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  • Committer: Teddy Hogeborn
  • Date: 2012-05-03 20:16:22 UTC
  • Revision ID: teddy@recompile.se-20120503201622-d9yezi9t17i00lio
* mandos-ctl: Use new string format method.  Bug fix: --version now
              shows the program name.

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mandos-ctl
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1
#!/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 © 2008-2012 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 <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
 
5
28
import sys
6
29
import dbus
7
 
from optparse import OptionParser
 
30
import argparse
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",
 
55
    "ExtendedTimeout" : "Extended Timeout"
26
56
    }
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 = "1.0.14"
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()
 
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 = "1.5.3"
40
64
 
41
65
def timedelta_to_milliseconds(td):
42
 
    "Convert a datetime.timedelta object to milliseconds"
 
66
    """Convert a datetime.timedelta object to milliseconds"""
43
67
    return ((td.days * 24 * 60 * 60 * 1000)
44
68
            + (td.seconds * 1000)
45
69
            + (td.microseconds // 1000))
46
70
 
47
71
def milliseconds_to_string(ms):
48
72
    td = datetime.timedelta(0, 0, 0, ms)
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
 
 
 
73
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
74
            .format(days = "{0}T".format(td.days) if td.days else "",
 
75
                    hours = td.seconds // 3600,
 
76
                    minutes = (td.seconds % 3600) // 60,
 
77
                    seconds = td.seconds % 60,
 
78
                    ))
56
79
 
57
80
def string_to_delta(interval):
58
81
    """Parse a string and return a datetime.timedelta
59
 
 
60
 
    >>> string_to_delta('7d')
 
82
    
 
83
    >>> string_to_delta("7d")
61
84
    datetime.timedelta(7)
62
 
    >>> string_to_delta('60s')
 
85
    >>> string_to_delta("60s")
63
86
    datetime.timedelta(0, 60)
64
 
    >>> string_to_delta('60m')
 
87
    >>> string_to_delta("60m")
65
88
    datetime.timedelta(0, 3600)
66
 
    >>> string_to_delta('24h')
 
89
    >>> string_to_delta("24h")
67
90
    datetime.timedelta(1)
68
 
    >>> string_to_delta(u'1w')
 
91
    >>> string_to_delta("1w")
69
92
    datetime.timedelta(7)
70
 
    >>> string_to_delta('5m 30s')
 
93
    >>> string_to_delta("5m 30s")
71
94
    datetime.timedelta(0, 330)
72
95
    """
73
 
    timevalue = datetime.timedelta(0)
74
 
    regexp = re.compile("\d+[dsmhw]")
 
96
    value = datetime.timedelta(0)
 
97
    regexp = re.compile("(\d+)([dsmhw]?)")
75
98
    
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
 
99
    for num, suffix in regexp.findall(interval):
 
100
        if suffix == "d":
 
101
            value += datetime.timedelta(int(num))
 
102
        elif suffix == "s":
 
103
            value += datetime.timedelta(0, int(num))
 
104
        elif suffix == "m":
 
105
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
106
        elif suffix == "h":
 
107
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
108
        elif suffix == "w":
 
109
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
110
        elif suffix == "":
 
111
            value += datetime.timedelta(0, 0, 0, int(num))
 
112
    return value
96
113
 
97
 
def print_clients(clients):
 
114
def print_clients(clients, keywords):
98
115
    def valuetostring(value, keyword):
99
116
        if type(value) is dbus.Boolean:
100
 
            return u"Yes" if value else u"No"
101
 
        if keyword in (u"timeout", u"interval"):
 
117
            return "Yes" if value else "No"
 
118
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
119
                       "ApprovalDuration"):
102
120
            return milliseconds_to_string(value)
103
121
        return unicode(value)
104
122
    
105
123
    # Create format string to print table rows
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)
 
124
    format_string = " ".join("{{{key}:{width}}}".format(
 
125
            width = max(len(tablewords[key]),
 
126
                        max(len(valuetostring(client[key],
 
127
                                              key))
 
128
                            for client in
 
129
                            clients)),
 
130
            key = key) for key in keywords)
112
131
    # Print header line
113
 
    print format_string % tuple(tablewords[key] for key in keywords)
 
132
    print(format_string.format(**tablewords))
114
133
    for client in clients:
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)
 
134
        print(format_string.format(**dict((key,
 
135
                                           valuetostring(client[key],
 
136
                                                         key))
 
137
                                          for key in keywords)))
 
138
 
 
139
def has_actions(options):
 
140
    return any((options.enable,
 
141
                options.disable,
 
142
                options.bump_timeout,
 
143
                options.start_checker,
 
144
                options.stop_checker,
 
145
                options.is_enabled,
 
146
                options.remove,
 
147
                options.checker is not None,
 
148
                options.timeout is not None,
 
149
                options.extended_timeout is not None,
 
150
                options.interval is not None,
 
151
                options.approved_by_default is not None,
 
152
                options.approval_delay is not None,
 
153
                options.approval_duration is not None,
 
154
                options.host is not None,
 
155
                options.secret is not None,
 
156
                options.approve,
 
157
                options.deny))
 
158
 
 
159
def main():
 
160
    parser = argparse.ArgumentParser()
 
161
    parser.add_argument("--version", action="version",
 
162
                        version = "%(prog)s {0}".format(version),
 
163
                        help="show version number and exit")
 
164
    parser.add_argument("-a", "--all", action="store_true",
 
165
                        help="Select all clients")
 
166
    parser.add_argument("-v", "--verbose", action="store_true",
 
167
                        help="Print all fields")
 
168
    parser.add_argument("-e", "--enable", action="store_true",
 
169
                        help="Enable client")
 
170
    parser.add_argument("-d", "--disable", action="store_true",
 
171
                        help="disable client")
 
172
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
173
                        help="Bump timeout for client")
 
174
    parser.add_argument("--start-checker", action="store_true",
 
175
                        help="Start checker for client")
 
176
    parser.add_argument("--stop-checker", action="store_true",
 
177
                        help="Stop checker for client")
 
178
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
179
                        help="Check if client is enabled")
 
180
    parser.add_argument("-r", "--remove", action="store_true",
 
181
                        help="Remove client")
 
182
    parser.add_argument("-c", "--checker",
 
183
                        help="Set checker command for client")
 
184
    parser.add_argument("-t", "--timeout",
 
185
                        help="Set timeout for client")
 
186
    parser.add_argument("--extended-timeout",
 
187
                        help="Set extended timeout for client")
 
188
    parser.add_argument("-i", "--interval",
 
189
                        help="Set checker interval for client")
 
190
    parser.add_argument("--approve-by-default", action="store_true",
 
191
                        default=None, dest="approved_by_default",
 
192
                        help="Set client to be approved by default")
 
193
    parser.add_argument("--deny-by-default", action="store_false",
 
194
                        dest="approved_by_default",
 
195
                        help="Set client to be denied by default")
 
196
    parser.add_argument("--approval-delay",
 
197
                        help="Set delay before client approve/deny")
 
198
    parser.add_argument("--approval-duration",
 
199
                        help="Set duration of one client approval")
 
200
    parser.add_argument("-H", "--host", help="Set host for client")
 
201
    parser.add_argument("-s", "--secret", type=file,
 
202
                        help="Set password blob (file) for client")
 
203
    parser.add_argument("-A", "--approve", action="store_true",
 
204
                        help="Approve any current client request")
 
205
    parser.add_argument("-D", "--deny", action="store_true",
 
206
                        help="Deny any current client request")
 
207
    parser.add_argument("client", nargs="*", help="Client name")
 
208
    options = parser.parse_args()
 
209
    
 
210
    if has_actions(options) and not options.client and not options.all:
 
211
        parser.error("Options require clients names or --all.")
 
212
    if options.verbose and has_actions(options):
 
213
        parser.error("--verbose can only be used alone or with"
 
214
                     " --all.")
 
215
    if options.all and not has_actions(options):
 
216
        parser.error("--all requires an action.")
 
217
    
 
218
    try:
 
219
        bus = dbus.SystemBus()
 
220
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
221
    except dbus.exceptions.DBusException:
 
222
        print("Could not connect to Mandos server",
 
223
              file=sys.stderr)
 
224
        sys.exit(1)
 
225
    
 
226
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
227
                                 dbus_interface = server_interface)
 
228
    
 
229
    #block stderr since dbus library prints to stderr
 
230
    null = os.open(os.path.devnull, os.O_RDWR)
 
231
    stderrcopy = os.dup(sys.stderr.fileno())
 
232
    os.dup2(null, sys.stderr.fileno())
 
233
    os.close(null)
 
234
    try:
 
235
        try:
 
236
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
237
        finally:
 
238
            #restore stderr
 
239
            os.dup2(stderrcopy, sys.stderr.fileno())
 
240
            os.close(stderrcopy)
 
241
    except dbus.exceptions.DBusException:
 
242
        print("Access denied: Accessing mandos server through dbus.",
 
243
              file=sys.stderr)
 
244
        sys.exit(1)
 
245
    
 
246
    # Compile dict of (clients: properties) to process
 
247
    clients={}
 
248
    
 
249
    if options.all or not options.client:
 
250
        clients = dict((bus.get_object(busname, path), properties)
 
251
                       for path, properties in
 
252
                       mandos_clients.iteritems())
 
253
    else:
 
254
        for name in options.client:
 
255
            for path, client in mandos_clients.iteritems():
 
256
                if client["Name"] == name:
 
257
                    client_objc = bus.get_object(busname, path)
 
258
                    clients[client_objc] = client
 
259
                    break
 
260
            else:
 
261
                print("Client not found on server: {0!r}"
 
262
                      .format(name), file=sys.stderr)
 
263
                sys.exit(1)
 
264
    
 
265
    if not has_actions(options) and clients:
 
266
        if options.verbose:
 
267
            keywords = ("Name", "Enabled", "Timeout",
 
268
                        "LastCheckedOK", "Created", "Interval",
 
269
                        "Host", "Fingerprint", "CheckerRunning",
 
270
                        "LastEnabled", "ApprovalPending",
 
271
                        "ApprovedByDefault",
 
272
                        "LastApprovalRequest", "ApprovalDelay",
 
273
                        "ApprovalDuration", "Checker",
 
274
                        "ExtendedTimeout")
 
275
        else:
 
276
            keywords = defaultkeywords
 
277
        
 
278
        print_clients(clients.values(), keywords)
 
279
    else:
 
280
        # Process each client in the list by all selected options
 
281
        for client in clients:
 
282
            if options.remove:
 
283
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
284
            if options.enable:
 
285
                client.Enable(dbus_interface=client_interface)
 
286
            if options.disable:
 
287
                client.Disable(dbus_interface=client_interface)
 
288
            if options.bump_timeout:
 
289
                client.CheckedOK(dbus_interface=client_interface)
 
290
            if options.start_checker:
 
291
                client.StartChecker(dbus_interface=client_interface)
 
292
            if options.stop_checker:
 
293
                client.StopChecker(dbus_interface=client_interface)
 
294
            if options.is_enabled:
 
295
                sys.exit(0 if client.Get(client_interface,
 
296
                                         "Enabled",
 
297
                                         dbus_interface=
 
298
                                         dbus.PROPERTIES_IFACE)
 
299
                         else 1)
 
300
            if options.checker is not None:
 
301
                client.Set(client_interface, "Checker",
 
302
                           options.checker,
 
303
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
304
            if options.host is not None:
 
305
                client.Set(client_interface, "Host", options.host,
 
306
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
307
            if options.interval is not None:
 
308
                client.Set(client_interface, "Interval",
 
309
                           timedelta_to_milliseconds
 
310
                           (string_to_delta(options.interval)),
 
311
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
312
            if options.approval_delay is not None:
 
313
                client.Set(client_interface, "ApprovalDelay",
 
314
                           timedelta_to_milliseconds
 
315
                           (string_to_delta(options.
 
316
                                            approval_delay)),
 
317
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
318
            if options.approval_duration is not None:
 
319
                client.Set(client_interface, "ApprovalDuration",
 
320
                           timedelta_to_milliseconds
 
321
                           (string_to_delta(options.
 
322
                                            approval_duration)),
 
323
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
324
            if options.timeout is not None:
 
325
                client.Set(client_interface, "Timeout",
 
326
                           timedelta_to_milliseconds
 
327
                           (string_to_delta(options.timeout)),
 
328
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
329
            if options.extended_timeout is not None:
 
330
                client.Set(client_interface, "ExtendedTimeout",
 
331
                           timedelta_to_milliseconds
 
332
                           (string_to_delta(options.extended_timeout)),
 
333
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
334
            if options.secret is not None:
 
335
                client.Set(client_interface, "Secret",
 
336
                           dbus.ByteArray(options.secret.read()),
 
337
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
338
            if options.approved_by_default is not None:
 
339
                client.Set(client_interface, "ApprovedByDefault",
 
340
                           dbus.Boolean(options
 
341
                                        .approved_by_default),
 
342
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
343
            if options.approve:
 
344
                client.Approve(dbus.Boolean(True),
 
345
                               dbus_interface=client_interface)
 
346
            elif options.deny:
 
347
                client.Approve(dbus.Boolean(False),
 
348
                               dbus_interface=client_interface)
 
349
 
 
350
if __name__ == "__main__":
 
351
    main()