/mandos/release : revision 237.7.751

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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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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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import dbus

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import dbus.service

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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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collections.abc = abc

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del abc

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# Add shlex.quote if it does not exist

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try:

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shlex.quote

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except AttributeError:

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shlex.quote = re.escape

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# Show warnings by default

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if not sys.warnoptions:

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import warnings

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if sys.version_info < (3, 2):

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configparser.Configparser = configparser.SafeConfigParser

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version = "1.8.14"

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version = "1.8.9"

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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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404

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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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"""

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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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if state == avahi.ENTRY_GROUP_ESTABLISHED:

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log.debug("Zeroconf service established.")

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logger.debug("Zeroconf service established.")

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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()

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elif state == avahi.ENTRY_GROUP_FAILURE:

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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))

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

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def cleanup(self):

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

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

478

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

471

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

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bad_states = {

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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])

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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()

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elif state == avahi.SERVER_RUNNING:

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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"

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" 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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else:

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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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else:

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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"""

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class AvahiServiceToSyslog(AvahiService):

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

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

526

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

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**kwargs)

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

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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'

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.format(self.name)))

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return ret

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OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h

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# Types

565

class _session_int(ctypes.Structure):

558

class session_int(ctypes.Structure):

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_fields_ = []

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session_t = ctypes.POINTER(_session_int)

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session_t = ctypes.POINTER(session_int)

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569

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class certificate_credentials_st(ctypes.Structure):

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_fields_ = []

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566

certificate_type_t = ctypes.c_int

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567

575

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class datum_t(ctypes.Structure):

576

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

577

("size", ctypes.c_uint)]

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

570

('size', ctypes.c_uint)]

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571

579

class _openpgp_crt_int(ctypes.Structure):

572

class openpgp_crt_int(ctypes.Structure):

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_fields_ = []

581

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

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# gnutls.strerror()

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self.code = code

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if message is None and code is not None:

596

message = gnutls.strerror(code).decode(

597

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

589

message = gnutls.strerror(code)

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

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message, *args)

600

592

601

593

class CertificateSecurityError(Error):

602

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pass

603

595

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

596

# Classes

630

class Credentials(With_from_param):

597

class Credentials:

631

598

def __init__(self):

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

599

self._c_object = gnutls.certificate_credentials_t()

600

gnutls.certificate_allocate_credentials(

601

ctypes.byref(self._c_object))

634

602

self.type = gnutls.CRD_CERTIFICATE

635

603

636

604

def __del__(self):

637

gnutls.certificate_free_credentials(self)

605

gnutls.certificate_free_credentials(self._c_object)

638

606

639

class ClientSession(With_from_param):

607

class ClientSession:

640

608

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

641

self._as_parameter_ = gnutls.session_t()

609

self._c_object = gnutls.session_t()

642

610

gnutls_flags = gnutls.CLIENT

643

611

if gnutls.check_version(b"3.5.6"):

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612

gnutls_flags |= gnutls.NO_TICKETS

645

613

if gnutls.has_rawpk:

646

614

gnutls_flags |= gnutls.ENABLE_RAWPK

647

gnutls.init(self, gnutls_flags)

615

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

648

616

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)

617

gnutls.set_default_priority(self._c_object)

618

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

619

gnutls.handshake_set_private_extensions(self._c_object,

620

True)

652

621

self.socket = socket

653

622

if credentials is None:

654

623

credentials = gnutls.Credentials()

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

624

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

625

ctypes.cast(credentials._c_object,

626

ctypes.c_void_p))

657

627

self.credentials = credentials

658

628

659

629

def __del__(self):

660

gnutls.deinit(self)

630

gnutls.deinit(self._c_object)

661

631

662

632

def handshake(self):

663

return gnutls.handshake(self)

633

return gnutls.handshake(self._c_object)

664

634

665

635

def send(self, data):

666

636

data = bytes(data)

667

637

data_len = len(data)

668

638

while data_len > 0:

669

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

639

data_len -= gnutls.record_send(self._c_object,

640

data[-data_len:],

670

641

data_len)

671

642

672

643

def bye(self):

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

644

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

674

645

675

646

# Error handling functions

676

647

def _error_code(result):

677

648

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

678

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

679

if result >= gnutls.E_SUCCESS:

649

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

650

if result >= 0:

680

651

return result

681

652

if result == gnutls.E_NO_CERTIFICATE_FOUND:

682

653

raise gnutls.CertificateSecurityError(code=result)

683

654

raise gnutls.Error(code=result)

684

655

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

656

def _retry_on_error(result, func, arguments):

687

657

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

688

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

689

while result < gnutls.E_SUCCESS:

658

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

659

while result < 0:

690

660

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

691

661

return _error_code(result)

692

662

result = func(*arguments)

697

667

698

668

# Functions

699

669

priority_set_direct = _library.gnutls_priority_set_direct

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

670

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

701

671

ctypes.POINTER(ctypes.c_char_p)]

702

672

priority_set_direct.restype = _error_code

703

673

704

674

init = _library.gnutls_init

705

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

675

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

706

676

init.restype = _error_code

707

677

708

678

set_default_priority = _library.gnutls_set_default_priority

709

set_default_priority.argtypes = [ClientSession]

679

set_default_priority.argtypes = [session_t]

710

680

set_default_priority.restype = _error_code

711

681

712

682

record_send = _library.gnutls_record_send

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

683

record_send.argtypes = [session_t, ctypes.c_void_p,

714

684

ctypes.c_size_t]

715

685

record_send.restype = ctypes.c_ssize_t

716

686

record_send.errcheck = _retry_on_error

718

688

certificate_allocate_credentials = (

719

689

_library.gnutls_certificate_allocate_credentials)

720

690

certificate_allocate_credentials.argtypes = [

721

PointerTo(Credentials)]

691

ctypes.POINTER(certificate_credentials_t)]

722

692

certificate_allocate_credentials.restype = _error_code

723

693

724

694

certificate_free_credentials = (

725

695

_library.gnutls_certificate_free_credentials)

726

certificate_free_credentials.argtypes = [Credentials]

696

certificate_free_credentials.argtypes = [

697

certificate_credentials_t]

727

698

certificate_free_credentials.restype = None

728

699

729

700

handshake_set_private_extensions = (

730

701

_library.gnutls_handshake_set_private_extensions)

731

handshake_set_private_extensions.argtypes = [ClientSession,

702

handshake_set_private_extensions.argtypes = [session_t,

732

703

ctypes.c_int]

733

704

handshake_set_private_extensions.restype = None

734

705

735

706

credentials_set = _library.gnutls_credentials_set

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

707

credentials_set.argtypes = [session_t, credentials_type_t,

708

ctypes.c_void_p]

738

709

credentials_set.restype = _error_code

739

710

740

711

strerror = _library.gnutls_strerror

742

713

strerror.restype = ctypes.c_char_p

743

714

744

715

certificate_type_get = _library.gnutls_certificate_type_get

745

certificate_type_get.argtypes = [ClientSession]

716

certificate_type_get.argtypes = [session_t]

746

717

certificate_type_get.restype = _error_code

747

718

748

719

certificate_get_peers = _library.gnutls_certificate_get_peers

749

certificate_get_peers.argtypes = [ClientSession,

720

certificate_get_peers.argtypes = [session_t,

750

721

ctypes.POINTER(ctypes.c_uint)]

751

722

certificate_get_peers.restype = ctypes.POINTER(datum_t)

752

723

759

730

global_set_log_function.restype = None

760

731

761

732

deinit = _library.gnutls_deinit

762

deinit.argtypes = [ClientSession]

733

deinit.argtypes = [session_t]

763

734

deinit.restype = None

764

735

765

736

handshake = _library.gnutls_handshake

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

737

handshake.argtypes = [session_t]

738

handshake.restype = _error_code

768

739

handshake.errcheck = _retry_on_error

769

740

770

741

transport_set_ptr = _library.gnutls_transport_set_ptr

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

742

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

772

743

transport_set_ptr.restype = None

773

744

774

745

bye = _library.gnutls_bye

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

746

bye.argtypes = [session_t, close_request_t]

747

bye.restype = _error_code

777

748

bye.errcheck = _retry_on_error

778

749

779

750

check_version = _library.gnutls_check_version

796

767

797

768

x509_crt_fmt_t = ctypes.c_int

798

769

799

# All the function declarations below are from

800

# gnutls/abstract.h

770

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

801

771

pubkey_init = _library.gnutls_pubkey_init

802

772

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

803

773

pubkey_init.restype = _error_code

817

787

pubkey_deinit.argtypes = [pubkey_t]

818

788

pubkey_deinit.restype = None

819

789

else:

820

# All the function declarations below are from

821

# gnutls/openpgp.h

790

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

822

791

823

792

openpgp_crt_init = _library.gnutls_openpgp_crt_init

824

793

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

830

799

openpgp_crt_fmt_t]

831

800

openpgp_crt_import.restype = _error_code

832

801

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

]

802

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

803

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

804

ctypes.POINTER(ctypes.c_uint)]

840

805

openpgp_crt_verify_self.restype = _error_code

841

806

842

807

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

853

818

854

819

if check_version(b"3.6.4"):

855

820

certificate_type_get2 = _library.gnutls_certificate_type_get2

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

821

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

857

822

certificate_type_get2.restype = _error_code

858

823

859

824

# Remove non-public functions

875

840

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

876

841

877

842

Attributes:

878

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

843

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

879

844

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

880

845

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

881

846

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

882

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

847

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

883

848

running.

884

849

checker_callback_tag: a GLib event source tag, or None

885

850

checker_command: string; External command which is run to check

1009

974

self.last_enabled = None

1010

975

self.expires = None

1011

976

1012

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

1013

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

1014

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

977

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

978

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

979

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

1015

980

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

1016

981

datetime.datetime.utcnow())

1017

982

1056

1021

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

1057

1022

return False

1058

1023

if not quiet:

1059

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

1024

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

1060

1025

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

1061

1026

GLib.source_remove(self.disable_initiator_tag)

1062

1027

self.disable_initiator_tag = None

1106

1071

self.last_checker_status = returncode

1107

1072

self.last_checker_signal = None

1108

1073

if self.last_checker_status == 0:

1109

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

1074

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

1075

vars(self))

1110

1076

self.checked_ok()

1111

1077

else:

1112

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

1078

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

1113

1079

else:

1114

1080

self.last_checker_status = -1

1115

1081

self.last_checker_signal = -returncode

1116

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

1082

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

1083

vars(self))

1117

1084

return False

1118

1085

1119

1086

def checked_ok(self):

1153

1120

# should be.

1154

1121

1155

1122

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

1156

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

1123

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

1157

1124

self.checker.join()

1158

1125

self.checker = None

1159

1126

# Start a new checker if needed

1160

1127

if self.checker is None:

1161

1128

# Escape attributes for the shell

1162

1129

escaped_attrs = {

1163

attr: shlex.quote(str(getattr(self, attr)))

1130

attr: re.escape(str(getattr(self, attr)))

1164

1131

for attr in self.runtime_expansions}

1165

1132

try:

1166

1133

command = self.checker_command % escaped_attrs

1167

1134

except TypeError as error:

1168

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

1169

self.checker_command, exc_info=error)

1135

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

1136

self.checker_command,

1137

exc_info=error)

1170

1138

return True # Try again later

1171

1139

self.current_checker_command = command

1172

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

1140

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

1141

self.name)

1173

1142

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

1174

1143

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

1175

1144

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

1204

1173

self.checker_callback_tag = None

1205

1174

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

1206

1175

return

1207

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

1176

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

1208

1177

self.checker.terminate()

1209

1178

self.checker = None

1210

1179

1237

1206

func._dbus_name = func.__name__

1238

1207

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

1239

1208

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

1240

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1209

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1241

1210

return func

1242

1211

1243

1212

return decorator

1332

1301

1333

1302

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1334

1303

out_signature="s",

1335

path_keyword="object_path",

1336

connection_keyword="connection")

1304

path_keyword='object_path',

1305

connection_keyword='connection')

1337

1306

def Introspect(self, object_path, connection):

1338

1307

"""Overloading of standard D-Bus method.

1339

1308

1388

1357

document.unlink()

1389

1358

except (AttributeError, xml.dom.DOMException,

1390

1359

xml.parsers.expat.ExpatError) as error:

1391

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

1392

exc_info=error)

1360

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

1361

exc_info=error)

1393

1362

return xmlstring

1394

1363

1395

1364

1492

1461

1493

1462

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1494

1463

out_signature="s",

1495

path_keyword="object_path",

1496

connection_keyword="connection")

1464

path_keyword='object_path',

1465

connection_keyword='connection')

1497

1466

def Introspect(self, object_path, connection):

1498

1467

"""Overloading of standard D-Bus method.

1499

1468

1555

1524

document.unlink()

1556

1525

except (AttributeError, xml.dom.DOMException,

1557

1526

xml.parsers.expat.ExpatError) as error:

1558

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

1559

exc_info=error)

1527

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

1528

exc_info=error)

1560

1529

return xmlstring

1561

1530

1562

1531

1594

1563

1595

1564

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1596

1565

out_signature="s",

1597

path_keyword="object_path",

1598

connection_keyword="connection")

1566

path_keyword='object_path',

1567

connection_keyword='connection')

1599

1568

def Introspect(self, object_path, connection):

1600

1569

"""Overloading of standard D-Bus method.

1601

1570

1626

1595

document.unlink()

1627

1596

except (AttributeError, xml.dom.DOMException,

1628

1597

xml.parsers.expat.ExpatError) as error:

1629

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

1630

exc_info=error)

1598

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

1599

exc_info=error)

1631

1600

return xmlstring

1632

1601

1633

1602

2267

2236

class ProxyClient:

2268

2237

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

2269

2238

self._pipe = child_pipe

2270

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

2239

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

2271

2240

if not self._pipe.recv():

2272

2241

raise KeyError(key_id or fpr)

2273

2242

2274

2243

def __getattribute__(self, name):

2275

if name == "_pipe":

2244

if name == '_pipe':

2276

2245

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

2277

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

2246

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

2278

2247

data = self._pipe.recv()

2279

if data[0] == "data":

2248

if data[0] == 'data':

2280

2249

return data[1]

2281

if data[0] == "function":

2250

if data[0] == 'function':

2282

2251

2283

2252

def func(*args, **kwargs):

2284

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

2253

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

2285

2254

return self._pipe.recv()[1]

2286

2255

2287

2256

return func

2288

2257

2289

2258

def __setattr__(self, name, value):

2290

if name == "_pipe":

2259

if name == '_pipe':

2291

2260

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

2292

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

2261

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

2293

2262

2294

2263

2295

2264

class ClientHandler(socketserver.BaseRequestHandler, object):

2300

2269

2301

2270

def handle(self):

2302

2271

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())

2272

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

2273

str(self.client_address))

2274

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

2275

self.server.child_pipe.fileno())

2306

2276

2307

2277

session = gnutls.ClientSession(self.request)

2308

2278

2309

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

2279

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

2310

2280

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

2311

2281

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

2312

2282

# "+DHE-DSS"))

2314

2284

priority = self.server.gnutls_priority

2315

2285

if priority is None:

2316

2286

priority = "NORMAL"

2317

gnutls.priority_set_direct(session,

2318

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

2287

gnutls.priority_set_direct(session._c_object,

2288

priority.encode("utf-8"),

2289

None)

2319

2290

2320

2291

# Start communication using the Mandos protocol

2321

2292

# Get protocol number

2322

2293

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

2323

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

2294

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

2324

2295

try:

2325

2296

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

2326

2297

raise RuntimeError(line)

2327

2298

except (ValueError, IndexError, RuntimeError) as error:

2328

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

2299

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

2329

2300

return

2330

2301

2331

2302

# Start GnuTLS connection

2332

2303

try:

2333

2304

session.handshake()

2334

2305

except gnutls.Error as error:

2335

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

2306

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

2336

2307

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

2337

2308

# established. Just abandon the request.

2338

2309

return

2339

log.debug("Handshake succeeded")

2310

logger.debug("Handshake succeeded")

2340

2311

2341

2312

approval_required = False

2342

2313

try:

2346

2317

key_id = self.key_id(

2347

2318

self.peer_certificate(session))

2348

2319

except (TypeError, gnutls.Error) as error:

2349

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

2320

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

2350

2321

return

2351

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

2352

key_id.decode("utf-8",

2353

errors="replace"))

2322

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

2354

2323

2355

2324

else:

2356

2325

key_id = b""

2358

2327

fpr = self.fingerprint(

2359

2328

self.peer_certificate(session))

2360

2329

except (TypeError, gnutls.Error) as error:

2361

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

2330

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

2362

2331

return

2363

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

2332

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

2364

2333

2365

2334

try:

2366

2335

client = ProxyClient(child_pipe, key_id, fpr,

2375

2344

2376

2345

while True:

2377

2346

if not client.enabled:

2378

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

2347

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

2348

client.name)

2379

2349

if self.server.use_dbus:

2380

2350

# Emit D-Bus signal

2381

2351

client.Rejected("Disabled")

2385

2355

# We are approved or approval is disabled

2386

2356

break

2387

2357

elif client.approved is None:

2388

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

2389

client.name)

2358

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

2359

client.name)

2390

2360

if self.server.use_dbus:

2391

2361

# Emit D-Bus signal

2392

2362

client.NeedApproval(

2393

2363

client.approval_delay.total_seconds()

2394

2364

* 1000, client.approved_by_default)

2395

2365

else:

2396

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

2397

client.name)

2366

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

2367

client.name)

2398

2368

if self.server.use_dbus:

2399

2369

# Emit D-Bus signal

2400

2370

client.Rejected("Denied")

2408

2378

time2 = datetime.datetime.now()

2409

2379

if (time2 - time) >= delay:

2410

2380

if not client.approved_by_default:

2411

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

2412

" waiting for approval",

2413

client.name)

2381

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

2382

" waiting for approval",

2383

client.name)

2414

2384

if self.server.use_dbus:

2415

2385

# Emit D-Bus signal

2416

2386

client.Rejected("Approval timed out")

2423

2393

try:

2424

2394

session.send(client.secret)

2425

2395

except gnutls.Error as error:

2426

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

2396

logger.warning("gnutls send failed",

2397

exc_info=error)

2427

2398

return

2428

2399

2429

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

2400

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

2430

2401

# bump the timeout using extended_timeout

2431

2402

client.bump_timeout(client.extended_timeout)

2432

2403

if self.server.use_dbus:

2439

2410

try:

2440

2411

session.bye()

2441

2412

except gnutls.Error as error:

2442

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

2413

logger.warning("GnuTLS bye failed",

2414

exc_info=error)

2443

2415

2444

2416

@staticmethod

2445

2417

def peer_certificate(session):

2446

2418

"Return the peer's certificate as a bytestring"

2447

2419

try:

2448

cert_type = gnutls.certificate_type_get2(

2449

session, gnutls.CTYPE_PEERS)

2420

cert_type = gnutls.certificate_type_get2(session._c_object,

2421

gnutls.CTYPE_PEERS)

2450

2422

except AttributeError:

2451

cert_type = gnutls.certificate_type_get(session)

2423

cert_type = gnutls.certificate_type_get(session._c_object)

2452

2424

if gnutls.has_rawpk:

2453

2425

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2454

2426

else:

2455

2427

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2456

2428

# If not a valid certificate type...

2457

2429

if cert_type not in valid_cert_types:

2458

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

2459

valid_cert_types)

2430

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

2431

valid_cert_types)

2460

2432

# ...return invalid data

2461

2433

return b""

2462

2434

list_size = ctypes.c_uint(1)

2463

2435

cert_list = (gnutls.certificate_get_peers

2464

(session, ctypes.byref(list_size)))

2436

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

2465

2437

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

2466

2438

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

2467

2439

if list_size.value == 0:

2489

2461

buf = ctypes.create_string_buffer(32)

2490

2462

buf_len = ctypes.c_size_t(len(buf))

2491

2463

# 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))

2464

gnutls.pubkey_get_key_id(pubkey,

2465

gnutls.KEYID_USE_SHA256,

2466

ctypes.cast(ctypes.byref(buf),

2467

ctypes.POINTER(ctypes.c_ubyte)),

2468

ctypes.byref(buf_len))

2498

2469

# Deinit the certificate

2499

2470

gnutls.pubkey_deinit(pubkey)

2500

2471

2581

2552

2582

2553

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2583

2554

socketserver.TCPServer):

2584

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

2555

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

2585

2556

2586

2557

Attributes:

2587

2558

enabled: Boolean; whether this server is activated yet

2638

2609

if SO_BINDTODEVICE is None:

2639

2610

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

2640

2611

# common enough.

2641

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

2612

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

2642

2613

SO_BINDTODEVICE = 25

2643

2614

try:

2644

2615

self.socket.setsockopt(

2646

2617

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

2647

2618

except socket.error as error:

2648

2619

if error.errno == errno.EPERM:

2649

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

2650

self.interface)

2620

logger.error("No permission to bind to"

2621

" interface %s", self.interface)

2651

2622

elif error.errno == errno.ENOPROTOOPT:

2652

log.error("SO_BINDTODEVICE not available; cannot"

2653

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

2623

logger.error("SO_BINDTODEVICE not available;"

2624

" cannot bind to interface %s",

2625

self.interface)

2654

2626

elif error.errno == errno.ENODEV:

2655

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

2656

" bind", self.interface)

2627

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

2628

" cannot bind", self.interface)

2657

2629

else:

2658

2630

raise

2659

2631

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

2738

2710

request = parent_pipe.recv()

2739

2711

command = request[0]

2740

2712

2741

if command == "init":

2713

if command == 'init':

2742

2714

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

2743

2715

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

2744

2716

address = request[3]

2745

2717

2746

2718

for c in self.clients.values():

2747

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2748

"27AE41E4649B934CA495991B7852B855"):

2719

if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":

2749

2720

continue

2750

2721

if key_id and c.key_id == key_id:

2751

2722

client = c

2754

2725

client = c

2755

2726

break

2756

2727

else:

2757

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

2758

" %s", key_id or fpr, address)

2728

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

2729

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

2759

2730

if self.use_dbus:

2760

2731

# Emit D-Bus signal

2761

2732

mandos_dbus_service.ClientNotFound(key_id or fpr,

2774

2745

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

2775

2746

# same fileno

2776

2747

return False

2777

if command == "funcall":

2748

if command == 'funcall':

2778

2749

funcname = request[1]

2779

2750

args = request[2]

2780

2751

kwargs = request[3]

2781

2752

2782

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

2753

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

2783

2754

funcname)(*args,

2784

2755

**kwargs)))

2785

2756

2786

if command == "getattr":

2757

if command == 'getattr':

2787

2758

attrname = request[1]

2788

2759

if isinstance(client_object.__getattribute__(attrname),

2789

2760

collections.abc.Callable):

2790

parent_pipe.send(("function", ))

2761

parent_pipe.send(('function', ))

2791

2762

else:

2792

2763

parent_pipe.send((

2793

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

2764

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

2794

2765

2795

if command == "setattr":

2766

if command == 'setattr':

2796

2767

attrname = request[1]

2797

2768

value = request[2]

2798

2769

setattr(client_object, attrname, value)

2803

2774

def rfc3339_duration_to_delta(duration):

2804

2775

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

2805

2776

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

2777

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

2778

True

2779

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

2780

True

2781

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

2782

True

2783

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

2784

True

2785

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

2786

True

2787

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

2788

True

2789

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

2790

True

2822

2791

"""

2823

2792

2824

2793

# Parsing an RFC 3339 duration with regular expressions is not

2904

2873

def string_to_delta(interval):

2905

2874

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

2906

2875

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)

2876

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

2877

True

2878

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

2879

True

2880

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

2881

True

2882

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

2883

True

2884

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

2885

True

2886

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

2918

2887

True

2919

2888

"""

2920

2889

3124

3093

3125

3094

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

3126

3095

syslogger.setFormatter(

3127

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

3128

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

3096

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

3097

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

3129

3098

server_settings["servicename"])))

3130

3099

3131

3100

# Parse config file with clients

3155

3124

try:

3156

3125

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

3157

3126

except IOError as e:

3158

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

3159

exc_info=e)

3127

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

3128

exc_info=e)

3160

3129

3161

3130

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

3162

3131

("mandos", "mandos"),

3173

3142

try:

3174

3143

os.setgid(gid)

3175

3144

os.setuid(uid)

3176

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

3145

if debug:

3146

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

3147

gid))

3177

3148

except OSError as error:

3178

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

3179

os.strerror(error.errno))

3149

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

3150

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

3180

3151

if error.errno != errno.EPERM:

3181

3152

raise

3182

3153

3189

3160

3190

3161

@gnutls.log_func

3191

3162

def debug_gnutls(level, string):

3192

log.debug("GnuTLS: %s",

3193

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

3163

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

3194

3164

3195

3165

gnutls.global_set_log_function(debug_gnutls)

3196

3166

3225

3195

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

3226

3196

do_not_queue=True)

3227

3197

except dbus.exceptions.DBusException as e:

3228

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

3198

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

3229

3199

use_dbus = False

3230

3200

server_settings["use_dbus"] = False

3231

3201

tcp_server.use_dbus = False

3316

3286

os.remove(stored_state_path)

3317

3287

except IOError as e:

3318

3288

if e.errno == errno.ENOENT:

3319

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

3320

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

3289

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

3290

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

3321

3291

else:

3322

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

3323

exc_info=e)

3292

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

3293

exc_info=e)

3324

3294

raise

3325

3295

except EOFError as e:

3326

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

3327

exc_info=e)

3296

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

3297

"EOFError:",

3298

exc_info=e)

3328

3299

3329

3300

with PGPEngine() as pgp:

3330

3301

for client_name, client in clients_data.items():

3357

3328

if client["enabled"]:

3358

3329

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

3359

3330

if not client["last_checked_ok"]:

3360

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

3361

" never performed a successful"

3362

" checker", client_name)

3331

logger.warning(

3332

"disabling client {} - Client never "

3333

"performed a successful checker".format(

3334

client_name))

3363

3335

client["enabled"] = False

3364

3336

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"])

3337

logger.warning(

3338

"disabling client {} - Client last"

3339

" checker failed with error code"

3340

" {}".format(

3341

client_name,

3342

client["last_checker_status"]))

3369

3343

client["enabled"] = False

3370

3344

else:

3371

3345

client["expires"] = (

3372

3346

datetime.datetime.utcnow()

3373

3347

+ client["timeout"])

3374

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

3375

" enabled", client_name)

3348

logger.debug("Last checker succeeded,"

3349

" keeping {} enabled".format(

3350

client_name))

3376

3351

try:

3377

3352

client["secret"] = pgp.decrypt(

3378

3353

client["encrypted_secret"],

3379

3354

client_settings[client_name]["secret"])

3380

3355

except PGPError:

3381

3356

# If decryption fails, we use secret from new settings

3382

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

3383

client_name)

3357

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

3358

client_name))

3384

3359

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

3385

3360

["secret"])

3386

3361

3400

3375

server_settings=server_settings)

3401

3376

3402

3377

if not tcp_server.clients:

3403

log.warning("No clients defined")

3378

logger.warning("No clients defined")

3404

3379

3405

3380

if not foreground:

3406

3381

if pidfile is not None:

3409

3384

with pidfile:

3410

3385

print(pid, file=pidfile)

3411

3386

except IOError:

3412

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

3413

pidfilename, pid)

3387

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

3388

pidfilename, pid)

3414

3389

del pidfile

3415

3390

del pidfilename

3416

3391

3566

3541

3567

3542

try:

3568

3543

with tempfile.NamedTemporaryFile(

3569

mode="wb",

3544

mode='wb',

3570

3545

suffix=".pickle",

3571

prefix="clients-",

3546

prefix='clients-',

3572

3547

dir=os.path.dirname(stored_state_path),

3573

3548

delete=False) as stored_state:

3574

3549

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

3582

3557

except NameError:

3583

3558

pass

3584

3559

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

3585

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

3586

os.strerror(e.errno))

3560

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

3561

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

3587

3562

else:

3588

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

3589

exc_info=e)

3563

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

3564

exc_info=e)

3590

3565

raise

3591

3566

3592

3567

# Delete all clients, and settings from config

3618

3593

if zeroconf:

3619

3594

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

3620

3595

if use_ipv6:

3621

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

3622

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

3596

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

3597

" flowinfo %d, scope_id %d",

3598

*tcp_server.socket.getsockname())

3623

3599

else: # IPv4

3624

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

3625

*tcp_server.socket.getsockname())

3600

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

3601

*tcp_server.socket.getsockname())

3626

3602

3627

3603

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

3628

3604

3632

3608

try:

3633

3609

service.activate()

3634

3610

except dbus.exceptions.DBusException as error:

3635

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

3611

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

3636

3612

cleanup()

3637

3613

sys.exit(1)

3638

3614

# End of Avahi example code

3643

3619

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

3644

3620

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

3645

3621

3646

log.debug("Starting main loop")

3622

logger.debug("Starting main loop")

3647

3623

main_loop.run()

3648

3624

except AvahiError as error:

3649

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

3625

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

3650

3626

cleanup()

3651

3627

sys.exit(1)

3652

3628

except KeyboardInterrupt:

3653

3629

if debug:

3654

3630

print("", file=sys.stderr)

3655

log.debug("Server received KeyboardInterrupt")

3656

log.debug("Server exiting")

3631

logger.debug("Server received KeyboardInterrupt")

3632

logger.debug("Server exiting")

3657

3633

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

3658

3634

cleanup()

3659

3635

3660

3636

3661

def parse_test_args():

3662

# type: () -> argparse.Namespace

3637

def should_only_run_tests():

3663

3638

parser = argparse.ArgumentParser(add_help=False)

3664

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

3665

parser.add_argument("--prefix", )

3639

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

3666

3640

args, unknown_args = parser.parse_known_args()

3667

if args.check:

3668

# Remove test options from sys.argv

3641

run_tests = args.check

3642

if run_tests:

3643

# Remove --check argument from sys.argv

3669

3644

sys.argv[1:] = unknown_args

3670

return args

3645

return run_tests

3671

3646

3672

3647

# Add all tests from doctest strings

3673

3648

def load_tests(loader, tests, none):

3675

3650

tests.addTests(doctest.DocTestSuite())

3676

3651

return tests

3677

3652

3678

if __name__ == "__main__":

3679

options = parse_test_args()

3653

if __name__ == '__main__':

3680

3654

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=[""])

3655

if should_only_run_tests():

3656

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

3657

unittest.main()

3693

3658

else:

3694

3659

main()

3695

3660

finally:

3696

3661

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 ((inhibit-read-only t))

3714

# (= (process-file-shell-command

3715

# (funcall get-command-line extra)

3716

# nil "*Test*") 0)))

3717

# get-command-line:

3718

# (lambda (&optional extra)

3719

# (let ((quoted-script

3720

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

3721

# (format

3722

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

3723

# quoted-script)))

3724

# get-script-name:

3725

# (lambda ()

3726

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

3727

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

3728

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

3729

# (buffer-file-name))))

3730

# remove-test-window:

3731

# (lambda ()

3732

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

3733

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

3734

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

3735

# (lambda ()

3736

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

3737

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

3738

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

3739

# (display-buffer-overriding-action

3740

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

3741

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

3742

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

3743

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

3744

# eval:

3745

# (progn

3746

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

3747

# (funcall run-tests t)))

3748

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

3749

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

3750

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

3751

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

3752

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

3753

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

3754

# End: