70
77
def milliseconds_to_string(ms):
 
71
78
    td = datetime.timedelta(0, 0, 0, ms)
 
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,
 
 
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")
 
80
186
def string_to_delta(interval):
 
81
187
    """Parse a string and return a datetime.timedelta
 
83
189
    >>> string_to_delta("7d")
 
84
190
    datetime.timedelta(7)
 
85
191
    >>> string_to_delta("60s")
 
 
158
267
                options.secret is not None,
 
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",
 
 
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()
 
224
 
        mandos_serv = dbus.Interface(mandos_dbus_objc,
 
225
 
                                     dbus_interface = server_interface)
 
 
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.")
 
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())
 
 
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())
 
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")
 
 
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
 
273
 
                keywords = defaultkeywords
 
275
 
            print_clients(clients.values(), keywords)
 
 
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",
 
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)
 
 
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)
 
341
459
if __name__ == "__main__":