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  • Committer: Teddy Hogeborn
  • Date: 2012-05-03 20:16:22 UTC
  • Revision ID: teddy@recompile.se-20120503201622-d9yezi9t17i00lio
* mandos-ctl: Use new string format method.  Bug fix: --version now
              shows the program name.

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mandos-ctl
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# 
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# Mandos Monitor - Control and monitor the Mandos server
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# 
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# Copyright © 2008-2014 Teddy Hogeborn
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# Copyright © 2008-2014 Björn Påhlsson
 
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# Copyright © 2008-2012 Teddy Hogeborn
 
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# Copyright © 2008-2012 Björn Påhlsson
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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#     GNU General Public License for more details.
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# 
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see
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# <http://www.gnu.org/licenses/>.
 
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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# 
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# Contact the authors at <mandos@recompile.se>.
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# 
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from __future__ import (division, absolute_import, print_function,
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                        unicode_literals)
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29
 
from future_builtins import *
30
 
 
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import sys
 
29
import dbus
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import argparse
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import locale
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import datetime
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import re
36
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import os
37
 
import collections
38
 
import doctest
39
 
 
40
 
import dbus
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42
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locale.setlocale(locale.LC_ALL, "")
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66
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server_path = "/"
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server_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
69
 
version = "1.6.6"
 
63
version = "1.5.3"
70
64
 
71
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def timedelta_to_milliseconds(td):
72
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    """Convert a datetime.timedelta object to milliseconds"""
83
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                    seconds = td.seconds % 60,
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                    ))
85
79
 
86
 
 
87
 
def rfc3339_duration_to_delta(duration):
88
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
89
 
    
90
 
    >>> rfc3339_duration_to_delta("P7D")
91
 
    datetime.timedelta(7)
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")
97
 
    datetime.timedelta(1)
98
 
    >>> rfc3339_duration_to_delta("P1W")
99
 
    datetime.timedelta(7)
100
 
    >>> rfc3339_duration_to_delta("PT5M30S")
101
 
    datetime.timedelta(0, 330)
102
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
103
 
    datetime.timedelta(1, 200)
104
 
    """
105
 
    
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.
112
 
    
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"
118
 
                                              # containing digits
119
 
                                    "value",  # datetime.timedelta or
120
 
                                              # None
121
 
                                    "followers")) # Tokens valid after
122
 
                                                  # this token
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"),
136
 
                       None,
137
 
                       frozenset((token_hour, token_minute,
138
 
                                  token_second)))
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,
154
 
                                      token_week))),
155
 
    # Define starting values
156
 
    value = datetime.timedelta() # Value so far
157
 
    found_token = None
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:
166
 
                # Token found
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)
174
 
                # Go to found token
175
 
                found_token = token
176
 
                # Set valid next tokens
177
 
                followers = found_token.followers
178
 
                break
179
 
        else:
180
 
            # No currently valid tokens were found
181
 
            raise ValueError("Invalid RFC 3339 duration")
182
 
    # End token found
183
 
    return value
184
 
 
185
 
 
186
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def string_to_delta(interval):
187
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    """Parse a string and return a datetime.timedelta
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    >>> string_to_delta("5m 30s")
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    datetime.timedelta(0, 330)
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    """
202
 
    
203
 
    try:
204
 
        return rfc3339_duration_to_delta(interval)
205
 
    except ValueError:
206
 
        pass
207
 
    
208
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    value = datetime.timedelta(0)
209
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
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    regexp = re.compile("(\d+)([dsmhw]?)")
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    for num, suffix in regexp.findall(interval):
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        if suffix == "d":
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        if type(value) is dbus.Boolean:
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            return "Yes" if value else "No"
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        if keyword in ("Timeout", "Interval", "ApprovalDelay",
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                       "ApprovalDuration", "ExtendedTimeout"):
 
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                       "ApprovalDuration"):
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            return milliseconds_to_string(value)
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        return unicode(value)
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                        help="Approve any current client request")
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    parser.add_argument("-D", "--deny", action="store_true",
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                        help="Deny any current client request")
319
 
    parser.add_argument("--check", action="store_true",
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                        help="Run self-test")
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    parser.add_argument("client", nargs="*", help="Client name")
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    options = parser.parse_args()
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209
    
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    if has_actions(options) and not (options.client or options.all):
 
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    if has_actions(options) and not options.client and not options.all:
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        parser.error("Options require clients names or --all.")
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    if options.verbose and has_actions(options):
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        parser.error("--verbose can only be used alone or with"
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                     " --all.")
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    if options.all and not has_actions(options):
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        parser.error("--all requires an action.")
331
 
 
332
 
    if options.check:
333
 
        fail_count, test_count = doctest.testmod()
334
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
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    try:
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        bus = dbus.SystemBus()
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    else:
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        # Process each client in the list by all selected options
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        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,
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                           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)))
410
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            if options.remove:
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                mandos_serv.RemoveClient(client.__dbus_object_path__)
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            if options.enable:
413
 
                set_client_prop("Enabled", dbus.Boolean(True))
 
285
                client.Enable(dbus_interface=client_interface)
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286
            if options.disable:
415
 
                set_client_prop("Enabled", dbus.Boolean(False))
 
287
                client.Disable(dbus_interface=client_interface)
416
288
            if options.bump_timeout:
417
 
                set_client_prop("LastCheckedOK", "")
 
289
                client.CheckedOK(dbus_interface=client_interface)
418
290
            if options.start_checker:
419
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
291
                client.StartChecker(dbus_interface=client_interface)
420
292
            if options.stop_checker:
421
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
293
                client.StopChecker(dbus_interface=client_interface)
422
294
            if options.is_enabled:
423
295
                sys.exit(0 if client.Get(client_interface,
424
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                                         "Enabled",
426
298
                                         dbus.PROPERTIES_IFACE)
427
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                         else 1)
428
300
            if options.checker is not None:
429
 
                set_client_prop("Checker", options.checker)
 
301
                client.Set(client_interface, "Checker",
 
302
                           options.checker,
 
303
                           dbus_interface=dbus.PROPERTIES_IFACE)
430
304
            if options.host is not None:
431
 
                set_client_prop("Host", options.host)
 
305
                client.Set(client_interface, "Host", options.host,
 
306
                           dbus_interface=dbus.PROPERTIES_IFACE)
432
307
            if options.interval is not None:
433
 
                set_client_prop_ms("Interval", options.interval)
 
308
                client.Set(client_interface, "Interval",
 
309
                           timedelta_to_milliseconds
 
310
                           (string_to_delta(options.interval)),
 
311
                           dbus_interface=dbus.PROPERTIES_IFACE)
434
312
            if options.approval_delay is not None:
435
 
                set_client_prop_ms("ApprovalDelay",
436
 
                                   options.approval_delay)
 
313
                client.Set(client_interface, "ApprovalDelay",
 
314
                           timedelta_to_milliseconds
 
315
                           (string_to_delta(options.
 
316
                                            approval_delay)),
 
317
                           dbus_interface=dbus.PROPERTIES_IFACE)
437
318
            if options.approval_duration is not None:
438
 
                set_client_prop_ms("ApprovalDuration",
439
 
                                   options.approval_duration)
 
319
                client.Set(client_interface, "ApprovalDuration",
 
320
                           timedelta_to_milliseconds
 
321
                           (string_to_delta(options.
 
322
                                            approval_duration)),
 
323
                           dbus_interface=dbus.PROPERTIES_IFACE)
440
324
            if options.timeout is not None:
441
 
                set_client_prop_ms("Timeout", options.timeout)
 
325
                client.Set(client_interface, "Timeout",
 
326
                           timedelta_to_milliseconds
 
327
                           (string_to_delta(options.timeout)),
 
328
                           dbus_interface=dbus.PROPERTIES_IFACE)
442
329
            if options.extended_timeout is not None:
443
 
                set_client_prop_ms("ExtendedTimeout",
444
 
                                   options.extended_timeout)
 
330
                client.Set(client_interface, "ExtendedTimeout",
 
331
                           timedelta_to_milliseconds
 
332
                           (string_to_delta(options.extended_timeout)),
 
333
                           dbus_interface=dbus.PROPERTIES_IFACE)
445
334
            if options.secret is not None:
446
 
                set_client_prop("Secret",
447
 
                                dbus.ByteArray(options.secret.read()))
 
335
                client.Set(client_interface, "Secret",
 
336
                           dbus.ByteArray(options.secret.read()),
 
337
                           dbus_interface=dbus.PROPERTIES_IFACE)
448
338
            if options.approved_by_default is not None:
449
 
                set_client_prop("ApprovedByDefault",
450
 
                                dbus.Boolean(options
451
 
                                             .approved_by_default))
 
339
                client.Set(client_interface, "ApprovedByDefault",
 
340
                           dbus.Boolean(options
 
341
                                        .approved_by_default),
 
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
452
343
            if options.approve:
453
344
                client.Approve(dbus.Boolean(True),
454
345
                               dbus_interface=client_interface)