64
58
    "ApprovalDelay": "Approval Delay",
 
65
59
    "ApprovalDuration": "Approval Duration",
 
66
60
    "Checker": "Checker",
 
67
 
    "ExtendedTimeout": "Extended Timeout"
 
 
61
    "ExtendedTimeout" : "Extended Timeout"
 
69
63
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
70
64
domain = "se.recompile"
 
71
65
busname = domain + ".Mandos"
 
73
67
server_interface = domain + ".Mandos"
 
74
68
client_interface = domain + ".Mandos.Client"
 
79
 
    dbus.OBJECT_MANAGER_IFACE
 
80
 
except AttributeError:
 
81
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
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))
 
83
77
def milliseconds_to_string(ms):
 
84
78
    td = datetime.timedelta(0, 0, 0, ms)
 
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))
 
 
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,
 
92
87
def rfc3339_duration_to_delta(duration):
 
 
116
111
    # avoid excessive use of external libraries.
 
118
113
    # 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
 
 
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
 
124
123
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
125
124
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
126
125
    token_end = Token(re.compile(r"$"), None, frozenset())
 
127
126
    token_second = Token(re.compile(r"(\d+)S"),
 
128
127
                         datetime.timedelta(seconds=1),
 
129
 
                         frozenset((token_end, )))
 
 
128
                         frozenset((token_end,)))
 
130
129
    token_minute = Token(re.compile(r"(\d+)M"),
 
131
130
                         datetime.timedelta(minutes=1),
 
132
131
                         frozenset((token_second, token_end)))
 
 
148
147
                       frozenset((token_month, token_end)))
 
149
148
    token_week = Token(re.compile(r"(\d+)W"),
 
150
149
                       datetime.timedelta(weeks=1),
 
151
 
                       frozenset((token_end, )))
 
 
150
                       frozenset((token_end,)))
 
152
151
    token_duration = Token(re.compile(r"P"), None,
 
153
152
                           frozenset((token_year, token_month,
 
154
153
                                      token_day, token_time,
 
156
155
    # Define starting values
 
157
156
    value = datetime.timedelta() # Value so far
 
158
157
    found_token = None
 
159
 
    followers = frozenset((token_duration, )) # Following valid tokens
 
 
158
    followers = frozenset(token_duration,) # Following valid tokens
 
160
159
    s = duration                # String left to parse
 
161
160
    # Loop until end token is found
 
162
161
    while found_token is not token_end:
 
 
188
186
def string_to_delta(interval):
 
189
187
    """Parse a string and return a datetime.timedelta
 
191
 
    >>> string_to_delta('7d')
 
 
189
    >>> string_to_delta("7d")
 
192
190
    datetime.timedelta(7)
 
193
 
    >>> string_to_delta('60s')
 
 
191
    >>> string_to_delta("60s")
 
194
192
    datetime.timedelta(0, 60)
 
195
 
    >>> string_to_delta('60m')
 
 
193
    >>> string_to_delta("60m")
 
196
194
    datetime.timedelta(0, 3600)
 
197
 
    >>> string_to_delta('24h')
 
 
195
    >>> string_to_delta("24h")
 
198
196
    datetime.timedelta(1)
 
199
 
    >>> string_to_delta('1w')
 
 
197
    >>> string_to_delta("1w")
 
200
198
    datetime.timedelta(7)
 
201
 
    >>> string_to_delta('5m 30s')
 
 
199
    >>> string_to_delta("5m 30s")
 
202
200
    datetime.timedelta(0, 330)
 
 
202
    value = datetime.timedelta(0)
 
 
203
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
206
206
        return rfc3339_duration_to_delta(interval)
 
207
207
    except ValueError:
 
210
 
    value = datetime.timedelta(0)
 
211
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
213
210
    for num, suffix in regexp.findall(interval):
 
214
211
        if suffix == "d":
 
215
212
            value += datetime.timedelta(int(num))
 
 
233
229
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
234
230
                       "ApprovalDuration", "ExtendedTimeout"):
 
235
231
            return milliseconds_to_string(value)
 
 
232
        return unicode(value)
 
238
234
    # Create format string to print table rows
 
239
235
    format_string = " ".join("{{{key}:{width}}}".format(
 
240
 
        width = max(len(tablewords[key]),
 
241
 
                    max(len(valuetostring(client[key], key))
 
242
 
                        for client in clients)),
 
 
236
            width = max(len(tablewords[key]),
 
 
237
                        max(len(valuetostring(client[key],
 
 
241
            key = key) for key in keywords)
 
245
242
    # Print header line
 
246
243
    print(format_string.format(**tablewords))
 
247
244
    for client in clients:
 
248
 
        print(format_string.format(**{
 
249
 
            key: valuetostring(client[key], key)
 
250
 
            for key in keywords }))
 
 
245
        print(format_string.format(**dict((key,
 
 
246
                                           valuetostring(client[key],
 
 
248
                                          for key in keywords)))
 
253
250
def has_actions(options):
 
254
251
    return any((options.enable,
 
 
275
271
    parser = argparse.ArgumentParser()
 
276
272
    parser.add_argument("--version", action="version",
 
277
 
                        version = "%(prog)s {}".format(version),
 
 
273
                        version = "%(prog)s {0}".format(version),
 
278
274
                        help="show version number and exit")
 
279
275
    parser.add_argument("-a", "--all", action="store_true",
 
280
276
                        help="Select all clients")
 
 
313
309
    parser.add_argument("--approval-duration",
 
314
310
                        help="Set duration of one client approval")
 
315
311
    parser.add_argument("-H", "--host", help="Set host for client")
 
316
 
    parser.add_argument("-s", "--secret",
 
317
 
                        type=argparse.FileType(mode="rb"),
 
 
312
    parser.add_argument("-s", "--secret", type=file,
 
318
313
                        help="Set password blob (file) for client")
 
319
314
    parser.add_argument("-A", "--approve", action="store_true",
 
320
315
                        help="Approve any current client request")
 
 
336
331
    if options.check:
 
337
332
        fail_count, test_count = doctest.testmod()
 
338
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
 
333
        sys.exit(0 if fail_count == 0 else 1)
 
341
336
        bus = dbus.SystemBus()
 
342
337
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
343
338
    except dbus.exceptions.DBusException:
 
344
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
 
339
        print("Could not connect to Mandos server",
 
347
343
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
348
344
                                 dbus_interface = server_interface)
 
349
 
    mandos_serv_object_manager = dbus.Interface(
 
350
 
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
 
352
346
    #block stderr since dbus library prints to stderr
 
353
347
    null = os.open(os.path.devnull, os.O_RDWR)
 
 
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 }
 
 
353
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
366
356
            os.dup2(stderrcopy, sys.stderr.fileno())
 
367
357
            os.close(stderrcopy)
 
368
 
    except dbus.exceptions.DBusException as e:
 
369
 
        print("Access denied: Accessing mandos server through D-Bus: {}"
 
370
 
              .format(e), file=sys.stderr)
 
 
358
    except dbus.exceptions.DBusException:
 
 
359
        print("Access denied: Accessing mandos server through dbus.",
 
373
363
    # Compile dict of (clients: properties) to process
 
376
366
    if options.all or not options.client:
 
377
 
        clients = { bus.get_object(busname, path): properties
 
378
 
                    for path, properties in mandos_clients.items() }
 
 
367
        clients = dict((bus.get_object(busname, path), properties)
 
 
368
                       for path, properties in
 
 
369
                       mandos_clients.iteritems())
 
380
371
        for name in options.client:
 
381
 
            for path, client in mandos_clients.items():
 
 
372
            for path, client in mandos_clients.iteritems():
 
382
373
                if client["Name"] == name:
 
383
374
                    client_objc = bus.get_object(busname, path)
 
384
375
                    clients[client_objc] = client
 
387
 
                print("Client not found on server: {!r}"
 
 
378
                print("Client not found on server: {0!r}"
 
388
379
                      .format(name), file=sys.stderr)
 
391
382
    if not has_actions(options) and clients:
 
392
383
        if options.verbose:
 
393
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
394
 
                        "Created", "Interval", "Host", "Fingerprint",
 
395
 
                        "CheckerRunning", "LastEnabled",
 
396
 
                        "ApprovalPending", "ApprovedByDefault",
 
 
384
            keywords = ("Name", "Enabled", "Timeout",
 
 
385
                        "LastCheckedOK", "Created", "Interval",
 
 
386
                        "Host", "Fingerprint", "CheckerRunning",
 
 
387
                        "LastEnabled", "ApprovalPending",
 
397
389
                        "LastApprovalRequest", "ApprovalDelay",
 
398
390
                        "ApprovalDuration", "Checker",
 
399
391
                        "ExtendedTimeout")
 
 
405
397
        # Process each client in the list by all selected options
 
406
398
        for client in clients:
 
408
399
            def set_client_prop(prop, value):
 
409
400
                """Set a Client D-Bus property"""
 
410
401
                client.Set(client_interface, prop, value,
 
411
402
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
413
403
            def set_client_prop_ms(prop, value):
 
414
404
                """Set a Client D-Bus property, converted
 
415
405
                from a string to milliseconds."""
 
416
406
                set_client_prop(prop,
 
417
 
                                string_to_delta(value).total_seconds()
 
 
407
                                timedelta_to_milliseconds
 
 
408
                                (string_to_delta(value)))
 
420
409
            if options.remove:
 
421
410
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
422
411
            if options.enable: