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  • Committer: Teddy Hogeborn
  • Date: 2016-03-09 21:23:21 UTC
  • Revision ID: teddy@recompile.se-20160309212321-2qlkzj9tecepc8xq
Server: Add Python 3 compatibility

Add Python 3 compatibility by not using the python-avahi module.  Also
fix miscellaneous things which differs in Python 3.  Especially hard
to fix is loading and saving clients data between Python 3 and 2,
since pickle formats have problems with strings.

* INSTALL: Remove python-avahi (and change python-gobject to
  python-gi, which is preferred now).
* debian/control (Source: mandos/Build-Depends-Indep): Remove
  "python-avahi".
* mandos: Wrap future_builtins import in try-except clause.  Do not
  import avahi module.  Use codecs.decode(..., "base64) instead of
  .decode("base64).  Use .keys(), .values(), and .items() instead of
  .iterkeys(), .itervalues(), and .iteritems().
  (alternate_dbus_interfaces/wrapper): Python 3 still requires the
  "black magic", but luckily it still works.  The Python 3 type()
  constructor requires first argument to be a string, not a byte
  string.
  (copy_function): New.  Use throughout.
  (Avahi, avahi): New class and global variable.
  (GnuTLS._need_version): Changed to be a byte string.
  (main): Decode byte strings loaded from pickle file.
  (main/cleanup): Dump using pickle prototoc 2 which Python 2 can
  read.

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Lines of Context:
mandos-ctl
3
3
# 
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
# 
6
 
# Copyright © 2008-2010 Teddy Hogeborn
7
 
# Copyright © 2008-2010 Björn Påhlsson
 
6
# Copyright © 2008-2016 Teddy Hogeborn
 
7
# Copyright © 2008-2016 Björn Påhlsson
8
8
# 
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
17
17
#     GNU General Public License for more details.
18
18
# 
19
19
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
21
22
# 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
 
23
# Contact the authors at <mandos@recompile.se>.
23
24
# 
24
25
 
25
26
from __future__ import (division, absolute_import, print_function,
26
27
                        unicode_literals)
27
28
 
 
29
try:
 
30
    from future_builtins import *
 
31
except ImportError:
 
32
    pass
 
33
 
28
34
import sys
29
 
import dbus
30
35
import argparse
31
36
import locale
32
37
import datetime
33
38
import re
34
39
import os
 
40
import collections
 
41
import doctest
 
42
 
 
43
import dbus
 
44
 
 
45
if sys.version_info.major == 2:
 
46
    str = unicode
35
47
 
36
48
locale.setlocale(locale.LC_ALL, "")
37
49
 
52
64
    "ApprovalDelay": "Approval Delay",
53
65
    "ApprovalDuration": "Approval Duration",
54
66
    "Checker": "Checker",
55
 
    "ExtendedTimeout" : "Extended Timeout"
56
 
    }
 
67
    "ExtendedTimeout": "Extended Timeout"
 
68
}
57
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
70
domain = "se.recompile"
59
71
busname = domain + ".Mandos"
60
72
server_path = "/"
61
73
server_interface = domain + ".Mandos"
62
74
client_interface = domain + ".Mandos.Client"
63
 
version = "1.3.1"
64
 
 
65
 
def timedelta_to_milliseconds(td):
66
 
    """Convert a datetime.timedelta object to milliseconds"""
67
 
    return ((td.days * 24 * 60 * 60 * 1000)
68
 
            + (td.seconds * 1000)
69
 
            + (td.microseconds // 1000))
 
75
version = "1.7.5"
 
76
 
 
77
 
 
78
try:
 
79
    dbus.OBJECT_MANAGER_IFACE
 
80
except AttributeError:
 
81
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
70
82
 
71
83
def milliseconds_to_string(ms):
72
84
    td = datetime.timedelta(0, 0, 0, ms)
73
 
    return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
74
 
            % { "days": "%dT" % td.days if td.days else "",
75
 
                "hours": td.seconds // 3600,
76
 
                "minutes": (td.seconds % 3600) // 60,
77
 
                "seconds": td.seconds % 60,
78
 
                })
 
85
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
 
86
        days = "{}T".format(td.days) if td.days else "",
 
87
        hours = td.seconds // 3600,
 
88
        minutes = (td.seconds % 3600) // 60,
 
89
        seconds = td.seconds % 60))
 
90
 
 
91
 
 
92
def rfc3339_duration_to_delta(duration):
 
93
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
94
    
 
95
    >>> rfc3339_duration_to_delta("P7D")
 
96
    datetime.timedelta(7)
 
97
    >>> rfc3339_duration_to_delta("PT60S")
 
98
    datetime.timedelta(0, 60)
 
99
    >>> rfc3339_duration_to_delta("PT60M")
 
100
    datetime.timedelta(0, 3600)
 
101
    >>> rfc3339_duration_to_delta("PT24H")
 
102
    datetime.timedelta(1)
 
103
    >>> rfc3339_duration_to_delta("P1W")
 
104
    datetime.timedelta(7)
 
105
    >>> rfc3339_duration_to_delta("PT5M30S")
 
106
    datetime.timedelta(0, 330)
 
107
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
108
    datetime.timedelta(1, 200)
 
109
    """
 
110
    
 
111
    # Parsing an RFC 3339 duration with regular expressions is not
 
112
    # possible - there would have to be multiple places for the same
 
113
    # values, like seconds.  The current code, while more esoteric, is
 
114
    # cleaner without depending on a parsing library.  If Python had a
 
115
    # built-in library for parsing we would use it, but we'd like to
 
116
    # avoid excessive use of external libraries.
 
117
    
 
118
    # New type for defining tokens, syntax, and semantics all-in-one
 
119
    Token = collections.namedtuple("Token", (
 
120
        "regexp",  # To match token; if "value" is not None, must have
 
121
                   # a "group" containing digits
 
122
        "value",   # datetime.timedelta or None
 
123
        "followers"))           # Tokens valid after this token
 
124
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
125
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
126
    token_end = Token(re.compile(r"$"), None, frozenset())
 
127
    token_second = Token(re.compile(r"(\d+)S"),
 
128
                         datetime.timedelta(seconds=1),
 
129
                         frozenset((token_end, )))
 
130
    token_minute = Token(re.compile(r"(\d+)M"),
 
131
                         datetime.timedelta(minutes=1),
 
132
                         frozenset((token_second, token_end)))
 
133
    token_hour = Token(re.compile(r"(\d+)H"),
 
134
                       datetime.timedelta(hours=1),
 
135
                       frozenset((token_minute, token_end)))
 
136
    token_time = Token(re.compile(r"T"),
 
137
                       None,
 
138
                       frozenset((token_hour, token_minute,
 
139
                                  token_second)))
 
140
    token_day = Token(re.compile(r"(\d+)D"),
 
141
                      datetime.timedelta(days=1),
 
142
                      frozenset((token_time, token_end)))
 
143
    token_month = Token(re.compile(r"(\d+)M"),
 
144
                        datetime.timedelta(weeks=4),
 
145
                        frozenset((token_day, token_end)))
 
146
    token_year = Token(re.compile(r"(\d+)Y"),
 
147
                       datetime.timedelta(weeks=52),
 
148
                       frozenset((token_month, token_end)))
 
149
    token_week = Token(re.compile(r"(\d+)W"),
 
150
                       datetime.timedelta(weeks=1),
 
151
                       frozenset((token_end, )))
 
152
    token_duration = Token(re.compile(r"P"), None,
 
153
                           frozenset((token_year, token_month,
 
154
                                      token_day, token_time,
 
155
                                      token_week)))
 
156
    # Define starting values
 
157
    value = datetime.timedelta() # Value so far
 
158
    found_token = None
 
159
    followers = frozenset((token_duration, )) # Following valid tokens
 
160
    s = duration                # String left to parse
 
161
    # Loop until end token is found
 
162
    while found_token is not token_end:
 
163
        # Search for any currently valid tokens
 
164
        for token in followers:
 
165
            match = token.regexp.match(s)
 
166
            if match is not None:
 
167
                # Token found
 
168
                if token.value is not None:
 
169
                    # Value found, parse digits
 
170
                    factor = int(match.group(1), 10)
 
171
                    # Add to value so far
 
172
                    value += factor * token.value
 
173
                # Strip token from string
 
174
                s = token.regexp.sub("", s, 1)
 
175
                # Go to found token
 
176
                found_token = token
 
177
                # Set valid next tokens
 
178
                followers = found_token.followers
 
179
                break
 
180
        else:
 
181
            # No currently valid tokens were found
 
182
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
183
                             .format(duration))
 
184
    # End token found
 
185
    return value
 
186
 
79
187
 
80
188
def string_to_delta(interval):
81
189
    """Parse a string and return a datetime.timedelta
82
190
    
83
 
    >>> string_to_delta("7d")
 
191
    >>> string_to_delta('7d')
84
192
    datetime.timedelta(7)
85
 
    >>> string_to_delta("60s")
 
193
    >>> string_to_delta('60s')
86
194
    datetime.timedelta(0, 60)
87
 
    >>> string_to_delta("60m")
 
195
    >>> string_to_delta('60m')
88
196
    datetime.timedelta(0, 3600)
89
 
    >>> string_to_delta("24h")
 
197
    >>> string_to_delta('24h')
90
198
    datetime.timedelta(1)
91
 
    >>> string_to_delta("1w")
 
199
    >>> string_to_delta('1w')
92
200
    datetime.timedelta(7)
93
 
    >>> string_to_delta("5m 30s")
 
201
    >>> string_to_delta('5m 30s')
94
202
    datetime.timedelta(0, 330)
95
203
    """
96
 
    timevalue = datetime.timedelta(0)
97
 
    regexp = re.compile("\d+[dsmhw]")
98
 
    
99
 
    for s in regexp.findall(interval):
100
 
        try:
101
 
            suffix = unicode(s[-1])
102
 
            value = int(s[:-1])
103
 
            if suffix == "d":
104
 
                delta = datetime.timedelta(value)
105
 
            elif suffix == "s":
106
 
                delta = datetime.timedelta(0, value)
107
 
            elif suffix == "m":
108
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
109
 
            elif suffix == "h":
110
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
111
 
            elif suffix == "w":
112
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
113
 
            else:
114
 
                raise ValueError
115
 
        except (ValueError, IndexError):
116
 
            raise ValueError
117
 
        timevalue += delta
118
 
    return timevalue
 
204
    
 
205
    try:
 
206
        return rfc3339_duration_to_delta(interval)
 
207
    except ValueError:
 
208
        pass
 
209
    
 
210
    value = datetime.timedelta(0)
 
211
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
212
    
 
213
    for num, suffix in regexp.findall(interval):
 
214
        if suffix == "d":
 
215
            value += datetime.timedelta(int(num))
 
216
        elif suffix == "s":
 
217
            value += datetime.timedelta(0, int(num))
 
218
        elif suffix == "m":
 
219
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
220
        elif suffix == "h":
 
221
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
222
        elif suffix == "w":
 
223
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
224
        elif suffix == "":
 
225
            value += datetime.timedelta(0, 0, 0, int(num))
 
226
    return value
 
227
 
119
228
 
120
229
def print_clients(clients, keywords):
121
230
    def valuetostring(value, keyword):
122
231
        if type(value) is dbus.Boolean:
123
232
            return "Yes" if value else "No"
124
233
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
125
 
                       "ApprovalDuration"):
 
234
                       "ApprovalDuration", "ExtendedTimeout"):
126
235
            return milliseconds_to_string(value)
127
 
        return unicode(value)
 
236
        return str(value)
128
237
    
129
238
    # Create format string to print table rows
130
 
    format_string = " ".join("%%-%ds" %
131
 
                             max(len(tablewords[key]),
132
 
                                 max(len(valuetostring(client[key],
133
 
                                                       key))
134
 
                                     for client in
135
 
                                     clients))
 
239
    format_string = " ".join("{{{key}:{width}}}".format(
 
240
        width = max(len(tablewords[key]),
 
241
                    max(len(valuetostring(client[key], key))
 
242
                        for client in clients)),
 
243
        key = key)
136
244
                             for key in keywords)
137
245
    # Print header line
138
 
    print(format_string % tuple(tablewords[key] for key in keywords))
 
246
    print(format_string.format(**tablewords))
139
247
    for client in clients:
140
 
        print(format_string % tuple(valuetostring(client[key], key)
141
 
                                    for key in keywords))
 
248
        print(format_string.format(**{
 
249
            key: valuetostring(client[key], key)
 
250
            for key in keywords }))
 
251
 
142
252
 
143
253
def has_actions(options):
144
254
    return any((options.enable,
160
270
                options.approve,
161
271
                options.deny))
162
272
 
 
273
 
163
274
def main():
164
275
    parser = argparse.ArgumentParser()
165
276
    parser.add_argument("--version", action="version",
166
 
                        version = "%%prog %s" % version,
 
277
                        version = "%(prog)s {}".format(version),
167
278
                        help="show version number and exit")
168
279
    parser.add_argument("-a", "--all", action="store_true",
169
280
                        help="Select all clients")
202
313
    parser.add_argument("--approval-duration",
203
314
                        help="Set duration of one client approval")
204
315
    parser.add_argument("-H", "--host", help="Set host for client")
205
 
    parser.add_argument("-s", "--secret", type=file,
 
316
    parser.add_argument("-s", "--secret",
 
317
                        type=argparse.FileType(mode="rb"),
206
318
                        help="Set password blob (file) for client")
207
319
    parser.add_argument("-A", "--approve", action="store_true",
208
320
                        help="Approve any current client request")
209
321
    parser.add_argument("-D", "--deny", action="store_true",
210
322
                        help="Deny any current client request")
 
323
    parser.add_argument("--check", action="store_true",
 
324
                        help="Run self-test")
211
325
    parser.add_argument("client", nargs="*", help="Client name")
212
326
    options = parser.parse_args()
213
327
    
214
 
    if has_actions(options) and not options.client and not options.all:
 
328
    if has_actions(options) and not (options.client or options.all):
215
329
        parser.error("Options require clients names or --all.")
216
330
    if options.verbose and has_actions(options):
217
331
        parser.error("--verbose can only be used alone or with"
218
332
                     " --all.")
219
333
    if options.all and not has_actions(options):
220
334
        parser.error("--all requires an action.")
 
335
 
 
336
    if options.check:
 
337
        fail_count, test_count = doctest.testmod()
 
338
        sys.exit(os.EX_OK if fail_count == 0 else 1)
221
339
    
222
340
    try:
223
341
        bus = dbus.SystemBus()
224
342
        mandos_dbus_objc = bus.get_object(busname, server_path)
225
343
    except dbus.exceptions.DBusException:
226
 
        print("Could not connect to Mandos server",
227
 
              file=sys.stderr)
 
344
        print("Could not connect to Mandos server", file=sys.stderr)
228
345
        sys.exit(1)
229
346
    
230
347
    mandos_serv = dbus.Interface(mandos_dbus_objc,
231
348
                                 dbus_interface = server_interface)
 
349
    mandos_serv_object_manager = dbus.Interface(
 
350
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
232
351
    
233
352
    #block stderr since dbus library prints to stderr
234
353
    null = os.open(os.path.devnull, os.O_RDWR)
237
356
    os.close(null)
238
357
    try:
239
358
        try:
240
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
359
            mandos_clients = { path: ifs_and_props[client_interface]
 
360
                               for path, ifs_and_props in
 
361
                               mandos_serv_object_manager
 
362
                               .GetManagedObjects().items()
 
363
                               if client_interface in ifs_and_props }
241
364
        finally:
242
365
            #restore stderr
243
366
            os.dup2(stderrcopy, sys.stderr.fileno())
244
367
            os.close(stderrcopy)
245
 
    except dbus.exceptions.DBusException, e:
246
 
        print("Access denied: Accessing mandos server through dbus.",
247
 
              file=sys.stderr)
 
368
    except dbus.exceptions.DBusException as e:
 
369
        print("Access denied: Accessing mandos server through D-Bus: {}"
 
370
              .format(e), file=sys.stderr)
248
371
        sys.exit(1)
249
372
    
250
373
    # Compile dict of (clients: properties) to process
251
374
    clients={}
252
375
    
253
376
    if options.all or not options.client:
254
 
        clients = dict((bus.get_object(busname, path), properties)
255
 
                       for path, properties in
256
 
                       mandos_clients.iteritems())
 
377
        clients = { bus.get_object(busname, path): properties
 
378
                    for path, properties in mandos_clients.items() }
257
379
    else:
258
380
        for name in options.client:
259
 
            for path, client in mandos_clients.iteritems():
 
381
            for path, client in mandos_clients.items():
260
382
                if client["Name"] == name:
261
383
                    client_objc = bus.get_object(busname, path)
262
384
                    clients[client_objc] = client
263
385
                    break
264
386
            else:
265
 
                print("Client not found on server: %r" % name,
266
 
                      file=sys.stderr)
 
387
                print("Client not found on server: {!r}"
 
388
                      .format(name), file=sys.stderr)
267
389
                sys.exit(1)
268
390
    
269
391
    if not has_actions(options) and clients:
270
392
        if options.verbose:
271
 
            keywords = ("Name", "Enabled", "Timeout",
272
 
                        "LastCheckedOK", "Created", "Interval",
273
 
                        "Host", "Fingerprint", "CheckerRunning",
274
 
                        "LastEnabled", "ApprovalPending",
275
 
                        "ApprovedByDefault",
 
393
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
394
                        "Created", "Interval", "Host", "Fingerprint",
 
395
                        "CheckerRunning", "LastEnabled",
 
396
                        "ApprovalPending", "ApprovedByDefault",
276
397
                        "LastApprovalRequest", "ApprovalDelay",
277
398
                        "ApprovalDuration", "Checker",
278
399
                        "ExtendedTimeout")
283
404
    else:
284
405
        # Process each client in the list by all selected options
285
406
        for client in clients:
 
407
            
 
408
            def set_client_prop(prop, value):
 
409
                """Set a Client D-Bus property"""
 
410
                client.Set(client_interface, prop, value,
 
411
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
412
            
 
413
            def set_client_prop_ms(prop, value):
 
414
                """Set a Client D-Bus property, converted
 
415
                from a string to milliseconds."""
 
416
                set_client_prop(prop,
 
417
                                string_to_delta(value).total_seconds()
 
418
                                * 1000)
 
419
            
286
420
            if options.remove:
287
421
                mandos_serv.RemoveClient(client.__dbus_object_path__)
288
422
            if options.enable:
289
 
                client.Enable(dbus_interface=client_interface)
 
423
                set_client_prop("Enabled", dbus.Boolean(True))
290
424
            if options.disable:
291
 
                client.Disable(dbus_interface=client_interface)
 
425
                set_client_prop("Enabled", dbus.Boolean(False))
292
426
            if options.bump_timeout:
293
 
                client.CheckedOK(dbus_interface=client_interface)
 
427
                set_client_prop("LastCheckedOK", "")
294
428
            if options.start_checker:
295
 
                client.StartChecker(dbus_interface=client_interface)
 
429
                set_client_prop("CheckerRunning", dbus.Boolean(True))
296
430
            if options.stop_checker:
297
 
                client.StopChecker(dbus_interface=client_interface)
 
431
                set_client_prop("CheckerRunning", dbus.Boolean(False))
298
432
            if options.is_enabled:
299
433
                sys.exit(0 if client.Get(client_interface,
300
434
                                         "Enabled",
301
435
                                         dbus_interface=
302
436
                                         dbus.PROPERTIES_IFACE)
303
437
                         else 1)
304
 
            if options.checker:
305
 
                client.Set(client_interface, "Checker",
306
 
                           options.checker,
307
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
308
 
            if options.host:
309
 
                client.Set(client_interface, "Host", options.host,
310
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
311
 
            if options.interval:
312
 
                client.Set(client_interface, "Interval",
313
 
                           timedelta_to_milliseconds
314
 
                           (string_to_delta(options.interval)),
315
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
316
 
            if options.approval_delay:
317
 
                client.Set(client_interface, "ApprovalDelay",
318
 
                           timedelta_to_milliseconds
319
 
                           (string_to_delta(options.
320
 
                                            approval_delay)),
321
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
322
 
            if options.approval_duration:
323
 
                client.Set(client_interface, "ApprovalDuration",
324
 
                           timedelta_to_milliseconds
325
 
                           (string_to_delta(options.
326
 
                                            approval_duration)),
327
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
328
 
            if options.timeout:
329
 
                client.Set(client_interface, "Timeout",
330
 
                           timedelta_to_milliseconds
331
 
                           (string_to_delta(options.timeout)),
332
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
333
 
            if options.extended_timeout:
334
 
                client.Set(client_interface, "ExtendedTimeout",
335
 
                           timedelta_to_milliseconds
336
 
                           (string_to_delta(options.extended_timeout)),
337
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
338
 
            if options.secret:
339
 
                client.Set(client_interface, "Secret",
340
 
                           dbus.ByteArray(open(options.secret,
341
 
                                               "rb").read()),
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
438
            if options.checker is not None:
 
439
                set_client_prop("Checker", options.checker)
 
440
            if options.host is not None:
 
441
                set_client_prop("Host", options.host)
 
442
            if options.interval is not None:
 
443
                set_client_prop_ms("Interval", options.interval)
 
444
            if options.approval_delay is not None:
 
445
                set_client_prop_ms("ApprovalDelay",
 
446
                                   options.approval_delay)
 
447
            if options.approval_duration is not None:
 
448
                set_client_prop_ms("ApprovalDuration",
 
449
                                   options.approval_duration)
 
450
            if options.timeout is not None:
 
451
                set_client_prop_ms("Timeout", options.timeout)
 
452
            if options.extended_timeout is not None:
 
453
                set_client_prop_ms("ExtendedTimeout",
 
454
                                   options.extended_timeout)
 
455
            if options.secret is not None:
 
456
                set_client_prop("Secret",
 
457
                                dbus.ByteArray(options.secret.read()))
343
458
            if options.approved_by_default is not None:
344
 
                client.Set(client_interface, "ApprovedByDefault",
345
 
                           dbus.Boolean(options
346
 
                                        .approved_by_default),
347
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
459
                set_client_prop("ApprovedByDefault",
 
460
                                dbus.Boolean(options
 
461
                                             .approved_by_default))
348
462
            if options.approve:
349
463
                client.Approve(dbus.Boolean(True),
350
464
                               dbus_interface=client_interface)
352
466
                client.Approve(dbus.Boolean(False),
353
467
                               dbus_interface=client_interface)
354
468
 
 
469
 
355
470
if __name__ == "__main__":
356
471
    main()