/mandos/trunk : revision 1266

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#!/usr/bin/python3 -bI

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

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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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# No value found

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SO_BINDTODEVICE = None

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if sys.version_info.major == 2:

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str = unicode

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if sys.version_info < (3, 2):

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configparser.Configparser = configparser.SafeConfigParser

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version = "1.8.9"

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version = "1.8.15"

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stored_state_file = "clients.pickle"

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logger = logging.getLogger()

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

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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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logger.addHandler(syslogger)

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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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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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logger.addHandler(console)

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logger.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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log.addHandler(console)

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

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self.name)

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

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

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return self.rename(remove=False)

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else:

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

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

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

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if state == avahi.ENTRY_GROUP_ESTABLISHED:

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logger.debug("Zeroconf service established.")

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log.debug("Zeroconf service established.")

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elif state == avahi.ENTRY_GROUP_COLLISION:

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

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

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str(error))

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log.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"""

463

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

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log.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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logger.error(bad_states[state])

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log.error(bad_states[state])

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else:

475

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

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log.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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logger.info("Local Zeroconf service name"

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" collision.")

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

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return self.rename(remove=False)

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else:

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

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

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

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else:

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

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

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510

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, **kwargs)

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

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**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

550

class session_int(ctypes.Structure):

565

class _session_int(ctypes.Structure):

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566

_fields_ = []

552

session_t = ctypes.POINTER(session_int)

567

session_t = ctypes.POINTER(_session_int)

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568

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569

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):

561

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

562

('size', ctypes.c_uint)]

576

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

577

("size", ctypes.c_uint)]

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578

564

class openpgp_crt_int(ctypes.Structure):

579

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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582

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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584

credentials_type_t = ctypes.c_int

578

593

# gnutls.strerror()

579

594

self.code = code

580

595

if message is None and code is not None:

581

message = gnutls.strerror(code)

596

message = gnutls.strerror(code).decode(

597

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

582

598

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

583

599

message, *args)

584

600

585

601

class CertificateSecurityError(Error):

586

602

pass

587

603

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

588

629

# Classes

589

class Credentials:

630

class Credentials(With_from_param):

590

631

def __init__(self):

591

self._c_object = gnutls.certificate_credentials_t()

592

gnutls.certificate_allocate_credentials(

593

ctypes.byref(self._c_object))

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

594

634

self.type = gnutls.CRD_CERTIFICATE

595

635

596

636

def __del__(self):

597

gnutls.certificate_free_credentials(self._c_object)

637

gnutls.certificate_free_credentials(self)

598

638

599

class ClientSession:

639

class ClientSession(With_from_param):

600

640

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

601

self._c_object = gnutls.session_t()

641

self._as_parameter_ = gnutls.session_t()

602

642

gnutls_flags = gnutls.CLIENT

603

643

if gnutls.check_version(b"3.5.6"):

604

644

gnutls_flags |= gnutls.NO_TICKETS

605

645

if gnutls.has_rawpk:

606

646

gnutls_flags |= gnutls.ENABLE_RAWPK

607

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

647

gnutls.init(self, gnutls_flags)

608

648

del gnutls_flags

609

gnutls.set_default_priority(self._c_object)

610

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

611

gnutls.handshake_set_private_extensions(self._c_object,

612

True)

649

gnutls.set_default_priority(self)

650

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

651

gnutls.handshake_set_private_extensions(self, True)

613

652

self.socket = socket

614

653

if credentials is None:

615

654

credentials = gnutls.Credentials()

616

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

617

ctypes.cast(credentials._c_object,

618

ctypes.c_void_p))

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

619

657

self.credentials = credentials

620

658

621

659

def __del__(self):

622

gnutls.deinit(self._c_object)

660

gnutls.deinit(self)

623

661

624

662

def handshake(self):

625

return gnutls.handshake(self._c_object)

663

return gnutls.handshake(self)

626

664

627

665

def send(self, data):

628

666

data = bytes(data)

629

667

data_len = len(data)

630

668

while data_len > 0:

631

data_len -= gnutls.record_send(self._c_object,

632

data[-data_len:],

669

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

633

670

data_len)

634

671

635

672

def bye(self):

636

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

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

637

674

638

675

# Error handling functions

639

676

def _error_code(result):

640

677

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

641

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

642

if result >= 0:

678

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

679

if result >= gnutls.E_SUCCESS:

643

680

return result

644

681

if result == gnutls.E_NO_CERTIFICATE_FOUND:

645

682

raise gnutls.CertificateSecurityError(code=result)

646

683

raise gnutls.Error(code=result)

647

684

648

def _retry_on_error(result, func, arguments):

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

649

687

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

650

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

651

while result < 0:

688

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

689

while result < gnutls.E_SUCCESS:

652

690

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

653

691

return _error_code(result)

654

692

result = func(*arguments)

659

697

660

698

# Functions

661

699

priority_set_direct = _library.gnutls_priority_set_direct

662

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

663

701

ctypes.POINTER(ctypes.c_char_p)]

664

702

priority_set_direct.restype = _error_code

665

703

666

704

init = _library.gnutls_init

667

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

705

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

668

706

init.restype = _error_code

669

707

670

708

set_default_priority = _library.gnutls_set_default_priority

671

set_default_priority.argtypes = [session_t]

709

set_default_priority.argtypes = [ClientSession]

672

710

set_default_priority.restype = _error_code

673

711

674

712

record_send = _library.gnutls_record_send

675

record_send.argtypes = [session_t, ctypes.c_void_p,

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

676

714

ctypes.c_size_t]

677

715

record_send.restype = ctypes.c_ssize_t

678

716

record_send.errcheck = _retry_on_error

680

718

certificate_allocate_credentials = (

681

719

_library.gnutls_certificate_allocate_credentials)

682

720

certificate_allocate_credentials.argtypes = [

683

ctypes.POINTER(certificate_credentials_t)]

721

PointerTo(Credentials)]

684

722

certificate_allocate_credentials.restype = _error_code

685

723

686

724

certificate_free_credentials = (

687

725

_library.gnutls_certificate_free_credentials)

688

certificate_free_credentials.argtypes = [

689

certificate_credentials_t]

726

certificate_free_credentials.argtypes = [Credentials]

690

727

certificate_free_credentials.restype = None

691

728

692

729

handshake_set_private_extensions = (

693

730

_library.gnutls_handshake_set_private_extensions)

694

handshake_set_private_extensions.argtypes = [session_t,

731

handshake_set_private_extensions.argtypes = [ClientSession,

695

732

ctypes.c_int]

696

733

handshake_set_private_extensions.restype = None

697

734

698

735

credentials_set = _library.gnutls_credentials_set

699

credentials_set.argtypes = [session_t, credentials_type_t,

700

ctypes.c_void_p]

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

701

738

credentials_set.restype = _error_code

702

739

703

740

strerror = _library.gnutls_strerror

705

742

strerror.restype = ctypes.c_char_p

706

743

707

744

certificate_type_get = _library.gnutls_certificate_type_get

708

certificate_type_get.argtypes = [session_t]

745

certificate_type_get.argtypes = [ClientSession]

709

746

certificate_type_get.restype = _error_code

710

747

711

748

certificate_get_peers = _library.gnutls_certificate_get_peers

712

certificate_get_peers.argtypes = [session_t,

749

certificate_get_peers.argtypes = [ClientSession,

713

750

ctypes.POINTER(ctypes.c_uint)]

714

751

certificate_get_peers.restype = ctypes.POINTER(datum_t)

715

752

722

759

global_set_log_function.restype = None

723

760

724

761

deinit = _library.gnutls_deinit

725

deinit.argtypes = [session_t]

762

deinit.argtypes = [ClientSession]

726

763

deinit.restype = None

727

764

728

765

handshake = _library.gnutls_handshake

729

handshake.argtypes = [session_t]

730

handshake.restype = _error_code

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

731

768

handshake.errcheck = _retry_on_error

732

769

733

770

transport_set_ptr = _library.gnutls_transport_set_ptr

734

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

735

772

transport_set_ptr.restype = None

736

773

737

774

bye = _library.gnutls_bye

738

bye.argtypes = [session_t, close_request_t]

739

bye.restype = _error_code

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

740

777

bye.errcheck = _retry_on_error

741

778

742

779

check_version = _library.gnutls_check_version

759

796

760

797

x509_crt_fmt_t = ctypes.c_int

761

798

762

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

799

# All the function declarations below are from

800

# gnutls/abstract.h

763

801

pubkey_init = _library.gnutls_pubkey_init

764

802

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

765

803

pubkey_init.restype = _error_code

779

817

pubkey_deinit.argtypes = [pubkey_t]

780

818

pubkey_deinit.restype = None

781

819

else:

782

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

820

# All the function declarations below are from

821

# gnutls/openpgp.h

783

822

784

823

openpgp_crt_init = _library.gnutls_openpgp_crt_init

785

824

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

791

830

openpgp_crt_fmt_t]

792

831

openpgp_crt_import.restype = _error_code

793

832

794

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

795

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

796

ctypes.POINTER(ctypes.c_uint)]

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

]

797

840

openpgp_crt_verify_self.restype = _error_code

798

841

799

842

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

810

853

811

854

if check_version(b"3.6.4"):

812

855

certificate_type_get2 = _library.gnutls_certificate_type_get2

813

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

814

857

certificate_type_get2.restype = _error_code

815

858

816

859

# Remove non-public functions

832

875

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

833

876

834

877

Attributes:

835

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

878

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

836

879

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

837

880

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

838

881

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

839

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

882

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

840

883

running.

841

884

checker_callback_tag: a GLib event source tag, or None

842

885

checker_command: string; External command which is run to check

966

1009

self.last_enabled = None

967

1010

self.expires = None

968

1011

969

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

970

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

971

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

1012

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

1013

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

1014

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

972

1015

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

973

1016

datetime.datetime.utcnow())

974

1017

1013

1056

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

1014

1057

return False

1015

1058

if not quiet:

1016

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

1059

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

1017

1060

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

1018

1061

GLib.source_remove(self.disable_initiator_tag)

1019

1062

self.disable_initiator_tag = None

1037

1080

if self.checker_initiator_tag is not None:

1038

1081

GLib.source_remove(self.checker_initiator_tag)

1039

1082

self.checker_initiator_tag = GLib.timeout_add(

1040

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

1083

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

1084

+ 1)),

1041

1085

self.start_checker)

1042

1086

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

1043

1087

if self.disable_initiator_tag is not None:

1062

1106

self.last_checker_status = returncode

1063

1107

self.last_checker_signal = None

1064

1108

if self.last_checker_status == 0:

1065

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

1066

vars(self))

1109

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

1067

1110

self.checked_ok()

1068

1111

else:

1069

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

1112

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

1070

1113

else:

1071

1114

self.last_checker_status = -1

1072

1115

self.last_checker_signal = -returncode

1073

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

1074

vars(self))

1116

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

1075

1117

return False

1076

1118

1077

1119

def checked_ok(self):

1111

1153

# should be.

1112

1154

1113

1155

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

1114

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

1156

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

1115

1157

self.checker.join()

1116

1158

self.checker = None

1117

1159

# Start a new checker if needed

1118

1160

if self.checker is None:

1119

1161

# Escape attributes for the shell

1120

1162

escaped_attrs = {

1121

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

1163

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

1122

1164

for attr in self.runtime_expansions}

1123

1165

try:

1124

1166

command = self.checker_command % escaped_attrs

1125

1167

except TypeError as error:

1126

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

1127

self.checker_command,

1128

exc_info=error)

1168

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

1169

self.checker_command, exc_info=error)

1129

1170

return True # Try again later

1130

1171

self.current_checker_command = command

1131

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

1132

self.name)

1172

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

1133

1173

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

1134

1174

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

1135

1175

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

1164

1204

self.checker_callback_tag = None

1165

1205

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

1166

1206

return

1167

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

1207

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

1168

1208

self.checker.terminate()

1169

1209

self.checker = None

1170

1210

1197

1237

func._dbus_name = func.__name__

1198

1238

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

1199

1239

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

1200

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1240

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1201

1241

return func

1202

1242

1203

1243

return decorator

1292

1332

1293

1333

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1294

1334

out_signature="s",

1295

path_keyword='object_path',

1296

connection_keyword='connection')

1335

path_keyword="object_path",

1336

connection_keyword="connection")

1297

1337

def Introspect(self, object_path, connection):

1298

1338

"""Overloading of standard D-Bus method.

1299

1339

1348

1388

document.unlink()

1349

1389

except (AttributeError, xml.dom.DOMException,

1350

1390

xml.parsers.expat.ExpatError) as error:

1351

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

1352

exc_info=error)

1391

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

1392

exc_info=error)

1353

1393

return xmlstring

1354

1394

1355

1395

1413

1453

raise ValueError("Byte arrays not supported for non-"

1414

1454

"'ay' signature {!r}"

1415

1455

.format(prop._dbus_signature))

1416

value = dbus.ByteArray(b''.join(chr(byte)

1417

for byte in value))

1456

value = dbus.ByteArray(bytes(value))

1418

1457

prop(value)

1419

1458

1420

1459

@dbus.service.method(dbus.PROPERTIES_IFACE,

1453

1492

1454

1493

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1455

1494

out_signature="s",

1456

path_keyword='object_path',

1457

connection_keyword='connection')

1495

path_keyword="object_path",

1496

connection_keyword="connection")

1458

1497

def Introspect(self, object_path, connection):

1459

1498

"""Overloading of standard D-Bus method.

1460

1499

1516

1555

document.unlink()

1517

1556

except (AttributeError, xml.dom.DOMException,

1518

1557

xml.parsers.expat.ExpatError) as error:

1519

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

1520

exc_info=error)

1558

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

1559

exc_info=error)

1521

1560

return xmlstring

1522

1561

1523

1562

1555

1594

1556

1595

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1557

1596

out_signature="s",

1558

path_keyword='object_path',

1559

connection_keyword='connection')

1597

path_keyword="object_path",

1598

connection_keyword="connection")

1560

1599

def Introspect(self, object_path, connection):

1561

1600

"""Overloading of standard D-Bus method.

1562

1601

1587

1626

document.unlink()

1588

1627

except (AttributeError, xml.dom.DOMException,

1589

1628

xml.parsers.expat.ExpatError) as error:

1590

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

1591

exc_info=error)

1629

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

1630

exc_info=error)

1592

1631

return xmlstring

1593

1632

1594

1633

2228

2267

class ProxyClient:

2229

2268

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

2230

2269

self._pipe = child_pipe

2231

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

2270

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

2232

2271

if not self._pipe.recv():

2233

2272

raise KeyError(key_id or fpr)

2234

2273

2235

2274

def __getattribute__(self, name):

2236

if name == '_pipe':

2275

if name == "_pipe":

2237

2276

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

2238

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

2277

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

2239

2278

data = self._pipe.recv()

2240

if data[0] == 'data':

2279

if data[0] == "data":

2241

2280

return data[1]

2242

if data[0] == 'function':

2281

if data[0] == "function":

2243

2282

2244

2283

def func(*args, **kwargs):

2245

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

2284

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

2246

2285

return self._pipe.recv()[1]

2247

2286

2248

2287

return func

2249

2288

2250

2289

def __setattr__(self, name, value):

2251

if name == '_pipe':

2290

if name == "_pipe":

2252

2291

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

2253

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

2292

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

2254

2293

2255

2294

2256

2295

class ClientHandler(socketserver.BaseRequestHandler, object):

2261

2300

2262

2301

def handle(self):

2263

2302

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

2264

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

2265

str(self.client_address))

2266

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

2267

self.server.child_pipe.fileno())

2303

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

2304

str(self.client_address))

2305

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

2268

2306

2269

2307

session = gnutls.ClientSession(self.request)

2270

2308

2271

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

2309

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

2272

2310

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

2273

2311

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

2274

2312

# "+DHE-DSS"))

2276

2314

priority = self.server.gnutls_priority

2277

2315

if priority is None:

2278

2316

priority = "NORMAL"

2279

gnutls.priority_set_direct(session._c_object,

2280

priority.encode("utf-8"),

2281

None)

2317

gnutls.priority_set_direct(session,

2318

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

2282

2319

2283

2320

# Start communication using the Mandos protocol

2284

2321

# Get protocol number

2285

2322

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

2286

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

2323

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

2287

2324

try:

2288

2325

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

2289

2326

raise RuntimeError(line)

2290

2327

except (ValueError, IndexError, RuntimeError) as error:

2291

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

2328

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

2292

2329

return

2293

2330

2294

2331

# Start GnuTLS connection

2295

2332

try:

2296

2333

session.handshake()

2297

2334

except gnutls.Error as error:

2298

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

2335

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

2299

2336

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

2300

2337

# established. Just abandon the request.

2301

2338

return

2302

logger.debug("Handshake succeeded")

2339

log.debug("Handshake succeeded")

2303

2340

2304

2341

approval_required = False

2305

2342

try:

2309

2346

key_id = self.key_id(

2310

2347

self.peer_certificate(session))

2311

2348

except (TypeError, gnutls.Error) as error:

2312

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

2349

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

2313

2350

return

2314

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

2351

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

2352

key_id.decode("utf-8",

2353

errors="replace"))

2315

2354

2316

2355

else:

2317

2356

key_id = b""

2319

2358

fpr = self.fingerprint(

2320

2359

self.peer_certificate(session))

2321

2360

except (TypeError, gnutls.Error) as error:

2322

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

2361

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

2323

2362

return

2324

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

2363

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

2325

2364

2326

2365

try:

2327

2366

client = ProxyClient(child_pipe, key_id, fpr,

2336

2375

2337

2376

while True:

2338

2377

if not client.enabled:

2339

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

2340

client.name)

2378

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

2341

2379

if self.server.use_dbus:

2342

2380

# Emit D-Bus signal

2343

2381

client.Rejected("Disabled")

2347

2385

# We are approved or approval is disabled

2348

2386

break

2349

2387

elif client.approved is None:

2350

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

2351

client.name)

2388

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

2389

client.name)

2352

2390

if self.server.use_dbus:

2353

2391

# Emit D-Bus signal

2354

2392

client.NeedApproval(

2355

2393

client.approval_delay.total_seconds()

2356

2394

* 1000, client.approved_by_default)

2357

2395

else:

2358

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

2359

client.name)

2396

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

2397

client.name)

2360

2398

if self.server.use_dbus:

2361

2399

# Emit D-Bus signal

2362

2400

client.Rejected("Denied")

2370

2408

time2 = datetime.datetime.now()

2371

2409

if (time2 - time) >= delay:

2372

2410

if not client.approved_by_default:

2373

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

2374

" waiting for approval",

2375

client.name)

2411

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

2412

" waiting for approval",

2413

client.name)

2376

2414

if self.server.use_dbus:

2377

2415

# Emit D-Bus signal

2378

2416

client.Rejected("Approval timed out")

2385

2423

try:

2386

2424

session.send(client.secret)

2387

2425

except gnutls.Error as error:

2388

logger.warning("gnutls send failed",

2389

exc_info=error)

2426

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

2390

2427

return

2391

2428

2392

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

2429

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

2393

2430

# bump the timeout using extended_timeout

2394

2431

client.bump_timeout(client.extended_timeout)

2395

2432

if self.server.use_dbus:

2402

2439

try:

2403

2440

session.bye()

2404

2441

except gnutls.Error as error:

2405

logger.warning("GnuTLS bye failed",

2406

exc_info=error)

2442

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

2407

2443

2408

2444

@staticmethod

2409

2445

def peer_certificate(session):

2410

2446

"Return the peer's certificate as a bytestring"

2411

2447

try:

2412

cert_type = gnutls.certificate_type_get2(session._c_object,

2413

gnutls.CTYPE_PEERS)

2448

cert_type = gnutls.certificate_type_get2(

2449

session, gnutls.CTYPE_PEERS)

2414

2450

except AttributeError:

2415

cert_type = gnutls.certificate_type_get(session._c_object)

2451

cert_type = gnutls.certificate_type_get(session)

2416

2452

if gnutls.has_rawpk:

2417

2453

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2418

2454

else:

2419

2455

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2420

2456

# If not a valid certificate type...

2421

2457

if cert_type not in valid_cert_types:

2422

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

2423

valid_cert_types)

2458

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

2459

valid_cert_types)

2424

2460

# ...return invalid data

2425

2461

return b""

2426

2462

list_size = ctypes.c_uint(1)

2427

2463

cert_list = (gnutls.certificate_get_peers

2428

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

2464

(session, ctypes.byref(list_size)))

2429

2465

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

2430

2466

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

2431

2467

if list_size.value == 0:

2453

2489

buf = ctypes.create_string_buffer(32)

2454

2490

buf_len = ctypes.c_size_t(len(buf))

2455

2491

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

2456

gnutls.pubkey_get_key_id(pubkey,

2457

gnutls.KEYID_USE_SHA256,

2458

ctypes.cast(ctypes.byref(buf),

2459

ctypes.POINTER(ctypes.c_ubyte)),

2460

ctypes.byref(buf_len))

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))

2461

2498

# Deinit the certificate

2462

2499

gnutls.pubkey_deinit(pubkey)

2463

2500

2544

2581

2545

2582

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2546

2583

socketserver.TCPServer):

2547

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

2584

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

2548

2585

2549

2586

Attributes:

2550

2587

enabled: Boolean; whether this server is activated yet

2601

2638

if SO_BINDTODEVICE is None:

2602

2639

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

2603

2640

# common enough.

2604

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

2641

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

2605

2642

SO_BINDTODEVICE = 25

2606

2643

try:

2607

2644

self.socket.setsockopt(

2609

2646

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

2610

2647

except socket.error as error:

2611

2648

if error.errno == errno.EPERM:

2612

logger.error("No permission to bind to"

2613

" interface %s", self.interface)

2649

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

2650

self.interface)

2614

2651

elif error.errno == errno.ENOPROTOOPT:

2615

logger.error("SO_BINDTODEVICE not available;"

2616

" cannot bind to interface %s",

2617

self.interface)

2652

log.error("SO_BINDTODEVICE not available; cannot"

2653

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

2618

2654

elif error.errno == errno.ENODEV:

2619

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

2620

" cannot bind", self.interface)

2655

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

2656

" bind", self.interface)

2621

2657

else:

2622

2658

raise

2623

2659

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

2702

2738

request = parent_pipe.recv()

2703

2739

command = request[0]

2704

2740

2705

if command == 'init':

2741

if command == "init":

2706

2742

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

2707

2743

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

2708

2744

address = request[3]

2709

2745

2710

2746

for c in self.clients.values():

2711

if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":

2747

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2748

"27AE41E4649B934CA495991B7852B855"):

2712

2749

continue

2713

2750

if key_id and c.key_id == key_id:

2714

2751

client = c

2717

2754

client = c

2718

2755

break

2719

2756

else:

2720

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

2721

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

2757

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

2758

" %s", key_id or fpr, address)

2722

2759

if self.use_dbus:

2723

2760

# Emit D-Bus signal

2724

2761

mandos_dbus_service.ClientNotFound(key_id or fpr,

2737

2774

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

2738

2775

# same fileno

2739

2776

return False

2740

if command == 'funcall':

2777

if command == "funcall":

2741

2778

funcname = request[1]

2742

2779

args = request[2]

2743

2780

kwargs = request[3]

2744

2781

2745

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

2782

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

2746

2783

funcname)(*args,

2747

2784

**kwargs)))

2748

2785

2749

if command == 'getattr':

2786

if command == "getattr":

2750

2787

attrname = request[1]

2751

2788

if isinstance(client_object.__getattribute__(attrname),

2752

collections.Callable):

2753

parent_pipe.send(('function', ))

2789

collections.abc.Callable):

2790

parent_pipe.send(("function", ))

2754

2791

else:

2755

2792

parent_pipe.send((

2756

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

2793

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

2757

2794

2758

if command == 'setattr':

2795

if command == "setattr":

2759

2796

attrname = request[1]

2760

2797

value = request[2]

2761

2798

setattr(client_object, attrname, value)

2766

2803

def rfc3339_duration_to_delta(duration):

2767

2804

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

2768

2805

2769

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

2770

True

2771

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

2772

True

2773

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

2774

True

2775

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

2776

True

2777

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

2778

True

2779

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

2780

True

2781

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

2782

True

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

2783

2822

"""

2784

2823

2785

2824

# Parsing an RFC 3339 duration with regular expressions is not

2865

2904

def string_to_delta(interval):

2866

2905

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

2867

2906

2868

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

2869

True

2870

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

2871

True

2872

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

2873

True

2874

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

2875

True

2876

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

2877

True

2878

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

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)

2879

2918

True

2880

2919

"""

2881

2920

3085

3124

3086

3125

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

3087

3126

syslogger.setFormatter(

3088

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

3089

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

3127

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

3128

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

3090

3129

server_settings["servicename"])))

3091

3130

3092

3131

# Parse config file with clients

3116

3155

try:

3117

3156

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

3118

3157

except IOError as e:

3119

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

3120

exc_info=e)

3158

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

3159

exc_info=e)

3121

3160

3122

3161

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

3123

3162

("mandos", "mandos"),

3134

3173

try:

3135

3174

os.setgid(gid)

3136

3175

os.setuid(uid)

3137

if debug:

3138

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

3139

gid))

3176

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

3140

3177

except OSError as error:

3141

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

3142

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

3178

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

3179

os.strerror(error.errno))

3143

3180

if error.errno != errno.EPERM:

3144

3181

raise

3145

3182

3152

3189

3153

3190

@gnutls.log_func

3154

3191

def debug_gnutls(level, string):

3155

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

3192

log.debug("GnuTLS: %s",

3193

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

3156

3194

3157

3195

gnutls.global_set_log_function(debug_gnutls)

3158

3196

3187

3225

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

3188

3226

do_not_queue=True)

3189

3227

except dbus.exceptions.DBusException as e:

3190

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

3228

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

3191

3229

use_dbus = False

3192

3230

server_settings["use_dbus"] = False

3193

3231

tcp_server.use_dbus = False

3278

3316

os.remove(stored_state_path)

3279

3317

except IOError as e:

3280

3318

if e.errno == errno.ENOENT:

3281

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

3282

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

3319

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

3320

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

3283

3321

else:

3284

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

3285

exc_info=e)

3322

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

3323

exc_info=e)

3286

3324

raise

3287

3325

except EOFError as e:

3288

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

3289

"EOFError:",

3290

exc_info=e)

3326

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

3327

exc_info=e)

3291

3328

3292

3329

with PGPEngine() as pgp:

3293

3330

for client_name, client in clients_data.items():

3320

3357

if client["enabled"]:

3321

3358

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

3322

3359

if not client["last_checked_ok"]:

3323

logger.warning(

3324

"disabling client {} - Client never "

3325

"performed a successful checker".format(

3326

client_name))

3360

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

3361

" never performed a successful"

3362

" checker", client_name)

3327

3363

client["enabled"] = False

3328

3364

elif client["last_checker_status"] != 0:

3329

logger.warning(

3330

"disabling client {} - Client last"

3331

" checker failed with error code"

3332

" {}".format(

3333

client_name,

3334

client["last_checker_status"]))

3365

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

3366

" last checker failed with error"

3367

" code %s", client_name,

3368

client["last_checker_status"])

3335

3369

client["enabled"] = False

3336

3370

else:

3337

3371

client["expires"] = (

3338

3372

datetime.datetime.utcnow()

3339

3373

+ client["timeout"])

3340

logger.debug("Last checker succeeded,"

3341

" keeping {} enabled".format(

3342

client_name))

3374

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

3375

" enabled", client_name)

3343

3376

try:

3344

3377

client["secret"] = pgp.decrypt(

3345

3378

client["encrypted_secret"],

3346

3379

client_settings[client_name]["secret"])

3347

3380

except PGPError:

3348

3381

# If decryption fails, we use secret from new settings

3349

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

3350

client_name))

3382

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

3383

client_name)

3351

3384

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

3352

3385

["secret"])

3353

3386

3367

3400

server_settings=server_settings)

3368

3401

3369

3402

if not tcp_server.clients:

3370

logger.warning("No clients defined")

3403

log.warning("No clients defined")

3371

3404

3372

3405

if not foreground:

3373

3406

if pidfile is not None:

3376

3409

with pidfile:

3377

3410

print(pid, file=pidfile)

3378

3411

except IOError:

3379

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

3380

pidfilename, pid)

3412

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

3413

pidfilename, pid)

3381

3414

del pidfile

3382

3415

del pidfilename

3383

3416

3533

3566

3534

3567

try:

3535

3568

with tempfile.NamedTemporaryFile(

3536

mode='wb',

3569

mode="wb",

3537

3570

suffix=".pickle",

3538

prefix='clients-',

3571

prefix="clients-",

3539

3572

dir=os.path.dirname(stored_state_path),

3540

3573

delete=False) as stored_state:

3541

3574

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

3549

3582

except NameError:

3550

3583

pass

3551

3584

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

3552

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

3553

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

3585

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

3586

os.strerror(e.errno))

3554

3587

else:

3555

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

3556

exc_info=e)

3588

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

3589

exc_info=e)

3557

3590

raise

3558

3591

3559

3592

# Delete all clients, and settings from config

3585

3618

if zeroconf:

3586

3619

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

3587

3620

if use_ipv6:

3588

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

3589

" flowinfo %d, scope_id %d",

3590

*tcp_server.socket.getsockname())

3621

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

3622

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

3591

3623

else: # IPv4

3592

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

3593

*tcp_server.socket.getsockname())

3624

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

3625

*tcp_server.socket.getsockname())

3594

3626

3595

3627

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

3596

3628

3600

3632

try:

3601

3633

service.activate()

3602

3634

except dbus.exceptions.DBusException as error:

3603

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

3635

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

3604

3636

cleanup()

3605

3637

sys.exit(1)

3606

3638

# End of Avahi example code

3611

3643

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

3612

3644

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

3613

3645

3614

logger.debug("Starting main loop")

3646

log.debug("Starting main loop")

3615

3647

main_loop.run()

3616

3648

except AvahiError as error:

3617

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

3649

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

3618

3650

cleanup()

3619

3651

sys.exit(1)

3620

3652

except KeyboardInterrupt:

3621

3653

if debug:

3622

3654

print("", file=sys.stderr)

3623

logger.debug("Server received KeyboardInterrupt")

3624

logger.debug("Server exiting")

3655

log.debug("Server received KeyboardInterrupt")

3656

log.debug("Server exiting")

3625

3657

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

3626

3658

cleanup()

3627

3659

3628

3660

3629

def should_only_run_tests():

3661

def parse_test_args():

3662

# type: () -> argparse.Namespace

3630

3663

parser = argparse.ArgumentParser(add_help=False)

3631

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

3664

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

3665

parser.add_argument("--prefix", )

3632

3666

args, unknown_args = parser.parse_known_args()

3633

run_tests = args.check

3634

if run_tests:

3635

# Remove --check argument from sys.argv

3667

if args.check:

3668

# Remove test options from sys.argv

3636

3669

sys.argv[1:] = unknown_args

3637

return run_tests

3670

return args

3638

3671

3639

3672

# Add all tests from doctest strings

3640

3673

def load_tests(loader, tests, none):

3642

3675

tests.addTests(doctest.DocTestSuite())

3643

3676

return tests

3644

3677

3645

if __name__ == '__main__':

3678

if __name__ == "__main__":

3679

options = parse_test_args()

3646

3680

try:

3647

if should_only_run_tests():

3648

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

3649

unittest.main()

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=[""])

3650

3693

else:

3651

3694

main()

3652

3695

finally:

3653

3696

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: