/mandos/trunk : revision 237.4.133

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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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39

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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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if sys.version_info < (3, 2):

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configparser.Configparser = configparser.SafeConfigParser

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version = "1.8.15"

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version = "1.8.12"

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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(

402

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()

412

== "org.freedesktop.Avahi.CollisionError"):

413

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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435

avahi.DBUS_INTERFACE_ENTRY_GROUP)

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self.entry_group_state_changed_match = (

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self.group.connect_to_signal(

438

"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)

441

self.group.AddService(

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self.interface,

443

self.protocol,

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451

def entry_group_state_changed(self, state, error):

452

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

453

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

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

454

455

if state == avahi.ENTRY_GROUP_ESTABLISHED:

456

log.debug("Zeroconf service established.")

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logger.debug("Zeroconf service established.")

457

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.")

459

self.rename()

460

elif state == avahi.ENTRY_GROUP_FAILURE:

461

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

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str(error))

461

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

462

str(error))

463

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

464

465

def cleanup(self):

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476

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

477

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

478

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

478

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

479

bad_states = {

480

avahi.SERVER_INVALID: "Zeroconf server invalid",

481

avahi.SERVER_REGISTERING: None,

485

if state in bad_states:

486

if bad_states[state] is not None:

487

if error is None:

488

log.error(bad_states[state])

488

logger.error(bad_states[state])

489

else:

490

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

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

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self.cleanup()

492

elif state == avahi.SERVER_RUNNING:

493

try:

495

except dbus.exceptions.DBusException as error:

496

if (error.get_dbus_name()

497

== "org.freedesktop.Avahi.CollisionError"):

498

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

498

logger.info("Local Zeroconf service name"

499

" collision.")

499

500

return self.rename(remove=False)

500

501

else:

501

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

502

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

502

503

self.cleanup()

503

504

os._exit(1)

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505

else:

505

506

if error is None:

506

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

507

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

507

508

else:

508

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

509

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

509

510

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def activate(self):

511

512

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

526

527

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

527

528

**kwargs)

528

529

syslogger.setFormatter(logging.Formatter(

529

"Mandos ({}) [%(process)d]: %(levelname)s: %(message)s"

530

'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'

530

531

.format(self.name)))

531

532

return ret

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533

562

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OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h

563

564

565

# Types

565

class _session_int(ctypes.Structure):

566

class session_int(ctypes.Structure):

566

567

_fields_ = []

567

session_t = ctypes.POINTER(_session_int)

568

session_t = ctypes.POINTER(session_int)

568

569

570

class certificate_credentials_st(ctypes.Structure):

570

571

_fields_ = []

573

574

certificate_type_t = ctypes.c_int

574

575

576

class datum_t(ctypes.Structure):

576

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

577

("size", ctypes.c_uint)]

577

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

578

('size', ctypes.c_uint)]

578

579

class _openpgp_crt_int(ctypes.Structure):

580

class openpgp_crt_int(ctypes.Structure):

580

581

_fields_ = []

581

openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)

582

openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)

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583

openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h

583

584

log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)

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585

credentials_type_t = ctypes.c_int

593

594

# gnutls.strerror()

594

595

self.code = code

595

596

if message is None and code is not None:

596

message = gnutls.strerror(code).decode(

597

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

597

message = gnutls.strerror(code)

598

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

599

message, *args)

600

601

class CertificateSecurityError(Error):

602

pass

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

629

604

# Classes

630

class Credentials(With_from_param):

605

class Credentials:

631

606

def __init__(self):

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

607

self._c_object = gnutls.certificate_credentials_t()

608

gnutls.certificate_allocate_credentials(

609

ctypes.byref(self._c_object))

634

610

self.type = gnutls.CRD_CERTIFICATE

635

611

636

612

def __del__(self):

637

gnutls.certificate_free_credentials(self)

613

gnutls.certificate_free_credentials(self._c_object)

638

614

639

class ClientSession(With_from_param):

615

class ClientSession:

640

616

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

641

self._as_parameter_ = gnutls.session_t()

617

self._c_object = gnutls.session_t()

642

618

gnutls_flags = gnutls.CLIENT

643

619

if gnutls.check_version(b"3.5.6"):

644

620

gnutls_flags |= gnutls.NO_TICKETS

645

621

if gnutls.has_rawpk:

646

622

gnutls_flags |= gnutls.ENABLE_RAWPK

647

gnutls.init(self, gnutls_flags)

623

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

648

624

del gnutls_flags

649

gnutls.set_default_priority(self)

650

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

651

gnutls.handshake_set_private_extensions(self, True)

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)

652

629

self.socket = socket

653

630

if credentials is None:

654

631

credentials = gnutls.Credentials()

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

632

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

633

ctypes.cast(credentials._c_object,

634

ctypes.c_void_p))

657

635

self.credentials = credentials

658

636

659

637

def __del__(self):

660

gnutls.deinit(self)

638

gnutls.deinit(self._c_object)

661

639

662

640

def handshake(self):

663

return gnutls.handshake(self)

641

return gnutls.handshake(self._c_object)

664

642

665

643

def send(self, data):

666

644

data = bytes(data)

667

645

data_len = len(data)

668

646

while data_len > 0:

669

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

647

data_len -= gnutls.record_send(self._c_object,

648

data[-data_len:],

670

649

data_len)

671

650

672

651

def bye(self):

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

652

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

674

653

675

654

# Error handling functions

676

655

def _error_code(result):

677

656

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

678

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

679

if result >= gnutls.E_SUCCESS:

657

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

658

if result >= 0:

680

659

return result

681

660

if result == gnutls.E_NO_CERTIFICATE_FOUND:

682

661

raise gnutls.CertificateSecurityError(code=result)

683

662

raise gnutls.Error(code=result)

684

663

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

664

def _retry_on_error(result, func, arguments):

687

665

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

688

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

689

while result < gnutls.E_SUCCESS:

666

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

667

while result < 0:

690

668

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

691

669

return _error_code(result)

692

670

result = func(*arguments)

697

675

698

676

# Functions

699

677

priority_set_direct = _library.gnutls_priority_set_direct

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

678

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

701

679

ctypes.POINTER(ctypes.c_char_p)]

702

680

priority_set_direct.restype = _error_code

703

681

704

682

init = _library.gnutls_init

705

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

683

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

706

684

init.restype = _error_code

707

685

708

686

set_default_priority = _library.gnutls_set_default_priority

709

set_default_priority.argtypes = [ClientSession]

687

set_default_priority.argtypes = [session_t]

710

688

set_default_priority.restype = _error_code

711

689

712

690

record_send = _library.gnutls_record_send

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

691

record_send.argtypes = [session_t, ctypes.c_void_p,

714

692

ctypes.c_size_t]

715

693

record_send.restype = ctypes.c_ssize_t

716

694

record_send.errcheck = _retry_on_error

718

696

certificate_allocate_credentials = (

719

697

_library.gnutls_certificate_allocate_credentials)

720

698

certificate_allocate_credentials.argtypes = [

721

PointerTo(Credentials)]

699

ctypes.POINTER(certificate_credentials_t)]

722

700

certificate_allocate_credentials.restype = _error_code

723

701

724

702

certificate_free_credentials = (

725

703

_library.gnutls_certificate_free_credentials)

726

certificate_free_credentials.argtypes = [Credentials]

704

certificate_free_credentials.argtypes = [

705

certificate_credentials_t]

727

706

certificate_free_credentials.restype = None

728

707

729

708

handshake_set_private_extensions = (

730

709

_library.gnutls_handshake_set_private_extensions)

731

handshake_set_private_extensions.argtypes = [ClientSession,

710

handshake_set_private_extensions.argtypes = [session_t,

732

711

ctypes.c_int]

733

712

handshake_set_private_extensions.restype = None

734

713

735

714

credentials_set = _library.gnutls_credentials_set

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

715

credentials_set.argtypes = [session_t, credentials_type_t,

716

ctypes.c_void_p]

738

717

credentials_set.restype = _error_code

739

718

740

719

strerror = _library.gnutls_strerror

742

721

strerror.restype = ctypes.c_char_p

743

722

744

723

certificate_type_get = _library.gnutls_certificate_type_get

745

certificate_type_get.argtypes = [ClientSession]

724

certificate_type_get.argtypes = [session_t]

746

725

certificate_type_get.restype = _error_code

747

726

748

727

certificate_get_peers = _library.gnutls_certificate_get_peers

749

certificate_get_peers.argtypes = [ClientSession,

728

certificate_get_peers.argtypes = [session_t,

750

729

ctypes.POINTER(ctypes.c_uint)]

751

730

certificate_get_peers.restype = ctypes.POINTER(datum_t)

752

731

759

738

global_set_log_function.restype = None

760

739

761

740

deinit = _library.gnutls_deinit

762

deinit.argtypes = [ClientSession]

741

deinit.argtypes = [session_t]

763

742

deinit.restype = None

764

743

765

744

handshake = _library.gnutls_handshake

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

745

handshake.argtypes = [session_t]

746

handshake.restype = _error_code

768

747

handshake.errcheck = _retry_on_error

769

748

770

749

transport_set_ptr = _library.gnutls_transport_set_ptr

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

750

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

772

751

transport_set_ptr.restype = None

773

752

774

753

bye = _library.gnutls_bye

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

754

bye.argtypes = [session_t, close_request_t]

755

bye.restype = _error_code

777

756

bye.errcheck = _retry_on_error

778

757

779

758

check_version = _library.gnutls_check_version

853

832

854

833

if check_version(b"3.6.4"):

855

834

certificate_type_get2 = _library.gnutls_certificate_type_get2

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

835

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

857

836

certificate_type_get2.restype = _error_code

858

837

859

838

# Remove non-public functions

875

854

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

876

855

877

856

Attributes:

878

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

857

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

879

858

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

880

859

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

881

860

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

882

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

861

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

883

862

running.

884

863

checker_callback_tag: a GLib event source tag, or None

885

864

checker_command: string; External command which is run to check

1009

988

self.last_enabled = None

1010

989

self.expires = None

1011

990

1012

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

1013

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

1014

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)

1015

994

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

1016

995

datetime.datetime.utcnow())

1017

996

1045

1024

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

1046

1025

# Already enabled

1047

1026

return

1027

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

1048

1028

self.enabled = True

1049

1029

self.last_enabled = datetime.datetime.utcnow()

1050

1030

self.init_checker()

1055

1035

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

1056

1036

return False

1057

1037

if not quiet:

1058

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

1038

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

1059

1039

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

1060

1040

GLib.source_remove(self.disable_initiator_tag)

1061

1041

self.disable_initiator_tag = None

1073

1053

def __del__(self):

1074

1054

self.disable()

1075

1055

1076

def init_checker(self, randomize_start=False):

1077

# Schedule a new checker to be started a randomly selected

1078

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

1079

# the startup of checkers over time when the server is

1080

# 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.

1081

1059

if self.checker_initiator_tag is not None:

1082

1060

GLib.source_remove(self.checker_initiator_tag)

1083

interval_milliseconds = int(self.interval.total_seconds()

1084

* 1000)

1085

if randomize_start:

1086

delay_milliseconds = random.randrange(

1087

interval_milliseconds + 1)

1088

else:

1089

delay_milliseconds = interval_milliseconds

1090

1061

self.checker_initiator_tag = GLib.timeout_add(

1091

delay_milliseconds, self.start_checker, randomize_start)

1092

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

1093

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

1094

# expire at the soonest one interval after a checker was

1095

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

1096

# time might have to be extended.

1097

now = datetime.datetime.utcnow()

1098

self.expires = now + delay + self.interval

1099

# 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

1100

1066

if self.disable_initiator_tag is not None:

1101

1067

GLib.source_remove(self.disable_initiator_tag)

1102

1068

self.disable_initiator_tag = GLib.timeout_add(

1103

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

1104

self.disable)

1069

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

1070

# Also start a new checker *right now*.

1071

self.start_checker()

1105

1072

1106

1073

def checker_callback(self, source, condition, connection,

1107

1074

command):

1118

1085

self.last_checker_status = returncode

1119

1086

self.last_checker_signal = None

1120

1087

if self.last_checker_status == 0:

1121

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

1088

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

1089

vars(self))

1122

1090

self.checked_ok()

1123

1091

else:

1124

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

1092

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

1125

1093

else:

1126

1094

self.last_checker_status = -1

1127

1095

self.last_checker_signal = -returncode

1128

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

1096

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

1097

vars(self))

1129

1098

return False

1130

1099

1131

1100

def checked_ok(self):

1150

1119

def need_approval(self):

1151

1120

self.last_approval_request = datetime.datetime.utcnow()

1152

1121

1153

def start_checker(self, start_was_randomized=False):

1122

def start_checker(self):

1154

1123

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

1155

1124

1156

1125

If a checker already exists, leave it running and do

1165

1134

# should be.

1166

1135

1167

1136

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

1168

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

1137

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

1169

1138

self.checker.join()

1170

1139

self.checker = None

1171

1140

# Start a new checker if needed

1177

1146

try:

1178

1147

command = self.checker_command % escaped_attrs

1179

1148

except TypeError as error:

1180

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

1181

self.checker_command, exc_info=error)

1149

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

1150

self.checker_command,

1151

exc_info=error)

1182

1152

return True # Try again later

1183

1153

self.current_checker_command = command

1184

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

1154

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

1155

self.name)

1185

1156

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

1186

1157

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

1187

1158

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

1206

1177

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

1207

1178

GLib.PRIORITY_DEFAULT, GLib.IO_IN,

1208

1179

self.checker_callback, pipe[0], command)

1209

if start_was_randomized:

1210

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

1211

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

1212

# interval from then on.

1213

now = datetime.datetime.utcnow()

1214

self.checker_initiator_tag = GLib.timeout_add(

1215

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

1216

self.start_checker)

1217

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

1218

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

1219

return False

1220

1180

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

1221

1181

return True

1222

1182

1227

1187

self.checker_callback_tag = None

1228

1188

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

1229

1189

return

1230

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

1190

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

1231

1191

self.checker.terminate()

1232

1192

self.checker = None

1233

1193

1260

1220

func._dbus_name = func.__name__

1261

1221

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

1262

1222

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

1263

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1223

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1264

1224

return func

1265

1225

1266

1226

return decorator

1355

1315

1356

1316

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1357

1317

out_signature="s",

1358

path_keyword="object_path",

1359

connection_keyword="connection")

1318

path_keyword='object_path',

1319

connection_keyword='connection')

1360

1320

def Introspect(self, object_path, connection):

1361

1321

"""Overloading of standard D-Bus method.

1362

1322

1411

1371

document.unlink()

1412

1372

except (AttributeError, xml.dom.DOMException,

1413

1373

xml.parsers.expat.ExpatError) as error:

1414

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

1415

exc_info=error)

1374

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

1375

exc_info=error)

1416

1376

return xmlstring

1417

1377

1418

1378

1515

1475

1516

1476

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1517

1477

out_signature="s",

1518

path_keyword="object_path",

1519

connection_keyword="connection")

1478

path_keyword='object_path',

1479

connection_keyword='connection')

1520

1480

def Introspect(self, object_path, connection):

1521

1481

"""Overloading of standard D-Bus method.

1522

1482

1578

1538

document.unlink()

1579

1539

except (AttributeError, xml.dom.DOMException,

1580

1540

xml.parsers.expat.ExpatError) as error:

1581

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

1582

exc_info=error)

1541

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

1542

exc_info=error)

1583

1543

return xmlstring

1584

1544

1585

1545

1617

1577

1618

1578

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1619

1579

out_signature="s",

1620

path_keyword="object_path",

1621

connection_keyword="connection")

1580

path_keyword='object_path',

1581

connection_keyword='connection')

1622

1582

def Introspect(self, object_path, connection):

1623

1583

"""Overloading of standard D-Bus method.

1624

1584

1649

1609

document.unlink()

1650

1610

except (AttributeError, xml.dom.DOMException,

1651

1611

xml.parsers.expat.ExpatError) as error:

1652

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

1653

exc_info=error)

1612

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

1613

exc_info=error)

1654

1614

return xmlstring

1655

1615

1656

1616

2290

2250

class ProxyClient:

2291

2251

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

2292

2252

self._pipe = child_pipe

2293

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

2253

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

2294

2254

if not self._pipe.recv():

2295

2255

raise KeyError(key_id or fpr)

2296

2256

2297

2257

def __getattribute__(self, name):

2298

if name == "_pipe":

2258

if name == '_pipe':

2299

2259

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

2300

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

2260

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

2301

2261

data = self._pipe.recv()

2302

if data[0] == "data":

2262

if data[0] == 'data':

2303

2263

return data[1]

2304

if data[0] == "function":

2264

if data[0] == 'function':

2305

2265

2306

2266

def func(*args, **kwargs):

2307

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

2267

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

2308

2268

return self._pipe.recv()[1]

2309

2269

2310

2270

return func

2311

2271

2312

2272

def __setattr__(self, name, value):

2313

if name == "_pipe":

2273

if name == '_pipe':

2314

2274

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

2315

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

2275

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

2316

2276

2317

2277

2318

2278

class ClientHandler(socketserver.BaseRequestHandler, object):

2323

2283

2324

2284

def handle(self):

2325

2285

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

2326

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

2327

str(self.client_address))

2328

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())

2329

2290

2330

2291

session = gnutls.ClientSession(self.request)

2331

2292

2332

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

2293

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

2333

2294

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

2334

2295

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

2335

2296

# "+DHE-DSS"))

2337

2298

priority = self.server.gnutls_priority

2338

2299

if priority is None:

2339

2300

priority = "NORMAL"

2340

gnutls.priority_set_direct(session,

2341

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

2301

gnutls.priority_set_direct(session._c_object,

2302

priority.encode("utf-8"),

2303

None)

2342

2304

2343

2305

# Start communication using the Mandos protocol

2344

2306

# Get protocol number

2345

2307

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

2346

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

2308

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

2347

2309

try:

2348

2310

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

2349

2311

raise RuntimeError(line)

2350

2312

except (ValueError, IndexError, RuntimeError) as error:

2351

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

2313

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

2352

2314

return

2353

2315

2354

2316

# Start GnuTLS connection

2355

2317

try:

2356

2318

session.handshake()

2357

2319

except gnutls.Error as error:

2358

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

2320

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

2359

2321

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

2360

2322

# established. Just abandon the request.

2361

2323

return

2362

log.debug("Handshake succeeded")

2324

logger.debug("Handshake succeeded")

2363

2325

2364

2326

approval_required = False

2365

2327

try:

2369

2331

key_id = self.key_id(

2370

2332

self.peer_certificate(session))

2371

2333

except (TypeError, gnutls.Error) as error:

2372

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

2334

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

2373

2335

return

2374

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

2375

key_id.decode("utf-8",

2376

errors="replace"))

2336

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

2377

2337

2378

2338

else:

2379

2339

key_id = b""

2381

2341

fpr = self.fingerprint(

2382

2342

self.peer_certificate(session))

2383

2343

except (TypeError, gnutls.Error) as error:

2384

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

2344

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

2385

2345

return

2386

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

2346

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

2387

2347

2388

2348

try:

2389

2349

client = ProxyClient(child_pipe, key_id, fpr,

2398

2358

2399

2359

while True:

2400

2360

if not client.enabled:

2401

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

2361

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

2362

client.name)

2402

2363

if self.server.use_dbus:

2403

2364

# Emit D-Bus signal

2404

2365

client.Rejected("Disabled")

2408

2369

# We are approved or approval is disabled

2409

2370

break

2410

2371

elif client.approved is None:

2411

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

2412

client.name)

2372

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

2373

client.name)

2413

2374

if self.server.use_dbus:

2414

2375

# Emit D-Bus signal

2415

2376

client.NeedApproval(

2416

2377

client.approval_delay.total_seconds()

2417

2378

* 1000, client.approved_by_default)

2418

2379

else:

2419

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

2420

client.name)

2380

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

2381

client.name)

2421

2382

if self.server.use_dbus:

2422

2383

# Emit D-Bus signal

2423

2384

client.Rejected("Denied")

2431

2392

time2 = datetime.datetime.now()

2432

2393

if (time2 - time) >= delay:

2433

2394

if not client.approved_by_default:

2434

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

2435

" waiting for approval",

2436

client.name)

2395

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

2396

" waiting for approval",

2397

client.name)

2437

2398

if self.server.use_dbus:

2438

2399

# Emit D-Bus signal

2439

2400

client.Rejected("Approval timed out")

2446

2407

try:

2447

2408

session.send(client.secret)

2448

2409

except gnutls.Error as error:

2449

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

2410

logger.warning("gnutls send failed",

2411

exc_info=error)

2450

2412

return

2451

2413

2452

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

2414

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

2453

2415

# bump the timeout using extended_timeout

2454

2416

client.bump_timeout(client.extended_timeout)

2455

2417

if self.server.use_dbus:

2462

2424

try:

2463

2425

session.bye()

2464

2426

except gnutls.Error as error:

2465

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

2427

logger.warning("GnuTLS bye failed",

2428

exc_info=error)

2466

2429

2467

2430

@staticmethod

2468

2431

def peer_certificate(session):

2469

2432

"Return the peer's certificate as a bytestring"

2470

2433

try:

2471

cert_type = gnutls.certificate_type_get2(

2472

session, gnutls.CTYPE_PEERS)

2434

cert_type = gnutls.certificate_type_get2(session._c_object,

2435

gnutls.CTYPE_PEERS)

2473

2436

except AttributeError:

2474

cert_type = gnutls.certificate_type_get(session)

2437

cert_type = gnutls.certificate_type_get(session._c_object)

2475

2438

if gnutls.has_rawpk:

2476

2439

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2477

2440

else:

2478

2441

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2479

2442

# If not a valid certificate type...

2480

2443

if cert_type not in valid_cert_types:

2481

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

2482

valid_cert_types)

2444

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

2445

valid_cert_types)

2483

2446

# ...return invalid data

2484

2447

return b""

2485

2448

list_size = ctypes.c_uint(1)

2486

2449

cert_list = (gnutls.certificate_get_peers

2487

(session, ctypes.byref(list_size)))

2450

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

2488

2451

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

2489

2452

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

2490

2453

if list_size.value == 0:

2604

2567

2605

2568

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2606

2569

socketserver.TCPServer):

2607

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

2570

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

2608

2571

2609

2572

Attributes:

2610

2573

enabled: Boolean; whether this server is activated yet

2661

2624

if SO_BINDTODEVICE is None:

2662

2625

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

2663

2626

# common enough.

2664

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

2627

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

2665

2628

SO_BINDTODEVICE = 25

2666

2629

try:

2667

2630

self.socket.setsockopt(

2669

2632

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

2670

2633

except socket.error as error:

2671

2634

if error.errno == errno.EPERM:

2672

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

2673

self.interface)

2635

logger.error("No permission to bind to"

2636

" interface %s", self.interface)

2674

2637

elif error.errno == errno.ENOPROTOOPT:

2675

log.error("SO_BINDTODEVICE not available; cannot"

2676

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

2638

logger.error("SO_BINDTODEVICE not available;"

2639

" cannot bind to interface %s",

2640

self.interface)

2677

2641

elif error.errno == errno.ENODEV:

2678

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

2679

" bind", self.interface)

2642

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

2643

" cannot bind", self.interface)

2680

2644

else:

2681

2645

raise

2682

2646

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

2761

2725

request = parent_pipe.recv()

2762

2726

command = request[0]

2763

2727

2764

if command == "init":

2728

if command == 'init':

2765

2729

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

2766

2730

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

2767

2731

address = request[3]

2777

2741

client = c

2778

2742

break

2779

2743

else:

2780

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

2781

" %s", key_id or fpr, address)

2744

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

2745

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

2782

2746

if self.use_dbus:

2783

2747

# Emit D-Bus signal

2784

2748

mandos_dbus_service.ClientNotFound(key_id or fpr,

2797

2761

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

2798

2762

# same fileno

2799

2763

return False

2800

if command == "funcall":

2764

if command == 'funcall':

2801

2765

funcname = request[1]

2802

2766

args = request[2]

2803

2767

kwargs = request[3]

2804

2768

2805

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

2769

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

2806

2770

funcname)(*args,

2807

2771

**kwargs)))

2808

2772

2809

if command == "getattr":

2773

if command == 'getattr':

2810

2774

attrname = request[1]

2811

2775

if isinstance(client_object.__getattribute__(attrname),

2812

2776

collections.abc.Callable):

2813

parent_pipe.send(("function", ))

2777

parent_pipe.send(('function', ))

2814

2778

else:

2815

2779

parent_pipe.send((

2816

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

2780

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

2817

2781

2818

if command == "setattr":

2782

if command == 'setattr':

2819

2783

attrname = request[1]

2820

2784

value = request[2]

2821

2785

setattr(client_object, attrname, value)

2927

2891

def string_to_delta(interval):

2928

2892

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

2929

2893

2930

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

2931

True

2932

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

2933

True

2934

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

2935

True

2936

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

2937

True

2938

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

2939

True

2940

>>> 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)

2941

2905

True

2942

2906

"""

2943

2907

3147

3111

3148

3112

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

3149

3113

syslogger.setFormatter(

3150

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

3151

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

3114

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

3115

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

3152

3116

server_settings["servicename"])))

3153

3117

3154

3118

# Parse config file with clients

3178

3142

try:

3179

3143

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

3180

3144

except IOError as e:

3181

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

3182

exc_info=e)

3145

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

3146

exc_info=e)

3183

3147

3184

3148

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

3185

3149

("mandos", "mandos"),

3196

3160

try:

3197

3161

os.setgid(gid)

3198

3162

os.setuid(uid)

3199

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

3163

if debug:

3164

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

3165

gid))

3200

3166

except OSError as error:

3201

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

3202

os.strerror(error.errno))

3167

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

3168

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

3203

3169

if error.errno != errno.EPERM:

3204

3170

raise

3205

3171

3212

3178

3213

3179

@gnutls.log_func

3214

3180

def debug_gnutls(level, string):

3215

log.debug("GnuTLS: %s",

3216

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

3181

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

3217

3182

3218

3183

gnutls.global_set_log_function(debug_gnutls)

3219

3184

3248

3213

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

3249

3214

do_not_queue=True)

3250

3215

except dbus.exceptions.DBusException as e:

3251

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

3216

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

3252

3217

use_dbus = False

3253

3218

server_settings["use_dbus"] = False

3254

3219

tcp_server.use_dbus = False

3339

3304

os.remove(stored_state_path)

3340

3305

except IOError as e:

3341

3306

if e.errno == errno.ENOENT:

3342

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

3343

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

3307

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

3308

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

3344

3309

else:

3345

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

3346

exc_info=e)

3310

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

3311

exc_info=e)

3347

3312

raise

3348

3313

except EOFError as e:

3349

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

3350

exc_info=e)

3314

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

3315

"EOFError:",

3316

exc_info=e)

3351

3317

3352

3318

with PGPEngine() as pgp:

3353

3319

for client_name, client in clients_data.items():

3380

3346

if client["enabled"]:

3381

3347

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

3382

3348

if not client["last_checked_ok"]:

3383

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

3384

" never performed a successful"

3385

" checker", client_name)

3349

logger.warning(

3350

"disabling client {} - Client never "

3351

"performed a successful checker".format(

3352

client_name))

3386

3353

client["enabled"] = False

3387

3354

elif client["last_checker_status"] != 0:

3388

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

3389

" last checker failed with error"

3390

" code %s", client_name,

3391

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"]))

3392

3361

client["enabled"] = False

3393

3362

else:

3394

3363

client["expires"] = (

3395

3364

datetime.datetime.utcnow()

3396

3365

+ client["timeout"])

3397

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

3398

" enabled", client_name)

3366

logger.debug("Last checker succeeded,"

3367

" keeping {} enabled".format(

3368

client_name))

3399

3369

try:

3400

3370

client["secret"] = pgp.decrypt(

3401

3371

client["encrypted_secret"],

3402

3372

client_settings[client_name]["secret"])

3403

3373

except PGPError:

3404

3374

# If decryption fails, we use secret from new settings

3405

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

3406

client_name)

3375

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

3376

client_name))

3407

3377

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

3408

3378

["secret"])

3409

3379

3423

3393

server_settings=server_settings)

3424

3394

3425

3395

if not tcp_server.clients:

3426

log.warning("No clients defined")

3396

logger.warning("No clients defined")

3427

3397

3428

3398

if not foreground:

3429

3399

if pidfile is not None:

3432

3402

with pidfile:

3433

3403

print(pid, file=pidfile)

3434

3404

except IOError:

3435

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

3436

pidfilename, pid)

3405

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

3406

pidfilename, pid)

3437

3407

del pidfile

3438

3408

del pidfilename

3439

3409

3589

3559

3590

3560

try:

3591

3561

with tempfile.NamedTemporaryFile(

3592

mode="wb",

3562

mode='wb',

3593

3563

suffix=".pickle",

3594

prefix="clients-",

3564

prefix='clients-',

3595

3565

dir=os.path.dirname(stored_state_path),

3596

3566

delete=False) as stored_state:

3597

3567

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

3605

3575

except NameError:

3606

3576

pass

3607

3577

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

3608

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

3609

os.strerror(e.errno))

3578

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

3579

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

3610

3580

else:

3611

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

3612

exc_info=e)

3581

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

3582

exc_info=e)

3613

3583

raise

3614

3584

3615

3585

# Delete all clients, and settings from config

3632

3602

mandos_dbus_service.client_added_signal(client)

3633

3603

# Need to initiate checking of clients

3634

3604

if client.enabled:

3635

client.init_checker(randomize_start=True)

3605

client.init_checker()

3636

3606

3637

3607

tcp_server.enable()

3638

3608

tcp_server.server_activate()

3641

3611

if zeroconf:

3642

3612

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

3643

3613

if use_ipv6:

3644

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

3645

" 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())

3646

3617

else: # IPv4

3647

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

3648

*tcp_server.socket.getsockname())

3618

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

3619

*tcp_server.socket.getsockname())

3649

3620

3650

3621

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

3651

3622

3655

3626

try:

3656

3627

service.activate()

3657

3628

except dbus.exceptions.DBusException as error:

3658

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

3629

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

3659

3630

cleanup()

3660

3631

sys.exit(1)

3661

3632

# End of Avahi example code

3666

3637

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

3667

3638

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

3668

3639

3669

log.debug("Starting main loop")

3640

logger.debug("Starting main loop")

3670

3641

main_loop.run()

3671

3642

except AvahiError as error:

3672

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

3643

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

3673

3644

cleanup()

3674

3645

sys.exit(1)

3675

3646

except KeyboardInterrupt:

3676

3647

if debug:

3677

3648

print("", file=sys.stderr)

3678

log.debug("Server received KeyboardInterrupt")

3679

log.debug("Server exiting")

3649

logger.debug("Server received KeyboardInterrupt")

3650

logger.debug("Server exiting")

3680

3651

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

3681

3652

cleanup()

3682

3653

3683

3654

3684

def parse_test_args():

3685

# type: () -> argparse.Namespace

3655

def should_only_run_tests():

3686

3656

parser = argparse.ArgumentParser(add_help=False)

3687

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

3688

parser.add_argument("--prefix", )

3657

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

3689

3658

args, unknown_args = parser.parse_known_args()

3690

if args.check:

3691

# Remove test options from sys.argv

3659

run_tests = args.check

3660

if run_tests:

3661

# Remove --check argument from sys.argv

3692

3662

sys.argv[1:] = unknown_args

3693

return args

3663

return run_tests

3694

3664

3695

3665

# Add all tests from doctest strings

3696

3666

def load_tests(loader, tests, none):

3698

3668

tests.addTests(doctest.DocTestSuite())

3699

3669

return tests

3700

3670

3701

if __name__ == "__main__":

3702

options = parse_test_args()

3671

if __name__ == '__main__':

3703

3672

try:

3704

if options.check:

3705

extra_test_prefix = options.prefix

3706

if extra_test_prefix is not None:

3707

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

3708

.result.wasSuccessful()):

3709

sys.exit(1)

3710

class ExtraTestLoader(unittest.TestLoader):

3711

testMethodPrefix = extra_test_prefix

3712

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

3713

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

3714

else:

3715

unittest.main(argv=[""])

3673

if should_only_run_tests():

3674

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

3675

unittest.main()

3716

3676

else:

3717

3677

main()

3718

3678

finally:

3719

3679

logging.shutdown()

3720

3721

# Local Variables:

3722

# run-tests:

3723

# (lambda (&optional extra)

3724

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

3725

# extra))

3726

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

3727

# (funcall remove-test-window)

3728

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

3729

# run-tests-in-test-buffer:

3730

# (lambda (dir &optional extra)

3731

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

3732

# (setq buffer-read-only nil

3733

# default-directory dir)

3734

# (erase-buffer)

3735

# (compilation-mode))

3736

# (let ((process-result

3737

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

3738

# (process-file-shell-command

3739

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

3740

# (and (numberp process-result)

3741

# (= process-result 0))))

3742

# get-command-line:

3743

# (lambda (&optional extra)

3744

# (let ((quoted-script

3745

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

3746

# (format

3747

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

3748

# quoted-script)))

3749

# get-script-name:

3750

# (lambda ()

3751

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

3752

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

3753

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

3754

# (buffer-file-name))))

3755

# remove-test-window:

3756

# (lambda ()

3757

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

3758

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

3759

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

3760

# (lambda ()

3761

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

3762

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

3763

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

3764

# (display-buffer-overriding-action

3765

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

3766

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

3767

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

3768

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

3769

# eval:

3770

# (progn

3771

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

3772

# (funcall run-tests t)))

3773

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

3774

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

3775

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

3776

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

3777

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

3778

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

3779

# End: