/mandos/trunk : revision 1194

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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 random

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import shlex

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import unittest

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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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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):

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_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)),

560

('size', ctypes.c_uint)]

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561

579

class _openpgp_crt_int(ctypes.Structure):

562

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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# gnutls.strerror()

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self.code = code

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if message is None and code is not None:

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message = gnutls.strerror(code).decode(

597

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

579

message = gnutls.strerror(code)

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

599

581

message, *args)

600

582

601

583

class CertificateSecurityError(Error):

602

584

pass

603

585

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)

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624

class With_from_param:

625

@classmethod

626

def from_param(cls, obj):

627

return obj._as_parameter_

628

629

586

# Classes

630

class Credentials(With_from_param):

587

class Credentials:

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588

def __init__(self):

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

589

self._c_object = gnutls.certificate_credentials_t()

590

gnutls.certificate_allocate_credentials(

591

ctypes.byref(self._c_object))

634

592

self.type = gnutls.CRD_CERTIFICATE

635

593

636

594

def __del__(self):

637

gnutls.certificate_free_credentials(self)

595

gnutls.certificate_free_credentials(self._c_object)

638

596

639

class ClientSession(With_from_param):

597

class ClientSession:

640

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

641

self._as_parameter_ = gnutls.session_t()

599

self._c_object = gnutls.session_t()

642

600

gnutls_flags = gnutls.CLIENT

643

601

if gnutls.check_version(b"3.5.6"):

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602

gnutls_flags |= gnutls.NO_TICKETS

645

603

if gnutls.has_rawpk:

646

604

gnutls_flags |= gnutls.ENABLE_RAWPK

647

gnutls.init(self, gnutls_flags)

605

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

648

606

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)

607

gnutls.set_default_priority(self._c_object)

608

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

609

gnutls.handshake_set_private_extensions(self._c_object,

610

True)

652

611

self.socket = socket

653

612

if credentials is None:

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613

credentials = gnutls.Credentials()

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

614

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

615

ctypes.cast(credentials._c_object,

616

ctypes.c_void_p))

657

617

self.credentials = credentials

658

618

659

619

def __del__(self):

660

gnutls.deinit(self)

620

gnutls.deinit(self._c_object)

661

621

662

622

def handshake(self):

663

return gnutls.handshake(self)

623

return gnutls.handshake(self._c_object)

664

624

665

625

def send(self, data):

666

626

data = bytes(data)

667

627

data_len = len(data)

668

628

while data_len > 0:

669

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

629

data_len -= gnutls.record_send(self._c_object,

630

data[-data_len:],

670

631

data_len)

671

632

672

633

def bye(self):

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

634

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

674

635

675

636

# Error handling functions

676

637

def _error_code(result):

677

638

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

678

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

679

if result >= gnutls.E_SUCCESS:

639

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

640

if result >= 0:

680

641

return result

681

642

if result == gnutls.E_NO_CERTIFICATE_FOUND:

682

643

raise gnutls.CertificateSecurityError(code=result)

683

644

raise gnutls.Error(code=result)

684

645

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

646

def _retry_on_error(result, func, arguments):

687

647

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

688

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

689

while result < gnutls.E_SUCCESS:

648

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

649

while result < 0:

690

650

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

691

651

return _error_code(result)

692

652

result = func(*arguments)

697

657

698

658

# Functions

699

659

priority_set_direct = _library.gnutls_priority_set_direct

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

660

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

701

661

ctypes.POINTER(ctypes.c_char_p)]

702

662

priority_set_direct.restype = _error_code

703

663

704

664

init = _library.gnutls_init

705

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

665

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

706

666

init.restype = _error_code

707

667

708

668

set_default_priority = _library.gnutls_set_default_priority

709

set_default_priority.argtypes = [ClientSession]

669

set_default_priority.argtypes = [session_t]

710

670

set_default_priority.restype = _error_code

711

671

712

672

record_send = _library.gnutls_record_send

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

673

record_send.argtypes = [session_t, ctypes.c_void_p,

714

674

ctypes.c_size_t]

715

675

record_send.restype = ctypes.c_ssize_t

716

676

record_send.errcheck = _retry_on_error

718

678

certificate_allocate_credentials = (

719

679

_library.gnutls_certificate_allocate_credentials)

720

680

certificate_allocate_credentials.argtypes = [

721

PointerTo(Credentials)]

681

ctypes.POINTER(certificate_credentials_t)]

722

682

certificate_allocate_credentials.restype = _error_code

723

683

724

684

certificate_free_credentials = (

725

685

_library.gnutls_certificate_free_credentials)

726

certificate_free_credentials.argtypes = [Credentials]

686

certificate_free_credentials.argtypes = [

687

certificate_credentials_t]

727

688

certificate_free_credentials.restype = None

728

689

729

690

handshake_set_private_extensions = (

730

691

_library.gnutls_handshake_set_private_extensions)

731

handshake_set_private_extensions.argtypes = [ClientSession,

692

handshake_set_private_extensions.argtypes = [session_t,

732

693

ctypes.c_int]

733

694

handshake_set_private_extensions.restype = None

734

695

735

696

credentials_set = _library.gnutls_credentials_set

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

697

credentials_set.argtypes = [session_t, credentials_type_t,

698

ctypes.c_void_p]

738

699

credentials_set.restype = _error_code

739

700

740

701

strerror = _library.gnutls_strerror

742

703

strerror.restype = ctypes.c_char_p

743

704

744

705

certificate_type_get = _library.gnutls_certificate_type_get

745

certificate_type_get.argtypes = [ClientSession]

706

certificate_type_get.argtypes = [session_t]

746

707

certificate_type_get.restype = _error_code

747

708

748

709

certificate_get_peers = _library.gnutls_certificate_get_peers

749

certificate_get_peers.argtypes = [ClientSession,

710

certificate_get_peers.argtypes = [session_t,

750

711

ctypes.POINTER(ctypes.c_uint)]

751

712

certificate_get_peers.restype = ctypes.POINTER(datum_t)

752

713

759

720

global_set_log_function.restype = None

760

721

761

722

deinit = _library.gnutls_deinit

762

deinit.argtypes = [ClientSession]

723

deinit.argtypes = [session_t]

763

724

deinit.restype = None

764

725

765

726

handshake = _library.gnutls_handshake

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

727

handshake.argtypes = [session_t]

728

handshake.restype = _error_code

768

729

handshake.errcheck = _retry_on_error

769

730

770

731

transport_set_ptr = _library.gnutls_transport_set_ptr

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

732

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

772

733

transport_set_ptr.restype = None

773

734

774

735

bye = _library.gnutls_bye

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

736

bye.argtypes = [session_t, close_request_t]

737

bye.restype = _error_code

777

738

bye.errcheck = _retry_on_error

778

739

779

740

check_version = _library.gnutls_check_version

796

757

797

758

x509_crt_fmt_t = ctypes.c_int

798

759

799

# All the function declarations below are from

800

# gnutls/abstract.h

760

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

801

761

pubkey_init = _library.gnutls_pubkey_init

802

762

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

803

763

pubkey_init.restype = _error_code

817

777

pubkey_deinit.argtypes = [pubkey_t]

818

778

pubkey_deinit.restype = None

819

779

else:

820

# All the function declarations below are from

821

# gnutls/openpgp.h

780

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

822

781

823

782

openpgp_crt_init = _library.gnutls_openpgp_crt_init

824

783

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

830

789

openpgp_crt_fmt_t]

831

790

openpgp_crt_import.restype = _error_code

832

791

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

]

792

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

793

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

794

ctypes.POINTER(ctypes.c_uint)]

840

795

openpgp_crt_verify_self.restype = _error_code

841

796

842

797

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

853

808

854

809

if check_version(b"3.6.4"):

855

810

certificate_type_get2 = _library.gnutls_certificate_type_get2

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

811

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

857

812

certificate_type_get2.restype = _error_code

858

813

859

814

# Remove non-public functions

875

830

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

876

831

877

832

Attributes:

878

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

833

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

879

834

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

880

835

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

881

836

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

882

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

837

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

883

838

running.

884

839

checker_callback_tag: a GLib event source tag, or None

885

840

checker_command: string; External command which is run to check

1009

964

self.last_enabled = None

1010

965

self.expires = None

1011

966

1012

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

1013

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

1014

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

967

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

968

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

969

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

1015

970

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

1016

971

datetime.datetime.utcnow())

1017

972

1056

1011

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

1057

1012

return False

1058

1013

if not quiet:

1059

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

1014

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

1060

1015

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

1061

1016

GLib.source_remove(self.disable_initiator_tag)

1062

1017

self.disable_initiator_tag = None

1080

1035

if self.checker_initiator_tag is not None:

1081

1036

GLib.source_remove(self.checker_initiator_tag)

1082

1037

self.checker_initiator_tag = GLib.timeout_add(

1083

random.randrange(int(self.interval.total_seconds() * 1000

1084

+ 1)),

1038

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

1085

1039

self.start_checker)

1086

1040

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

1087

1041

if self.disable_initiator_tag is not None:

1106

1060

self.last_checker_status = returncode

1107

1061

self.last_checker_signal = None

1108

1062

if self.last_checker_status == 0:

1109

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

1063

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

1064

vars(self))

1110

1065

self.checked_ok()

1111

1066

else:

1112

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

1067

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

1113

1068

else:

1114

1069

self.last_checker_status = -1

1115

1070

self.last_checker_signal = -returncode

1116

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

1071

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

1072

vars(self))

1117

1073

return False

1118

1074

1119

1075

def checked_ok(self):

1153

1109

# should be.

1154

1110

1155

1111

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

1156

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

1112

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

1157

1113

self.checker.join()

1158

1114

self.checker = None

1159

1115

# Start a new checker if needed

1160

1116

if self.checker is None:

1161

1117

# Escape attributes for the shell

1162

1118

escaped_attrs = {

1163

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

1119

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

1164

1120

for attr in self.runtime_expansions}

1165

1121

try:

1166

1122

command = self.checker_command % escaped_attrs

1167

1123

except TypeError as error:

1168

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

1169

self.checker_command, exc_info=error)

1124

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

1125

self.checker_command,

1126

exc_info=error)

1170

1127

return True # Try again later

1171

1128

self.current_checker_command = command

1172

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

1129

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

1130

self.name)

1173

1131

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

1174

1132

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

1175

1133

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

1204

1162

self.checker_callback_tag = None

1205

1163

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

1206

1164

return

1207

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

1165

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

1208

1166

self.checker.terminate()

1209

1167

self.checker = None

1210

1168

1237

1195

func._dbus_name = func.__name__

1238

1196

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

1239

1197

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

1240

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1198

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1241

1199

return func

1242

1200

1243

1201

return decorator

1332

1290

1333

1291

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1334

1292

out_signature="s",

1335

path_keyword="object_path",

1336

connection_keyword="connection")

1293

path_keyword='object_path',

1294

connection_keyword='connection')

1337

1295

def Introspect(self, object_path, connection):

1338

1296

"""Overloading of standard D-Bus method.

1339

1297

1388

1346

document.unlink()

1389

1347

except (AttributeError, xml.dom.DOMException,

1390

1348

xml.parsers.expat.ExpatError) as error:

1391

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

1392

exc_info=error)

1349

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

1350

exc_info=error)

1393

1351

return xmlstring

1394

1352

1395

1353

1492

1450

1493

1451

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1494

1452

out_signature="s",

1495

path_keyword="object_path",

1496

connection_keyword="connection")

1453

path_keyword='object_path',

1454

connection_keyword='connection')

1497

1455

def Introspect(self, object_path, connection):

1498

1456

"""Overloading of standard D-Bus method.

1499

1457

1555

1513

document.unlink()

1556

1514

except (AttributeError, xml.dom.DOMException,

1557

1515

xml.parsers.expat.ExpatError) as error:

1558

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

1559

exc_info=error)

1516

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

1517

exc_info=error)

1560

1518

return xmlstring

1561

1519

1562

1520

1594

1552

1595

1553

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1596

1554

out_signature="s",

1597

path_keyword="object_path",

1598

connection_keyword="connection")

1555

path_keyword='object_path',

1556

connection_keyword='connection')

1599

1557

def Introspect(self, object_path, connection):

1600

1558

"""Overloading of standard D-Bus method.

1601

1559

1626

1584

document.unlink()

1627

1585

except (AttributeError, xml.dom.DOMException,

1628

1586

xml.parsers.expat.ExpatError) as error:

1629

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

1630

exc_info=error)

1587

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

1588

exc_info=error)

1631

1589

return xmlstring

1632

1590

1633

1591

2267

2225

class ProxyClient:

2268

2226

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

2269

2227

self._pipe = child_pipe

2270

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

2228

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

2271

2229

if not self._pipe.recv():

2272

2230

raise KeyError(key_id or fpr)

2273

2231

2274

2232

def __getattribute__(self, name):

2275

if name == "_pipe":

2233

if name == '_pipe':

2276

2234

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

2277

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

2235

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

2278

2236

data = self._pipe.recv()

2279

if data[0] == "data":

2237

if data[0] == 'data':

2280

2238

return data[1]

2281

if data[0] == "function":

2239

if data[0] == 'function':

2282

2240

2283

2241

def func(*args, **kwargs):

2284

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

2242

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

2285

2243

return self._pipe.recv()[1]

2286

2244

2287

2245

return func

2288

2246

2289

2247

def __setattr__(self, name, value):

2290

if name == "_pipe":

2248

if name == '_pipe':

2291

2249

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

2292

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

2250

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

2293

2251

2294

2252

2295

2253

class ClientHandler(socketserver.BaseRequestHandler, object):

2300

2258

2301

2259

def handle(self):

2302

2260

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())

2261

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

2262

str(self.client_address))

2263

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

2264

self.server.child_pipe.fileno())

2306

2265

2307

2266

session = gnutls.ClientSession(self.request)

2308

2267

2309

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

2268

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

2310

2269

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

2311

2270

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

2312

2271

# "+DHE-DSS"))

2314

2273

priority = self.server.gnutls_priority

2315

2274

if priority is None:

2316

2275

priority = "NORMAL"

2317

gnutls.priority_set_direct(session,

2318

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

2276

gnutls.priority_set_direct(session._c_object,

2277

priority.encode("utf-8"),

2278

None)

2319

2279

2320

2280

# Start communication using the Mandos protocol

2321

2281

# Get protocol number

2322

2282

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

2323

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

2283

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

2324

2284

try:

2325

2285

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

2326

2286

raise RuntimeError(line)

2327

2287

except (ValueError, IndexError, RuntimeError) as error:

2328

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

2288

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

2329

2289

return

2330

2290

2331

2291

# Start GnuTLS connection

2332

2292

try:

2333

2293

session.handshake()

2334

2294

except gnutls.Error as error:

2335

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

2295

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

2336

2296

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

2337

2297

# established. Just abandon the request.

2338

2298

return

2339

log.debug("Handshake succeeded")

2299

logger.debug("Handshake succeeded")

2340

2300

2341

2301

approval_required = False

2342

2302

try:

2346

2306

key_id = self.key_id(

2347

2307

self.peer_certificate(session))

2348

2308

except (TypeError, gnutls.Error) as error:

2349

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

2309

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

2350

2310

return

2351

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

2352

key_id.decode("utf-8",

2353

errors="replace"))

2311

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

2354

2312

2355

2313

else:

2356

2314

key_id = b""

2358

2316

fpr = self.fingerprint(

2359

2317

self.peer_certificate(session))

2360

2318

except (TypeError, gnutls.Error) as error:

2361

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

2319

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

2362

2320

return

2363

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

2321

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

2364

2322

2365

2323

try:

2366

2324

client = ProxyClient(child_pipe, key_id, fpr,

2375

2333

2376

2334

while True:

2377

2335

if not client.enabled:

2378

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

2336

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

2337

client.name)

2379

2338

if self.server.use_dbus:

2380

2339

# Emit D-Bus signal

2381

2340

client.Rejected("Disabled")

2385

2344

# We are approved or approval is disabled

2386

2345

break

2387

2346

elif client.approved is None:

2388

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

2389

client.name)

2347

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

2348

client.name)

2390

2349

if self.server.use_dbus:

2391

2350

# Emit D-Bus signal

2392

2351

client.NeedApproval(

2393

2352

client.approval_delay.total_seconds()

2394

2353

* 1000, client.approved_by_default)

2395

2354

else:

2396

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

2397

client.name)

2355

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

2356

client.name)

2398

2357

if self.server.use_dbus:

2399

2358

# Emit D-Bus signal

2400

2359

client.Rejected("Denied")

2408

2367

time2 = datetime.datetime.now()

2409

2368

if (time2 - time) >= delay:

2410

2369

if not client.approved_by_default:

2411

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

2412

" waiting for approval",

2413

client.name)

2370

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

2371

" waiting for approval",

2372

client.name)

2414

2373

if self.server.use_dbus:

2415

2374

# Emit D-Bus signal

2416

2375

client.Rejected("Approval timed out")

2423

2382

try:

2424

2383

session.send(client.secret)

2425

2384

except gnutls.Error as error:

2426

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

2385

logger.warning("gnutls send failed",

2386

exc_info=error)

2427

2387

return

2428

2388

2429

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

2389

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

2430

2390

# bump the timeout using extended_timeout

2431

2391

client.bump_timeout(client.extended_timeout)

2432

2392

if self.server.use_dbus:

2439

2399

try:

2440

2400

session.bye()

2441

2401

except gnutls.Error as error:

2442

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

2402

logger.warning("GnuTLS bye failed",

2403

exc_info=error)

2443

2404

2444

2405

@staticmethod

2445

2406

def peer_certificate(session):

2446

2407

"Return the peer's certificate as a bytestring"

2447

2408

try:

2448

cert_type = gnutls.certificate_type_get2(

2449

session, gnutls.CTYPE_PEERS)

2409

cert_type = gnutls.certificate_type_get2(session._c_object,

2410

gnutls.CTYPE_PEERS)

2450

2411

except AttributeError:

2451

cert_type = gnutls.certificate_type_get(session)

2412

cert_type = gnutls.certificate_type_get(session._c_object)

2452

2413

if gnutls.has_rawpk:

2453

2414

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2454

2415

else:

2455

2416

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2456

2417

# If not a valid certificate type...

2457

2418

if cert_type not in valid_cert_types:

2458

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

2459

valid_cert_types)

2419

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

2420

valid_cert_types)

2460

2421

# ...return invalid data

2461

2422

return b""

2462

2423

list_size = ctypes.c_uint(1)

2463

2424

cert_list = (gnutls.certificate_get_peers

2464

(session, ctypes.byref(list_size)))

2425

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

2465

2426

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

2466

2427

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

2467

2428

if list_size.value == 0:

2489

2450

buf = ctypes.create_string_buffer(32)

2490

2451

buf_len = ctypes.c_size_t(len(buf))

2491

2452

# 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))

2453

gnutls.pubkey_get_key_id(pubkey,

2454

gnutls.KEYID_USE_SHA256,

2455

ctypes.cast(ctypes.byref(buf),

2456

ctypes.POINTER(ctypes.c_ubyte)),

2457

ctypes.byref(buf_len))

2498

2458

# Deinit the certificate

2499

2459

gnutls.pubkey_deinit(pubkey)

2500

2460

2581

2541

2582

2542

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2583

2543

socketserver.TCPServer):

2584

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

2544

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

2585

2545

2586

2546

Attributes:

2587

2547

enabled: Boolean; whether this server is activated yet

2638

2598

if SO_BINDTODEVICE is None:

2639

2599

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

2640

2600

# common enough.

2641

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

2601

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

2642

2602

SO_BINDTODEVICE = 25

2643

2603

try:

2644

2604

self.socket.setsockopt(

2646

2606

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

2647

2607

except socket.error as error:

2648

2608

if error.errno == errno.EPERM:

2649

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

2650

self.interface)

2609

logger.error("No permission to bind to"

2610

" interface %s", self.interface)

2651

2611

elif error.errno == errno.ENOPROTOOPT:

2652

log.error("SO_BINDTODEVICE not available; cannot"

2653

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

2612

logger.error("SO_BINDTODEVICE not available;"

2613

" cannot bind to interface %s",

2614

self.interface)

2654

2615

elif error.errno == errno.ENODEV:

2655

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

2656

" bind", self.interface)

2616

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

2617

" cannot bind", self.interface)

2657

2618

else:

2658

2619

raise

2659

2620

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

2738

2699

request = parent_pipe.recv()

2739

2700

command = request[0]

2740

2701

2741

if command == "init":

2702

if command == 'init':

2742

2703

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

2743

2704

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

2744

2705

address = request[3]

2745

2706

2746

2707

for c in self.clients.values():

2747

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2748

"27AE41E4649B934CA495991B7852B855"):

2708

if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":

2749

2709

continue

2750

2710

if key_id and c.key_id == key_id:

2751

2711

client = c

2754

2714

client = c

2755

2715

break

2756

2716

else:

2757

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

2758

" %s", key_id or fpr, address)

2717

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

2718

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

2759

2719

if self.use_dbus:

2760

2720

# Emit D-Bus signal

2761

2721

mandos_dbus_service.ClientNotFound(key_id or fpr,

2774

2734

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

2775

2735

# same fileno

2776

2736

return False

2777

if command == "funcall":

2737

if command == 'funcall':

2778

2738

funcname = request[1]

2779

2739

args = request[2]

2780

2740

kwargs = request[3]

2781

2741

2782

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

2742

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

2783

2743

funcname)(*args,

2784

2744

**kwargs)))

2785

2745

2786

if command == "getattr":

2746

if command == 'getattr':

2787

2747

attrname = request[1]

2788

2748

if isinstance(client_object.__getattribute__(attrname),

2789

collections.abc.Callable):

2790

parent_pipe.send(("function", ))

2749

collections.Callable):

2750

parent_pipe.send(('function', ))

2791

2751

else:

2792

2752

parent_pipe.send((

2793

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

2753

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

2794

2754

2795

if command == "setattr":

2755

if command == 'setattr':

2796

2756

attrname = request[1]

2797

2757

value = request[2]

2798

2758

setattr(client_object, attrname, value)

2803

2763

def rfc3339_duration_to_delta(duration):

2804

2764

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

2805

2765

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

2766

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

2767

True

2768

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

2769

True

2770

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

2771

True

2772

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

2773

True

2774

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

2775

True

2776

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

2777

True

2778

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

2779

True

2822

2780

"""

2823

2781

2824

2782

# Parsing an RFC 3339 duration with regular expressions is not

2904

2862

def string_to_delta(interval):

2905

2863

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

2906

2864

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)

2865

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

2866

True

2867

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

2868

True

2869

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

2870

True

2871

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

2872

True

2873

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

2874

True

2875

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

2918

2876

True

2919

2877

"""

2920

2878

3124

3082

3125

3083

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

3126

3084

syslogger.setFormatter(

3127

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

3128

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

3085

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

3086

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

3129

3087

server_settings["servicename"])))

3130

3088

3131

3089

# Parse config file with clients

3155

3113

try:

3156

3114

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

3157

3115

except IOError as e:

3158

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

3159

exc_info=e)

3116

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

3117

exc_info=e)

3160

3118

3161

3119

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

3162

3120

("mandos", "mandos"),

3173

3131

try:

3174

3132

os.setgid(gid)

3175

3133

os.setuid(uid)

3176

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

3134

if debug:

3135

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

3136

gid))

3177

3137

except OSError as error:

3178

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

3179

os.strerror(error.errno))

3138

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

3139

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

3180

3140

if error.errno != errno.EPERM:

3181

3141

raise

3182

3142

3189

3149

3190

3150

@gnutls.log_func

3191

3151

def debug_gnutls(level, string):

3192

log.debug("GnuTLS: %s",

3193

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

3152

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

3194

3153

3195

3154

gnutls.global_set_log_function(debug_gnutls)

3196

3155

3225

3184

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

3226

3185

do_not_queue=True)

3227

3186

except dbus.exceptions.DBusException as e:

3228

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

3187

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

3229

3188

use_dbus = False

3230

3189

server_settings["use_dbus"] = False

3231

3190

tcp_server.use_dbus = False

3316

3275

os.remove(stored_state_path)

3317

3276

except IOError as e:

3318

3277

if e.errno == errno.ENOENT:

3319

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

3320

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

3278

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

3279

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

3321

3280

else:

3322

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

3323

exc_info=e)

3281

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

3282

exc_info=e)

3324

3283

raise

3325

3284

except EOFError as e:

3326

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

3327

exc_info=e)

3285

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

3286

"EOFError:",

3287

exc_info=e)

3328

3288

3329

3289

with PGPEngine() as pgp:

3330

3290

for client_name, client in clients_data.items():

3357

3317

if client["enabled"]:

3358

3318

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

3359

3319

if not client["last_checked_ok"]:

3360

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

3361

" never performed a successful"

3362

" checker", client_name)

3320

logger.warning(

3321

"disabling client {} - Client never "

3322

"performed a successful checker".format(

3323

client_name))

3363

3324

client["enabled"] = False

3364

3325

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"])

3326

logger.warning(

3327

"disabling client {} - Client last"

3328

" checker failed with error code"

3329

" {}".format(

3330

client_name,

3331

client["last_checker_status"]))

3369

3332

client["enabled"] = False

3370

3333

else:

3371

3334

client["expires"] = (

3372

3335

datetime.datetime.utcnow()

3373

3336

+ client["timeout"])

3374

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

3375

" enabled", client_name)

3337

logger.debug("Last checker succeeded,"

3338

" keeping {} enabled".format(

3339

client_name))

3376

3340

try:

3377

3341

client["secret"] = pgp.decrypt(

3378

3342

client["encrypted_secret"],

3379

3343

client_settings[client_name]["secret"])

3380

3344

except PGPError:

3381

3345

# If decryption fails, we use secret from new settings

3382

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

3383

client_name)

3346

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

3347

client_name))

3384

3348

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

3385

3349

["secret"])

3386

3350

3400

3364

server_settings=server_settings)

3401

3365

3402

3366

if not tcp_server.clients:

3403

log.warning("No clients defined")

3367

logger.warning("No clients defined")

3404

3368

3405

3369

if not foreground:

3406

3370

if pidfile is not None:

3409

3373

with pidfile:

3410

3374

print(pid, file=pidfile)

3411

3375

except IOError:

3412

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

3413

pidfilename, pid)

3376

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

3377

pidfilename, pid)

3414

3378

del pidfile

3415

3379

del pidfilename

3416

3380

3566

3530

3567

3531

try:

3568

3532

with tempfile.NamedTemporaryFile(

3569

mode="wb",

3533

mode='wb',

3570

3534

suffix=".pickle",

3571

prefix="clients-",

3535

prefix='clients-',

3572

3536

dir=os.path.dirname(stored_state_path),

3573

3537

delete=False) as stored_state:

3574

3538

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

3582

3546

except NameError:

3583

3547

pass

3584

3548

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

3585

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

3586

os.strerror(e.errno))

3549

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

3550

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

3587

3551

else:

3588

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

3589

exc_info=e)

3552

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

3553

exc_info=e)

3590

3554

raise

3591

3555

3592

3556

# Delete all clients, and settings from config

3618

3582

if zeroconf:

3619

3583

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

3620

3584

if use_ipv6:

3621

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

3622

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

3585

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

3586

" flowinfo %d, scope_id %d",

3587

*tcp_server.socket.getsockname())

3623

3588

else: # IPv4

3624

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

3625

*tcp_server.socket.getsockname())

3589

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

3590

*tcp_server.socket.getsockname())

3626

3591

3627

3592

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

3628

3593

3632

3597

try:

3633

3598

service.activate()

3634

3599

except dbus.exceptions.DBusException as error:

3635

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

3600

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

3636

3601

cleanup()

3637

3602

sys.exit(1)

3638

3603

# End of Avahi example code

3643

3608

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

3644

3609

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

3645

3610

3646

log.debug("Starting main loop")

3611

logger.debug("Starting main loop")

3647

3612

main_loop.run()

3648

3613

except AvahiError as error:

3649

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

3614

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

3650

3615

cleanup()

3651

3616

sys.exit(1)

3652

3617

except KeyboardInterrupt:

3653

3618

if debug:

3654

3619

print("", file=sys.stderr)

3655

log.debug("Server received KeyboardInterrupt")

3656

log.debug("Server exiting")

3620

logger.debug("Server received KeyboardInterrupt")

3621

logger.debug("Server exiting")

3657

3622

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

3658

3623

cleanup()

3659

3624

3660

3625

3661

def parse_test_args():

3662

# type: () -> argparse.Namespace

3626

def should_only_run_tests():

3663

3627

parser = argparse.ArgumentParser(add_help=False)

3664

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

3665

parser.add_argument("--prefix", )

3628

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

3666

3629

args, unknown_args = parser.parse_known_args()

3667

if args.check:

3668

# Remove test options from sys.argv

3630

run_tests = args.check

3631

if run_tests:

3632

# Remove --check argument from sys.argv

3669

3633

sys.argv[1:] = unknown_args

3670

return args

3634

return run_tests

3671

3635

3672

3636

# Add all tests from doctest strings

3673

3637

def load_tests(loader, tests, none):

3675

3639

tests.addTests(doctest.DocTestSuite())

3676

3640

return tests

3677

3641

3678

if __name__ == "__main__":

3679

options = parse_test_args()

3642

if __name__ == '__main__':

3680

3643

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=[""])

3644

if should_only_run_tests():

3645

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

3646

unittest.main()

3693

3647

else:

3694

3648

main()

3695

3649

finally:

3696

3650

logging.shutdown()

3697

3698

# Local Variables:

3699

# run-tests:

3700

# (lambda (&optional extra)

3701

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

3702

# extra))

3703

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

3704

# (funcall remove-test-window)

3705

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

3706

# run-tests-in-test-buffer:

3707

# (lambda (dir &optional extra)

3708

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

3709

# (setq buffer-read-only nil

3710

# default-directory dir)

3711

# (erase-buffer)

3712

# (compilation-mode))

3713

# (let ((process-result

3714

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

3715

# (process-file-shell-command

3716

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

3717

# (and (numberp process-result)

3718

# (= process-result 0))))

3719

# get-command-line:

3720

# (lambda (&optional extra)

3721

# (let ((quoted-script

3722

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

3723

# (format

3724

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

3725

# quoted-script)))

3726

# get-script-name:

3727

# (lambda ()

3728

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

3729

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

3730

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

3731

# (buffer-file-name))))

3732

# remove-test-window:

3733

# (lambda ()

3734

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

3735

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

3736

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

3737

# (lambda ()

3738

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

3739

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

3740

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

3741

# (display-buffer-overriding-action

3742

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

3743

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

3744

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

3745

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

3746

# eval:

3747

# (progn

3748

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

3749

# (funcall run-tests t)))

3750

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

3751

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

3752

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

3753

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

3754

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

3755

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

3756

# End: