66
52
    "ApprovalDelay": "Approval Delay",
 
67
53
    "ApprovalDuration": "Approval Duration",
 
68
54
    "Checker": "Checker",
 
69
 
    "ExtendedTimeout": "Extended Timeout",
 
71
 
    "LastCheckerStatus": "Last Checker Status",
 
 
55
    "ExtendedTimeout" : "Extended Timeout"
 
73
57
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
74
 
domain = "se.recompile"
 
 
58
domain = "se.bsnet.fukt"
 
75
59
busname = domain + ".Mandos"
 
77
61
server_interface = domain + ".Mandos"
 
78
62
client_interface = domain + ".Mandos.Client"
 
83
 
    dbus.OBJECT_MANAGER_IFACE
 
84
 
except AttributeError:
 
85
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
 
65
def timedelta_to_milliseconds(td):
 
 
66
    """Convert a datetime.timedelta object to milliseconds"""
 
 
67
    return ((td.days * 24 * 60 * 60 * 1000)
 
 
69
            + (td.microseconds // 1000))
 
88
71
def milliseconds_to_string(ms):
 
89
72
    td = datetime.timedelta(0, 0, 0, ms)
 
90
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
91
 
            .format(days="{}T".format(td.days) if td.days else "",
 
92
 
                    hours=td.seconds // 3600,
 
93
 
                    minutes=(td.seconds % 3600) // 60,
 
94
 
                    seconds=td.seconds % 60))
 
97
 
def rfc3339_duration_to_delta(duration):
 
98
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
100
 
    >>> rfc3339_duration_to_delta("P7D")
 
101
 
    datetime.timedelta(7)
 
102
 
    >>> rfc3339_duration_to_delta("PT60S")
 
103
 
    datetime.timedelta(0, 60)
 
104
 
    >>> rfc3339_duration_to_delta("PT60M")
 
105
 
    datetime.timedelta(0, 3600)
 
106
 
    >>> rfc3339_duration_to_delta("PT24H")
 
107
 
    datetime.timedelta(1)
 
108
 
    >>> rfc3339_duration_to_delta("P1W")
 
109
 
    datetime.timedelta(7)
 
110
 
    >>> rfc3339_duration_to_delta("PT5M30S")
 
111
 
    datetime.timedelta(0, 330)
 
112
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
113
 
    datetime.timedelta(1, 200)
 
116
 
    # Parsing an RFC 3339 duration with regular expressions is not
 
117
 
    # possible - there would have to be multiple places for the same
 
118
 
    # values, like seconds.  The current code, while more esoteric, is
 
119
 
    # cleaner without depending on a parsing library.  If Python had a
 
120
 
    # built-in library for parsing we would use it, but we'd like to
 
121
 
    # avoid excessive use of external libraries.
 
123
 
    # New type for defining tokens, syntax, and semantics all-in-one
 
124
 
    Token = collections.namedtuple("Token", (
 
125
 
        "regexp",  # To match token; if "value" is not None, must have
 
126
 
                   # a "group" containing digits
 
127
 
        "value",   # datetime.timedelta or None
 
128
 
        "followers"))           # Tokens valid after this token
 
129
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
130
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
131
 
    token_end = Token(re.compile(r"$"), None, frozenset())
 
132
 
    token_second = Token(re.compile(r"(\d+)S"),
 
133
 
                         datetime.timedelta(seconds=1),
 
134
 
                         frozenset((token_end, )))
 
135
 
    token_minute = Token(re.compile(r"(\d+)M"),
 
136
 
                         datetime.timedelta(minutes=1),
 
137
 
                         frozenset((token_second, token_end)))
 
138
 
    token_hour = Token(re.compile(r"(\d+)H"),
 
139
 
                       datetime.timedelta(hours=1),
 
140
 
                       frozenset((token_minute, token_end)))
 
141
 
    token_time = Token(re.compile(r"T"),
 
143
 
                       frozenset((token_hour, token_minute,
 
145
 
    token_day = Token(re.compile(r"(\d+)D"),
 
146
 
                      datetime.timedelta(days=1),
 
147
 
                      frozenset((token_time, token_end)))
 
148
 
    token_month = Token(re.compile(r"(\d+)M"),
 
149
 
                        datetime.timedelta(weeks=4),
 
150
 
                        frozenset((token_day, token_end)))
 
151
 
    token_year = Token(re.compile(r"(\d+)Y"),
 
152
 
                       datetime.timedelta(weeks=52),
 
153
 
                       frozenset((token_month, token_end)))
 
154
 
    token_week = Token(re.compile(r"(\d+)W"),
 
155
 
                       datetime.timedelta(weeks=1),
 
156
 
                       frozenset((token_end, )))
 
157
 
    token_duration = Token(re.compile(r"P"), None,
 
158
 
                           frozenset((token_year, token_month,
 
159
 
                                      token_day, token_time,
 
161
 
    # Define starting values:
 
163
 
    value = datetime.timedelta()
 
165
 
    # Following valid tokens
 
166
 
    followers = frozenset((token_duration, ))
 
167
 
    # String left to parse
 
169
 
    # Loop until end token is found
 
170
 
    while found_token is not token_end:
 
171
 
        # Search for any currently valid tokens
 
172
 
        for token in followers:
 
173
 
            match = token.regexp.match(s)
 
174
 
            if match is not None:
 
176
 
                if token.value is not None:
 
177
 
                    # Value found, parse digits
 
178
 
                    factor = int(match.group(1), 10)
 
179
 
                    # Add to value so far
 
180
 
                    value += factor * token.value
 
181
 
                # Strip token from string
 
182
 
                s = token.regexp.sub("", s, 1)
 
185
 
                # Set valid next tokens
 
186
 
                followers = found_token.followers
 
189
 
            # No currently valid tokens were found
 
190
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
 
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,
 
196
80
def string_to_delta(interval):
 
197
81
    """Parse a string and return a datetime.timedelta
 
199
 
    >>> string_to_delta('7d')
 
 
83
    >>> string_to_delta("7d")
 
200
84
    datetime.timedelta(7)
 
201
 
    >>> string_to_delta('60s')
 
 
85
    >>> string_to_delta("60s")
 
202
86
    datetime.timedelta(0, 60)
 
203
 
    >>> string_to_delta('60m')
 
 
87
    >>> string_to_delta("60m")
 
204
88
    datetime.timedelta(0, 3600)
 
205
 
    >>> string_to_delta('24h')
 
 
89
    >>> string_to_delta("24h")
 
206
90
    datetime.timedelta(1)
 
207
 
    >>> string_to_delta('1w')
 
 
91
    >>> string_to_delta("1w")
 
208
92
    datetime.timedelta(7)
 
209
 
    >>> string_to_delta('5m 30s')
 
 
93
    >>> string_to_delta("5m 30s")
 
210
94
    datetime.timedelta(0, 330)
 
214
 
        return rfc3339_duration_to_delta(interval)
 
218
 
    value = datetime.timedelta(0)
 
219
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
221
 
    for num, suffix in regexp.findall(interval):
 
223
 
            value += datetime.timedelta(int(num))
 
225
 
            value += datetime.timedelta(0, int(num))
 
227
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
229
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
231
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
233
 
            value += datetime.timedelta(0, 0, 0, int(num))
 
 
96
    timevalue = datetime.timedelta(0)
 
 
97
    regexp = re.compile("\d+[dsmhw]")
 
 
99
    for s in regexp.findall(interval):
 
 
101
            suffix = unicode(s[-1])
 
 
104
                delta = datetime.timedelta(value)
 
 
106
                delta = datetime.timedelta(0, value)
 
 
108
                delta = datetime.timedelta(0, 0, 0, 0, value)
 
 
110
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
 
112
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
 
115
        except (ValueError, IndexError):
 
237
120
def print_clients(clients, keywords):
 
238
121
    def valuetostring(value, keyword):
 
239
122
        if type(value) is dbus.Boolean:
 
240
123
            return "Yes" if value else "No"
 
241
124
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
242
 
                       "ApprovalDuration", "ExtendedTimeout"):
 
243
126
            return milliseconds_to_string(value)
 
 
127
        return unicode(value)
 
246
129
    # Create format string to print table rows
 
247
 
    format_string = " ".join("{{{key}:{width}}}".format(
 
248
 
        width=max(len(tablewords[key]),
 
249
 
                  max(len(valuetostring(client[key], key))
 
250
 
                      for client in clients)),
 
 
130
    format_string = " ".join("%%-%ds" %
 
 
131
                             max(len(tablewords[key]),
 
 
132
                                 max(len(valuetostring(client[key],
 
252
136
                             for key in keywords)
 
253
137
    # Print header line
 
254
 
    print(format_string.format(**tablewords))
 
 
138
    print(format_string % tuple(tablewords[key] for key in keywords))
 
255
139
    for client in clients:
 
257
 
              .format(**{key: valuetostring(client[key], key)
 
258
 
                         for key in keywords}))
 
 
140
        print(format_string % tuple(valuetostring(client[key], key)
 
 
141
                                    for key in keywords))
 
261
143
def has_actions(options):
 
262
144
    return any((options.enable,
 
 
323
202
    parser.add_argument("--approval-duration",
 
324
203
                        help="Set duration of one client approval")
 
325
204
    parser.add_argument("-H", "--host", help="Set host for client")
 
326
 
    parser.add_argument("-s", "--secret",
 
327
 
                        type=argparse.FileType(mode="rb"),
 
 
205
    parser.add_argument("-s", "--secret", type=file,
 
328
206
                        help="Set password blob (file) for client")
 
329
207
    parser.add_argument("-A", "--approve", action="store_true",
 
330
208
                        help="Approve any current client request")
 
331
209
    parser.add_argument("-D", "--deny", action="store_true",
 
332
210
                        help="Deny any current client request")
 
333
 
    parser.add_argument("--check", action="store_true",
 
334
 
                        help="Run self-test")
 
335
211
    parser.add_argument("client", nargs="*", help="Client name")
 
336
212
    options = parser.parse_args()
 
338
 
    if has_actions(options) and not (options.client or options.all):
 
 
214
    if has_actions(options) and not options.client and not options.all:
 
339
215
        parser.error("Options require clients names or --all.")
 
340
216
    if options.verbose and has_actions(options):
 
341
 
        parser.error("--verbose can only be used alone.")
 
342
 
    if options.dump_json and (options.verbose
 
343
 
                              or has_actions(options)):
 
344
 
        parser.error("--dump-json can only be used alone.")
 
 
217
        parser.error("--verbose can only be used alone or with"
 
345
219
    if options.all and not has_actions(options):
 
346
220
        parser.error("--all requires an action.")
 
350
 
        fail_count, test_count = doctest.testmod()
 
351
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
354
223
        bus = dbus.SystemBus()
 
355
224
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
356
225
    except dbus.exceptions.DBusException:
 
357
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
 
226
        print("Could not connect to Mandos server",
 
360
230
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
361
 
                                 dbus_interface=server_interface)
 
362
 
    mandos_serv_object_manager = dbus.Interface(
 
363
 
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
365
 
    # block stderr since dbus library prints to stderr
 
 
231
                                 dbus_interface = server_interface)
 
 
233
    #block stderr since dbus library prints to stderr
 
366
234
    null = os.open(os.path.devnull, os.O_RDWR)
 
367
235
    stderrcopy = os.dup(sys.stderr.fileno())
 
368
236
    os.dup2(null, sys.stderr.fileno())
 
372
 
            mandos_clients = {path: ifs_and_props[client_interface]
 
373
 
                              for path, ifs_and_props in
 
374
 
                              mandos_serv_object_manager
 
375
 
                              .GetManagedObjects().items()
 
376
 
                              if client_interface in ifs_and_props}
 
 
240
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
379
243
            os.dup2(stderrcopy, sys.stderr.fileno())
 
380
244
            os.close(stderrcopy)
 
381
 
    except dbus.exceptions.DBusException as e:
 
382
 
        print("Access denied: "
 
383
 
              "Accessing mandos server through D-Bus: {}".format(e),
 
 
245
    except dbus.exceptions.DBusException, e:
 
 
246
        print("Access denied: Accessing mandos server through dbus.",
 
387
250
    # Compile dict of (clients: properties) to process
 
390
253
    if options.all or not options.client:
 
391
 
        clients = {bus.get_object(busname, path): properties
 
392
 
                   for path, properties in mandos_clients.items()}
 
 
254
        clients = dict((bus.get_object(busname, path), properties)
 
 
255
                       for path, properties in
 
 
256
                       mandos_clients.iteritems())
 
394
258
        for name in options.client:
 
395
 
            for path, client in mandos_clients.items():
 
 
259
            for path, client in mandos_clients.iteritems():
 
396
260
                if client["Name"] == name:
 
397
261
                    client_objc = bus.get_object(busname, path)
 
398
262
                    clients[client_objc] = client
 
401
 
                print("Client not found on server: {!r}"
 
402
 
                      .format(name), file=sys.stderr)
 
 
265
                print("Client not found on server: %r" % name,
 
405
269
    if not has_actions(options) and clients:
 
406
 
        if options.verbose or options.dump_json:
 
407
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
408
 
                        "Created", "Interval", "Host", "KeyID",
 
409
 
                        "Fingerprint", "CheckerRunning",
 
 
271
            keywords = ("Name", "Enabled", "Timeout",
 
 
272
                        "LastCheckedOK", "Created", "Interval",
 
 
273
                        "Host", "Fingerprint", "CheckerRunning",
 
410
274
                        "LastEnabled", "ApprovalPending",
 
411
 
                        "ApprovedByDefault", "LastApprovalRequest",
 
412
 
                        "ApprovalDelay", "ApprovalDuration",
 
413
 
                        "Checker", "ExtendedTimeout", "Expires",
 
 
276
                        "LastApprovalRequest", "ApprovalDelay",
 
 
277
                        "ApprovalDuration", "Checker",
 
416
280
            keywords = defaultkeywords
 
418
 
        if options.dump_json:
 
419
 
            json.dump({client["Name"]: {key:
 
421
 
                                        if isinstance(client[key],
 
425
 
                       for client in clients.values()},
 
426
 
                      fp=sys.stdout, indent=4,
 
427
 
                      separators=(',', ': '))
 
430
 
            print_clients(clients.values(), keywords)
 
 
282
        print_clients(clients.values(), keywords)
 
432
284
        # Process each client in the list by all selected options
 
433
285
        for client in clients:
 
435
 
            def set_client_prop(prop, value):
 
436
 
                """Set a Client D-Bus property"""
 
437
 
                client.Set(client_interface, prop, value,
 
438
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
440
 
            def set_client_prop_ms(prop, value):
 
441
 
                """Set a Client D-Bus property, converted
 
442
 
                from a string to milliseconds."""
 
443
 
                set_client_prop(prop,
 
444
 
                                string_to_delta(value).total_seconds()
 
447
286
            if options.remove:
 
448
287
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
449
288
            if options.enable:
 
450
 
                set_client_prop("Enabled", dbus.Boolean(True))
 
 
289
                client.Enable(dbus_interface=client_interface)
 
451
290
            if options.disable:
 
452
 
                set_client_prop("Enabled", dbus.Boolean(False))
 
 
291
                client.Disable(dbus_interface=client_interface)
 
453
292
            if options.bump_timeout:
 
454
 
                set_client_prop("LastCheckedOK", "")
 
 
293
                client.CheckedOK(dbus_interface=client_interface)
 
455
294
            if options.start_checker:
 
456
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
 
295
                client.StartChecker(dbus_interface=client_interface)
 
457
296
            if options.stop_checker:
 
458
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
 
297
                client.StopChecker(dbus_interface=client_interface)
 
459
298
            if options.is_enabled:
 
460
 
                if client.Get(client_interface, "Enabled",
 
461
 
                              dbus_interface=dbus.PROPERTIES_IFACE):
 
465
 
            if options.checker is not None:
 
466
 
                set_client_prop("Checker", options.checker)
 
467
 
            if options.host is not None:
 
468
 
                set_client_prop("Host", options.host)
 
469
 
            if options.interval is not None:
 
470
 
                set_client_prop_ms("Interval", options.interval)
 
471
 
            if options.approval_delay is not None:
 
472
 
                set_client_prop_ms("ApprovalDelay",
 
473
 
                                   options.approval_delay)
 
474
 
            if options.approval_duration is not None:
 
475
 
                set_client_prop_ms("ApprovalDuration",
 
476
 
                                   options.approval_duration)
 
477
 
            if options.timeout is not None:
 
478
 
                set_client_prop_ms("Timeout", options.timeout)
 
479
 
            if options.extended_timeout is not None:
 
480
 
                set_client_prop_ms("ExtendedTimeout",
 
481
 
                                   options.extended_timeout)
 
482
 
            if options.secret is not None:
 
483
 
                set_client_prop("Secret",
 
484
 
                                dbus.ByteArray(options.secret.read()))
 
 
299
                sys.exit(0 if client.Get(client_interface,
 
 
302
                                         dbus.PROPERTIES_IFACE)
 
 
305
                client.Set(client_interface, "Checker",
 
 
307
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
309
                client.Set(client_interface, "Host", options.host,
 
 
310
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
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.
 
 
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.
 
 
327
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
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)
 
 
339
                client.Set(client_interface, "Secret",
 
 
340
                           dbus.ByteArray(open(options.secret,
 
 
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
485
343
            if options.approved_by_default is not None:
 
486
 
                set_client_prop("ApprovedByDefault",
 
488
 
                                             .approved_by_default))
 
 
344
                client.Set(client_interface, "ApprovedByDefault",
 
 
346
                                        .approved_by_default),
 
 
347
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
489
348
            if options.approve:
 
490
349
                client.Approve(dbus.Boolean(True),
 
491
350
                               dbus_interface=client_interface)