/mandos/release

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  • Committer: Björn Påhlsson
  • Date: 2008-07-20 02:52:20 UTC
  • Revision ID: belorn@braxen-20080720025220-r5u0388uy9iu23h6
Added following support:
Pluginbased client handler
rewritten Mandos client
       Avahi instead of udp server discovery
       openpgp encrypted key support
Passprompt stand alone application for direct console input
Added logging for Mandos server

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mandos-ctl
1
 
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2008-2011 Teddy Hogeborn
7
 
# Copyright © 2008-2011 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 <http://www.gnu.org/licenses/>.
21
 
# 
22
 
# Contact the authors at <mandos@recompile.se>.
23
 
# 
24
 
 
25
 
from __future__ import (division, absolute_import, print_function,
26
 
                        unicode_literals)
27
 
 
28
 
import sys
29
 
import dbus
30
 
import argparse
31
 
import locale
32
 
import datetime
33
 
import re
34
 
import os
35
 
 
36
 
locale.setlocale(locale.LC_ALL, "")
37
 
 
38
 
tablewords = {
39
 
    "Name": "Name",
40
 
    "Enabled": "Enabled",
41
 
    "Timeout": "Timeout",
42
 
    "LastCheckedOK": "Last Successful Check",
43
 
    "LastApprovalRequest": "Last Approval Request",
44
 
    "Created": "Created",
45
 
    "Interval": "Interval",
46
 
    "Host": "Host",
47
 
    "Fingerprint": "Fingerprint",
48
 
    "CheckerRunning": "Check Is Running",
49
 
    "LastEnabled": "Last Enabled",
50
 
    "ApprovalPending": "Approval Is Pending",
51
 
    "ApprovedByDefault": "Approved By Default",
52
 
    "ApprovalDelay": "Approval Delay",
53
 
    "ApprovalDuration": "Approval Duration",
54
 
    "Checker": "Checker",
55
 
    "ExtendedTimeout" : "Extended Timeout"
56
 
    }
57
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
58
 
domain = "se.recompile"
59
 
busname = domain + ".Mandos"
60
 
server_path = "/"
61
 
server_interface = domain + ".Mandos"
62
 
client_interface = domain + ".Mandos.Client"
63
 
version = "1.4.1"
64
 
 
65
 
def timedelta_to_milliseconds(td):
66
 
    """Convert a datetime.timedelta object to milliseconds"""
67
 
    return ((td.days * 24 * 60 * 60 * 1000)
68
 
            + (td.seconds * 1000)
69
 
            + (td.microseconds // 1000))
70
 
 
71
 
def milliseconds_to_string(ms):
72
 
    td = datetime.timedelta(0, 0, 0, ms)
73
 
    return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
74
 
            % { "days": "%dT" % td.days if td.days else "",
75
 
                "hours": td.seconds // 3600,
76
 
                "minutes": (td.seconds % 3600) // 60,
77
 
                "seconds": td.seconds % 60,
78
 
                })
79
 
 
80
 
def string_to_delta(interval):
81
 
    """Parse a string and return a datetime.timedelta
82
 
    
83
 
    >>> string_to_delta("7d")
84
 
    datetime.timedelta(7)
85
 
    >>> string_to_delta("60s")
86
 
    datetime.timedelta(0, 60)
87
 
    >>> string_to_delta("60m")
88
 
    datetime.timedelta(0, 3600)
89
 
    >>> string_to_delta("24h")
90
 
    datetime.timedelta(1)
91
 
    >>> string_to_delta("1w")
92
 
    datetime.timedelta(7)
93
 
    >>> string_to_delta("5m 30s")
94
 
    datetime.timedelta(0, 330)
95
 
    """
96
 
    value = datetime.timedelta(0)
97
 
    regexp = re.compile("(\d+)([dsmhw]?)")
98
 
    
99
 
    for num, suffix in regexp.findall(interval):
100
 
        if suffix == "d":
101
 
            value += datetime.timedelta(int(num))
102
 
        elif suffix == "s":
103
 
            value += datetime.timedelta(0, int(num))
104
 
        elif suffix == "m":
105
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
106
 
        elif suffix == "h":
107
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
108
 
        elif suffix == "w":
109
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
110
 
        elif suffix == "":
111
 
            value += datetime.timedelta(0, 0, 0, int(num))
112
 
    return value
113
 
 
114
 
def print_clients(clients, keywords):
115
 
    def valuetostring(value, keyword):
116
 
        if type(value) is dbus.Boolean:
117
 
            return "Yes" if value else "No"
118
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
119
 
                       "ApprovalDuration"):
120
 
            return milliseconds_to_string(value)
121
 
        return unicode(value)
122
 
    
123
 
    # Create format string to print table rows
124
 
    format_string = " ".join("%%-%ds" %
125
 
                             max(len(tablewords[key]),
126
 
                                 max(len(valuetostring(client[key],
127
 
                                                       key))
128
 
                                     for client in
129
 
                                     clients))
130
 
                             for key in keywords)
131
 
    # Print header line
132
 
    print(format_string % tuple(tablewords[key] for key in keywords))
133
 
    for client in clients:
134
 
        print(format_string % tuple(valuetostring(client[key], key)
135
 
                                    for key in keywords))
136
 
 
137
 
def has_actions(options):
138
 
    return any((options.enable,
139
 
                options.disable,
140
 
                options.bump_timeout,
141
 
                options.start_checker,
142
 
                options.stop_checker,
143
 
                options.is_enabled,
144
 
                options.remove,
145
 
                options.checker is not None,
146
 
                options.timeout is not None,
147
 
                options.extended_timeout is not None,
148
 
                options.interval is not None,
149
 
                options.approved_by_default is not None,
150
 
                options.approval_delay is not None,
151
 
                options.approval_duration is not None,
152
 
                options.host is not None,
153
 
                options.secret is not None,
154
 
                options.approve,
155
 
                options.deny))
156
 
 
157
 
def main():
158
 
    parser = argparse.ArgumentParser()
159
 
    parser.add_argument("--version", action="version",
160
 
                        version = "%%prog %s" % version,
161
 
                        help="show version number and exit")
162
 
    parser.add_argument("-a", "--all", action="store_true",
163
 
                        help="Select all clients")
164
 
    parser.add_argument("-v", "--verbose", action="store_true",
165
 
                        help="Print all fields")
166
 
    parser.add_argument("-e", "--enable", action="store_true",
167
 
                        help="Enable client")
168
 
    parser.add_argument("-d", "--disable", action="store_true",
169
 
                        help="disable client")
170
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
171
 
                        help="Bump timeout for client")
172
 
    parser.add_argument("--start-checker", action="store_true",
173
 
                        help="Start checker for client")
174
 
    parser.add_argument("--stop-checker", action="store_true",
175
 
                        help="Stop checker for client")
176
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
177
 
                        help="Check if client is enabled")
178
 
    parser.add_argument("-r", "--remove", action="store_true",
179
 
                        help="Remove client")
180
 
    parser.add_argument("-c", "--checker",
181
 
                        help="Set checker command for client")
182
 
    parser.add_argument("-t", "--timeout",
183
 
                        help="Set timeout for client")
184
 
    parser.add_argument("--extended-timeout",
185
 
                        help="Set extended timeout for client")
186
 
    parser.add_argument("-i", "--interval",
187
 
                        help="Set checker interval for client")
188
 
    parser.add_argument("--approve-by-default", action="store_true",
189
 
                        default=None, dest="approved_by_default",
190
 
                        help="Set client to be approved by default")
191
 
    parser.add_argument("--deny-by-default", action="store_false",
192
 
                        dest="approved_by_default",
193
 
                        help="Set client to be denied by default")
194
 
    parser.add_argument("--approval-delay",
195
 
                        help="Set delay before client approve/deny")
196
 
    parser.add_argument("--approval-duration",
197
 
                        help="Set duration of one client approval")
198
 
    parser.add_argument("-H", "--host", help="Set host for client")
199
 
    parser.add_argument("-s", "--secret", type=file,
200
 
                        help="Set password blob (file) for client")
201
 
    parser.add_argument("-A", "--approve", action="store_true",
202
 
                        help="Approve any current client request")
203
 
    parser.add_argument("-D", "--deny", action="store_true",
204
 
                        help="Deny any current client request")
205
 
    parser.add_argument("client", nargs="*", help="Client name")
206
 
    options = parser.parse_args()
207
 
    
208
 
    if has_actions(options) and not options.client and not options.all:
209
 
        parser.error("Options require clients names or --all.")
210
 
    if options.verbose and has_actions(options):
211
 
        parser.error("--verbose can only be used alone or with"
212
 
                     " --all.")
213
 
    if options.all and not has_actions(options):
214
 
        parser.error("--all requires an action.")
215
 
    
216
 
    try:
217
 
        bus = dbus.SystemBus()
218
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
219
 
    except dbus.exceptions.DBusException:
220
 
        print("Could not connect to Mandos server",
221
 
              file=sys.stderr)
222
 
        sys.exit(1)
223
 
    
224
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
225
 
                                 dbus_interface = server_interface)
226
 
    
227
 
    #block stderr since dbus library prints to stderr
228
 
    null = os.open(os.path.devnull, os.O_RDWR)
229
 
    stderrcopy = os.dup(sys.stderr.fileno())
230
 
    os.dup2(null, sys.stderr.fileno())
231
 
    os.close(null)
232
 
    try:
233
 
        try:
234
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
235
 
        finally:
236
 
            #restore stderr
237
 
            os.dup2(stderrcopy, sys.stderr.fileno())
238
 
            os.close(stderrcopy)
239
 
    except dbus.exceptions.DBusException, e:
240
 
        print("Access denied: Accessing mandos server through dbus.",
241
 
              file=sys.stderr)
242
 
        sys.exit(1)
243
 
    
244
 
    # Compile dict of (clients: properties) to process
245
 
    clients={}
246
 
    
247
 
    if options.all or not options.client:
248
 
        clients = dict((bus.get_object(busname, path), properties)
249
 
                       for path, properties in
250
 
                       mandos_clients.iteritems())
251
 
    else:
252
 
        for name in options.client:
253
 
            for path, client in mandos_clients.iteritems():
254
 
                if client["Name"] == name:
255
 
                    client_objc = bus.get_object(busname, path)
256
 
                    clients[client_objc] = client
257
 
                    break
258
 
            else:
259
 
                print("Client not found on server: %r" % name,
260
 
                      file=sys.stderr)
261
 
                sys.exit(1)
262
 
    
263
 
    if not has_actions(options) and clients:
264
 
        if options.verbose:
265
 
            keywords = ("Name", "Enabled", "Timeout",
266
 
                        "LastCheckedOK", "Created", "Interval",
267
 
                        "Host", "Fingerprint", "CheckerRunning",
268
 
                        "LastEnabled", "ApprovalPending",
269
 
                        "ApprovedByDefault",
270
 
                        "LastApprovalRequest", "ApprovalDelay",
271
 
                        "ApprovalDuration", "Checker",
272
 
                        "ExtendedTimeout")
273
 
        else:
274
 
            keywords = defaultkeywords
275
 
        
276
 
        print_clients(clients.values(), keywords)
277
 
    else:
278
 
        # Process each client in the list by all selected options
279
 
        for client in clients:
280
 
            if options.remove:
281
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
282
 
            if options.enable:
283
 
                client.Enable(dbus_interface=client_interface)
284
 
            if options.disable:
285
 
                client.Disable(dbus_interface=client_interface)
286
 
            if options.bump_timeout:
287
 
                client.CheckedOK(dbus_interface=client_interface)
288
 
            if options.start_checker:
289
 
                client.StartChecker(dbus_interface=client_interface)
290
 
            if options.stop_checker:
291
 
                client.StopChecker(dbus_interface=client_interface)
292
 
            if options.is_enabled:
293
 
                sys.exit(0 if client.Get(client_interface,
294
 
                                         "Enabled",
295
 
                                         dbus_interface=
296
 
                                         dbus.PROPERTIES_IFACE)
297
 
                         else 1)
298
 
            if options.checker is not None:
299
 
                client.Set(client_interface, "Checker",
300
 
                           options.checker,
301
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
302
 
            if options.host is not None:
303
 
                client.Set(client_interface, "Host", options.host,
304
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
305
 
            if options.interval is not None:
306
 
                client.Set(client_interface, "Interval",
307
 
                           timedelta_to_milliseconds
308
 
                           (string_to_delta(options.interval)),
309
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
310
 
            if options.approval_delay is not None:
311
 
                client.Set(client_interface, "ApprovalDelay",
312
 
                           timedelta_to_milliseconds
313
 
                           (string_to_delta(options.
314
 
                                            approval_delay)),
315
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
316
 
            if options.approval_duration is not None:
317
 
                client.Set(client_interface, "ApprovalDuration",
318
 
                           timedelta_to_milliseconds
319
 
                           (string_to_delta(options.
320
 
                                            approval_duration)),
321
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
322
 
            if options.timeout is not None:
323
 
                client.Set(client_interface, "Timeout",
324
 
                           timedelta_to_milliseconds
325
 
                           (string_to_delta(options.timeout)),
326
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
327
 
            if options.extended_timeout is not None:
328
 
                client.Set(client_interface, "ExtendedTimeout",
329
 
                           timedelta_to_milliseconds
330
 
                           (string_to_delta(options.extended_timeout)),
331
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
332
 
            if options.secret is not None:
333
 
                client.Set(client_interface, "Secret",
334
 
                           dbus.ByteArray(open(options.secret,
335
 
                                               "rb").read()),
336
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
337
 
            if options.approved_by_default is not None:
338
 
                client.Set(client_interface, "ApprovedByDefault",
339
 
                           dbus.Boolean(options
340
 
                                        .approved_by_default),
341
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
342
 
            if options.approve:
343
 
                client.Approve(dbus.Boolean(True),
344
 
                               dbus_interface=client_interface)
345
 
            elif options.deny:
346
 
                client.Approve(dbus.Boolean(False),
347
 
                               dbus_interface=client_interface)
348
 
 
349
 
if __name__ == "__main__":
350
 
    main()