77
70
def milliseconds_to_string(ms):
 
78
71
    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,
 
87
 
def rfc3339_duration_to_delta(duration):
 
88
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
90
 
    >>> rfc3339_duration_to_delta("P7D")
 
92
 
    >>> rfc3339_duration_to_delta("PT60S")
 
93
 
    datetime.timedelta(0, 60)
 
94
 
    >>> rfc3339_duration_to_delta("PT60M")
 
95
 
    datetime.timedelta(0, 3600)
 
96
 
    >>> rfc3339_duration_to_delta("PT24H")
 
98
 
    >>> rfc3339_duration_to_delta("P1W")
 
100
 
    >>> rfc3339_duration_to_delta("PT5M30S")
 
101
 
    datetime.timedelta(0, 330)
 
102
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
103
 
    datetime.timedelta(1, 200)
 
106
 
    # Parsing an RFC 3339 duration with regular expressions is not
 
107
 
    # possible - there would have to be multiple places for the same
 
108
 
    # values, like seconds.  The current code, while more esoteric, is
 
109
 
    # cleaner without depending on a parsing library.  If Python had a
 
110
 
    # built-in library for parsing we would use it, but we'd like to
 
111
 
    # avoid excessive use of external libraries.
 
113
 
    # 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
 
123
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
124
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
125
 
    token_end = Token(re.compile(r"$"), None, frozenset())
 
126
 
    token_second = Token(re.compile(r"(\d+)S"),
 
127
 
                         datetime.timedelta(seconds=1),
 
128
 
                         frozenset((token_end,)))
 
129
 
    token_minute = Token(re.compile(r"(\d+)M"),
 
130
 
                         datetime.timedelta(minutes=1),
 
131
 
                         frozenset((token_second, token_end)))
 
132
 
    token_hour = Token(re.compile(r"(\d+)H"),
 
133
 
                       datetime.timedelta(hours=1),
 
134
 
                       frozenset((token_minute, token_end)))
 
135
 
    token_time = Token(re.compile(r"T"),
 
137
 
                       frozenset((token_hour, token_minute,
 
139
 
    token_day = Token(re.compile(r"(\d+)D"),
 
140
 
                      datetime.timedelta(days=1),
 
141
 
                      frozenset((token_time, token_end)))
 
142
 
    token_month = Token(re.compile(r"(\d+)M"),
 
143
 
                        datetime.timedelta(weeks=4),
 
144
 
                        frozenset((token_day, token_end)))
 
145
 
    token_year = Token(re.compile(r"(\d+)Y"),
 
146
 
                       datetime.timedelta(weeks=52),
 
147
 
                       frozenset((token_month, token_end)))
 
148
 
    token_week = Token(re.compile(r"(\d+)W"),
 
149
 
                       datetime.timedelta(weeks=1),
 
150
 
                       frozenset((token_end,)))
 
151
 
    token_duration = Token(re.compile(r"P"), None,
 
152
 
                           frozenset((token_year, token_month,
 
153
 
                                      token_day, token_time,
 
155
 
    # Define starting values
 
156
 
    value = datetime.timedelta() # Value so far
 
158
 
    followers = frozenset(token_duration,) # Following valid tokens
 
159
 
    s = duration                # String left to parse
 
160
 
    # Loop until end token is found
 
161
 
    while found_token is not token_end:
 
162
 
        # Search for any currently valid tokens
 
163
 
        for token in followers:
 
164
 
            match = token.regexp.match(s)
 
165
 
            if match is not None:
 
167
 
                if token.value is not None:
 
168
 
                    # Value found, parse digits
 
169
 
                    factor = int(match.group(1), 10)
 
170
 
                    # Add to value so far
 
171
 
                    value += factor * token.value
 
172
 
                # Strip token from string
 
173
 
                s = token.regexp.sub("", s, 1)
 
176
 
                # Set valid next tokens
 
177
 
                followers = found_token.followers
 
180
 
            # No currently valid tokens were found
 
181
 
            raise ValueError("Invalid RFC 3339 duration")
 
 
72
    return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
 
 
73
            % { "days": "%dT" % td.days if td.days else "",
 
 
74
                "hours": td.seconds // 3600,
 
 
75
                "minutes": (td.seconds % 3600) // 60,
 
 
76
                "seconds": td.seconds % 60,
 
186
80
def string_to_delta(interval):
 
187
81
    """Parse a string and return a datetime.timedelta
 
189
83
    >>> string_to_delta("7d")
 
190
84
    datetime.timedelta(7)
 
191
85
    >>> string_to_delta("60s")
 
 
267
158
                options.secret is not None,
 
272
 
    parser = argparse.ArgumentParser()
 
273
 
    parser.add_argument("--version", action="version",
 
274
 
                        version = "%(prog)s {0}".format(version),
 
275
 
                        help="show version number and exit")
 
276
 
    parser.add_argument("-a", "--all", action="store_true",
 
277
 
                        help="Select all clients")
 
278
 
    parser.add_argument("-v", "--verbose", action="store_true",
 
279
 
                        help="Print all fields")
 
280
 
    parser.add_argument("-e", "--enable", action="store_true",
 
281
 
                        help="Enable client")
 
282
 
    parser.add_argument("-d", "--disable", action="store_true",
 
283
 
                        help="disable client")
 
284
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
285
 
                        help="Bump timeout for client")
 
286
 
    parser.add_argument("--start-checker", action="store_true",
 
287
 
                        help="Start checker for client")
 
288
 
    parser.add_argument("--stop-checker", action="store_true",
 
289
 
                        help="Stop checker for client")
 
290
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
291
 
                        help="Check if client is enabled")
 
292
 
    parser.add_argument("-r", "--remove", action="store_true",
 
293
 
                        help="Remove client")
 
294
 
    parser.add_argument("-c", "--checker",
 
295
 
                        help="Set checker command for client")
 
296
 
    parser.add_argument("-t", "--timeout",
 
297
 
                        help="Set timeout for client")
 
298
 
    parser.add_argument("--extended-timeout",
 
299
 
                        help="Set extended timeout for client")
 
300
 
    parser.add_argument("-i", "--interval",
 
301
 
                        help="Set checker interval for client")
 
302
 
    parser.add_argument("--approve-by-default", action="store_true",
 
303
 
                        default=None, dest="approved_by_default",
 
304
 
                        help="Set client to be approved by default")
 
305
 
    parser.add_argument("--deny-by-default", action="store_false",
 
306
 
                        dest="approved_by_default",
 
307
 
                        help="Set client to be denied by default")
 
308
 
    parser.add_argument("--approval-delay",
 
309
 
                        help="Set delay before client approve/deny")
 
310
 
    parser.add_argument("--approval-duration",
 
311
 
                        help="Set duration of one client approval")
 
312
 
    parser.add_argument("-H", "--host", help="Set host for client")
 
313
 
    parser.add_argument("-s", "--secret", type=file,
 
314
 
                        help="Set password blob (file) for client")
 
315
 
    parser.add_argument("-A", "--approve", action="store_true",
 
316
 
                        help="Approve any current client request")
 
317
 
    parser.add_argument("-D", "--deny", action="store_true",
 
318
 
                        help="Deny any current client request")
 
319
 
    parser.add_argument("--check", action="store_true",
 
320
 
                        help="Run self-test")
 
321
 
    parser.add_argument("client", nargs="*", help="Client name")
 
322
 
    options = parser.parse_args()
 
 
163
        parser = OptionParser(version = "%%prog %s" % version)
 
 
164
        parser.add_option("-a", "--all", action="store_true",
 
 
165
                          help="Select all clients")
 
 
166
        parser.add_option("-v", "--verbose", action="store_true",
 
 
167
                          help="Print all fields")
 
 
168
        parser.add_option("-e", "--enable", action="store_true",
 
 
169
                          help="Enable client")
 
 
170
        parser.add_option("-d", "--disable", action="store_true",
 
 
171
                          help="disable client")
 
 
172
        parser.add_option("-b", "--bump-timeout", action="store_true",
 
 
173
                          help="Bump timeout for client")
 
 
174
        parser.add_option("--start-checker", action="store_true",
 
 
175
                          help="Start checker for client")
 
 
176
        parser.add_option("--stop-checker", action="store_true",
 
 
177
                          help="Stop checker for client")
 
 
178
        parser.add_option("-V", "--is-enabled", action="store_true",
 
 
179
                          help="Check if client is enabled")
 
 
180
        parser.add_option("-r", "--remove", action="store_true",
 
 
181
                          help="Remove client")
 
 
182
        parser.add_option("-c", "--checker", type="string",
 
 
183
                          help="Set checker command for client")
 
 
184
        parser.add_option("-t", "--timeout", type="string",
 
 
185
                          help="Set timeout for client")
 
 
186
        parser.add_option("-i", "--interval", type="string",
 
 
187
                          help="Set checker interval for client")
 
 
188
        parser.add_option("--approve-by-default", action="store_true",
 
 
189
                          dest="approved_by_default",
 
 
190
                          help="Set client to be approved by default")
 
 
191
        parser.add_option("--deny-by-default", action="store_false",
 
 
192
                          dest="approved_by_default",
 
 
193
                          help="Set client to be denied by default")
 
 
194
        parser.add_option("--approval-delay", type="string",
 
 
195
                          help="Set delay before client approve/deny")
 
 
196
        parser.add_option("--approval-duration", type="string",
 
 
197
                          help="Set duration of one client approval")
 
 
198
        parser.add_option("-H", "--host", type="string",
 
 
199
                          help="Set host for client")
 
 
200
        parser.add_option("-s", "--secret", type="string",
 
 
201
                          help="Set password blob (file) for client")
 
 
202
        parser.add_option("-A", "--approve", action="store_true",
 
 
203
                          help="Approve any current client request")
 
 
204
        parser.add_option("-D", "--deny", action="store_true",
 
 
205
                          help="Deny any current client request")
 
 
206
        options, client_names = parser.parse_args()
 
 
208
        if has_actions(options) and not client_names and not options.all:
 
 
209
            parser.error("Options require clients names or --all.")
 
 
210
        if options.verbose and has_actions(options):
 
 
211
            parser.error("--verbose can only be used alone or with"
 
 
213
        if options.all and not has_actions(options):
 
 
214
            parser.error("--all requires an action.")
 
 
217
            bus = dbus.SystemBus()
 
 
218
            mandos_dbus_objc = bus.get_object(busname, server_path)
 
 
219
        except dbus.exceptions.DBusException:
 
 
220
            print("Could not connect to Mandos server",
 
324
 
    if has_actions(options) and not (options.client or options.all):
 
325
 
        parser.error("Options require clients names or --all.")
 
326
 
    if options.verbose and has_actions(options):
 
327
 
        parser.error("--verbose can only be used alone or with"
 
329
 
    if options.all and not has_actions(options):
 
330
 
        parser.error("--all requires an action.")
 
 
224
        mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
225
                                     dbus_interface = server_interface)
 
333
 
        fail_count, test_count = doctest.testmod()
 
334
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
337
 
        bus = dbus.SystemBus()
 
338
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
339
 
    except dbus.exceptions.DBusException:
 
340
 
        print("Could not connect to Mandos server",
 
344
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
345
 
                                 dbus_interface = server_interface)
 
347
 
    #block stderr since dbus library prints to stderr
 
348
 
    null = os.open(os.path.devnull, os.O_RDWR)
 
349
 
    stderrcopy = os.dup(sys.stderr.fileno())
 
350
 
    os.dup2(null, sys.stderr.fileno())
 
 
227
        #block stderr since dbus library prints to stderr
 
 
228
        null = os.open(os.path.devnull, os.O_RDWR)
 
 
229
        stderrcopy = os.dup(sys.stderr.fileno())
 
 
230
        os.dup2(null, sys.stderr.fileno())
 
354
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
357
 
            os.dup2(stderrcopy, sys.stderr.fileno())
 
359
 
    except dbus.exceptions.DBusException:
 
360
 
        print("Access denied: Accessing mandos server through dbus.",
 
364
 
    # Compile dict of (clients: properties) to process
 
367
 
    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())
 
372
 
        for name in options.client:
 
373
 
            for path, client in mandos_clients.iteritems():
 
374
 
                if client["Name"] == name:
 
375
 
                    client_objc = bus.get_object(busname, path)
 
376
 
                    clients[client_objc] = client
 
 
234
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
 
237
                os.dup2(stderrcopy, sys.stderr.fileno())
 
 
239
        except dbus.exceptions.DBusException, e:
 
 
240
            print("Access denied: Accessing mandos server through dbus.",
 
 
244
        # Compile dict of (clients: properties) to process
 
 
247
        if options.all or not client_names:
 
 
248
            clients = dict((bus.get_object(busname, path), properties)
 
 
249
                           for path, properties in
 
 
250
                           mandos_clients.iteritems())
 
 
252
            for name in client_names:
 
 
253
                for path, client in mandos_clients.iteritems():
 
 
254
                    if client["Name"] == name:
 
 
255
                        client_objc = bus.get_object(busname, path)
 
 
256
                        clients[client_objc] = client
 
 
259
                    print("Client not found on server: %r" % name,
 
 
263
        if not has_actions(options) and clients:
 
 
265
                keywords = ("Name", "Enabled", "Timeout",
 
 
266
                            "LastCheckedOK", "Created", "Interval",
 
 
267
                            "Host", "Fingerprint", "CheckerRunning",
 
 
268
                            "LastEnabled", "ApprovalPending",
 
 
270
                            "LastApprovalRequest", "ApprovalDelay",
 
 
271
                            "ApprovalDuration", "Checker")
 
379
 
                print("Client not found on server: {0!r}"
 
380
 
                      .format(name), file=sys.stderr)
 
383
 
    if not has_actions(options) and clients:
 
385
 
            keywords = ("Name", "Enabled", "Timeout",
 
386
 
                        "LastCheckedOK", "Created", "Interval",
 
387
 
                        "Host", "Fingerprint", "CheckerRunning",
 
388
 
                        "LastEnabled", "ApprovalPending",
 
390
 
                        "LastApprovalRequest", "ApprovalDelay",
 
391
 
                        "ApprovalDuration", "Checker",
 
 
273
                keywords = defaultkeywords
 
 
275
            print_clients(clients.values(), keywords)
 
394
 
            keywords = defaultkeywords
 
396
 
        print_clients(clients.values(), keywords)
 
398
 
        # Process each client in the list by all selected options
 
399
 
        for client in clients:
 
400
 
            def set_client_prop(prop, value):
 
401
 
                """Set a Client D-Bus property"""
 
402
 
                client.Set(client_interface, prop, value,
 
403
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
404
 
            def set_client_prop_ms(prop, value):
 
405
 
                """Set a Client D-Bus property, converted
 
406
 
                from a string to milliseconds."""
 
407
 
                set_client_prop(prop,
 
408
 
                                timedelta_to_milliseconds
 
409
 
                                (string_to_delta(value)))
 
411
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
413
 
                set_client_prop("Enabled", dbus.Boolean(True))
 
415
 
                set_client_prop("Enabled", dbus.Boolean(False))
 
416
 
            if options.bump_timeout:
 
417
 
                set_client_prop("LastCheckedOK", "")
 
418
 
            if options.start_checker:
 
419
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
420
 
            if options.stop_checker:
 
421
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
422
 
            if options.is_enabled:
 
423
 
                sys.exit(0 if client.Get(client_interface,
 
426
 
                                         dbus.PROPERTIES_IFACE)
 
428
 
            if options.checker is not None:
 
429
 
                set_client_prop("Checker", options.checker)
 
430
 
            if options.host is not None:
 
431
 
                set_client_prop("Host", options.host)
 
432
 
            if options.interval is not None:
 
433
 
                set_client_prop_ms("Interval", options.interval)
 
434
 
            if options.approval_delay is not None:
 
435
 
                set_client_prop_ms("ApprovalDelay",
 
436
 
                                   options.approval_delay)
 
437
 
            if options.approval_duration is not None:
 
438
 
                set_client_prop_ms("ApprovalDuration",
 
439
 
                                   options.approval_duration)
 
440
 
            if options.timeout is not None:
 
441
 
                set_client_prop_ms("Timeout", options.timeout)
 
442
 
            if options.extended_timeout is not None:
 
443
 
                set_client_prop_ms("ExtendedTimeout",
 
444
 
                                   options.extended_timeout)
 
445
 
            if options.secret is not None:
 
446
 
                set_client_prop("Secret",
 
447
 
                                dbus.ByteArray(options.secret.read()))
 
448
 
            if options.approved_by_default is not None:
 
449
 
                set_client_prop("ApprovedByDefault",
 
451
 
                                             .approved_by_default))
 
453
 
                client.Approve(dbus.Boolean(True),
 
454
 
                               dbus_interface=client_interface)
 
456
 
                client.Approve(dbus.Boolean(False),
 
457
 
                               dbus_interface=client_interface)
 
 
277
            # Process each client in the list by all selected options
 
 
278
            for client in clients:
 
 
280
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
 
 
282
                    client.Enable(dbus_interface=client_interface)
 
 
284
                    client.Disable(dbus_interface=client_interface)
 
 
285
                if options.bump_timeout:
 
 
286
                    client.CheckedOK(dbus_interface=client_interface)
 
 
287
                if options.start_checker:
 
 
288
                    client.StartChecker(dbus_interface=client_interface)
 
 
289
                if options.stop_checker:
 
 
290
                    client.StopChecker(dbus_interface=client_interface)
 
 
291
                if options.is_enabled:
 
 
292
                    sys.exit(0 if client.Get(client_interface,
 
 
294
                                             dbus_interface=dbus.PROPERTIES_IFACE)
 
 
297
                    client.Set(client_interface, "Checker", options.checker,
 
 
298
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
300
                    client.Set(client_interface, "Host", options.host,
 
 
301
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
303
                    client.Set(client_interface, "Interval",
 
 
304
                               timedelta_to_milliseconds
 
 
305
                               (string_to_delta(options.interval)),
 
 
306
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
307
                if options.approval_delay:
 
 
308
                    client.Set(client_interface, "ApprovalDelay",
 
 
309
                               timedelta_to_milliseconds
 
 
310
                               (string_to_delta(options.
 
 
312
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
313
                if options.approval_duration:
 
 
314
                    client.Set(client_interface, "ApprovalDuration",
 
 
315
                               timedelta_to_milliseconds
 
 
316
                               (string_to_delta(options.
 
 
318
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
320
                    client.Set(client_interface, "Timeout",
 
 
321
                               timedelta_to_milliseconds
 
 
322
                               (string_to_delta(options.timeout)),
 
 
323
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
325
                    client.Set(client_interface, "Secret",
 
 
326
                               dbus.ByteArray(open(options.secret,
 
 
328
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
329
                if options.approved_by_default is not None:
 
 
330
                    client.Set(client_interface, "ApprovedByDefault",
 
 
332
                                            .approved_by_default),
 
 
333
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
 
335
                    client.Approve(dbus.Boolean(True),
 
 
336
                                   dbus_interface=client_interface)
 
 
338
                    client.Approve(dbus.Boolean(False),
 
 
339
                                   dbus_interface=client_interface)
 
459
341
if __name__ == "__main__":