/mandos/release : revision 237.7.772

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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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37

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 = "1.8.16"

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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)

406

if remove:

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self.remove()

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try:

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except dbus.exceptions.DBusException as error:

411

if (error.get_dbus_name()

412

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

413

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

413

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

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return self.rename(remove=False)

415

else:

416

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 = (

437

self.group.connect_to_signal(

438

"StateChanged", self.entry_group_state_changed))

439

log.debug("Adding Zeroconf service '%s' of type '%s' ...",

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self.name, self.type)

438

'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(

442

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.")

456

logger.debug("Zeroconf service established.")

457

elif state == avahi.ENTRY_GROUP_COLLISION:

458

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",

462

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):

475

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)

491

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)

504

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

511

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

532

533

562

563

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)

584

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

961

940

# key_id() and fingerprint() functions

962

941

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

963

942

.replace(" ", ""))

964

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

965

"").upper()

943

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

966

944

.replace(" ", ""))

967

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

968

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

969

" fingerprint", client_name)

970

del settings[client_name]

971

continue

972

945

if "secret" in section:

973

946

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

974

947

.encode("utf-8"),

1015

988

self.last_enabled = None

1016

989

self.expires = None

1017

990

1018

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

1019

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

1020

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)

1021

994

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

1022

995

datetime.datetime.utcnow())

1023

996

1051

1024

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

1052

1025

# Already enabled

1053

1026

return

1027

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

1054

1028

self.enabled = True

1055

1029

self.last_enabled = datetime.datetime.utcnow()

1056

1030

self.init_checker()

1061

1035

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

1062

1036

return False

1063

1037

if not quiet:

1064

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

1038

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

1065

1039

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

1066

1040

GLib.source_remove(self.disable_initiator_tag)

1067

1041

self.disable_initiator_tag = None

1079

1053

def __del__(self):

1080

1054

self.disable()

1081

1055

1082

def init_checker(self, randomize_start=False):

1083

# Schedule a new checker to be started a randomly selected

1084

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

1085

# the startup of checkers over time when the server is

1086

# 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.

1087

1059

if self.checker_initiator_tag is not None:

1088

1060

GLib.source_remove(self.checker_initiator_tag)

1089

interval_milliseconds = int(self.interval.total_seconds()

1090

* 1000)

1091

if randomize_start:

1092

delay_milliseconds = random.randrange(

1093

interval_milliseconds + 1)

1094

else:

1095

delay_milliseconds = interval_milliseconds

1096

1061

self.checker_initiator_tag = GLib.timeout_add(

1097

delay_milliseconds, self.start_checker, randomize_start)

1098

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

1099

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

1100

# expire at the soonest one interval after a checker was

1101

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

1102

# time might have to be extended.

1103

now = datetime.datetime.utcnow()

1104

self.expires = now + delay + self.interval

1105

# 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

1106

1066

if self.disable_initiator_tag is not None:

1107

1067

GLib.source_remove(self.disable_initiator_tag)

1108

1068

self.disable_initiator_tag = GLib.timeout_add(

1109

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

1110

self.disable)

1069

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

1070

# Also start a new checker *right now*.

1071

self.start_checker()

1111

1072

1112

1073

def checker_callback(self, source, condition, connection,

1113

1074

command):

1124

1085

self.last_checker_status = returncode

1125

1086

self.last_checker_signal = None

1126

1087

if self.last_checker_status == 0:

1127

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

1088

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

1089

vars(self))

1128

1090

self.checked_ok()

1129

1091

else:

1130

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

1092

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

1131

1093

else:

1132

1094

self.last_checker_status = -1

1133

1095

self.last_checker_signal = -returncode

1134

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

1096

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

1097

vars(self))

1135

1098

return False

1136

1099

1137

1100

def checked_ok(self):

1156

1119

def need_approval(self):

1157

1120

self.last_approval_request = datetime.datetime.utcnow()

1158

1121

1159

def start_checker(self, start_was_randomized=False):

1122

def start_checker(self):

1160

1123

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

1161

1124

1162

1125

If a checker already exists, leave it running and do

1171

1134

# should be.

1172

1135

1173

1136

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

1174

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

1137

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

1175

1138

self.checker.join()

1176

1139

self.checker = None

1177

1140

# Start a new checker if needed

1183

1146

try:

1184

1147

command = self.checker_command % escaped_attrs

1185

1148

except TypeError as error:

1186

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

1187

self.checker_command, exc_info=error)

1149

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

1150

self.checker_command,

1151

exc_info=error)

1188

1152

return True # Try again later

1189

1153

self.current_checker_command = command

1190

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

1154

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

1155

self.name)

1191

1156

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

1192

1157

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

1193

1158

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

1212

1177

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

1213

1178

GLib.PRIORITY_DEFAULT, GLib.IO_IN,

1214

1179

self.checker_callback, pipe[0], command)

1215

if start_was_randomized:

1216

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

1217

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

1218

# interval from then on.

1219

now = datetime.datetime.utcnow()

1220

self.checker_initiator_tag = GLib.timeout_add(

1221

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

1222

self.start_checker)

1223

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

1224

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

1225

return False

1226

1180

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

1227

1181

return True

1228

1182

1233

1187

self.checker_callback_tag = None

1234

1188

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

1235

1189

return

1236

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

1190

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

1237

1191

self.checker.terminate()

1238

1192

self.checker = None

1239

1193

1266

1220

func._dbus_name = func.__name__

1267

1221

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

1268

1222

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

1269

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1223

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1270

1224

return func

1271

1225

1272

1226

return decorator

1361

1315

1362

1316

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1363

1317

out_signature="s",

1364

path_keyword="object_path",

1365

connection_keyword="connection")

1318

path_keyword='object_path',

1319

connection_keyword='connection')

1366

1320

def Introspect(self, object_path, connection):

1367

1321

"""Overloading of standard D-Bus method.

1368

1322

1417

1371

document.unlink()

1418

1372

except (AttributeError, xml.dom.DOMException,

1419

1373

xml.parsers.expat.ExpatError) as error:

1420

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

1421

exc_info=error)

1374

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

1375

exc_info=error)

1422

1376

return xmlstring

1423

1377

1424

1378

1521

1475

1522

1476

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1523

1477

out_signature="s",

1524

path_keyword="object_path",

1525

connection_keyword="connection")

1478

path_keyword='object_path',

1479

connection_keyword='connection')

1526

1480

def Introspect(self, object_path, connection):

1527

1481

"""Overloading of standard D-Bus method.

1528

1482

1584

1538

document.unlink()

1585

1539

except (AttributeError, xml.dom.DOMException,

1586

1540

xml.parsers.expat.ExpatError) as error:

1587

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

1588

exc_info=error)

1541

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

1542

exc_info=error)

1589

1543

return xmlstring

1590

1544

1591

1545

1623

1577

1624

1578

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1625

1579

out_signature="s",

1626

path_keyword="object_path",

1627

connection_keyword="connection")

1580

path_keyword='object_path',

1581

connection_keyword='connection')

1628

1582

def Introspect(self, object_path, connection):

1629

1583

"""Overloading of standard D-Bus method.

1630

1584

1655

1609

document.unlink()

1656

1610

except (AttributeError, xml.dom.DOMException,

1657

1611

xml.parsers.expat.ExpatError) as error:

1658

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

1659

exc_info=error)

1612

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

1613

exc_info=error)

1660

1614

return xmlstring

1661

1615

1662

1616

2296

2250

class ProxyClient:

2297

2251

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

2298

2252

self._pipe = child_pipe

2299

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

2253

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

2300

2254

if not self._pipe.recv():

2301

2255

raise KeyError(key_id or fpr)

2302

2256

2303

2257

def __getattribute__(self, name):

2304

if name == "_pipe":

2258

if name == '_pipe':

2305

2259

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

2306

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

2260

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

2307

2261

data = self._pipe.recv()

2308

if data[0] == "data":

2262

if data[0] == 'data':

2309

2263

return data[1]

2310

if data[0] == "function":

2264

if data[0] == 'function':

2311

2265

2312

2266

def func(*args, **kwargs):

2313

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

2267

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

2314

2268

return self._pipe.recv()[1]

2315

2269

2316

2270

return func

2317

2271

2318

2272

def __setattr__(self, name, value):

2319

if name == "_pipe":

2273

if name == '_pipe':

2320

2274

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

2321

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

2275

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

2322

2276

2323

2277

2324

2278

class ClientHandler(socketserver.BaseRequestHandler, object):

2329

2283

2330

2284

def handle(self):

2331

2285

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

2332

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

2333

str(self.client_address))

2334

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())

2335

2290

2336

2291

session = gnutls.ClientSession(self.request)

2337

2292

2338

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

2293

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

2339

2294

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

2340

2295

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

2341

2296

# "+DHE-DSS"))

2343

2298

priority = self.server.gnutls_priority

2344

2299

if priority is None:

2345

2300

priority = "NORMAL"

2346

gnutls.priority_set_direct(session,

2347

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

2301

gnutls.priority_set_direct(session._c_object,

2302

priority.encode("utf-8"),

2303

None)

2348

2304

2349

2305

# Start communication using the Mandos protocol

2350

2306

# Get protocol number

2351

2307

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

2352

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

2308

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

2353

2309

try:

2354

2310

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

2355

2311

raise RuntimeError(line)

2356

2312

except (ValueError, IndexError, RuntimeError) as error:

2357

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

2313

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

2358

2314

return

2359

2315

2360

2316

# Start GnuTLS connection

2361

2317

try:

2362

2318

session.handshake()

2363

2319

except gnutls.Error as error:

2364

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

2320

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

2365

2321

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

2366

2322

# established. Just abandon the request.

2367

2323

return

2368

log.debug("Handshake succeeded")

2324

logger.debug("Handshake succeeded")

2369

2325

2370

2326

approval_required = False

2371

2327

try:

2375

2331

key_id = self.key_id(

2376

2332

self.peer_certificate(session))

2377

2333

except (TypeError, gnutls.Error) as error:

2378

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

2334

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

2379

2335

return

2380

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

2381

key_id.decode("utf-8",

2382

errors="replace"))

2336

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

2383

2337

2384

2338

else:

2385

2339

key_id = b""

2387

2341

fpr = self.fingerprint(

2388

2342

self.peer_certificate(session))

2389

2343

except (TypeError, gnutls.Error) as error:

2390

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

2344

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

2391

2345

return

2392

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

2346

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

2393

2347

2394

2348

try:

2395

2349

client = ProxyClient(child_pipe, key_id, fpr,

2404

2358

2405

2359

while True:

2406

2360

if not client.enabled:

2407

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

2361

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

2362

client.name)

2408

2363

if self.server.use_dbus:

2409

2364

# Emit D-Bus signal

2410

2365

client.Rejected("Disabled")

2414

2369

# We are approved or approval is disabled

2415

2370

break

2416

2371

elif client.approved is None:

2417

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

2418

client.name)

2372

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

2373

client.name)

2419

2374

if self.server.use_dbus:

2420

2375

# Emit D-Bus signal

2421

2376

client.NeedApproval(

2422

2377

client.approval_delay.total_seconds()

2423

2378

* 1000, client.approved_by_default)

2424

2379

else:

2425

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

2426

client.name)

2380

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

2381

client.name)

2427

2382

if self.server.use_dbus:

2428

2383

# Emit D-Bus signal

2429

2384

client.Rejected("Denied")

2437

2392

time2 = datetime.datetime.now()

2438

2393

if (time2 - time) >= delay:

2439

2394

if not client.approved_by_default:

2440

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

2441

" waiting for approval",

2442

client.name)

2395

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

2396

" waiting for approval",

2397

client.name)

2443

2398

if self.server.use_dbus:

2444

2399

# Emit D-Bus signal

2445

2400

client.Rejected("Approval timed out")

2452

2407

try:

2453

2408

session.send(client.secret)

2454

2409

except gnutls.Error as error:

2455

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

2410

logger.warning("gnutls send failed",

2411

exc_info=error)

2456

2412

return

2457

2413

2458

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

2414

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

2459

2415

# bump the timeout using extended_timeout

2460

2416

client.bump_timeout(client.extended_timeout)

2461

2417

if self.server.use_dbus:

2468

2424

try:

2469

2425

session.bye()

2470

2426

except gnutls.Error as error:

2471

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

2427

logger.warning("GnuTLS bye failed",

2428

exc_info=error)

2472

2429

2473

2430

@staticmethod

2474

2431

def peer_certificate(session):

2475

2432

"Return the peer's certificate as a bytestring"

2476

2433

try:

2477

cert_type = gnutls.certificate_type_get2(

2478

session, gnutls.CTYPE_PEERS)

2434

cert_type = gnutls.certificate_type_get2(session._c_object,

2435

gnutls.CTYPE_PEERS)

2479

2436

except AttributeError:

2480

cert_type = gnutls.certificate_type_get(session)

2437

cert_type = gnutls.certificate_type_get(session._c_object)

2481

2438

if gnutls.has_rawpk:

2482

2439

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2483

2440

else:

2484

2441

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2485

2442

# If not a valid certificate type...

2486

2443

if cert_type not in valid_cert_types:

2487

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

2488

valid_cert_types)

2444

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

2445

valid_cert_types)

2489

2446

# ...return invalid data

2490

2447

return b""

2491

2448

list_size = ctypes.c_uint(1)

2492

2449

cert_list = (gnutls.certificate_get_peers

2493

(session, ctypes.byref(list_size)))

2450

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

2494

2451

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

2495

2452

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

2496

2453

if list_size.value == 0:

2610

2567

2611

2568

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2612

2569

socketserver.TCPServer):

2613

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

2570

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

2614

2571

2615

2572

Attributes:

2616

2573

enabled: Boolean; whether this server is activated yet

2667

2624

if SO_BINDTODEVICE is None:

2668

2625

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

2669

2626

# common enough.

2670

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

2627

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

2671

2628

SO_BINDTODEVICE = 25

2672

2629

try:

2673

2630

self.socket.setsockopt(

2675

2632

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

2676

2633

except socket.error as error:

2677

2634

if error.errno == errno.EPERM:

2678

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

2679

self.interface)

2635

logger.error("No permission to bind to"

2636

" interface %s", self.interface)

2680

2637

elif error.errno == errno.ENOPROTOOPT:

2681

log.error("SO_BINDTODEVICE not available; cannot"

2682

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

2638

logger.error("SO_BINDTODEVICE not available;"

2639

" cannot bind to interface %s",

2640

self.interface)

2683

2641

elif error.errno == errno.ENODEV:

2684

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

2685

" bind", self.interface)

2642

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

2643

" cannot bind", self.interface)

2686

2644

else:

2687

2645

raise

2688

2646

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

2767

2725

request = parent_pipe.recv()

2768

2726

command = request[0]

2769

2727

2770

if command == "init":

2728

if command == 'init':

2771

2729

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

2772

2730

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

2773

2731

address = request[3]

2783

2741

client = c

2784

2742

break

2785

2743

else:

2786

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

2787

" %s", key_id or fpr, address)

2744

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

2745

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

2788

2746

if self.use_dbus:

2789

2747

# Emit D-Bus signal

2790

2748

mandos_dbus_service.ClientNotFound(key_id or fpr,

2803

2761

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

2804

2762

# same fileno

2805

2763

return False

2806

if command == "funcall":

2764

if command == 'funcall':

2807

2765

funcname = request[1]

2808

2766

args = request[2]

2809

2767

kwargs = request[3]

2810

2768

2811

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

2769

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

2812

2770

funcname)(*args,

2813

2771

**kwargs)))

2814

2772

2815

if command == "getattr":

2773

if command == 'getattr':

2816

2774

attrname = request[1]

2817

2775

if isinstance(client_object.__getattribute__(attrname),

2818

2776

collections.abc.Callable):

2819

parent_pipe.send(("function", ))

2777

parent_pipe.send(('function', ))

2820

2778

else:

2821

2779

parent_pipe.send((

2822

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

2780

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

2823

2781

2824

if command == "setattr":

2782

if command == 'setattr':

2825

2783

attrname = request[1]

2826

2784

value = request[2]

2827

2785

setattr(client_object, attrname, value)

2933

2891

def string_to_delta(interval):

2934

2892

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

2935

2893

2936

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

2937

True

2938

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

2939

True

2940

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

2941

True

2942

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

2943

True

2944

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

2945

True

2946

>>> 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)

2947

2905

True

2948

2906

"""

2949

2907

3153

3111

3154

3112

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

3155

3113

syslogger.setFormatter(

3156

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

3157

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

3114

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

3115

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

3158

3116

server_settings["servicename"])))

3159

3117

3160

3118

# Parse config file with clients

3184

3142

try:

3185

3143

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

3186

3144

except IOError as e:

3187

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

3188

exc_info=e)

3145

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

3146

exc_info=e)

3189

3147

3190

3148

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

3191

3149

("mandos", "mandos"),

3202

3160

try:

3203

3161

os.setgid(gid)

3204

3162

os.setuid(uid)

3205

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

3163

if debug:

3164

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

3165

gid))

3206

3166

except OSError as error:

3207

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

3208

os.strerror(error.errno))

3167

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

3168

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

3209

3169

if error.errno != errno.EPERM:

3210

3170

raise

3211

3171

3218

3178

3219

3179

@gnutls.log_func

3220

3180

def debug_gnutls(level, string):

3221

log.debug("GnuTLS: %s",

3222

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

3181

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

3223

3182

3224

3183

gnutls.global_set_log_function(debug_gnutls)

3225

3184

3254

3213

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

3255

3214

do_not_queue=True)

3256

3215

except dbus.exceptions.DBusException as e:

3257

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

3216

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

3258

3217

use_dbus = False

3259

3218

server_settings["use_dbus"] = False

3260

3219

tcp_server.use_dbus = False

3345

3304

os.remove(stored_state_path)

3346

3305

except IOError as e:

3347

3306

if e.errno == errno.ENOENT:

3348

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

3349

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

3307

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

3308

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

3350

3309

else:

3351

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

3352

exc_info=e)

3310

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

3311

exc_info=e)

3353

3312

raise

3354

3313

except EOFError as e:

3355

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

3356

exc_info=e)

3314

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

3315

"EOFError:",

3316

exc_info=e)

3357

3317

3358

3318

with PGPEngine() as pgp:

3359

3319

for client_name, client in clients_data.items():

3386

3346

if client["enabled"]:

3387

3347

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

3388

3348

if not client["last_checked_ok"]:

3389

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

3390

" never performed a successful"

3391

" checker", client_name)

3349

logger.warning(

3350

"disabling client {} - Client never "

3351

"performed a successful checker".format(

3352

client_name))

3392

3353

client["enabled"] = False

3393

3354

elif client["last_checker_status"] != 0:

3394

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

3395

" last checker failed with error"

3396

" code %s", client_name,

3397

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"]))

3398

3361

client["enabled"] = False

3399

3362

else:

3400

3363

client["expires"] = (

3401

3364

datetime.datetime.utcnow()

3402

3365

+ client["timeout"])

3403

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

3404

" enabled", client_name)

3366

logger.debug("Last checker succeeded,"

3367

" keeping {} enabled".format(

3368

client_name))

3405

3369

try:

3406

3370

client["secret"] = pgp.decrypt(

3407

3371

client["encrypted_secret"],

3408

3372

client_settings[client_name]["secret"])

3409

3373

except PGPError:

3410

3374

# If decryption fails, we use secret from new settings

3411

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

3412

client_name)

3375

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

3376

client_name))

3413

3377

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

3414

3378

["secret"])

3415

3379

3429

3393

server_settings=server_settings)

3430

3394

3431

3395

if not tcp_server.clients:

3432

log.warning("No clients defined")

3396

logger.warning("No clients defined")

3433

3397

3434

3398

if not foreground:

3435

3399

if pidfile is not None:

3438

3402

with pidfile:

3439

3403

print(pid, file=pidfile)

3440

3404

except IOError:

3441

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

3442

pidfilename, pid)

3405

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

3406

pidfilename, pid)

3443

3407

del pidfile

3444

3408

del pidfilename

3445

3409

3595

3559

3596

3560

try:

3597

3561

with tempfile.NamedTemporaryFile(

3598

mode="wb",

3562

mode='wb',

3599

3563

suffix=".pickle",

3600

prefix="clients-",

3564

prefix='clients-',

3601

3565

dir=os.path.dirname(stored_state_path),

3602

3566

delete=False) as stored_state:

3603

3567

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

3611

3575

except NameError:

3612

3576

pass

3613

3577

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

3614

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

3615

os.strerror(e.errno))

3578

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

3579

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

3616

3580

else:

3617

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

3618

exc_info=e)

3581

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

3582

exc_info=e)

3619

3583

raise

3620

3584

3621

3585

# Delete all clients, and settings from config

3638

3602

mandos_dbus_service.client_added_signal(client)

3639

3603

# Need to initiate checking of clients

3640

3604

if client.enabled:

3641

client.init_checker(randomize_start=True)

3605

client.init_checker()

3642

3606

3643

3607

tcp_server.enable()

3644

3608

tcp_server.server_activate()

3647

3611

if zeroconf:

3648

3612

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

3649

3613

if use_ipv6:

3650

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

3651

" 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())

3652

3617

else: # IPv4

3653

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

3654

*tcp_server.socket.getsockname())

3618

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

3619

*tcp_server.socket.getsockname())

3655

3620

3656

3621

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

3657

3622

3661

3626

try:

3662

3627

service.activate()

3663

3628

except dbus.exceptions.DBusException as error:

3664

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

3629

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

3665

3630

cleanup()

3666

3631

sys.exit(1)

3667

3632

# End of Avahi example code

3672

3637

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

3673

3638

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

3674

3639

3675

log.debug("Starting main loop")

3640

logger.debug("Starting main loop")

3676

3641

main_loop.run()

3677

3642

except AvahiError as error:

3678

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

3643

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

3679

3644

cleanup()

3680

3645

sys.exit(1)

3681

3646

except KeyboardInterrupt:

3682

3647

if debug:

3683

3648

print("", file=sys.stderr)

3684

log.debug("Server received KeyboardInterrupt")

3685

log.debug("Server exiting")

3649

logger.debug("Server received KeyboardInterrupt")

3650

logger.debug("Server exiting")

3686

3651

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

3687

3652

cleanup()

3688

3653

3689

3654

3690

def parse_test_args():

3691

# type: () -> argparse.Namespace

3655

def should_only_run_tests():

3692

3656

parser = argparse.ArgumentParser(add_help=False)

3693

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

3694

parser.add_argument("--prefix", )

3657

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

3695

3658

args, unknown_args = parser.parse_known_args()

3696

if args.check:

3697

# Remove test options from sys.argv

3659

run_tests = args.check

3660

if run_tests:

3661

# Remove --check argument from sys.argv

3698

3662

sys.argv[1:] = unknown_args

3699

return args

3663

return run_tests

3700

3664

3701

3665

# Add all tests from doctest strings

3702

3666

def load_tests(loader, tests, none):

3704

3668

tests.addTests(doctest.DocTestSuite())

3705

3669

return tests

3706

3670

3707

if __name__ == "__main__":

3708

options = parse_test_args()

3671

if __name__ == '__main__':

3709

3672

try:

3710

if options.check:

3711

extra_test_prefix = options.prefix

3712

if extra_test_prefix is not None:

3713

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

3714

.result.wasSuccessful()):

3715

sys.exit(1)

3716

class ExtraTestLoader(unittest.TestLoader):

3717

testMethodPrefix = extra_test_prefix

3718

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

3719

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

3720

else:

3721

unittest.main(argv=[""])

3673

if should_only_run_tests():

3674

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

3675

unittest.main()

3722

3676

else:

3723

3677

main()

3724

3678

finally:

3725

3679

logging.shutdown()

3726

3727

# Local Variables:

3728

# run-tests:

3729

# (lambda (&optional extra)

3730

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

3731

# extra))

3732

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

3733

# (funcall remove-test-window)

3734

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

3735

# run-tests-in-test-buffer:

3736

# (lambda (dir &optional extra)

3737

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

3738

# (setq buffer-read-only nil

3739

# default-directory dir)

3740

# (erase-buffer)

3741

# (compilation-mode))

3742

# (let ((process-result

3743

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

3744

# (process-file-shell-command

3745

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

3746

# (and (numberp process-result)

3747

# (= process-result 0))))

3748

# get-command-line:

3749

# (lambda (&optional extra)

3750

# (let ((quoted-script

3751

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

3752

# (format

3753

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

3754

# quoted-script)))

3755

# get-script-name:

3756

# (lambda ()

3757

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

3758

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

3759

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

3760

# (buffer-file-name))))

3761

# remove-test-window:

3762

# (lambda ()

3763

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

3764

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

3765

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

3766

# (lambda ()

3767

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

3768

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

3769

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

3770

# (display-buffer-overriding-action

3771

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

3772

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

3773

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

3774

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

3775

# eval:

3776

# (progn

3777

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

3778

# (funcall run-tests t)))

3779

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

3780

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

3781

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

3782

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

3783

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

3784

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

3785

# End: