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  • Committer: Teddy Hogeborn
  • Date: 2019-03-02 01:56:35 UTC
  • Revision ID: teddy@recompile.se-20190302015635-xgodxd3ivltju7qn
mandos-ctl: Refactor

* mandos-ctl (global tablewords): Refactor into TableOfClients.
  (TableOfClients.tablewords): New overrideable class attribute.

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mandos-ctl
1
1
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
# 
 
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
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2008-2010 Teddy Hogeborn
7
 
# Copyright © 2008-2010 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
 
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
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
13
15
#
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
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
19
#     GNU General Public License for more details.
18
 
# 
 
20
#
19
21
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21
 
# 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
23
 
# 
24
 
 
25
 
from __future__ import division
 
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
 
26
35
import sys
27
 
import dbus
28
 
from optparse import OptionParser
 
36
import argparse
29
37
import locale
30
38
import datetime
31
39
import re
32
40
import os
33
 
 
34
 
locale.setlocale(locale.LC_ALL, u'')
35
 
 
36
 
tablewords = {
37
 
    'Name': u'Name',
38
 
    'Enabled': u'Enabled',
39
 
    'Timeout': u'Timeout',
40
 
    'LastCheckedOK': u'Last Successful Check',
41
 
    'LastApprovalRequest': u'Last Approval Request',
42
 
    'Created': u'Created',
43
 
    'Interval': u'Interval',
44
 
    'Host': u'Host',
45
 
    'Fingerprint': u'Fingerprint',
46
 
    'CheckerRunning': u'Check Is Running',
47
 
    'LastEnabled': u'Last Enabled',
48
 
    'ApprovalPending': u'Approval Is Pending',
49
 
    'ApprovedByDefault': u'Approved By Default',
50
 
    'ApprovalDelay': u"Approval Delay",
51
 
    'ApprovalDuration': u"Approval Duration",
52
 
    'Checker': u'Checker',
53
 
    }
54
 
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
55
 
domain = 'se.bsnet.fukt'
56
 
busname = domain + '.Mandos'
57
 
server_path = '/'
58
 
server_interface = domain + '.Mandos'
59
 
client_interface = domain + '.Mandos.Client'
60
 
version = "1.2.3"
61
 
 
62
 
def timedelta_to_milliseconds(td):
63
 
    "Convert a datetime.timedelta object to milliseconds"
64
 
    return ((td.days * 24 * 60 * 60 * 1000)
65
 
            + (td.seconds * 1000)
66
 
            + (td.microseconds // 1000))
 
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
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
65
domain = "se.recompile"
 
66
busname = domain + ".Mandos"
 
67
server_path = "/"
 
68
server_interface = domain + ".Mandos"
 
69
client_interface = domain + ".Mandos.Client"
 
70
version = "1.8.3"
 
71
 
 
72
 
 
73
try:
 
74
    dbus.OBJECT_MANAGER_IFACE
 
75
except AttributeError:
 
76
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
77
 
67
78
 
68
79
def milliseconds_to_string(ms):
69
80
    td = datetime.timedelta(0, 0, 0, ms)
70
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
71
 
            % { "days": "%dT" % td.days if td.days else "",
72
 
                "hours": td.seconds // 3600,
73
 
                "minutes": (td.seconds % 3600) // 60,
74
 
                "seconds": td.seconds % 60,
75
 
                })
 
81
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
82
            .format(days="{}T".format(td.days) if td.days else "",
 
83
                    hours=td.seconds // 3600,
 
84
                    minutes=(td.seconds % 3600) // 60,
 
85
                    seconds=td.seconds % 60))
 
86
 
 
87
 
 
88
def rfc3339_duration_to_delta(duration):
 
89
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
90
 
 
91
    >>> rfc3339_duration_to_delta("P7D")
 
92
    datetime.timedelta(7)
 
93
    >>> rfc3339_duration_to_delta("PT60S")
 
94
    datetime.timedelta(0, 60)
 
95
    >>> rfc3339_duration_to_delta("PT60M")
 
96
    datetime.timedelta(0, 3600)
 
97
    >>> rfc3339_duration_to_delta("P60M")
 
98
    datetime.timedelta(1680)
 
99
    >>> rfc3339_duration_to_delta("PT24H")
 
100
    datetime.timedelta(1)
 
101
    >>> rfc3339_duration_to_delta("P1W")
 
102
    datetime.timedelta(7)
 
103
    >>> rfc3339_duration_to_delta("PT5M30S")
 
104
    datetime.timedelta(0, 330)
 
105
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
106
    datetime.timedelta(1, 200)
 
107
    >>> # Can not be empty:
 
108
    >>> rfc3339_duration_to_delta("")
 
109
    Traceback (most recent call last):
 
110
    ...
 
111
    ValueError: Invalid RFC 3339 duration: u''
 
112
    >>> # Must start with "P":
 
113
    >>> rfc3339_duration_to_delta("1D")
 
114
    Traceback (most recent call last):
 
115
    ...
 
116
    ValueError: Invalid RFC 3339 duration: u'1D'
 
117
    >>> # Must use correct order
 
118
    >>> rfc3339_duration_to_delta("PT1S2M")
 
119
    Traceback (most recent call last):
 
120
    ...
 
121
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
 
122
    >>> # Time needs time marker
 
123
    >>> rfc3339_duration_to_delta("P1H2S")
 
124
    Traceback (most recent call last):
 
125
    ...
 
126
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
 
127
    >>> # Weeks can not be combined with anything else
 
128
    >>> rfc3339_duration_to_delta("P1D2W")
 
129
    Traceback (most recent call last):
 
130
    ...
 
131
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
 
132
    >>> rfc3339_duration_to_delta("P2W2H")
 
133
    Traceback (most recent call last):
 
134
    ...
 
135
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
 
136
    """
 
137
 
 
138
    # Parsing an RFC 3339 duration with regular expressions is not
 
139
    # possible - there would have to be multiple places for the same
 
140
    # values, like seconds.  The current code, while more esoteric, is
 
141
    # cleaner without depending on a parsing library.  If Python had a
 
142
    # built-in library for parsing we would use it, but we'd like to
 
143
    # avoid excessive use of external libraries.
 
144
 
 
145
    # New type for defining tokens, syntax, and semantics all-in-one
 
146
    Token = collections.namedtuple("Token", (
 
147
        "regexp",  # To match token; if "value" is not None, must have
 
148
                   # a "group" containing digits
 
149
        "value",   # datetime.timedelta or None
 
150
        "followers"))           # Tokens valid after this token
 
151
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
152
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
153
    token_end = Token(re.compile(r"$"), None, frozenset())
 
154
    token_second = Token(re.compile(r"(\d+)S"),
 
155
                         datetime.timedelta(seconds=1),
 
156
                         frozenset((token_end, )))
 
157
    token_minute = Token(re.compile(r"(\d+)M"),
 
158
                         datetime.timedelta(minutes=1),
 
159
                         frozenset((token_second, token_end)))
 
160
    token_hour = Token(re.compile(r"(\d+)H"),
 
161
                       datetime.timedelta(hours=1),
 
162
                       frozenset((token_minute, token_end)))
 
163
    token_time = Token(re.compile(r"T"),
 
164
                       None,
 
165
                       frozenset((token_hour, token_minute,
 
166
                                  token_second)))
 
167
    token_day = Token(re.compile(r"(\d+)D"),
 
168
                      datetime.timedelta(days=1),
 
169
                      frozenset((token_time, token_end)))
 
170
    token_month = Token(re.compile(r"(\d+)M"),
 
171
                        datetime.timedelta(weeks=4),
 
172
                        frozenset((token_day, token_end)))
 
173
    token_year = Token(re.compile(r"(\d+)Y"),
 
174
                       datetime.timedelta(weeks=52),
 
175
                       frozenset((token_month, token_end)))
 
176
    token_week = Token(re.compile(r"(\d+)W"),
 
177
                       datetime.timedelta(weeks=1),
 
178
                       frozenset((token_end, )))
 
179
    token_duration = Token(re.compile(r"P"), None,
 
180
                           frozenset((token_year, token_month,
 
181
                                      token_day, token_time,
 
182
                                      token_week)))
 
183
    # Define starting values:
 
184
    # Value so far
 
185
    value = datetime.timedelta()
 
186
    found_token = None
 
187
    # Following valid tokens
 
188
    followers = frozenset((token_duration, ))
 
189
    # String left to parse
 
190
    s = duration
 
191
    # Loop until end token is found
 
192
    while found_token is not token_end:
 
193
        # Search for any currently valid tokens
 
194
        for token in followers:
 
195
            match = token.regexp.match(s)
 
196
            if match is not None:
 
197
                # Token found
 
198
                if token.value is not None:
 
199
                    # Value found, parse digits
 
200
                    factor = int(match.group(1), 10)
 
201
                    # Add to value so far
 
202
                    value += factor * token.value
 
203
                # Strip token from string
 
204
                s = token.regexp.sub("", s, 1)
 
205
                # Go to found token
 
206
                found_token = token
 
207
                # Set valid next tokens
 
208
                followers = found_token.followers
 
209
                break
 
210
        else:
 
211
            # No currently valid tokens were found
 
212
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
213
                             .format(duration))
 
214
    # End token found
 
215
    return value
76
216
 
77
217
 
78
218
def string_to_delta(interval):
79
219
    """Parse a string and return a datetime.timedelta
80
 
 
81
 
    >>> string_to_delta('7d')
 
220
    """
 
221
 
 
222
    try:
 
223
        return rfc3339_duration_to_delta(interval)
 
224
    except ValueError as e:
 
225
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
226
                    ' '.join(e.args))
 
227
    return parse_pre_1_6_1_interval(interval)
 
228
 
 
229
 
 
230
def parse_pre_1_6_1_interval(interval):
 
231
    """Parse an interval string as documented by Mandos before 1.6.1, and
 
232
    return a datetime.timedelta
 
233
    >>> parse_pre_1_6_1_interval('7d')
82
234
    datetime.timedelta(7)
83
 
    >>> string_to_delta('60s')
 
235
    >>> parse_pre_1_6_1_interval('60s')
84
236
    datetime.timedelta(0, 60)
85
 
    >>> string_to_delta('60m')
 
237
    >>> parse_pre_1_6_1_interval('60m')
86
238
    datetime.timedelta(0, 3600)
87
 
    >>> string_to_delta('24h')
 
239
    >>> parse_pre_1_6_1_interval('24h')
88
240
    datetime.timedelta(1)
89
 
    >>> string_to_delta(u'1w')
 
241
    >>> parse_pre_1_6_1_interval('1w')
90
242
    datetime.timedelta(7)
91
 
    >>> string_to_delta('5m 30s')
 
243
    >>> parse_pre_1_6_1_interval('5m 30s')
92
244
    datetime.timedelta(0, 330)
 
245
    >>> parse_pre_1_6_1_interval('')
 
246
    datetime.timedelta(0)
 
247
    >>> # Ignore unknown characters, allow any order and repetitions
 
248
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
249
    datetime.timedelta(2, 480, 18000)
 
250
 
93
251
    """
94
 
    timevalue = datetime.timedelta(0)
95
 
    regexp = re.compile("\d+[dsmhw]")
96
 
    
97
 
    for s in regexp.findall(interval):
98
 
        try:
99
 
            suffix = unicode(s[-1])
100
 
            value = int(s[:-1])
101
 
            if suffix == u"d":
102
 
                delta = datetime.timedelta(value)
103
 
            elif suffix == u"s":
104
 
                delta = datetime.timedelta(0, value)
105
 
            elif suffix == u"m":
106
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
107
 
            elif suffix == u"h":
108
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
109
 
            elif suffix == u"w":
110
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
111
 
            else:
112
 
                raise ValueError
113
 
        except (ValueError, IndexError):
114
 
            raise ValueError
115
 
        timevalue += delta
116
 
    return timevalue
 
252
 
 
253
    value = datetime.timedelta(0)
 
254
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
255
 
 
256
    for num, suffix in regexp.findall(interval):
 
257
        if suffix == "d":
 
258
            value += datetime.timedelta(int(num))
 
259
        elif suffix == "s":
 
260
            value += datetime.timedelta(0, int(num))
 
261
        elif suffix == "m":
 
262
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
263
        elif suffix == "h":
 
264
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
265
        elif suffix == "w":
 
266
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
267
        elif suffix == "":
 
268
            value += datetime.timedelta(0, 0, 0, int(num))
 
269
    return value
 
270
 
117
271
 
118
272
def print_clients(clients, keywords):
 
273
    print('\n'.join(TableOfClients(clients, keywords).rows()))
 
274
 
 
275
class TableOfClients(object):
 
276
    tablewords = {
 
277
        "Name": "Name",
 
278
        "Enabled": "Enabled",
 
279
        "Timeout": "Timeout",
 
280
        "LastCheckedOK": "Last Successful Check",
 
281
        "LastApprovalRequest": "Last Approval Request",
 
282
        "Created": "Created",
 
283
        "Interval": "Interval",
 
284
        "Host": "Host",
 
285
        "Fingerprint": "Fingerprint",
 
286
        "KeyID": "Key ID",
 
287
        "CheckerRunning": "Check Is Running",
 
288
        "LastEnabled": "Last Enabled",
 
289
        "ApprovalPending": "Approval Is Pending",
 
290
        "ApprovedByDefault": "Approved By Default",
 
291
        "ApprovalDelay": "Approval Delay",
 
292
        "ApprovalDuration": "Approval Duration",
 
293
        "Checker": "Checker",
 
294
        "ExtendedTimeout": "Extended Timeout",
 
295
        "Expires": "Expires",
 
296
        "LastCheckerStatus": "Last Checker Status",
 
297
    }
 
298
 
 
299
    def __init__(self, clients, keywords, tablewords=None):
 
300
        self.clients = clients
 
301
        self.keywords = keywords
 
302
        if tablewords is not None:
 
303
            self.tablewords = tablewords
 
304
 
 
305
    @staticmethod
119
306
    def valuetostring(value, keyword):
120
 
        if type(value) is dbus.Boolean:
121
 
            return u"Yes" if value else u"No"
122
 
        if keyword in (u"Timeout", u"Interval", u"ApprovalDelay",
123
 
                       u"ApprovalDuration"):
 
307
        if isinstance(value, dbus.Boolean):
 
308
            return "Yes" if value else "No"
 
309
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
310
                       "ApprovalDuration", "ExtendedTimeout"):
124
311
            return milliseconds_to_string(value)
125
 
        return unicode(value)
126
 
    
127
 
    # Create format string to print table rows
128
 
    format_string = u' '.join(u'%%-%ds' %
129
 
                              max(len(tablewords[key]),
130
 
                                  max(len(valuetostring(client[key],
131
 
                                                        key))
132
 
                                      for client in
133
 
                                      clients))
134
 
                              for key in keywords)
135
 
    # Print header line
136
 
    print format_string % tuple(tablewords[key] for key in keywords)
137
 
    for client in clients:
138
 
        print format_string % tuple(valuetostring(client[key], key)
139
 
                                    for key in keywords)
 
312
        return str(value)
 
313
 
 
314
    def rows(self):
 
315
        # Create format string to format table rows
 
316
        format_string = " ".join("{{{key}:{width}}}".format(
 
317
            width=max(len(self.tablewords[key]),
 
318
                      max(len(self.valuetostring(client[key], key))
 
319
                          for client in self.clients)),
 
320
            key=key)
 
321
                                 for key in self.keywords)
 
322
        # Start with header line
 
323
        rows = [format_string.format(**self.tablewords)]
 
324
        for client in self.clients:
 
325
            rows.append(format_string
 
326
                        .format(**{key: self.valuetostring(client[key], key)
 
327
                                   for key in self.keywords}))
 
328
        return rows
 
329
 
140
330
 
141
331
def has_actions(options):
142
332
    return any((options.enable,
148
338
                options.remove,
149
339
                options.checker is not None,
150
340
                options.timeout is not None,
 
341
                options.extended_timeout is not None,
151
342
                options.interval is not None,
152
343
                options.approved_by_default is not None,
153
344
                options.approval_delay is not None,
156
347
                options.secret is not None,
157
348
                options.approve,
158
349
                options.deny))
159
 
        
 
350
 
 
351
 
160
352
def main():
161
 
        parser = OptionParser(version = "%%prog %s" % version)
162
 
        parser.add_option("-a", "--all", action="store_true",
163
 
                          help="Select all clients")
164
 
        parser.add_option("-v", "--verbose", action="store_true",
165
 
                          help="Print all fields")
166
 
        parser.add_option("-e", "--enable", action="store_true",
167
 
                          help="Enable client")
168
 
        parser.add_option("-d", "--disable", action="store_true",
169
 
                          help="disable client")
170
 
        parser.add_option("-b", "--bump-timeout", action="store_true",
171
 
                          help="Bump timeout for client")
172
 
        parser.add_option("--start-checker", action="store_true",
173
 
                          help="Start checker for client")
174
 
        parser.add_option("--stop-checker", action="store_true",
175
 
                          help="Stop checker for client")
176
 
        parser.add_option("-V", "--is-enabled", action="store_true",
177
 
                          help="Check if client is enabled")
178
 
        parser.add_option("-r", "--remove", action="store_true",
179
 
                          help="Remove client")
180
 
        parser.add_option("-c", "--checker", type="string",
181
 
                          help="Set checker command for client")
182
 
        parser.add_option("-t", "--timeout", type="string",
183
 
                          help="Set timeout for client")
184
 
        parser.add_option("-i", "--interval", type="string",
185
 
                          help="Set checker interval for client")
186
 
        parser.add_option("--approve-by-default", action="store_true",
187
 
                          dest=u"approved_by_default",
188
 
                          help="Set client to be approved by default")
189
 
        parser.add_option("--deny-by-default", action="store_false",
190
 
                          dest=u"approved_by_default",
191
 
                          help="Set client to be denied by default")
192
 
        parser.add_option("--approval-delay", type="string",
193
 
                          help="Set delay before client approve/deny")
194
 
        parser.add_option("--approval-duration", type="string",
195
 
                          help="Set duration of one client approval")
196
 
        parser.add_option("-H", "--host", type="string",
197
 
                          help="Set host for client")
198
 
        parser.add_option("-s", "--secret", type="string",
199
 
                          help="Set password blob (file) for client")
200
 
        parser.add_option("-A", "--approve", action="store_true",
201
 
                          help="Approve any current client request")
202
 
        parser.add_option("-D", "--deny", action="store_true",
203
 
                          help="Deny any current client request")
204
 
        options, client_names = parser.parse_args()
205
 
        
206
 
        if has_actions(options) and not client_names and not options.all:
207
 
            parser.error('Options require clients names or --all.')
208
 
        if options.verbose and has_actions(options):
209
 
            parser.error('--verbose can only be used alone or with'
210
 
                         ' --all.')
211
 
        if options.all and not has_actions(options):
212
 
            parser.error('--all requires an action.')
213
 
        
214
 
        try:
215
 
            bus = dbus.SystemBus()
216
 
            mandos_dbus_objc = bus.get_object(busname, server_path)
217
 
        except dbus.exceptions.DBusException:
218
 
            print >> sys.stderr, "Could not connect to Mandos server"
219
 
            sys.exit(1)
220
 
    
221
 
        mandos_serv = dbus.Interface(mandos_dbus_objc,
222
 
                                     dbus_interface = server_interface)
223
 
 
224
 
        #block stderr since dbus library prints to stderr
225
 
        null = os.open(os.path.devnull, os.O_RDWR)
226
 
        stderrcopy = os.dup(sys.stderr.fileno())
227
 
        os.dup2(null, sys.stderr.fileno())
228
 
        os.close(null)
229
 
        try:
230
 
            try:
231
 
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
232
 
            finally:
233
 
                #restore stderr
234
 
                os.dup2(stderrcopy, sys.stderr.fileno())
235
 
                os.close(stderrcopy)
236
 
        except dbus.exceptions.DBusException, e:
237
 
            print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
238
 
            sys.exit(1)
239
 
            
240
 
        # Compile dict of (clients: properties) to process
241
 
        clients={}
242
 
        
243
 
        if options.all or not client_names:
244
 
            clients = dict((bus.get_object(busname, path), properties)
245
 
                           for path, properties in
246
 
                           mandos_clients.iteritems())
247
 
        else:
248
 
            for name in client_names:
249
 
                for path, client in mandos_clients.iteritems():
250
 
                    if client['Name'] == name:
251
 
                        client_objc = bus.get_object(busname, path)
252
 
                        clients[client_objc] = client
253
 
                        break
 
353
    parser = argparse.ArgumentParser()
 
354
    parser.add_argument("--version", action="version",
 
355
                        version="%(prog)s {}".format(version),
 
356
                        help="show version number and exit")
 
357
    parser.add_argument("-a", "--all", action="store_true",
 
358
                        help="Select all clients")
 
359
    parser.add_argument("-v", "--verbose", action="store_true",
 
360
                        help="Print all fields")
 
361
    parser.add_argument("-j", "--dump-json", action="store_true",
 
362
                        help="Dump client data in JSON format")
 
363
    parser.add_argument("-e", "--enable", action="store_true",
 
364
                        help="Enable client")
 
365
    parser.add_argument("-d", "--disable", action="store_true",
 
366
                        help="disable client")
 
367
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
368
                        help="Bump timeout for client")
 
369
    parser.add_argument("--start-checker", action="store_true",
 
370
                        help="Start checker for client")
 
371
    parser.add_argument("--stop-checker", action="store_true",
 
372
                        help="Stop checker for client")
 
373
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
374
                        help="Check if client is enabled")
 
375
    parser.add_argument("-r", "--remove", action="store_true",
 
376
                        help="Remove client")
 
377
    parser.add_argument("-c", "--checker",
 
378
                        help="Set checker command for client")
 
379
    parser.add_argument("-t", "--timeout",
 
380
                        help="Set timeout for client")
 
381
    parser.add_argument("--extended-timeout",
 
382
                        help="Set extended timeout for client")
 
383
    parser.add_argument("-i", "--interval",
 
384
                        help="Set checker interval for client")
 
385
    parser.add_argument("--approve-by-default", action="store_true",
 
386
                        default=None, dest="approved_by_default",
 
387
                        help="Set client to be approved by default")
 
388
    parser.add_argument("--deny-by-default", action="store_false",
 
389
                        dest="approved_by_default",
 
390
                        help="Set client to be denied by default")
 
391
    parser.add_argument("--approval-delay",
 
392
                        help="Set delay before client approve/deny")
 
393
    parser.add_argument("--approval-duration",
 
394
                        help="Set duration of one client approval")
 
395
    parser.add_argument("-H", "--host", help="Set host for client")
 
396
    parser.add_argument("-s", "--secret",
 
397
                        type=argparse.FileType(mode="rb"),
 
398
                        help="Set password blob (file) for client")
 
399
    parser.add_argument("-A", "--approve", action="store_true",
 
400
                        help="Approve any current client request")
 
401
    parser.add_argument("-D", "--deny", action="store_true",
 
402
                        help="Deny any current client request")
 
403
    parser.add_argument("--check", action="store_true",
 
404
                        help="Run self-test")
 
405
    parser.add_argument("client", nargs="*", help="Client name")
 
406
    options = parser.parse_args()
 
407
 
 
408
    if has_actions(options) and not (options.client or options.all):
 
409
        parser.error("Options require clients names or --all.")
 
410
    if options.verbose and has_actions(options):
 
411
        parser.error("--verbose can only be used alone.")
 
412
    if options.dump_json and (options.verbose
 
413
                              or has_actions(options)):
 
414
        parser.error("--dump-json can only be used alone.")
 
415
    if options.all and not has_actions(options):
 
416
        parser.error("--all requires an action.")
 
417
 
 
418
    try:
 
419
        bus = dbus.SystemBus()
 
420
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
421
    except dbus.exceptions.DBusException:
 
422
        log.critical("Could not connect to Mandos server")
 
423
        sys.exit(1)
 
424
 
 
425
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
426
                                 dbus_interface=server_interface)
 
427
    mandos_serv_object_manager = dbus.Interface(
 
428
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
429
 
 
430
    # block stderr since dbus library prints to stderr
 
431
    null = os.open(os.path.devnull, os.O_RDWR)
 
432
    stderrcopy = os.dup(sys.stderr.fileno())
 
433
    os.dup2(null, sys.stderr.fileno())
 
434
    os.close(null)
 
435
    try:
 
436
        try:
 
437
            mandos_clients = {path: ifs_and_props[client_interface]
 
438
                              for path, ifs_and_props in
 
439
                              mandos_serv_object_manager
 
440
                              .GetManagedObjects().items()
 
441
                              if client_interface in ifs_and_props}
 
442
        finally:
 
443
            # restore stderr
 
444
            os.dup2(stderrcopy, sys.stderr.fileno())
 
445
            os.close(stderrcopy)
 
446
    except dbus.exceptions.DBusException as e:
 
447
        log.critical("Failed to access Mandos server through D-Bus:"
 
448
                     "\n%s", e)
 
449
        sys.exit(1)
 
450
 
 
451
    # Compile dict of (clients: properties) to process
 
452
    clients = {}
 
453
 
 
454
    if options.all or not options.client:
 
455
        clients = {bus.get_object(busname, path): properties
 
456
                   for path, properties in mandos_clients.items()}
 
457
    else:
 
458
        for name in options.client:
 
459
            for path, client in mandos_clients.items():
 
460
                if client["Name"] == name:
 
461
                    client_objc = bus.get_object(busname, path)
 
462
                    clients[client_objc] = client
 
463
                    break
 
464
            else:
 
465
                log.critical("Client not found on server: %r", name)
 
466
                sys.exit(1)
 
467
 
 
468
    if not has_actions(options) and clients:
 
469
        if options.verbose or options.dump_json:
 
470
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
471
                        "Created", "Interval", "Host", "KeyID",
 
472
                        "Fingerprint", "CheckerRunning",
 
473
                        "LastEnabled", "ApprovalPending",
 
474
                        "ApprovedByDefault", "LastApprovalRequest",
 
475
                        "ApprovalDelay", "ApprovalDuration",
 
476
                        "Checker", "ExtendedTimeout", "Expires",
 
477
                        "LastCheckerStatus")
 
478
        else:
 
479
            keywords = defaultkeywords
 
480
 
 
481
        if options.dump_json:
 
482
            json.dump({client["Name"]: {key:
 
483
                                        bool(client[key])
 
484
                                        if isinstance(client[key],
 
485
                                                      dbus.Boolean)
 
486
                                        else client[key]
 
487
                                        for key in keywords}
 
488
                       for client in clients.values()},
 
489
                      fp=sys.stdout, indent=4,
 
490
                      separators=(',', ': '))
 
491
            print()
 
492
        else:
 
493
            print_clients(clients.values(), keywords)
 
494
    else:
 
495
        # Process each client in the list by all selected options
 
496
        for client in clients:
 
497
 
 
498
            def set_client_prop(prop, value):
 
499
                """Set a Client D-Bus property"""
 
500
                client.Set(client_interface, prop, value,
 
501
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
502
 
 
503
            def set_client_prop_ms(prop, value):
 
504
                """Set a Client D-Bus property, converted
 
505
                from a string to milliseconds."""
 
506
                set_client_prop(prop,
 
507
                                string_to_delta(value).total_seconds()
 
508
                                * 1000)
 
509
 
 
510
            if options.remove:
 
511
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
512
            if options.enable:
 
513
                set_client_prop("Enabled", dbus.Boolean(True))
 
514
            if options.disable:
 
515
                set_client_prop("Enabled", dbus.Boolean(False))
 
516
            if options.bump_timeout:
 
517
                set_client_prop("LastCheckedOK", "")
 
518
            if options.start_checker:
 
519
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
520
            if options.stop_checker:
 
521
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
522
            if options.is_enabled:
 
523
                if client.Get(client_interface, "Enabled",
 
524
                              dbus_interface=dbus.PROPERTIES_IFACE):
 
525
                    sys.exit(0)
254
526
                else:
255
 
                    print >> sys.stderr, "Client not found on server: %r" % name
256
527
                    sys.exit(1)
257
 
            
258
 
        if not has_actions(options) and clients:
259
 
            if options.verbose:
260
 
                keywords = ('Name', 'Enabled', 'Timeout',
261
 
                            'LastCheckedOK', 'Created', 'Interval',
262
 
                            'Host', 'Fingerprint', 'CheckerRunning',
263
 
                            'LastEnabled', 'ApprovalPending',
264
 
                            'ApprovedByDefault',
265
 
                            'LastApprovalRequest', 'ApprovalDelay',
266
 
                            'ApprovalDuration', 'Checker')
267
 
            else:
268
 
                keywords = defaultkeywords
269
 
            
270
 
            print_clients(clients.values(), keywords)
 
528
            if options.checker is not None:
 
529
                set_client_prop("Checker", options.checker)
 
530
            if options.host is not None:
 
531
                set_client_prop("Host", options.host)
 
532
            if options.interval is not None:
 
533
                set_client_prop_ms("Interval", options.interval)
 
534
            if options.approval_delay is not None:
 
535
                set_client_prop_ms("ApprovalDelay",
 
536
                                   options.approval_delay)
 
537
            if options.approval_duration is not None:
 
538
                set_client_prop_ms("ApprovalDuration",
 
539
                                   options.approval_duration)
 
540
            if options.timeout is not None:
 
541
                set_client_prop_ms("Timeout", options.timeout)
 
542
            if options.extended_timeout is not None:
 
543
                set_client_prop_ms("ExtendedTimeout",
 
544
                                   options.extended_timeout)
 
545
            if options.secret is not None:
 
546
                set_client_prop("Secret",
 
547
                                dbus.ByteArray(options.secret.read()))
 
548
            if options.approved_by_default is not None:
 
549
                set_client_prop("ApprovedByDefault",
 
550
                                dbus.Boolean(options
 
551
                                             .approved_by_default))
 
552
            if options.approve:
 
553
                client.Approve(dbus.Boolean(True),
 
554
                               dbus_interface=client_interface)
 
555
            elif options.deny:
 
556
                client.Approve(dbus.Boolean(False),
 
557
                               dbus_interface=client_interface)
 
558
 
 
559
 
 
560
class Test_milliseconds_to_string(unittest.TestCase):
 
561
    def test_all(self):
 
562
        self.assertEqual(milliseconds_to_string(93785000),
 
563
                         "1T02:03:05")
 
564
    def test_no_days(self):
 
565
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
566
    def test_all_zero(self):
 
567
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
568
    def test_no_fractional_seconds(self):
 
569
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
570
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
571
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
572
 
 
573
class Test_string_to_delta(unittest.TestCase):
 
574
    def test_handles_basic_rfc3339(self):
 
575
        self.assertEqual(string_to_delta("PT2H"),
 
576
                         datetime.timedelta(0, 7200))
 
577
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
578
        # assertLogs only exists in Python 3.4
 
579
        if hasattr(self, "assertLogs"):
 
580
            with self.assertLogs(log, logging.WARNING):
 
581
                value = string_to_delta("2h")
271
582
        else:
272
 
            # Process each client in the list by all selected options
273
 
            for client in clients:
274
 
                if options.remove:
275
 
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
276
 
                if options.enable:
277
 
                    client.Enable(dbus_interface=client_interface)
278
 
                if options.disable:
279
 
                    client.Disable(dbus_interface=client_interface)
280
 
                if options.bump_timeout:
281
 
                    client.CheckedOK(dbus_interface=client_interface)
282
 
                if options.start_checker:
283
 
                    client.StartChecker(dbus_interface=client_interface)
284
 
                if options.stop_checker:
285
 
                    client.StopChecker(dbus_interface=client_interface)
286
 
                if options.is_enabled:
287
 
                    sys.exit(0 if client.Get(client_interface,
288
 
                                             u"Enabled",
289
 
                                             dbus_interface=dbus.PROPERTIES_IFACE)
290
 
                             else 1)
291
 
                if options.checker:
292
 
                    client.Set(client_interface, u"Checker", options.checker,
293
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
294
 
                if options.host:
295
 
                    client.Set(client_interface, u"Host", options.host,
296
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
297
 
                if options.interval:
298
 
                    client.Set(client_interface, u"Interval",
299
 
                               timedelta_to_milliseconds
300
 
                               (string_to_delta(options.interval)),
301
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
302
 
                if options.approval_delay:
303
 
                    client.Set(client_interface, u"ApprovalDelay",
304
 
                               timedelta_to_milliseconds
305
 
                               (string_to_delta(options.
306
 
                                                approval_delay)),
307
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
308
 
                if options.approval_duration:
309
 
                    client.Set(client_interface, u"ApprovalDuration",
310
 
                               timedelta_to_milliseconds
311
 
                               (string_to_delta(options.
312
 
                                                approval_duration)),
313
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
314
 
                if options.timeout:
315
 
                    client.Set(client_interface, u"Timeout",
316
 
                               timedelta_to_milliseconds
317
 
                               (string_to_delta(options.timeout)),
318
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
319
 
                if options.secret:
320
 
                    client.Set(client_interface, u"Secret",
321
 
                               dbus.ByteArray(open(options.secret,
322
 
                                                   u'rb').read()),
323
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
324
 
                if options.approved_by_default is not None:
325
 
                    client.Set(client_interface, u"ApprovedByDefault",
326
 
                               dbus.Boolean(options
327
 
                                            .approved_by_default),
328
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
329
 
                if options.approve:
330
 
                    client.Approve(dbus.Boolean(True),
331
 
                                   dbus_interface=client_interface)
332
 
                elif options.deny:
333
 
                    client.Approve(dbus.Boolean(False),
334
 
                                   dbus_interface=client_interface)
335
 
 
336
 
if __name__ == '__main__':
337
 
    main()
 
583
            value = string_to_delta("2h")
 
584
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
585
 
 
586
class Test_TableOfClients(unittest.TestCase):
 
587
    def setUp(self):
 
588
        self.tablewords = {
 
589
            "Attr1": "X",
 
590
            "AttrTwo": "Yy",
 
591
            "AttrThree": "Zzz",
 
592
            "Bool": "A D-BUS Boolean",
 
593
            "NonDbusBoolean": "A Non-D-BUS Boolean",
 
594
            "Integer": "An Integer",
 
595
            "Timeout": "Timedelta 1",
 
596
            "Interval": "Timedelta 2",
 
597
            "ApprovalDelay": "Timedelta 3",
 
598
            "ApprovalDuration": "Timedelta 4",
 
599
            "ExtendedTimeout": "Timedelta 5",
 
600
            "String": "A String",
 
601
        }
 
602
        self.keywords = ["Attr1", "AttrTwo"]
 
603
        self.clients = [
 
604
            {
 
605
                "Attr1": "x1",
 
606
                "AttrTwo": "y1",
 
607
                "AttrThree": "z1",
 
608
                "Bool": dbus.Boolean(False),
 
609
                "NonDbusBoolean": False,
 
610
                "Integer": 0,
 
611
                "Timeout": 0,
 
612
                "Interval": 1000,
 
613
                "ApprovalDelay": 2000,
 
614
                "ApprovalDuration": 3000,
 
615
                "ExtendedTimeout": 4000,
 
616
                "String": "",
 
617
            },
 
618
            {
 
619
                "Attr1": "x2",
 
620
                "AttrTwo": "y2",
 
621
                "AttrThree": "z2",
 
622
                "Bool": dbus.Boolean(True),
 
623
                "NonDbusBoolean": True,
 
624
                "Integer": 1,
 
625
                "Timeout": 93785000,
 
626
                "Interval": 93786000,
 
627
                "ApprovalDelay": 93787000,
 
628
                "ApprovalDuration": 93788000,
 
629
                "ExtendedTimeout": 93789000,
 
630
                "String": "A huge string which will not fit," * 10,
 
631
            },
 
632
        ]
 
633
    def test_short_header(self):
 
634
        rows = TableOfClients(self.clients, self.keywords,
 
635
                              self.tablewords).rows()
 
636
        expected_rows = [
 
637
            "X  Yy",
 
638
            "x1 y1",
 
639
            "x2 y2"]
 
640
        self.assertEqual(rows, expected_rows)
 
641
    def test_booleans(self):
 
642
        keywords = ["Bool", "NonDbusBoolean"]
 
643
        rows = TableOfClients(self.clients, keywords,
 
644
                              self.tablewords).rows()
 
645
        expected_rows = [
 
646
            "A D-BUS Boolean A Non-D-BUS Boolean",
 
647
            "No              False              ",
 
648
            "Yes             True               ",
 
649
        ]
 
650
        self.assertEqual(rows, expected_rows)
 
651
    def test_milliseconds_detection(self):
 
652
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
 
653
                    "ApprovalDuration", "ExtendedTimeout"]
 
654
        rows = TableOfClients(self.clients, keywords,
 
655
                              self.tablewords).rows()
 
656
        expected_rows = ("""
 
657
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
 
658
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
 
659
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
 
660
"""
 
661
        ).splitlines()[1:]
 
662
        self.assertEqual(rows, expected_rows)
 
663
    def test_empty_and_long_string_values(self):
 
664
        keywords = ["String"]
 
665
        rows = TableOfClients(self.clients, keywords,
 
666
                              self.tablewords).rows()
 
667
        expected_rows = ("""
 
668
A String                                                                                                                                                                                                                                                                                                                                  
 
669
                                                                                                                                                                                                                                                                                                                                          
 
670
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,
 
671
"""
 
672
        ).splitlines()[1:]
 
673
        self.assertEqual(rows, expected_rows)
 
674
 
 
675
 
 
676
 
 
677
def should_only_run_tests():
 
678
    parser = argparse.ArgumentParser(add_help=False)
 
679
    parser.add_argument("--check", action='store_true')
 
680
    args, unknown_args = parser.parse_known_args()
 
681
    run_tests = args.check
 
682
    if run_tests:
 
683
        # Remove --check argument from sys.argv
 
684
        sys.argv[1:] = unknown_args
 
685
    return run_tests
 
686
 
 
687
# Add all tests from doctest strings
 
688
def load_tests(loader, tests, none):
 
689
    import doctest
 
690
    tests.addTests(doctest.DocTestSuite())
 
691
    return tests
 
692
 
 
693
if __name__ == "__main__":
 
694
    if should_only_run_tests():
 
695
        # Call using ./tdd-python-script --check [--verbose]
 
696
        unittest.main()
 
697
    else:
 
698
        main()