_type_get(session)

2430

cert_type = gnutls.certificate_type_get(session._c_object)

2452

2431

if gnutls.has_rawpk:

2453

2432

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2454

2433

else:

2455

2434

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2456

2435

# If not a valid certificate type...

2457

2436

if cert_type not in valid_cert_types:

2458

log.info("Cert type %r not in %r", cert_type,

2459

valid_cert_types)

2437

logger.info("Cert type %r not in %r", cert_type,

2438

valid_cert_types)

2460

2439

# ...return invalid data

2461

2440

return b""

2462

2441

list_size = ctypes.c_uint(1)

2463

2442

cert_list = (gnutls.certificate_get_peers

2464

(session, ctypes.byref(list_size)))

2443

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

2465

2444

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

2466

2445

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

2467

2446

if list_size.value == 0:

2489

2468

buf = ctypes.create_string_buffer(32)

2490

2469

buf_len = ctypes.c_size_t(len(buf))

2491

2470

# Get the key ID from the raw public key into the buffer

2492

gnutls.pubkey_get_key_id(

2493

pubkey,

2494

gnutls.KEYID_USE_SHA256,

2495

ctypes.cast(ctypes.byref(buf),

2496

ctypes.POINTER(ctypes.c_ubyte)),

2497

ctypes.byref(buf_len))

2471

gnutls.pubkey_get_key_id(pubkey,

2472

gnutls.KEYID_USE_SHA256,

2473

ctypes.cast(ctypes.byref(buf),

2474

ctypes.POINTER(ctypes.c_ubyte)),

2475

ctypes.byref(buf_len))

2498

2476

# Deinit the certificate

2499

2477

gnutls.pubkey_deinit(pubkey)

2500

2478

2581

2559

2582

2560

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2583

2561

socketserver.TCPServer):

2584

"""IPv6-capable TCP server. Accepts None as address and/or port

2562

"""IPv6-capable TCP server. Accepts 'None' as address and/or port

2585

2563

2586

2564

Attributes:

2587

2565

enabled: Boolean; whether this server is activated yet

2638

2616

if SO_BINDTODEVICE is None:

2639

2617

# Fall back to a hard-coded value which seems to be

2640

2618

# common enough.

2641

log.warning("SO_BINDTODEVICE not found, trying 25")

2619

logger.warning("SO_BINDTODEVICE not found, trying 25")

2642

2620

SO_BINDTODEVICE = 25

2643

2621

try:

2644

2622

self.socket.setsockopt(

2646

2624

(self.interface + "\0").encode("utf-8"))

2647

2625

except socket.error as error:

2648

2626

if error.errno == errno.EPERM:

2649

log.error("No permission to bind to interface %s",

2650

self.interface)

2627

logger.error("No permission to bind to"

2628

" interface %s", self.interface)

2651

2629

elif error.errno == errno.ENOPROTOOPT:

2652

log.error("SO_BINDTODEVICE not available; cannot"

2653

" bind to interface %s", self.interface)

2630

logger.error("SO_BINDTODEVICE not available;"

2631

" cannot bind to interface %s",

2632

self.interface)

2654

2633

elif error.errno == errno.ENODEV:

2655

log.error("Interface %s does not exist, cannot"

2656

" bind", self.interface)

2634

logger.error("Interface %s does not exist,"

2635

" cannot bind", self.interface)

2657

2636

else:

2658

2637

raise

2659

2638

# Only bind(2) the socket if we really need to.

2738

2717

request = parent_pipe.recv()

2739

2718

command = request[0]

2740

2719

2741

if command == "init":

2720

if command == 'init':

2742

2721

key_id = request[1].decode("ascii")

2743

2722

fpr = request[2].decode("ascii")

2744

2723

address = request[3]

2745

2724

2746

2725

for c in self.clients.values():

2747

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2748

"27AE41E4649B934CA495991B7852B855"):

2726

if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":

2749

2727

continue

2750

2728

if key_id and c.key_id == key_id:

2751

2729

client = c

2754

2732

client = c

2755

2733

break

2756

2734

else:

2757

log.info("Client not found for key ID: %s, address:"

2758

" %s", key_id or fpr, address)

2735

logger.info("Client not found for key ID: %s, address"

2736

": %s", key_id or fpr, address)

2759

2737

if self.use_dbus:

2760

2738

# Emit D-Bus signal

2761

2739

mandos_dbus_service.ClientNotFound(key_id or fpr,

2774

2752

# remove the old hook in favor of the new above hook on

2775

2753

# same fileno

2776

2754

return False

2777

if command == "funcall":

2755

if command == 'funcall':

2778

2756

funcname = request[1]

2779

2757

args = request[2]

2780

2758

kwargs = request[3]

2781

2759

2782

parent_pipe.send(("data", getattr(client_object,

2760

parent_pipe.send(('data', getattr(client_object,

2783

2761

funcname)(*args,

2784

2762

**kwargs)))

2785

2763

2786

if command == "getattr":

2764

if command == 'getattr':

2787

2765

attrname = request[1]

2788

2766

if isinstance(client_object.__getattribute__(attrname),

2789

2767

collections.abc.Callable):

2790

parent_pipe.send(("function", ))

2768

parent_pipe.send(('function', ))

2791

2769

else:

2792

2770

parent_pipe.send((

2793

"data", client_object.__getattribute__(attrname)))

2771

'data', client_object.__getattribute__(attrname)))

2794

2772

2795

if command == "setattr":

2773

if command == 'setattr':

2796

2774

attrname = request[1]

2797

2775

value = request[2]

2798

2776

setattr(client_object, attrname, value)

2803

2781

def rfc3339_duration_to_delta(duration):

2804

2782

"""Parse an RFC 3339 "duration" and return a datetime.timedelta

2805

2783

2806

>>> timedelta = datetime.timedelta

2807

>>> rfc3339_duration_to_delta("P7D") == timedelta(7)

2808

True

2809

>>> rfc3339_duration_to_delta("PT60S") == timedelta(0, 60)

2810

True

2811

>>> rfc3339_duration_to_delta("PT60M") == timedelta(0, 3600)

2812

True

2813

>>> rfc3339_duration_to_delta("PT24H") == timedelta(1)

2814

True

2815

>>> rfc3339_duration_to_delta("P1W") == timedelta(7)

2816

True

2817

>>> rfc3339_duration_to_delta("PT5M30S") == timedelta(0, 330)

2818

True

2819

>>> rfc3339_duration_to_delta("P1DT3M20S") == timedelta(1, 200)

2820

True

2821

>>> del timedelta

2784

>>> rfc3339_duration_to_delta("P7D") == datetime.timedelta(7)

2785

True

2786

>>> rfc3339_duration_to_delta("PT60S") == datetime.timedelta(0, 60)

2787

True

2788

>>> rfc3339_duration_to_delta("PT60M") == datetime.timedelta(0, 3600)

2789

True

2790

>>> rfc3339_duration_to_delta("PT24H") == datetime.timedelta(1)

2791

True

2792

>>> rfc3339_duration_to_delta("P1W") == datetime.timedelta(7)

2793

True

2794

>>> rfc3339_duration_to_delta("PT5M30S") == datetime.timedelta(0, 330)

2795

True

2796

>>> rfc3339_duration_to_delta("P1DT3M20S") == datetime.timedelta(1, 200)

2797

True

2822

2798

"""

2823

2799

2824

2800

# Parsing an RFC 3339 duration with regular expressions is not

2904

2880

def string_to_delta(interval):

2905

2881

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

2906

2882

2907

>>> string_to_delta("7d") == datetime.timedelta(7)

2908

True

2909

>>> string_to_delta("60s") == datetime.timedelta(0, 60)

2910

True

2911

>>> string_to_delta("60m") == datetime.timedelta(0, 3600)

2912

True

2913

>>> string_to_delta("24h") == datetime.timedelta(1)

2914

True

2915

>>> string_to_delta("1w") == datetime.timedelta(7)

2916

True

2917

>>> string_to_delta("5m 30s") == datetime.timedelta(0, 330)

2883

>>> string_to_delta('7d') == datetime.timedelta(7)

2884

True

2885

>>> string_to_delta('60s') == datetime.timedelta(0, 60)

2886

True

2887

>>> string_to_delta('60m') == datetime.timedelta(0, 3600)

2888

True

2889

>>> string_to_delta('24h') == datetime.timedelta(1)

2890

True

2891

>>> string_to_delta('1w') == datetime.timedelta(7)

2892

True

2893

>>> string_to_delta('5m 30s') == datetime.timedelta(0, 330)

2918

2894

True

2919

2895

"""

2920

2896

3124

3100

3125

3101

if server_settings["servicename"] != "Mandos":

3126

3102

syslogger.setFormatter(

3127

logging.Formatter("Mandos ({}) [%(process)d]:"

3128

" %(levelname)s: %(message)s".format(

3103

logging.Formatter('Mandos ({}) [%(process)d]:'

3104

' %(levelname)s: %(message)s'.format(

3129

3105

server_settings["servicename"])))

3130

3106

3131

3107

# Parse config file with clients

3155

3131

try:

3156

3132

pidfile = codecs.open(pidfilename, "w", encoding="utf-8")

3157

3133

except IOError as e:

3158

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

3159

exc_info=e)

3134

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

3135

exc_info=e)

3160

3136

3161

3137

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

3162

3138

("mandos", "mandos"),

3173

3149

try:

3174

3150

os.setgid(gid)

3175

3151

os.setuid(uid)

3176

log.debug("Did setuid/setgid to %s:%s", uid, gid)

3152

if debug:

3153

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

3154

gid))

3177

3155

except OSError as error:

3178

log.warning("Failed to setuid/setgid to %s:%s: %s", uid, gid,

3179

os.strerror(error.errno))

3156

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

3157

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

3180

3158

if error.errno != errno.EPERM:

3181

3159

raise

3182

3160

3189

3167

3190

3168

@gnutls.log_func

3191

3169

def debug_gnutls(level, string):

3192

log.debug("GnuTLS: %s",

3193

string[:-1].decode("utf-8", errors="replace"))

3170

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

3194

3171

3195

3172

gnutls.global_set_log_function(debug_gnutls)

3196

3173

3225

3202

"se.bsnet.fukt.Mandos", bus,

3226

3203

do_not_queue=True)

3227

3204

except dbus.exceptions.DBusException as e:

3228

log.error("Disabling D-Bus:", exc_info=e)

3205

logger.error("Disabling D-Bus:", exc_info=e)

3229

3206

use_dbus = False

3230

3207

server_settings["use_dbus"] = False

3231

3208

tcp_server.use_dbus = False

3316

3293

os.remove(stored_state_path)

3317

3294

except IOError as e:

3318

3295

if e.errno == errno.ENOENT:

3319

log.warning("Could not load persistent state:"

3320

" %s", os.strerror(e.errno))

3296

logger.warning("Could not load persistent state:"

3297

" {}".format(os.strerror(e.errno)))

3321

3298

else:

3322

log.critical("Could not load persistent state:",

3323

exc_info=e)

3299

logger.critical("Could not load persistent state:",

3300

exc_info=e)

3324

3301

raise

3325

3302

except EOFError as e:

3326

log.warning("Could not load persistent state: EOFError:",

3327

exc_info=e)

3303

logger.warning("Could not load persistent state: "

3304

"EOFError:",

3305

exc_info=e)

3328

3306

3329

3307

with PGPEngine() as pgp:

3330

3308

for client_name, client in clients_data.items():

3357

3335

if client["enabled"]:

3358

3336

if datetime.datetime.utcnow() >= client["expires"]:

3359

3337

if not client["last_checked_ok"]:

3360

log.warning("disabling client %s - Client"

3361

" never performed a successful"

3362

" checker", client_name)

3338

logger.warning(

3339

"disabling client {} - Client never "

3340

"performed a successful checker".format(

3341

client_name))

3363

3342

client["enabled"] = False

3364

3343

elif client["last_checker_status"] != 0:

3365

log.warning("disabling client %s - Client"

3366

" last checker failed with error"

3367

" code %s", client_name,

3368

client["last_checker_status"])

3344

logger.warning(

3345

"disabling client {} - Client last"

3346

" checker failed with error code"

3347

" {}".format(

3348

client_name,

3349

client["last_checker_status"]))

3369

3350

client["enabled"] = False

3370

3351

else:

3371

3352

client["expires"] = (

3372

3353

datetime.datetime.utcnow()

3373

3354

+ client["timeout"])

3374

log.debug("Last checker succeeded, keeping %s"

3375

" enabled", client_name)

3355

logger.debug("Last checker succeeded,"

3356

" keeping {} enabled".format(

3357

client_name))

3376

3358

try:

3377

3359

client["secret"] = pgp.decrypt(

3378

3360

client["encrypted_secret"],

3379

3361

client_settings[client_name]["secret"])

3380

3362

except PGPError:

3381

3363

# If decryption fails, we use secret from new settings

3382

log.debug("Failed to decrypt %s old secret",

3383

client_name)

3364

logger.debug("Failed to decrypt {} old secret".format(

3365

client_name))

3384

3366

client["secret"] = (client_settings[client_name]

3385

3367

["secret"])

3386

3368

3400

3382

server_settings=server_settings)

3401

3383

3402

3384

if not tcp_server.clients:

3403

log.warning("No clients defined")

3385

logger.warning("No clients defined")

3404

3386

3405

3387

if not foreground:

3406

3388

if pidfile is not None:

3409

3391

with pidfile:

3410

3392

print(pid, file=pidfile)

3411

3393

except IOError:

3412

log.error("Could not write to file %r with PID %d",

3413

pidfilename, pid)

3394

logger.error("Could not write to file %r with PID %d",

3395

pidfilename, pid)

3414

3396

del pidfile

3415

3397

del pidfilename

3416

3398

3566

3548

3567

3549

try:

3568

3550

with tempfile.NamedTemporaryFile(

3569

mode="wb",

3551

mode='wb',

3570

3552

suffix=".pickle",

3571

prefix="clients-",

3553

prefix='clients-',

3572

3554

dir=os.path.dirname(stored_state_path),

3573

3555

delete=False) as stored_state:

3574

3556

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

3582

3564

except NameError:

3583

3565

pass

3584

3566

if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):

3585

log.warning("Could not save persistent state: %s",

3586

os.strerror(e.errno))

3567

logger.warning("Could not save persistent state: {}"

3568

.format(os.strerror(e.errno)))

3587

3569

else:

3588

log.warning("Could not save persistent state:",

3589

exc_info=e)

3570

logger.warning("Could not save persistent state:",

3571

exc_info=e)

3590

3572

raise

3591

3573

3592

3574

# Delete all clients, and settings from config

3618

3600

if zeroconf:

3619

3601

service.port = tcp_server.socket.getsockname()[1]

3620

3602

if use_ipv6:

3621

log.info("Now listening on address %r, port %d, flowinfo %d,"

3622

" scope_id %d", *tcp_server.socket.getsockname())

3603

logger.info("Now listening on address %r, port %d,"

3604

" flowinfo %d, scope_id %d",

3605

*tcp_server.socket.getsockname())

3623

3606

else: # IPv4

3624

log.info("Now listening on address %r, port %d",

3625

*tcp_server.socket.getsockname())

3607

logger.info("Now listening on address %r, port %d",

3608

*tcp_server.socket.getsockname())

3626

3609

3627

3610

# service.interface = tcp_server.socket.getsockname()[3]

3628

3611

3632

3615

try:

3633

3616

service.activate()

3634

3617

except dbus.exceptions.DBusException as error:

3635

log.critical("D-Bus Exception", exc_info=error)

3618

logger.critical("D-Bus Exception", exc_info=error)

3636

3619

cleanup()

3637

3620

sys.exit(1)

3638

3621

# End of Avahi example code

3643

3626

lambda *args, **kwargs: (tcp_server.handle_request

3644

3627

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

3645

3628

3646

log.debug("Starting main loop")

3629

logger.debug("Starting main loop")

3647

3630

main_loop.run()

3648

3631

except AvahiError as error:

3649

log.critical("Avahi Error", exc_info=error)

3632

logger.critical("Avahi Error", exc_info=error)

3650

3633

cleanup()

3651

3634

sys.exit(1)

3652

3635

except KeyboardInterrupt:

3653

3636

if debug:

3654

3637

print("", file=sys.stderr)

3655

log.debug("Server received KeyboardInterrupt")

3656

log.debug("Server exiting")

3638

logger.debug("Server received KeyboardInterrupt")

3639

logger.debug("Server exiting")

3657

3640

# Must run before the D-Bus bus name gets deregistered

3658

3641

cleanup()

3659

3642

3660

3643

3661

def parse_test_args():

3662

# type: () -> argparse.Namespace

3644

def should_only_run_tests():

3663

3645

parser = argparse.ArgumentParser(add_help=False)

3664

parser.add_argument("--check", action="store_true")

3665

parser.add_argument("--prefix", )

3646

parser.add_argument("--check", action='store_true')

3666

3647

args, unknown_args = parser.parse_known_args()

3667

if args.check:

3668

# Remove test options from sys.argv

3648

run_tests = args.check

3649

if run_tests:

3650

# Remove --check argument from sys.argv

3669

3651

sys.argv[1:] = unknown_args

3670

return args

3652

return run_tests

3671

3653

3672

3654

# Add all tests from doctest strings

3673

3655

def load_tests(loader, tests, none):

3675

3657

tests.addTests(doctest.DocTestSuite())

3676

3658

return tests

3677

3659

3678

if __name__ == "__main__":

3679

options = parse_test_args()

3660

if __name__ == '__main__':

3680

3661

try:

3681

if options.check:

3682

extra_test_prefix = options.prefix

3683

if extra_test_prefix is not None:

3684

if not (unittest.main(argv=[""], exit=False)

3685

.result.wasSuccessful()):

3686

sys.exit(1)

3687

class ExtraTestLoader(unittest.TestLoader):

3688

testMethodPrefix = extra_test_prefix

3689

# Call using ./scriptname --test [--verbose]

3690

unittest.main(argv=[""], testLoader=ExtraTestLoader())

3691

else:

3692

unittest.main(argv=[""])

3662

if should_only_run_tests():

3663

# Call using ./mandos --check [--verbose]

3664

unittest.main()

3693

3665

else:

3694

3666

main()

3695

3667

finally:

3696

3668

logging.shutdown()

3697

3698

# Local Variables:

3699

# run-tests:

3700

# (lambda (&optional extra)

3701

# (if (not (funcall run-tests-in-test-buffer default-directory

3702

# extra))

3703

# (funcall show-test-buffer-in-test-window)

3704

# (funcall remove-test-window)

3705

# (if extra (message "Extra tests run successfully!"))))

3706

# run-tests-in-test-buffer:

3707

# (lambda (dir &optional extra)

3708

# (with-current-buffer (get-buffer-create "*Test*")

3709

# (setq buffer-read-only nil

3710

# default-directory dir)

3711

# (erase-buffer)

3712

# (compilation-mode))

3713

# (let ((process-result

3714

# (let ((inhibit-read-only t))

3715

# (process-file-shell-command

3716

# (funcall get-command-line extra) nil "*Test*"))))

3717

# (and (numberp process-result)

3718

# (= process-result 0))))

3719

# get-command-line:

3720

# (lambda (&optional extra)

3721

# (let ((quoted-script

3722

# (shell-quote-argument (funcall get-script-name))))

3723

# (format

3724

# (concat "%s --check" (if extra " --prefix=atest" ""))

3725

# quoted-script)))

3726

# get-script-name:

3727

# (lambda ()

3728

# (if (fboundp 'file-local-name)

3729

# (file-local-name (buffer-file-name))

3730

# (or (file-remote-p (buffer-file-name) 'localname)

3731

# (buffer-file-name))))

3732

# remove-test-window:

3733

# (lambda ()

3734

# (let ((test-window (get-buffer-window "*Test*")))

3735

# (if test-window (delete-window test-window))))

3736

# show-test-buffer-in-test-window:

3737

# (lambda ()

3738

# (when (not (get-buffer-window-list "*Test*"))

3739

# (setq next-error-last-buffer (get-buffer "*Test*"))

3740

# (let* ((side (if (>= (window-width) 146) 'right 'bottom))

3741

# (display-buffer-overriding-action

3742

# `((display-buffer-in-side-window) (side . ,side)

3743

# (window-height . fit-window-to-buffer)

3744

# (window-width . fit-window-to-buffer))))

3745

# (display-buffer "*Test*"))))

3746

# eval:

3747

# (progn

3748

# (let* ((run-extra-tests (lambda () (interactive)

3749

# (funcall run-tests t)))

3750

# (inner-keymap `(keymap (116 . ,run-extra-tests))) ; t

3751

# (outer-keymap `(keymap (3 . ,inner-keymap)))) ; C-c

3752

# (setq minor-mode-overriding-map-alist

3753

# (cons `(run-tests . ,outer-keymap)

3754

# minor-mode-overriding-map-alist)))

3755

# (add-hook 'after-save-hook run-tests 90 t))

3756

# End: