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  • Committer: Teddy Hogeborn
  • Date: 2015-03-10 18:03:38 UTC
  • Revision ID: teddy@recompile.se-20150310180338-pcxw6r2qmw9k6br9
Add ":!RSA" to GnuTLS priority string, to disallow non-DHE kx.

If Mandos was somehow made to use a non-ephemeral Diffie-Hellman key
exchange algorithm in the TLS handshake, any saved network traffic
could then be decrypted later if the Mandos client key was obtained.
By default, Mandos uses ephemeral DH key exchanges which does not have
this problem, but a non-ephemeral key exchange algorithm was still
enabled by default.  The simplest solution is to simply turn that off,
which ensures that Mandos will always use ephemeral DH key exchanges.

There is a "PFS" priority string specifier, but we can't use it because:

1. Security-wise, it is a mix between "NORMAL" and "SECURE128" - it
   enables a lot more algorithms than "SECURE256".

2. It is only available since GnuTLS 3.2.4.

Thanks to Andreas Fischer <af@bantuX.org> for reporting this issue.

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mandos-ctl
1
1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
 
4
 
from __future__ import division
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2008-2014 Teddy Hogeborn
 
7
# Copyright © 2008-2014 Björn Påhlsson
 
8
# 
 
9
# This program is free software: you can redistribute it and/or modify
 
10
# it under the terms of the GNU General Public License as published by
 
11
# the Free Software Foundation, either version 3 of the License, or
 
12
# (at your option) any later version.
 
13
#
 
14
#     This program is distributed in the hope that it will be useful,
 
15
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
17
#     GNU General Public License for more details.
 
18
# 
 
19
# You should have received a copy of the GNU General Public License
 
20
# along with this program.  If not, see
 
21
# <http://www.gnu.org/licenses/>.
 
22
# 
 
23
# Contact the authors at <mandos@recompile.se>.
 
24
# 
 
25
 
 
26
from __future__ import (division, absolute_import, print_function,
 
27
                        unicode_literals)
 
28
 
 
29
try:
 
30
    from future_builtins import *
 
31
except ImportError:
 
32
    pass
 
33
 
5
34
import sys
6
 
import dbus
7
 
from optparse import OptionParser
 
35
import argparse
8
36
import locale
9
37
import datetime
10
38
import re
11
 
 
12
 
locale.setlocale(locale.LC_ALL, u'')
 
39
import os
 
40
import collections
 
41
import doctest
 
42
 
 
43
import dbus
 
44
 
 
45
if sys.version_info.major == 2:
 
46
    str = unicode
 
47
 
 
48
locale.setlocale(locale.LC_ALL, "")
13
49
 
14
50
tablewords = {
15
 
    'name': u'Name',
16
 
    'enabled': u'Enabled',
17
 
    'timeout': u'Timeout',
18
 
    'last_checked_ok': u'Last Successful Check',
19
 
    'created': u'Created',
20
 
    'interval': u'Interval',
21
 
    'host': u'Host',
22
 
    'fingerprint': u'Fingerprint',
23
 
    'checker_running': u'Check Is Running',
24
 
    'last_enabled': u'Last Enabled',
25
 
    'checker': u'Checker',
 
51
    "Name": "Name",
 
52
    "Enabled": "Enabled",
 
53
    "Timeout": "Timeout",
 
54
    "LastCheckedOK": "Last Successful Check",
 
55
    "LastApprovalRequest": "Last Approval Request",
 
56
    "Created": "Created",
 
57
    "Interval": "Interval",
 
58
    "Host": "Host",
 
59
    "Fingerprint": "Fingerprint",
 
60
    "CheckerRunning": "Check Is Running",
 
61
    "LastEnabled": "Last Enabled",
 
62
    "ApprovalPending": "Approval Is Pending",
 
63
    "ApprovedByDefault": "Approved By Default",
 
64
    "ApprovalDelay": "Approval Delay",
 
65
    "ApprovalDuration": "Approval Duration",
 
66
    "Checker": "Checker",
 
67
    "ExtendedTimeout" : "Extended Timeout"
26
68
    }
27
 
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
28
 
                   'checker')
29
 
domain = 'se.bsnet.fukt'
30
 
busname = domain + '.Mandos'
31
 
server_path = '/'
32
 
server_interface = domain + '.Mandos'
33
 
client_interface = domain + '.Mandos.Client'
34
 
version = "1.0.14"
35
 
bus = dbus.SystemBus()
36
 
mandos_dbus_objc = bus.get_object(busname, server_path)
37
 
mandos_serv = dbus.Interface(mandos_dbus_objc,
38
 
                             dbus_interface = server_interface)
39
 
mandos_clients = mandos_serv.GetAllClientsWithProperties()
40
 
 
41
 
def timedelta_to_milliseconds(td):
42
 
    "Convert a datetime.timedelta object to milliseconds"
43
 
    return ((td.days * 24 * 60 * 60 * 1000)
44
 
            + (td.seconds * 1000)
45
 
            + (td.microseconds // 1000))
 
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
70
domain = "se.recompile"
 
71
busname = domain + ".Mandos"
 
72
server_path = "/"
 
73
server_interface = domain + ".Mandos"
 
74
client_interface = domain + ".Mandos.Client"
 
75
version = "1.6.9"
46
76
 
47
77
def milliseconds_to_string(ms):
48
78
    td = datetime.timedelta(0, 0, 0, ms)
49
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
50
 
            % { "days": "%dT" % td.days if td.days else "",
51
 
                "hours": td.seconds // 3600,
52
 
                "minutes": (td.seconds % 3600) // 60,
53
 
                "seconds": td.seconds % 60,
54
 
                })
 
79
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
80
            .format(days = "{}T".format(td.days) if td.days else "",
 
81
                    hours = td.seconds // 3600,
 
82
                    minutes = (td.seconds % 3600) // 60,
 
83
                    seconds = td.seconds % 60,
 
84
                    ))
 
85
 
 
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
55
184
 
56
185
 
57
186
def string_to_delta(interval):
58
187
    """Parse a string and return a datetime.timedelta
59
 
 
60
 
    >>> string_to_delta('7d')
 
188
    
 
189
    >>> string_to_delta("7d")
61
190
    datetime.timedelta(7)
62
 
    >>> string_to_delta('60s')
 
191
    >>> string_to_delta("60s")
63
192
    datetime.timedelta(0, 60)
64
 
    >>> string_to_delta('60m')
 
193
    >>> string_to_delta("60m")
65
194
    datetime.timedelta(0, 3600)
66
 
    >>> string_to_delta('24h')
 
195
    >>> string_to_delta("24h")
67
196
    datetime.timedelta(1)
68
 
    >>> string_to_delta(u'1w')
 
197
    >>> string_to_delta("1w")
69
198
    datetime.timedelta(7)
70
 
    >>> string_to_delta('5m 30s')
 
199
    >>> string_to_delta("5m 30s")
71
200
    datetime.timedelta(0, 330)
72
201
    """
73
 
    timevalue = datetime.timedelta(0)
74
 
    regexp = re.compile("\d+[dsmhw]")
75
 
    
76
 
    for s in regexp.findall(interval):
77
 
        try:
78
 
            suffix = unicode(s[-1])
79
 
            value = int(s[:-1])
80
 
            if suffix == u"d":
81
 
                delta = datetime.timedelta(value)
82
 
            elif suffix == u"s":
83
 
                delta = datetime.timedelta(0, value)
84
 
            elif suffix == u"m":
85
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
86
 
            elif suffix == u"h":
87
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
88
 
            elif suffix == u"w":
89
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
90
 
            else:
91
 
                raise ValueError
92
 
        except (ValueError, IndexError):
93
 
            raise ValueError
94
 
        timevalue += delta
95
 
    return timevalue
 
202
    
 
203
    try:
 
204
        return rfc3339_duration_to_delta(interval)
 
205
    except ValueError:
 
206
        pass
 
207
    
 
208
    value = datetime.timedelta(0)
 
209
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
210
    
 
211
    for num, suffix in regexp.findall(interval):
 
212
        if suffix == "d":
 
213
            value += datetime.timedelta(int(num))
 
214
        elif suffix == "s":
 
215
            value += datetime.timedelta(0, int(num))
 
216
        elif suffix == "m":
 
217
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
218
        elif suffix == "h":
 
219
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
220
        elif suffix == "w":
 
221
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
222
        elif suffix == "":
 
223
            value += datetime.timedelta(0, 0, 0, int(num))
 
224
    return value
96
225
 
97
 
def print_clients(clients):
 
226
def print_clients(clients, keywords):
98
227
    def valuetostring(value, keyword):
99
228
        if type(value) is dbus.Boolean:
100
 
            return u"Yes" if value else u"No"
101
 
        if keyword in (u"timeout", u"interval"):
 
229
            return "Yes" if value else "No"
 
230
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
231
                       "ApprovalDuration", "ExtendedTimeout"):
102
232
            return milliseconds_to_string(value)
103
 
        return unicode(value)
 
233
        return str(value)
104
234
    
105
235
    # Create format string to print table rows
106
 
    format_string = u' '.join(u'%%-%ds' %
107
 
                              max(len(tablewords[key]),
108
 
                                  max(len(valuetostring(client[key], key))
109
 
                                      for client in
110
 
                                      clients))
111
 
                              for key in keywords)
 
236
    format_string = " ".join("{{{key}:{width}}}".format(
 
237
            width = max(len(tablewords[key]),
 
238
                        max(len(valuetostring(client[key],
 
239
                                              key))
 
240
                            for client in
 
241
                            clients)),
 
242
            key = key) for key in keywords)
112
243
    # Print header line
113
 
    print format_string % tuple(tablewords[key] for key in keywords)
 
244
    print(format_string.format(**tablewords))
114
245
    for client in clients:
115
 
        print format_string % tuple(valuetostring(client[key], key)
116
 
                                    for key in keywords)
117
 
 
118
 
parser = OptionParser(version = "%%prog %s" % version)
119
 
parser.add_option("-a", "--all", action="store_true",
120
 
                  help="Print all fields")
121
 
parser.add_option("-e", "--enable", action="store_true",
122
 
                  help="Enable client")
123
 
parser.add_option("-d", "--disable", action="store_true",
124
 
                  help="disable client")
125
 
parser.add_option("-b", "--bump-timeout", action="store_true",
126
 
                  help="Bump timeout for client")
127
 
parser.add_option("--start-checker", action="store_true",
128
 
                  help="Start checker for client")
129
 
parser.add_option("--stop-checker", action="store_true",
130
 
                  help="Stop checker for client")
131
 
parser.add_option("-V", "--is-valid", action="store_true",
132
 
                  help="Check if client is still valid")
133
 
parser.add_option("-r", "--remove", action="store_true",
134
 
                  help="Remove client")
135
 
parser.add_option("-c", "--checker", type="string",
136
 
                  help="Set checker command for client")
137
 
parser.add_option("-t", "--timeout", type="string",
138
 
                  help="Set timeout for client")
139
 
parser.add_option("-i", "--interval", type="string",
140
 
                  help="Set checker interval for client")
141
 
parser.add_option("-H", "--host", type="string",
142
 
                  help="Set host for client")
143
 
parser.add_option("-s", "--secret", type="string",
144
 
                  help="Set password blob (file) for client")
145
 
options, client_names = parser.parse_args()
146
 
 
147
 
# Compile list of clients to process
148
 
clients=[]
149
 
for name in client_names:
150
 
    for path, client in mandos_clients.iteritems():
151
 
        if client['name'] == name:
152
 
            client_objc = bus.get_object(busname, path)
153
 
            clients.append(client_objc)
154
 
            break
155
 
    else:
156
 
        print >> sys.stderr, "Client not found on server: %r" % name
157
 
        sys.exit(1)
158
 
 
159
 
if not clients and mandos_clients.values():
160
 
    keywords = defaultkeywords
161
 
    if options.all:
162
 
        keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
163
 
                    'created', 'interval', 'host', 'fingerprint',
164
 
                    'checker_running', 'last_enabled', 'checker')
165
 
    print_clients(mandos_clients.values())
166
 
 
167
 
# Process each client in the list by all selected options
168
 
for client in clients:
169
 
    if options.remove:
170
 
        mandos_serv.RemoveClient(client.__dbus_object_path__)
171
 
    if options.enable:
172
 
        client.Enable(dbus_interface=client_interface)
173
 
    if options.disable:
174
 
        client.Disable(dbus_interface=client_interface)
175
 
    if options.bump_timeout:
176
 
        client.CheckedOK(dbus_interface=client_interface)
177
 
    if options.start_checker:
178
 
        client.StartChecker(dbus_interface=client_interface)
179
 
    if options.stop_checker:
180
 
        client.StopChecker(dbus_interface=client_interface)
181
 
    if options.is_valid:
182
 
        sys.exit(0 if client.Get(client_interface,
183
 
                                 u"enabled",
184
 
                                 dbus_interface=dbus.PROPERTIES_IFACE)
185
 
                 else 1)
186
 
    if options.checker:
187
 
        client.Set(client_interface, u"checker", options.checker,
188
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
189
 
    if options.host:
190
 
        client.Set(client_interface, u"host", options.host,
191
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
192
 
    if options.interval:
193
 
        client.Set(client_interface, u"interval",
194
 
                   timedelta_to_milliseconds
195
 
                   (string_to_delta(options.interval)),
196
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
197
 
    if options.timeout:
198
 
        client.Set(client_interface, u"timeout",
199
 
                   timedelta_to_milliseconds(string_to_delta
200
 
                                             (options.timeout)),
201
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
202
 
    if options.secret:
203
 
        client.Set(client_interface, u"secret",
204
 
                   dbus.ByteArray(open(options.secret, u'rb').read()),
205
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
246
        print(format_string.format(**{ key:
 
247
                                           valuetostring(client[key],
 
248
                                                         key)
 
249
                                       for key in keywords }))
 
250
 
 
251
def has_actions(options):
 
252
    return any((options.enable,
 
253
                options.disable,
 
254
                options.bump_timeout,
 
255
                options.start_checker,
 
256
                options.stop_checker,
 
257
                options.is_enabled,
 
258
                options.remove,
 
259
                options.checker is not None,
 
260
                options.timeout is not None,
 
261
                options.extended_timeout is not None,
 
262
                options.interval is not None,
 
263
                options.approved_by_default is not None,
 
264
                options.approval_delay is not None,
 
265
                options.approval_duration is not None,
 
266
                options.host is not None,
 
267
                options.secret is not None,
 
268
                options.approve,
 
269
                options.deny))
 
270
 
 
271
def main():
 
272
    parser = argparse.ArgumentParser()
 
273
    parser.add_argument("--version", action="version",
 
274
                        version = "%(prog)s {}".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",
 
314
                        type=argparse.FileType(mode="rb"),
 
315
                        help="Set password blob (file) for client")
 
316
    parser.add_argument("-A", "--approve", action="store_true",
 
317
                        help="Approve any current client request")
 
318
    parser.add_argument("-D", "--deny", action="store_true",
 
319
                        help="Deny any current client request")
 
320
    parser.add_argument("--check", action="store_true",
 
321
                        help="Run self-test")
 
322
    parser.add_argument("client", nargs="*", help="Client name")
 
323
    options = parser.parse_args()
 
324
    
 
325
    if has_actions(options) and not (options.client or options.all):
 
326
        parser.error("Options require clients names or --all.")
 
327
    if options.verbose and has_actions(options):
 
328
        parser.error("--verbose can only be used alone or with"
 
329
                     " --all.")
 
330
    if options.all and not has_actions(options):
 
331
        parser.error("--all requires an action.")
 
332
 
 
333
    if options.check:
 
334
        fail_count, test_count = doctest.testmod()
 
335
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
336
    
 
337
    try:
 
338
        bus = dbus.SystemBus()
 
339
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
340
    except dbus.exceptions.DBusException:
 
341
        print("Could not connect to Mandos server",
 
342
              file=sys.stderr)
 
343
        sys.exit(1)
 
344
    
 
345
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
346
                                 dbus_interface = server_interface)
 
347
    
 
348
    #block stderr since dbus library prints to stderr
 
349
    null = os.open(os.path.devnull, os.O_RDWR)
 
350
    stderrcopy = os.dup(sys.stderr.fileno())
 
351
    os.dup2(null, sys.stderr.fileno())
 
352
    os.close(null)
 
353
    try:
 
354
        try:
 
355
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
356
        finally:
 
357
            #restore stderr
 
358
            os.dup2(stderrcopy, sys.stderr.fileno())
 
359
            os.close(stderrcopy)
 
360
    except dbus.exceptions.DBusException:
 
361
        print("Access denied: Accessing mandos server through dbus.",
 
362
              file=sys.stderr)
 
363
        sys.exit(1)
 
364
    
 
365
    # Compile dict of (clients: properties) to process
 
366
    clients={}
 
367
    
 
368
    if options.all or not options.client:
 
369
        clients = { bus.get_object(busname, path): properties
 
370
                    for path, properties in mandos_clients.items() }
 
371
    else:
 
372
        for name in options.client:
 
373
            for path, client in mandos_clients.items():
 
374
                if client["Name"] == name:
 
375
                    client_objc = bus.get_object(busname, path)
 
376
                    clients[client_objc] = client
 
377
                    break
 
378
            else:
 
379
                print("Client not found on server: {!r}"
 
380
                      .format(name), file=sys.stderr)
 
381
                sys.exit(1)
 
382
    
 
383
    if not has_actions(options) and clients:
 
384
        if options.verbose:
 
385
            keywords = ("Name", "Enabled", "Timeout",
 
386
                        "LastCheckedOK", "Created", "Interval",
 
387
                        "Host", "Fingerprint", "CheckerRunning",
 
388
                        "LastEnabled", "ApprovalPending",
 
389
                        "ApprovedByDefault",
 
390
                        "LastApprovalRequest", "ApprovalDelay",
 
391
                        "ApprovalDuration", "Checker",
 
392
                        "ExtendedTimeout")
 
393
        else:
 
394
            keywords = defaultkeywords
 
395
        
 
396
        print_clients(clients.values(), keywords)
 
397
    else:
 
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
                                string_to_delta(value).total_seconds()
 
409
                                * 1000)
 
410
            if options.remove:
 
411
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
412
            if options.enable:
 
413
                set_client_prop("Enabled", dbus.Boolean(True))
 
414
            if options.disable:
 
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,
 
424
                                         "Enabled",
 
425
                                         dbus_interface=
 
426
                                         dbus.PROPERTIES_IFACE)
 
427
                         else 1)
 
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",
 
450
                                dbus.Boolean(options
 
451
                                             .approved_by_default))
 
452
            if options.approve:
 
453
                client.Approve(dbus.Boolean(True),
 
454
                               dbus_interface=client_interface)
 
455
            elif options.deny:
 
456
                client.Approve(dbus.Boolean(False),
 
457
                               dbus_interface=client_interface)
 
458
 
 
459
if __name__ == "__main__":
 
460
    main()