/mandos/trunk : revision 1288

1

#!/usr/bin/python

2

# -*- mode: python; coding: utf-8 -*-

1

#!/usr/bin/python3 -bI

2

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

3

#

4

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

5

#

11

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

12

#

13

# Everything else is

14

15

14

15

16

#

17

# This file is part of Mandos.

18

#

31

#

32

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

33

#

34

35

34

from __future__ import (division, absolute_import, print_function,

36

35

unicode_literals)

37

36

40

39

except ImportError:

41

40

pass

42

41

42

import sys

43

import unittest

44

import argparse

45

import logging

46

import os

43

47

try:

44

48

import SocketServer as socketserver

45

49

except ImportError:

46

50

import socketserver

47

51

import socket

48

import argparse

49

52

import datetime

50

53

import errno

51

54

try:

52

55

import ConfigParser as configparser

53

56

except ImportError:

54

57

import configparser

55

import sys

56

58

import re

57

import os

58

59

import signal

59

60

import subprocess

60

61

import atexit

61

62

import stat

62

import logging

63

import logging.handlers

64

import pwd

65

import contextlib

77

import itertools

78

import collections

79

import codecs

80

import random

81

import shlex

80

82

81

83

import dbus

82

84

import dbus.service

85

import gi

83

86

from gi.repository import GLib

84

87

from dbus.mainloop.glib import DBusGMainLoop

85

88

import ctypes

87

90

import xml.dom.minidom

88

91

import inspect

89

92

93

if sys.version_info.major == 2:

94

__metaclass__ = type

95

str = unicode

96

input = raw_input

97

98

# Add collections.abc.Callable if it does not exist

99

try:

100

collections.abc.Callable

101

except AttributeError:

102

class abc:

103

Callable = collections.Callable

104

collections.abc = abc

105

del abc

106

107

# Add shlex.quote if it does not exist

108

try:

109

shlex.quote

110

except AttributeError:

111

shlex.quote = re.escape

112

113

# Show warnings by default

114

if not sys.warnoptions:

115

import warnings

116

warnings.simplefilter("default")

117

90

118

# Try to find the value of SO_BINDTODEVICE:

91

119

try:

92

120

# This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and

112

140

# No value found

113

141

SO_BINDTODEVICE = None

114

142

115

if sys.version_info.major == 2:

116

str = unicode

143

if sys.version_info < (3, 2):

144

configparser.Configparser = configparser.SafeConfigParser

117

145

118

version = "1.7.20"

146

version = "1.8.16"

119

147

stored_state_file = "clients.pickle"

120

148

121

logger = logging.getLogger()

149

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

150

logging.captureWarnings(True) # Show warnings via the logging system

122

151

syslogger = None

123

152

124

153

try:

160

189

facility=logging.handlers.SysLogHandler.LOG_DAEMON,

161

190

address="/dev/log"))

162

191

syslogger.setFormatter(logging.Formatter

163

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

164

' %(message)s'))

165

logger.addHandler(syslogger)

192

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

193

" %(message)s"))

194

log.addHandler(syslogger)

166

195

167

196

if debug:

168

197

console = logging.StreamHandler()

169

console.setFormatter(logging.Formatter('%(asctime)s %(name)s'

170

' [%(process)d]:'

171

' %(levelname)s:'

172

' %(message)s'))

173

logger.addHandler(console)

174

logger.setLevel(level)

198

console.setFormatter(logging.Formatter("%(asctime)s %(name)s"

199

" [%(process)d]:"

200

" %(levelname)s:"

201

" %(message)s"))

202

log.addHandler(console)

203

log.setLevel(level)

175

204

176

205

177

206

class PGPError(Exception):

179

208

pass

180

209

181

210

182

class PGPEngine(object):

211

class PGPEngine:

183

212

"""A simple class for OpenPGP symmetric encryption & decryption"""

184

213

185

214

def __init__(self):

189

218

output = subprocess.check_output(["gpgconf"])

190

219

for line in output.splitlines():

191

220

name, text, path = line.split(b":")

192

if name == "gpg":

221

if name == b"gpg":

193

222

self.gpg = path

194

223

break

195

224

except OSError as e:

196

225

if e.errno != errno.ENOENT:

197

226

raise

198

self.gnupgargs = ['--batch',

199

'--homedir', self.tempdir,

200

'--force-mdc',

201

'--quiet']

227

self.gnupgargs = ["--batch",

228

"--homedir", self.tempdir,

229

"--force-mdc",

230

"--quiet"]

202

231

# Only GPG version 1 has the --no-use-agent option.

203

if self.gpg == "gpg" or self.gpg.endswith("/gpg"):

232

if self.gpg == b"gpg" or self.gpg.endswith(b"/gpg"):

204

233

self.gnupgargs.append("--no-use-agent")

205

234

206

235

def __enter__(self):

243

272

dir=self.tempdir) as passfile:

244

273

passfile.write(passphrase)

245

274

passfile.flush()

246

proc = subprocess.Popen([self.gpg, '--symmetric',

247

'--passphrase-file',

275

proc = subprocess.Popen([self.gpg, "--symmetric",

276

"--passphrase-file",

248

277

passfile.name]

249

278

+ self.gnupgargs,

250

279

stdin=subprocess.PIPE,

261

290

dir=self.tempdir) as passfile:

262

291

passfile.write(passphrase)

263

292

passfile.flush()

264

proc = subprocess.Popen([self.gpg, '--decrypt',

265

'--passphrase-file',

293

proc = subprocess.Popen([self.gpg, "--decrypt",

294

"--passphrase-file",

266

295

passfile.name]

267

296

+ self.gnupgargs,

268

297

stdin=subprocess.PIPE,

275

304

276

305

277

306

# Pretend that we have an Avahi module

278

class Avahi(object):

279

"""This isn't so much a class as it is a module-like namespace.

280

It is instantiated once, and simulates having an Avahi module."""

307

class avahi:

308

"""This isn't so much a class as it is a module-like namespace."""

281

309

IF_UNSPEC = -1 # avahi-common/address.h

282

310

PROTO_UNSPEC = -1 # avahi-common/address.h

283

311

PROTO_INET = 0 # avahi-common/address.h

287

315

DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"

288

316

DBUS_PATH_SERVER = "/"

289

317

290

def string_array_to_txt_array(self, t):

318

@staticmethod

319

def string_array_to_txt_array(t):

291

320

return dbus.Array((dbus.ByteArray(s.encode("utf-8"))

292

321

for s in t), signature="ay")

293

322

ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h

298

327

SERVER_RUNNING = 2 # avahi-common/defs.h

299

328

SERVER_COLLISION = 3 # avahi-common/defs.h

300

329

SERVER_FAILURE = 4 # avahi-common/defs.h

301

avahi = Avahi()

302

330

303

331

304

332

class AvahiError(Exception):

316

344

pass

317

345

318

346

319

class AvahiService(object):

347

class AvahiService:

320

348

"""An Avahi (Zeroconf) service.

321

349

322

350

Attributes:

323

351

interface: integer; avahi.IF_UNSPEC or an interface index.

324

352

Used to optionally bind to the specified interface.

325

name: string; Example: 'Mandos'

326

type: string; Example: '_mandos._tcp'.

353

name: string; Example: "Mandos"

354

type: string; Example: "_mandos._tcp".

327

355

See <https://www.iana.org/assignments/service-names-port-numbers>

328

356

port: integer; what port to announce

329

357

TXT: list of strings; TXT record for the service

366

394

def rename(self, remove=True):

367

395

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

368

396

if self.rename_count >= self.max_renames:

369

logger.critical("No suitable Zeroconf service name found"

370

" after %i retries, exiting.",

371

self.rename_count)

397

log.critical("No suitable Zeroconf service name found"

398

" after %i retries, exiting.",

399

self.rename_count)

372

400

raise AvahiServiceError("Too many renames")

373

401

self.name = str(

374

402

self.server.GetAlternativeServiceName(self.name))

375

403

self.rename_count += 1

376

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

377

self.name)

404

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

405

self.name)

378

406

if remove:

379

407

self.remove()

380

408

try:

382

410

except dbus.exceptions.DBusException as error:

383

411

if (error.get_dbus_name()

384

412

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

385

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

413

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

386

414

return self.rename(remove=False)

387

415

else:

388

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

416

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

389

417

self.cleanup()

390

418

os._exit(1)

391

419

407

435

avahi.DBUS_INTERFACE_ENTRY_GROUP)

408

436

self.entry_group_state_changed_match = (

409

437

self.group.connect_to_signal(

410

'StateChanged', self.entry_group_state_changed))

411

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

412

self.name, self.type)

438

"StateChanged", self.entry_group_state_changed))

439

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

440

self.name, self.type)

413

441

self.group.AddService(

414

442

self.interface,

415

443

self.protocol,

422

450

423

451

def entry_group_state_changed(self, state, error):

424

452

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

425

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

453

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

426

454

427

455

if state == avahi.ENTRY_GROUP_ESTABLISHED:

428

logger.debug("Zeroconf service established.")

456

log.debug("Zeroconf service established.")

429

457

elif state == avahi.ENTRY_GROUP_COLLISION:

430

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

458

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

431

459

self.rename()

432

460

elif state == avahi.ENTRY_GROUP_FAILURE:

433

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

434

str(error))

461

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

462

str(error))

435

463

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

436

464

437

465

def cleanup(self):

447

475

448

476

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

449

477

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

450

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

478

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

451

479

bad_states = {

452

480

avahi.SERVER_INVALID: "Zeroconf server invalid",

453

481

avahi.SERVER_REGISTERING: None,

457

485

if state in bad_states:

458

486

if bad_states[state] is not None:

459

487

if error is None:

460

logger.error(bad_states[state])

488

log.error(bad_states[state])

461

489

else:

462

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

490

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

463

491

self.cleanup()

464

492

elif state == avahi.SERVER_RUNNING:

465

493

try:

467

495

except dbus.exceptions.DBusException as error:

468

496

if (error.get_dbus_name()

469

497

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

470

logger.info("Local Zeroconf service name"

471

" collision.")

498

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

472

499

return self.rename(remove=False)

473

500

else:

474

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

501

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

475

502

self.cleanup()

476

503

os._exit(1)

477

504

else:

478

505

if error is None:

479

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

506

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

480

507

else:

481

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

508

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

482

509

483

510

def activate(self):

484

511

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

496

523

class AvahiServiceToSyslog(AvahiService):

497

524

def rename(self, *args, **kwargs):

498

525

"""Add the new name to the syslog messages"""

499

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

526

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

527

**kwargs)

500

528

syslogger.setFormatter(logging.Formatter(

501

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

529

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

502

530

.format(self.name)))

503

531

return ret

504

532

505

533

506

534

# Pretend that we have a GnuTLS module

507

class GnuTLS(object):

508

"""This isn't so much a class as it is a module-like namespace.

509

It is instantiated once, and simulates having a GnuTLS module."""

535

class gnutls:

536

"""This isn't so much a class as it is a module-like namespace."""

510

537

511

538

library = ctypes.util.find_library("gnutls")

512

539

if library is None:

513

540

library = ctypes.util.find_library("gnutls-deb0")

514

541

_library = ctypes.cdll.LoadLibrary(library)

515

542

del library

516

_need_version = b"3.3.0"

517

_tls_rawpk_version = b"3.6.6"

518

519

def __init__(self):

520

# Need to use "self" here, since this method is called before

521

# the assignment to the "gnutls" global variable happens.

522

if self.check_version(self._need_version) is None:

523

raise self.Error("Needs GnuTLS {} or later"

524

.format(self._need_version))

525

543

526

544

# Unless otherwise indicated, the constants and types below are

527

545

# all from the gnutls/gnutls.h C header file.

544

562

OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h

545

563

546

564

# Types

547

class session_int(ctypes.Structure):

565

class _session_int(ctypes.Structure):

548

566

_fields_ = []

549

session_t = ctypes.POINTER(session_int)

567

session_t = ctypes.POINTER(_session_int)

550

568

551

569

class certificate_credentials_st(ctypes.Structure):

552

570

_fields_ = []

555

573

certificate_type_t = ctypes.c_int

556

574

557

575

class datum_t(ctypes.Structure):

558

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

559

('size', ctypes.c_uint)]

576

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

577

("size", ctypes.c_uint)]

560

578

561

class openpgp_crt_int(ctypes.Structure):

579

class _openpgp_crt_int(ctypes.Structure):

562

580

_fields_ = []

563

openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)

581

openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)

564

582

openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h

565

583

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

566

584

credentials_type_t = ctypes.c_int

569

587

570

588

# Exceptions

571

589

class Error(Exception):

572

# We need to use the class name "GnuTLS" here, since this

573

# exception might be raised from within GnuTLS.__init__,

574

# which is called before the assignment to the "gnutls"

575

# global variable has happened.

576

590

def __init__(self, message=None, code=None, args=()):

577

591

# Default usage is by a message string, but if a return

578

592

# code is passed, convert it to a string with

579

593

# gnutls.strerror()

580

594

self.code = code

581

595

if message is None and code is not None:

582

message = GnuTLS.strerror(code)

583

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

596

message = gnutls.strerror(code).decode(

597

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

598

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

584

599

message, *args)

585

600

586

601

class CertificateSecurityError(Error):

587

602

pass

588

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

589

629

# Classes

590

class Credentials(object):

630

class Credentials(With_from_param):

591

631

def __init__(self):

592

self._c_object = gnutls.certificate_credentials_t()

593

gnutls.certificate_allocate_credentials(

594

ctypes.byref(self._c_object))

632

self._as_parameter_ = gnutls.certificate_credentials_t()

633

gnutls.certificate_allocate_credentials(self)

595

634

self.type = gnutls.CRD_CERTIFICATE

596

635

597

636

def __del__(self):

598

gnutls.certificate_free_credentials(self._c_object)

637

gnutls.certificate_free_credentials(self)

599

638

600

class ClientSession(object):

639

class ClientSession(With_from_param):

601

640

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

602

self._c_object = gnutls.session_t()

641

self._as_parameter_ = gnutls.session_t()

603

642

gnutls_flags = gnutls.CLIENT

604

if gnutls.check_version("3.5.6"):

643

if gnutls.check_version(b"3.5.6"):

605

644

gnutls_flags |= gnutls.NO_TICKETS

606

645

if gnutls.has_rawpk:

607

646

gnutls_flags |= gnutls.ENABLE_RAWPK

608

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

647

gnutls.init(self, gnutls_flags)

609

648

del gnutls_flags

610

gnutls.set_default_priority(self._c_object)

611

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

612

gnutls.handshake_set_private_extensions(self._c_object,

613

True)

649

gnutls.set_default_priority(self)

650

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

651

gnutls.handshake_set_private_extensions(self, True)

614

652

self.socket = socket

615

653

if credentials is None:

616

654

credentials = gnutls.Credentials()

617

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

618

ctypes.cast(credentials._c_object,

619

ctypes.c_void_p))

655

gnutls.credentials_set(self, credentials.type,

656

credentials)

620

657

self.credentials = credentials

621

658

622

659

def __del__(self):

623

gnutls.deinit(self._c_object)

660

gnutls.deinit(self)

624

661

625

662

def handshake(self):

626

return gnutls.handshake(self._c_object)

663

return gnutls.handshake(self)

627

664

628

665

def send(self, data):

629

666

data = bytes(data)

630

667

data_len = len(data)

631

668

while data_len > 0:

632

data_len -= gnutls.record_send(self._c_object,

633

data[-data_len:],

669

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

634

670

data_len)

635

671

636

672

def bye(self):

637

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

673

return gnutls.bye(self, gnutls.SHUT_RDWR)

638

674

639

675

# Error handling functions

640

676

def _error_code(result):

641

677

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

642

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

643

if result >= 0:

678

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

679

if result >= gnutls.E_SUCCESS:

644

680

return result

645

681

if result == gnutls.E_NO_CERTIFICATE_FOUND:

646

682

raise gnutls.CertificateSecurityError(code=result)

647

683

raise gnutls.Error(code=result)

648

684

649

def _retry_on_error(result, func, arguments):

685

def _retry_on_error(result, func, arguments,

686

_error_code=_error_code):

650

687

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

651

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

652

while result < 0:

688

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

689

while result < gnutls.E_SUCCESS:

653

690

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

654

691

return _error_code(result)

655

692

result = func(*arguments)

660

697

661

698

# Functions

662

699

priority_set_direct = _library.gnutls_priority_set_direct

663

priority_set_direct.argtypes = [session_t, ctypes.c_char_p,

700

priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,

664

701

ctypes.POINTER(ctypes.c_char_p)]

665

702

priority_set_direct.restype = _error_code

666

703

667

704

init = _library.gnutls_init

668

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

705

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

669

706

init.restype = _error_code

670

707

671

708

set_default_priority = _library.gnutls_set_default_priority

672

set_default_priority.argtypes = [session_t]

709

set_default_priority.argtypes = [ClientSession]

673

710

set_default_priority.restype = _error_code

674

711

675

712

record_send = _library.gnutls_record_send

676

record_send.argtypes = [session_t, ctypes.c_void_p,

713

record_send.argtypes = [ClientSession, ctypes.c_void_p,

677

714

ctypes.c_size_t]

678

715

record_send.restype = ctypes.c_ssize_t

679

716

record_send.errcheck = _retry_on_error

681

718

certificate_allocate_credentials = (

682

719

_library.gnutls_certificate_allocate_credentials)

683

720

certificate_allocate_credentials.argtypes = [

684

ctypes.POINTER(certificate_credentials_t)]

721

PointerTo(Credentials)]

685

722

certificate_allocate_credentials.restype = _error_code

686

723

687

724

certificate_free_credentials = (

688

725

_library.gnutls_certificate_free_credentials)

689

certificate_free_credentials.argtypes = [

690

certificate_credentials_t]

726

certificate_free_credentials.argtypes = [Credentials]

691

727

certificate_free_credentials.restype = None

692

728

693

729

handshake_set_private_extensions = (

694

730

_library.gnutls_handshake_set_private_extensions)

695

handshake_set_private_extensions.argtypes = [session_t,

731

handshake_set_private_extensions.argtypes = [ClientSession,

696

732

ctypes.c_int]

697

733

handshake_set_private_extensions.restype = None

698

734

699

735

credentials_set = _library.gnutls_credentials_set

700

credentials_set.argtypes = [session_t, credentials_type_t,

701

ctypes.c_void_p]

736

credentials_set.argtypes = [ClientSession, credentials_type_t,

737

CastToVoidPointer(Credentials)]

702

738

credentials_set.restype = _error_code

703

739

704

740

strerror = _library.gnutls_strerror

706

742

strerror.restype = ctypes.c_char_p

707

743

708

744

certificate_type_get = _library.gnutls_certificate_type_get

709

certificate_type_get.argtypes = [session_t]

745

certificate_type_get.argtypes = [ClientSession]

710

746

certificate_type_get.restype = _error_code

711

747

712

748

certificate_get_peers = _library.gnutls_certificate_get_peers

713

certificate_get_peers.argtypes = [session_t,

749

certificate_get_peers.argtypes = [ClientSession,

714

750

ctypes.POINTER(ctypes.c_uint)]

715

751

certificate_get_peers.restype = ctypes.POINTER(datum_t)

716

752

723

759

global_set_log_function.restype = None

724

760

725

761

deinit = _library.gnutls_deinit

726

deinit.argtypes = [session_t]

762

deinit.argtypes = [ClientSession]

727

763

deinit.restype = None

728

764

729

765

handshake = _library.gnutls_handshake

730

handshake.argtypes = [session_t]

731

handshake.restype = _error_code

766

handshake.argtypes = [ClientSession]

767

handshake.restype = ctypes.c_int

732

768

handshake.errcheck = _retry_on_error

733

769

734

770

transport_set_ptr = _library.gnutls_transport_set_ptr

735

transport_set_ptr.argtypes = [session_t, transport_ptr_t]

771

transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]

736

772

transport_set_ptr.restype = None

737

773

738

774

bye = _library.gnutls_bye

739

bye.argtypes = [session_t, close_request_t]

740

bye.restype = _error_code

775

bye.argtypes = [ClientSession, close_request_t]

776

bye.restype = ctypes.c_int

741

777

bye.errcheck = _retry_on_error

742

778

743

779

check_version = _library.gnutls_check_version

744

780

check_version.argtypes = [ctypes.c_char_p]

745

781

check_version.restype = ctypes.c_char_p

746

782

783

_need_version = b"3.3.0"

784

if check_version(_need_version) is None:

785

raise self.Error("Needs GnuTLS {} or later"

786

.format(_need_version))

787

788

_tls_rawpk_version = b"3.6.6"

747

789

has_rawpk = bool(check_version(_tls_rawpk_version))

748

790

749

791

if has_rawpk:

754

796

755

797

x509_crt_fmt_t = ctypes.c_int

756

798

757

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

799

# All the function declarations below are from

800

# gnutls/abstract.h

758

801

pubkey_init = _library.gnutls_pubkey_init

759

802

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

760

803

pubkey_init.restype = _error_code

774

817

pubkey_deinit.argtypes = [pubkey_t]

775

818

pubkey_deinit.restype = None

776

819

else:

777

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

820

# All the function declarations below are from

821

# gnutls/openpgp.h

778

822

779

823

openpgp_crt_init = _library.gnutls_openpgp_crt_init

780

824

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

786

830

openpgp_crt_fmt_t]

787

831

openpgp_crt_import.restype = _error_code

788

832

789

openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self

790

openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,

791

ctypes.POINTER(ctypes.c_uint)]

833

openpgp_crt_verify_self = \

834

_library.gnutls_openpgp_crt_verify_self

835

openpgp_crt_verify_self.argtypes = [

836

openpgp_crt_t,

837

ctypes.c_uint,

838

ctypes.POINTER(ctypes.c_uint),

839

]

792

840

openpgp_crt_verify_self.restype = _error_code

793

841

794

842

openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit

803

851

ctypes.c_size_t)]

804

852

openpgp_crt_get_fingerprint.restype = _error_code

805

853

806

if check_version("3.6.4"):

854

if check_version(b"3.6.4"):

807

855

certificate_type_get2 = _library.gnutls_certificate_type_get2

808

certificate_type_get2.argtypes = [session_t, ctypes.c_int]

856

certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]

809

857

certificate_type_get2.restype = _error_code

810

858

811

859

# Remove non-public functions

812

860

del _error_code, _retry_on_error

813

# Create the global "gnutls" object, simulating a module

814

gnutls = GnuTLS()

815

861

816

862

817

863

def call_pipe(connection, # : multiprocessing.Connection

825

871

connection.close()

826

872

827

873

828

class Client(object):

874

class Client:

829

875

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

830

876

831

877

Attributes:

832

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

878

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

833

879

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

834

880

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

835

checker: subprocess.Popen(); a running checker process used

836

to see if the client lives.

837

'None' if no process is running.

881

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

882

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

883

running.

838

884

checker_callback_tag: a GLib event source tag, or None

839

885

checker_command: string; External command which is run to check

840

886

if client lives. %() expansions are done at

915

961

# key_id() and fingerprint() functions

916

962

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

917

963

.replace(" ", ""))

918

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

964

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

965

"").upper()

919

966

.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

920

972

if "secret" in section:

921

973

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

922

974

.encode("utf-8"),

963

1015

self.last_enabled = None

964

1016

self.expires = None

965

1017

966

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

967

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

968

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

1018

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

1019

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

1020

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

969

1021

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

970

1022

datetime.datetime.utcnow())

971

1023

999

1051

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

1000

1052

# Already enabled

1001

1053

return

1002

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

1003

1054

self.enabled = True

1004

1055

self.last_enabled = datetime.datetime.utcnow()

1005

1056

self.init_checker()

1010

1061

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

1011

1062

return False

1012

1063

if not quiet:

1013

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

1064

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

1014

1065

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

1015

1066

GLib.source_remove(self.disable_initiator_tag)

1016

1067

self.disable_initiator_tag = None

1028

1079

def __del__(self):

1029

1080

self.disable()

1030

1081

1031

def init_checker(self):

1032

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

1033

# and every interval from then on.

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.

1034

1087

if self.checker_initiator_tag is not None:

1035

1088

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

1036

1096

self.checker_initiator_tag = GLib.timeout_add(

1037

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

1038

self.start_checker)

1039

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

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

1040

1106

if self.disable_initiator_tag is not None:

1041

1107

GLib.source_remove(self.disable_initiator_tag)

1042

1108

self.disable_initiator_tag = GLib.timeout_add(

1043

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

1044

# Also start a new checker *right now*.

1045

self.start_checker()

1109

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

1110

self.disable)

1046

1111

1047

1112

def checker_callback(self, source, condition, connection,

1048

1113

command):

1049

1114

"""The checker has completed, so take appropriate actions."""

1050

self.checker_callback_tag = None

1051

self.checker = None

1052

1115

# Read return code from connection (see call_pipe)

1053

1116

returncode = connection.recv()

1054

1117

connection.close()

1118

if self.checker is not None:

1119

self.checker.join()

1120

self.checker_callback_tag = None

1121

self.checker = None

1055

1122

1056

1123

if returncode >= 0:

1057

1124

self.last_checker_status = returncode

1058

1125

self.last_checker_signal = None

1059

1126

if self.last_checker_status == 0:

1060

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

1061

vars(self))

1127

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

1062

1128

self.checked_ok()

1063

1129

else:

1064

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

1130

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

1065

1131

else:

1066

1132

self.last_checker_status = -1

1067

1133

self.last_checker_signal = -returncode

1068

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

1069

vars(self))

1134

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

1070

1135

return False

1071

1136

1072

1137

def checked_ok(self):

1091

1156

def need_approval(self):

1092

1157

self.last_approval_request = datetime.datetime.utcnow()

1093

1158

1094

def start_checker(self):

1159

def start_checker(self, start_was_randomized=False):

1095

1160

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

1096

1161

1097

1162

If a checker already exists, leave it running and do

1106

1171

# should be.

1107

1172

1108

1173

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

1109

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

1174

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

1110

1175

self.checker.join()

1111

1176

self.checker = None

1112

1177

# Start a new checker if needed

1113

1178

if self.checker is None:

1114

1179

# Escape attributes for the shell

1115

1180

escaped_attrs = {

1116

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

1181

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

1117

1182

for attr in self.runtime_expansions}

1118

1183

try:

1119

1184

command = self.checker_command % escaped_attrs

1120

1185

except TypeError as error:

1121

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

1122

self.checker_command,

1123

exc_info=error)

1186

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

1187

self.checker_command, exc_info=error)

1124

1188

return True # Try again later

1125

1189

self.current_checker_command = command

1126

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

1127

self.name)

1190

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

1128

1191

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

1129

1192

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

1130

1193

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

1146

1209

kwargs=popen_args)

1147

1210

self.checker.start()

1148

1211

self.checker_callback_tag = GLib.io_add_watch(

1149

pipe[0].fileno(), GLib.IO_IN,

1212

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

1213

GLib.PRIORITY_DEFAULT, GLib.IO_IN,

1150

1214

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

1151

1226

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

1152

1227

return True

1153

1228

1158

1233

self.checker_callback_tag = None

1159

1234

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

1160

1235

return

1161

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

1236

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

1162

1237

self.checker.terminate()

1163

1238

self.checker = None

1164

1239

1191

1266

func._dbus_name = func.__name__

1192

1267

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

1193

1268

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

1194

func._dbus_get_args_options = {'byte_arrays': byte_arrays}

1269

func._dbus_get_args_options = {"byte_arrays": byte_arrays}

1195

1270

return func

1196

1271

1197

1272

return decorator

1286

1361

1287

1362

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1288

1363

out_signature="s",

1289

path_keyword='object_path',

1290

connection_keyword='connection')

1364

path_keyword="object_path",

1365

connection_keyword="connection")

1291

1366

def Introspect(self, object_path, connection):

1292

1367

"""Overloading of standard D-Bus method.

1293

1368

1342

1417

document.unlink()

1343

1418

except (AttributeError, xml.dom.DOMException,

1344

1419

xml.parsers.expat.ExpatError) as error:

1345

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

1346

exc_info=error)

1420

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

1421

exc_info=error)

1347

1422

return xmlstring

1348

1423

1349

1424

1407

1482

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

1408

1483

"'ay' signature {!r}"

1409

1484

.format(prop._dbus_signature))

1410

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

1411

for byte in value))

1485

value = dbus.ByteArray(bytes(value))

1412

1486

prop(value)

1413

1487

1414

1488

@dbus.service.method(dbus.PROPERTIES_IFACE,

1447

1521

1448

1522

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1449

1523

out_signature="s",

1450

path_keyword='object_path',

1451

connection_keyword='connection')

1524

path_keyword="object_path",

1525

connection_keyword="connection")

1452

1526

def Introspect(self, object_path, connection):

1453

1527

"""Overloading of standard D-Bus method.

1454

1528

1510

1584

document.unlink()

1511

1585

except (AttributeError, xml.dom.DOMException,

1512

1586

xml.parsers.expat.ExpatError) as error:

1513

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

1514

exc_info=error)

1587

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

1588

exc_info=error)

1515

1589

return xmlstring

1516

1590

1517

1591

1549

1623

1550

1624

@dbus.service.method(dbus.INTROSPECTABLE_IFACE,

1551

1625

out_signature="s",

1552

path_keyword='object_path',

1553

connection_keyword='connection')

1626

path_keyword="object_path",

1627

connection_keyword="connection")

1554

1628

def Introspect(self, object_path, connection):

1555

1629

"""Overloading of standard D-Bus method.

1556

1630

1581

1655

document.unlink()

1582

1656

except (AttributeError, xml.dom.DOMException,

1583

1657

xml.parsers.expat.ExpatError) as error:

1584

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

1585

exc_info=error)

1658

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

1659

exc_info=error)

1586

1660

return xmlstring

1587

1661

1588

1662

2219

2293

del _interface

2220

2294

2221

2295

2222

class ProxyClient(object):

2296

class ProxyClient:

2223

2297

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

2224

2298

self._pipe = child_pipe

2225

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

2299

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

2226

2300

if not self._pipe.recv():

2227

2301

raise KeyError(key_id or fpr)

2228

2302

2229

2303

def __getattribute__(self, name):

2230

if name == '_pipe':

2304

if name == "_pipe":

2231

2305

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

2232

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

2306

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

2233

2307

data = self._pipe.recv()

2234

if data[0] == 'data':

2308

if data[0] == "data":

2235

2309

return data[1]

2236

if data[0] == 'function':

2310

if data[0] == "function":

2237

2311

2238

2312

def func(*args, **kwargs):

2239

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

2313

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

2240

2314

return self._pipe.recv()[1]

2241

2315

2242

2316

return func

2243

2317

2244

2318

def __setattr__(self, name, value):

2245

if name == '_pipe':

2319

if name == "_pipe":

2246

2320

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

2247

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

2321

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

2248

2322

2249

2323

2250

2324

class ClientHandler(socketserver.BaseRequestHandler, object):

2255

2329

2256

2330

def handle(self):

2257

2331

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

2258

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

2259

str(self.client_address))

2260

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

2261

self.server.child_pipe.fileno())

2332

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

2333

str(self.client_address))

2334

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

2262

2335

2263

2336

session = gnutls.ClientSession(self.request)

2264

2337

2265

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

2338

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

2266

2339

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

2267

2340

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

2268

2341

# "+DHE-DSS"))

2270

2343

priority = self.server.gnutls_priority

2271

2344

if priority is None:

2272

2345

priority = "NORMAL"

2273

gnutls.priority_set_direct(session._c_object,

2274

priority.encode("utf-8"),

2275

None)

2346

gnutls.priority_set_direct(session,

2347

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

2276

2348

2277

2349

# Start communication using the Mandos protocol

2278

2350

# Get protocol number

2279

2351

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

2280

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

2352

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

2281

2353

try:

2282

2354

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

2283

2355

raise RuntimeError(line)

2284

2356

except (ValueError, IndexError, RuntimeError) as error:

2285

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

2357

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

2286

2358

return

2287

2359

2288

2360

# Start GnuTLS connection

2289

2361

try:

2290

2362

session.handshake()

2291

2363

except gnutls.Error as error:

2292

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

2364

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

2293

2365

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

2294

2366

# established. Just abandon the request.

2295

2367

return

2296

logger.debug("Handshake succeeded")

2368

log.debug("Handshake succeeded")

2297

2369

2298

2370

approval_required = False

2299

2371

try:

2300

2372

if gnutls.has_rawpk:

2301

fpr = ""

2373

fpr = b""

2302

2374

try:

2303

2375

key_id = self.key_id(

2304

2376

self.peer_certificate(session))

2305

2377

except (TypeError, gnutls.Error) as error:

2306

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

2378

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

2307

2379

return

2308

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

2380

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

2381

key_id.decode("utf-8",

2382

errors="replace"))

2309

2383

2310

2384

else:

2311

key_id = ""

2385

key_id = b""

2312

2386

try:

2313

2387

fpr = self.fingerprint(

2314

2388

self.peer_certificate(session))

2315

2389

except (TypeError, gnutls.Error) as error:

2316

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

2390

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

2317

2391

return

2318

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

2392

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

2319

2393

2320

2394

try:

2321

2395

client = ProxyClient(child_pipe, key_id, fpr,

2330

2404

2331

2405

while True:

2332

2406

if not client.enabled:

2333

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

2334

client.name)

2407

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

2335

2408

if self.server.use_dbus:

2336

2409

# Emit D-Bus signal

2337

2410

client.Rejected("Disabled")

2341

2414

# We are approved or approval is disabled

2342

2415

break

2343

2416

elif client.approved is None:

2344

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

2345

client.name)

2417

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

2418

client.name)

2346

2419

if self.server.use_dbus:

2347

2420

# Emit D-Bus signal

2348

2421

client.NeedApproval(

2349

2422

client.approval_delay.total_seconds()

2350

2423

* 1000, client.approved_by_default)

2351

2424

else:

2352

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

2353

client.name)

2425

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

2426

client.name)

2354

2427

if self.server.use_dbus:

2355

2428

# Emit D-Bus signal

2356

2429

client.Rejected("Denied")

2364

2437

time2 = datetime.datetime.now()

2365

2438

if (time2 - time) >= delay:

2366

2439

if not client.approved_by_default:

2367

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

2368

" waiting for approval",

2369

client.name)

2440

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

2441

" waiting for approval",

2442

client.name)

2370

2443

if self.server.use_dbus:

2371

2444

# Emit D-Bus signal

2372

2445

client.Rejected("Approval timed out")

2379

2452

try:

2380

2453

session.send(client.secret)

2381

2454

except gnutls.Error as error:

2382

logger.warning("gnutls send failed",

2383

exc_info=error)

2455

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

2384

2456

return

2385

2457

2386

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

2458

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

2387

2459

# bump the timeout using extended_timeout

2388

2460

client.bump_timeout(client.extended_timeout)

2389

2461

if self.server.use_dbus:

2396

2468

try:

2397

2469

session.bye()

2398

2470

except gnutls.Error as error:

2399

logger.warning("GnuTLS bye failed",

2400

exc_info=error)

2471

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

2401

2472

2402

2473

@staticmethod

2403

2474

def peer_certificate(session):

2404

2475

"Return the peer's certificate as a bytestring"

2405

2476

try:

2406

cert_type = gnutls.certificate_type_get2(session._c_object,

2407

gnutls.CTYPE_PEERS)

2477

cert_type = gnutls.certificate_type_get2(

2478

session, gnutls.CTYPE_PEERS)

2408

2479

except AttributeError:

2409

cert_type = gnutls.certificate_type_get(session._c_object)

2480

cert_type = gnutls.certificate_type_get(session)

2410

2481

if gnutls.has_rawpk:

2411

2482

valid_cert_types = frozenset((gnutls.CRT_RAWPK,))

2412

2483

else:

2413

2484

valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))

2414

2485

# If not a valid certificate type...

2415

2486

if cert_type not in valid_cert_types:

2416

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

2417

valid_cert_types)

2487

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

2488

valid_cert_types)

2418

2489

# ...return invalid data

2419

2490

return b""

2420

2491

list_size = ctypes.c_uint(1)

2421

2492

cert_list = (gnutls.certificate_get_peers

2422

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

2493

(session, ctypes.byref(list_size)))

2423

2494

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

2424

2495

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

2425

2496

if list_size.value == 0:

2447

2518

buf = ctypes.create_string_buffer(32)

2448

2519

buf_len = ctypes.c_size_t(len(buf))

2449

2520

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

2450

gnutls.pubkey_get_key_id(pubkey,

2451

gnutls.KEYID_USE_SHA256,

2452

ctypes.cast(ctypes.byref(buf),

2453

ctypes.POINTER(ctypes.c_ubyte)),

2454

ctypes.byref(buf_len))

2521

gnutls.pubkey_get_key_id(

2522

pubkey,

2523

gnutls.KEYID_USE_SHA256,

2524

ctypes.cast(ctypes.byref(buf),

2525

ctypes.POINTER(ctypes.c_ubyte)),

2526

ctypes.byref(buf_len))

2455

2527

# Deinit the certificate

2456

2528

gnutls.pubkey_deinit(pubkey)

2457

2529

2498

2570

return hex_fpr

2499

2571

2500

2572

2501

class MultiprocessingMixIn(object):

2573

class MultiprocessingMixIn:

2502

2574

"""Like socketserver.ThreadingMixIn, but with multiprocessing"""

2503

2575

2504

2576

def sub_process_main(self, request, address):

2516

2588

return proc

2517

2589

2518

2590

2519

class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):

2591

class MultiprocessingMixInWithPipe(MultiprocessingMixIn):

2520

2592

""" adds a pipe to the MixIn """

2521

2593

2522

2594

def process_request(self, request, client_address):

2537

2609

2538

2610

2539

2611

class IPv6_TCPServer(MultiprocessingMixInWithPipe,

2540

socketserver.TCPServer, object):

2541

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

2612

socketserver.TCPServer):

2613

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

2542

2614

2543

2615

Attributes:

2544

2616

enabled: Boolean; whether this server is activated yet

2595

2667

if SO_BINDTODEVICE is None:

2596

2668

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

2597

2669

# common enough.

2598

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

2670

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

2599

2671

SO_BINDTODEVICE = 25

2600

2672

try:

2601

2673

self.socket.setsockopt(

2603

2675

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

2604

2676

except socket.error as error:

2605

2677

if error.errno == errno.EPERM:

2606

logger.error("No permission to bind to"

2607

" interface %s", self.interface)

2678

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

2679

self.interface)

2608

2680

elif error.errno == errno.ENOPROTOOPT:

2609

logger.error("SO_BINDTODEVICE not available;"

2610

" cannot bind to interface %s",

2611

self.interface)

2681

log.error("SO_BINDTODEVICE not available; cannot"

2682

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

2612

2683

elif error.errno == errno.ENODEV:

2613

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

2614

" cannot bind", self.interface)

2684

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

2685

" bind", self.interface)

2615

2686

else:

2616

2687

raise

2617

2688

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

2618

2689

if self.server_address[0] or self.server_address[1]:

2690

if self.server_address[1]:

2691

self.allow_reuse_address = True

2619

2692

if not self.server_address[0]:

2620

2693

if self.address_family == socket.AF_INET6:

2621

2694

any_address = "::" # in6addr_any

2674

2747

def add_pipe(self, parent_pipe, proc):

2675

2748

# Call "handle_ipc" for both data and EOF events

2676

2749

GLib.io_add_watch(

2677

parent_pipe.fileno(),

2678

GLib.IO_IN | GLib.IO_HUP,

2750

GLib.IOChannel.unix_new(parent_pipe.fileno()),

2751

GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,

2679

2752

functools.partial(self.handle_ipc,

2680

2753

parent_pipe=parent_pipe,

2681

2754

proc=proc))

2694

2767

request = parent_pipe.recv()

2695

2768

command = request[0]

2696

2769

2697

if command == 'init':

2770

if command == "init":

2698

2771

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

2699

2772

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

2700

2773

address = request[3]

2701

2774

2702

2775

for c in self.clients.values():

2776

if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"

2777

"27AE41E4649B934CA495991B7852B855"):

2778

continue

2703

2779

if key_id and c.key_id == key_id:

2704

2780

client = c

2705

2781

break

2707

2783

client = c

2708

2784

break

2709

2785

else:

2710

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

2711

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

2786

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

2787

" %s", key_id or fpr, address)

2712

2788

if self.use_dbus:

2713

2789

# Emit D-Bus signal

2714

2790

mandos_dbus_service.ClientNotFound(key_id or fpr,

2717

2793

return False

2718

2794

2719

2795

GLib.io_add_watch(

2720

parent_pipe.fileno(),

2721

GLib.IO_IN | GLib.IO_HUP,

2796

GLib.IOChannel.unix_new(parent_pipe.fileno()),

2797

GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,

2722

2798

functools.partial(self.handle_ipc,

2723

2799

parent_pipe=parent_pipe,

2724

2800

proc=proc,

2727

2803

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

2728

2804

# same fileno

2729

2805

return False

2730

if command == 'funcall':

2806

if command == "funcall":

2731

2807

funcname = request[1]

2732

2808

args = request[2]

2733

2809

kwargs = request[3]

2734

2810

2735

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

2811

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

2736

2812

funcname)(*args,

2737

2813

**kwargs)))

2738

2814

2739

if command == 'getattr':

2815

if command == "getattr":

2740

2816

attrname = request[1]

2741

2817

if isinstance(client_object.__getattribute__(attrname),

2742

collections.Callable):

2743

parent_pipe.send(('function', ))

2818

collections.abc.Callable):

2819

parent_pipe.send(("function", ))

2744

2820

else:

2745

2821

parent_pipe.send((

2746

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

2822

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

2747

2823

2748

if command == 'setattr':

2824

if command == "setattr":

2749

2825

attrname = request[1]

2750

2826

value = request[2]

2751

2827

setattr(client_object, attrname, value)

2756

2832

def rfc3339_duration_to_delta(duration):

2757

2833

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

2758

2834

2759

>>> rfc3339_duration_to_delta("P7D")

2760

datetime.timedelta(7)

2761

>>> rfc3339_duration_to_delta("PT60S")

2762

datetime.timedelta(0, 60)

2763

>>> rfc3339_duration_to_delta("PT60M")

2764

datetime.timedelta(0, 3600)

2765

>>> rfc3339_duration_to_delta("PT24H")

2766

datetime.timedelta(1)

2767

>>> rfc3339_duration_to_delta("P1W")

2768

datetime.timedelta(7)

2769

>>> rfc3339_duration_to_delta("PT5M30S")

2770

datetime.timedelta(0, 330)

2771

>>> rfc3339_duration_to_delta("P1DT3M20S")

2772

datetime.timedelta(1, 200)

2835

>>> timedelta = datetime.timedelta

2836

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

2837

True

2838

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

2839

True

2840

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

2841

True

2842

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

2843

True

2844

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

2845

True

2846

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

2847

True

2848

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

2849

True

2850

>>> del timedelta

2773

2851

"""

2774

2852

2775

2853

# Parsing an RFC 3339 duration with regular expressions is not

2855

2933

def string_to_delta(interval):

2856

2934

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

2857

2935

2858

>>> string_to_delta('7d')

2859

datetime.timedelta(7)

2860

>>> string_to_delta('60s')

2861

datetime.timedelta(0, 60)

2862

>>> string_to_delta('60m')

2863

datetime.timedelta(0, 3600)

2864

>>> string_to_delta('24h')

2865

datetime.timedelta(1)

2866

>>> string_to_delta('1w')

2867

datetime.timedelta(7)

2868

>>> string_to_delta('5m 30s')

2869

datetime.timedelta(0, 330)

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)

2947

True

2870

2948

"""

2871

2949

2872

2950

try:

2974

3052

2975

3053

options = parser.parse_args()

2976

3054

2977

if options.check:

2978

import doctest

2979

fail_count, test_count = doctest.testmod()

2980

sys.exit(os.EX_OK if fail_count == 0 else 1)

2981

2982

3055

# Default values for config file for server-global settings

2983

3056

if gnutls.has_rawpk:

2984

3057

priority = ("SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA"

3004

3077

del priority

3005

3078

3006

3079

# Parse config file for server-global settings

3007

server_config = configparser.SafeConfigParser(server_defaults)

3080

server_config = configparser.ConfigParser(server_defaults)

3008

3081

del server_defaults

3009

3082

server_config.read(os.path.join(options.configdir, "mandos.conf"))

3010

# Convert the SafeConfigParser object to a dict

3083

# Convert the ConfigParser object to a dict

3011

3084

server_settings = server_config.defaults()

3012

3085

# Use the appropriate methods on the non-string config options

3013

3086

for option in ("debug", "use_dbus", "use_ipv6", "restore",

3080

3153

3081

3154

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

3082

3155

syslogger.setFormatter(

3083

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

3084

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

3156

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

3157

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

3085

3158

server_settings["servicename"])))

3086

3159

3087

3160

# Parse config file with clients

3088

client_config = configparser.SafeConfigParser(Client

3089

.client_defaults)

3161

client_config = configparser.ConfigParser(Client.client_defaults)

3090

3162

client_config.read(os.path.join(server_settings["configdir"],

3091

3163

"clients.conf"))

3092

3164

3112

3184

try:

3113

3185

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

3114

3186

except IOError as e:

3115

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

3116

exc_info=e)

3187

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

3188

exc_info=e)

3117

3189

3118

3190

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

3119

3191

("mandos", "mandos"),

3130

3202

try:

3131

3203

os.setgid(gid)

3132

3204

os.setuid(uid)

3133

if debug:

3134

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

3135

gid))

3205

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

3136

3206

except OSError as error:

3137

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

3138

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

3207

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

3208

os.strerror(error.errno))

3139

3209

if error.errno != errno.EPERM:

3140

3210

raise

3141

3211

3148

3218

3149

3219

@gnutls.log_func

3150

3220

def debug_gnutls(level, string):

3151

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

3221

log.debug("GnuTLS: %s",

3222

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

3152

3223

3153

3224

gnutls.global_set_log_function(debug_gnutls)

3154

3225

3163

3234

# Close all input and output, do double fork, etc.

3164

3235

daemon()

3165

3236

3166

# multiprocessing will use threads, so before we use GLib we need

3167

# to inform GLib that threads will be used.

3168

GLib.threads_init()

3237

if gi.version_info < (3, 10, 2):

3238

# multiprocessing will use threads, so before we use GLib we

3239

# need to inform GLib that threads will be used.

3240

GLib.threads_init()

3169

3241

3170

3242

global main_loop

3171

3243

# From the Avahi example code

3182

3254

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

3183

3255

do_not_queue=True)

3184

3256

except dbus.exceptions.DBusException as e:

3185

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

3257

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

3186

3258

use_dbus = False

3187

3259

server_settings["use_dbus"] = False

3188

3260

tcp_server.use_dbus = False

3247

3319

if isinstance(s, bytes)

3248

3320

else s) for s in

3249

3321

value["client_structure"]]

3250

# .name & .host

3251

for k in ("name", "host"):

3322

# .name, .host, and .checker_command

3323

for k in ("name", "host", "checker_command"):

3252

3324

if isinstance(value[k], bytes):

3253

3325

value[k] = value[k].decode("utf-8")

3254

if not value.has_key("key_id"):

3326

if "key_id" not in value:

3255

3327

value["key_id"] = ""

3256

elif not value.has_key("fingerprint"):

3328

elif "fingerprint" not in value:

3257

3329

value["fingerprint"] = ""

3258

3330

# old_client_settings

3259

3331

# .keys()

3264

3336

for key, value in

3265

3337

bytes_old_client_settings.items()}

3266

3338

del bytes_old_client_settings

3267

# .host

3339

# .host and .checker_command

3268

3340

for value in old_client_settings.values():

3269

if isinstance(value["host"], bytes):

3270

value["host"] = (value["host"]

3271

.decode("utf-8"))

3341

for attribute in ("host", "checker_command"):

3342

if isinstance(value[attribute], bytes):

3343

value[attribute] = (value[attribute]

3344

.decode("utf-8"))

3272

3345

os.remove(stored_state_path)

3273

3346

except IOError as e:

3274

3347

if e.errno == errno.ENOENT:

3275

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

3276

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

3348

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

3349

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

3277

3350

else:

3278

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

3279

exc_info=e)

3351

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

3352

exc_info=e)

3280

3353

raise

3281

3354

except EOFError as e:

3282

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

3283

"EOFError:",

3284

exc_info=e)

3355

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

3356

exc_info=e)

3285

3357

3286

3358

with PGPEngine() as pgp:

3287

3359

for client_name, client in clients_data.items():

3314

3386

if client["enabled"]:

3315

3387

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

3316

3388

if not client["last_checked_ok"]:

3317

logger.warning(

3318

"disabling client {} - Client never "

3319

"performed a successful checker".format(

3320

client_name))

3389

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

3390

" never performed a successful"

3391

" checker", client_name)

3321

3392

client["enabled"] = False

3322

3393

elif client["last_checker_status"] != 0:

3323

logger.warning(

3324

"disabling client {} - Client last"

3325

" checker failed with error code"

3326

" {}".format(

3327

client_name,

3328

client["last_checker_status"]))

3394

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

3395

" last checker failed with error"

3396

" code %s", client_name,

3397

client["last_checker_status"])

3329

3398

client["enabled"] = False

3330

3399

else:

3331

3400

client["expires"] = (

3332

3401

datetime.datetime.utcnow()

3333

3402

+ client["timeout"])

3334

logger.debug("Last checker succeeded,"

3335

" keeping {} enabled".format(

3336

client_name))

3403

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

3404

" enabled", client_name)

3337

3405

try:

3338

3406

client["secret"] = pgp.decrypt(

3339

3407

client["encrypted_secret"],

3340

3408

client_settings[client_name]["secret"])

3341

3409

except PGPError:

3342

3410

# If decryption fails, we use secret from new settings

3343

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

3344

client_name))

3411

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

3412

client_name)

3345

3413

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

3346

3414

["secret"])

3347

3415

3361

3429

server_settings=server_settings)

3362

3430

3363

3431

if not tcp_server.clients:

3364

logger.warning("No clients defined")

3432

log.warning("No clients defined")

3365

3433

3366

3434

if not foreground:

3367

3435

if pidfile is not None:

3370

3438

with pidfile:

3371

3439

print(pid, file=pidfile)

3372

3440

except IOError:

3373

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

3374

pidfilename, pid)

3441

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

3442

pidfilename, pid)

3375

3443

del pidfile

3376

3444

del pidfilename

3377

3445

3527

3595

3528

3596

try:

3529

3597

with tempfile.NamedTemporaryFile(

3530

mode='wb',

3598

mode="wb",

3531

3599

suffix=".pickle",

3532

prefix='clients-',

3600

prefix="clients-",

3533

3601

dir=os.path.dirname(stored_state_path),

3534

3602

delete=False) as stored_state:

3535

3603

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

3543

3611

except NameError:

3544

3612

pass

3545

3613

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

3546

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

3547

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

3614

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

3615

os.strerror(e.errno))

3548

3616

else:

3549

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

3550

exc_info=e)

3617

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

3618

exc_info=e)

3551

3619

raise

3552

3620

3553

3621

# Delete all clients, and settings from config

3570

3638

mandos_dbus_service.client_added_signal(client)

3571

3639

# Need to initiate checking of clients

3572

3640

if client.enabled:

3573

client.init_checker()

3641

client.init_checker(randomize_start=True)

3574

3642

3575

3643

tcp_server.enable()

3576

3644

tcp_server.server_activate()

3579

3647

if zeroconf:

3580

3648

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

3581

3649

if use_ipv6:

3582

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

3583

" flowinfo %d, scope_id %d",

3584

*tcp_server.socket.getsockname())

3650

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

3651

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

3585

3652

else: # IPv4

3586

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

3587

*tcp_server.socket.getsockname())

3653

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

3654

*tcp_server.socket.getsockname())

3588

3655

3589

3656

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

3590

3657

3594

3661

try:

3595

3662

service.activate()

3596

3663

except dbus.exceptions.DBusException as error:

3597

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

3664

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

3598

3665

cleanup()

3599

3666

sys.exit(1)

3600

3667

# End of Avahi example code

3601

3668

3602

GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,

3603

lambda *args, **kwargs:

3604

(tcp_server.handle_request

3605

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

3669

GLib.io_add_watch(

3670

GLib.IOChannel.unix_new(tcp_server.fileno()),

3671

GLib.PRIORITY_DEFAULT, GLib.IO_IN,

3672

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

3673

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

3606

3674

3607

logger.debug("Starting main loop")

3675

log.debug("Starting main loop")

3608

3676

main_loop.run()

3609

3677

except AvahiError as error:

3610

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

3678

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

3611

3679

cleanup()

3612

3680

sys.exit(1)

3613

3681

except KeyboardInterrupt:

3614

3682

if debug:

3615

3683

print("", file=sys.stderr)

3616

logger.debug("Server received KeyboardInterrupt")

3617

logger.debug("Server exiting")

3684

log.debug("Server received KeyboardInterrupt")

3685

log.debug("Server exiting")

3618

3686

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

3619

3687

cleanup()

3620

3688

3621

3622

if __name__ == '__main__':

3623

main()

3689

3690

def parse_test_args():

3691

# type: () -> argparse.Namespace

3692

parser = argparse.ArgumentParser(add_help=False)

3693

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

3694

parser.add_argument("--prefix", )

3695

args, unknown_args = parser.parse_known_args()

3696

if args.check:

3697

# Remove test options from sys.argv

3698

sys.argv[1:] = unknown_args

3699

return args

3700

3701

# Add all tests from doctest strings

3702

def load_tests(loader, tests, none):

3703

import doctest

3704

tests.addTests(doctest.DocTestSuite())

3705

return tests

3706

3707

if __name__ == "__main__":

3708

options = parse_test_args()

3709

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=[""])

3722

else:

3723

main()

3724

finally:

3725

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: