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  • Committer: teddy at bsnet
  • Date: 2010-10-08 18:00:11 UTC
  • Revision ID: teddy@fukt.bsnet.se-20101008180011-474ehljotrcn3sba
* mandos (main): Bug fix: Fork before connecting to D-Bus.

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mandos-ctl
1
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#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
 
3
# 
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
# 
 
6
# Copyright © 2008-2010 Teddy Hogeborn
 
7
# Copyright © 2008-2010 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@fukt.bsnet.se>.
 
23
# 
3
24
 
4
25
from __future__ import division
5
26
import sys
8
29
import locale
9
30
import datetime
10
31
import re
 
32
import os
11
33
 
12
34
locale.setlocale(locale.LC_ALL, u'')
13
35
 
14
36
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',
 
37
    'Name': u'Name',
 
38
    'Enabled': u'Enabled',
 
39
    'Timeout': u'Timeout',
 
40
    'LastCheckedOK': u'Last Successful Check',
 
41
    'LastApprovalRequest': u'Last Approval Request',
 
42
    'Created': u'Created',
 
43
    'Interval': u'Interval',
 
44
    'Host': u'Host',
 
45
    'Fingerprint': u'Fingerprint',
 
46
    'CheckerRunning': u'Check Is Running',
 
47
    'LastEnabled': u'Last Enabled',
 
48
    'ApprovalPending': u'Approval Is Pending',
 
49
    'ApprovedByDefault': u'Approved By Default',
 
50
    'ApprovalDelay': u"Approval Delay",
 
51
    'ApprovalDuration': u"Approval Duration",
 
52
    'Checker': u'Checker',
26
53
    }
27
 
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok')
 
54
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
28
55
domain = 'se.bsnet.fukt'
29
56
busname = domain + '.Mandos'
30
57
server_path = '/'
31
58
server_interface = domain + '.Mandos'
32
59
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.14"
34
 
bus = dbus.SystemBus()
35
 
mandos_dbus_objc = bus.get_object(busname, server_path)
36
 
mandos_serv = dbus.Interface(mandos_dbus_objc,
37
 
                             dbus_interface = server_interface)
38
 
mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
60
version = "1.2.2"
39
61
 
40
62
def timedelta_to_milliseconds(td):
41
63
    "Convert a datetime.timedelta object to milliseconds"
93
115
        timevalue += delta
94
116
    return timevalue
95
117
 
96
 
def print_clients(clients):
 
118
def print_clients(clients, keywords):
97
119
    def valuetostring(value, keyword):
98
120
        if type(value) is dbus.Boolean:
99
121
            return u"Yes" if value else u"No"
100
 
        if keyword in (u"timeout", u"interval"):
 
122
        if keyword in (u"Timeout", u"Interval", u"ApprovalDelay",
 
123
                       u"ApprovalDuration"):
101
124
            return milliseconds_to_string(value)
102
125
        return unicode(value)
103
126
    
104
127
    # Create format string to print table rows
105
128
    format_string = u' '.join(u'%%-%ds' %
106
129
                              max(len(tablewords[key]),
107
 
                                  max(len(valuetostring(client[key], key))
 
130
                                  max(len(valuetostring(client[key],
 
131
                                                        key))
108
132
                                      for client in
109
133
                                      clients))
110
134
                              for key in keywords)
114
138
        print format_string % tuple(valuetostring(client[key], key)
115
139
                                    for key in keywords)
116
140
 
117
 
parser = OptionParser(version = "%%prog %s" % version)
118
 
parser.add_option("-a", "--all", action="store_true",
119
 
                  help="Print all fields")
120
 
parser.add_option("-e", "--enable", action="store_true",
121
 
                  help="Enable client")
122
 
parser.add_option("-d", "--disable", action="store_true",
123
 
                  help="disable client")
124
 
parser.add_option("-b", "--bump-timeout", action="store_true",
125
 
                  help="Bump timeout for client")
126
 
parser.add_option("--start-checker", action="store_true",
127
 
                  help="Start checker for client")
128
 
parser.add_option("--stop-checker", action="store_true",
129
 
                  help="Stop checker for client")
130
 
parser.add_option("-V", "--is-enabled", action="store_true",
131
 
                  help="Check if client is enabled")
132
 
parser.add_option("-r", "--remove", action="store_true",
133
 
                  help="Remove client")
134
 
parser.add_option("-c", "--checker", type="string",
135
 
                  help="Set checker command for client")
136
 
parser.add_option("-t", "--timeout", type="string",
137
 
                  help="Set timeout for client")
138
 
parser.add_option("-i", "--interval", type="string",
139
 
                  help="Set checker interval for client")
140
 
parser.add_option("-H", "--host", type="string",
141
 
                  help="Set host for client")
142
 
parser.add_option("-s", "--secret", type="string",
143
 
                  help="Set password blob (file) for client")
144
 
options, client_names = parser.parse_args()
145
 
 
146
 
# Compile list of clients to process
147
 
clients=[]
148
 
for name in client_names:
149
 
    for path, client in mandos_clients.iteritems():
150
 
        if client['name'] == name:
151
 
            client_objc = bus.get_object(busname, path)
152
 
            clients.append(client_objc)
153
 
            break
154
 
    else:
155
 
        print >> sys.stderr, "Client not found on server: %r" % name
156
 
        sys.exit(1)
157
 
 
158
 
if not clients and mandos_clients.values():
159
 
    keywords = defaultkeywords
160
 
    if options.all:
161
 
        keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
162
 
                    'created', 'interval', 'host', 'fingerprint',
163
 
                    'checker_running', 'last_enabled', 'checker')
164
 
    print_clients(mandos_clients.values())
165
 
 
166
 
# Process each client in the list by all selected options
167
 
for client in clients:
168
 
    if options.remove:
169
 
        mandos_serv.RemoveClient(client.__dbus_object_path__)
170
 
    if options.enable:
171
 
        client.Enable(dbus_interface=client_interface)
172
 
    if options.disable:
173
 
        client.Disable(dbus_interface=client_interface)
174
 
    if options.bump_timeout:
175
 
        client.CheckedOK(dbus_interface=client_interface)
176
 
    if options.start_checker:
177
 
        client.StartChecker(dbus_interface=client_interface)
178
 
    if options.stop_checker:
179
 
        client.StopChecker(dbus_interface=client_interface)
180
 
    if options.is_enabled:
181
 
        sys.exit(0 if client.Get(client_interface,
182
 
                                 u"enabled",
183
 
                                 dbus_interface=dbus.PROPERTIES_IFACE)
184
 
                 else 1)
185
 
    if options.checker:
186
 
        client.Set(client_interface, u"checker", options.checker,
187
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
188
 
    if options.host:
189
 
        client.Set(client_interface, u"host", options.host,
190
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
191
 
    if options.interval:
192
 
        client.Set(client_interface, u"interval",
193
 
                   timedelta_to_milliseconds
194
 
                   (string_to_delta(options.interval)),
195
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
196
 
    if options.timeout:
197
 
        client.Set(client_interface, u"timeout",
198
 
                   timedelta_to_milliseconds(string_to_delta
199
 
                                             (options.timeout)),
200
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
201
 
    if options.secret:
202
 
        client.Set(client_interface, u"secret",
203
 
                   dbus.ByteArray(open(options.secret, u'rb').read()),
204
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
141
def has_actions(options):
 
142
    return any((options.enable,
 
143
                options.disable,
 
144
                options.bump_timeout,
 
145
                options.start_checker,
 
146
                options.stop_checker,
 
147
                options.is_enabled,
 
148
                options.remove,
 
149
                options.checker is not None,
 
150
                options.timeout is not None,
 
151
                options.interval is not None,
 
152
                options.approved_by_default is not None,
 
153
                options.approval_delay is not None,
 
154
                options.approval_duration is not None,
 
155
                options.host is not None,
 
156
                options.secret is not None,
 
157
                options.approve,
 
158
                options.deny))
 
159
        
 
160
def main():
 
161
        parser = OptionParser(version = "%%prog %s" % version)
 
162
        parser.add_option("-a", "--all", action="store_true",
 
163
                          help="Select all clients")
 
164
        parser.add_option("-v", "--verbose", action="store_true",
 
165
                          help="Print all fields")
 
166
        parser.add_option("-e", "--enable", action="store_true",
 
167
                          help="Enable client")
 
168
        parser.add_option("-d", "--disable", action="store_true",
 
169
                          help="disable client")
 
170
        parser.add_option("-b", "--bump-timeout", action="store_true",
 
171
                          help="Bump timeout for client")
 
172
        parser.add_option("--start-checker", action="store_true",
 
173
                          help="Start checker for client")
 
174
        parser.add_option("--stop-checker", action="store_true",
 
175
                          help="Stop checker for client")
 
176
        parser.add_option("-V", "--is-enabled", action="store_true",
 
177
                          help="Check if client is enabled")
 
178
        parser.add_option("-r", "--remove", action="store_true",
 
179
                          help="Remove client")
 
180
        parser.add_option("-c", "--checker", type="string",
 
181
                          help="Set checker command for client")
 
182
        parser.add_option("-t", "--timeout", type="string",
 
183
                          help="Set timeout for client")
 
184
        parser.add_option("-i", "--interval", type="string",
 
185
                          help="Set checker interval for client")
 
186
        parser.add_option("--approve-by-default", action="store_true",
 
187
                          dest=u"approved_by_default",
 
188
                          help="Set client to be approved by default")
 
189
        parser.add_option("--deny-by-default", action="store_false",
 
190
                          dest=u"approved_by_default",
 
191
                          help="Set client to be denied by default")
 
192
        parser.add_option("--approval-delay", type="string",
 
193
                          help="Set delay before client approve/deny")
 
194
        parser.add_option("--approval-duration", type="string",
 
195
                          help="Set duration of one client approval")
 
196
        parser.add_option("-H", "--host", type="string",
 
197
                          help="Set host for client")
 
198
        parser.add_option("-s", "--secret", type="string",
 
199
                          help="Set password blob (file) for client")
 
200
        parser.add_option("-A", "--approve", action="store_true",
 
201
                          help="Approve any current client request")
 
202
        parser.add_option("-D", "--deny", action="store_true",
 
203
                          help="Deny any current client request")
 
204
        options, client_names = parser.parse_args()
 
205
        
 
206
        if has_actions(options) and not client_names and not options.all:
 
207
            parser.error('Options require clients names or --all.')
 
208
        if options.verbose and has_actions(options):
 
209
            parser.error('--verbose can only be used alone or with'
 
210
                         ' --all.')
 
211
        if options.all and not has_actions(options):
 
212
            parser.error('--all requires an action.')
 
213
        
 
214
        try:
 
215
            bus = dbus.SystemBus()
 
216
            mandos_dbus_objc = bus.get_object(busname, server_path)
 
217
        except dbus.exceptions.DBusException:
 
218
            print >> sys.stderr, "Could not connect to Mandos server"
 
219
            sys.exit(1)
 
220
    
 
221
        mandos_serv = dbus.Interface(mandos_dbus_objc,
 
222
                                     dbus_interface = server_interface)
 
223
 
 
224
        #block stderr since dbus library prints to stderr
 
225
        null = os.open(os.path.devnull, os.O_RDWR)
 
226
        stderrcopy = os.dup(sys.stderr.fileno())
 
227
        os.dup2(null, sys.stderr.fileno())
 
228
        os.close(null)
 
229
        try:
 
230
            try:
 
231
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
232
            finally:
 
233
                #restore stderr
 
234
                os.dup2(stderrcopy, sys.stderr.fileno())
 
235
                os.close(stderrcopy)
 
236
        except dbus.exceptions.DBusException, e:
 
237
            print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
 
238
            sys.exit(1)
 
239
            
 
240
        # Compile dict of (clients: properties) to process
 
241
        clients={}
 
242
        
 
243
        if options.all or not client_names:
 
244
            clients = dict((bus.get_object(busname, path), properties)
 
245
                           for path, properties in
 
246
                           mandos_clients.iteritems())
 
247
        else:
 
248
            for name in client_names:
 
249
                for path, client in mandos_clients.iteritems():
 
250
                    if client['Name'] == name:
 
251
                        client_objc = bus.get_object(busname, path)
 
252
                        clients[client_objc] = client
 
253
                        break
 
254
                else:
 
255
                    print >> sys.stderr, "Client not found on server: %r" % name
 
256
                    sys.exit(1)
 
257
            
 
258
        if not has_actions(options) and clients:
 
259
            if options.verbose:
 
260
                keywords = ('Name', 'Enabled', 'Timeout',
 
261
                            'LastCheckedOK', 'Created', 'Interval',
 
262
                            'Host', 'Fingerprint', 'CheckerRunning',
 
263
                            'LastEnabled', 'ApprovalPending',
 
264
                            'ApprovedByDefault',
 
265
                            'LastApprovalRequest', 'ApprovalDelay',
 
266
                            'ApprovalDuration', 'Checker')
 
267
            else:
 
268
                keywords = defaultkeywords
 
269
            
 
270
            print_clients(clients.values(), keywords)
 
271
        else:
 
272
            # Process each client in the list by all selected options
 
273
            for client in clients:
 
274
                if options.remove:
 
275
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
 
276
                if options.enable:
 
277
                    client.Enable(dbus_interface=client_interface)
 
278
                if options.disable:
 
279
                    client.Disable(dbus_interface=client_interface)
 
280
                if options.bump_timeout:
 
281
                    client.CheckedOK(dbus_interface=client_interface)
 
282
                if options.start_checker:
 
283
                    client.StartChecker(dbus_interface=client_interface)
 
284
                if options.stop_checker:
 
285
                    client.StopChecker(dbus_interface=client_interface)
 
286
                if options.is_enabled:
 
287
                    sys.exit(0 if client.Get(client_interface,
 
288
                                             u"Enabled",
 
289
                                             dbus_interface=dbus.PROPERTIES_IFACE)
 
290
                             else 1)
 
291
                if options.checker:
 
292
                    client.Set(client_interface, u"Checker", options.checker,
 
293
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
294
                if options.host:
 
295
                    client.Set(client_interface, u"Host", options.host,
 
296
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
297
                if options.interval:
 
298
                    client.Set(client_interface, u"Interval",
 
299
                               timedelta_to_milliseconds
 
300
                               (string_to_delta(options.interval)),
 
301
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
302
                if options.approval_delay:
 
303
                    client.Set(client_interface, u"ApprovalDelay",
 
304
                               timedelta_to_milliseconds
 
305
                               (string_to_delta(options.
 
306
                                                approval_delay)),
 
307
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
308
                if options.approval_duration:
 
309
                    client.Set(client_interface, u"ApprovalDuration",
 
310
                               timedelta_to_milliseconds
 
311
                               (string_to_delta(options.
 
312
                                                approval_duration)),
 
313
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
314
                if options.timeout:
 
315
                    client.Set(client_interface, u"Timeout",
 
316
                               timedelta_to_milliseconds
 
317
                               (string_to_delta(options.timeout)),
 
318
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
319
                if options.secret:
 
320
                    client.Set(client_interface, u"Secret",
 
321
                               dbus.ByteArray(open(options.secret,
 
322
                                                   u'rb').read()),
 
323
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
324
                if options.approved_by_default is not None:
 
325
                    client.Set(client_interface, u"ApprovedByDefault",
 
326
                               dbus.Boolean(options
 
327
                                            .approved_by_default),
 
328
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
329
                if options.approve:
 
330
                    client.Approve(dbus.Boolean(True),
 
331
                                   dbus_interface=client_interface)
 
332
                elif options.deny:
 
333
                    client.Approve(dbus.Boolean(False),
 
334
                                   dbus_interface=client_interface)
 
335
 
 
336
if __name__ == '__main__':
 
337
    main()