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  • Committer: Teddy Hogeborn
  • Date: 2019-06-20 18:54:10 UTC
  • Revision ID: teddy@recompile.se-20190620185410-pwi5fyzzz0bd9s2x
Doc fix: Use new style interface names instead of "eth0"

* debian/mandos-client.README.Debian: Also use "enp1s0" as an example
                                      interface name.
* mandos.conf.xml (EXAMPLE): Change "interface" to "enp1s0", and
                             update priority string to new default.

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1
 
#!/usr/bin/python3 -bI
2
 
# -*- mode: python; after-save-hook: (lambda () (let ((command (if (fboundp 'file-local-name) (file-local-name (buffer-file-name)) (or (file-remote-p (buffer-file-name) 'localname) (buffer-file-name))))) (if (= (progn (if (get-buffer "*Test*") (kill-buffer "*Test*")) (process-file-shell-command (format "%s --check" (shell-quote-argument command)) nil "*Test*")) 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w))) (progn (with-current-buffer "*Test*" (compilation-mode)) (display-buffer "*Test*" '(display-buffer-in-side-window)))))); coding: utf-8 -*-
 
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 © 2008-2020 Teddy Hogeborn
15
 
# Copyright © 2008-2020 Björn Påhlsson
 
14
# Copyright © 2008-2019 Teddy Hogeborn
 
15
# Copyright © 2008-2019 Björn Påhlsson
16
16
#
17
17
# This file is part of Mandos.
18
18
#
77
77
import itertools
78
78
import collections
79
79
import codecs
80
 
import unittest
81
 
import random
82
 
import shlex
83
80
 
84
81
import dbus
85
82
import dbus.service
86
 
import gi
87
83
from gi.repository import GLib
88
84
from dbus.mainloop.glib import DBusGMainLoop
89
85
import ctypes
91
87
import xml.dom.minidom
92
88
import inspect
93
89
 
94
 
if sys.version_info.major == 2:
95
 
    __metaclass__ = type
96
 
    str = unicode
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
90
# Try to find the value of SO_BINDTODEVICE:
119
91
try:
120
92
    # This is where SO_BINDTODEVICE is in Python 3.3 (or 3.4?) and
140
112
            # No value found
141
113
            SO_BINDTODEVICE = None
142
114
 
143
 
if sys.version_info < (3, 2):
144
 
    configparser.Configparser = configparser.SafeConfigParser
 
115
if sys.version_info.major == 2:
 
116
    str = unicode
145
117
 
146
 
version = "1.8.14"
 
118
version = "1.8.4"
147
119
stored_state_file = "clients.pickle"
148
120
 
149
121
logger = logging.getLogger()
150
 
logging.captureWarnings(True)   # Show warnings via the logging system
151
122
syslogger = None
152
123
 
153
124
try:
208
179
    pass
209
180
 
210
181
 
211
 
class PGPEngine:
 
182
class PGPEngine(object):
212
183
    """A simple class for OpenPGP symmetric encryption & decryption"""
213
184
 
214
185
    def __init__(self):
218
189
            output = subprocess.check_output(["gpgconf"])
219
190
            for line in output.splitlines():
220
191
                name, text, path = line.split(b":")
221
 
                if name == b"gpg":
 
192
                if name == "gpg":
222
193
                    self.gpg = path
223
194
                    break
224
195
        except OSError as e:
229
200
                          '--force-mdc',
230
201
                          '--quiet']
231
202
        # Only GPG version 1 has the --no-use-agent option.
232
 
        if self.gpg == b"gpg" or self.gpg.endswith(b"/gpg"):
 
203
        if self.gpg == "gpg" or self.gpg.endswith("/gpg"):
233
204
            self.gnupgargs.append("--no-use-agent")
234
205
 
235
206
    def __enter__(self):
304
275
 
305
276
 
306
277
# Pretend that we have an Avahi module
307
 
class avahi:
 
278
class avahi(object):
308
279
    """This isn't so much a class as it is a module-like namespace."""
309
280
    IF_UNSPEC = -1               # avahi-common/address.h
310
281
    PROTO_UNSPEC = -1            # avahi-common/address.h
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:
524
495
class AvahiServiceToSyslog(AvahiService):
525
496
    def rename(self, *args, **kwargs):
526
497
        """Add the new name to the syslog messages"""
527
 
        ret = super(AvahiServiceToSyslog, self).rename(*args,
528
 
                                                       **kwargs)
 
498
        ret = super(AvahiServiceToSyslog, self).rename(*args, **kwargs)
529
499
        syslogger.setFormatter(logging.Formatter(
530
500
            'Mandos ({}) [%(process)d]: %(levelname)s: %(message)s'
531
501
            .format(self.name)))
533
503
 
534
504
 
535
505
# Pretend that we have a GnuTLS module
536
 
class gnutls:
 
506
class gnutls(object):
537
507
    """This isn't so much a class as it is a module-like namespace."""
538
508
 
539
509
    library = ctypes.util.find_library("gnutls")
602
572
        pass
603
573
 
604
574
    # Classes
605
 
    class Credentials:
 
575
    class Credentials(object):
606
576
        def __init__(self):
607
577
            self._c_object = gnutls.certificate_credentials_t()
608
578
            gnutls.certificate_allocate_credentials(
612
582
        def __del__(self):
613
583
            gnutls.certificate_free_credentials(self._c_object)
614
584
 
615
 
    class ClientSession:
 
585
    class ClientSession(object):
616
586
        def __init__(self, socket, credentials=None):
617
587
            self._c_object = gnutls.session_t()
618
588
            gnutls_flags = gnutls.CLIENT
619
 
            if gnutls.check_version(b"3.5.6"):
 
589
            if gnutls.check_version("3.5.6"):
620
590
                gnutls_flags |= gnutls.NO_TICKETS
621
591
            if gnutls.has_rawpk:
622
592
                gnutls_flags |= gnutls.ENABLE_RAWPK
775
745
 
776
746
        x509_crt_fmt_t = ctypes.c_int
777
747
 
778
 
        # All the function declarations below are from
779
 
        # gnutls/abstract.h
 
748
        # All the function declarations below are from gnutls/abstract.h
780
749
        pubkey_init = _library.gnutls_pubkey_init
781
750
        pubkey_init.argtypes = [ctypes.POINTER(pubkey_t)]
782
751
        pubkey_init.restype = _error_code
796
765
        pubkey_deinit.argtypes = [pubkey_t]
797
766
        pubkey_deinit.restype = None
798
767
    else:
799
 
        # All the function declarations below are from
800
 
        # gnutls/openpgp.h
 
768
        # All the function declarations below are from gnutls/openpgp.h
801
769
 
802
770
        openpgp_crt_init = _library.gnutls_openpgp_crt_init
803
771
        openpgp_crt_init.argtypes = [ctypes.POINTER(openpgp_crt_t)]
809
777
                                       openpgp_crt_fmt_t]
810
778
        openpgp_crt_import.restype = _error_code
811
779
 
812
 
        openpgp_crt_verify_self = \
813
 
            _library.gnutls_openpgp_crt_verify_self
814
 
        openpgp_crt_verify_self.argtypes = [
815
 
            openpgp_crt_t,
816
 
            ctypes.c_uint,
817
 
            ctypes.POINTER(ctypes.c_uint),
818
 
        ]
 
780
        openpgp_crt_verify_self = _library.gnutls_openpgp_crt_verify_self
 
781
        openpgp_crt_verify_self.argtypes = [openpgp_crt_t, ctypes.c_uint,
 
782
                                            ctypes.POINTER(ctypes.c_uint)]
819
783
        openpgp_crt_verify_self.restype = _error_code
820
784
 
821
785
        openpgp_crt_deinit = _library.gnutls_openpgp_crt_deinit
830
794
                                                    ctypes.c_size_t)]
831
795
        openpgp_crt_get_fingerprint.restype = _error_code
832
796
 
833
 
    if check_version(b"3.6.4"):
 
797
    if check_version("3.6.4"):
834
798
        certificate_type_get2 = _library.gnutls_certificate_type_get2
835
799
        certificate_type_get2.argtypes = [session_t, ctypes.c_int]
836
800
        certificate_type_get2.restype = _error_code
850
814
    connection.close()
851
815
 
852
816
 
853
 
class Client:
 
817
class Client(object):
854
818
    """A representation of a client host served by this server.
855
819
 
856
820
    Attributes:
857
821
    approved:   bool(); 'None' if not yet approved/disapproved
858
822
    approval_delay: datetime.timedelta(); Time to wait for approval
859
823
    approval_duration: datetime.timedelta(); Duration of one approval
860
 
    checker: multiprocessing.Process(); a running checker process used
861
 
             to see if the client lives. 'None' if no process is
862
 
             running.
 
824
    checker:    subprocess.Popen(); a running checker process used
 
825
                                    to see if the client lives.
 
826
                                    'None' if no process is running.
863
827
    checker_callback_tag: a GLib event source tag, or None
864
828
    checker_command: string; External command which is run to check
865
829
                     if client lives.  %() expansions are done at
1059
1023
        if self.checker_initiator_tag is not None:
1060
1024
            GLib.source_remove(self.checker_initiator_tag)
1061
1025
        self.checker_initiator_tag = GLib.timeout_add(
1062
 
            random.randrange(int(self.interval.total_seconds() * 1000
1063
 
                                 + 1)),
 
1026
            int(self.interval.total_seconds() * 1000),
1064
1027
            self.start_checker)
1065
1028
        # Schedule a disable() when 'timeout' has passed
1066
1029
        if self.disable_initiator_tag is not None:
1073
1036
    def checker_callback(self, source, condition, connection,
1074
1037
                         command):
1075
1038
        """The checker has completed, so take appropriate actions."""
 
1039
        self.checker_callback_tag = None
 
1040
        self.checker = None
1076
1041
        # Read return code from connection (see call_pipe)
1077
1042
        returncode = connection.recv()
1078
1043
        connection.close()
1079
 
        if self.checker is not None:
1080
 
            self.checker.join()
1081
 
        self.checker_callback_tag = None
1082
 
        self.checker = None
1083
1044
 
1084
1045
        if returncode >= 0:
1085
1046
            self.last_checker_status = returncode
1141
1102
        if self.checker is None:
1142
1103
            # Escape attributes for the shell
1143
1104
            escaped_attrs = {
1144
 
                attr: shlex.quote(str(getattr(self, attr)))
 
1105
                attr: re.escape(str(getattr(self, attr)))
1145
1106
                for attr in self.runtime_expansions}
1146
1107
            try:
1147
1108
                command = self.checker_command % escaped_attrs
1174
1135
                kwargs=popen_args)
1175
1136
            self.checker.start()
1176
1137
            self.checker_callback_tag = GLib.io_add_watch(
1177
 
                GLib.IOChannel.unix_new(pipe[0].fileno()),
1178
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN,
 
1138
                pipe[0].fileno(), GLib.IO_IN,
1179
1139
                self.checker_callback, pipe[0], command)
1180
1140
        # Re-run this periodically if run by GLib.timeout_add
1181
1141
        return True
1436
1396
                raise ValueError("Byte arrays not supported for non-"
1437
1397
                                 "'ay' signature {!r}"
1438
1398
                                 .format(prop._dbus_signature))
1439
 
            value = dbus.ByteArray(bytes(value))
 
1399
            value = dbus.ByteArray(b''.join(chr(byte)
 
1400
                                            for byte in value))
1440
1401
        prop(value)
1441
1402
 
1442
1403
    @dbus.service.method(dbus.PROPERTIES_IFACE,
2247
2208
    del _interface
2248
2209
 
2249
2210
 
2250
 
class ProxyClient:
 
2211
class ProxyClient(object):
2251
2212
    def __init__(self, child_pipe, key_id, fpr, address):
2252
2213
        self._pipe = child_pipe
2253
2214
        self._pipe.send(('init', key_id, fpr, address))
2326
2287
            approval_required = False
2327
2288
            try:
2328
2289
                if gnutls.has_rawpk:
2329
 
                    fpr = b""
 
2290
                    fpr = ""
2330
2291
                    try:
2331
2292
                        key_id = self.key_id(
2332
2293
                            self.peer_certificate(session))
2336
2297
                    logger.debug("Key ID: %s", key_id)
2337
2298
 
2338
2299
                else:
2339
 
                    key_id = b""
 
2300
                    key_id = ""
2340
2301
                    try:
2341
2302
                        fpr = self.fingerprint(
2342
2303
                            self.peer_certificate(session))
2475
2436
        buf = ctypes.create_string_buffer(32)
2476
2437
        buf_len = ctypes.c_size_t(len(buf))
2477
2438
        # Get the key ID from the raw public key into the buffer
2478
 
        gnutls.pubkey_get_key_id(
2479
 
            pubkey,
2480
 
            gnutls.KEYID_USE_SHA256,
2481
 
            ctypes.cast(ctypes.byref(buf),
2482
 
                        ctypes.POINTER(ctypes.c_ubyte)),
2483
 
            ctypes.byref(buf_len))
 
2439
        gnutls.pubkey_get_key_id(pubkey,
 
2440
                                 gnutls.KEYID_USE_SHA256,
 
2441
                                 ctypes.cast(ctypes.byref(buf),
 
2442
                                             ctypes.POINTER(ctypes.c_ubyte)),
 
2443
                                 ctypes.byref(buf_len))
2484
2444
        # Deinit the certificate
2485
2445
        gnutls.pubkey_deinit(pubkey)
2486
2446
 
2527
2487
        return hex_fpr
2528
2488
 
2529
2489
 
2530
 
class MultiprocessingMixIn:
 
2490
class MultiprocessingMixIn(object):
2531
2491
    """Like socketserver.ThreadingMixIn, but with multiprocessing"""
2532
2492
 
2533
2493
    def sub_process_main(self, request, address):
2545
2505
        return proc
2546
2506
 
2547
2507
 
2548
 
class MultiprocessingMixInWithPipe(MultiprocessingMixIn):
 
2508
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
2549
2509
    """ adds a pipe to the MixIn """
2550
2510
 
2551
2511
    def process_request(self, request, client_address):
2566
2526
 
2567
2527
 
2568
2528
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
2569
 
                     socketserver.TCPServer):
 
2529
                     socketserver.TCPServer, object):
2570
2530
    """IPv6-capable TCP server.  Accepts 'None' as address and/or port
2571
2531
 
2572
2532
    Attributes:
2645
2605
                    raise
2646
2606
        # Only bind(2) the socket if we really need to.
2647
2607
        if self.server_address[0] or self.server_address[1]:
2648
 
            if self.server_address[1]:
2649
 
                self.allow_reuse_address = True
2650
2608
            if not self.server_address[0]:
2651
2609
                if self.address_family == socket.AF_INET6:
2652
2610
                    any_address = "::"  # in6addr_any
2705
2663
    def add_pipe(self, parent_pipe, proc):
2706
2664
        # Call "handle_ipc" for both data and EOF events
2707
2665
        GLib.io_add_watch(
2708
 
            GLib.IOChannel.unix_new(parent_pipe.fileno()),
2709
 
            GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
 
2666
            parent_pipe.fileno(),
 
2667
            GLib.IO_IN | GLib.IO_HUP,
2710
2668
            functools.partial(self.handle_ipc,
2711
2669
                              parent_pipe=parent_pipe,
2712
2670
                              proc=proc))
2731
2689
            address = request[3]
2732
2690
 
2733
2691
            for c in self.clients.values():
2734
 
                if key_id == ("E3B0C44298FC1C149AFBF4C8996FB924"
2735
 
                              "27AE41E4649B934CA495991B7852B855"):
 
2692
                if key_id == "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855":
2736
2693
                    continue
2737
2694
                if key_id and c.key_id == key_id:
2738
2695
                    client = c
2751
2708
                return False
2752
2709
 
2753
2710
            GLib.io_add_watch(
2754
 
                GLib.IOChannel.unix_new(parent_pipe.fileno()),
2755
 
                GLib.PRIORITY_DEFAULT, GLib.IO_IN | GLib.IO_HUP,
 
2711
                parent_pipe.fileno(),
 
2712
                GLib.IO_IN | GLib.IO_HUP,
2756
2713
                functools.partial(self.handle_ipc,
2757
2714
                                  parent_pipe=parent_pipe,
2758
2715
                                  proc=proc,
2773
2730
        if command == 'getattr':
2774
2731
            attrname = request[1]
2775
2732
            if isinstance(client_object.__getattribute__(attrname),
2776
 
                          collections.abc.Callable):
 
2733
                          collections.Callable):
2777
2734
                parent_pipe.send(('function', ))
2778
2735
            else:
2779
2736
                parent_pipe.send((
2790
2747
def rfc3339_duration_to_delta(duration):
2791
2748
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
2792
2749
 
2793
 
    >>> timedelta = datetime.timedelta
2794
 
    >>> rfc3339_duration_to_delta("P7D") == timedelta(7)
2795
 
    True
2796
 
    >>> rfc3339_duration_to_delta("PT60S") == timedelta(0, 60)
2797
 
    True
2798
 
    >>> rfc3339_duration_to_delta("PT60M") == timedelta(0, 3600)
2799
 
    True
2800
 
    >>> rfc3339_duration_to_delta("PT24H") == timedelta(1)
2801
 
    True
2802
 
    >>> rfc3339_duration_to_delta("P1W") == timedelta(7)
2803
 
    True
2804
 
    >>> rfc3339_duration_to_delta("PT5M30S") == timedelta(0, 330)
2805
 
    True
2806
 
    >>> rfc3339_duration_to_delta("P1DT3M20S") == timedelta(1, 200)
2807
 
    True
2808
 
    >>> del timedelta
 
2750
    >>> rfc3339_duration_to_delta("P7D")
 
2751
    datetime.timedelta(7)
 
2752
    >>> rfc3339_duration_to_delta("PT60S")
 
2753
    datetime.timedelta(0, 60)
 
2754
    >>> rfc3339_duration_to_delta("PT60M")
 
2755
    datetime.timedelta(0, 3600)
 
2756
    >>> rfc3339_duration_to_delta("PT24H")
 
2757
    datetime.timedelta(1)
 
2758
    >>> rfc3339_duration_to_delta("P1W")
 
2759
    datetime.timedelta(7)
 
2760
    >>> rfc3339_duration_to_delta("PT5M30S")
 
2761
    datetime.timedelta(0, 330)
 
2762
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
2763
    datetime.timedelta(1, 200)
2809
2764
    """
2810
2765
 
2811
2766
    # Parsing an RFC 3339 duration with regular expressions is not
2891
2846
def string_to_delta(interval):
2892
2847
    """Parse a string and return a datetime.timedelta
2893
2848
 
2894
 
    >>> string_to_delta('7d') == datetime.timedelta(7)
2895
 
    True
2896
 
    >>> string_to_delta('60s') == datetime.timedelta(0, 60)
2897
 
    True
2898
 
    >>> string_to_delta('60m') == datetime.timedelta(0, 3600)
2899
 
    True
2900
 
    >>> string_to_delta('24h') == datetime.timedelta(1)
2901
 
    True
2902
 
    >>> string_to_delta('1w') == datetime.timedelta(7)
2903
 
    True
2904
 
    >>> string_to_delta('5m 30s') == datetime.timedelta(0, 330)
2905
 
    True
 
2849
    >>> string_to_delta('7d')
 
2850
    datetime.timedelta(7)
 
2851
    >>> string_to_delta('60s')
 
2852
    datetime.timedelta(0, 60)
 
2853
    >>> string_to_delta('60m')
 
2854
    datetime.timedelta(0, 3600)
 
2855
    >>> string_to_delta('24h')
 
2856
    datetime.timedelta(1)
 
2857
    >>> string_to_delta('1w')
 
2858
    datetime.timedelta(7)
 
2859
    >>> string_to_delta('5m 30s')
 
2860
    datetime.timedelta(0, 330)
2906
2861
    """
2907
2862
 
2908
2863
    try:
3010
2965
 
3011
2966
    options = parser.parse_args()
3012
2967
 
 
2968
    if options.check:
 
2969
        import doctest
 
2970
        fail_count, test_count = doctest.testmod()
 
2971
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
2972
 
3013
2973
    # Default values for config file for server-global settings
3014
2974
    if gnutls.has_rawpk:
3015
2975
        priority = ("SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA"
3035
2995
    del priority
3036
2996
 
3037
2997
    # Parse config file for server-global settings
3038
 
    server_config = configparser.ConfigParser(server_defaults)
 
2998
    server_config = configparser.SafeConfigParser(server_defaults)
3039
2999
    del server_defaults
3040
3000
    server_config.read(os.path.join(options.configdir, "mandos.conf"))
3041
 
    # Convert the ConfigParser object to a dict
 
3001
    # Convert the SafeConfigParser object to a dict
3042
3002
    server_settings = server_config.defaults()
3043
3003
    # Use the appropriate methods on the non-string config options
3044
3004
    for option in ("debug", "use_dbus", "use_ipv6", "restore",
3116
3076
                                  server_settings["servicename"])))
3117
3077
 
3118
3078
    # Parse config file with clients
3119
 
    client_config = configparser.ConfigParser(Client.client_defaults)
 
3079
    client_config = configparser.SafeConfigParser(Client
 
3080
                                                  .client_defaults)
3120
3081
    client_config.read(os.path.join(server_settings["configdir"],
3121
3082
                                    "clients.conf"))
3122
3083
 
3193
3154
        # Close all input and output, do double fork, etc.
3194
3155
        daemon()
3195
3156
 
3196
 
    if gi.version_info < (3, 10, 2):
3197
 
        # multiprocessing will use threads, so before we use GLib we
3198
 
        # need to inform GLib that threads will be used.
3199
 
        GLib.threads_init()
 
3157
    # multiprocessing will use threads, so before we use GLib we need
 
3158
    # to inform GLib that threads will be used.
 
3159
    GLib.threads_init()
3200
3160
 
3201
3161
    global main_loop
3202
3162
    # From the Avahi example code
3278
3238
                             if isinstance(s, bytes)
3279
3239
                             else s) for s in
3280
3240
                            value["client_structure"]]
3281
 
                        # .name, .host, and .checker_command
3282
 
                        for k in ("name", "host", "checker_command"):
 
3241
                        # .name & .host
 
3242
                        for k in ("name", "host"):
3283
3243
                            if isinstance(value[k], bytes):
3284
3244
                                value[k] = value[k].decode("utf-8")
3285
 
                        if "key_id" not in value:
 
3245
                        if not value.has_key("key_id"):
3286
3246
                            value["key_id"] = ""
3287
 
                        elif "fingerprint" not in value:
 
3247
                        elif not value.has_key("fingerprint"):
3288
3248
                            value["fingerprint"] = ""
3289
3249
                    #  old_client_settings
3290
3250
                    # .keys()
3295
3255
                        for key, value in
3296
3256
                        bytes_old_client_settings.items()}
3297
3257
                    del bytes_old_client_settings
3298
 
                    # .host and .checker_command
 
3258
                    # .host
3299
3259
                    for value in old_client_settings.values():
3300
 
                        for attribute in ("host", "checker_command"):
3301
 
                            if isinstance(value[attribute], bytes):
3302
 
                                value[attribute] = (value[attribute]
3303
 
                                                    .decode("utf-8"))
 
3260
                        if isinstance(value["host"], bytes):
 
3261
                            value["host"] = (value["host"]
 
3262
                                             .decode("utf-8"))
3304
3263
            os.remove(stored_state_path)
3305
3264
        except IOError as e:
3306
3265
            if e.errno == errno.ENOENT:
3631
3590
                sys.exit(1)
3632
3591
            # End of Avahi example code
3633
3592
 
3634
 
        GLib.io_add_watch(
3635
 
            GLib.IOChannel.unix_new(tcp_server.fileno()),
3636
 
            GLib.PRIORITY_DEFAULT, GLib.IO_IN,
3637
 
            lambda *args, **kwargs: (tcp_server.handle_request
3638
 
                                     (*args[2:], **kwargs) or True))
 
3593
        GLib.io_add_watch(tcp_server.fileno(), GLib.IO_IN,
 
3594
                          lambda *args, **kwargs:
 
3595
                          (tcp_server.handle_request
 
3596
                           (*args[2:], **kwargs) or True))
3639
3597
 
3640
3598
        logger.debug("Starting main loop")
3641
3599
        main_loop.run()
3651
3609
    # Must run before the D-Bus bus name gets deregistered
3652
3610
    cleanup()
3653
3611
 
3654
 
 
3655
 
def should_only_run_tests():
3656
 
    parser = argparse.ArgumentParser(add_help=False)
3657
 
    parser.add_argument("--check", action='store_true')
3658
 
    args, unknown_args = parser.parse_known_args()
3659
 
    run_tests = args.check
3660
 
    if run_tests:
3661
 
        # Remove --check argument from sys.argv
3662
 
        sys.argv[1:] = unknown_args
3663
 
    return run_tests
3664
 
 
3665
 
# Add all tests from doctest strings
3666
 
def load_tests(loader, tests, none):
3667
 
    import doctest
3668
 
    tests.addTests(doctest.DocTestSuite())
3669
 
    return tests
3670
3612
 
3671
3613
if __name__ == '__main__':
3672
 
    try:
3673
 
        if should_only_run_tests():
3674
 
            # Call using ./mandos --check [--verbose]
3675
 
            unittest.main()
3676
 
        else:
3677
 
            main()
3678
 
    finally:
3679
 
        logging.shutdown()
 
3614
    main()