/mandos/trunk : revision 1234

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#!/usr/bin/python3 -bI

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

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

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#

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

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#

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# "AvahiService" class, and some lines in "main".

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#

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# Everything else is

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#

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# This file is part of Mandos.

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#

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#

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

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#

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from __future__ import (division, absolute_import, print_function,

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unicode_literals)

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except ImportError:

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pass

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import sys

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import unittest

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import argparse

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import logging

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import os

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try:

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import SocketServer as socketserver

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except ImportError:

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import socketserver

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import socket

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import argparse

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import datetime

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import errno

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try:

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import ConfigParser as configparser

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except ImportError:

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import configparser

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import sys

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import re

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import os

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import signal

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import subprocess

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import atexit

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import stat

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import logging

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import logging.handlers

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import pwd

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import contextlib

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import itertools

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import collections

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import codecs

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import unittest

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import random

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import shlex

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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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except AttributeError:

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shlex.quote = re.escape

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# Add os.set_inheritable if it does not exist

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try:

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os.set_inheritable

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except AttributeError:

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def set_inheritable(fd, inheritable):

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flags = fcntl.fcntl(fd, fcntl.F_GETFD)

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if inheritable and ((flags & fcntl.FD_CLOEXEC) != 0):

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fcntl.fcntl(fd, fcntl.F_SETFL, flags & ~fcntl.FD_CLOEXEC)

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elif (not inheritable) and ((flags & fcntl.FD_CLOEXEC) == 0):

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fcntl.fcntl(fd, fcntl.F_SETFL, flags | fcntl.FD_CLOEXEC)

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os.set_inheritable = set_inheritable

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del set_inheritable

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# Show warnings by default

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if not sys.warnoptions:

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import warnings

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if sys.version_info < (3, 2):

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configparser.Configparser = configparser.SafeConfigParser

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version = "1.8.18"

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version = "1.8.13"

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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"):

426

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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450

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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"""

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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:

519

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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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

578

class _session_int(ctypes.Structure):

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class session_int(ctypes.Structure):

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_fields_ = []

580

session_t = ctypes.POINTER(_session_int)

568

session_t = ctypes.POINTER(session_int)

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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):

589

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

590

("size", ctypes.c_uint)]

577

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

578

('size', ctypes.c_uint)]

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579

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class _openpgp_crt_int(ctypes.Structure):

580

class openpgp_crt_int(ctypes.Structure):

593

581

_fields_ = []

594

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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584

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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594

# gnutls.strerror()

607

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self.code = code

608

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if message is None and code is not None:

609

message = gnutls.strerror(code).decode(

610

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

597

message = gnutls.strerror(code)

611

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

612

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message, *args)

613

600

614

601

class CertificateSecurityError(Error):

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pass

616

603

617

class PointerTo:

618

def __init__(self, cls):

619

self.cls = cls

620

621

def from_param(self, obj):

622

if not isinstance(obj, self.cls):

623

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

624

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

625

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

626

627

class CastToVoidPointer:

628

def __init__(self, cls):

629

self.cls = cls

630

631

def from_param(self, obj):

632

if not isinstance(obj, self.cls):

633

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

634

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

635

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

636

637

class With_from_param:

638

@classmethod

639

def from_param(cls, obj):

640

return obj._as_parameter_

641

642

604

# Classes

643

class Credentials(With_from_param):

605

class Credentials:

644

606

def __init__(self):

645

self._as_parameter_ = gnutls.certificate_credentials_t()

646

gnutls.certificate_allocate_credentials(self)

607

self._c_object = gnutls.certificate_credentials_t()

608

gnutls.certificate_allocate_credentials(

609

ctypes.byref(self._c_object))

647

610

self.type = gnutls.CRD_CERTIFICATE

648

611

649

612

def __del__(self):

650

gnutls.certificate_free_credentials(self)

613

gnutls.certificate_free_credentials(self._c_object)

651

614

652

class ClientSession(With_from_param):

615

class ClientSession:

653

616

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

654

self._as_parameter_ = gnutls.session_t()

617

self._c_object = gnutls.session_t()

655

618

gnutls_flags = gnutls.CLIENT

656

619

if gnutls.check_version(b"3.5.6"):

657

620

gnutls_flags |= gnutls.NO_TICKETS

658

621

if gnutls.has_rawpk:

659

622

gnutls_flags |= gnutls.ENABLE_RAWPK

660

gnutls.init(self, gnutls_flags)

623

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

661

624

del gnutls_flags

662

gnutls.set_default_priority(self)

663

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

664

gnutls.handshake_set_private_extensions(self, True)

625

gnutls.set_default_priority(self._c_object)

626

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

627

gnutls.handshake_set_private_extensions(self._c_object,

628

True)

665

629

self.socket = socket

666

630

if credentials is None:

667

631

credentials = gnutls.Credentials()

668

gnutls.credentials_set(self, credentials.type,

669

credentials)

632

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

633

ctypes.cast(credentials._c_object,

634

ctypes.c_void_p))

670

635

self.credentials = credentials

671

636

672

637

def __del__(self):

673

gnutls.deinit(self)

638

gnutls.deinit(self._c_object)

674

639

675

640

def handshake(self):

676

return gnutls.handshake(self)

641

return gnutls.handshake(self._c_object)

677

642

678

643

def send(self, data):

679

644

data = bytes(data)

680

645

data_len = len(data)

681

646

while data_len > 0:

682

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

647

data_len -= gnutls.record_send(self._c_object,

648

data[-data_len:],

683

649

data_len)

684

650

685

651

def bye(self):

686

return gnutls.bye(self, gnutls.SHUT_RDWR)

652

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

687

653

688

654

# Error handling functions

689

655

def _error_code(result):

690

656

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

691

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

692

if result >= gnutls.E_SUCCESS:

657

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

658

if result >= 0:

693

659

return result

694

660

if result == gnutls.E_NO_CERTIFICATE_FOUND:

695

661

raise gnutls.CertificateSecurityError(code=result)

696

662

raise gnutls.Error(code=result)

697

663

698

def _retry_on_error(result, func, arguments,

699

_error_code=_error_code):

664

def _retry_on_error(result, func, arguments):

700

665

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

701

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

702

while result < gnutls.E_SUCCESS:

666

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

667

while result < 0:

703

668

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

704

669

return _error_code(result)

705

670

result = func(*arguments)

710

675

711

676

# Functions

712

677

priority_set_direct = _library.gnutls_priority_set_direct

713

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

678

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

714

679

ctypes.POINTER(ctypes.c_char_p)]

715

680

priority_set_direct.restype = _error_code

716

681

717

682

init = _library.gnutls_init

718

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

683

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

719

684

init.restype = _error_code

720

685

721

686

set_default_priority = _library.gnutls_set_default_priority

722

set_default_priority.argtypes = [ClientSession]

687

set_default_priority.argtypes = [session_t]

723

688

set_default_priority.restype = _error_code

724

689

725

690

record_send = _library.gnutls_record_send

726

record_send.argtypes = [ClientSession, ctypes.c_void_p,

691

record_send.argtypes = [session_t, ctypes.c_void_p,

727

692

ctypes.c_size_t]

728

693

record_send.restype = ctypes.c_ssize_t

729

694

record_send.errcheck = _retry_on_error

731

696

certificate_allocate_credentials = (

732

697

_library.gnutls_certificate_allocate_credentials)

733

698

certificate_allocate_credentials.argtypes = [

734

PointerTo(Credentials)]

699

ctypes.POINTER(certificate_credentials_t)]

735

700

certificate_allocate_credentials.restype = _error_code

736

701

737

702

certificate_free_credentials = (

738

703

_library.gnutls_certificate_free_credentials)

739

certificate_free_credentials.argtypes = [Credentials]

704

certificate_free_credentials.argtypes = [

705

certificate_credentials_t]

740

706

certificate_free_credentials.restype = None

741

707

742

708

handshake_set_private_extensions = (

743

709

_library.gnutls_handshake_set_private_extensions)

744

handshake_set_private_extensions.argtypes = [ClientSession,

710

handshake_set_private_extensions.argtypes = [session_t,

745

711

ctypes.c_int]

746

712

handshake_set_private_extensions.restype = None

747

713

748

714

credentials_set = _library.gnutls_credentials_set

749

credentials_set.argtypes = [ClientSession, credentials_type_t,

750

CastToVoidPointer(Credentials)]

715

credentials_set.argtypes = [session_t, credentials_type_t,

716

ctypes.c_void_p]

751

717

credentials_set.restype = _error_code

752

718

753

719

strerror = _library.gnutls_strerror

755

721

strerror.restype = ctypes.c_char_p

756

722

757

723

certificate_type_get = _library.gnutls_certificate_type_get

758

certificate_type_get.argtypes = [ClientSession]

724

certificate_type_get.argtypes = [session_t]

759

725

certificate_type_get.restype = _error_code

760

726

761

727

certificate_get_peers = _library.gnutls_certificate_get_peers

762

certificate_get_peers.argtypes = [ClientSession,

728

certificate_get_peers.argtypes = [session_t,

763

729

ctypes.POINTER(ctypes.c_uint)]

764

730

certificate_get_peers.restype = ctypes.POINTER(datum_t)

765

731

772

738

global_set_log_function.restype = None

773

739

774

740

deinit = _library.gnutls_deinit

775

deinit.argtypes = [ClientSession]

741

deinit.argtypes = [session_t]

776

742

deinit.restype = None

777

743

778

744

handshake = _library.gnutls_handshake

779

handshake.argtypes = [ClientSession]

780

handshake.restype = ctypes.c_int

745

handshake.argtypes = [session_t]

746

handshake.restype = _error_code

781

747

handshake.errcheck = _retry_on_error

782

748

783

749

transport_set_ptr = _library.gnutls_transport_set_ptr

784

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

750

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

785

751

transport_set_ptr.restype = None

786

752

787

753

bye = _library.gnutls_bye

788

bye.argtypes = [ClientSession, close_request_t]

789

bye.restype = ctypes.c_int

754

bye.argtypes = [session_t, close_request_t]

755

bye.restype = _error_code

790

756

bye.errcheck = _retry_on_error

791

757

792

758

check_version = _library.gnutls_check_version

866

832

867

833

if check_version(b"3.6.4"):

868

834

certificate_type_get2 = _library.gnutls_certificate_type_get2

869

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

835

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

870

836

certificate_type_get2.restype = _error_code

871

837

872

838

# Remove non-public functions

888

854

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

889

855

890

856

Attributes:

891

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

857

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

892

858

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

893

859

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

894

860

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

895

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

861

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

896

862

running.

897

863

checker_callback_tag: a GLib event source tag, or None

898

864

checker_command: string; External command which is run to check

974

940

# key_id() and fingerprint() functions

975

941

client["key_id"] = (section.get("key_id", "").upper()

976

942

.replace(" ", ""))

977

client["fingerprint"] = (section.get("fingerprint",

978

"").upper()

943

client["fingerprint"] = (section["fingerprint"].upper()

979

944

.replace(" ", ""))

980

if not (client["key_id"] or client["fingerprint"]):

981

log.error("Skipping client %s without key_id or"

982

" fingerprint", client_name)

983

del settings[client_name]

984

continue

985

945

if "secret" in section:

986

946

client["secret"] = codecs.decode(section["secret"]

987

947

.encode("utf-8"),

1028

988

self.last_enabled = None

1029

989

self.expires = None

1030

990

1031

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

1032

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

1033

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

991

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

992

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

993

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

1034

994

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

1035

995

datetime.datetime.utcnow())

1036

996

1064

1024

if getattr(self, "enabled", False):

1065

1025

# Already enabled

1066

1026

return

1027

self.expires = datetime.datetime.utcnow() + self.timeout

1067

1028

self.enabled = True

1068

1029

self.last_enabled = datetime.datetime.utcnow()

1069

1030

self.init_checker()

1074

1035

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

1075

1036

return False

1076

1037

if not quiet:

1077

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

1038

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

1078

1039

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

1079

1040

GLib.source_remove(self.disable_initiator_tag)

1080

1041

self.disable_initiator_tag = None

1092

1053

def __del__(self):

1093

1054

self.disable()

1094

1055

1095

def init_checker(self, randomize_start=False):

1096

# Schedule a new checker to be started a randomly selected

1097

# time (a fraction of 'interval') from now. This spreads out

1098

# the startup of checkers over time when the server is

1099

# started.

1056

def init_checker(self):

1057

# Schedule a new checker to be started an 'interval' from now,

1058

# and every interval from then on.

1100

1059

if self.checker_initiator_tag is not None:

1101

1060

GLib.source_remove(self.checker_initiator_tag)

1102

interval_milliseconds = int(self.interval.total_seconds()

1103

* 1000)

1104

if randomize_start:

1105

delay_milliseconds = random.randrange(

1106

interval_milliseconds + 1)

1107

else:

1108

delay_milliseconds = interval_milliseconds

1109

1061

self.checker_initiator_tag = GLib.timeout_add(

1110

delay_milliseconds, self.start_checker, randomize_start)

1111

delay = datetime.timedelta(0, 0, 0, delay_milliseconds)

1112

# A checker might take up to an 'interval' of time, so we can

1113

# expire at the soonest one interval after a checker was

1114

# started. Since the initial checker is delayed, the expire

1115

# time might have to be extended.

1116

now = datetime.datetime.utcnow()

1117

self.expires = now + delay + self.interval

1118

# Schedule a disable() at expire time

1062

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

1063

+ 1)),

1064

self.start_checker)

1065

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

1119

1066

if self.disable_initiator_tag is not None:

1120

1067

GLib.source_remove(self.disable_initiator_tag)

1121

1068

self.disable_initiator_tag = GLib.timeout_add(

1122

int((self.expires - now).total_seconds() * 1000),

1123

self.disable)

1069

int(self.timeout.total_seconds() * 1000), self.disable)

1070

# Also start a new checker *right now*.

1071

self.start_checker()

1124

1072

1125

1073

def checker_callback(self, source, condition, connection,

1126

1074

command):

1137

1085

self.last_checker_status = returncode

1138

1086

self.last_checker_signal = None

1139

1087

if self.last_checker_status == 0:

1140

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

1088

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

1089

vars(self))

1141

1090

self.checked_ok()

1142

1091

else:

1143

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

1092

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

1144

1093

else:

1145

1094

self.last_checker_status = -1

1146

1095

self.last_checker_signal = -returncode

1147

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

1096

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

1097

vars(self))

1148

1098

return False

1149

1099

1150

1100

def checked_ok(self):

1169

1119

def need_approval(self):

1170

1120

self.last_approval_request = datetime.datetime.utcnow()

1171

1121

1172

def start_checker(self, start_was_randomized=False):

1122

def start_checker(self):

1173

1123

"""Start a new checker subprocess if one is not running.

1174

1124

1175

1125

If a checker already exists, leave it running and do

1184

1134

# should be.

1185

1135

1186

1136

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

1187

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

1137

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

1188

1138

self.checker.join()

1189

1139

self.checker = None

1190

1140

# Start a new checker if needed

1196

1146

try:

1197

1147

command = self.checker_command % escaped_attrs

1198

1148

except TypeError as error:

1199

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

1200

self.checker_command, exc_info=error)

1149

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

1150

self.checker_command,

1151

exc_info=error)

1201

1152

return True # Try again later

1202

1153

self.current_checker_command = command

1203

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

1154

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

1155

self.name)

1204

1156

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

1205

1157

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

1206

1158

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

1225

1177

GLib.IOChannel.unix_new(pipe[0].fileno()),

1226

1178

GLib.PRIORITY_DEFAULT, GLib.IO_IN,

1227

1179

self.checker_callback, pipe[0], command)

1228

if start_was_randomized:

1229

# We were started after a random delay; Schedule a new

1230

# checker to be started an 'interval' from now, and every

1231

# interval from then on.

1232

now = datetime.datetime.utcnow()

1233

self.checker_initiator_tag = GLib.timeout_add(

1234

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

1235

self.start_checker)

1236

self.expires = max(self.expires, now + self.interval)

1237

# Don't start a new checker again after same random delay

1238

return False

1239

1180

# Re-run this periodically if run by GLib.timeout_add

1240

1181

return True

1241

1182

1246

1187

self.checker_callback_tag = None

1247

1188

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

1248

1189

return

1249

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

1190

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

1250

1191

self.checker.terminate()

1251

1192

self.checker = None

1252

1193

1279

1220

func._dbus_name = func.__name__

1280

1221

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

1281

1222

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

1282

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1223

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1283

1224

return func

1284

1225

1285

1226

return decorator

1374

1315

1375

1316

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1376

1317

out_signature="s",

1377

path_keyword="object_path",

1378

connection_keyword="connection")

1318

path_keyword='object_path',

1319

connection_keyword='connection')

1379

1320

def Introspect(self, object_path, connection):

1380

1321

"""Overloading of standard D-Bus method.

1381

1322

1430

1371

document.unlink()

1431

1372

except (AttributeError, xml.dom.DOMException,

1432

1373

xml.parsers.expat.ExpatError) as error:

1433

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

1434

exc_info=error)

1374

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

1375

exc_info=error)

1435

1376

return xmlstring

1436

1377

1437

1378

1534

1475

1535

1476

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1536

1477

out_signature="s",

1537

path_keyword="object_path",

1538

connection_keyword="connection")

1478

path_keyword='object_path',

1479

connection_keyword='connection')

1539

1480

def Introspect(self, object_path, connection):

1540

1481

"""Overloading of standard D-Bus method.

1541

1482

1597

1538

document.unlink()

1598

1539

except (AttributeError, xml.dom.DOMException,

1599

1540

xml.parsers.expat.ExpatError) as error:

1600

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

1601

exc_info=error)

1541

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

1542

exc_info=error)

1602

1543

return xmlstring

1603

1544

1604

1545

1636

1577

1637

1578

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1638

1579

out_signature="s",

1639

path_keyword="object_path",

1640

connection_keyword="connection")

1580

path_keyword='object_path',

1581

connection_keyword='connection')

1641

1582

def Introspect(self, object_path, connection):

1642

1583

"""Overloading of standard D-Bus method.

1643

1584

1668

1609

document.unlink()

1669

1610

except (AttributeError, xml.dom.DOMException,

1670

1611

xml.parsers.expat.ExpatError) as error:

1671

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

1672

exc_info=error)

1612

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

1613

exc_info=error)

1673

1614

return xmlstring

1674

1615

1675

1616

2309

2250

class ProxyClient:

2310

2251

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

2311

2252

self._pipe = child_pipe

2312

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

2253

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

2313

2254

if not self._pipe.recv():

2314

2255

raise KeyError(key_id or fpr)

2315

2256

2316

2257

def __getattribute__(self, name):

2317

if name == "_pipe":

2258

if name == '_pipe':

2318

2259

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

2319

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

2260

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

2320

2261

data = self._pipe.recv()

2321

if data[0] == "data":

2262

if data[0] == 'data':

2322

2263

return data[1]

2323

if data[0] == "function":

2264

if data[0] == 'function':

2324

2265

2325

2266

def func(*args, **kwargs):

2326

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

2267

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

2327

2268

return self._pipe.recv()[1]

2328

2269

2329

2270

return func

2330

2271

2331

2272

def __setattr__(self, name, value):

2332

if name == "_pipe":

2273

if name == '_pipe':

2333

2274

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

2334

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

2275

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

2335

2276

2336

2277

2337

2278

class ClientHandler(socketserver.BaseRequestHandler, object):

2342

2283

2343

2284

def handle(self):

2344

2285

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

2345

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

2346

str(self.client_address))

2347

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

2286

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

2287

str(self.client_address))

2288

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

2289

self.server.child_pipe.fileno())

2348

2290

2349

2291

session = gnutls.ClientSession(self.request)

2350

2292

2351

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

2293

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

2352

2294

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

2353

2295

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

2354

2296

# "+DHE-DSS"))

2356

2298

priority = self.server.gnutls_priority

2357

2299

if priority is None:

2358

2300

priority = "NORMAL"

2359

gnutls.priority_set_direct(session,

2360

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

2301

gnutls.priority_set_direct(session._c_object,

2302

priority.encode("utf-8"),

2303

None)

2361

2304

2362

2305

# Start communication using the Mandos protocol

2363

2306

# Get protocol number

2364

2307

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

2365

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

2308

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

2366

2309

try:

2367

2310

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

2368

2311

raise RuntimeError(line)

2369

2312

except (ValueError, IndexError, RuntimeError) as error:

2370

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

2313

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

2371

2314

return

2372

2315

2373

2316

# Start GnuTLS connection

2374

2317

try:

2375

2318

session.handshake()

2376

2319

except gnutls.Error as error:

2377

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

2320

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

2378

2321

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

2379

2322

# established. Just abandon the request.

2380

2323

return

2381

log.debug("Handshake succeeded")

2324

logger.debug("Handshake succeeded")

2382

2325

2383

2326

approval_required = False

2384

2327

try:

2388

2331

key_id = self.key_id(

2389

2332

self.peer_certificate(session))

2390

2333

except (TypeError, gnutls.Error) as error:

2391

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

2334

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

2392

2335

return

2393

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

2394

key_id.decode("utf-8",

2395

errors="replace"))

2336

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

2396

2337

2397

2338

else:

2398

2339

key_id = b""

2400

2341

fpr = self.fingerprint(

2401

2342

self.peer_certificate(session))

2402

2343

except (TypeError, gnutls.Error) as error:

2403

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

2344

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

2404

2345

return

2405

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

2346

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

2406

2347

2407

2348

try:

2408

2349

client = ProxyClient(child_pipe, key_id, fpr,

2417

2358

2418

2359

while True:

2419

2360

if not client.enabled:

2420

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

2361

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

2362

client.name)

2421

2363

if self.server.use_dbus:

2422

2364

# Emit D-Bus signal

2423

2365

client.Rejected("Disabled")

2427

2369

# We are approved or approval is disabled

2428

2370

break

2429

2371

elif client.approved is None:

2430

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

2431

client.name)

2372

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

2373

client.name)

2432

2374

if self.server.use_dbus:

2433

2375

# Emit D-Bus signal

2434

2376

client.NeedApproval(

2435

2377

client.approval_delay.total_seconds()

2436

2378

* 1000, client.approved_by_default)

2437

2379

else:

2438

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

2439

client.name)

2380

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

2381

client.name)

2440

2382

if self.server.use_dbus:

2441

2383

# Emit D-Bus signal

2442

2384

client.Rejected("Denied")

2450

2392

time2 = datetime.datetime.now()

2451

2393

if (time2 - time) >= delay:

2452

2394

if not client.approved_by_default:

2453

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

2454

" waiting for approval",

2455

client.name)

2395

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

2396

" waiting for approval",

2397

client.name)

2456

2398

if self.server.use_dbus:

2457

2399

# Emit D-Bus signal

2458

2400

client.Rejected("Approval timed out")

2465

2407

try:

2466

2408

session.send(client.secret)

2467

2409

except gnutls.Error as error:

2468

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

2410

logger.warning("gnutls send failed",

2411

exc_info=error)

2469

2412

return

2470

2413

2471

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

2414

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

2472

2415

# bump the timeout using extended_timeout

2473

2416

client.bump_timeout(client.extended_timeout)

2474

2417

if self.server.use_dbus:

2481

2424

try:

2482

2425

session.bye()

2483

2426

except gnutls.Error as error:

2484

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

2427

logger.warning("GnuTLS bye failed",

2428

exc_info=error)

2485

2429

2486

2430

@staticmethod

2487

2431

def peer_certificate(session):

2488

2432

"Return the peer's certificate as a bytestring"

2489

2433

try:

2490

cert_type = gnutls.certificate_type_get2(

2491

session, gnutls.CTYPE_PEERS)

2434

cert_type = gnutls.certificate_type_get2(session._c_object,

2435

gnutls.CTYPE_PEERS)

2492

2436

except AttributeError:

2493

cert_type = gnutls.certificate_type_get(session)

2437

cert_type = gnutls.certificate_type_get(session._c_object)

2494

2438

if gnutls.has_rawpk:

2495

2439

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2496

2440

else:

2497

2441

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2498

2442

# If not a valid certificate type...

2499

2443

if cert_type not in valid_cert_types:

2500

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

2501

valid_cert_types)

2444

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

2445

valid_cert_types)

2502

2446

# ...return invalid data

2503

2447

return b""

2504

2448

list_size = ctypes.c_uint(1)

2505

2449

cert_list = (gnutls.certificate_get_peers

2506

(session, ctypes.byref(list_size)))

2450

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

2507

2451

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

2508

2452

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

2509

2453

if list_size.value == 0:

2623

2567

2624

2568

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2625

2569

socketserver.TCPServer):

2626

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

2570

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

2627

2571

2628

2572

Attributes:

2629

2573

enabled: Boolean; whether this server is activated yet

2680

2624

if SO_BINDTODEVICE is None:

2681

2625

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

2682

2626

# common enough.

2683

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

2627

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

2684

2628

SO_BINDTODEVICE = 25

2685

2629

try:

2686

2630

self.socket.setsockopt(

2688

2632

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

2689

2633

except socket.error as error:

2690

2634

if error.errno == errno.EPERM:

2691

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

2692

self.interface)

2635

logger.error("No permission to bind to"

2636

" interface %s", self.interface)

2693

2637

elif error.errno == errno.ENOPROTOOPT:

2694

log.error("SO_BINDTODEVICE not available; cannot"

2695

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

2638

logger.error("SO_BINDTODEVICE not available;"

2639

" cannot bind to interface %s",

2640

self.interface)

2696

2641

elif error.errno == errno.ENODEV:

2697

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

2698

" bind", self.interface)

2642

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

2643

" cannot bind", self.interface)

2699

2644

else:

2700

2645

raise

2701

2646

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

2780

2725

request = parent_pipe.recv()

2781

2726

command = request[0]

2782

2727

2783

if command == "init":

2728

if command == 'init':

2784

2729

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

2785

2730

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

2786

2731

address = request[3]

2796

2741

client = c

2797

2742

break

2798

2743

else:

2799

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

2800

" %s", key_id or fpr, address)

2744

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

2745

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

2801

2746

if self.use_dbus:

2802

2747

# Emit D-Bus signal

2803

2748

mandos_dbus_service.ClientNotFound(key_id or fpr,

2816

2761

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

2817

2762

# same fileno

2818

2763

return False

2819

if command == "funcall":

2764

if command == 'funcall':

2820

2765

funcname = request[1]

2821

2766

args = request[2]

2822

2767

kwargs = request[3]

2823

2768

2824

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

2769

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

2825

2770

funcname)(*args,

2826

2771

**kwargs)))

2827

2772

2828

if command == "getattr":

2773

if command == 'getattr':

2829

2774

attrname = request[1]

2830

2775

if isinstance(client_object.__getattribute__(attrname),

2831

2776

collections.abc.Callable):

2832

parent_pipe.send(("function", ))

2777

parent_pipe.send(('function', ))

2833

2778

else:

2834

2779

parent_pipe.send((

2835

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

2780

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

2836

2781

2837

if command == "setattr":

2782

if command == 'setattr':

2838

2783

attrname = request[1]

2839

2784

value = request[2]

2840

2785

setattr(client_object, attrname, value)

2946

2891

def string_to_delta(interval):

2947

2892

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

2948

2893

2949

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

2950

True

2951

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

2952

True

2953

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

2954

True

2955

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

2956

True

2957

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

2958

True

2959

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

2894

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

2895

True

2896

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

2897

True

2898

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

2899

True

2900

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

2901

True

2902

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

2903

True

2904

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

2960

2905

True

2961

2906

"""

2962

2907

3109

3054

# Later, stdin will, and stdout and stderr might, be dup'ed

3110

3055

# over with an opened os.devnull. But we don't want this to

3111

3056

# happen with a supplied network socket.

3112

while 0 <= server_settings["socket"] <= 2:

3057

if 0 <= server_settings["socket"] <= 2:

3113

3058

server_settings["socket"] = os.dup(server_settings

3114

3059

["socket"])

3115

os.set_inheritable(server_settings["socket"], False)

3116

3060

del server_config

3117

3061

3118

3062

# Override the settings from the config file with command line

3167

3111

3168

3112

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

3169

3113

syslogger.setFormatter(

3170

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

3171

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

3114

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

3115

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

3172

3116

server_settings["servicename"])))

3173

3117

3174

3118

# Parse config file with clients

3198

3142

try:

3199

3143

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

3200

3144

except IOError as e:

3201

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

3202

exc_info=e)

3145

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

3146

exc_info=e)

3203

3147

3204

3148

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

3205

3149

("mandos", "mandos"),

3216

3160

try:

3217

3161

os.setgid(gid)

3218

3162

os.setuid(uid)

3219

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

3163

if debug:

3164

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

3165

gid))

3220

3166

except OSError as error:

3221

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

3222

os.strerror(error.errno))

3167

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

3168

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

3223

3169

if error.errno != errno.EPERM:

3224

3170

raise

3225

3171

3232

3178

3233

3179

@gnutls.log_func

3234

3180

def debug_gnutls(level, string):

3235

log.debug("GnuTLS: %s",

3236

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

3181

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

3237

3182

3238

3183

gnutls.global_set_log_function(debug_gnutls)

3239

3184

3257

3202

# From the Avahi example code

3258

3203

DBusGMainLoop(set_as_default=True)

3259

3204

main_loop = GLib.MainLoop()

3260

if use_dbus or zeroconf:

3261

bus = dbus.SystemBus()

3205

bus = dbus.SystemBus()

3262

3206

# End of Avahi example code

3263

3207

if use_dbus:

3264

3208

try:

3269

3213

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

3270

3214

do_not_queue=True)

3271

3215

except dbus.exceptions.DBusException as e:

3272

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

3216

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

3273

3217

use_dbus = False

3274

3218

server_settings["use_dbus"] = False

3275

3219

tcp_server.use_dbus = False

3360

3304

os.remove(stored_state_path)

3361

3305

except IOError as e:

3362

3306

if e.errno == errno.ENOENT:

3363

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

3364

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

3307

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

3308

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

3365

3309

else:

3366

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

3367

exc_info=e)

3310

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

3311

exc_info=e)

3368

3312

raise

3369

3313

except EOFError as e:

3370

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

3371

exc_info=e)

3314

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

3315

"EOFError:",

3316

exc_info=e)

3372

3317

3373

3318

with PGPEngine() as pgp:

3374

3319

for client_name, client in clients_data.items():

3401

3346

if client["enabled"]:

3402

3347

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

3403

3348

if not client["last_checked_ok"]:

3404

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

3405

" never performed a successful"

3406

" checker", client_name)

3349

logger.warning(

3350

"disabling client {} - Client never "

3351

"performed a successful checker".format(

3352

client_name))

3407

3353

client["enabled"] = False

3408

3354

elif client["last_checker_status"] != 0:

3409

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

3410

" last checker failed with error"

3411

" code %s", client_name,

3412

client["last_checker_status"])

3355

logger.warning(

3356

"disabling client {} - Client last"

3357

" checker failed with error code"

3358

" {}".format(

3359

client_name,

3360

client["last_checker_status"]))

3413

3361

client["enabled"] = False

3414

3362

else:

3415

3363

client["expires"] = (

3416

3364

datetime.datetime.utcnow()

3417

3365

+ client["timeout"])

3418

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

3419

" enabled", client_name)

3366

logger.debug("Last checker succeeded,"

3367

" keeping {} enabled".format(

3368

client_name))

3420

3369

try:

3421

3370

client["secret"] = pgp.decrypt(

3422

3371

client["encrypted_secret"],

3423

3372

client_settings[client_name]["secret"])

3424

3373

except PGPError:

3425

3374

# If decryption fails, we use secret from new settings

3426

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

3427

client_name)

3375

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

3376

client_name))

3428

3377

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

3429

3378

["secret"])

3430

3379

3444

3393

server_settings=server_settings)

3445

3394

3446

3395

if not tcp_server.clients:

3447

log.warning("No clients defined")

3396

logger.warning("No clients defined")

3448

3397

3449

3398

if not foreground:

3450

3399

if pidfile is not None:

3453

3402

with pidfile:

3454

3403

print(pid, file=pidfile)

3455

3404

except IOError:

3456

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

3457

pidfilename, pid)

3405

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

3406

pidfilename, pid)

3458

3407

del pidfile

3459

3408

del pidfilename

3460

3409

3610

3559

3611

3560

try:

3612

3561

with tempfile.NamedTemporaryFile(

3613

mode="wb",

3562

mode='wb',

3614

3563

suffix=".pickle",

3615

prefix="clients-",

3564

prefix='clients-',

3616

3565

dir=os.path.dirname(stored_state_path),

3617

3566

delete=False) as stored_state:

3618

3567

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

3626

3575

except NameError:

3627

3576

pass

3628

3577

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

3629

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

3630

os.strerror(e.errno))

3578

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

3579

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

3631

3580

else:

3632

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

3633

exc_info=e)

3581

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

3582

exc_info=e)

3634

3583

raise

3635

3584

3636

3585

# Delete all clients, and settings from config

3653

3602

mandos_dbus_service.client_added_signal(client)

3654

3603

# Need to initiate checking of clients

3655

3604

if client.enabled:

3656

client.init_checker(randomize_start=True)

3605

client.init_checker()

3657

3606

3658

3607

tcp_server.enable()

3659

3608

tcp_server.server_activate()

3662

3611

if zeroconf:

3663

3612

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

3664

3613

if use_ipv6:

3665

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

3666

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

3614

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

3615

" flowinfo %d, scope_id %d",

3616

*tcp_server.socket.getsockname())

3667

3617

else: # IPv4

3668

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

3669

*tcp_server.socket.getsockname())

3618

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

3619

*tcp_server.socket.getsockname())

3670

3620

3671

3621

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

3672

3622

3676

3626

try:

3677

3627

service.activate()

3678

3628

except dbus.exceptions.DBusException as error:

3679

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

3629

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

3680

3630

cleanup()

3681

3631

sys.exit(1)

3682

3632

# End of Avahi example code

3687

3637

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

3688

3638

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

3689

3639

3690

log.debug("Starting main loop")

3640

logger.debug("Starting main loop")

3691

3641

main_loop.run()

3692

3642

except AvahiError as error:

3693

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

3643

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

3694

3644

cleanup()

3695

3645

sys.exit(1)

3696

3646

except KeyboardInterrupt:

3697

3647

if debug:

3698

3648

print("", file=sys.stderr)

3699

log.debug("Server received KeyboardInterrupt")

3700

log.debug("Server exiting")

3649

logger.debug("Server received KeyboardInterrupt")

3650

logger.debug("Server exiting")

3701

3651

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

3702

3652

cleanup()

3703

3653

3704

3654

3705

def parse_test_args():

3706

# type: () -> argparse.Namespace

3655

def should_only_run_tests():

3707

3656

parser = argparse.ArgumentParser(add_help=False)

3708

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

3709

parser.add_argument("--prefix", )

3657

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

3710

3658

args, unknown_args = parser.parse_known_args()

3711

if args.check:

3712

# Remove test options from sys.argv

3659

run_tests = args.check

3660

if run_tests:

3661

# Remove --check argument from sys.argv

3713

3662

sys.argv[1:] = unknown_args

3714

return args

3663

return run_tests

3715

3664

3716

3665

# Add all tests from doctest strings

3717

3666

def load_tests(loader, tests, none):

3719

3668

tests.addTests(doctest.DocTestSuite())

3720

3669

return tests

3721

3670

3722

if __name__ == "__main__":

3723

options = parse_test_args()

3671

if __name__ == '__main__':

3724

3672

try:

3725

if options.check:

3726

extra_test_prefix = options.prefix

3727

if extra_test_prefix is not None:

3728

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

3729

.result.wasSuccessful()):

3730

sys.exit(1)

3731

class ExtraTestLoader(unittest.TestLoader):

3732

testMethodPrefix = extra_test_prefix

3733

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

3734

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

3735

else:

3736

unittest.main(argv=[""])

3673

if should_only_run_tests():

3674

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

3675

unittest.main()

3737

3676

else:

3738

3677

main()

3739

3678

finally:

3740

3679

logging.shutdown()

3741

3742

# Local Variables:

3743

# run-tests:

3744

# (lambda (&optional extra)

3745

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

3746

# extra))

3747

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

3748

# (funcall remove-test-window)

3749

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

3750

# run-tests-in-test-buffer:

3751

# (lambda (dir &optional extra)

3752

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

3753

# (setq buffer-read-only nil

3754

# default-directory dir)

3755

# (erase-buffer)

3756

# (compilation-mode))

3757

# (let ((process-result

3758

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

3759

# (process-file-shell-command

3760

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

3761

# (and (numberp process-result)

3762

# (= process-result 0))))

3763

# get-command-line:

3764

# (lambda (&optional extra)

3765

# (let ((quoted-script

3766

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

3767

# (format

3768

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

3769

# quoted-script)))

3770

# get-script-name:

3771

# (lambda ()

3772

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

3773

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

3774

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

3775

# (buffer-file-name))))

3776

# remove-test-window:

3777

# (lambda ()

3778

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

3779

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

3780

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

3781

# (lambda ()

3782

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

3783

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

3784

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

3785

# (display-buffer-overriding-action

3786

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

3787

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

3788

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

3789

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

3790

# eval:

3791

# (progn

3792

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

3793

# (funcall run-tests t)))

3794

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

3795

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

3796

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

3797

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

3798

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

3799

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

3800

# End: