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  • Committer: Teddy Hogeborn
  • Date: 2016-06-27 20:21:50 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 350.
  • Revision ID: teddy@recompile.se-20160627202150-ml201ilxwjf1g29w
mandos-ctl: Implement --dump-json option

* mandos-ctl (main): Implement --dump-json option
* mandos-ctl.xml (NAME, DESCRIPTION): Change description to the more
                                      accurate "control or query".
  (SYNOPSIS): Add required group around action options and add new
              "--dump-json" option.
  (OPTIONS): Document new "--dump-json" option.

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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 © 2008-2016 Teddy Hogeborn
 
7
# Copyright © 2008-2016 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
import json
 
43
 
 
44
import dbus
 
45
 
 
46
if sys.version_info.major == 2:
 
47
    str = unicode
 
48
 
 
49
locale.setlocale(locale.LC_ALL, "")
13
50
 
14
51
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',
26
 
    }
27
 
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok')
28
 
domain = 'se.bsnet.fukt'
29
 
busname = domain + '.Mandos'
30
 
server_path = '/'
31
 
server_interface = domain + '.Mandos'
32
 
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.14"
 
52
    "Name": "Name",
 
53
    "Enabled": "Enabled",
 
54
    "Timeout": "Timeout",
 
55
    "LastCheckedOK": "Last Successful Check",
 
56
    "LastApprovalRequest": "Last Approval Request",
 
57
    "Created": "Created",
 
58
    "Interval": "Interval",
 
59
    "Host": "Host",
 
60
    "Fingerprint": "Fingerprint",
 
61
    "CheckerRunning": "Check Is Running",
 
62
    "LastEnabled": "Last Enabled",
 
63
    "ApprovalPending": "Approval Is Pending",
 
64
    "ApprovedByDefault": "Approved By Default",
 
65
    "ApprovalDelay": "Approval Delay",
 
66
    "ApprovalDuration": "Approval Duration",
 
67
    "Checker": "Checker",
 
68
    "ExtendedTimeout": "Extended Timeout"
 
69
}
 
70
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
71
domain = "se.recompile"
 
72
busname = domain + ".Mandos"
 
73
server_path = "/"
 
74
server_interface = domain + ".Mandos"
 
75
client_interface = domain + ".Mandos.Client"
 
76
version = "1.7.10"
 
77
 
 
78
 
34
79
try:
35
 
    bus = dbus.SystemBus()
36
 
    mandos_dbus_objc = bus.get_object(busname, server_path)
37
 
except dbus.exceptions.DBusException:
38
 
    sys.exit(1)
39
 
    
40
 
mandos_serv = dbus.Interface(mandos_dbus_objc,
41
 
                             dbus_interface = server_interface)
42
 
mandos_clients = mandos_serv.GetAllClientsWithProperties()
43
 
 
44
 
def timedelta_to_milliseconds(td):
45
 
    "Convert a datetime.timedelta object to milliseconds"
46
 
    return ((td.days * 24 * 60 * 60 * 1000)
47
 
            + (td.seconds * 1000)
48
 
            + (td.microseconds // 1000))
 
80
    dbus.OBJECT_MANAGER_IFACE
 
81
except AttributeError:
 
82
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
49
83
 
50
84
def milliseconds_to_string(ms):
51
85
    td = datetime.timedelta(0, 0, 0, ms)
52
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
53
 
            % { "days": "%dT" % td.days if td.days else "",
54
 
                "hours": td.seconds // 3600,
55
 
                "minutes": (td.seconds % 3600) // 60,
56
 
                "seconds": td.seconds % 60,
57
 
                })
 
86
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
 
87
        days = "{}T".format(td.days) if td.days else "",
 
88
        hours = td.seconds // 3600,
 
89
        minutes = (td.seconds % 3600) // 60,
 
90
        seconds = td.seconds % 60))
 
91
 
 
92
 
 
93
def rfc3339_duration_to_delta(duration):
 
94
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
95
    
 
96
    >>> rfc3339_duration_to_delta("P7D")
 
97
    datetime.timedelta(7)
 
98
    >>> rfc3339_duration_to_delta("PT60S")
 
99
    datetime.timedelta(0, 60)
 
100
    >>> rfc3339_duration_to_delta("PT60M")
 
101
    datetime.timedelta(0, 3600)
 
102
    >>> rfc3339_duration_to_delta("PT24H")
 
103
    datetime.timedelta(1)
 
104
    >>> rfc3339_duration_to_delta("P1W")
 
105
    datetime.timedelta(7)
 
106
    >>> rfc3339_duration_to_delta("PT5M30S")
 
107
    datetime.timedelta(0, 330)
 
108
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
109
    datetime.timedelta(1, 200)
 
110
    """
 
111
    
 
112
    # Parsing an RFC 3339 duration with regular expressions is not
 
113
    # possible - there would have to be multiple places for the same
 
114
    # values, like seconds.  The current code, while more esoteric, is
 
115
    # cleaner without depending on a parsing library.  If Python had a
 
116
    # built-in library for parsing we would use it, but we'd like to
 
117
    # avoid excessive use of external libraries.
 
118
    
 
119
    # New type for defining tokens, syntax, and semantics all-in-one
 
120
    Token = collections.namedtuple("Token", (
 
121
        "regexp",  # To match token; if "value" is not None, must have
 
122
                   # a "group" containing digits
 
123
        "value",   # datetime.timedelta or None
 
124
        "followers"))           # Tokens valid after this token
 
125
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
126
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
127
    token_end = Token(re.compile(r"$"), None, frozenset())
 
128
    token_second = Token(re.compile(r"(\d+)S"),
 
129
                         datetime.timedelta(seconds=1),
 
130
                         frozenset((token_end, )))
 
131
    token_minute = Token(re.compile(r"(\d+)M"),
 
132
                         datetime.timedelta(minutes=1),
 
133
                         frozenset((token_second, token_end)))
 
134
    token_hour = Token(re.compile(r"(\d+)H"),
 
135
                       datetime.timedelta(hours=1),
 
136
                       frozenset((token_minute, token_end)))
 
137
    token_time = Token(re.compile(r"T"),
 
138
                       None,
 
139
                       frozenset((token_hour, token_minute,
 
140
                                  token_second)))
 
141
    token_day = Token(re.compile(r"(\d+)D"),
 
142
                      datetime.timedelta(days=1),
 
143
                      frozenset((token_time, token_end)))
 
144
    token_month = Token(re.compile(r"(\d+)M"),
 
145
                        datetime.timedelta(weeks=4),
 
146
                        frozenset((token_day, token_end)))
 
147
    token_year = Token(re.compile(r"(\d+)Y"),
 
148
                       datetime.timedelta(weeks=52),
 
149
                       frozenset((token_month, token_end)))
 
150
    token_week = Token(re.compile(r"(\d+)W"),
 
151
                       datetime.timedelta(weeks=1),
 
152
                       frozenset((token_end, )))
 
153
    token_duration = Token(re.compile(r"P"), None,
 
154
                           frozenset((token_year, token_month,
 
155
                                      token_day, token_time,
 
156
                                      token_week)))
 
157
    # Define starting values
 
158
    value = datetime.timedelta() # Value so far
 
159
    found_token = None
 
160
    followers = frozenset((token_duration, )) # Following valid tokens
 
161
    s = duration                # String left to parse
 
162
    # Loop until end token is found
 
163
    while found_token is not token_end:
 
164
        # Search for any currently valid tokens
 
165
        for token in followers:
 
166
            match = token.regexp.match(s)
 
167
            if match is not None:
 
168
                # Token found
 
169
                if token.value is not None:
 
170
                    # Value found, parse digits
 
171
                    factor = int(match.group(1), 10)
 
172
                    # Add to value so far
 
173
                    value += factor * token.value
 
174
                # Strip token from string
 
175
                s = token.regexp.sub("", s, 1)
 
176
                # Go to found token
 
177
                found_token = token
 
178
                # Set valid next tokens
 
179
                followers = found_token.followers
 
180
                break
 
181
        else:
 
182
            # No currently valid tokens were found
 
183
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
184
                             .format(duration))
 
185
    # End token found
 
186
    return value
58
187
 
59
188
 
60
189
def string_to_delta(interval):
61
190
    """Parse a string and return a datetime.timedelta
62
 
 
 
191
    
63
192
    >>> string_to_delta('7d')
64
193
    datetime.timedelta(7)
65
194
    >>> string_to_delta('60s')
68
197
    datetime.timedelta(0, 3600)
69
198
    >>> string_to_delta('24h')
70
199
    datetime.timedelta(1)
71
 
    >>> string_to_delta(u'1w')
 
200
    >>> string_to_delta('1w')
72
201
    datetime.timedelta(7)
73
202
    >>> string_to_delta('5m 30s')
74
203
    datetime.timedelta(0, 330)
75
204
    """
76
 
    timevalue = datetime.timedelta(0)
77
 
    regexp = re.compile("\d+[dsmhw]")
78
 
    
79
 
    for s in regexp.findall(interval):
80
 
        try:
81
 
            suffix = unicode(s[-1])
82
 
            value = int(s[:-1])
83
 
            if suffix == u"d":
84
 
                delta = datetime.timedelta(value)
85
 
            elif suffix == u"s":
86
 
                delta = datetime.timedelta(0, value)
87
 
            elif suffix == u"m":
88
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
89
 
            elif suffix == u"h":
90
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
91
 
            elif suffix == u"w":
92
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
93
 
            else:
94
 
                raise ValueError
95
 
        except (ValueError, IndexError):
96
 
            raise ValueError
97
 
        timevalue += delta
98
 
    return timevalue
99
 
 
100
 
def print_clients(clients):
 
205
    
 
206
    try:
 
207
        return rfc3339_duration_to_delta(interval)
 
208
    except ValueError:
 
209
        pass
 
210
    
 
211
    value = datetime.timedelta(0)
 
212
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
213
    
 
214
    for num, suffix in regexp.findall(interval):
 
215
        if suffix == "d":
 
216
            value += datetime.timedelta(int(num))
 
217
        elif suffix == "s":
 
218
            value += datetime.timedelta(0, int(num))
 
219
        elif suffix == "m":
 
220
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
221
        elif suffix == "h":
 
222
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
223
        elif suffix == "w":
 
224
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
225
        elif suffix == "":
 
226
            value += datetime.timedelta(0, 0, 0, int(num))
 
227
    return value
 
228
 
 
229
 
 
230
def print_clients(clients, keywords):
101
231
    def valuetostring(value, keyword):
102
232
        if type(value) is dbus.Boolean:
103
 
            return u"Yes" if value else u"No"
104
 
        if keyword in (u"timeout", u"interval"):
 
233
            return "Yes" if value else "No"
 
234
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
235
                       "ApprovalDuration", "ExtendedTimeout"):
105
236
            return milliseconds_to_string(value)
106
 
        return unicode(value)
 
237
        return str(value)
107
238
    
108
239
    # Create format string to print table rows
109
 
    format_string = u' '.join(u'%%-%ds' %
110
 
                              max(len(tablewords[key]),
111
 
                                  max(len(valuetostring(client[key], key))
112
 
                                      for client in
113
 
                                      clients))
114
 
                              for key in keywords)
 
240
    format_string = " ".join("{{{key}:{width}}}".format(
 
241
        width = max(len(tablewords[key]),
 
242
                    max(len(valuetostring(client[key], key))
 
243
                        for client in clients)),
 
244
        key = key)
 
245
                             for key in keywords)
115
246
    # Print header line
116
 
    print format_string % tuple(tablewords[key] for key in keywords)
 
247
    print(format_string.format(**tablewords))
117
248
    for client in clients:
118
 
        print format_string % tuple(valuetostring(client[key], key)
119
 
                                    for key in keywords)
120
 
 
121
 
parser = OptionParser(version = "%%prog %s" % version)
122
 
parser.add_option("-a", "--all", action="store_true",
123
 
                  help="Print all fields")
124
 
parser.add_option("-e", "--enable", action="store_true",
125
 
                  help="Enable client")
126
 
parser.add_option("-d", "--disable", action="store_true",
127
 
                  help="disable client")
128
 
parser.add_option("-b", "--bump-timeout", action="store_true",
129
 
                  help="Bump timeout for client")
130
 
parser.add_option("--start-checker", action="store_true",
131
 
                  help="Start checker for client")
132
 
parser.add_option("--stop-checker", action="store_true",
133
 
                  help="Stop checker for client")
134
 
parser.add_option("-V", "--is-enabled", action="store_true",
135
 
                  help="Check if client is enabled")
136
 
parser.add_option("-r", "--remove", action="store_true",
137
 
                  help="Remove client")
138
 
parser.add_option("-c", "--checker", type="string",
139
 
                  help="Set checker command for client")
140
 
parser.add_option("-t", "--timeout", type="string",
141
 
                  help="Set timeout for client")
142
 
parser.add_option("-i", "--interval", type="string",
143
 
                  help="Set checker interval for client")
144
 
parser.add_option("-H", "--host", type="string",
145
 
                  help="Set host for client")
146
 
parser.add_option("-s", "--secret", type="string",
147
 
                  help="Set password blob (file) for client")
148
 
parser.add_option("-A", "--approve", action="store_true",
149
 
                  help="Approve any current client request")
150
 
parser.add_option("-D", "--deny", action="store_true",
151
 
                  help="Deny any current client request")
152
 
options, client_names = parser.parse_args()
153
 
 
154
 
# Compile list of clients to process
155
 
clients=[]
156
 
for name in client_names:
157
 
    for path, client in mandos_clients.iteritems():
158
 
        if client['name'] == name:
159
 
            client_objc = bus.get_object(busname, path)
160
 
            clients.append(client_objc)
161
 
            break
162
 
    else:
163
 
        print >> sys.stderr, "Client not found on server: %r" % name
164
 
        sys.exit(1)
165
 
 
166
 
if not clients and mandos_clients.values():
167
 
    keywords = defaultkeywords
168
 
    if options.all:
169
 
        keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
170
 
                    'created', 'interval', 'host', 'fingerprint',
171
 
                    'checker_running', 'last_enabled', 'checker')
172
 
    print_clients(mandos_clients.values())
173
 
 
174
 
# Process each client in the list by all selected options
175
 
for client in clients:
176
 
    if options.remove:
177
 
        mandos_serv.RemoveClient(client.__dbus_object_path__)
178
 
    if options.enable:
179
 
        client.Enable(dbus_interface=client_interface)
180
 
    if options.disable:
181
 
        client.Disable(dbus_interface=client_interface)
182
 
    if options.bump_timeout:
183
 
        client.CheckedOK(dbus_interface=client_interface)
184
 
    if options.start_checker:
185
 
        client.StartChecker(dbus_interface=client_interface)
186
 
    if options.stop_checker:
187
 
        client.StopChecker(dbus_interface=client_interface)
188
 
    if options.is_enabled:
189
 
        sys.exit(0 if client.Get(client_interface,
190
 
                                 u"enabled",
191
 
                                 dbus_interface=dbus.PROPERTIES_IFACE)
192
 
                 else 1)
193
 
    if options.checker:
194
 
        client.Set(client_interface, u"checker", options.checker,
195
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
196
 
    if options.host:
197
 
        client.Set(client_interface, u"host", options.host,
198
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
199
 
    if options.interval:
200
 
        client.Set(client_interface, u"interval",
201
 
                   timedelta_to_milliseconds
202
 
                   (string_to_delta(options.interval)),
203
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
204
 
    if options.timeout:
205
 
        client.Set(client_interface, u"timeout",
206
 
                   timedelta_to_milliseconds(string_to_delta
207
 
                                             (options.timeout)),
208
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
209
 
    if options.secret:
210
 
        client.Set(client_interface, u"secret",
211
 
                   dbus.ByteArray(open(options.secret, u'rb').read()),
212
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
213
 
    if options.approve:
214
 
        client.Approve(dbus.Boolean(True), dbus_interface=client_interface)
215
 
    if options.deny:
216
 
        client.Approve(dbus.Boolean(False), dbus_interface=client_interface)
 
249
        print(format_string.format(**{
 
250
            key: valuetostring(client[key], key)
 
251
            for key in keywords }))
 
252
 
 
253
 
 
254
def has_actions(options):
 
255
    return any((options.enable,
 
256
                options.disable,
 
257
                options.bump_timeout,
 
258
                options.start_checker,
 
259
                options.stop_checker,
 
260
                options.is_enabled,
 
261
                options.remove,
 
262
                options.checker is not None,
 
263
                options.timeout is not None,
 
264
                options.extended_timeout is not None,
 
265
                options.interval is not None,
 
266
                options.approved_by_default is not None,
 
267
                options.approval_delay is not None,
 
268
                options.approval_duration is not None,
 
269
                options.host is not None,
 
270
                options.secret is not None,
 
271
                options.approve,
 
272
                options.deny))
 
273
 
 
274
 
 
275
def main():
 
276
    parser = argparse.ArgumentParser()
 
277
    parser.add_argument("--version", action="version",
 
278
                        version = "%(prog)s {}".format(version),
 
279
                        help="show version number and exit")
 
280
    parser.add_argument("-a", "--all", action="store_true",
 
281
                        help="Select all clients")
 
282
    parser.add_argument("-v", "--verbose", action="store_true",
 
283
                        help="Print all fields")
 
284
    parser.add_argument("-j", "--dump-json", action="store_true",
 
285
                        help="Dump client data in JSON format")
 
286
    parser.add_argument("-e", "--enable", action="store_true",
 
287
                        help="Enable client")
 
288
    parser.add_argument("-d", "--disable", action="store_true",
 
289
                        help="disable client")
 
290
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
291
                        help="Bump timeout for client")
 
292
    parser.add_argument("--start-checker", action="store_true",
 
293
                        help="Start checker for client")
 
294
    parser.add_argument("--stop-checker", action="store_true",
 
295
                        help="Stop checker for client")
 
296
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
297
                        help="Check if client is enabled")
 
298
    parser.add_argument("-r", "--remove", action="store_true",
 
299
                        help="Remove client")
 
300
    parser.add_argument("-c", "--checker",
 
301
                        help="Set checker command for client")
 
302
    parser.add_argument("-t", "--timeout",
 
303
                        help="Set timeout for client")
 
304
    parser.add_argument("--extended-timeout",
 
305
                        help="Set extended timeout for client")
 
306
    parser.add_argument("-i", "--interval",
 
307
                        help="Set checker interval for client")
 
308
    parser.add_argument("--approve-by-default", action="store_true",
 
309
                        default=None, dest="approved_by_default",
 
310
                        help="Set client to be approved by default")
 
311
    parser.add_argument("--deny-by-default", action="store_false",
 
312
                        dest="approved_by_default",
 
313
                        help="Set client to be denied by default")
 
314
    parser.add_argument("--approval-delay",
 
315
                        help="Set delay before client approve/deny")
 
316
    parser.add_argument("--approval-duration",
 
317
                        help="Set duration of one client approval")
 
318
    parser.add_argument("-H", "--host", help="Set host for client")
 
319
    parser.add_argument("-s", "--secret",
 
320
                        type=argparse.FileType(mode="rb"),
 
321
                        help="Set password blob (file) for client")
 
322
    parser.add_argument("-A", "--approve", action="store_true",
 
323
                        help="Approve any current client request")
 
324
    parser.add_argument("-D", "--deny", action="store_true",
 
325
                        help="Deny any current client request")
 
326
    parser.add_argument("--check", action="store_true",
 
327
                        help="Run self-test")
 
328
    parser.add_argument("client", nargs="*", help="Client name")
 
329
    options = parser.parse_args()
 
330
    
 
331
    if has_actions(options) and not (options.client or options.all):
 
332
        parser.error("Options require clients names or --all.")
 
333
    if options.verbose and has_actions(options):
 
334
        parser.error("--verbose can only be used alone.")
 
335
    if options.dump_json and (options.verbose or has_actions(options)):
 
336
        parser.error("--dump-json can only be used alone.")
 
337
    if options.all and not has_actions(options):
 
338
        parser.error("--all requires an action.")
 
339
    
 
340
    if options.check:
 
341
        fail_count, test_count = doctest.testmod()
 
342
        sys.exit(os.EX_OK if fail_count == 0 else 1)
 
343
    
 
344
    try:
 
345
        bus = dbus.SystemBus()
 
346
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
347
    except dbus.exceptions.DBusException:
 
348
        print("Could not connect to Mandos server", file=sys.stderr)
 
349
        sys.exit(1)
 
350
    
 
351
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
352
                                 dbus_interface = server_interface)
 
353
    mandos_serv_object_manager = dbus.Interface(
 
354
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
 
355
    
 
356
    #block stderr since dbus library prints to stderr
 
357
    null = os.open(os.path.devnull, os.O_RDWR)
 
358
    stderrcopy = os.dup(sys.stderr.fileno())
 
359
    os.dup2(null, sys.stderr.fileno())
 
360
    os.close(null)
 
361
    try:
 
362
        try:
 
363
            mandos_clients = { path: ifs_and_props[client_interface]
 
364
                               for path, ifs_and_props in
 
365
                               mandos_serv_object_manager
 
366
                               .GetManagedObjects().items()
 
367
                               if client_interface in ifs_and_props }
 
368
        finally:
 
369
            #restore stderr
 
370
            os.dup2(stderrcopy, sys.stderr.fileno())
 
371
            os.close(stderrcopy)
 
372
    except dbus.exceptions.DBusException as e:
 
373
        print("Access denied: Accessing mandos server through D-Bus: {}"
 
374
              .format(e), file=sys.stderr)
 
375
        sys.exit(1)
 
376
    
 
377
    # Compile dict of (clients: properties) to process
 
378
    clients={}
 
379
    
 
380
    if options.all or not options.client:
 
381
        clients = { bus.get_object(busname, path): properties
 
382
                    for path, properties in mandos_clients.items() }
 
383
    else:
 
384
        for name in options.client:
 
385
            for path, client in mandos_clients.items():
 
386
                if client["Name"] == name:
 
387
                    client_objc = bus.get_object(busname, path)
 
388
                    clients[client_objc] = client
 
389
                    break
 
390
            else:
 
391
                print("Client not found on server: {!r}"
 
392
                      .format(name), file=sys.stderr)
 
393
                sys.exit(1)
 
394
    
 
395
    if not has_actions(options) and clients:
 
396
        if options.verbose or options.dump_json:
 
397
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
398
                        "Created", "Interval", "Host", "Fingerprint",
 
399
                        "CheckerRunning", "LastEnabled",
 
400
                        "ApprovalPending", "ApprovedByDefault",
 
401
                        "LastApprovalRequest", "ApprovalDelay",
 
402
                        "ApprovalDuration", "Checker",
 
403
                        "ExtendedTimeout")
 
404
        else:
 
405
            keywords = defaultkeywords
 
406
        
 
407
        if options.dump_json:
 
408
            json.dump({client["Name"]: {key: client[key]
 
409
                                        for key in keywords }
 
410
                       for client in clients.values() },
 
411
                      fp = sys.stdout, indent = 4,
 
412
                      separators = (',', ': '))
 
413
            print()
 
414
        else:
 
415
            print_clients(clients.values(), keywords)
 
416
    else:
 
417
        # Process each client in the list by all selected options
 
418
        for client in clients:
 
419
            
 
420
            def set_client_prop(prop, value):
 
421
                """Set a Client D-Bus property"""
 
422
                client.Set(client_interface, prop, value,
 
423
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
424
            
 
425
            def set_client_prop_ms(prop, value):
 
426
                """Set a Client D-Bus property, converted
 
427
                from a string to milliseconds."""
 
428
                set_client_prop(prop,
 
429
                                string_to_delta(value).total_seconds()
 
430
                                * 1000)
 
431
            
 
432
            if options.remove:
 
433
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
434
            if options.enable:
 
435
                set_client_prop("Enabled", dbus.Boolean(True))
 
436
            if options.disable:
 
437
                set_client_prop("Enabled", dbus.Boolean(False))
 
438
            if options.bump_timeout:
 
439
                set_client_prop("LastCheckedOK", "")
 
440
            if options.start_checker:
 
441
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
442
            if options.stop_checker:
 
443
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
444
            if options.is_enabled:
 
445
                sys.exit(0 if client.Get(client_interface,
 
446
                                         "Enabled",
 
447
                                         dbus_interface=
 
448
                                         dbus.PROPERTIES_IFACE)
 
449
                         else 1)
 
450
            if options.checker is not None:
 
451
                set_client_prop("Checker", options.checker)
 
452
            if options.host is not None:
 
453
                set_client_prop("Host", options.host)
 
454
            if options.interval is not None:
 
455
                set_client_prop_ms("Interval", options.interval)
 
456
            if options.approval_delay is not None:
 
457
                set_client_prop_ms("ApprovalDelay",
 
458
                                   options.approval_delay)
 
459
            if options.approval_duration is not None:
 
460
                set_client_prop_ms("ApprovalDuration",
 
461
                                   options.approval_duration)
 
462
            if options.timeout is not None:
 
463
                set_client_prop_ms("Timeout", options.timeout)
 
464
            if options.extended_timeout is not None:
 
465
                set_client_prop_ms("ExtendedTimeout",
 
466
                                   options.extended_timeout)
 
467
            if options.secret is not None:
 
468
                set_client_prop("Secret",
 
469
                                dbus.ByteArray(options.secret.read()))
 
470
            if options.approved_by_default is not None:
 
471
                set_client_prop("ApprovedByDefault",
 
472
                                dbus.Boolean(options
 
473
                                             .approved_by_default))
 
474
            if options.approve:
 
475
                client.Approve(dbus.Boolean(True),
 
476
                               dbus_interface=client_interface)
 
477
            elif options.deny:
 
478
                client.Approve(dbus.Boolean(False),
 
479
                               dbus_interface=client_interface)
 
480
 
 
481
 
 
482
if __name__ == "__main__":
 
483
    main()