/mandos/trunk : revision 1201

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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.Callable

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except AttributeError:

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class abc:

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Callable = collections.Callable

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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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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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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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403

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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)

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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:

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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"""

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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):

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class session_int(ctypes.Structure):

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_fields_ = []

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session_t = ctypes.POINTER(_session_int)

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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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certificate_type_t = ctypes.c_int

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class datum_t(ctypes.Structure):

576

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

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("size", ctypes.c_uint)]

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

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('size', ctypes.c_uint)]

578

562

579

class _openpgp_crt_int(ctypes.Structure):

563

class openpgp_crt_int(ctypes.Structure):

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_fields_ = []

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openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)

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openpgp_crt_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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577

# gnutls.strerror()

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self.code = code

595

579

if message is None and code is not None:

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message = gnutls.strerror(code).decode(

597

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

580

message = gnutls.strerror(code)

598

581

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

599

582

message, *args)

600

583

601

584

class CertificateSecurityError(Error):

602

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pass

603

586

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

587

# Classes

630

class Credentials(With_from_param):

588

class Credentials:

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589

def __init__(self):

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

590

self._c_object = gnutls.certificate_credentials_t()

591

gnutls.certificate_allocate_credentials(

592

ctypes.byref(self._c_object))

634

593

self.type = gnutls.CRD_CERTIFICATE

635

594

636

595

def __del__(self):

637

gnutls.certificate_free_credentials(self)

596

gnutls.certificate_free_credentials(self._c_object)

638

597

639

class ClientSession(With_from_param):

598

class ClientSession:

640

599

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

641

self._as_parameter_ = gnutls.session_t()

600

self._c_object = gnutls.session_t()

642

601

gnutls_flags = gnutls.CLIENT

643

602

if gnutls.check_version(b"3.5.6"):

644

603

gnutls_flags |= gnutls.NO_TICKETS

645

604

if gnutls.has_rawpk:

646

605

gnutls_flags |= gnutls.ENABLE_RAWPK

647

gnutls.init(self, gnutls_flags)

606

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

648

607

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)

608

gnutls.set_default_priority(self._c_object)

609

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

610

gnutls.handshake_set_private_extensions(self._c_object,

611

True)

652

612

self.socket = socket

653

613

if credentials is None:

654

614

credentials = gnutls.Credentials()

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

615

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

616

ctypes.cast(credentials._c_object,

617

ctypes.c_void_p))

657

618

self.credentials = credentials

658

619

659

620

def __del__(self):

660

gnutls.deinit(self)

621

gnutls.deinit(self._c_object)

661

622

662

623

def handshake(self):

663

return gnutls.handshake(self)

624

return gnutls.handshake(self._c_object)

664

625

665

626

def send(self, data):

666

627

data = bytes(data)

667

628

data_len = len(data)

668

629

while data_len > 0:

669

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

630

data_len -= gnutls.record_send(self._c_object,

631

data[-data_len:],

670

632

data_len)

671

633

672

634

def bye(self):

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

635

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

674

636

675

637

# Error handling functions

676

638

def _error_code(result):

677

639

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

678

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

679

if result >= gnutls.E_SUCCESS:

640

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

641

if result >= 0:

680

642

return result

681

643

if result == gnutls.E_NO_CERTIFICATE_FOUND:

682

644

raise gnutls.CertificateSecurityError(code=result)

683

645

raise gnutls.Error(code=result)

684

646

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

647

def _retry_on_error(result, func, arguments):

687

648

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

688

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

689

while result < gnutls.E_SUCCESS:

649

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

650

while result < 0:

690

651

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

691

652

return _error_code(result)

692

653

result = func(*arguments)

697

658

698

659

# Functions

699

660

priority_set_direct = _library.gnutls_priority_set_direct

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

661

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

701

662

ctypes.POINTER(ctypes.c_char_p)]

702

663

priority_set_direct.restype = _error_code

703

664

704

665

init = _library.gnutls_init

705

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

666

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

706

667

init.restype = _error_code

707

668

708

669

set_default_priority = _library.gnutls_set_default_priority

709

set_default_priority.argtypes = [ClientSession]

670

set_default_priority.argtypes = [session_t]

710

671

set_default_priority.restype = _error_code

711

672

712

673

record_send = _library.gnutls_record_send

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

674

record_send.argtypes = [session_t, ctypes.c_void_p,

714

675

ctypes.c_size_t]

715

676

record_send.restype = ctypes.c_ssize_t

716

677

record_send.errcheck = _retry_on_error

718

679

certificate_allocate_credentials = (

719

680

_library.gnutls_certificate_allocate_credentials)

720

681

certificate_allocate_credentials.argtypes = [

721

PointerTo(Credentials)]

682

ctypes.POINTER(certificate_credentials_t)]

722

683

certificate_allocate_credentials.restype = _error_code

723

684

724

685

certificate_free_credentials = (

725

686

_library.gnutls_certificate_free_credentials)

726

certificate_free_credentials.argtypes = [Credentials]

687

certificate_free_credentials.argtypes = [

688

certificate_credentials_t]

727

689

certificate_free_credentials.restype = None

728

690

729

691

handshake_set_private_extensions = (

730

692

_library.gnutls_handshake_set_private_extensions)

731

handshake_set_private_extensions.argtypes = [ClientSession,

693

handshake_set_private_extensions.argtypes = [session_t,

732

694

ctypes.c_int]

733

695

handshake_set_private_extensions.restype = None

734

696

735

697

credentials_set = _library.gnutls_credentials_set

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

698

credentials_set.argtypes = [session_t, credentials_type_t,

699

ctypes.c_void_p]

738

700

credentials_set.restype = _error_code

739

701

740

702

strerror = _library.gnutls_strerror

742

704

strerror.restype = ctypes.c_char_p

743

705

744

706

certificate_type_get = _library.gnutls_certificate_type_get

745

certificate_type_get.argtypes = [ClientSession]

707

certificate_type_get.argtypes = [session_t]

746

708

certificate_type_get.restype = _error_code

747

709

748

710

certificate_get_peers = _library.gnutls_certificate_get_peers

749

certificate_get_peers.argtypes = [ClientSession,

711

certificate_get_peers.argtypes = [session_t,

750

712

ctypes.POINTER(ctypes.c_uint)]

751

713

certificate_get_peers.restype = ctypes.POINTER(datum_t)

752

714

759

721

global_set_log_function.restype = None

760

722

761

723

deinit = _library.gnutls_deinit

762

deinit.argtypes = [ClientSession]

724

deinit.argtypes = [session_t]

763

725

deinit.restype = None

764

726

765

727

handshake = _library.gnutls_handshake

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

728

handshake.argtypes = [session_t]

729

handshake.restype = _error_code

768

730

handshake.errcheck = _retry_on_error

769

731

770

732

transport_set_ptr = _library.gnutls_transport_set_ptr

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

733

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

772

734

transport_set_ptr.restype = None

773

735

774

736

bye = _library.gnutls_bye

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

737

bye.argtypes = [session_t, close_request_t]

738

bye.restype = _error_code

777

739

bye.errcheck = _retry_on_error

778

740

779

741

check_version = _library.gnutls_check_version

796

758

797

759

x509_crt_fmt_t = ctypes.c_int

798

760

799

# All the function declarations below are from

800

# gnutls/abstract.h

761

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

801

762

pubkey_init = _library.gnutls_pubkey_init

802

763

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

803

764

pubkey_init.restype = _error_code

817

778

pubkey_deinit.argtypes = [pubkey_t]

818

779

pubkey_deinit.restype = None

819

780

else:

820

# All the function declarations below are from

821

# gnutls/openpgp.h

781

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

822

782

823

783

openpgp_crt_init = _library.gnutls_openpgp_crt_init

824

784

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

830

790

openpgp_crt_fmt_t]

831

791

openpgp_crt_import.restype = _error_code

832

792

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

]

793

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

794

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

795

ctypes.POINTER(ctypes.c_uint)]

840

796

openpgp_crt_verify_self.restype = _error_code

841

797

842

798

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

853

809

854

810

if check_version(b"3.6.4"):

855

811

certificate_type_get2 = _library.gnutls_certificate_type_get2

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

812

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

857

813

certificate_type_get2.restype = _error_code

858

814

859

815

# Remove non-public functions

875

831

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

876

832

877

833

Attributes:

878

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

834

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

879

835

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

880

836

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

881

837

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

882

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

838

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

883

839

running.

884

840

checker_callback_tag: a GLib event source tag, or None

885

841

checker_command: string; External command which is run to check

1009

965

self.last_enabled = None

1010

966

self.expires = None

1011

967

1012

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

1013

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

1014

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

968

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

969

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

970

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

1015

971

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

1016

972

datetime.datetime.utcnow())

1017

973

1056

1012

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

1057

1013

return False

1058

1014

if not quiet:

1059

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

1015

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

1060

1016

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

1061

1017

GLib.source_remove(self.disable_initiator_tag)

1062

1018

self.disable_initiator_tag = None

1106

1062

self.last_checker_status = returncode

1107

1063

self.last_checker_signal = None

1108

1064

if self.last_checker_status == 0:

1109

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

1065

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

1066

vars(self))

1110

1067

self.checked_ok()

1111

1068

else:

1112

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

1069

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

1113

1070

else:

1114

1071

self.last_checker_status = -1

1115

1072

self.last_checker_signal = -returncode

1116

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

1073

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

1074

vars(self))

1117

1075

return False

1118

1076

1119

1077

def checked_ok(self):

1153

1111

# should be.

1154

1112

1155

1113

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

1156

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

1114

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

1157

1115

self.checker.join()

1158

1116

self.checker = None

1159

1117

# Start a new checker if needed

1160

1118

if self.checker is None:

1161

1119

# Escape attributes for the shell

1162

1120

escaped_attrs = {

1163

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

1121

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

1164

1122

for attr in self.runtime_expansions}

1165

1123

try:

1166

1124

command = self.checker_command % escaped_attrs

1167

1125

except TypeError as error:

1168

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

1169

self.checker_command, exc_info=error)

1126

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

1127

self.checker_command,

1128

exc_info=error)

1170

1129

return True # Try again later

1171

1130

self.current_checker_command = command

1172

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

1131

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

1132

self.name)

1173

1133

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

1174

1134

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

1175

1135

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

1204

1164

self.checker_callback_tag = None

1205

1165

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

1206

1166

return

1207

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

1167

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

1208

1168

self.checker.terminate()

1209

1169

self.checker = None

1210

1170

1237

1197

func._dbus_name = func.__name__

1238

1198

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

1239

1199

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

1240

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1200

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1241

1201

return func

1242

1202

1243

1203

return decorator

1332

1292

1333

1293

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1334

1294

out_signature="s",

1335

path_keyword="object_path",

1336

connection_keyword="connection")

1295

path_keyword='object_path',

1296

connection_keyword='connection')

1337

1297

def Introspect(self, object_path, connection):

1338

1298

"""Overloading of standard D-Bus method.

1339

1299

1388

1348

document.unlink()

1389

1349

except (AttributeError, xml.dom.DOMException,

1390

1350

xml.parsers.expat.ExpatError) as error:

1391

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

1392

exc_info=error)

1351

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

1352

exc_info=error)

1393

1353

return xmlstring

1394

1354

1395

1355

1492

1452

1493

1453

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1494

1454

out_signature="s",

1495

path_keyword="object_path",

1496

connection_keyword="connection")

1455

path_keyword='object_path',

1456

connection_keyword='connection')

1497

1457

def Introspect(self, object_path, connection):

1498

1458

"""Overloading of standard D-Bus method.

1499

1459

1555

1515

document.unlink()

1556

1516

except (AttributeError, xml.dom.DOMException,

1557

1517

xml.parsers.expat.ExpatError) as error:

1558

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

1559

exc_info=error)

1518

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

1519

exc_info=error)

1560

1520

return xmlstring

1561

1521

1562

1522

1594

1554

1595

1555

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1596

1556

out_signature="s",

1597

path_keyword="object_path",

1598

connection_keyword="connection")

1557

path_keyword='object_path',

1558

connection_keyword='connection')

1599

1559

def Introspect(self, object_path, connection):

1600

1560

"""Overloading of standard D-Bus method.

1601

1561

1626

1586

document.unlink()

1627

1587

except (AttributeError, xml.dom.DOMException,

1628

1588

xml.parsers.expat.ExpatError) as error:

1629

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

1630

exc_info=error)

1589

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

1590

exc_info=error)

1631

1591

return xmlstring

1632

1592

1633

1593

2267

2227

class ProxyClient:

2268

2228

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

2269

2229

self._pipe = child_pipe

2270

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

2230

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

2271

2231

if not self._pipe.recv():

2272

2232

raise KeyError(key_id or fpr)

2273

2233

2274

2234

def __getattribute__(self, name):

2275

if name == "_pipe":

2235

if name == '_pipe':

2276

2236

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

2277

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

2237

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

2278

2238

data = self._pipe.recv()

2279

if data[0] == "data":

2239

if data[0] == 'data':

2280

2240

return data[1]

2281

if data[0] == "function":

2241

if data[0] == 'function':

2282

2242

2283

2243

def func(*args, **kwargs):

2284

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

2244

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

2285

2245

return self._pipe.recv()[1]

2286

2246

2287

2247

return func

2288

2248

2289

2249

def __setattr__(self, name, value):

2290

if name == "_pipe":

2250

if name == '_pipe':

2291

2251

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

2292

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

2252

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

2293

2253

2294

2254

2295

2255

class ClientHandler(socketserver.BaseRequestHandler, object):

2300

2260

2301

2261

def handle(self):

2302

2262

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())

2263

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

2264

str(self.client_address))

2265

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

2266

self.server.child_pipe.fileno())

2306

2267

2307

2268

session = gnutls.ClientSession(self.request)

2308

2269

2309

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

2270

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

2310

2271

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

2311

2272

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

2312

2273

# "+DHE-DSS"))

2314

2275

priority = self.server.gnutls_priority

2315

2276

if priority is None:

2316

2277

priority = "NORMAL"

2317

gnutls.priority_set_direct(session,

2318

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

2278

gnutls.priority_set_direct(session._c_object,

2279

priority.encode("utf-8"),

2280

None)

2319

2281

2320

2282

# Start communication using the Mandos protocol

2321

2283

# Get protocol number

2322

2284

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

2323

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

2285

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

2324

2286

try:

2325

2287

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

2326

2288

raise RuntimeError(line)

2327

2289

except (ValueError, IndexError, RuntimeError) as error:

2328

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

2290

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

2329

2291

return

2330

2292

2331

2293

# Start GnuTLS connection

2332

2294

try:

2333

2295

session.handshake()

2334

2296

except gnutls.Error as error:

2335

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

2297

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

2336

2298

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

2337

2299

# established. Just abandon the request.

2338

2300

return

2339

log.debug("Handshake succeeded")

2301

logger.debug("Handshake succeeded")

2340

2302

2341

2303

approval_required = False

2342

2304

try:

2346

2308

key_id = self.key_id(

2347

2309

self.peer_certificate(session))

2348

2310

except (TypeError, gnutls.Error) as error:

2349

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

2311

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

2350

2312

return

2351

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

2352

key_id.decode("utf-8",

2353

errors="replace"))

2313

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

2354

2314

2355

2315

else:

2356

2316

key_id = b""

2358

2318

fpr = self.fingerprint(

2359

2319

self.peer_certificate(session))

2360

2320

except (TypeError, gnutls.Error) as error:

2361

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

2321

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

2362

2322

return

2363

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

2323

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

2364

2324

2365

2325

try:

2366

2326

client = ProxyClient(child_pipe, key_id, fpr,

2375

2335

2376

2336

while True:

2377

2337

if not client.enabled:

2378

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

2338

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

2339

client.name)

2379

2340

if self.server.use_dbus:

2380

2341

# Emit D-Bus signal

2381

2342

client.Rejected("Disabled")

2385

2346

# We are approved or approval is disabled

2386

2347

break

2387

2348

elif client.approved is None:

2388

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

2389

client.name)

2349

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

2350

client.name)

2390

2351

if self.server.use_dbus:

2391

2352

# Emit D-Bus signal

2392

2353

client.NeedApproval(

2393

2354

client.approval_delay.total_seconds()

2394

2355

* 1000, client.approved_by_default)

2395

2356

else:

2396

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

2397

client.name)

2357

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

2358

client.name)

2398

2359

if self.server.use_dbus:

2399

2360

# Emit D-Bus signal

2400

2361

client.Rejected("Denied")

2408

2369

time2 = datetime.datetime.now()

2409

2370

if (time2 - time) >= delay:

2410

2371

if not client.approved_by_default:

2411

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

2412

" waiting for approval",

2413

client.name)

2372

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

2373

" waiting for approval",

2374

client.name)

2414

2375

if self.server.use_dbus:

2415

2376

# Emit D-Bus signal

2416

2377

client.Rejected("Approval timed out")

2423

2384

try:

2424

2385

session.send(client.secret)

2425

2386

except gnutls.Error as error:

2426

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

2387

logger.warning("gnutls send failed",

2388

exc_info=error)

2427

2389

return

2428

2390

2429

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

2391

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

2430

2392

# bump the timeout using extended_timeout

2431

2393

client.bump_timeout(client.extended_timeout)

2432

2394

if self.server.use_dbus:

2439

2401

try:

2440

2402

session.bye()

2441

2403

except gnutls.Error as error:

2442

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

2404

logger.warning("GnuTLS bye failed",

2405

exc_info=error)

2443

2406

2444

2407

@staticmethod

2445

2408

def peer_certificate(session):

2446

2409

"Return the peer's certificate as a bytestring"

2447

2410

try:

2448

cert_type = gnutls.certificate_type_get2(

2449

session, gnutls.CTYPE_PEERS)

2411

cert_type = gnutls.certificate_type_get2(session._c_object,

2412

gnutls.CTYPE_PEERS)

2450

2413

except AttributeError:

2451

cert_type = gnutls.certificate_type_get(session)

2414

cert_type = gnutls.certificate_type_get(session._c_object)

2452

2415

if gnutls.has_rawpk:

2453

2416

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2454

2417

else:

2455

2418

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2456

2419

# If not a valid certificate type...

2457

2420

if cert_type not in valid_cert_types:

2458

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

2459

valid_cert_types)

2421

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

2422

valid_cert_types)

2460

2423

# ...return invalid data

2461

2424

return b""

2462

2425

list_size = ctypes.c_uint(1)

2463

2426

cert_list = (gnutls.certificate_get_peers

2464

(session, ctypes.byref(list_size)))

2427

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

2465

2428

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

2466

2429

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

2467

2430

if list_size.value == 0:

2489

2452

buf = ctypes.create_string_buffer(32)

2490

2453

buf_len = ctypes.c_size_t(len(buf))

2491

2454

# 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))

2455

gnutls.pubkey_get_key_id(pubkey,

2456

gnutls.KEYID_USE_SHA256,

2457

ctypes.cast(ctypes.byref(buf),

2458

ctypes.POINTER(ctypes.c_ubyte)),

2459

ctypes.byref(buf_len))

2498

2460

# Deinit the certificate

2499

2461

gnutls.pubkey_deinit(pubkey)

2500

2462

2581

2543

2582

2544

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2583

2545

socketserver.TCPServer):

2584

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

2546

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

2585

2547

2586

2548

Attributes:

2587

2549

enabled: Boolean; whether this server is activated yet

2638

2600

if SO_BINDTODEVICE is None:

2639

2601

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

2640

2602

# common enough.

2641

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

2603

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

2642

2604

SO_BINDTODEVICE = 25

2643

2605

try:

2644

2606

self.socket.setsockopt(

2646

2608

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

2647

2609

except socket.error as error:

2648

2610

if error.errno == errno.EPERM:

2649

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

2650

self.interface)

2611

logger.error("No permission to bind to"

2612

" interface %s", self.interface)

2651

2613

elif error.errno == errno.ENOPROTOOPT:

2652

log.error("SO_BINDTODEVICE not available; cannot"

2653

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

2614

logger.error("SO_BINDTODEVICE not available;"

2615

" cannot bind to interface %s",

2616

self.interface)

2654

2617

elif error.errno == errno.ENODEV:

2655

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

2656

" bind", self.interface)

2618

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

2619

" cannot bind", self.interface)

2657

2620

else:

2658

2621

raise

2659

2622

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

2738

2701

request = parent_pipe.recv()

2739

2702

command = request[0]

2740

2703

2741

if command == "init":

2704

if command == 'init':

2742

2705

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

2743

2706

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

2744

2707

address = request[3]

2745

2708

2746

2709

for c in self.clients.values():

2747

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2748

"27AE41E4649B934CA495991B7852B855"):

2710

if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":

2749

2711

continue

2750

2712

if key_id and c.key_id == key_id:

2751

2713

client = c

2754

2716

client = c

2755

2717

break

2756

2718

else:

2757

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

2758

" %s", key_id or fpr, address)

2719

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

2720

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

2759

2721

if self.use_dbus:

2760

2722

# Emit D-Bus signal

2761

2723

mandos_dbus_service.ClientNotFound(key_id or fpr,

2774

2736

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

2775

2737

# same fileno

2776

2738

return False

2777

if command == "funcall":

2739

if command == 'funcall':

2778

2740

funcname = request[1]

2779

2741

args = request[2]

2780

2742

kwargs = request[3]

2781

2743

2782

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

2744

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

2783

2745

funcname)(*args,

2784

2746

**kwargs)))

2785

2747

2786

if command == "getattr":

2748

if command == 'getattr':

2787

2749

attrname = request[1]

2788

2750

if isinstance(client_object.__getattribute__(attrname),

2789

collections.abc.Callable):

2790

parent_pipe.send(("function", ))

2751

collections.Callable):

2752

parent_pipe.send(('function', ))

2791

2753

else:

2792

2754

parent_pipe.send((

2793

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

2755

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

2794

2756

2795

if command == "setattr":

2757

if command == 'setattr':

2796

2758

attrname = request[1]

2797

2759

value = request[2]

2798

2760

setattr(client_object, attrname, value)

2803

2765

def rfc3339_duration_to_delta(duration):

2804

2766

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

2805

2767

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

2768

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

2769

True

2770

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

2771

True

2772

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

2773

True

2774

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

2775

True

2776

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

2777

True

2778

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

2779

True

2780

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

2781

True

2822

2782

"""

2823

2783

2824

2784

# Parsing an RFC 3339 duration with regular expressions is not

2904

2864

def string_to_delta(interval):

2905

2865

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

2906

2866

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)

2867

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

2868

True

2869

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

2870

True

2871

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

2872

True

2873

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

2874

True

2875

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

2876

True

2877

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

2918

2878

True

2919

2879

"""

2920

2880

3124

3084

3125

3085

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

3126

3086

syslogger.setFormatter(

3127

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

3128

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

3087

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

3088

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

3129

3089

server_settings["servicename"])))

3130

3090

3131

3091

# Parse config file with clients

3155

3115

try:

3156

3116

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

3157

3117

except IOError as e:

3158

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

3159

exc_info=e)

3118

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

3119

exc_info=e)

3160

3120

3161

3121

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

3162

3122

("mandos", "mandos"),

3173

3133

try:

3174

3134

os.setgid(gid)

3175

3135

os.setuid(uid)

3176

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

3136

if debug:

3137

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

3138

gid))

3177

3139

except OSError as error:

3178

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

3179

os.strerror(error.errno))

3140

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

3141

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

3180

3142

if error.errno != errno.EPERM:

3181

3143

raise

3182

3144

3189

3151

3190

3152

@gnutls.log_func

3191

3153

def debug_gnutls(level, string):

3192

log.debug("GnuTLS: %s",

3193

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

3154

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

3194

3155

3195

3156

gnutls.global_set_log_function(debug_gnutls)

3196

3157

3225

3186

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

3226

3187

do_not_queue=True)

3227

3188

except dbus.exceptions.DBusException as e:

3228

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

3189

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

3229

3190

use_dbus = False

3230

3191

server_settings["use_dbus"] = False

3231

3192

tcp_server.use_dbus = False

3316

3277

os.remove(stored_state_path)

3317

3278

except IOError as e:

3318

3279

if e.errno == errno.ENOENT:

3319

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

3320

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

3280

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

3281

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

3321

3282

else:

3322

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

3323

exc_info=e)

3283

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

3284

exc_info=e)

3324

3285

raise

3325

3286

except EOFError as e:

3326

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

3327

exc_info=e)

3287

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

3288

"EOFError:",

3289

exc_info=e)

3328

3290

3329

3291

with PGPEngine() as pgp:

3330

3292

for client_name, client in clients_data.items():

3357

3319

if client["enabled"]:

3358

3320

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

3359

3321

if not client["last_checked_ok"]:

3360

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

3361

" never performed a successful"

3362

" checker", client_name)

3322

logger.warning(

3323

"disabling client {} - Client never "

3324

"performed a successful checker".format(

3325

client_name))

3363

3326

client["enabled"] = False

3364

3327

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"])

3328

logger.warning(

3329

"disabling client {} - Client last"

3330

" checker failed with error code"

3331

" {}".format(

3332

client_name,

3333

client["last_checker_status"]))

3369

3334

client["enabled"] = False

3370

3335

else:

3371

3336

client["expires"] = (

3372

3337

datetime.datetime.utcnow()

3373

3338

+ client["timeout"])

3374

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

3375

" enabled", client_name)

3339

logger.debug("Last checker succeeded,"

3340

" keeping {} enabled".format(

3341

client_name))

3376

3342

try:

3377

3343

client["secret"] = pgp.decrypt(

3378

3344

client["encrypted_secret"],

3379

3345

client_settings[client_name]["secret"])

3380

3346

except PGPError:

3381

3347

# If decryption fails, we use secret from new settings

3382

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

3383

client_name)

3348

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

3349

client_name))

3384

3350

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

3385

3351

["secret"])

3386

3352

3400

3366

server_settings=server_settings)

3401

3367

3402

3368

if not tcp_server.clients:

3403

log.warning("No clients defined")

3369

logger.warning("No clients defined")

3404

3370

3405

3371

if not foreground:

3406

3372

if pidfile is not None:

3409

3375

with pidfile:

3410

3376

print(pid, file=pidfile)

3411

3377

except IOError:

3412

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

3413

pidfilename, pid)

3378

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

3379

pidfilename, pid)

3414

3380

del pidfile

3415

3381

del pidfilename

3416

3382

3566

3532

3567

3533

try:

3568

3534

with tempfile.NamedTemporaryFile(

3569

mode="wb",

3535

mode='wb',

3570

3536

suffix=".pickle",

3571

prefix="clients-",

3537

prefix='clients-',

3572

3538

dir=os.path.dirname(stored_state_path),

3573

3539

delete=False) as stored_state:

3574

3540

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

3582

3548

except NameError:

3583

3549

pass

3584

3550

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

3585

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

3586

os.strerror(e.errno))

3551

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

3552

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

3587

3553

else:

3588

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

3589

exc_info=e)

3554

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

3555

exc_info=e)

3590

3556

raise

3591

3557

3592

3558

# Delete all clients, and settings from config

3618

3584

if zeroconf:

3619

3585

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

3620

3586

if use_ipv6:

3621

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

3622

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

3587

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

3588

" flowinfo %d, scope_id %d",

3589

*tcp_server.socket.getsockname())

3623

3590

else: # IPv4

3624

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

3625

*tcp_server.socket.getsockname())

3591

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

3592

*tcp_server.socket.getsockname())

3626

3593

3627

3594

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

3628

3595

3632

3599

try:

3633

3600

service.activate()

3634

3601

except dbus.exceptions.DBusException as error:

3635

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

3602

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

3636

3603

cleanup()

3637

3604

sys.exit(1)

3638

3605

# End of Avahi example code

3643

3610

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

3644

3611

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

3645

3612

3646

log.debug("Starting main loop")

3613

logger.debug("Starting main loop")

3647

3614

main_loop.run()

3648

3615

except AvahiError as error:

3649

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

3616

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

3650

3617

cleanup()

3651

3618

sys.exit(1)

3652

3619

except KeyboardInterrupt:

3653

3620

if debug:

3654

3621

print("", file=sys.stderr)

3655

log.debug("Server received KeyboardInterrupt")

3656

log.debug("Server exiting")

3622

logger.debug("Server received KeyboardInterrupt")

3623

logger.debug("Server exiting")

3657

3624

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

3658

3625

cleanup()

3659

3626

3660

3627

3661

def parse_test_args():

3662

# type: () -> argparse.Namespace

3628

def should_only_run_tests():

3663

3629

parser = argparse.ArgumentParser(add_help=False)

3664

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

3665

parser.add_argument("--prefix", )

3630

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

3666

3631

args, unknown_args = parser.parse_known_args()

3667

if args.check:

3668

# Remove test options from sys.argv

3632

run_tests = args.check

3633

if run_tests:

3634

# Remove --check argument from sys.argv

3669

3635

sys.argv[1:] = unknown_args

3670

return args

3636

return run_tests

3671

3637

3672

3638

# Add all tests from doctest strings

3673

3639

def load_tests(loader, tests, none):

3675

3641

tests.addTests(doctest.DocTestSuite())

3676

3642

return tests

3677

3643

3678

if __name__ == "__main__":

3679

options = parse_test_args()

3644

if __name__ == '__main__':

3680

3645

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=[""])

3646

if should_only_run_tests():

3647

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

3648

unittest.main()

3693

3649

else:

3694

3650

main()

3695

3651

finally:

3696

3652

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: