58
65
    "ApprovalDelay": "Approval Delay",
 
59
66
    "ApprovalDuration": "Approval Duration",
 
60
67
    "Checker": "Checker",
 
61
 
    "ExtendedTimeout" : "Extended Timeout"
 
 
68
    "ExtendedTimeout": "Extended Timeout"
 
63
70
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
64
71
domain = "se.recompile"
 
65
72
busname = domain + ".Mandos"
 
67
74
server_interface = domain + ".Mandos"
 
68
75
client_interface = domain + ".Mandos.Client"
 
71
 
def timedelta_to_milliseconds(td):
 
72
 
    """Convert a datetime.timedelta object to milliseconds"""
 
73
 
    return ((td.days * 24 * 60 * 60 * 1000)
 
75
 
            + (td.microseconds // 1000))
 
 
80
    dbus.OBJECT_MANAGER_IFACE
 
 
81
except AttributeError:
 
 
82
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
77
84
def milliseconds_to_string(ms):
 
78
85
    td = datetime.timedelta(0, 0, 0, ms)
 
79
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
80
 
            .format(days = "{0}T".format(td.days) if td.days else "",
 
81
 
                    hours = td.seconds // 3600,
 
82
 
                    minutes = (td.seconds % 3600) // 60,
 
83
 
                    seconds = td.seconds % 60,
 
 
86
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
 
 
87
        days = "{}T".format(td.days) if td.days else "",
 
 
88
        hours = td.seconds // 3600,
 
 
89
        minutes = (td.seconds % 3600) // 60,
 
 
90
        seconds = td.seconds % 60))
 
87
93
def rfc3339_duration_to_delta(duration):
 
 
111
117
    # avoid excessive use of external libraries.
 
113
119
    # New type for defining tokens, syntax, and semantics all-in-one
 
114
 
    Token = collections.namedtuple("Token",
 
115
 
                                   ("regexp", # To match token; if
 
116
 
                                              # "value" is not None,
 
117
 
                                              # must have a "group"
 
119
 
                                    "value",  # datetime.timedelta or
 
121
 
                                    "followers")) # Tokens valid after
 
 
120
    Token = collections.namedtuple("Token", (
 
 
121
        "regexp",  # To match token; if "value" is not None, must have
 
 
122
                   # a "group" containing digits
 
 
123
        "value",   # datetime.timedelta or None
 
 
124
        "followers"))           # Tokens valid after this token
 
123
125
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
124
126
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
125
127
    token_end = Token(re.compile(r"$"), None, frozenset())
 
126
128
    token_second = Token(re.compile(r"(\d+)S"),
 
127
129
                         datetime.timedelta(seconds=1),
 
128
 
                         frozenset((token_end,)))
 
 
130
                         frozenset((token_end, )))
 
129
131
    token_minute = Token(re.compile(r"(\d+)M"),
 
130
132
                         datetime.timedelta(minutes=1),
 
131
133
                         frozenset((token_second, token_end)))
 
 
147
149
                       frozenset((token_month, token_end)))
 
148
150
    token_week = Token(re.compile(r"(\d+)W"),
 
149
151
                       datetime.timedelta(weeks=1),
 
150
 
                       frozenset((token_end,)))
 
 
152
                       frozenset((token_end, )))
 
151
153
    token_duration = Token(re.compile(r"P"), None,
 
152
154
                           frozenset((token_year, token_month,
 
153
155
                                      token_day, token_time,
 
155
157
    # Define starting values
 
156
158
    value = datetime.timedelta() # Value so far
 
157
159
    found_token = None
 
158
 
    followers = frozenset(token_duration,) # Following valid tokens
 
 
160
    followers = frozenset((token_duration, )) # Following valid tokens
 
159
161
    s = duration                # String left to parse
 
160
162
    # Loop until end token is found
 
161
163
    while found_token is not token_end:
 
 
186
189
def string_to_delta(interval):
 
187
190
    """Parse a string and return a datetime.timedelta
 
189
 
    >>> string_to_delta("7d")
 
 
192
    >>> string_to_delta('7d')
 
190
193
    datetime.timedelta(7)
 
191
 
    >>> string_to_delta("60s")
 
 
194
    >>> string_to_delta('60s')
 
192
195
    datetime.timedelta(0, 60)
 
193
 
    >>> string_to_delta("60m")
 
 
196
    >>> string_to_delta('60m')
 
194
197
    datetime.timedelta(0, 3600)
 
195
 
    >>> string_to_delta("24h")
 
 
198
    >>> string_to_delta('24h')
 
196
199
    datetime.timedelta(1)
 
197
 
    >>> string_to_delta("1w")
 
 
200
    >>> string_to_delta('1w')
 
198
201
    datetime.timedelta(7)
 
199
 
    >>> string_to_delta("5m 30s")
 
 
202
    >>> string_to_delta('5m 30s')
 
200
203
    datetime.timedelta(0, 330)
 
 
230
234
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
231
235
                       "ApprovalDuration", "ExtendedTimeout"):
 
232
236
            return milliseconds_to_string(value)
 
233
 
        return unicode(value)
 
235
239
    # Create format string to print table rows
 
236
240
    format_string = " ".join("{{{key}:{width}}}".format(
 
237
 
            width = max(len(tablewords[key]),
 
238
 
                        max(len(valuetostring(client[key],
 
242
 
            key = key) for key in keywords)
 
 
241
        width = max(len(tablewords[key]),
 
 
242
                    max(len(valuetostring(client[key], key))
 
 
243
                        for client in clients)),
 
243
246
    # Print header line
 
244
247
    print(format_string.format(**tablewords))
 
245
248
    for client in clients:
 
246
 
        print(format_string.format(**dict((key,
 
247
 
                                           valuetostring(client[key],
 
249
 
                                          for key in keywords)))
 
 
249
        print(format_string.format(**{
 
 
250
            key: valuetostring(client[key], key)
 
 
251
            for key in keywords }))
 
251
254
def has_actions(options):
 
252
255
    return any((options.enable,
 
 
272
276
    parser = argparse.ArgumentParser()
 
273
277
    parser.add_argument("--version", action="version",
 
274
 
                        version = "%(prog)s {0}".format(version),
 
 
278
                        version = "%(prog)s {}".format(version),
 
275
279
                        help="show version number and exit")
 
276
280
    parser.add_argument("-a", "--all", action="store_true",
 
277
281
                        help="Select all clients")
 
278
282
    parser.add_argument("-v", "--verbose", action="store_true",
 
279
283
                        help="Print all fields")
 
 
284
    parser.add_argument("-j", "--dump-json", action="store_true",
 
 
285
                        help="Dump client data in JSON format")
 
280
286
    parser.add_argument("-e", "--enable", action="store_true",
 
281
287
                        help="Enable client")
 
282
288
    parser.add_argument("-d", "--disable", action="store_true",
 
 
310
316
    parser.add_argument("--approval-duration",
 
311
317
                        help="Set duration of one client approval")
 
312
318
    parser.add_argument("-H", "--host", help="Set host for client")
 
313
 
    parser.add_argument("-s", "--secret", type=file,
 
 
319
    parser.add_argument("-s", "--secret",
 
 
320
                        type=argparse.FileType(mode="rb"),
 
314
321
                        help="Set password blob (file) for client")
 
315
322
    parser.add_argument("-A", "--approve", action="store_true",
 
316
323
                        help="Approve any current client request")
 
 
337
345
        bus = dbus.SystemBus()
 
338
346
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
339
347
    except dbus.exceptions.DBusException:
 
340
 
        print("Could not connect to Mandos server",
 
 
348
        print("Could not connect to Mandos server", file=sys.stderr)
 
344
351
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
345
352
                                 dbus_interface = server_interface)
 
 
353
    mandos_serv_object_manager = dbus.Interface(
 
 
354
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
 
347
356
    #block stderr since dbus library prints to stderr
 
348
357
    null = os.open(os.path.devnull, os.O_RDWR)
 
 
354
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
 
363
            mandos_clients = { path: ifs_and_props[client_interface]
 
 
364
                               for path, ifs_and_props in
 
 
365
                               mandos_serv_object_manager
 
 
366
                               .GetManagedObjects().items()
 
 
367
                               if client_interface in ifs_and_props }
 
357
370
            os.dup2(stderrcopy, sys.stderr.fileno())
 
358
371
            os.close(stderrcopy)
 
359
 
    except dbus.exceptions.DBusException:
 
360
 
        print("Access denied: Accessing mandos server through dbus.",
 
 
372
    except dbus.exceptions.DBusException as e:
 
 
373
        print("Access denied: Accessing mandos server through D-Bus: {}"
 
 
374
              .format(e), file=sys.stderr)
 
364
377
    # Compile dict of (clients: properties) to process
 
367
380
    if options.all or not options.client:
 
368
 
        clients = dict((bus.get_object(busname, path), properties)
 
369
 
                       for path, properties in
 
370
 
                       mandos_clients.iteritems())
 
 
381
        clients = { bus.get_object(busname, path): properties
 
 
382
                    for path, properties in mandos_clients.items() }
 
372
384
        for name in options.client:
 
373
 
            for path, client in mandos_clients.iteritems():
 
 
385
            for path, client in mandos_clients.items():
 
374
386
                if client["Name"] == name:
 
375
387
                    client_objc = bus.get_object(busname, path)
 
376
388
                    clients[client_objc] = client
 
379
 
                print("Client not found on server: {0!r}"
 
 
391
                print("Client not found on server: {!r}"
 
380
392
                      .format(name), file=sys.stderr)
 
383
395
    if not has_actions(options) and clients:
 
385
 
            keywords = ("Name", "Enabled", "Timeout",
 
386
 
                        "LastCheckedOK", "Created", "Interval",
 
387
 
                        "Host", "Fingerprint", "CheckerRunning",
 
388
 
                        "LastEnabled", "ApprovalPending",
 
 
396
        if options.verbose or options.dump_json:
 
 
397
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
 
398
                        "Created", "Interval", "Host", "Fingerprint",
 
 
399
                        "CheckerRunning", "LastEnabled",
 
 
400
                        "ApprovalPending", "ApprovedByDefault",
 
390
401
                        "LastApprovalRequest", "ApprovalDelay",
 
391
402
                        "ApprovalDuration", "Checker",
 
392
403
                        "ExtendedTimeout")
 
394
405
            keywords = defaultkeywords
 
396
 
        print_clients(clients.values(), keywords)
 
 
407
        if options.dump_json:
 
 
408
            json.dump({client["Name"]: {key: client[key]
 
 
409
                                        for key in keywords }
 
 
410
                       for client in clients.values() },
 
 
411
                      fp = sys.stdout, indent = 4,
 
 
412
                      separators = (',', ': '))
 
 
415
            print_clients(clients.values(), keywords)
 
398
417
        # Process each client in the list by all selected options
 
399
418
        for client in clients:
 
400
420
            def set_client_prop(prop, value):
 
401
421
                """Set a Client D-Bus property"""
 
402
422
                client.Set(client_interface, prop, value,
 
403
423
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
404
425
            def set_client_prop_ms(prop, value):
 
405
426
                """Set a Client D-Bus property, converted
 
406
427
                from a string to milliseconds."""
 
407
428
                set_client_prop(prop,
 
408
 
                                timedelta_to_milliseconds
 
409
 
                                (string_to_delta(value)))
 
 
429
                                string_to_delta(value).total_seconds()
 
410
432
            if options.remove:
 
411
433
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
412
434
            if options.enable: