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#!/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 © 2008-2010 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
 
 
25
from __future__ import (division, absolute_import, print_function,
 
26
                        unicode_literals)
 
27
 
5
28
import sys
6
29
import dbus
7
30
from optparse import OptionParser
8
31
import locale
9
32
import datetime
10
33
import re
 
34
import os
11
35
 
12
 
locale.setlocale(locale.LC_ALL, u'')
 
36
locale.setlocale(locale.LC_ALL, "")
13
37
 
14
38
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',
 
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",
26
55
    }
27
 
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
28
 
                   'checker')
29
 
busname = 'org.mandos-system.Mandos'
30
 
server_path = '/Mandos'
31
 
server_interface = 'org.mandos_system.Mandos'
32
 
client_interface = 'org.mandos_system.Mandos.Client'
33
 
version = "1.0.5"
34
 
 
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 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))
 
56
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
57
domain = "se.bsnet.fukt"
 
58
busname = domain + ".Mandos"
 
59
server_path = "/"
 
60
server_interface = domain + ".Mandos"
 
61
client_interface = domain + ".Mandos.Client"
 
62
version = "1.2.3"
 
63
 
 
64
def timedelta_to_milliseconds(td):
 
65
    """Convert a datetime.timedelta object to milliseconds"""
 
66
    return ((td.days * 24 * 60 * 60 * 1000)
 
67
            + (td.seconds * 1000)
 
68
            + (td.microseconds // 1000))
46
69
 
47
70
def milliseconds_to_string(ms):
48
71
    td = datetime.timedelta(0, 0, 0, ms)
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
 
72
    return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
 
73
            % { "days": "%dT" % td.days if td.days else "",
 
74
                "hours": td.seconds // 3600,
 
75
                "minutes": (td.seconds % 3600) // 60,
 
76
                "seconds": td.seconds % 60,
 
77
                })
53
78
 
54
79
 
55
80
def string_to_delta(interval):
56
81
    """Parse a string and return a datetime.timedelta
57
82
 
58
 
    >>> string_to_delta('7d')
 
83
    >>> string_to_delta("7d")
59
84
    datetime.timedelta(7)
60
 
    >>> string_to_delta('60s')
 
85
    >>> string_to_delta("60s")
61
86
    datetime.timedelta(0, 60)
62
 
    >>> string_to_delta('60m')
 
87
    >>> string_to_delta("60m")
63
88
    datetime.timedelta(0, 3600)
64
 
    >>> string_to_delta('24h')
 
89
    >>> string_to_delta("24h")
65
90
    datetime.timedelta(1)
66
 
    >>> string_to_delta(u'1w')
 
91
    >>> string_to_delta("1w")
67
92
    datetime.timedelta(7)
68
 
    >>> string_to_delta('5m 30s')
 
93
    >>> string_to_delta("5m 30s")
69
94
    datetime.timedelta(0, 330)
70
95
    """
71
96
    timevalue = datetime.timedelta(0)
75
100
        try:
76
101
            suffix = unicode(s[-1])
77
102
            value = int(s[:-1])
78
 
            if suffix == u"d":
 
103
            if suffix == "d":
79
104
                delta = datetime.timedelta(value)
80
 
            elif suffix == u"s":
 
105
            elif suffix == "s":
81
106
                delta = datetime.timedelta(0, value)
82
 
            elif suffix == u"m":
 
107
            elif suffix == "m":
83
108
                delta = datetime.timedelta(0, 0, 0, 0, value)
84
 
            elif suffix == u"h":
 
109
            elif suffix == "h":
85
110
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
86
 
            elif suffix == u"w":
 
111
            elif suffix == "w":
87
112
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
88
113
            else:
89
114
                raise ValueError
92
117
        timevalue += delta
93
118
    return timevalue
94
119
 
95
 
def print_clients(clients):
 
120
def print_clients(clients, keywords):
96
121
    def valuetostring(value, keyword):
97
122
        if type(value) is dbus.Boolean:
98
 
            return u"Yes" if value else u"No"
99
 
        if keyword in ("timeout", "interval"):
 
123
            return "Yes" if value else "No"
 
124
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
125
                       "ApprovalDuration"):
100
126
            return milliseconds_to_string(value)
101
127
        return unicode(value)
102
128
    
103
 
    format_string = u' '.join(u'%%-%ds' %
104
 
                              max(len(tablewords[key]),
105
 
                                  max(len(valuetostring(client[key], key))
106
 
                                      for client in
107
 
                                      clients))
108
 
                              for key in keywords)
109
 
    print format_string % tuple(tablewords[key] for key in keywords) 
 
129
    # Create format string to print table rows
 
130
    format_string = " ".join("%%-%ds" %
 
131
                             max(len(tablewords[key]),
 
132
                                 max(len(valuetostring(client[key],
 
133
                                                       key))
 
134
                                     for client in
 
135
                                     clients))
 
136
                             for key in keywords)
 
137
    # Print header line
 
138
    print(format_string % tuple(tablewords[key] for key in keywords))
110
139
    for client in clients:
111
 
        print format_string % tuple(valuetostring(client[key], key)
112
 
                                    for key in keywords)
113
 
 
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()))
 
140
        print(format_string % tuple(valuetostring(client[key], key)
 
141
                                    for key in keywords))
 
142
 
 
143
def has_actions(options):
 
144
    return any((options.enable,
 
145
                options.disable,
 
146
                options.bump_timeout,
 
147
                options.start_checker,
 
148
                options.stop_checker,
 
149
                options.is_enabled,
 
150
                options.remove,
 
151
                options.checker is not None,
 
152
                options.timeout is not None,
 
153
                options.interval is not None,
 
154
                options.approved_by_default is not None,
 
155
                options.approval_delay is not None,
 
156
                options.approval_duration is not None,
 
157
                options.host is not None,
 
158
                options.secret is not None,
 
159
                options.approve,
 
160
                options.deny))
 
161
        
 
162
def main():
 
163
        parser = OptionParser(version = "%%prog %s" % version)
 
164
        parser.add_option("-a", "--all", action="store_true",
 
165
                          help="Select all clients")
 
166
        parser.add_option("-v", "--verbose", action="store_true",
 
167
                          help="Print all fields")
 
168
        parser.add_option("-e", "--enable", action="store_true",
 
169
                          help="Enable client")
 
170
        parser.add_option("-d", "--disable", action="store_true",
 
171
                          help="disable client")
 
172
        parser.add_option("-b", "--bump-timeout", action="store_true",
 
173
                          help="Bump timeout for client")
 
174
        parser.add_option("--start-checker", action="store_true",
 
175
                          help="Start checker for client")
 
176
        parser.add_option("--stop-checker", action="store_true",
 
177
                          help="Stop checker for client")
 
178
        parser.add_option("-V", "--is-enabled", action="store_true",
 
179
                          help="Check if client is enabled")
 
180
        parser.add_option("-r", "--remove", action="store_true",
 
181
                          help="Remove client")
 
182
        parser.add_option("-c", "--checker", type="string",
 
183
                          help="Set checker command for client")
 
184
        parser.add_option("-t", "--timeout", type="string",
 
185
                          help="Set timeout for client")
 
186
        parser.add_option("-i", "--interval", type="string",
 
187
                          help="Set checker interval for client")
 
188
        parser.add_option("--approve-by-default", action="store_true",
 
189
                          dest="approved_by_default",
 
190
                          help="Set client to be approved by default")
 
191
        parser.add_option("--deny-by-default", action="store_false",
 
192
                          dest="approved_by_default",
 
193
                          help="Set client to be denied by default")
 
194
        parser.add_option("--approval-delay", type="string",
 
195
                          help="Set delay before client approve/deny")
 
196
        parser.add_option("--approval-duration", type="string",
 
197
                          help="Set duration of one client approval")
 
198
        parser.add_option("-H", "--host", type="string",
 
199
                          help="Set host for client")
 
200
        parser.add_option("-s", "--secret", type="string",
 
201
                          help="Set password blob (file) for client")
 
202
        parser.add_option("-A", "--approve", action="store_true",
 
203
                          help="Approve any current client request")
 
204
        parser.add_option("-D", "--deny", action="store_true",
 
205
                          help="Deny any current client request")
 
206
        options, client_names = parser.parse_args()
 
207
        
 
208
        if has_actions(options) and not client_names 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)
193
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 client_names:
 
248
            clients = dict((bus.get_object(busname, path), properties)
 
249
                           for path, properties in
 
250
                           mandos_clients.iteritems())
 
251
        else:
 
252
            for name in client_names:
 
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
            else:
 
273
                keywords = defaultkeywords
 
274
            
 
275
            print_clients(clients.values(), keywords)
 
276
        else:
 
277
            # Process each client in the list by all selected options
 
278
            for client in clients:
 
279
                if options.remove:
 
280
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
 
281
                if options.enable:
 
282
                    client.Enable(dbus_interface=client_interface)
 
283
                if options.disable:
 
284
                    client.Disable(dbus_interface=client_interface)
 
285
                if options.bump_timeout:
 
286
                    client.CheckedOK(dbus_interface=client_interface)
 
287
                if options.start_checker:
 
288
                    client.StartChecker(dbus_interface=client_interface)
 
289
                if options.stop_checker:
 
290
                    client.StopChecker(dbus_interface=client_interface)
 
291
                if options.is_enabled:
 
292
                    sys.exit(0 if client.Get(client_interface,
 
293
                                             "Enabled",
 
294
                                             dbus_interface=dbus.PROPERTIES_IFACE)
 
295
                             else 1)
 
296
                if options.checker:
 
297
                    client.Set(client_interface, "Checker", options.checker,
 
298
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
299
                if options.host:
 
300
                    client.Set(client_interface, "Host", options.host,
 
301
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
302
                if options.interval:
 
303
                    client.Set(client_interface, "Interval",
 
304
                               timedelta_to_milliseconds
 
305
                               (string_to_delta(options.interval)),
 
306
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
307
                if options.approval_delay:
 
308
                    client.Set(client_interface, "ApprovalDelay",
 
309
                               timedelta_to_milliseconds
 
310
                               (string_to_delta(options.
 
311
                                                approval_delay)),
 
312
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
313
                if options.approval_duration:
 
314
                    client.Set(client_interface, "ApprovalDuration",
 
315
                               timedelta_to_milliseconds
 
316
                               (string_to_delta(options.
 
317
                                                approval_duration)),
 
318
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
319
                if options.timeout:
 
320
                    client.Set(client_interface, "Timeout",
 
321
                               timedelta_to_milliseconds
 
322
                               (string_to_delta(options.timeout)),
 
323
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
324
                if options.secret:
 
325
                    client.Set(client_interface, "Secret",
 
326
                               dbus.ByteArray(open(options.secret,
 
327
                                                   "rb").read()),
 
328
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
329
                if options.approved_by_default is not None:
 
330
                    client.Set(client_interface, "ApprovedByDefault",
 
331
                               dbus.Boolean(options
 
332
                                            .approved_by_default),
 
333
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
334
                if options.approve:
 
335
                    client.Approve(dbus.Boolean(True),
 
336
                                   dbus_interface=client_interface)
 
337
                elif options.deny:
 
338
                    client.Approve(dbus.Boolean(False),
 
339
                                   dbus_interface=client_interface)
 
340
 
 
341
if __name__ == "__main__":
 
342
    main()