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")
 
79
186
def string_to_delta(interval):
 
80
187
    """Parse a string and return a datetime.timedelta
 
 
92
199
    >>> string_to_delta("5m 30s")
 
93
200
    datetime.timedelta(0, 330)
 
95
 
    timevalue = datetime.timedelta(0)
 
96
 
    regexp = re.compile("\d+[dsmhw]")
 
98
 
    for s in regexp.findall(interval):
 
100
 
            suffix = unicode(s[-1])
 
103
 
                delta = datetime.timedelta(value)
 
105
 
                delta = datetime.timedelta(0, value)
 
107
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
 
109
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
111
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
114
 
        except (ValueError, IndexError):
 
 
204
        return rfc3339_duration_to_delta(interval)
 
 
208
    value = datetime.timedelta(0)
 
 
209
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
 
211
    for num, suffix in regexp.findall(interval):
 
 
213
            value += datetime.timedelta(int(num))
 
 
215
            value += datetime.timedelta(0, int(num))
 
 
217
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
 
219
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
 
221
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
 
223
            value += datetime.timedelta(0, 0, 0, int(num))
 
119
226
def print_clients(clients, keywords):
 
120
227
    def valuetostring(value, keyword):
 
121
228
        if type(value) is dbus.Boolean:
 
122
229
            return "Yes" if value else "No"
 
123
230
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
 
231
                       "ApprovalDuration", "ExtendedTimeout"):
 
125
232
            return milliseconds_to_string(value)
 
126
233
        return unicode(value)
 
128
235
    # Create format string to print table rows
 
129
 
    format_string = " ".join("%%-%ds" %
 
130
 
                             max(len(tablewords[key]),
 
131
 
                                 max(len(valuetostring(client[key],
 
 
236
    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)
 
136
243
    # Print header line
 
137
 
    print(format_string % tuple(tablewords[key] for key in keywords))
 
 
244
    print(format_string.format(**tablewords))
 
138
245
    for client in clients:
 
139
 
        print(format_string % tuple(valuetostring(client[key], key)
 
140
 
                                    for key in keywords))
 
 
246
        print(format_string.format(**dict((key,
 
 
247
                                           valuetostring(client[key],
 
 
249
                                          for key in keywords)))
 
142
251
def has_actions(options):
 
143
252
    return any((options.enable,
 
 
204
316
                        help="Approve any current client request")
 
205
317
    parser.add_argument("-D", "--deny", action="store_true",
 
206
318
                        help="Deny any current client request")
 
 
319
    parser.add_argument("--check", action="store_true",
 
 
320
                        help="Run self-test")
 
207
321
    parser.add_argument("client", nargs="*", help="Client name")
 
208
322
    options = parser.parse_args()
 
210
 
    if has_actions(options) and not options.client and not options.all:
 
 
324
    if has_actions(options) and not (options.client or options.all):
 
211
325
        parser.error("Options require clients names or --all.")
 
212
326
    if options.verbose and has_actions(options):
 
213
327
        parser.error("--verbose can only be used alone or with"
 
215
329
    if options.all and not has_actions(options):
 
216
330
        parser.error("--all requires an action.")
 
 
333
        fail_count, test_count = doctest.testmod()
 
 
334
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
219
337
        bus = dbus.SystemBus()
 
 
279
398
        # Process each client in the list by all selected options
 
280
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)))
 
281
410
            if options.remove:
 
282
411
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
283
412
            if options.enable:
 
284
 
                client.Enable(dbus_interface=client_interface)
 
 
413
                set_client_prop("Enabled", dbus.Boolean(True))
 
285
414
            if options.disable:
 
286
 
                client.Disable(dbus_interface=client_interface)
 
 
415
                set_client_prop("Enabled", dbus.Boolean(False))
 
287
416
            if options.bump_timeout:
 
288
 
                client.CheckedOK(dbus_interface=client_interface)
 
 
417
                set_client_prop("LastCheckedOK", "")
 
289
418
            if options.start_checker:
 
290
 
                client.StartChecker(dbus_interface=client_interface)
 
 
419
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
291
420
            if options.stop_checker:
 
292
 
                client.StopChecker(dbus_interface=client_interface)
 
 
421
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
293
422
            if options.is_enabled:
 
294
423
                sys.exit(0 if client.Get(client_interface,
 
297
426
                                         dbus.PROPERTIES_IFACE)
 
300
 
                client.Set(client_interface, "Checker",
 
302
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
304
 
                client.Set(client_interface, "Host", options.host,
 
305
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
307
 
                client.Set(client_interface, "Interval",
 
308
 
                           timedelta_to_milliseconds
 
309
 
                           (string_to_delta(options.interval)),
 
310
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
311
 
            if options.approval_delay:
 
312
 
                client.Set(client_interface, "ApprovalDelay",
 
313
 
                           timedelta_to_milliseconds
 
314
 
                           (string_to_delta(options.
 
316
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
317
 
            if options.approval_duration:
 
318
 
                client.Set(client_interface, "ApprovalDuration",
 
319
 
                           timedelta_to_milliseconds
 
320
 
                           (string_to_delta(options.
 
322
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
324
 
                client.Set(client_interface, "Timeout",
 
325
 
                           timedelta_to_milliseconds
 
326
 
                           (string_to_delta(options.timeout)),
 
327
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
329
 
                client.Set(client_interface, "Secret",
 
330
 
                           dbus.ByteArray(open(options.secret,
 
332
 
                           dbus_interface=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()))
 
333
448
            if options.approved_by_default is not None:
 
334
 
                client.Set(client_interface, "ApprovedByDefault",
 
336
 
                                        .approved_by_default),
 
337
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
 
449
                set_client_prop("ApprovedByDefault",
 
 
451
                                             .approved_by_default))
 
338
452
            if options.approve:
 
339
453
                client.Approve(dbus.Boolean(True),
 
340
454
                               dbus_interface=client_interface)