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Code cleanup.

* mandos: Move some global stuff into classes.
  (server, group): Moved into "AvahiService".  All users changed.
  (AvahiService.group, AvahiService.server): New attributes.
  (entry_group_state_changed, server_state_changed): Moved into
                                                     "AvahiService".
                                                     All callers
                                                     changed.
  (AvahiService.cleanup, AvahiService.activate): New.
  (_datetime_to_dbus): Moved into "ClientDBus".  All callers changed.
  (ClientDBus._datetime_to_dbus): New.

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Lines of Context:
mandos-ctl
1
1
#!/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
 
# 
24
3
 
25
4
from __future__ import division
26
5
import sys
29
8
import locale
30
9
import datetime
31
10
import re
32
 
import os
33
11
 
34
12
locale.setlocale(locale.LC_ALL, u'')
35
13
 
36
14
tablewords = {
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',
 
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',
53
26
    }
54
 
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
 
27
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
 
28
                   'checker')
55
29
domain = 'se.bsnet.fukt'
56
30
busname = domain + '.Mandos'
57
31
server_path = '/'
58
32
server_interface = domain + '.Mandos'
59
33
client_interface = domain + '.Mandos.Client'
60
 
version = "1.2.2"
 
34
version = "1.0.8"
 
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()
61
40
 
62
 
def timedelta_to_milliseconds(td):
63
 
    "Convert a datetime.timedelta object to milliseconds"
64
 
    return ((td.days * 24 * 60 * 60 * 1000)
65
 
            + (td.seconds * 1000)
66
 
            + (td.microseconds // 1000))
 
41
def datetime_to_milliseconds(dt):
 
42
    "Return the 'timeout' attribute in milliseconds"
 
43
    return ((dt.days * 24 * 60 * 60 * 1000)
 
44
            + (dt.seconds * 1000)
 
45
            + (dt.microseconds // 1000))
67
46
 
68
47
def milliseconds_to_string(ms):
69
48
    td = datetime.timedelta(0, 0, 0, ms)
70
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
71
 
            % { "days": "%dT" % td.days if td.days else "",
72
 
                "hours": td.seconds // 3600,
73
 
                "minutes": (td.seconds % 3600) // 60,
74
 
                "seconds": td.seconds % 60,
75
 
                })
 
49
    return "%s%02d:%02d:%02d" % (("%dT" % td.days) if td.days else "", # days
 
50
                           td.seconds // 3600,        # hours
 
51
                           (td.seconds % 3600) // 60, # minutes
 
52
                           (td.seconds % 60))         # seconds
76
53
 
77
54
 
78
55
def string_to_delta(interval):
115
92
        timevalue += delta
116
93
    return timevalue
117
94
 
118
 
def print_clients(clients, keywords):
 
95
def print_clients(clients):
119
96
    def valuetostring(value, keyword):
120
97
        if type(value) is dbus.Boolean:
121
98
            return u"Yes" if value else u"No"
122
 
        if keyword in (u"Timeout", u"Interval", u"ApprovalDelay",
123
 
                       u"ApprovalDuration"):
 
99
        if keyword in ("timeout", "interval"):
124
100
            return milliseconds_to_string(value)
125
101
        return unicode(value)
126
102
    
127
 
    # Create format string to print table rows
128
103
    format_string = u' '.join(u'%%-%ds' %
129
104
                              max(len(tablewords[key]),
130
 
                                  max(len(valuetostring(client[key],
131
 
                                                        key))
 
105
                                  max(len(valuetostring(client[key], key))
132
106
                                      for client in
133
107
                                      clients))
134
108
                              for key in keywords)
135
 
    # Print header line
136
 
    print format_string % tuple(tablewords[key] for key in keywords)
 
109
    print format_string % tuple(tablewords[key] for key in keywords) 
137
110
    for client in clients:
138
111
        print format_string % tuple(valuetostring(client[key], key)
139
112
                                    for key in keywords)
140
113
 
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)
 
114
parser = OptionParser(version = "%%prog %s" % version)
 
115
parser.add_option("-a", "--all", action="store_true",
 
116
                  help="Print all fields")
 
117
parser.add_option("-e", "--enable", action="store_true",
 
118
                  help="Enable client")
 
119
parser.add_option("-d", "--disable", action="store_true",
 
120
                  help="disable client")
 
121
parser.add_option("-b", "--bump-timeout", action="store_true",
 
122
                  help="Bump timeout for client")
 
123
parser.add_option("--start-checker", action="store_true",
 
124
                  help="Start checker for client")
 
125
parser.add_option("--stop-checker", action="store_true",
 
126
                  help="Stop checker for client")
 
127
parser.add_option("-V", "--is-valid", action="store_true",
 
128
                  help="Check if client is still valid")
 
129
parser.add_option("-r", "--remove", action="store_true",
 
130
                  help="Remove client")
 
131
parser.add_option("-c", "--checker", type="string",
 
132
                  help="Set checker command for client")
 
133
parser.add_option("-t", "--timeout", type="string",
 
134
                  help="Set timeout for client")
 
135
parser.add_option("-i", "--interval", type="string",
 
136
                  help="Set checker interval for client")
 
137
parser.add_option("-H", "--host", type="string",
 
138
                  help="Set host for client")
 
139
parser.add_option("-s", "--secret", type="string",
 
140
                  help="Set password blob (file) for client")
 
141
options, client_names = parser.parse_args()
 
142
 
 
143
# Compile list of clients to process
 
144
clients=[]
 
145
for name in client_names:
 
146
    for path, client in mandos_clients.iteritems():
 
147
        if client['name'] == name:
 
148
            client_objc = bus.get_object(busname, path)
 
149
            clients.append(dbus.Interface(client_objc,
 
150
                                          dbus_interface
 
151
                                          = client_interface))
 
152
            break
 
153
    else:
 
154
        print >> sys.stderr, "Client not found on server: %r" % name
 
155
        sys.exit(1)
 
156
 
 
157
if not clients and mandos_clients.values():
 
158
    keywords = defaultkeywords
 
159
    if options.all:
 
160
        keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
 
161
                    'created', 'interval', 'host', 'fingerprint',
 
162
                    'checker_running', 'last_enabled', 'checker')
 
163
    print_clients(mandos_clients.values())
 
164
 
 
165
# Process each client in the list by all selected options
 
166
for client in clients:
 
167
    if options.remove:
 
168
        mandos_serv.RemoveClient(client.__dbus_object_path__)
 
169
    if options.enable:
 
170
        client.Enable()
 
171
    if options.disable:
 
172
        client.Disable()
 
173
    if options.bump_timeout:
 
174
        client.BumpTimeout()
 
175
    if options.start_checker:
 
176
        client.StartChecker()
 
177
    if options.stop_checker:
 
178
        client.StopChecker()
 
179
    if options.is_valid:
 
180
        sys.exit(0 if client.IsStillValid() else 1)
 
181
    if options.checker:
 
182
        client.SetChecker(options.checker)
 
183
    if options.host:
 
184
        client.SetHost(options.host)
 
185
    if options.interval:
 
186
        client.SetInterval(datetime_to_milliseconds
 
187
                           (string_to_delta(options.interval)))
 
188
    if options.timeout:
 
189
        client.SetTimeout(datetime_to_milliseconds
 
190
                          (string_to_delta(options.timeout)))
 
191
    if options.secret:
 
192
        client.SetSecret(dbus.ByteArray(open(options.secret, 'rb').read()))
220
193
    
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()