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  • Committer: Teddy Hogeborn
  • Date: 2019-03-03 01:16:47 UTC
  • Revision ID: teddy@recompile.se-20190303011647-x2oh2nmeuzjuj4bd
mandos-ctl: Rename "tablewords" to "tableheaders"

* mandos-ctl (TableOfClients.tablewords): Rename to "tableheaders";
                                          all users changed.
  (Test_TableOfClients.tablewords): - '' -

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1
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
 
4
 
from __future__ import division
 
2
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
 
3
#
 
4
# Mandos Monitor - Control and monitor the Mandos server
 
5
#
 
6
# Copyright © 2008-2019 Teddy Hogeborn
 
7
# Copyright © 2008-2019 Björn Påhlsson
 
8
#
 
9
# This file is part of Mandos.
 
10
#
 
11
# Mandos is free software: you can redistribute it and/or modify it
 
12
# under the terms of the GNU General Public License as published by
 
13
# the Free Software Foundation, either version 3 of the License, or
 
14
# (at your option) any later version.
 
15
#
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
 
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
19
#     GNU General Public License for more details.
 
20
#
 
21
# You should have received a copy of the GNU General Public License
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
 
24
# Contact the authors at <mandos@recompile.se>.
 
25
#
 
26
 
 
27
from __future__ import (division, absolute_import, print_function,
 
28
                        unicode_literals)
 
29
 
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
 
34
 
5
35
import sys
6
 
import dbus
7
 
from optparse import OptionParser
 
36
import argparse
8
37
import locale
9
38
import datetime
10
39
import re
11
 
 
12
 
locale.setlocale(locale.LC_ALL, u'')
13
 
 
14
 
tablewords = {
15
 
    'Name': u'Name',
16
 
    'Enabled': u'Enabled',
17
 
    'Timeout': u'Timeout',
18
 
    'LastCheckedOK': u'Last Successful Check',
19
 
    'Created': u'Created',
20
 
    'Interval': u'Interval',
21
 
    'Host': u'Host',
22
 
    'Fingerprint': u'Fingerprint',
23
 
    'CheckerRunning': u'Check Is Running',
24
 
    'LastEnabled': u'Last Enabled',
25
 
    'Checker': u'Checker',
26
 
    }
27
 
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
28
 
domain = 'se.bsnet.fukt'
29
 
busname = domain + '.Mandos'
30
 
server_path = '/'
31
 
server_interface = domain + '.Mandos'
32
 
client_interface = domain + '.Mandos.Client'
33
 
version = "1.0.14"
 
40
import os
 
41
import collections
 
42
import json
 
43
import unittest
 
44
import logging
 
45
 
 
46
import dbus
 
47
 
 
48
# Show warnings by default
 
49
if not sys.warnoptions:
 
50
    import warnings
 
51
    warnings.simplefilter("default")
 
52
 
 
53
log = logging.getLogger(sys.argv[0])
 
54
logging.basicConfig(level="INFO", # Show info level messages
 
55
                    format="%(message)s") # Show basic log messages
 
56
 
 
57
logging.captureWarnings(True)   # Show warnings via the logging system
 
58
 
 
59
if sys.version_info.major == 2:
 
60
    str = unicode
 
61
 
 
62
locale.setlocale(locale.LC_ALL, "")
 
63
 
 
64
domain = "se.recompile"
 
65
busname = domain + ".Mandos"
 
66
server_path = "/"
 
67
server_interface = domain + ".Mandos"
 
68
client_interface = domain + ".Mandos.Client"
 
69
version = "1.8.3"
 
70
 
 
71
 
34
72
try:
35
 
    bus = dbus.SystemBus()
36
 
    mandos_dbus_objc = bus.get_object(busname, server_path)
37
 
except dbus.exceptions.DBusException:
38
 
    sys.exit(1)
39
 
    
40
 
mandos_serv = dbus.Interface(mandos_dbus_objc,
41
 
                             dbus_interface = server_interface)
42
 
mandos_clients = mandos_serv.GetAllClientsWithProperties()
 
73
    dbus.OBJECT_MANAGER_IFACE
 
74
except AttributeError:
 
75
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
43
76
 
44
 
def timedelta_to_milliseconds(td):
45
 
    "Convert a datetime.timedelta object to milliseconds"
46
 
    return ((td.days * 24 * 60 * 60 * 1000)
47
 
            + (td.seconds * 1000)
48
 
            + (td.microseconds // 1000))
49
77
 
50
78
def milliseconds_to_string(ms):
51
79
    td = datetime.timedelta(0, 0, 0, ms)
52
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
53
 
            % { "days": "%dT" % td.days if td.days else "",
54
 
                "hours": td.seconds // 3600,
55
 
                "minutes": (td.seconds % 3600) // 60,
56
 
                "seconds": td.seconds % 60,
57
 
                })
 
80
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
81
            .format(days="{}T".format(td.days) if td.days else "",
 
82
                    hours=td.seconds // 3600,
 
83
                    minutes=(td.seconds % 3600) // 60,
 
84
                    seconds=td.seconds % 60))
 
85
 
 
86
 
 
87
def rfc3339_duration_to_delta(duration):
 
88
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
89
 
 
90
    >>> rfc3339_duration_to_delta("P7D")
 
91
    datetime.timedelta(7)
 
92
    >>> rfc3339_duration_to_delta("PT60S")
 
93
    datetime.timedelta(0, 60)
 
94
    >>> rfc3339_duration_to_delta("PT60M")
 
95
    datetime.timedelta(0, 3600)
 
96
    >>> rfc3339_duration_to_delta("P60M")
 
97
    datetime.timedelta(1680)
 
98
    >>> rfc3339_duration_to_delta("PT24H")
 
99
    datetime.timedelta(1)
 
100
    >>> rfc3339_duration_to_delta("P1W")
 
101
    datetime.timedelta(7)
 
102
    >>> rfc3339_duration_to_delta("PT5M30S")
 
103
    datetime.timedelta(0, 330)
 
104
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
105
    datetime.timedelta(1, 200)
 
106
    >>> # Can not be empty:
 
107
    >>> rfc3339_duration_to_delta("")
 
108
    Traceback (most recent call last):
 
109
    ...
 
110
    ValueError: Invalid RFC 3339 duration: u''
 
111
    >>> # Must start with "P":
 
112
    >>> rfc3339_duration_to_delta("1D")
 
113
    Traceback (most recent call last):
 
114
    ...
 
115
    ValueError: Invalid RFC 3339 duration: u'1D'
 
116
    >>> # Must use correct order
 
117
    >>> rfc3339_duration_to_delta("PT1S2M")
 
118
    Traceback (most recent call last):
 
119
    ...
 
120
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
 
121
    >>> # Time needs time marker
 
122
    >>> rfc3339_duration_to_delta("P1H2S")
 
123
    Traceback (most recent call last):
 
124
    ...
 
125
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
 
126
    >>> # Weeks can not be combined with anything else
 
127
    >>> rfc3339_duration_to_delta("P1D2W")
 
128
    Traceback (most recent call last):
 
129
    ...
 
130
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
 
131
    >>> rfc3339_duration_to_delta("P2W2H")
 
132
    Traceback (most recent call last):
 
133
    ...
 
134
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
 
135
    """
 
136
 
 
137
    # Parsing an RFC 3339 duration with regular expressions is not
 
138
    # possible - there would have to be multiple places for the same
 
139
    # values, like seconds.  The current code, while more esoteric, is
 
140
    # cleaner without depending on a parsing library.  If Python had a
 
141
    # built-in library for parsing we would use it, but we'd like to
 
142
    # avoid excessive use of external libraries.
 
143
 
 
144
    # New type for defining tokens, syntax, and semantics all-in-one
 
145
    Token = collections.namedtuple("Token", (
 
146
        "regexp",  # To match token; if "value" is not None, must have
 
147
                   # a "group" containing digits
 
148
        "value",   # datetime.timedelta or None
 
149
        "followers"))           # Tokens valid after this token
 
150
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
151
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
152
    token_end = Token(re.compile(r"$"), None, frozenset())
 
153
    token_second = Token(re.compile(r"(\d+)S"),
 
154
                         datetime.timedelta(seconds=1),
 
155
                         frozenset((token_end, )))
 
156
    token_minute = Token(re.compile(r"(\d+)M"),
 
157
                         datetime.timedelta(minutes=1),
 
158
                         frozenset((token_second, token_end)))
 
159
    token_hour = Token(re.compile(r"(\d+)H"),
 
160
                       datetime.timedelta(hours=1),
 
161
                       frozenset((token_minute, token_end)))
 
162
    token_time = Token(re.compile(r"T"),
 
163
                       None,
 
164
                       frozenset((token_hour, token_minute,
 
165
                                  token_second)))
 
166
    token_day = Token(re.compile(r"(\d+)D"),
 
167
                      datetime.timedelta(days=1),
 
168
                      frozenset((token_time, token_end)))
 
169
    token_month = Token(re.compile(r"(\d+)M"),
 
170
                        datetime.timedelta(weeks=4),
 
171
                        frozenset((token_day, token_end)))
 
172
    token_year = Token(re.compile(r"(\d+)Y"),
 
173
                       datetime.timedelta(weeks=52),
 
174
                       frozenset((token_month, token_end)))
 
175
    token_week = Token(re.compile(r"(\d+)W"),
 
176
                       datetime.timedelta(weeks=1),
 
177
                       frozenset((token_end, )))
 
178
    token_duration = Token(re.compile(r"P"), None,
 
179
                           frozenset((token_year, token_month,
 
180
                                      token_day, token_time,
 
181
                                      token_week)))
 
182
    # Define starting values:
 
183
    # Value so far
 
184
    value = datetime.timedelta()
 
185
    found_token = None
 
186
    # Following valid tokens
 
187
    followers = frozenset((token_duration, ))
 
188
    # String left to parse
 
189
    s = duration
 
190
    # Loop until end token is found
 
191
    while found_token is not token_end:
 
192
        # Search for any currently valid tokens
 
193
        for token in followers:
 
194
            match = token.regexp.match(s)
 
195
            if match is not None:
 
196
                # Token found
 
197
                if token.value is not None:
 
198
                    # Value found, parse digits
 
199
                    factor = int(match.group(1), 10)
 
200
                    # Add to value so far
 
201
                    value += factor * token.value
 
202
                # Strip token from string
 
203
                s = token.regexp.sub("", s, 1)
 
204
                # Go to found token
 
205
                found_token = token
 
206
                # Set valid next tokens
 
207
                followers = found_token.followers
 
208
                break
 
209
        else:
 
210
            # No currently valid tokens were found
 
211
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
212
                             .format(duration))
 
213
    # End token found
 
214
    return value
58
215
 
59
216
 
60
217
def string_to_delta(interval):
61
 
    """Parse a string and return a datetime.timedelta
62
 
 
63
 
    >>> string_to_delta('7d')
 
218
    """Parse a string and return a datetime.timedelta"""
 
219
 
 
220
    try:
 
221
        return rfc3339_duration_to_delta(interval)
 
222
    except ValueError as e:
 
223
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
224
                    ' '.join(e.args))
 
225
    return parse_pre_1_6_1_interval(interval)
 
226
 
 
227
 
 
228
def parse_pre_1_6_1_interval(interval):
 
229
    """Parse an interval string as documented by Mandos before 1.6.1,
 
230
    and return a datetime.timedelta
 
231
 
 
232
    >>> parse_pre_1_6_1_interval('7d')
64
233
    datetime.timedelta(7)
65
 
    >>> string_to_delta('60s')
 
234
    >>> parse_pre_1_6_1_interval('60s')
66
235
    datetime.timedelta(0, 60)
67
 
    >>> string_to_delta('60m')
 
236
    >>> parse_pre_1_6_1_interval('60m')
68
237
    datetime.timedelta(0, 3600)
69
 
    >>> string_to_delta('24h')
 
238
    >>> parse_pre_1_6_1_interval('24h')
70
239
    datetime.timedelta(1)
71
 
    >>> string_to_delta(u'1w')
 
240
    >>> parse_pre_1_6_1_interval('1w')
72
241
    datetime.timedelta(7)
73
 
    >>> string_to_delta('5m 30s')
 
242
    >>> parse_pre_1_6_1_interval('5m 30s')
74
243
    datetime.timedelta(0, 330)
 
244
    >>> parse_pre_1_6_1_interval('')
 
245
    datetime.timedelta(0)
 
246
    >>> # Ignore unknown characters, allow any order and repetitions
 
247
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
248
    datetime.timedelta(2, 480, 18000)
 
249
 
75
250
    """
76
 
    timevalue = datetime.timedelta(0)
77
 
    regexp = re.compile("\d+[dsmhw]")
78
 
    
79
 
    for s in regexp.findall(interval):
80
 
        try:
81
 
            suffix = unicode(s[-1])
82
 
            value = int(s[:-1])
83
 
            if suffix == u"d":
84
 
                delta = datetime.timedelta(value)
85
 
            elif suffix == u"s":
86
 
                delta = datetime.timedelta(0, value)
87
 
            elif suffix == u"m":
88
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
89
 
            elif suffix == u"h":
90
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
91
 
            elif suffix == u"w":
92
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
93
 
            else:
94
 
                raise ValueError
95
 
        except (ValueError, IndexError):
96
 
            raise ValueError
97
 
        timevalue += delta
98
 
    return timevalue
99
 
 
100
 
def print_clients(clients):
 
251
 
 
252
    value = datetime.timedelta(0)
 
253
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
254
 
 
255
    for num, suffix in regexp.findall(interval):
 
256
        if suffix == "d":
 
257
            value += datetime.timedelta(int(num))
 
258
        elif suffix == "s":
 
259
            value += datetime.timedelta(0, int(num))
 
260
        elif suffix == "m":
 
261
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
262
        elif suffix == "h":
 
263
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
264
        elif suffix == "w":
 
265
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
266
        elif suffix == "":
 
267
            value += datetime.timedelta(0, 0, 0, int(num))
 
268
    return value
 
269
 
 
270
 
 
271
class TableOfClients(object):
 
272
    tableheaders = {
 
273
        "Name": "Name",
 
274
        "Enabled": "Enabled",
 
275
        "Timeout": "Timeout",
 
276
        "LastCheckedOK": "Last Successful Check",
 
277
        "LastApprovalRequest": "Last Approval Request",
 
278
        "Created": "Created",
 
279
        "Interval": "Interval",
 
280
        "Host": "Host",
 
281
        "Fingerprint": "Fingerprint",
 
282
        "KeyID": "Key ID",
 
283
        "CheckerRunning": "Check Is Running",
 
284
        "LastEnabled": "Last Enabled",
 
285
        "ApprovalPending": "Approval Is Pending",
 
286
        "ApprovedByDefault": "Approved By Default",
 
287
        "ApprovalDelay": "Approval Delay",
 
288
        "ApprovalDuration": "Approval Duration",
 
289
        "Checker": "Checker",
 
290
        "ExtendedTimeout": "Extended Timeout",
 
291
        "Expires": "Expires",
 
292
        "LastCheckerStatus": "Last Checker Status",
 
293
    }
 
294
 
 
295
    def __init__(self, clients, keywords, tableheaders=None):
 
296
        self.clients = clients
 
297
        self.keywords = keywords
 
298
        if tableheaders is not None:
 
299
            self.tableheaders = tableheaders
 
300
 
 
301
    def __str__(self):
 
302
        return "\n".join(self.rows())
 
303
 
 
304
    if sys.version_info.major == 2:
 
305
        __unicode__ = __str__
 
306
        def __str__(self):
 
307
            return str(self).encode(locale.getpreferredencoding())
 
308
 
 
309
    def rows(self):
 
310
        format_string = self.row_formatting_string()
 
311
        rows = [self.header_line(format_string)]
 
312
        rows.extend(self.client_line(client, format_string)
 
313
                    for client in self.clients)
 
314
        return rows
 
315
 
 
316
    def row_formatting_string(self):
 
317
        "Format string used to format table rows"
 
318
        return " ".join("{{{key}:{width}}}".format(
 
319
            width=max(len(self.tableheaders[key]),
 
320
                      *(len(self.string_from_client(client, key))
 
321
                        for client in self.clients)),
 
322
            key=key)
 
323
                        for key in self.keywords)
 
324
 
 
325
    def string_from_client(self, client, key):
 
326
        return self.valuetostring(client[key], key)
 
327
 
 
328
    @staticmethod
101
329
    def valuetostring(value, keyword):
102
 
        if type(value) is dbus.Boolean:
103
 
            return u"Yes" if value else u"No"
104
 
        if keyword in (u"timeout", u"interval"):
 
330
        if isinstance(value, dbus.Boolean):
 
331
            return "Yes" if value else "No"
 
332
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
333
                       "ApprovalDuration", "ExtendedTimeout"):
105
334
            return milliseconds_to_string(value)
106
 
        return unicode(value)
107
 
    
108
 
    # Create format string to print table rows
109
 
    format_string = u' '.join(u'%%-%ds' %
110
 
                              max(len(tablewords[key]),
111
 
                                  max(len(valuetostring(client[key],
112
 
                                                        key))
113
 
                                      for client in
114
 
                                      clients))
115
 
                              for key in keywords)
116
 
    # Print header line
117
 
    print format_string % tuple(tablewords[key] for key in keywords)
118
 
    for client in clients:
119
 
        print format_string % tuple(valuetostring(client[key], key)
120
 
                                    for key in keywords)
121
 
 
122
 
parser = OptionParser(version = "%%prog %s" % version)
123
 
parser.add_option("-a", "--all", action="store_true",
124
 
                  help="Print all fields")
125
 
parser.add_option("-e", "--enable", action="store_true",
126
 
                  help="Enable client")
127
 
parser.add_option("-d", "--disable", action="store_true",
128
 
                  help="disable client")
129
 
parser.add_option("-b", "--bump-timeout", action="store_true",
130
 
                  help="Bump timeout for client")
131
 
parser.add_option("--start-checker", action="store_true",
132
 
                  help="Start checker for client")
133
 
parser.add_option("--stop-checker", action="store_true",
134
 
                  help="Stop checker for client")
135
 
parser.add_option("-V", "--is-enabled", action="store_true",
136
 
                  help="Check if client is enabled")
137
 
parser.add_option("-r", "--remove", action="store_true",
138
 
                  help="Remove client")
139
 
parser.add_option("-c", "--checker", type="string",
140
 
                  help="Set checker command for client")
141
 
parser.add_option("-t", "--timeout", type="string",
142
 
                  help="Set timeout for client")
143
 
parser.add_option("-i", "--interval", type="string",
144
 
                  help="Set checker interval for client")
145
 
parser.add_option("-H", "--host", type="string",
146
 
                  help="Set host for client")
147
 
parser.add_option("-s", "--secret", type="string",
148
 
                  help="Set password blob (file) for client")
149
 
parser.add_option("-A", "--approve", action="store_true",
150
 
                  help="Approve any current client request")
151
 
parser.add_option("-D", "--deny", action="store_true",
152
 
                  help="Deny any current client request")
153
 
options, client_names = parser.parse_args()
154
 
 
155
 
# Compile list of clients to process
156
 
clients=[]
157
 
for name in client_names:
158
 
    for path, client in mandos_clients.iteritems():
159
 
        if client['name'] == name:
160
 
            client_objc = bus.get_object(busname, path)
161
 
            clients.append(client_objc)
162
 
            break
163
 
    else:
164
 
        print >> sys.stderr, "Client not found on server: %r" % name
165
 
        sys.exit(1)
166
 
 
167
 
if not clients and mandos_clients.values():
168
 
    keywords = defaultkeywords
169
 
    if options.all:
170
 
        keywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK',
171
 
                    'Created', 'Interval', 'Host', 'Fingerprint',
172
 
                    'CheckerRunning', 'LastEnabled', 'Checker')
173
 
    print_clients(mandos_clients.values())
174
 
 
175
 
# Process each client in the list by all selected options
176
 
for client in clients:
177
 
    if options.remove:
178
 
        mandos_serv.RemoveClient(client.__dbus_object_path__)
 
335
        return str(value)
 
336
 
 
337
    def header_line(self, format_string):
 
338
        return format_string.format(**self.tableheaders)
 
339
 
 
340
    def client_line(self, client, format_string):
 
341
        return format_string.format(
 
342
            **{key: self.string_from_client(client, key)
 
343
               for key in self.keywords})
 
344
 
 
345
 
 
346
## Classes for commands.
 
347
 
 
348
# Abstract classes first
 
349
class Command(object):
 
350
    """Abstract class for commands"""
 
351
    def run(self, clients):
 
352
        """Normal commands should implement run_on_one_client(), but
 
353
        commands which want to operate on all clients at the same time
 
354
        can override this run() method instead."""
 
355
        for client in clients:
 
356
            self.run_on_one_client(client)
 
357
 
 
358
class PrintCmd(Command):
 
359
    """Abstract class for commands printing client details"""
 
360
    all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
361
                    "Created", "Interval", "Host", "KeyID",
 
362
                    "Fingerprint", "CheckerRunning", "LastEnabled",
 
363
                    "ApprovalPending", "ApprovedByDefault",
 
364
                    "LastApprovalRequest", "ApprovalDelay",
 
365
                    "ApprovalDuration", "Checker", "ExtendedTimeout",
 
366
                    "Expires", "LastCheckerStatus")
 
367
    def run(self, clients):
 
368
        print(self.output(clients))
 
369
 
 
370
class PropertyCmd(Command):
 
371
    """Abstract class for Actions for setting one client property"""
 
372
    def run_on_one_client(self, client):
 
373
        """Set the Client's D-Bus property"""
 
374
        client.Set(client_interface, self.property, self.value_to_set,
 
375
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
376
 
 
377
class ValueArgumentMixIn(object):
 
378
    """Mixin class for commands taking a value as argument"""
 
379
    def __init__(self, value):
 
380
        self.value_to_set = value
 
381
 
 
382
class MillisecondsValueArgumentMixIn(ValueArgumentMixIn):
 
383
    """Mixin class for commands taking a value argument as
 
384
    milliseconds."""
 
385
    @property
 
386
    def value_to_set(self):
 
387
        return self._vts
 
388
    @value_to_set.setter
 
389
    def value_to_set(self, value):
 
390
        """When setting, convert value to a datetime.timedelta"""
 
391
        self._vts = string_to_delta(value).total_seconds() * 1000
 
392
 
 
393
# Actual (non-abstract) command classes
 
394
 
 
395
class PrintTableCmd(PrintCmd):
 
396
    def __init__(self, verbose=False):
 
397
        self.verbose = verbose
 
398
    def output(self, clients):
 
399
        if self.verbose:
 
400
            keywords = self.all_keywords
 
401
        else:
 
402
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
403
        return str(TableOfClients(clients.values(), keywords))
 
404
 
 
405
class DumpJSONCmd(PrintCmd):
 
406
    def output(self, clients):
 
407
        data = {client["Name"]:
 
408
                {key: self.dbus_boolean_to_bool(client[key])
 
409
                 for key in self.all_keywords}
 
410
                for client in clients.values()}
 
411
        return json.dumps(data, indent=4, separators=(',', ': '))
 
412
    @staticmethod
 
413
    def dbus_boolean_to_bool(value):
 
414
        if isinstance(value, dbus.Boolean):
 
415
            value = bool(value)
 
416
        return value
 
417
 
 
418
class IsEnabledCmd(Command):
 
419
    def run_on_one_client(self, client):
 
420
        if self.is_enabled(client):
 
421
            sys.exit(0)
 
422
        sys.exit(1)
 
423
    def is_enabled(self, client):
 
424
        return client.Get(client_interface, "Enabled",
 
425
                          dbus_interface=dbus.PROPERTIES_IFACE)
 
426
 
 
427
class RemoveCmd(Command):
 
428
    def __init__(self, mandos):
 
429
        self.mandos = mandos
 
430
    def run_on_one_client(self, client):
 
431
        self.mandos.RemoveClient(client.__dbus_object_path__)
 
432
 
 
433
class ApproveCmd(Command):
 
434
    def run_on_one_client(self, client):
 
435
        client.Approve(dbus.Boolean(True),
 
436
                       dbus_interface=client_interface)
 
437
 
 
438
class DenyCmd(Command):
 
439
    def run_on_one_client(self, client):
 
440
        client.Approve(dbus.Boolean(False),
 
441
                       dbus_interface=client_interface)
 
442
 
 
443
class EnableCmd(PropertyCmd):
 
444
    property = "Enabled"
 
445
    value_to_set = dbus.Boolean(True)
 
446
 
 
447
class DisableCmd(PropertyCmd):
 
448
    property = "Enabled"
 
449
    value_to_set = dbus.Boolean(False)
 
450
 
 
451
class BumpTimeoutCmd(PropertyCmd):
 
452
    property = "LastCheckedOK"
 
453
    value_to_set = ""
 
454
 
 
455
class StartCheckerCmd(PropertyCmd):
 
456
    property = "CheckerRunning"
 
457
    value_to_set = dbus.Boolean(True)
 
458
 
 
459
class StopCheckerCmd(PropertyCmd):
 
460
    property = "CheckerRunning"
 
461
    value_to_set = dbus.Boolean(False)
 
462
 
 
463
class ApproveByDefaultCmd(PropertyCmd):
 
464
    property = "ApprovedByDefault"
 
465
    value_to_set = dbus.Boolean(True)
 
466
 
 
467
class DenyByDefaultCmd(PropertyCmd):
 
468
    property = "ApprovedByDefault"
 
469
    value_to_set = dbus.Boolean(False)
 
470
 
 
471
class SetCheckerCmd(PropertyCmd, ValueArgumentMixIn):
 
472
    property = "Checker"
 
473
 
 
474
class SetHostCmd(PropertyCmd, ValueArgumentMixIn):
 
475
    property = "Host"
 
476
 
 
477
class SetSecretCmd(PropertyCmd, ValueArgumentMixIn):
 
478
    property = "Secret"
 
479
 
 
480
class SetTimeoutCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
481
    property = "Timeout"
 
482
 
 
483
class SetExtendedTimeoutCmd(PropertyCmd,
 
484
                            MillisecondsValueArgumentMixIn):
 
485
    property = "ExtendedTimeout"
 
486
 
 
487
class SetIntervalCmd(PropertyCmd, MillisecondsValueArgumentMixIn):
 
488
    property = "Interval"
 
489
 
 
490
class SetApprovalDelayCmd(PropertyCmd,
 
491
                          MillisecondsValueArgumentMixIn):
 
492
    property = "ApprovalDelay"
 
493
 
 
494
class SetApprovalDurationCmd(PropertyCmd,
 
495
                             MillisecondsValueArgumentMixIn):
 
496
    property = "ApprovalDuration"
 
497
 
 
498
def has_actions(options):
 
499
    return any((options.enable,
 
500
                options.disable,
 
501
                options.bump_timeout,
 
502
                options.start_checker,
 
503
                options.stop_checker,
 
504
                options.is_enabled,
 
505
                options.remove,
 
506
                options.checker is not None,
 
507
                options.timeout is not None,
 
508
                options.extended_timeout is not None,
 
509
                options.interval is not None,
 
510
                options.approved_by_default is not None,
 
511
                options.approval_delay is not None,
 
512
                options.approval_duration is not None,
 
513
                options.host is not None,
 
514
                options.secret is not None,
 
515
                options.approve,
 
516
                options.deny))
 
517
 
 
518
 
 
519
def main():
 
520
    parser = argparse.ArgumentParser()
 
521
    parser.add_argument("--version", action="version",
 
522
                        version="%(prog)s {}".format(version),
 
523
                        help="show version number and exit")
 
524
    parser.add_argument("-a", "--all", action="store_true",
 
525
                        help="Select all clients")
 
526
    parser.add_argument("-v", "--verbose", action="store_true",
 
527
                        help="Print all fields")
 
528
    parser.add_argument("-j", "--dump-json", action="store_true",
 
529
                        help="Dump client data in JSON format")
 
530
    enable_disable = parser.add_mutually_exclusive_group()
 
531
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
532
                                help="Enable client")
 
533
    enable_disable.add_argument("-d", "--disable",
 
534
                                action="store_true",
 
535
                                help="disable client")
 
536
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
537
                        help="Bump timeout for client")
 
538
    start_stop_checker = parser.add_mutually_exclusive_group()
 
539
    start_stop_checker.add_argument("--start-checker",
 
540
                                    action="store_true",
 
541
                                    help="Start checker for client")
 
542
    start_stop_checker.add_argument("--stop-checker",
 
543
                                    action="store_true",
 
544
                                    help="Stop checker for client")
 
545
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
546
                        help="Check if client is enabled")
 
547
    parser.add_argument("-r", "--remove", action="store_true",
 
548
                        help="Remove client")
 
549
    parser.add_argument("-c", "--checker",
 
550
                        help="Set checker command for client")
 
551
    parser.add_argument("-t", "--timeout",
 
552
                        help="Set timeout for client")
 
553
    parser.add_argument("--extended-timeout",
 
554
                        help="Set extended timeout for client")
 
555
    parser.add_argument("-i", "--interval",
 
556
                        help="Set checker interval for client")
 
557
    approve_deny_default = parser.add_mutually_exclusive_group()
 
558
    approve_deny_default.add_argument(
 
559
        "--approve-by-default", action="store_true",
 
560
        default=None, dest="approved_by_default",
 
561
        help="Set client to be approved by default")
 
562
    approve_deny_default.add_argument(
 
563
        "--deny-by-default", action="store_false",
 
564
        dest="approved_by_default",
 
565
        help="Set client to be denied by default")
 
566
    parser.add_argument("--approval-delay",
 
567
                        help="Set delay before client approve/deny")
 
568
    parser.add_argument("--approval-duration",
 
569
                        help="Set duration of one client approval")
 
570
    parser.add_argument("-H", "--host", help="Set host for client")
 
571
    parser.add_argument("-s", "--secret",
 
572
                        type=argparse.FileType(mode="rb"),
 
573
                        help="Set password blob (file) for client")
 
574
    approve_deny = parser.add_mutually_exclusive_group()
 
575
    approve_deny.add_argument(
 
576
        "-A", "--approve", action="store_true",
 
577
        help="Approve any current client request")
 
578
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
579
                              help="Deny any current client request")
 
580
    parser.add_argument("--check", action="store_true",
 
581
                        help="Run self-test")
 
582
    parser.add_argument("client", nargs="*", help="Client name")
 
583
    options = parser.parse_args()
 
584
 
 
585
    if has_actions(options) and not (options.client or options.all):
 
586
        parser.error("Options require clients names or --all.")
 
587
    if options.verbose and has_actions(options):
 
588
        parser.error("--verbose can only be used alone.")
 
589
    if options.dump_json and (options.verbose
 
590
                              or has_actions(options)):
 
591
        parser.error("--dump-json can only be used alone.")
 
592
    if options.all and not has_actions(options):
 
593
        parser.error("--all requires an action.")
 
594
    if options.is_enabled and len(options.client) > 1:
 
595
            parser.error("--is-enabled requires exactly one client")
 
596
 
 
597
    try:
 
598
        bus = dbus.SystemBus()
 
599
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
600
    except dbus.exceptions.DBusException:
 
601
        log.critical("Could not connect to Mandos server")
 
602
        sys.exit(1)
 
603
 
 
604
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
605
                                 dbus_interface=server_interface)
 
606
    mandos_serv_object_manager = dbus.Interface(
 
607
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
608
 
 
609
    commands = []
 
610
 
 
611
    if options.dump_json:
 
612
        commands.append(DumpJSONCmd())
 
613
 
179
614
    if options.enable:
180
 
        client.Enable(dbus_interface=client_interface)
 
615
        commands.append(EnableCmd())
 
616
 
181
617
    if options.disable:
182
 
        client.Disable(dbus_interface=client_interface)
 
618
        commands.append(DisableCmd())
 
619
 
183
620
    if options.bump_timeout:
184
 
        client.CheckedOK(dbus_interface=client_interface)
 
621
        commands.append(BumpTimeoutCmd(options.bump_timeout))
 
622
 
185
623
    if options.start_checker:
186
 
        client.StartChecker(dbus_interface=client_interface)
 
624
        commands.append(StartCheckerCmd())
 
625
 
187
626
    if options.stop_checker:
188
 
        client.StopChecker(dbus_interface=client_interface)
 
627
        commands.append(StopCheckerCmd())
 
628
 
189
629
    if options.is_enabled:
190
 
        sys.exit(0 if client.Get(client_interface,
191
 
                                 u"Enabled",
192
 
                                 dbus_interface=dbus.PROPERTIES_IFACE)
193
 
                 else 1)
194
 
    if options.checker:
195
 
        client.Set(client_interface, u"Checker", options.checker,
196
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
197
 
    if options.host:
198
 
        client.Set(client_interface, u"Host", options.host,
199
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
200
 
    if options.interval:
201
 
        client.Set(client_interface, u"Interval",
202
 
                   timedelta_to_milliseconds
203
 
                   (string_to_delta(options.interval)),
204
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
205
 
    if options.timeout:
206
 
        client.Set(client_interface, u"Timeout",
207
 
                   timedelta_to_milliseconds(string_to_delta
208
 
                                             (options.timeout)),
209
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
210
 
    if options.secret:
211
 
        client.Set(client_interface, u"Secret",
212
 
                   dbus.ByteArray(open(options.secret, u'rb').read()),
213
 
                   dbus_interface=dbus.PROPERTIES_IFACE)
 
630
        commands.append(IsEnabledCmd())
 
631
 
 
632
    if options.remove:
 
633
        commands.append(RemoveCmd(mandos_serv))
 
634
 
 
635
    if options.checker is not None:
 
636
        commands.append(SetCheckerCmd())
 
637
 
 
638
    if options.timeout is not None:
 
639
        commands.append(SetTimeoutCmd(options.timeout))
 
640
 
 
641
    if options.extended_timeout:
 
642
        commands.append(
 
643
            SetExtendedTimeoutCmd(options.extended_timeout))
 
644
 
 
645
    if options.interval is not None:
 
646
        command.append(SetIntervalCmd(options.interval))
 
647
 
 
648
    if options.approved_by_default is not None:
 
649
        if options.approved_by_default:
 
650
            command.append(ApproveByDefaultCmd())
 
651
        else:
 
652
            command.append(DenyByDefaultCmd())
 
653
 
 
654
    if options.approval_delay is not None:
 
655
        command.append(SetApprovalDelayCmd(options.approval_delay))
 
656
 
 
657
    if options.approval_duration is not None:
 
658
        command.append(
 
659
            SetApprovalDurationCmd(options.approval_duration))
 
660
 
 
661
    if options.host is not None:
 
662
        command.append(SetHostCmd(options.host))
 
663
 
 
664
    if options.secret is not None:
 
665
        command.append(SetSecretCmd(options.secret))
 
666
 
214
667
    if options.approve:
215
 
        client.Approve(dbus.Boolean(True),
216
 
                       dbus_interface=client_interface)
 
668
        commands.append(ApproveCmd())
 
669
 
217
670
    if options.deny:
218
 
        client.Approve(dbus.Boolean(False),
219
 
                       dbus_interface=client_interface)
 
671
        commands.append(DenyCmd())
 
672
 
 
673
    # If no command option has been given, show table of clients,
 
674
    # optionally verbosely
 
675
    if not commands:
 
676
        commands.append(PrintTableCmd(verbose=options.verbose))
 
677
 
 
678
    # block stderr since dbus library prints to stderr
 
679
    null = os.open(os.path.devnull, os.O_RDWR)
 
680
    stderrcopy = os.dup(sys.stderr.fileno())
 
681
    os.dup2(null, sys.stderr.fileno())
 
682
    os.close(null)
 
683
    try:
 
684
        try:
 
685
            mandos_clients = {path: ifs_and_props[client_interface]
 
686
                              for path, ifs_and_props in
 
687
                              mandos_serv_object_manager
 
688
                              .GetManagedObjects().items()
 
689
                              if client_interface in ifs_and_props}
 
690
        finally:
 
691
            # restore stderr
 
692
            os.dup2(stderrcopy, sys.stderr.fileno())
 
693
            os.close(stderrcopy)
 
694
    except dbus.exceptions.DBusException as e:
 
695
        log.critical("Failed to access Mandos server through D-Bus:"
 
696
                     "\n%s", e)
 
697
        sys.exit(1)
 
698
 
 
699
    # Compile dict of (clients: properties) to process
 
700
    clients = {}
 
701
 
 
702
    if options.all or not options.client:
 
703
        clients = {bus.get_object(busname, path): properties
 
704
                   for path, properties in mandos_clients.items()}
 
705
    else:
 
706
        for name in options.client:
 
707
            for path, client in mandos_clients.items():
 
708
                if client["Name"] == name:
 
709
                    client_objc = bus.get_object(busname, path)
 
710
                    clients[client_objc] = client
 
711
                    break
 
712
            else:
 
713
                log.critical("Client not found on server: %r", name)
 
714
                sys.exit(1)
 
715
 
 
716
    # Run all commands on clients
 
717
    for command in commands:
 
718
        command.run(clients)
 
719
 
 
720
 
 
721
class Test_milliseconds_to_string(unittest.TestCase):
 
722
    def test_all(self):
 
723
        self.assertEqual(milliseconds_to_string(93785000),
 
724
                         "1T02:03:05")
 
725
    def test_no_days(self):
 
726
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
727
    def test_all_zero(self):
 
728
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
729
    def test_no_fractional_seconds(self):
 
730
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
731
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
732
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
733
 
 
734
class Test_string_to_delta(unittest.TestCase):
 
735
    def test_handles_basic_rfc3339(self):
 
736
        self.assertEqual(string_to_delta("PT2H"),
 
737
                         datetime.timedelta(0, 7200))
 
738
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
739
        # assertLogs only exists in Python 3.4
 
740
        if hasattr(self, "assertLogs"):
 
741
            with self.assertLogs(log, logging.WARNING):
 
742
                value = string_to_delta("2h")
 
743
        else:
 
744
            value = string_to_delta("2h")
 
745
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
746
 
 
747
class Test_TableOfClients(unittest.TestCase):
 
748
    def setUp(self):
 
749
        self.tableheaders = {
 
750
            "Attr1": "X",
 
751
            "AttrTwo": "Yy",
 
752
            "AttrThree": "Zzz",
 
753
            "Bool": "A D-BUS Boolean",
 
754
            "NonDbusBoolean": "A Non-D-BUS Boolean",
 
755
            "Integer": "An Integer",
 
756
            "Timeout": "Timedelta 1",
 
757
            "Interval": "Timedelta 2",
 
758
            "ApprovalDelay": "Timedelta 3",
 
759
            "ApprovalDuration": "Timedelta 4",
 
760
            "ExtendedTimeout": "Timedelta 5",
 
761
            "String": "A String",
 
762
        }
 
763
        self.keywords = ["Attr1", "AttrTwo"]
 
764
        self.clients = [
 
765
            {
 
766
                "Attr1": "x1",
 
767
                "AttrTwo": "y1",
 
768
                "AttrThree": "z1",
 
769
                "Bool": dbus.Boolean(False),
 
770
                "NonDbusBoolean": False,
 
771
                "Integer": 0,
 
772
                "Timeout": 0,
 
773
                "Interval": 1000,
 
774
                "ApprovalDelay": 2000,
 
775
                "ApprovalDuration": 3000,
 
776
                "ExtendedTimeout": 4000,
 
777
                "String": "",
 
778
            },
 
779
            {
 
780
                "Attr1": "x2",
 
781
                "AttrTwo": "y2",
 
782
                "AttrThree": "z2",
 
783
                "Bool": dbus.Boolean(True),
 
784
                "NonDbusBoolean": True,
 
785
                "Integer": 1,
 
786
                "Timeout": 93785000,
 
787
                "Interval": 93786000,
 
788
                "ApprovalDelay": 93787000,
 
789
                "ApprovalDuration": 93788000,
 
790
                "ExtendedTimeout": 93789000,
 
791
                "String": "A huge string which will not fit," * 10,
 
792
            },
 
793
        ]
 
794
    def test_short_header(self):
 
795
        text = str(TableOfClients(self.clients, self.keywords,
 
796
                                  self.tableheaders))
 
797
        expected_text = """
 
798
X  Yy
 
799
x1 y1
 
800
x2 y2
 
801
"""[1:-1]
 
802
        self.assertEqual(text, expected_text)
 
803
    def test_booleans(self):
 
804
        keywords = ["Bool", "NonDbusBoolean"]
 
805
        text = str(TableOfClients(self.clients, keywords,
 
806
                                  self.tableheaders))
 
807
        expected_text = """
 
808
A D-BUS Boolean A Non-D-BUS Boolean
 
809
No              False              
 
810
Yes             True               
 
811
"""[1:-1]
 
812
        self.assertEqual(text, expected_text)
 
813
    def test_milliseconds_detection(self):
 
814
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
 
815
                    "ApprovalDuration", "ExtendedTimeout"]
 
816
        text = str(TableOfClients(self.clients, keywords,
 
817
                                  self.tableheaders))
 
818
        expected_text = """
 
819
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
 
820
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
 
821
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
 
822
"""[1:-1]
 
823
        self.assertEqual(text, expected_text)
 
824
    def test_empty_and_long_string_values(self):
 
825
        keywords = ["String"]
 
826
        text = str(TableOfClients(self.clients, keywords,
 
827
                                  self.tableheaders))
 
828
        expected_text = """
 
829
A String                                                                                                                                                                                                                                                                                                                                  
 
830
                                                                                                                                                                                                                                                                                                                                          
 
831
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
 
832
"""[1:-1]
 
833
        self.assertEqual(text, expected_text)
 
834
 
 
835
 
 
836
 
 
837
def should_only_run_tests():
 
838
    parser = argparse.ArgumentParser(add_help=False)
 
839
    parser.add_argument("--check", action='store_true')
 
840
    args, unknown_args = parser.parse_known_args()
 
841
    run_tests = args.check
 
842
    if run_tests:
 
843
        # Remove --check argument from sys.argv
 
844
        sys.argv[1:] = unknown_args
 
845
    return run_tests
 
846
 
 
847
# Add all tests from doctest strings
 
848
def load_tests(loader, tests, none):
 
849
    import doctest
 
850
    tests.addTests(doctest.DocTestSuite())
 
851
    return tests
 
852
 
 
853
if __name__ == "__main__":
 
854
    if should_only_run_tests():
 
855
        # Call using ./tdd-python-script --check [--verbose]
 
856
        unittest.main()
 
857
    else:
 
858
        main()