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- Committer: Teddy Hogeborn
- Date: 2016-10-05 20:13:01 UTC
- Revision ID: teddy@recompile.se-20161005201301-3ibock2agjb2ppe6
Tags: version-1.7.12-1
* Makefile (version): Change to 1.7.12.
* NEWS (Version 1.7.12): Add new entry.
* debian/changelog (1.7.12-1): - '' -
* NEWS (Version 1.7.12): Add new entry.
* debian/changelog (1.7.12-1): - '' -
- files added:
- initramfs-tools-hook-conf
- files removed:
- debian/mandos-client.templates
- debian/tests
- dracut-module
- files modified:
- .bzrignore
added
removed
mandos
1
#!/usr/bin/python3 -bI
2
# -*- coding: utf-8; lexical-binding: t -*-
1
#!/usr/bin/python
2
# -*- mode: python; coding: utf-8 -*-
3
3
#
4
4
# Mandos server - give out binary blobs to connecting clients.
5
5
#
11
11
# "AvahiService" class, and some lines in "main".
12
12
#
13
13
# Everything else is
14
# Copyright © 2008-2022 Teddy Hogeborn
15
# Copyright © 2008-2022 Björn Påhlsson
16
#
17
# This file is part of Mandos.
18
#
19
# Mandos is free software: you can redistribute it and/or modify it
20
# under the terms of the GNU General Public License as published by
14
# Copyright © 2008-2016 Teddy Hogeborn
15
# Copyright © 2008-2016 Björn Påhlsson
16
#
17
# This program is free software: you can redistribute it and/or modify
18
# it under the terms of the GNU General Public License as published by
21
19
# the Free Software Foundation, either version 3 of the License, or
22
20
# (at your option) any later version.
23
21
#
24
# Mandos is distributed in the hope that it will be useful, but
25
# WITHOUT ANY WARRANTY; without even the implied warranty of
22
# This program is distributed in the hope that it will be useful,
23
# but WITHOUT ANY WARRANTY; without even the implied warranty of
26
24
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27
25
# GNU General Public License for more details.
28
26
#
29
27
# You should have received a copy of the GNU General Public License
30
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
28
# along with this program. If not, see
29
# <http://www.gnu.org/licenses/>.
31
30
#
32
31
# Contact the authors at <mandos@recompile.se>.
33
32
#
33
34
34
from __future__ import (division, absolute_import, print_function,
35
35
unicode_literals)
36
36
39
39
except ImportError:
40
40
pass
41
41
42
import sys
43
import unittest
44
import argparse
45
import logging
46
import os
47
42
try:
48
43
import SocketServer as socketserver
49
44
except ImportError:
50
45
import socketserver
51
46
import socket
47
import argparse
52
48
import datetime
53
49
import errno
54
50
try:
55
51
import ConfigParser as configparser
56
52
except ImportError:
57
53
import configparser
54
import sys
58
55
import re
56
import os
59
57
import signal
60
58
import subprocess
61
59
import atexit
62
60
import stat
61
import logging
63
62
import logging.handlers
64
63
import pwd
65
64
import contextlib
77
76
import itertools
78
77
import collections
79
78
import codecs
80
import random
81
import shlex
82
79
83
80
import dbus
84
81
import dbus.service
85
import gi
86
82
from gi.repository import GLib
87
83
from dbus.mainloop.glib import DBusGMainLoop
88
84
import ctypes
90
86
import xml.dom.minidom
91
87
import inspect
92
88
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
118
89
# Try to find the value of SO_BINDTODEVICE:
119
90
try:
120
91
# This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and
140
111
# No value found
141
112
SO_BINDTODEVICE = None
142
113
143
if sys.version_info < (3, 2):
144
configparser.Configparser = configparser.SafeConfigParser
114
if sys.version_info.major == 2:
115
str = unicode
145
116
146
version = "1.8.16"
117
version = "1.7.12"
147
118
stored_state_file = "clients.pickle"
148
119
149
log = logging.getLogger(os.path.basename(sys.argv[0]))
150
logging.captureWarnings(True) # Show warnings via the logging system
120
logger = logging.getLogger()
151
121
syslogger = None
152
122
153
123
try:
189
159
facility=logging.handlers.SysLogHandler.LOG_DAEMON,
190
160
address="/dev/log"))
191
161
syslogger.setFormatter(logging.Formatter
192
("Mandos [%(process)d]: %(levelname)s:"
193
" %(message)s"))
194
log.addHandler(syslogger)
162
('Mandos [%(process)d]: %(levelname)s:'
163
' %(message)s'))
164
logger.addHandler(syslogger)
195
165
196
166
if debug:
197
167
console = logging.StreamHandler()
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)
168
console.setFormatter(logging.Formatter('%(asctime)s %(name)s'
169
' [%(process)d]:'
170
' %(levelname)s:'
171
' %(message)s'))
172
logger.addHandler(console)
173
logger.setLevel(level)
204
174
205
175
206
176
class PGPError(Exception):
208
178
pass
209
179
210
180
211
class PGPEngine:
181
class PGPEngine(object):
212
182
"""A simple class for OpenPGP symmetric encryption & decryption"""
213
183
214
184
def __init__(self):
218
188
output = subprocess.check_output(["gpgconf"])
219
189
for line in output.splitlines():
220
190
name, text, path = line.split(b":")
221
if name == b"gpg":
191
if name == "gpg":
222
192
self.gpg = path
223
193
break
224
194
except OSError as e:
225
195
if e.errno != errno.ENOENT:
226
196
raise
227
self.gnupgargs = ["--batch",
228
"--homedir", self.tempdir,
229
"--force-mdc",
230
"--quiet"]
197
self.gnupgargs = ['--batch',
198
'--homedir', self.tempdir,
199
'--force-mdc',
200
'--quiet']
231
201
# Only GPG version 1 has the --no-use-agent option.
232
if self.gpg == b"gpg" or self.gpg.endswith(b"/gpg"):
202
if self.gpg == "gpg" or self.gpg.endswith("/gpg"):
233
203
self.gnupgargs.append("--no-use-agent")
234
204
235
205
def __enter__(self):
272
242
dir=self.tempdir) as passfile:
273
243
passfile.write(passphrase)
274
244
passfile.flush()
275
proc = subprocess.Popen([self.gpg, "--symmetric",
276
"--passphrase-file",
245
proc = subprocess.Popen([self.gpg, '--symmetric',
246
'--passphrase-file',
277
247
passfile.name]
278
248
+ self.gnupgargs,
279
249
stdin=subprocess.PIPE,
290
260
dir=self.tempdir) as passfile:
291
261
passfile.write(passphrase)
292
262
passfile.flush()
293
proc = subprocess.Popen([self.gpg, "--decrypt",
294
"--passphrase-file",
263
proc = subprocess.Popen([self.gpg, '--decrypt',
264
'--passphrase-file',
295
265
passfile.name]
296
266
+ self.gnupgargs,
297
267
stdin=subprocess.PIPE,
304
274
305
275
306
276
# Pretend that we have an Avahi module
307
class avahi:
308
"""This isn't so much a class as it is a module-like namespace."""
277
class Avahi(object):
278
"""This isn't so much a class as it is a module-like namespace.
279
It is instantiated once, and simulates having an Avahi module."""
309
280
IF_UNSPEC = -1 # avahi-common/address.h
310
281
PROTO_UNSPEC = -1 # avahi-common/address.h
311
282
PROTO_INET = 0 # avahi-common/address.h
315
286
DBUS_INTERFACE_SERVER = DBUS_NAME + ".Server"
316
287
DBUS_PATH_SERVER = "/"
317
288
318
@staticmethod
319
def string_array_to_txt_array(t):
289
def string_array_to_txt_array(self, t):
320
290
return dbus.Array((dbus.ByteArray(s.encode("utf-8"))
321
291
for s in t), signature="ay")
322
292
ENTRY_GROUP_ESTABLISHED = 2 # avahi-common/defs.h
327
297
SERVER_RUNNING = 2 # avahi-common/defs.h
328
298
SERVER_COLLISION = 3 # avahi-common/defs.h
329
299
SERVER_FAILURE = 4 # avahi-common/defs.h
300
avahi = Avahi()
330
301
331
302
332
303
class AvahiError(Exception):
344
315
pass
345
316
346
317
347
class AvahiService:
318
class AvahiService(object):
348
319
"""An Avahi (Zeroconf) service.
349
320
350
321
Attributes:
351
322
interface: integer; avahi.IF_UNSPEC or an interface index.
352
323
Used to optionally bind to the specified interface.
353
name: string; Example: "Mandos"
354
type: string; Example: "_mandos._tcp".
324
name: string; Example: 'Mandos'
325
type: string; Example: '_mandos._tcp'.
355
326
See <https://www.iana.org/assignments/service-names-port-numbers>
356
327
port: integer; what port to announce
357
328
TXT: list of strings; TXT record for the service
394
365
def rename(self, remove=True):
395
366
"""Derived from the Avahi example code"""
396
367
if self.rename_count >= self.max_renames:
397
log.critical("No suitable Zeroconf service name found"
398
" after %i retries, exiting.",
399
self.rename_count)
368
logger.critical("No suitable Zeroconf service name found"
369
" after %i retries, exiting.",
370
self.rename_count)
400
371
raise AvahiServiceError("Too many renames")
401
372
self.name = str(
402
373
self.server.GetAlternativeServiceName(self.name))
403
374
self.rename_count += 1
404
log.info("Changing Zeroconf service name to %r ...",
405
self.name)
375
logger.info("Changing Zeroconf service name to %r ...",
376
self.name)
406
377
if remove:
407
378
self.remove()
408
379
try:
410
381
except dbus.exceptions.DBusException as error:
411
382
if (error.get_dbus_name()
412
383
== "org.freedesktop.Avahi.CollisionError"):
413
log.info("Local Zeroconf service name collision.")
384
logger.info("Local Zeroconf service name collision.")
414
385
return self.rename(remove=False)
415
386
else:
416
log.critical("D-Bus Exception", exc_info=error)
387
logger.critical("D-Bus Exception", exc_info=error)
417
388
self.cleanup()
418
389
os._exit(1)
419
390
435
406
avahi.DBUS_INTERFACE_ENTRY_GROUP)
436
407
self.entry_group_state_changed_match = (
437
408
self.group.connect_to_signal(
438
"StateChanged", self.entry_group_state_changed))
439
log.debug("Adding Zeroconf service '%s' of type '%s' ...",
440
self.name, self.type)
409
'StateChanged', self.entry_group_state_changed))
410
logger.debug("Adding Zeroconf service '%s' of type '%s' ...",
411
self.name, self.type)
441
412
self.group.AddService(
442
413
self.interface,
443
414
self.protocol,
450
421
451
422
def entry_group_state_changed(self, state, error):
452
423
"""Derived from the Avahi example code"""
453
log.debug("Avahi entry group state change: %i", state)
424
logger.debug("Avahi entry group state change: %i", state)
454
425
455
426
if state == avahi.ENTRY_GROUP_ESTABLISHED:
456
log.debug("Zeroconf service established.")
427
logger.debug("Zeroconf service established.")
457
428
elif state == avahi.ENTRY_GROUP_COLLISION:
458
log.info("Zeroconf service name collision.")
429
logger.info("Zeroconf service name collision.")
459
430
self.rename()
460
431
elif state == avahi.ENTRY_GROUP_FAILURE:
461
log.critical("Avahi: Error in group state changed %s",
462
str(error))
432
logger.critical("Avahi: Error in group state changed %s",
433
str(error))
463
434
raise AvahiGroupError("State changed: {!s}".format(error))
464
435
465
436
def cleanup(self):
475
446
476
447
def server_state_changed(self, state, error=None):
477
448
"""Derived from the Avahi example code"""
478
log.debug("Avahi server state change: %i", state)
449
logger.debug("Avahi server state change: %i", state)
479
450
bad_states = {
480
451
avahi.SERVER_INVALID: "Zeroconf server invalid",
481
452
avahi.SERVER_REGISTERING: None,
485
456
if state in bad_states:
486
457
if bad_states[state] is not None:
487
458
if error is None:
488
log.error(bad_states[state])
459
logger.error(bad_states[state])
489
460
else:
490
log.error(bad_states[state] + ": %r", error)
461
logger.error(bad_states[state] + ": %r", error)
491
462
self.cleanup()
492
463
elif state == avahi.SERVER_RUNNING:
493
464
try:
495
466
except dbus.exceptions.DBusException as error:
496
467
if (error.get_dbus_name()
497
468
== "org.freedesktop.Avahi.CollisionError"):
498
log.info("Local Zeroconf service name collision.")
469
logger.info("Local Zeroconf service name"
470
" collision.")
499
471
return self.rename(remove=False)
500
472
else:
501
log.critical("D-Bus Exception", exc_info=error)
473
logger.critical("D-Bus Exception", exc_info=error)
502
474
self.cleanup()
503
475
os._exit(1)
504
476
else:
505
477
if error is None:
506
log.debug("Unknown state: %r", state)
478
logger.debug("Unknown state: %r", state)
507
479
else:
508
log.debug("Unknown state: %r: %r", state, error)
480
logger.debug("Unknown state: %r: %r", state, error)
509
481
510
482
def activate(self):
511
483
"""Derived from the Avahi example code"""
523
495
class AvahiServiceToSyslog(AvahiService):
524
496
def rename(self, *args, **kwargs):
525
497
"""Add the new name to the syslog messages"""
526
ret = super(AvahiServiceToSyslog, self).rename(*args,
527
**kwargs)
498
ret = AvahiService.rename(self, *args, **kwargs)
528
499
syslogger.setFormatter(logging.Formatter(
529
"Mandos ({}) [%(process)d]: %(levelname)s: %(message)s"
500
'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
530
501
.format(self.name)))
531
502
return ret
532
503
533
504
534
505
# Pretend that we have a GnuTLS module
535
class gnutls:
536
"""This isn't so much a class as it is a module-like namespace."""
506
class GnuTLS(object):
507
"""This isn't so much a class as it is a module-like namespace.
508
It is instantiated once, and simulates having a GnuTLS module."""
537
509
538
510
library = ctypes.util.find_library("gnutls")
539
511
if library is None:
540
512
library = ctypes.util.find_library("gnutls-deb0")
541
513
_library = ctypes.cdll.LoadLibrary(library)
542
514
del library
515
_need_version = b"3.3.0"
516
517
def __init__(self):
518
# Need to use class name "GnuTLS" here, since this method is
519
# called before the assignment to the "gnutls" global variable
520
# happens.
521
if GnuTLS.check_version(self._need_version) is None:
522
raise GnuTLS.Error("Needs GnuTLS {} or later"
523
.format(self._need_version))
543
524
544
525
# Unless otherwise indicated, the constants and types below are
545
526
# all from the gnutls/gnutls.h C header file.
549
530
E_INTERRUPTED = -52
550
531
E_AGAIN = -28
551
532
CRT_OPENPGP = 2
552
CRT_RAWPK = 3
553
533
CLIENT = 2
554
534
SHUT_RDWR = 0
555
535
CRD_CERTIFICATE = 1
556
536
E_NO_CERTIFICATE_FOUND = -49
557
X509_FMT_DER = 0
558
NO_TICKETS = 1<<10
559
ENABLE_RAWPK = 1<<18
560
CTYPE_PEERS = 3
561
KEYID_USE_SHA256 = 1 # gnutls/x509.h
562
537
OPENPGP_FMT_RAW = 0 # gnutls/openpgp.h
563
538
564
539
# Types
565
class _session_int(ctypes.Structure):
540
class session_int(ctypes.Structure):
566
541
_fields_ = []
567
session_t = ctypes.POINTER(_session_int)
542
session_t = ctypes.POINTER(session_int)
568
543
569
544
class certificate_credentials_st(ctypes.Structure):
570
545
_fields_ = []
573
548
certificate_type_t = ctypes.c_int
574
549
575
550
class datum_t(ctypes.Structure):
576
_fields_ = [("data", ctypes.POINTER(ctypes.c_ubyte)),
577
("size", ctypes.c_uint)]
551
_fields_ = [('data', ctypes.POINTER(ctypes.c_ubyte)),
552
('size', ctypes.c_uint)]
578
553
579
class _openpgp_crt_int(ctypes.Structure):
554
class openpgp_crt_int(ctypes.Structure):
580
555
_fields_ = []
581
openpgp_crt_t = ctypes.POINTER(_openpgp_crt_int)
556
openpgp_crt_t = ctypes.POINTER(openpgp_crt_int)
582
557
openpgp_crt_fmt_t = ctypes.c_int # gnutls/openpgp.h
583
558
log_func = ctypes.CFUNCTYPE(None, ctypes.c_int, ctypes.c_char_p)
584
559
credentials_type_t = ctypes.c_int
587
562
588
563
# Exceptions
589
564
class Error(Exception):
565
# We need to use the class name "GnuTLS" here, since this
566
# exception might be raised from within GnuTLS.__init__,
567
# which is called before the assignment to the "gnutls"
568
# global variable has happened.
590
569
def __init__(self, message=None, code=None, args=()):
591
570
# Default usage is by a message string, but if a return
592
571
# code is passed, convert it to a string with
593
572
# gnutls.strerror()
594
573
self.code = code
595
574
if message is None and code is not None:
596
message = gnutls.strerror(code).decode(
597
"utf-8", errors="replace")
598
return super(gnutls.Error, self).__init__(
575
message = GnuTLS.strerror(code)
576
return super(GnuTLS.Error, self).__init__(
599
577
message, *args)
600
578
601
579
class CertificateSecurityError(Error):
602
580
pass
603
581
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
582
# Classes
630
class Credentials(With_from_param):
583
class Credentials(object):
631
584
def __init__(self):
632
self._as_parameter_ = gnutls.certificate_credentials_t()
633
gnutls.certificate_allocate_credentials(self)
585
self._c_object = gnutls.certificate_credentials_t()
586
gnutls.certificate_allocate_credentials(
587
ctypes.byref(self._c_object))
634
588
self.type = gnutls.CRD_CERTIFICATE
635
589
636
590
def __del__(self):
637
gnutls.certificate_free_credentials(self)
591
gnutls.certificate_free_credentials(self._c_object)
638
592
639
class ClientSession(With_from_param):
593
class ClientSession(object):
640
594
def __init__(self, socket, credentials=None):
641
self._as_parameter_ = gnutls.session_t()
642
gnutls_flags = gnutls.CLIENT
643
if gnutls.check_version(b"3.5.6"):
644
gnutls_flags |= gnutls.NO_TICKETS
645
if gnutls.has_rawpk:
646
gnutls_flags |= gnutls.ENABLE_RAWPK
647
gnutls.init(self, gnutls_flags)
648
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)
595
self._c_object = gnutls.session_t()
596
gnutls.init(ctypes.byref(self._c_object), gnutls.CLIENT)
597
gnutls.set_default_priority(self._c_object)
598
gnutls.transport_set_ptr(self._c_object, socket.fileno())
599
gnutls.handshake_set_private_extensions(self._c_object,
600
True)
652
601
self.socket = socket
653
602
if credentials is None:
654
603
credentials = gnutls.Credentials()
655
gnutls.credentials_set(self, credentials.type,
656
credentials)
604
gnutls.credentials_set(self._c_object, credentials.type,
605
ctypes.cast(credentials._c_object,
606
ctypes.c_void_p))
657
607
self.credentials = credentials
658
608
659
609
def __del__(self):
660
gnutls.deinit(self)
610
gnutls.deinit(self._c_object)
661
611
662
612
def handshake(self):
663
return gnutls.handshake(self)
613
return gnutls.handshake(self._c_object)
664
614
665
615
def send(self, data):
666
616
data = bytes(data)
667
617
data_len = len(data)
668
618
while data_len > 0:
669
data_len -= gnutls.record_send(self, data[-data_len:],
619
data_len -= gnutls.record_send(self._c_object,
620
data[-data_len:],
670
621
data_len)
671
622
672
623
def bye(self):
673
return gnutls.bye(self, gnutls.SHUT_RDWR)
624
return gnutls.bye(self._c_object, gnutls.SHUT_RDWR)
674
625
675
626
# Error handling functions
676
627
def _error_code(result):
677
628
"""A function to raise exceptions on errors, suitable
678
for the "restype" attribute on ctypes functions"""
679
if result >= gnutls.E_SUCCESS:
629
for the 'restype' attribute on ctypes functions"""
630
if result >= 0:
680
631
return result
681
632
if result == gnutls.E_NO_CERTIFICATE_FOUND:
682
633
raise gnutls.CertificateSecurityError(code=result)
683
634
raise gnutls.Error(code=result)
684
635
685
def _retry_on_error(result, func, arguments,
686
_error_code=_error_code):
636
def _retry_on_error(result, func, arguments):
687
637
"""A function to retry on some errors, suitable
688
for the "errcheck" attribute on ctypes functions"""
689
while result < gnutls.E_SUCCESS:
638
for the 'errcheck' attribute on ctypes functions"""
639
while result < 0:
690
640
if result not in (gnutls.E_INTERRUPTED, gnutls.E_AGAIN):
691
641
return _error_code(result)
692
642
result = func(*arguments)
697
647
698
648
# Functions
699
649
priority_set_direct = _library.gnutls_priority_set_direct
700
priority_set_direct.argtypes = [ClientSession, ctypes.c_char_p,
650
priority_set_direct.argtypes = [session_t, ctypes.c_char_p,
701
651
ctypes.POINTER(ctypes.c_char_p)]
702
652
priority_set_direct.restype = _error_code
703
653
704
654
init = _library.gnutls_init
705
init.argtypes = [PointerTo(ClientSession), ctypes.c_int]
655
init.argtypes = [ctypes.POINTER(session_t), ctypes.c_int]
706
656
init.restype = _error_code
707
657
708
658
set_default_priority = _library.gnutls_set_default_priority
709
set_default_priority.argtypes = [ClientSession]
659
set_default_priority.argtypes = [session_t]
710
660
set_default_priority.restype = _error_code
711
661
712
662
record_send = _library.gnutls_record_send
713
record_send.argtypes = [ClientSession, ctypes.c_void_p,
663
record_send.argtypes = [session_t, ctypes.c_void_p,
714
664
ctypes.c_size_t]
715
665
record_send.restype = ctypes.c_ssize_t
716
666
record_send.errcheck = _retry_on_error
718
668
certificate_allocate_credentials = (
719
669
_library.gnutls_certificate_allocate_credentials)
720
670
certificate_allocate_credentials.argtypes = [
721
PointerTo(Credentials)]
671
ctypes.POINTER(certificate_credentials_t)]
722
672
certificate_allocate_credentials.restype = _error_code
723
673
724
674
certificate_free_credentials = (
725
675
_library.gnutls_certificate_free_credentials)
726
certificate_free_credentials.argtypes = [Credentials]
676
certificate_free_credentials.argtypes = [
677
certificate_credentials_t]
727
678
certificate_free_credentials.restype = None
728
679
729
680
handshake_set_private_extensions = (
730
681
_library.gnutls_handshake_set_private_extensions)
731
handshake_set_private_extensions.argtypes = [ClientSession,
682
handshake_set_private_extensions.argtypes = [session_t,
732
683
ctypes.c_int]
733
684
handshake_set_private_extensions.restype = None
734
685
735
686
credentials_set = _library.gnutls_credentials_set
736
credentials_set.argtypes = [ClientSession, credentials_type_t,
737
CastToVoidPointer(Credentials)]
687
credentials_set.argtypes = [session_t, credentials_type_t,
688
ctypes.c_void_p]
738
689
credentials_set.restype = _error_code
739
690
740
691
strerror = _library.gnutls_strerror
742
693
strerror.restype = ctypes.c_char_p
743
694
744
695
certificate_type_get = _library.gnutls_certificate_type_get
745
certificate_type_get.argtypes = [ClientSession]
696
certificate_type_get.argtypes = [session_t]
746
697
certificate_type_get.restype = _error_code
747
698
748
699
certificate_get_peers = _library.gnutls_certificate_get_peers
749
certificate_get_peers.argtypes = [ClientSession,
700
certificate_get_peers.argtypes = [session_t,
750
701
ctypes.POINTER(ctypes.c_uint)]
751
702
certificate_get_peers.restype = ctypes.POINTER(datum_t)
752
703
759
710
global_set_log_function.restype = None
760
711
761
712
deinit = _library.gnutls_deinit
762
deinit.argtypes = [ClientSession]
713
deinit.argtypes = [session_t]
763
714
deinit.restype = None
764
715
765
716
handshake = _library.gnutls_handshake
766
handshake.argtypes = [ClientSession]
767
handshake.restype = ctypes.c_int
717
handshake.argtypes = [session_t]
718
handshake.restype = _error_code
768
719
handshake.errcheck = _retry_on_error
769
720
770
721
transport_set_ptr = _library.gnutls_transport_set_ptr
771
transport_set_ptr.argtypes = [ClientSession, transport_ptr_t]
722
transport_set_ptr.argtypes = [session_t, transport_ptr_t]
772
723
transport_set_ptr.restype = None
773
724
774
725
bye = _library.gnutls_bye
775
bye.argtypes = [ClientSession, close_request_t]
776
bye.restype = ctypes.c_int
726
bye.argtypes = [session_t, close_request_t]
727
bye.restype = _error_code
777
728
bye.errcheck = _retry_on_error
778
729
779
730
check_version = _library.gnutls_check_version
780
731
check_version.argtypes = [ctypes.c_char_p]
781
732
check_version.restype = ctypes.c_char_p
782
733
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"
789
has_rawpk = bool(check_version(_tls_rawpk_version))
790
791
if has_rawpk:
792
# Types
793
class pubkey_st(ctypes.Structure):
794
_fields = []
795
pubkey_t = ctypes.POINTER(pubkey_st)
796
797
x509_crt_fmt_t = ctypes.c_int
798
799
# All the function declarations below are from
800
# gnutls/abstract.h
801
pubkey_init = _library.gnutls_pubkey_init
802
pubkey_init.argtypes = [ctypes.POINTER(pubkey_t)]
803
pubkey_init.restype = _error_code
804
805
pubkey_import = _library.gnutls_pubkey_import
806
pubkey_import.argtypes = [pubkey_t, ctypes.POINTER(datum_t),
807
x509_crt_fmt_t]
808
pubkey_import.restype = _error_code
809
810
pubkey_get_key_id = _library.gnutls_pubkey_get_key_id
811
pubkey_get_key_id.argtypes = [pubkey_t, ctypes.c_int,
812
ctypes.POINTER(ctypes.c_ubyte),
813
ctypes.POINTER(ctypes.c_size_t)]
814
pubkey_get_key_id.restype = _error_code
815
816
pubkey_deinit = _library.gnutls_pubkey_deinit
817
pubkey_deinit.argtypes = [pubkey_t]
818
pubkey_deinit.restype = None
819
else:
820
# All the function declarations below are from
821
# gnutls/openpgp.h
822
823
openpgp_crt_init = _library.gnutls_openpgp_crt_init
824
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
825
openpgp_crt_init.restype = _error_code
826
827
openpgp_crt_import = _library.gnutls_openpgp_crt_import
828
openpgp_crt_import.argtypes = [openpgp_crt_t,
829
ctypes.POINTER(datum_t),
830
openpgp_crt_fmt_t]
831
openpgp_crt_import.restype = _error_code
832
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
]
840
openpgp_crt_verify_self.restype = _error_code
841
842
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
843
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
844
openpgp_crt_deinit.restype = None
845
846
openpgp_crt_get_fingerprint = (
847
_library.gnutls_openpgp_crt_get_fingerprint)
848
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
849
ctypes.c_void_p,
850
ctypes.POINTER(
851
ctypes.c_size_t)]
852
openpgp_crt_get_fingerprint.restype = _error_code
853
854
if check_version(b"3.6.4"):
855
certificate_type_get2 = _library.gnutls_certificate_type_get2
856
certificate_type_get2.argtypes = [ClientSession, ctypes.c_int]
857
certificate_type_get2.restype = _error_code
734
# All the function declarations below are from gnutls/openpgp.h
735
736
openpgp_crt_init = _library.gnutls_openpgp_crt_init
737
openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
738
openpgp_crt_init.restype = _error_code
739
740
openpgp_crt_import = _library.gnutls_openpgp_crt_import
741
openpgp_crt_import.argtypes = [openpgp_crt_t,
742
ctypes.POINTER(datum_t),
743
openpgp_crt_fmt_t]
744
openpgp_crt_import.restype = _error_code
745
746
openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
747
openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
748
ctypes.POINTER(ctypes.c_uint)]
749
openpgp_crt_verify_self.restype = _error_code
750
751
openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
752
openpgp_crt_deinit.argtypes = [openpgp_crt_t]
753
openpgp_crt_deinit.restype = None
754
755
openpgp_crt_get_fingerprint = (
756
_library.gnutls_openpgp_crt_get_fingerprint)
757
openpgp_crt_get_fingerprint.argtypes = [openpgp_crt_t,
758
ctypes.c_void_p,
759
ctypes.POINTER(
760
ctypes.c_size_t)]
761
openpgp_crt_get_fingerprint.restype = _error_code
858
762
859
763
# Remove non-public functions
860
764
del _error_code, _retry_on_error
765
# Create the global "gnutls" object, simulating a module
766
gnutls = GnuTLS()
861
767
862
768
863
769
def call_pipe(connection, # : multiprocessing.Connection
871
777
connection.close()
872
778
873
779
874
class Client:
780
class Client(object):
875
781
"""A representation of a client host served by this server.
876
782
877
783
Attributes:
878
approved: bool(); None if not yet approved/disapproved
784
approved: bool(); 'None' if not yet approved/disapproved
879
785
approval_delay: datetime.timedelta(); Time to wait for approval
880
786
approval_duration: datetime.timedelta(); Duration of one approval
881
checker: multiprocessing.Process(); a running checker process used
882
to see if the client lives. None if no process is
883
running.
787
checker: subprocess.Popen(); a running checker process used
788
to see if the client lives.
789
'None' if no process is running.
884
790
checker_callback_tag: a GLib event source tag, or None
885
791
checker_command: string; External command which is run to check
886
792
if client lives. %() expansions are done at
894
800
disable_initiator_tag: a GLib event source tag, or None
895
801
enabled: bool()
896
802
fingerprint: string (40 or 32 hexadecimal digits); used to
897
uniquely identify an OpenPGP client
898
key_id: string (64 hexadecimal digits); used to uniquely identify
899
a client using raw public keys
803
uniquely identify the client
900
804
host: string; available for use by the checker command
901
805
interval: datetime.timedelta(); How often to start a new checker
902
806
last_approval_request: datetime.datetime(); (UTC) or None
920
824
"""
921
825
922
826
runtime_expansions = ("approval_delay", "approval_duration",
923
"created", "enabled", "expires", "key_id",
827
"created", "enabled", "expires",
924
828
"fingerprint", "host", "interval",
925
829
"last_approval_request", "last_checked_ok",
926
830
"last_enabled", "name", "timeout")
956
860
client["enabled"] = config.getboolean(client_name,
957
861
"enabled")
958
862
959
# Uppercase and remove spaces from key_id and fingerprint
960
# for later comparison purposes with return value from the
961
# key_id() and fingerprint() functions
962
client["key_id"] = (section.get("key_id", "").upper()
963
.replace(" ", ""))
964
client["fingerprint"] = (section.get("fingerprint",
965
"").upper()
863
# Uppercase and remove spaces from fingerprint for later
864
# comparison purposes with return value from the
865
# fingerprint() function
866
client["fingerprint"] = (section["fingerprint"].upper()
966
867
.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
868
if "secret" in section:
973
869
client["secret"] = codecs.decode(section["secret"]
974
870
.encode("utf-8"),
1015
911
self.last_enabled = None
1016
912
self.expires = None
1017
913
1018
log.debug("Creating client %r", self.name)
1019
log.debug(" Key ID: %s", self.key_id)
1020
log.debug(" Fingerprint: %s", self.fingerprint)
914
logger.debug("Creating client %r", self.name)
915
logger.debug(" Fingerprint: %s", self.fingerprint)
1021
916
self.created = settings.get("created",
1022
917
datetime.datetime.utcnow())
1023
918
1051
946
if getattr(self, "enabled", False):
1052
947
# Already enabled
1053
948
return
949
self.expires = datetime.datetime.utcnow() + self.timeout
1054
950
self.enabled = True
1055
951
self.last_enabled = datetime.datetime.utcnow()
1056
952
self.init_checker()
1061
957
if not getattr(self, "enabled", False):
1062
958
return False
1063
959
if not quiet:
1064
log.info("Disabling client %s", self.name)
960
logger.info("Disabling client %s", self.name)
1065
961
if getattr(self, "disable_initiator_tag", None) is not None:
1066
962
GLib.source_remove(self.disable_initiator_tag)
1067
963
self.disable_initiator_tag = None
1079
975
def __del__(self):
1080
976
self.disable()
1081
977
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.
978
def init_checker(self):
979
# Schedule a new checker to be started an 'interval' from now,
980
# and every interval from then on.
1087
981
if self.checker_initiator_tag is not None:
1088
982
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
983
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
984
int(self.interval.total_seconds() * 1000),
985
self.start_checker)
986
# Schedule a disable() when 'timeout' has passed
1106
987
if self.disable_initiator_tag is not None:
1107
988
GLib.source_remove(self.disable_initiator_tag)
1108
989
self.disable_initiator_tag = GLib.timeout_add(
1109
int((self.expires - now).total_seconds() * 1000),
1110
self.disable)
990
int(self.timeout.total_seconds() * 1000), self.disable)
991
# Also start a new checker *right now*.
992
self.start_checker()
1111
993
1112
994
def checker_callback(self, source, condition, connection,
1113
995
command):
1114
996
"""The checker has completed, so take appropriate actions."""
997
self.checker_callback_tag = None
998
self.checker = None
1115
999
# Read return code from connection (see call_pipe)
1116
1000
returncode = connection.recv()
1117
1001
connection.close()
1118
if self.checker is not None:
1119
self.checker.join()
1120
self.checker_callback_tag = None
1121
self.checker = None
1122
1002
1123
1003
if returncode >= 0:
1124
1004
self.last_checker_status = returncode
1125
1005
self.last_checker_signal = None
1126
1006
if self.last_checker_status == 0:
1127
log.info("Checker for %(name)s succeeded", vars(self))
1007
logger.info("Checker for %(name)s succeeded",
1008
vars(self))
1128
1009
self.checked_ok()
1129
1010
else:
1130
log.info("Checker for %(name)s failed", vars(self))
1011
logger.info("Checker for %(name)s failed", vars(self))
1131
1012
else:
1132
1013
self.last_checker_status = -1
1133
1014
self.last_checker_signal = -returncode
1134
log.warning("Checker for %(name)s crashed?", vars(self))
1015
logger.warning("Checker for %(name)s crashed?",
1016
vars(self))
1135
1017
return False
1136
1018
1137
1019
def checked_ok(self):
1156
1038
def need_approval(self):
1157
1039
self.last_approval_request = datetime.datetime.utcnow()
1158
1040
1159
def start_checker(self, start_was_randomized=False):
1041
def start_checker(self):
1160
1042
"""Start a new checker subprocess if one is not running.
1161
1043
1162
1044
If a checker already exists, leave it running and do
1171
1053
# should be.
1172
1054
1173
1055
if self.checker is not None and not self.checker.is_alive():
1174
log.warning("Checker was not alive; joining")
1056
logger.warning("Checker was not alive; joining")
1175
1057
self.checker.join()
1176
1058
self.checker = None
1177
1059
# Start a new checker if needed
1178
1060
if self.checker is None:
1179
1061
# Escape attributes for the shell
1180
1062
escaped_attrs = {
1181
attr: shlex.quote(str(getattr(self, attr)))
1063
attr: re.escape(str(getattr(self, attr)))
1182
1064
for attr in self.runtime_expansions}
1183
1065
try:
1184
1066
command = self.checker_command % escaped_attrs
1185
1067
except TypeError as error:
1186
log.error('Could not format string "%s"',
1187
self.checker_command, exc_info=error)
1068
logger.error('Could not format string "%s"',
1069
self.checker_command,
1070
exc_info=error)
1188
1071
return True # Try again later
1189
1072
self.current_checker_command = command
1190
log.info("Starting checker %r for %s", command, self.name)
1073
logger.info("Starting checker %r for %s", command,
1074
self.name)
1191
1075
# We don't need to redirect stdout and stderr, since
1192
1076
# in normal mode, that is already done by daemon(),
1193
1077
# and in debug mode we don't want to. (Stdin is
1209
1093
kwargs=popen_args)
1210
1094
self.checker.start()
1211
1095
self.checker_callback_tag = GLib.io_add_watch(
1212
GLib.IOChannel.unix_new(pipe[0].fileno()),
1213
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
1096
pipe[0].fileno(), GLib.IO_IN,
1214
1097
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
1098
# Re-run this periodically if run by GLib.timeout_add
1227
1099
return True
1228
1100
1233
1105
self.checker_callback_tag = None
1234
1106
if getattr(self, "checker", None) is None:
1235
1107
return
1236
log.debug("Stopping checker for %(name)s", vars(self))
1108
logger.debug("Stopping checker for %(name)s", vars(self))
1237
1109
self.checker.terminate()
1238
1110
self.checker = None
1239
1111
1266
1138
func._dbus_name = func.__name__
1267
1139
if func._dbus_name.endswith("_dbus_property"):
1268
1140
func._dbus_name = func._dbus_name[:-14]
1269
func._dbus_get_args_options = {"byte_arrays": byte_arrays}
1141
func._dbus_get_args_options = {'byte_arrays': byte_arrays}
1270
1142
return func
1271
1143
1272
1144
return decorator
1361
1233
1362
1234
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1363
1235
out_signature="s",
1364
path_keyword="object_path",
1365
connection_keyword="connection")
1236
path_keyword='object_path',
1237
connection_keyword='connection')
1366
1238
def Introspect(self, object_path, connection):
1367
1239
"""Overloading of standard D-Bus method.
1368
1240
1417
1289
document.unlink()
1418
1290
except (AttributeError, xml.dom.DOMException,
1419
1291
xml.parsers.expat.ExpatError) as error:
1420
log.error("Failed to override Introspection method",
1421
exc_info=error)
1292
logger.error("Failed to override Introspection method",
1293
exc_info=error)
1422
1294
return xmlstring
1423
1295
1424
1296
1482
1354
raise ValueError("Byte arrays not supported for non-"
1483
1355
"'ay' signature {!r}"
1484
1356
.format(prop._dbus_signature))
1485
value = dbus.ByteArray(bytes(value))
1357
value = dbus.ByteArray(b''.join(chr(byte)
1358
for byte in value))
1486
1359
prop(value)
1487
1360
1488
1361
@dbus.service.method(dbus.PROPERTIES_IFACE,
1521
1394
1522
1395
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1523
1396
out_signature="s",
1524
path_keyword="object_path",
1525
connection_keyword="connection")
1397
path_keyword='object_path',
1398
connection_keyword='connection')
1526
1399
def Introspect(self, object_path, connection):
1527
1400
"""Overloading of standard D-Bus method.
1528
1401
1584
1457
document.unlink()
1585
1458
except (AttributeError, xml.dom.DOMException,
1586
1459
xml.parsers.expat.ExpatError) as error:
1587
log.error("Failed to override Introspection method",
1588
exc_info=error)
1460
logger.error("Failed to override Introspection method",
1461
exc_info=error)
1589
1462
return xmlstring
1590
1463
1591
1592
1464
try:
1593
1465
dbus.OBJECT_MANAGER_IFACE
1594
1466
except AttributeError:
1623
1495
1624
1496
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
1625
1497
out_signature="s",
1626
path_keyword="object_path",
1627
connection_keyword="connection")
1498
path_keyword='object_path',
1499
connection_keyword='connection')
1628
1500
def Introspect(self, object_path, connection):
1629
1501
"""Overloading of standard D-Bus method.
1630
1502
1655
1527
document.unlink()
1656
1528
except (AttributeError, xml.dom.DOMException,
1657
1529
xml.parsers.expat.ExpatError) as error:
1658
log.error("Failed to override Introspection method",
1659
exc_info=error)
1530
logger.error("Failed to override Introspection method",
1531
exc_info=error)
1660
1532
return xmlstring
1661
1533
1662
1534
2126
1998
def Name_dbus_property(self):
2127
1999
return dbus.String(self.name)
2128
2000
2129
# KeyID - property
2130
@dbus_annotations(
2131
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2132
@dbus_service_property(_interface, signature="s", access="read")
2133
def KeyID_dbus_property(self):
2134
return dbus.String(self.key_id)
2135
2136
2001
# Fingerprint - property
2137
2002
@dbus_annotations(
2138
2003
{"org.freedesktop.DBus.Property.EmitsChangedSignal": "const"})
2293
2158
del _interface
2294
2159
2295
2160
2296
class ProxyClient:
2297
def __init__(self, child_pipe, key_id, fpr, address):
2161
class ProxyClient(object):
2162
def __init__(self, child_pipe, fpr, address):
2298
2163
self._pipe = child_pipe
2299
self._pipe.send(("init", key_id, fpr, address))
2164
self._pipe.send(('init', fpr, address))
2300
2165
if not self._pipe.recv():
2301
raise KeyError(key_id or fpr)
2166
raise KeyError(fpr)
2302
2167
2303
2168
def __getattribute__(self, name):
2304
if name == "_pipe":
2169
if name == '_pipe':
2305
2170
return super(ProxyClient, self).__getattribute__(name)
2306
self._pipe.send(("getattr", name))
2171
self._pipe.send(('getattr', name))
2307
2172
data = self._pipe.recv()
2308
if data[0] == "data":
2173
if data[0] == 'data':
2309
2174
return data[1]
2310
if data[0] == "function":
2175
if data[0] == 'function':
2311
2176
2312
2177
def func(*args, **kwargs):
2313
self._pipe.send(("funcall", name, args, kwargs))
2178
self._pipe.send(('funcall', name, args, kwargs))
2314
2179
return self._pipe.recv()[1]
2315
2180
2316
2181
return func
2317
2182
2318
2183
def __setattr__(self, name, value):
2319
if name == "_pipe":
2184
if name == '_pipe':
2320
2185
return super(ProxyClient, self).__setattr__(name, value)
2321
self._pipe.send(("setattr", name, value))
2186
self._pipe.send(('setattr', name, value))
2322
2187
2323
2188
2324
2189
class ClientHandler(socketserver.BaseRequestHandler, object):
2329
2194
2330
2195
def handle(self):
2331
2196
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())
2197
logger.info("TCP connection from: %s",
2198
str(self.client_address))
2199
logger.debug("Pipe FD: %d",
2200
self.server.child_pipe.fileno())
2335
2201
2336
2202
session = gnutls.ClientSession(self.request)
2337
2203
2338
# priority = ":".join(("NONE", "+VERS-TLS1.1",
2204
# priority = ':'.join(("NONE", "+VERS-TLS1.1",
2339
2205
# "+AES-256-CBC", "+SHA1",
2340
2206
# "+COMP-NULL", "+CTYPE-OPENPGP",
2341
2207
# "+DHE-DSS"))
2343
2209
priority = self.server.gnutls_priority
2344
2210
if priority is None:
2345
2211
priority = "NORMAL"
2346
gnutls.priority_set_direct(session,
2347
priority.encode("utf-8"), None)
2212
gnutls.priority_set_direct(session._c_object,
2213
priority.encode("utf-8"),
2214
None)
2348
2215
2349
2216
# Start communication using the Mandos protocol
2350
2217
# Get protocol number
2351
2218
line = self.request.makefile().readline()
2352
log.debug("Protocol version: %r", line)
2219
logger.debug("Protocol version: %r", line)
2353
2220
try:
2354
2221
if int(line.strip().split()[0]) > 1:
2355
2222
raise RuntimeError(line)
2356
2223
except (ValueError, IndexError, RuntimeError) as error:
2357
log.error("Unknown protocol version: %s", error)
2224
logger.error("Unknown protocol version: %s", error)
2358
2225
return
2359
2226
2360
2227
# Start GnuTLS connection
2361
2228
try:
2362
2229
session.handshake()
2363
2230
except gnutls.Error as error:
2364
log.warning("Handshake failed: %s", error)
2231
logger.warning("Handshake failed: %s", error)
2365
2232
# Do not run session.bye() here: the session is not
2366
2233
# established. Just abandon the request.
2367
2234
return
2368
log.debug("Handshake succeeded")
2235
logger.debug("Handshake succeeded")
2369
2236
2370
2237
approval_required = False
2371
2238
try:
2372
if gnutls.has_rawpk:
2373
fpr = b""
2374
try:
2375
key_id = self.key_id(
2376
self.peer_certificate(session))
2377
except (TypeError, gnutls.Error) as error:
2378
log.warning("Bad certificate: %s", error)
2379
return
2380
log.debug("Key ID: %s",
2381
key_id.decode("utf-8",
2382
errors="replace"))
2383
2384
else:
2385
key_id = b""
2386
try:
2387
fpr = self.fingerprint(
2388
self.peer_certificate(session))
2389
except (TypeError, gnutls.Error) as error:
2390
log.warning("Bad certificate: %s", error)
2391
return
2392
log.debug("Fingerprint: %s", fpr)
2393
2394
try:
2395
client = ProxyClient(child_pipe, key_id, fpr,
2239
try:
2240
fpr = self.fingerprint(
2241
self.peer_certificate(session))
2242
except (TypeError, gnutls.Error) as error:
2243
logger.warning("Bad certificate: %s", error)
2244
return
2245
logger.debug("Fingerprint: %s", fpr)
2246
2247
try:
2248
client = ProxyClient(child_pipe, fpr,
2396
2249
self.client_address)
2397
2250
except KeyError:
2398
2251
return
2404
2257
2405
2258
while True:
2406
2259
if not client.enabled:
2407
log.info("Client %s is disabled", client.name)
2260
logger.info("Client %s is disabled",
2261
client.name)
2408
2262
if self.server.use_dbus:
2409
2263
# Emit D-Bus signal
2410
2264
client.Rejected("Disabled")
2414
2268
# We are approved or approval is disabled
2415
2269
break
2416
2270
elif client.approved is None:
2417
log.info("Client %s needs approval",
2418
client.name)
2271
logger.info("Client %s needs approval",
2272
client.name)
2419
2273
if self.server.use_dbus:
2420
2274
# Emit D-Bus signal
2421
2275
client.NeedApproval(
2422
2276
client.approval_delay.total_seconds()
2423
2277
* 1000, client.approved_by_default)
2424
2278
else:
2425
log.warning("Client %s was not approved",
2426
client.name)
2279
logger.warning("Client %s was not approved",
2280
client.name)
2427
2281
if self.server.use_dbus:
2428
2282
# Emit D-Bus signal
2429
2283
client.Rejected("Denied")
2437
2291
time2 = datetime.datetime.now()
2438
2292
if (time2 - time) >= delay:
2439
2293
if not client.approved_by_default:
2440
log.warning("Client %s timed out while"
2441
" waiting for approval",
2442
client.name)
2294
logger.warning("Client %s timed out while"
2295
" waiting for approval",
2296
client.name)
2443
2297
if self.server.use_dbus:
2444
2298
# Emit D-Bus signal
2445
2299
client.Rejected("Approval timed out")
2452
2306
try:
2453
2307
session.send(client.secret)
2454
2308
except gnutls.Error as error:
2455
log.warning("gnutls send failed", exc_info=error)
2309
logger.warning("gnutls send failed",
2310
exc_info=error)
2456
2311
return
2457
2312
2458
log.info("Sending secret to %s", client.name)
2313
logger.info("Sending secret to %s", client.name)
2459
2314
# bump the timeout using extended_timeout
2460
2315
client.bump_timeout(client.extended_timeout)
2461
2316
if self.server.use_dbus:
2468
2323
try:
2469
2324
session.bye()
2470
2325
except gnutls.Error as error:
2471
log.warning("GnuTLS bye failed", exc_info=error)
2326
logger.warning("GnuTLS bye failed",
2327
exc_info=error)
2472
2328
2473
2329
@staticmethod
2474
2330
def peer_certificate(session):
2475
"Return the peer's certificate as a bytestring"
2476
try:
2477
cert_type = gnutls.certificate_type_get2(
2478
session, gnutls.CTYPE_PEERS)
2479
except AttributeError:
2480
cert_type = gnutls.certificate_type_get(session)
2481
if gnutls.has_rawpk:
2482
valid_cert_types = frozenset((gnutls.CRT_RAWPK,))
2483
else:
2484
valid_cert_types = frozenset((gnutls.CRT_OPENPGP,))
2485
# If not a valid certificate type...
2486
if cert_type not in valid_cert_types:
2487
log.info("Cert type %r not in %r", cert_type,
2488
valid_cert_types)
2331
"Return the peer's OpenPGP certificate as a bytestring"
2332
# If not an OpenPGP certificate...
2333
if (gnutls.certificate_type_get(session._c_object)
2334
!= gnutls.CRT_OPENPGP):
2489
2335
# ...return invalid data
2490
2336
return b""
2491
2337
list_size = ctypes.c_uint(1)
2492
2338
cert_list = (gnutls.certificate_get_peers
2493
(session, ctypes.byref(list_size)))
2339
(session._c_object, ctypes.byref(list_size)))
2494
2340
if not bool(cert_list) and list_size.value != 0:
2495
2341
raise gnutls.Error("error getting peer certificate")
2496
2342
if list_size.value == 0:
2499
2345
return ctypes.string_at(cert.data, cert.size)
2500
2346
2501
2347
@staticmethod
2502
def key_id(certificate):
2503
"Convert a certificate bytestring to a hexdigit key ID"
2504
# New GnuTLS "datum" with the public key
2505
datum = gnutls.datum_t(
2506
ctypes.cast(ctypes.c_char_p(certificate),
2507
ctypes.POINTER(ctypes.c_ubyte)),
2508
ctypes.c_uint(len(certificate)))
2509
# XXX all these need to be created in the gnutls "module"
2510
# New empty GnuTLS certificate
2511
pubkey = gnutls.pubkey_t()
2512
gnutls.pubkey_init(ctypes.byref(pubkey))
2513
# Import the raw public key into the certificate
2514
gnutls.pubkey_import(pubkey,
2515
ctypes.byref(datum),
2516
gnutls.X509_FMT_DER)
2517
# New buffer for the key ID
2518
buf = ctypes.create_string_buffer(32)
2519
buf_len = ctypes.c_size_t(len(buf))
2520
# Get the key ID from the raw public key into the buffer
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))
2527
# Deinit the certificate
2528
gnutls.pubkey_deinit(pubkey)
2529
2530
# Convert the buffer to a Python bytestring
2531
key_id = ctypes.string_at(buf, buf_len.value)
2532
# Convert the bytestring to hexadecimal notation
2533
hex_key_id = binascii.hexlify(key_id).upper()
2534
return hex_key_id
2535
2536
@staticmethod
2537
2348
def fingerprint(openpgp):
2538
2349
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
2539
2350
# New GnuTLS "datum" with the OpenPGP public key
2553
2364
ctypes.byref(crtverify))
2554
2365
if crtverify.value != 0:
2555
2366
gnutls.openpgp_crt_deinit(crt)
2556
raise gnutls.CertificateSecurityError(code
2557
=crtverify.value)
2367
raise gnutls.CertificateSecurityError("Verify failed")
2558
2368
# New buffer for the fingerprint
2559
2369
buf = ctypes.create_string_buffer(20)
2560
2370
buf_len = ctypes.c_size_t()
2570
2380
return hex_fpr
2571
2381
2572
2382
2573
class MultiprocessingMixIn:
2383
class MultiprocessingMixIn(object):
2574
2384
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
2575
2385
2576
2386
def sub_process_main(self, request, address):
2588
2398
return proc
2589
2399
2590
2400
2591
class MultiprocessingMixInWithPipe(MultiprocessingMixIn):
2401
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2592
2402
""" adds a pipe to the MixIn """
2593
2403
2594
2404
def process_request(self, request, client_address):
2609
2419
2610
2420
2611
2421
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
2612
socketserver.TCPServer):
2613
"""IPv6-capable TCP server. Accepts None as address and/or port
2422
socketserver.TCPServer, object):
2423
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
2614
2424
2615
2425
Attributes:
2616
2426
enabled: Boolean; whether this server is activated yet
2667
2477
if SO_BINDTODEVICE is None:
2668
2478
# Fall back to a hard-coded value which seems to be
2669
2479
# common enough.
2670
log.warning("SO_BINDTODEVICE not found, trying 25")
2480
logger.warning("SO_BINDTODEVICE not found, trying 25")
2671
2481
SO_BINDTODEVICE = 25
2672
2482
try:
2673
2483
self.socket.setsockopt(
2675
2485
(self.interface + "\0").encode("utf-8"))
2676
2486
except socket.error as error:
2677
2487
if error.errno == errno.EPERM:
2678
log.error("No permission to bind to interface %s",
2679
self.interface)
2488
logger.error("No permission to bind to"
2489
" interface %s", self.interface)
2680
2490
elif error.errno == errno.ENOPROTOOPT:
2681
log.error("SO_BINDTODEVICE not available; cannot"
2682
" bind to interface %s", self.interface)
2491
logger.error("SO_BINDTODEVICE not available;"
2492
" cannot bind to interface %s",
2493
self.interface)
2683
2494
elif error.errno == errno.ENODEV:
2684
log.error("Interface %s does not exist, cannot"
2685
" bind", self.interface)
2495
logger.error("Interface %s does not exist,"
2496
" cannot bind", self.interface)
2686
2497
else:
2687
2498
raise
2688
2499
# Only bind(2) the socket if we really need to.
2689
2500
if self.server_address[0] or self.server_address[1]:
2690
if self.server_address[1]:
2691
self.allow_reuse_address = True
2692
2501
if not self.server_address[0]:
2693
2502
if self.address_family == socket.AF_INET6:
2694
2503
any_address = "::" # in6addr_any
2747
2556
def add_pipe(self, parent_pipe, proc):
2748
2557
# Call "handle_ipc" for both data and EOF events
2749
2558
GLib.io_add_watch(
2750
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2751
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2559
parent_pipe.fileno(),
2560
GLib.IO_IN | GLib.IO_HUP,
2752
2561
functools.partial(self.handle_ipc,
2753
2562
parent_pipe=parent_pipe,
2754
2563
proc=proc))
2767
2576
request = parent_pipe.recv()
2768
2577
command = request[0]
2769
2578
2770
if command == "init":
2771
key_id = request[1].decode("ascii")
2772
fpr = request[2].decode("ascii")
2773
address = request[3]
2579
if command == 'init':
2580
fpr = request[1]
2581
address = request[2]
2774
2582
2775
2583
for c in self.clients.values():
2776
if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"
2777
"27AE41E4649B934CA495991B7852B855"):
2778
continue
2779
if key_id and c.key_id == key_id:
2780
client = c
2781
break
2782
if fpr and c.fingerprint == fpr:
2584
if c.fingerprint == fpr:
2783
2585
client = c
2784
2586
break
2785
2587
else:
2786
log.info("Client not found for key ID: %s, address:"
2787
" %s", key_id or fpr, address)
2588
logger.info("Client not found for fingerprint: %s, ad"
2589
"dress: %s", fpr, address)
2788
2590
if self.use_dbus:
2789
2591
# Emit D-Bus signal
2790
mandos_dbus_service.ClientNotFound(key_id or fpr,
2592
mandos_dbus_service.ClientNotFound(fpr,
2791
2593
address[0])
2792
2594
parent_pipe.send(False)
2793
2595
return False
2794
2596
2795
2597
GLib.io_add_watch(
2796
GLib.IOChannel.unix_new(parent_pipe.fileno()),
2797
GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
2598
parent_pipe.fileno(),
2599
GLib.IO_IN | GLib.IO_HUP,
2798
2600
functools.partial(self.handle_ipc,
2799
2601
parent_pipe=parent_pipe,
2800
2602
proc=proc,
2803
2605
# remove the old hook in favor of the new above hook on
2804
2606
# same fileno
2805
2607
return False
2806
if command == "funcall":
2608
if command == 'funcall':
2807
2609
funcname = request[1]
2808
2610
args = request[2]
2809
2611
kwargs = request[3]
2810
2612
2811
parent_pipe.send(("data", getattr(client_object,
2613
parent_pipe.send(('data', getattr(client_object,
2812
2614
funcname)(*args,
2813
2615
**kwargs)))
2814
2616
2815
if command == "getattr":
2617
if command == 'getattr':
2816
2618
attrname = request[1]
2817
2619
if isinstance(client_object.__getattribute__(attrname),
2818
collections.abc.Callable):
2819
parent_pipe.send(("function", ))
2620
collections.Callable):
2621
parent_pipe.send(('function', ))
2820
2622
else:
2821
2623
parent_pipe.send((
2822
"data", client_object.__getattribute__(attrname)))
2624
'data', client_object.__getattribute__(attrname)))
2823
2625
2824
if command == "setattr":
2626
if command == 'setattr':
2825
2627
attrname = request[1]
2826
2628
value = request[2]
2827
2629
setattr(client_object, attrname, value)
2832
2634
def rfc3339_duration_to_delta(duration):
2833
2635
"""Parse an RFC 3339 "duration" and return a datetime.timedelta
2834
2636
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
2637
>>> rfc3339_duration_to_delta("P7D")
2638
datetime.timedelta(7)
2639
>>> rfc3339_duration_to_delta("PT60S")
2640
datetime.timedelta(0, 60)
2641
>>> rfc3339_duration_to_delta("PT60M")
2642
datetime.timedelta(0, 3600)
2643
>>> rfc3339_duration_to_delta("PT24H")
2644
datetime.timedelta(1)
2645
>>> rfc3339_duration_to_delta("P1W")
2646
datetime.timedelta(7)
2647
>>> rfc3339_duration_to_delta("PT5M30S")
2648
datetime.timedelta(0, 330)
2649
>>> rfc3339_duration_to_delta("P1DT3M20S")
2650
datetime.timedelta(1, 200)
2851
2651
"""
2852
2652
2853
2653
# Parsing an RFC 3339 duration with regular expressions is not
2933
2733
def string_to_delta(interval):
2934
2734
"""Parse a string and return a datetime.timedelta
2935
2735
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
2736
>>> string_to_delta('7d')
2737
datetime.timedelta(7)
2738
>>> string_to_delta('60s')
2739
datetime.timedelta(0, 60)
2740
>>> string_to_delta('60m')
2741
datetime.timedelta(0, 3600)
2742
>>> string_to_delta('24h')
2743
datetime.timedelta(1)
2744
>>> string_to_delta('1w')
2745
datetime.timedelta(7)
2746
>>> string_to_delta('5m 30s')
2747
datetime.timedelta(0, 330)
2948
2748
"""
2949
2749
2950
2750
try:
3052
2852
3053
2853
options = parser.parse_args()
3054
2854
2855
if options.check:
2856
import doctest
2857
fail_count, test_count = doctest.testmod()
2858
sys.exit(os.EX_OK if fail_count == 0 else 1)
2859
3055
2860
# Default values for config file for server-global settings
3056
if gnutls.has_rawpk:
3057
priority = ("SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA"
3058
":!VERS-ALL:+VERS-TLS1.3:%PROFILE_ULTRA")
3059
else:
3060
priority = ("SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
3061
":+SIGN-DSA-SHA256")
3062
2861
server_defaults = {"interface": "",
3063
2862
"address": "",
3064
2863
"port": "",
3065
2864
"debug": "False",
3066
"priority": priority,
2865
"priority":
2866
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA"
2867
":+SIGN-DSA-SHA256",
3067
2868
"servicename": "Mandos",
3068
2869
"use_dbus": "True",
3069
2870
"use_ipv6": "True",
3074
2875
"foreground": "False",
3075
2876
"zeroconf": "True",
3076
2877
}
3077
del priority
3078
2878
3079
2879
# Parse config file for server-global settings
3080
server_config = configparser.ConfigParser(server_defaults)
2880
server_config = configparser.SafeConfigParser(server_defaults)
3081
2881
del server_defaults
3082
2882
server_config.read(os.path.join(options.configdir, "mandos.conf"))
3083
# Convert the ConfigParser object to a dict
2883
# Convert the SafeConfigParser object to a dict
3084
2884
server_settings = server_config.defaults()
3085
2885
# Use the appropriate methods on the non-string config options
3086
for option in ("debug", "use_dbus", "use_ipv6", "restore",
3087
"foreground", "zeroconf"):
2886
for option in ("debug", "use_dbus", "use_ipv6", "foreground"):
3088
2887
server_settings[option] = server_config.getboolean("DEFAULT",
3089
2888
option)
3090
2889
if server_settings["port"]:
3153
2952
3154
2953
if server_settings["servicename"] != "Mandos":
3155
2954
syslogger.setFormatter(
3156
logging.Formatter("Mandos ({}) [%(process)d]:"
3157
" %(levelname)s: %(message)s".format(
2955
logging.Formatter('Mandos ({}) [%(process)d]:'
2956
' %(levelname)s: %(message)s'.format(
3158
2957
server_settings["servicename"])))
3159
2958
3160
2959
# Parse config file with clients
3161
client_config = configparser.ConfigParser(Client.client_defaults)
2960
client_config = configparser.SafeConfigParser(Client
2961
.client_defaults)
3162
2962
client_config.read(os.path.join(server_settings["configdir"],
3163
2963
"clients.conf"))
3164
2964
3184
2984
try:
3185
2985
pidfile = codecs.open(pidfilename, "w", encoding="utf-8")
3186
2986
except IOError as e:
3187
log.error("Could not open file %r", pidfilename,
3188
exc_info=e)
2987
logger.error("Could not open file %r", pidfilename,
2988
exc_info=e)
3189
2989
3190
2990
for name, group in (("_mandos", "_mandos"),
3191
2991
("mandos", "mandos"),
3202
3002
try:
3203
3003
os.setgid(gid)
3204
3004
os.setuid(uid)
3205
log.debug("Did setuid/setgid to %s:%s", uid, gid)
3005
if debug:
3006
logger.debug("Did setuid/setgid to {}:{}".format(uid,
3007
gid))
3206
3008
except OSError as error:
3207
log.warning("Failed to setuid/setgid to %s:%s: %s", uid, gid,
3208
os.strerror(error.errno))
3009
logger.warning("Failed to setuid/setgid to {}:{}: {}"
3010
.format(uid, gid, os.strerror(error.errno)))
3209
3011
if error.errno != errno.EPERM:
3210
3012
raise
3211
3013
3218
3020
3219
3021
@gnutls.log_func
3220
3022
def debug_gnutls(level, string):
3221
log.debug("GnuTLS: %s",
3222
string[:-1].decode("utf-8", errors="replace"))
3023
logger.debug("GnuTLS: %s", string[:-1])
3223
3024
3224
3025
gnutls.global_set_log_function(debug_gnutls)
3225
3026
3234
3035
# Close all input and output, do double fork, etc.
3235
3036
daemon()
3236
3037
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()
3038
# multiprocessing will use threads, so before we use GLib we need
3039
# to inform GLib that threads will be used.
3040
GLib.threads_init()
3241
3041
3242
3042
global main_loop
3243
3043
# From the Avahi example code
3254
3054
"se.bsnet.fukt.Mandos", bus,
3255
3055
do_not_queue=True)
3256
3056
except dbus.exceptions.DBusException as e:
3257
log.error("Disabling D-Bus:", exc_info=e)
3057
logger.error("Disabling D-Bus:", exc_info=e)
3258
3058
use_dbus = False
3259
3059
server_settings["use_dbus"] = False
3260
3060
tcp_server.use_dbus = False
3319
3119
if isinstance(s, bytes)
3320
3120
else s) for s in
3321
3121
value["client_structure"]]
3322
# .name, .host, and .checker_command
3323
for k in ("name", "host", "checker_command"):
3122
# .name & .host
3123
for k in ("name", "host"):
3324
3124
if isinstance(value[k], bytes):
3325
3125
value[k] = value[k].decode("utf-8")
3326
if "key_id" not in value:
3327
value["key_id"] = ""
3328
elif "fingerprint" not in value:
3329
value["fingerprint"] = ""
3330
3126
# old_client_settings
3331
3127
# .keys()
3332
3128
old_client_settings = {
3336
3132
for key, value in
3337
3133
bytes_old_client_settings.items()}
3338
3134
del bytes_old_client_settings
3339
# .host and .checker_command
3135
# .host
3340
3136
for value in old_client_settings.values():
3341
for attribute in ("host", "checker_command"):
3342
if isinstance(value[attribute], bytes):
3343
value[attribute] = (value[attribute]
3344
.decode("utf-8"))
3137
if isinstance(value["host"], bytes):
3138
value["host"] = (value["host"]
3139
.decode("utf-8"))
3345
3140
os.remove(stored_state_path)
3346
3141
except IOError as e:
3347
3142
if e.errno == errno.ENOENT:
3348
log.warning("Could not load persistent state:"
3349
" %s", os.strerror(e.errno))
3143
logger.warning("Could not load persistent state:"
3144
" {}".format(os.strerror(e.errno)))
3350
3145
else:
3351
log.critical("Could not load persistent state:",
3352
exc_info=e)
3146
logger.critical("Could not load persistent state:",
3147
exc_info=e)
3353
3148
raise
3354
3149
except EOFError as e:
3355
log.warning("Could not load persistent state: EOFError:",
3356
exc_info=e)
3150
logger.warning("Could not load persistent state: "
3151
"EOFError:",
3152
exc_info=e)
3357
3153
3358
3154
with PGPEngine() as pgp:
3359
3155
for client_name, client in clients_data.items():
3386
3182
if client["enabled"]:
3387
3183
if datetime.datetime.utcnow() >= client["expires"]:
3388
3184
if not client["last_checked_ok"]:
3389
log.warning("disabling client %s - Client"
3390
" never performed a successful"
3391
" checker", client_name)
3185
logger.warning(
3186
"disabling client {} - Client never "
3187
"performed a successful checker".format(
3188
client_name))
3392
3189
client["enabled"] = False
3393
3190
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"])
3191
logger.warning(
3192
"disabling client {} - Client last"
3193
" checker failed with error code"
3194
" {}".format(
3195
client_name,
3196
client["last_checker_status"]))
3398
3197
client["enabled"] = False
3399
3198
else:
3400
3199
client["expires"] = (
3401
3200
datetime.datetime.utcnow()
3402
3201
+ client["timeout"])
3403
log.debug("Last checker succeeded, keeping %s"
3404
" enabled", client_name)
3202
logger.debug("Last checker succeeded,"
3203
" keeping {} enabled".format(
3204
client_name))
3405
3205
try:
3406
3206
client["secret"] = pgp.decrypt(
3407
3207
client["encrypted_secret"],
3408
3208
client_settings[client_name]["secret"])
3409
3209
except PGPError:
3410
3210
# If decryption fails, we use secret from new settings
3411
log.debug("Failed to decrypt %s old secret",
3412
client_name)
3211
logger.debug("Failed to decrypt {} old secret".format(
3212
client_name))
3413
3213
client["secret"] = (client_settings[client_name]
3414
3214
["secret"])
3415
3215
3429
3229
server_settings=server_settings)
3430
3230
3431
3231
if not tcp_server.clients:
3432
log.warning("No clients defined")
3232
logger.warning("No clients defined")
3433
3233
3434
3234
if not foreground:
3435
3235
if pidfile is not None:
3438
3238
with pidfile:
3439
3239
print(pid, file=pidfile)
3440
3240
except IOError:
3441
log.error("Could not write to file %r with PID %d",
3442
pidfilename, pid)
3241
logger.error("Could not write to file %r with PID %d",
3242
pidfilename, pid)
3443
3243
del pidfile
3444
3244
del pidfilename
3445
3245
3465
3265
pass
3466
3266
3467
3267
@dbus.service.signal(_interface, signature="ss")
3468
def ClientNotFound(self, key_id, address):
3268
def ClientNotFound(self, fingerprint, address):
3469
3269
"D-Bus signal"
3470
3270
pass
3471
3271
3595
3395
3596
3396
try:
3597
3397
with tempfile.NamedTemporaryFile(
3598
mode="wb",
3398
mode='wb',
3599
3399
suffix=".pickle",
3600
prefix="clients-",
3400
prefix='clients-',
3601
3401
dir=os.path.dirname(stored_state_path),
3602
3402
delete=False) as stored_state:
3603
3403
pickle.dump((clients, client_settings), stored_state,
3611
3411
except NameError:
3612
3412
pass
3613
3413
if e.errno in (errno.ENOENT, errno.EACCES, errno.EEXIST):
3614
log.warning("Could not save persistent state: %s",
3615
os.strerror(e.errno))
3414
logger.warning("Could not save persistent state: {}"
3415
.format(os.strerror(e.errno)))
3616
3416
else:
3617
log.warning("Could not save persistent state:",
3618
exc_info=e)
3417
logger.warning("Could not save persistent state:",
3418
exc_info=e)
3619
3419
raise
3620
3420
3621
3421
# Delete all clients, and settings from config
3638
3438
mandos_dbus_service.client_added_signal(client)
3639
3439
# Need to initiate checking of clients
3640
3440
if client.enabled:
3641
client.init_checker(randomize_start=True)
3441
client.init_checker()
3642
3442
3643
3443
tcp_server.enable()
3644
3444
tcp_server.server_activate()
3647
3447
if zeroconf:
3648
3448
service.port = tcp_server.socket.getsockname()[1]
3649
3449
if use_ipv6:
3650
log.info("Now listening on address %r, port %d, flowinfo %d,"
3651
" scope_id %d", *tcp_server.socket.getsockname())
3450
logger.info("Now listening on address %r, port %d,"
3451
" flowinfo %d, scope_id %d",
3452
*tcp_server.socket.getsockname())
3652
3453
else: # IPv4
3653
log.info("Now listening on address %r, port %d",
3654
*tcp_server.socket.getsockname())
3454
logger.info("Now listening on address %r, port %d",
3455
*tcp_server.socket.getsockname())
3655
3456
3656
3457
# service.interface = tcp_server.socket.getsockname()[3]
3657
3458
3661
3462
try:
3662
3463
service.activate()
3663
3464
except dbus.exceptions.DBusException as error:
3664
log.critical("D-Bus Exception", exc_info=error)
3465
logger.critical("D-Bus Exception", exc_info=error)
3665
3466
cleanup()
3666
3467
sys.exit(1)
3667
3468
# End of Avahi example code
3668
3469
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))
3470
GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
3471
lambda *args, **kwargs:
3472
(tcp_server.handle_request
3473
(*args[2:], **kwargs) or True))
3674
3474
3675
log.debug("Starting main loop")
3475
logger.debug("Starting main loop")
3676
3476
main_loop.run()
3677
3477
except AvahiError as error:
3678
log.critical("Avahi Error", exc_info=error)
3478
logger.critical("Avahi Error", exc_info=error)
3679
3479
cleanup()
3680
3480
sys.exit(1)
3681
3481
except KeyboardInterrupt:
3682
3482
if debug:
3683
3483
print("", file=sys.stderr)
3684
log.debug("Server received KeyboardInterrupt")
3685
log.debug("Server exiting")
3484
logger.debug("Server received KeyboardInterrupt")
3485
logger.debug("Server exiting")
3686
3486
# Must run before the D-Bus bus name gets deregistered
3687
3487
cleanup()
3688
3488
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:
3489
3490
if __name__ == '__main__':
3491
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0