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mandos-ctl
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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 © 2008-2011 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
 
 
 
3
 
 
4
from __future__ import division
28
5
import sys
29
6
import dbus
30
 
import argparse
 
7
from optparse import OptionParser
31
8
import locale
32
9
import datetime
33
10
import re
34
11
import os
35
12
 
36
 
locale.setlocale(locale.LC_ALL, "")
 
13
locale.setlocale(locale.LC_ALL, u'')
37
14
 
38
15
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"
 
16
    'Name': u'Name',
 
17
    'Enabled': u'Enabled',
 
18
    'Timeout': u'Timeout',
 
19
    'LastCheckedOK': u'Last Successful Check',
 
20
    'Created': u'Created',
 
21
    'Interval': u'Interval',
 
22
    'Host': u'Host',
 
23
    'Fingerprint': u'Fingerprint',
 
24
    'CheckerRunning': u'Check Is Running',
 
25
    'LastEnabled': u'Last Enabled',
 
26
    'Checker': u'Checker',
56
27
    }
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"
 
28
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
 
29
domain = 'se.bsnet.fukt'
 
30
busname = domain + '.Mandos'
 
31
server_path = '/'
 
32
server_interface = domain + '.Mandos'
 
33
client_interface = domain + '.Mandos.Client'
 
34
version = "1.0.14"
64
35
 
65
36
def timedelta_to_milliseconds(td):
66
 
    """Convert a datetime.timedelta object to milliseconds"""
 
37
    "Convert a datetime.timedelta object to milliseconds"
67
38
    return ((td.days * 24 * 60 * 60 * 1000)
68
39
            + (td.seconds * 1000)
69
40
            + (td.microseconds // 1000))
70
41
 
71
42
def milliseconds_to_string(ms):
72
43
    td = datetime.timedelta(0, 0, 0, ms)
73
 
    return ("%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
 
44
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
74
45
            % { "days": "%dT" % td.days if td.days else "",
75
46
                "hours": td.seconds // 3600,
76
47
                "minutes": (td.seconds % 3600) // 60,
77
48
                "seconds": td.seconds % 60,
78
49
                })
79
50
 
 
51
 
80
52
def string_to_delta(interval):
81
53
    """Parse a string and return a datetime.timedelta
82
 
    
83
 
    >>> string_to_delta("7d")
 
54
 
 
55
    >>> string_to_delta('7d')
84
56
    datetime.timedelta(7)
85
 
    >>> string_to_delta("60s")
 
57
    >>> string_to_delta('60s')
86
58
    datetime.timedelta(0, 60)
87
 
    >>> string_to_delta("60m")
 
59
    >>> string_to_delta('60m')
88
60
    datetime.timedelta(0, 3600)
89
 
    >>> string_to_delta("24h")
 
61
    >>> string_to_delta('24h')
90
62
    datetime.timedelta(1)
91
 
    >>> string_to_delta("1w")
 
63
    >>> string_to_delta(u'1w')
92
64
    datetime.timedelta(7)
93
 
    >>> string_to_delta("5m 30s")
 
65
    >>> string_to_delta('5m 30s')
94
66
    datetime.timedelta(0, 330)
95
67
    """
96
68
    timevalue = datetime.timedelta(0)
100
72
        try:
101
73
            suffix = unicode(s[-1])
102
74
            value = int(s[:-1])
103
 
            if suffix == "d":
 
75
            if suffix == u"d":
104
76
                delta = datetime.timedelta(value)
105
 
            elif suffix == "s":
 
77
            elif suffix == u"s":
106
78
                delta = datetime.timedelta(0, value)
107
 
            elif suffix == "m":
 
79
            elif suffix == u"m":
108
80
                delta = datetime.timedelta(0, 0, 0, 0, value)
109
 
            elif suffix == "h":
 
81
            elif suffix == u"h":
110
82
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
111
 
            elif suffix == "w":
 
83
            elif suffix == u"w":
112
84
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
113
85
            else:
114
86
                raise ValueError
120
92
def print_clients(clients, keywords):
121
93
    def valuetostring(value, keyword):
122
94
        if type(value) is dbus.Boolean:
123
 
            return "Yes" if value else "No"
124
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
125
 
                       "ApprovalDuration"):
 
95
            return u"Yes" if value else u"No"
 
96
        if keyword in (u"timeout", u"interval"):
126
97
            return milliseconds_to_string(value)
127
98
        return unicode(value)
128
99
    
129
100
    # 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)
 
101
    format_string = u' '.join(u'%%-%ds' %
 
102
                              max(len(tablewords[key]),
 
103
                                  max(len(valuetostring(client[key],
 
104
                                                        key))
 
105
                                      for client in
 
106
                                      clients))
 
107
                              for key in keywords)
137
108
    # Print header line
138
 
    print(format_string % tuple(tablewords[key] for key in keywords))
 
109
    print format_string % tuple(tablewords[key] for key in keywords)
139
110
    for client in clients:
140
 
        print(format_string % tuple(valuetostring(client[key], key)
141
 
                                    for key in keywords))
142
 
 
 
111
        print format_string % tuple(valuetostring(client[key], key)
 
112
                                    for key in keywords)
143
113
def has_actions(options):
144
114
    return any((options.enable,
145
115
                options.disable,
150
120
                options.remove,
151
121
                options.checker is not None,
152
122
                options.timeout is not None,
153
 
                options.extended_timeout is not None,
154
123
                options.interval is not None,
155
 
                options.approved_by_default is not None,
156
 
                options.approval_delay is not None,
157
 
                options.approval_duration is not None,
158
124
                options.host is not None,
159
125
                options.secret is not None,
160
126
                options.approve,
161
127
                options.deny))
162
 
 
 
128
        
163
129
def main():
164
 
    parser = argparse.ArgumentParser()
165
 
    parser.add_argument("--version", action="version",
166
 
                        version = "%%prog %s" % version,
167
 
                        help="show version number and exit")
168
 
    parser.add_argument("-a", "--all", action="store_true",
169
 
                        help="Select all clients")
170
 
    parser.add_argument("-v", "--verbose", action="store_true",
171
 
                        help="Print all fields")
172
 
    parser.add_argument("-e", "--enable", action="store_true",
173
 
                        help="Enable client")
174
 
    parser.add_argument("-d", "--disable", action="store_true",
175
 
                        help="disable client")
176
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
177
 
                        help="Bump timeout for client")
178
 
    parser.add_argument("--start-checker", action="store_true",
179
 
                        help="Start checker for client")
180
 
    parser.add_argument("--stop-checker", action="store_true",
181
 
                        help="Stop checker for client")
182
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
183
 
                        help="Check if client is enabled")
184
 
    parser.add_argument("-r", "--remove", action="store_true",
185
 
                        help="Remove client")
186
 
    parser.add_argument("-c", "--checker",
187
 
                        help="Set checker command for client")
188
 
    parser.add_argument("-t", "--timeout",
189
 
                        help="Set timeout for client")
190
 
    parser.add_argument("--extended-timeout",
191
 
                        help="Set extended timeout for client")
192
 
    parser.add_argument("-i", "--interval",
193
 
                        help="Set checker interval for client")
194
 
    parser.add_argument("--approve-by-default", action="store_true",
195
 
                        default=None, dest="approved_by_default",
196
 
                        help="Set client to be approved by default")
197
 
    parser.add_argument("--deny-by-default", action="store_false",
198
 
                        dest="approved_by_default",
199
 
                        help="Set client to be denied by default")
200
 
    parser.add_argument("--approval-delay",
201
 
                        help="Set delay before client approve/deny")
202
 
    parser.add_argument("--approval-duration",
203
 
                        help="Set duration of one client approval")
204
 
    parser.add_argument("-H", "--host", help="Set host for client")
205
 
    parser.add_argument("-s", "--secret", type=file,
206
 
                        help="Set password blob (file) for client")
207
 
    parser.add_argument("-A", "--approve", action="store_true",
208
 
                        help="Approve any current client request")
209
 
    parser.add_argument("-D", "--deny", action="store_true",
210
 
                        help="Deny any current client request")
211
 
    parser.add_argument("client", nargs="*", help="Client name")
212
 
    options = parser.parse_args()
213
 
    
214
 
    if has_actions(options) and not options.client and not options.all:
215
 
        parser.error("Options require clients names or --all.")
216
 
    if options.verbose and has_actions(options):
217
 
        parser.error("--verbose can only be used alone or with"
218
 
                     " --all.")
219
 
    if options.all and not has_actions(options):
220
 
        parser.error("--all requires an action.")
221
 
    
222
 
    try:
223
 
        bus = dbus.SystemBus()
224
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
225
 
    except dbus.exceptions.DBusException:
226
 
        print("Could not connect to Mandos server",
227
 
              file=sys.stderr)
228
 
        sys.exit(1)
229
 
    
230
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
231
 
                                 dbus_interface = server_interface)
232
 
    
233
 
    #block stderr since dbus library prints to stderr
234
 
    null = os.open(os.path.devnull, os.O_RDWR)
235
 
    stderrcopy = os.dup(sys.stderr.fileno())
236
 
    os.dup2(null, sys.stderr.fileno())
237
 
    os.close(null)
238
 
    try:
239
 
        try:
240
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
241
 
        finally:
242
 
            #restore stderr
243
 
            os.dup2(stderrcopy, sys.stderr.fileno())
244
 
            os.close(stderrcopy)
245
 
    except dbus.exceptions.DBusException, e:
246
 
        print("Access denied: Accessing mandos server through dbus.",
247
 
              file=sys.stderr)
248
 
        sys.exit(1)
249
 
    
250
 
    # Compile dict of (clients: properties) to process
251
 
    clients={}
252
 
    
253
 
    if options.all or not options.client:
254
 
        clients = dict((bus.get_object(busname, path), properties)
255
 
                       for path, properties in
256
 
                       mandos_clients.iteritems())
257
 
    else:
258
 
        for name in options.client:
259
 
            for path, client in mandos_clients.iteritems():
260
 
                if client["Name"] == name:
261
 
                    client_objc = bus.get_object(busname, path)
262
 
                    clients[client_objc] = client
263
 
                    break
 
130
        parser = OptionParser(version = "%%prog %s" % version)
 
131
        parser.add_option("-a", "--all", action="store_true",
 
132
                          help="Select all clients")
 
133
        parser.add_option("-v", "--verbose", action="store_true",
 
134
                          help="Print all fields")
 
135
        parser.add_option("-e", "--enable", action="store_true",
 
136
                          help="Enable client")
 
137
        parser.add_option("-d", "--disable", action="store_true",
 
138
                          help="disable client")
 
139
        parser.add_option("-b", "--bump-timeout", action="store_true",
 
140
                          help="Bump timeout for client")
 
141
        parser.add_option("--start-checker", action="store_true",
 
142
                          help="Start checker for client")
 
143
        parser.add_option("--stop-checker", action="store_true",
 
144
                          help="Stop checker for client")
 
145
        parser.add_option("-V", "--is-enabled", action="store_true",
 
146
                          help="Check if client is enabled")
 
147
        parser.add_option("-r", "--remove", action="store_true",
 
148
                          help="Remove client")
 
149
        parser.add_option("-c", "--checker", type="string",
 
150
                          help="Set checker command for client")
 
151
        parser.add_option("-t", "--timeout", type="string",
 
152
                          help="Set timeout for client")
 
153
        parser.add_option("-i", "--interval", type="string",
 
154
                          help="Set checker interval for client")
 
155
        parser.add_option("-H", "--host", type="string",
 
156
                          help="Set host for client")
 
157
        parser.add_option("-s", "--secret", type="string",
 
158
                          help="Set password blob (file) for client")
 
159
        parser.add_option("-A", "--approve", action="store_true",
 
160
                          help="Approve any current client request")
 
161
        parser.add_option("-D", "--deny", action="store_true",
 
162
                          help="Deny any current client request")
 
163
        options, client_names = parser.parse_args()
 
164
 
 
165
        if has_actions(options) and not client_names and not options.all:
 
166
            parser.error('Options requires clients names or --all.')
 
167
        if options.verbose and has_actions(options):
 
168
            parser.error('Verbose option can only be used alone or with --all.')
 
169
        if options.all and not has_actions(options):
 
170
            parser.error('--all requires an action')
 
171
            
 
172
        try:
 
173
            bus = dbus.SystemBus()
 
174
            mandos_dbus_objc = bus.get_object(busname, server_path)
 
175
        except dbus.exceptions.DBusException:
 
176
            print >> sys.stderr, "Could not connect to Mandos server"
 
177
            sys.exit(1)
 
178
    
 
179
        mandos_serv = dbus.Interface(mandos_dbus_objc,
 
180
                                     dbus_interface = server_interface)
 
181
 
 
182
        #block stderr since dbus library prints to stderr
 
183
        null = os.open(os.path.devnull, os.O_RDWR)
 
184
        stderrcopy = os.dup(sys.stderr.fileno())
 
185
        os.dup2(null, sys.stderr.fileno())
 
186
        os.close(null)
 
187
        try:
 
188
            try:
 
189
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
190
            finally:
 
191
                #restore stderr
 
192
                os.dup2(stderrcopy, sys.stderr.fileno())
 
193
                os.close(stderrcopy)
 
194
        except dbus.exceptions.DBusException, e:
 
195
            print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
 
196
            sys.exit(1)
 
197
            
 
198
        # Compile list of clients to process
 
199
        clients=[]
 
200
 
 
201
        if options.all or not client_names:
 
202
            clients = (bus.get_object(busname, path) for path in mandos_clients.iterkeys())
 
203
        else:
 
204
            for name in client_names:
 
205
                for path, client in mandos_clients.iteritems():
 
206
                    if client['Name'] == name:
 
207
                        client_objc = bus.get_object(busname, path)
 
208
                        clients.append(client_objc)
 
209
                        break
 
210
                else:
 
211
                    print >> sys.stderr, "Client not found on server: %r" % name
 
212
                    sys.exit(1)
 
213
            
 
214
        if not has_actions(options) and clients:
 
215
            if options.verbose:
 
216
                keywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK',
 
217
                            'Created', 'Interval', 'Host', 'Fingerprint',
 
218
                            'CheckerRunning', 'LastEnabled', 'Checker')
264
219
            else:
265
 
                print("Client not found on server: %r" % name,
266
 
                      file=sys.stderr)
267
 
                sys.exit(1)
268
 
    
269
 
    if not has_actions(options) and clients:
270
 
        if options.verbose:
271
 
            keywords = ("Name", "Enabled", "Timeout",
272
 
                        "LastCheckedOK", "Created", "Interval",
273
 
                        "Host", "Fingerprint", "CheckerRunning",
274
 
                        "LastEnabled", "ApprovalPending",
275
 
                        "ApprovedByDefault",
276
 
                        "LastApprovalRequest", "ApprovalDelay",
277
 
                        "ApprovalDuration", "Checker",
278
 
                        "ExtendedTimeout")
 
220
                keywords = defaultkeywords
 
221
                
 
222
            print_clients(mandos_clients.values(), keywords)
279
223
        else:
280
 
            keywords = defaultkeywords
281
 
        
282
 
        print_clients(clients.values(), keywords)
283
 
    else:
284
 
        # Process each client in the list by all selected options
285
 
        for client in clients:
286
 
            if options.remove:
287
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
288
 
            if options.enable:
289
 
                client.Enable(dbus_interface=client_interface)
290
 
            if options.disable:
291
 
                client.Disable(dbus_interface=client_interface)
292
 
            if options.bump_timeout:
293
 
                client.CheckedOK(dbus_interface=client_interface)
294
 
            if options.start_checker:
295
 
                client.StartChecker(dbus_interface=client_interface)
296
 
            if options.stop_checker:
297
 
                client.StopChecker(dbus_interface=client_interface)
298
 
            if options.is_enabled:
299
 
                sys.exit(0 if client.Get(client_interface,
300
 
                                         "Enabled",
301
 
                                         dbus_interface=
302
 
                                         dbus.PROPERTIES_IFACE)
303
 
                         else 1)
304
 
            if options.checker is not None:
305
 
                client.Set(client_interface, "Checker",
306
 
                           options.checker,
307
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
308
 
            if options.host is not None:
309
 
                client.Set(client_interface, "Host", options.host,
310
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
311
 
            if options.interval is not None:
312
 
                client.Set(client_interface, "Interval",
313
 
                           timedelta_to_milliseconds
314
 
                           (string_to_delta(options.interval)),
315
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
316
 
            if options.approval_delay is not None:
317
 
                client.Set(client_interface, "ApprovalDelay",
318
 
                           timedelta_to_milliseconds
319
 
                           (string_to_delta(options.
320
 
                                            approval_delay)),
321
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
322
 
            if options.approval_duration is not None:
323
 
                client.Set(client_interface, "ApprovalDuration",
324
 
                           timedelta_to_milliseconds
325
 
                           (string_to_delta(options.
326
 
                                            approval_duration)),
327
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
328
 
            if options.timeout is not None:
329
 
                client.Set(client_interface, "Timeout",
330
 
                           timedelta_to_milliseconds
331
 
                           (string_to_delta(options.timeout)),
332
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
333
 
            if options.extended_timeout is not None:
334
 
                client.Set(client_interface, "ExtendedTimeout",
335
 
                           timedelta_to_milliseconds
336
 
                           (string_to_delta(options.extended_timeout)),
337
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
338
 
            if options.secret is not None:
339
 
                client.Set(client_interface, "Secret",
340
 
                           dbus.ByteArray(open(options.secret,
341
 
                                               "rb").read()),
342
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
343
 
            if options.approved_by_default is not None:
344
 
                client.Set(client_interface, "ApprovedByDefault",
345
 
                           dbus.Boolean(options
346
 
                                        .approved_by_default),
347
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
348
 
            if options.approve:
349
 
                client.Approve(dbus.Boolean(True),
350
 
                               dbus_interface=client_interface)
351
 
            elif options.deny:
352
 
                client.Approve(dbus.Boolean(False),
353
 
                               dbus_interface=client_interface)
 
224
            # Process each client in the list by all selected options
 
225
            for client in clients:
 
226
                if options.remove:
 
227
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
 
228
                if options.enable:
 
229
                    client.Enable(dbus_interface=client_interface)
 
230
                if options.disable:
 
231
                    client.Disable(dbus_interface=client_interface)
 
232
                if options.bump_timeout:
 
233
                    client.CheckedOK(dbus_interface=client_interface)
 
234
                if options.start_checker:
 
235
                    client.StartChecker(dbus_interface=client_interface)
 
236
                if options.stop_checker:
 
237
                    client.StopChecker(dbus_interface=client_interface)
 
238
                if options.is_enabled:
 
239
                    sys.exit(0 if client.Get(client_interface,
 
240
                                             u"Enabled",
 
241
                                             dbus_interface=dbus.PROPERTIES_IFACE)
 
242
                             else 1)
 
243
                if options.checker:
 
244
                    client.Set(client_interface, u"Checker", options.checker,
 
245
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
246
                if options.host:
 
247
                    client.Set(client_interface, u"Host", options.host,
 
248
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
249
                if options.interval:
 
250
                    client.Set(client_interface, u"Interval",
 
251
                               timedelta_to_milliseconds
 
252
                               (string_to_delta(options.interval)),
 
253
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
254
                if options.timeout:
 
255
                    client.Set(client_interface, u"Timeout",
 
256
                               timedelta_to_milliseconds(string_to_delta
 
257
                                                         (options.timeout)),
 
258
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
259
                if options.secret:
 
260
                    client.Set(client_interface, u"Secret",
 
261
                               dbus.ByteArray(open(options.secret, u'rb').read()),
 
262
                               dbus_interface=dbus.PROPERTIES_IFACE)
 
263
                if options.approve:
 
264
                    client.Approve(dbus.Boolean(True), dbus_interface=client_interface)
 
265
                if options.deny:
 
266
                    client.Approve(dbus.Boolean(False), dbus_interface=client_interface)
354
267
 
355
 
if __name__ == "__main__":
 
268
if __name__ == '__main__':
356
269
    main()