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mandos-ctl
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1
#!/usr/bin/python
2
2
# -*- mode: python; coding: utf-8 -*-
3
 
# 
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2008-2012 Teddy Hogeborn
7
 
# Copyright © 2008-2012 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
21
 
# <http://www.gnu.org/licenses/>.
22
 
# 
23
 
# Contact the authors at <mandos@recompile.se>.
24
 
# 
25
 
 
26
 
from __future__ import (division, absolute_import, print_function,
27
 
                        unicode_literals)
28
 
 
 
3
 
 
4
from __future__ import division
29
5
import sys
30
6
import dbus
31
 
import argparse
 
7
from optparse import OptionParser
32
8
import locale
33
9
import datetime
34
10
import re
35
 
import os
36
11
 
37
 
locale.setlocale(locale.LC_ALL, "")
 
12
locale.setlocale(locale.LC_ALL, u'')
38
13
 
39
14
tablewords = {
40
 
    "Name": "Name",
41
 
    "Enabled": "Enabled",
42
 
    "Timeout": "Timeout",
43
 
    "LastCheckedOK": "Last Successful Check",
44
 
    "LastApprovalRequest": "Last Approval Request",
45
 
    "Created": "Created",
46
 
    "Interval": "Interval",
47
 
    "Host": "Host",
48
 
    "Fingerprint": "Fingerprint",
49
 
    "CheckerRunning": "Check Is Running",
50
 
    "LastEnabled": "Last Enabled",
51
 
    "ApprovalPending": "Approval Is Pending",
52
 
    "ApprovedByDefault": "Approved By Default",
53
 
    "ApprovalDelay": "Approval Delay",
54
 
    "ApprovalDuration": "Approval Duration",
55
 
    "Checker": "Checker",
56
 
    "ExtendedTimeout" : "Extended Timeout"
 
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',
57
26
    }
58
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
59
 
domain = "se.recompile"
60
 
busname = domain + ".Mandos"
61
 
server_path = "/"
62
 
server_interface = domain + ".Mandos"
63
 
client_interface = domain + ".Mandos.Client"
64
 
version = "1.5.3"
 
27
defaultkeywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
 
28
                   'checker')
 
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 = "1.0.13"
 
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()
65
40
 
66
41
def timedelta_to_milliseconds(td):
67
 
    """Convert a datetime.timedelta object to milliseconds"""
 
42
    "Convert a datetime.timedelta object to milliseconds"
68
43
    return ((td.days * 24 * 60 * 60 * 1000)
69
44
            + (td.seconds * 1000)
70
45
            + (td.microseconds // 1000))
71
46
 
72
47
def milliseconds_to_string(ms):
73
48
    td = datetime.timedelta(0, 0, 0, ms)
74
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
75
 
            .format(days = "{0}T".format(td.days) if td.days else "",
76
 
                    hours = td.seconds // 3600,
77
 
                    minutes = (td.seconds % 3600) // 60,
78
 
                    seconds = td.seconds % 60,
79
 
                    ))
 
49
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
 
50
            % { "days": "%dT" % td.days if td.days else "",
 
51
                "hours": td.seconds // 3600,
 
52
                "minutes": (td.seconds % 3600) // 60,
 
53
                "seconds": td.seconds % 60,
 
54
                })
 
55
 
80
56
 
81
57
def string_to_delta(interval):
82
58
    """Parse a string and return a datetime.timedelta
83
 
    
84
 
    >>> string_to_delta("7d")
 
59
 
 
60
    >>> string_to_delta('7d')
85
61
    datetime.timedelta(7)
86
 
    >>> string_to_delta("60s")
 
62
    >>> string_to_delta('60s')
87
63
    datetime.timedelta(0, 60)
88
 
    >>> string_to_delta("60m")
 
64
    >>> string_to_delta('60m')
89
65
    datetime.timedelta(0, 3600)
90
 
    >>> string_to_delta("24h")
 
66
    >>> string_to_delta('24h')
91
67
    datetime.timedelta(1)
92
 
    >>> string_to_delta("1w")
 
68
    >>> string_to_delta(u'1w')
93
69
    datetime.timedelta(7)
94
 
    >>> string_to_delta("5m 30s")
 
70
    >>> string_to_delta('5m 30s')
95
71
    datetime.timedelta(0, 330)
96
72
    """
97
 
    value = datetime.timedelta(0)
98
 
    regexp = re.compile("(\d+)([dsmhw]?)")
 
73
    timevalue = datetime.timedelta(0)
 
74
    regexp = re.compile("\d+[dsmhw]")
99
75
    
100
 
    for num, suffix in regexp.findall(interval):
101
 
        if suffix == "d":
102
 
            value += datetime.timedelta(int(num))
103
 
        elif suffix == "s":
104
 
            value += datetime.timedelta(0, int(num))
105
 
        elif suffix == "m":
106
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
107
 
        elif suffix == "h":
108
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
109
 
        elif suffix == "w":
110
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
111
 
        elif suffix == "":
112
 
            value += datetime.timedelta(0, 0, 0, int(num))
113
 
    return value
 
76
    for s in regexp.findall(interval):
 
77
        try:
 
78
            suffix = unicode(s[-1])
 
79
            value = int(s[:-1])
 
80
            if suffix == u"d":
 
81
                delta = datetime.timedelta(value)
 
82
            elif suffix == u"s":
 
83
                delta = datetime.timedelta(0, value)
 
84
            elif suffix == u"m":
 
85
                delta = datetime.timedelta(0, 0, 0, 0, value)
 
86
            elif suffix == u"h":
 
87
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
88
            elif suffix == u"w":
 
89
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
90
            else:
 
91
                raise ValueError
 
92
        except (ValueError, IndexError):
 
93
            raise ValueError
 
94
        timevalue += delta
 
95
    return timevalue
114
96
 
115
 
def print_clients(clients, keywords):
 
97
def print_clients(clients):
116
98
    def valuetostring(value, keyword):
117
99
        if type(value) is dbus.Boolean:
118
 
            return "Yes" if value else "No"
119
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
120
 
                       "ApprovalDuration", "ExtendedTimeout"):
 
100
            return u"Yes" if value else u"No"
 
101
        if keyword in (u"timeout", u"interval"):
121
102
            return milliseconds_to_string(value)
122
103
        return unicode(value)
123
104
    
124
105
    # Create format string to print table rows
125
 
    format_string = " ".join("{{{key}:{width}}}".format(
126
 
            width = max(len(tablewords[key]),
127
 
                        max(len(valuetostring(client[key],
128
 
                                              key))
129
 
                            for client in
130
 
                            clients)),
131
 
            key = key) for key in keywords)
 
106
    format_string = u' '.join(u'%%-%ds' %
 
107
                              max(len(tablewords[key]),
 
108
                                  max(len(valuetostring(client[key], key))
 
109
                                      for client in
 
110
                                      clients))
 
111
                              for key in keywords)
132
112
    # Print header line
133
 
    print(format_string.format(**tablewords))
 
113
    print format_string % tuple(tablewords[key] for key in keywords)
134
114
    for client in clients:
135
 
        print(format_string.format(**dict((key,
136
 
                                           valuetostring(client[key],
137
 
                                                         key))
138
 
                                          for key in keywords)))
139
 
 
140
 
def has_actions(options):
141
 
    return any((options.enable,
142
 
                options.disable,
143
 
                options.bump_timeout,
144
 
                options.start_checker,
145
 
                options.stop_checker,
146
 
                options.is_enabled,
147
 
                options.remove,
148
 
                options.checker is not None,
149
 
                options.timeout is not None,
150
 
                options.extended_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 = argparse.ArgumentParser()
162
 
    parser.add_argument("--version", action="version",
163
 
                        version = "%(prog)s {0}".format(version),
164
 
                        help="show version number and exit")
165
 
    parser.add_argument("-a", "--all", action="store_true",
166
 
                        help="Select all clients")
167
 
    parser.add_argument("-v", "--verbose", action="store_true",
168
 
                        help="Print all fields")
169
 
    parser.add_argument("-e", "--enable", action="store_true",
170
 
                        help="Enable client")
171
 
    parser.add_argument("-d", "--disable", action="store_true",
172
 
                        help="disable client")
173
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
174
 
                        help="Bump timeout for client")
175
 
    parser.add_argument("--start-checker", action="store_true",
176
 
                        help="Start checker for client")
177
 
    parser.add_argument("--stop-checker", action="store_true",
178
 
                        help="Stop checker for client")
179
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
180
 
                        help="Check if client is enabled")
181
 
    parser.add_argument("-r", "--remove", action="store_true",
182
 
                        help="Remove client")
183
 
    parser.add_argument("-c", "--checker",
184
 
                        help="Set checker command for client")
185
 
    parser.add_argument("-t", "--timeout",
186
 
                        help="Set timeout for client")
187
 
    parser.add_argument("--extended-timeout",
188
 
                        help="Set extended timeout for client")
189
 
    parser.add_argument("-i", "--interval",
190
 
                        help="Set checker interval for client")
191
 
    parser.add_argument("--approve-by-default", action="store_true",
192
 
                        default=None, dest="approved_by_default",
193
 
                        help="Set client to be approved by default")
194
 
    parser.add_argument("--deny-by-default", action="store_false",
195
 
                        dest="approved_by_default",
196
 
                        help="Set client to be denied by default")
197
 
    parser.add_argument("--approval-delay",
198
 
                        help="Set delay before client approve/deny")
199
 
    parser.add_argument("--approval-duration",
200
 
                        help="Set duration of one client approval")
201
 
    parser.add_argument("-H", "--host", help="Set host for client")
202
 
    parser.add_argument("-s", "--secret", type=file,
203
 
                        help="Set password blob (file) for client")
204
 
    parser.add_argument("-A", "--approve", action="store_true",
205
 
                        help="Approve any current client request")
206
 
    parser.add_argument("-D", "--deny", action="store_true",
207
 
                        help="Deny any current client request")
208
 
    parser.add_argument("client", nargs="*", help="Client name")
209
 
    options = parser.parse_args()
210
 
    
211
 
    if has_actions(options) and not (options.client or options.all):
212
 
        parser.error("Options require clients names or --all.")
213
 
    if options.verbose and has_actions(options):
214
 
        parser.error("--verbose can only be used alone or with"
215
 
                     " --all.")
216
 
    if options.all and not has_actions(options):
217
 
        parser.error("--all requires an action.")
218
 
    
219
 
    try:
220
 
        bus = dbus.SystemBus()
221
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
222
 
    except dbus.exceptions.DBusException:
223
 
        print("Could not connect to Mandos server",
224
 
              file=sys.stderr)
225
 
        sys.exit(1)
226
 
    
227
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
228
 
                                 dbus_interface = server_interface)
229
 
    
230
 
    #block stderr since dbus library prints to stderr
231
 
    null = os.open(os.path.devnull, os.O_RDWR)
232
 
    stderrcopy = os.dup(sys.stderr.fileno())
233
 
    os.dup2(null, sys.stderr.fileno())
234
 
    os.close(null)
235
 
    try:
236
 
        try:
237
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
238
 
        finally:
239
 
            #restore stderr
240
 
            os.dup2(stderrcopy, sys.stderr.fileno())
241
 
            os.close(stderrcopy)
242
 
    except dbus.exceptions.DBusException:
243
 
        print("Access denied: Accessing mandos server through dbus.",
244
 
              file=sys.stderr)
245
 
        sys.exit(1)
246
 
    
247
 
    # Compile dict of (clients: properties) to process
248
 
    clients={}
249
 
    
250
 
    if options.all or not options.client:
251
 
        clients = dict((bus.get_object(busname, path), properties)
252
 
                       for path, properties in
253
 
                       mandos_clients.iteritems())
254
 
    else:
255
 
        for name in options.client:
256
 
            for path, client in mandos_clients.iteritems():
257
 
                if client["Name"] == name:
258
 
                    client_objc = bus.get_object(busname, path)
259
 
                    clients[client_objc] = client
260
 
                    break
261
 
            else:
262
 
                print("Client not found on server: {0!r}"
263
 
                      .format(name), file=sys.stderr)
264
 
                sys.exit(1)
265
 
    
266
 
    if not has_actions(options) and clients:
267
 
        if options.verbose:
268
 
            keywords = ("Name", "Enabled", "Timeout",
269
 
                        "LastCheckedOK", "Created", "Interval",
270
 
                        "Host", "Fingerprint", "CheckerRunning",
271
 
                        "LastEnabled", "ApprovalPending",
272
 
                        "ApprovedByDefault",
273
 
                        "LastApprovalRequest", "ApprovalDelay",
274
 
                        "ApprovalDuration", "Checker",
275
 
                        "ExtendedTimeout")
276
 
        else:
277
 
            keywords = defaultkeywords
278
 
        
279
 
        print_clients(clients.values(), keywords)
280
 
    else:
281
 
        # Process each client in the list by all selected options
282
 
        for client in clients:
283
 
            def set_client_prop(prop, value):
284
 
                """Set a Client D-Bus property"""
285
 
                client.Set(client_interface, prop, value,
286
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
287
 
            def set_client_prop_ms(prop, value):
288
 
                """Set a Client D-Bus property, converted
289
 
                from a string to milliseconds."""
290
 
                set_client_prop(prop,
291
 
                                timedelta_to_milliseconds
292
 
                                (string_to_delta(value)))
293
 
            if options.remove:
294
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
295
 
            if options.enable:
296
 
                set_client_prop("Enabled", dbus.Boolean(True))
297
 
            if options.disable:
298
 
                set_client_prop("Enabled", dbus.Boolean(False))
299
 
            if options.bump_timeout:
300
 
                set_client_prop("LastCheckedOK", "")
301
 
            if options.start_checker:
302
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
303
 
            if options.stop_checker:
304
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
305
 
            if options.is_enabled:
306
 
                sys.exit(0 if client.Get(client_interface,
307
 
                                         "Enabled",
308
 
                                         dbus_interface=
309
 
                                         dbus.PROPERTIES_IFACE)
310
 
                         else 1)
311
 
            if options.checker is not None:
312
 
                set_client_prop("Checker", options.checker)
313
 
            if options.host is not None:
314
 
                set_client_prop("Host", options.host)
315
 
            if options.interval is not None:
316
 
                set_client_prop_ms("Interval", options.interval)
317
 
            if options.approval_delay is not None:
318
 
                set_client_prop_ms("ApprovalDelay",
319
 
                                   options.approval_delay)
320
 
            if options.approval_duration is not None:
321
 
                set_client_prop_ms("ApprovalDuration",
322
 
                                   options.approval_duration)
323
 
            if options.timeout is not None:
324
 
                set_client_prop_ms("Timeout", options.timeout)
325
 
            if options.extended_timeout is not None:
326
 
                set_client_prop_ms("ExtendedTimeout",
327
 
                                   options.extended_timeout)
328
 
            if options.secret is not None:
329
 
                set_client_prop("Secret",
330
 
                                dbus.ByteArray(options.secret.read()))
331
 
            if options.approved_by_default is not None:
332
 
                set_client_prop("ApprovedByDefault",
333
 
                                dbus.Boolean(options
334
 
                                             .approved_by_default))
335
 
            if options.approve:
336
 
                client.Approve(dbus.Boolean(True),
337
 
                               dbus_interface=client_interface)
338
 
            elif options.deny:
339
 
                client.Approve(dbus.Boolean(False),
340
 
                               dbus_interface=client_interface)
341
 
 
342
 
if __name__ == "__main__":
343
 
    main()
 
115
        print format_string % tuple(valuetostring(client[key], key)
 
116
                                    for key in keywords)
 
117
 
 
118
parser = OptionParser(version = "%%prog %s" % version)
 
119
parser.add_option("-a", "--all", action="store_true",
 
120
                  help="Print all fields")
 
121
parser.add_option("-e", "--enable", action="store_true",
 
122
                  help="Enable client")
 
123
parser.add_option("-d", "--disable", action="store_true",
 
124
                  help="disable client")
 
125
parser.add_option("-b", "--bump-timeout", action="store_true",
 
126
                  help="Bump timeout for client")
 
127
parser.add_option("--start-checker", action="store_true",
 
128
                  help="Start checker for client")
 
129
parser.add_option("--stop-checker", action="store_true",
 
130
                  help="Stop checker for client")
 
131
parser.add_option("-V", "--is-valid", action="store_true",
 
132
                  help="Check if client is still valid")
 
133
parser.add_option("-r", "--remove", action="store_true",
 
134
                  help="Remove client")
 
135
parser.add_option("-c", "--checker", type="string",
 
136
                  help="Set checker command for client")
 
137
parser.add_option("-t", "--timeout", type="string",
 
138
                  help="Set timeout for client")
 
139
parser.add_option("-i", "--interval", type="string",
 
140
                  help="Set checker interval for client")
 
141
parser.add_option("-H", "--host", type="string",
 
142
                  help="Set host for client")
 
143
parser.add_option("-s", "--secret", type="string",
 
144
                  help="Set password blob (file) for client")
 
145
options, client_names = parser.parse_args()
 
146
 
 
147
# Compile list of clients to process
 
148
clients=[]
 
149
for name in client_names:
 
150
    for path, client in mandos_clients.iteritems():
 
151
        if client['name'] == name:
 
152
            client_objc = bus.get_object(busname, path)
 
153
            clients.append(client_objc)
 
154
            break
 
155
    else:
 
156
        print >> sys.stderr, "Client not found on server: %r" % name
 
157
        sys.exit(1)
 
158
 
 
159
if not clients and mandos_clients.values():
 
160
    keywords = defaultkeywords
 
161
    if options.all:
 
162
        keywords = ('name', 'enabled', 'timeout', 'last_checked_ok',
 
163
                    'created', 'interval', 'host', 'fingerprint',
 
164
                    'checker_running', 'last_enabled', 'checker')
 
165
    print_clients(mandos_clients.values())
 
166
 
 
167
# Process each client in the list by all selected options
 
168
for client in clients:
 
169
    if options.remove:
 
170
        mandos_serv.RemoveClient(client.__dbus_object_path__)
 
171
    if options.enable:
 
172
        client.Enable(dbus_interface=client_interface)
 
173
    if options.disable:
 
174
        client.Disable(dbus_interface=client_interface)
 
175
    if options.bump_timeout:
 
176
        client.CheckedOK(dbus_interface=client_interface)
 
177
    if options.start_checker:
 
178
        client.StartChecker(dbus_interface=client_interface)
 
179
    if options.stop_checker:
 
180
        client.StopChecker(dbus_interface=client_interface)
 
181
    if options.is_valid:
 
182
        sys.exit(0 if client.Get(client_interface,
 
183
                                 u"enabled",
 
184
                                 dbus_interface=dbus.PROPERTIES_IFACE)
 
185
                 else 1)
 
186
    if options.checker:
 
187
        client.Set(client_interface, u"checker", options.checker,
 
188
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
189
    if options.host:
 
190
        client.Set(client_interface, u"host", options.host,
 
191
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
192
    if options.interval:
 
193
        client.Set(client_interface, u"interval",
 
194
                   timedelta_to_milliseconds
 
195
                   (string_to_delta(options.interval)),
 
196
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
197
    if options.timeout:
 
198
        client.Set(client_interface, u"timeout",
 
199
                   timedelta_to_milliseconds(string_to_delta
 
200
                                             (options.timeout)),
 
201
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
202
    if options.secret:
 
203
        client.Set(client_interface, u"secret",
 
204
                   dbus.ByteArray(open(options.secret, u'rb').read()),
 
205
                   dbus_interface=dbus.PROPERTIES_IFACE)