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  • Committer: Teddy Hogeborn
  • Date: 2019-03-21 18:37:29 UTC
  • Revision ID: teddy@recompile.se-20190321183729-6okcpelqgalk1p6k
mandos-ctl: Refactor

* mandos-ctl (main): Remove a couple of blank lines.
  (SilenceLogger.__enter__): Remove unnecessary return statement.
  (commands.Property): Rename to "PropertySetter".
  (commands.PropertyValue): Rename to "PropertySetterValue".
  (commands.MillisecondsPropertyValueArgument): Rename to
                                    "PropertySetterValueMilliseconds".
  (TestPropertyCmd): Rename to "TestPropertySetterCmd".
  (TestPropertyValueCmd): Rename to "TestPropertySetterValueCmd".

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#!/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 © 2008-2012 Teddy Hogeborn
7
 
# Copyright © 2008-2012 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
 
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
21
 
# <http://www.gnu.org/licenses/>.
22
 
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
23
24
# Contact the authors at <mandos@recompile.se>.
24
 
 
25
#
25
26
 
26
27
from __future__ import (division, absolute_import, print_function,
27
28
                        unicode_literals)
28
29
 
29
 
from future_builtins import *
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
30
34
 
31
35
import sys
32
36
import argparse
35
39
import re
36
40
import os
37
41
import collections
38
 
import doctest
 
42
import json
 
43
import unittest
 
44
import logging
 
45
import io
 
46
import tempfile
 
47
import contextlib
39
48
 
40
49
import dbus
41
50
 
 
51
# Show warnings by default
 
52
if not sys.warnoptions:
 
53
    import warnings
 
54
    warnings.simplefilter("default")
 
55
 
 
56
log = logging.getLogger(sys.argv[0])
 
57
logging.basicConfig(level="INFO", # Show info level messages
 
58
                    format="%(message)s") # Show basic log messages
 
59
 
 
60
logging.captureWarnings(True)   # Show warnings via the logging system
 
61
 
 
62
if sys.version_info.major == 2:
 
63
    str = unicode
 
64
    import StringIO
 
65
    io.StringIO = StringIO.StringIO
 
66
 
42
67
locale.setlocale(locale.LC_ALL, "")
43
68
 
44
 
tablewords = {
45
 
    "Name": "Name",
46
 
    "Enabled": "Enabled",
47
 
    "Timeout": "Timeout",
48
 
    "LastCheckedOK": "Last Successful Check",
49
 
    "LastApprovalRequest": "Last Approval Request",
50
 
    "Created": "Created",
51
 
    "Interval": "Interval",
52
 
    "Host": "Host",
53
 
    "Fingerprint": "Fingerprint",
54
 
    "CheckerRunning": "Check Is Running",
55
 
    "LastEnabled": "Last Enabled",
56
 
    "ApprovalPending": "Approval Is Pending",
57
 
    "ApprovedByDefault": "Approved By Default",
58
 
    "ApprovalDelay": "Approval Delay",
59
 
    "ApprovalDuration": "Approval Duration",
60
 
    "Checker": "Checker",
61
 
    "ExtendedTimeout" : "Extended Timeout"
62
 
    }
63
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
64
 
domain = "se.recompile"
65
 
busname = domain + ".Mandos"
66
 
server_path = "/"
67
 
server_interface = domain + ".Mandos"
68
 
client_interface = domain + ".Mandos.Client"
69
 
version = "1.6.2"
70
 
 
71
 
def timedelta_to_milliseconds(td):
72
 
    """Convert a datetime.timedelta object to milliseconds"""
73
 
    return ((td.days * 24 * 60 * 60 * 1000)
74
 
            + (td.seconds * 1000)
75
 
            + (td.microseconds // 1000))
76
 
 
77
 
def milliseconds_to_string(ms):
78
 
    td = datetime.timedelta(0, 0, 0, ms)
79
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
80
 
            .format(days = "{0}T".format(td.days) if td.days else "",
81
 
                    hours = td.seconds // 3600,
82
 
                    minutes = (td.seconds % 3600) // 60,
83
 
                    seconds = td.seconds % 60,
84
 
                    ))
 
69
dbus_busname_domain = "se.recompile"
 
70
dbus_busname = dbus_busname_domain + ".Mandos"
 
71
server_dbus_path = "/"
 
72
server_dbus_interface = dbus_busname_domain + ".Mandos"
 
73
client_dbus_interface = dbus_busname_domain + ".Mandos.Client"
 
74
del dbus_busname_domain
 
75
version = "1.8.3"
 
76
 
 
77
 
 
78
try:
 
79
    dbus.OBJECT_MANAGER_IFACE
 
80
except AttributeError:
 
81
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
82
 
 
83
 
 
84
def main():
 
85
    parser = argparse.ArgumentParser()
 
86
    add_command_line_options(parser)
 
87
 
 
88
    options = parser.parse_args()
 
89
    check_option_syntax(parser, options)
 
90
 
 
91
    clientnames = options.client
 
92
 
 
93
    if options.debug:
 
94
        log.setLevel(logging.DEBUG)
 
95
 
 
96
    bus = dbus.SystemBus()
 
97
 
 
98
    mandos_dbus_object = get_mandos_dbus_object(bus)
 
99
 
 
100
    mandos_serv = dbus.Interface(
 
101
        mandos_dbus_object, dbus_interface=server_dbus_interface)
 
102
    mandos_serv_object_manager = dbus.Interface(
 
103
        mandos_dbus_object, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
104
 
 
105
    managed_objects = get_managed_objects(mandos_serv_object_manager)
 
106
 
 
107
    all_clients = {}
 
108
    for path, ifs_and_props in managed_objects.items():
 
109
        try:
 
110
            all_clients[path] = ifs_and_props[client_dbus_interface]
 
111
        except KeyError:
 
112
            pass
 
113
 
 
114
    # Compile dict of (clientpath: properties) to process
 
115
    if not clientnames:
 
116
        clients = all_clients
 
117
    else:
 
118
        clients = {}
 
119
        for name in clientnames:
 
120
            for objpath, properties in all_clients.items():
 
121
                if properties["Name"] == name:
 
122
                    clients[objpath] = properties
 
123
                    break
 
124
            else:
 
125
                log.critical("Client not found on server: %r", name)
 
126
                sys.exit(1)
 
127
 
 
128
    commands = commands_from_options(options)
 
129
 
 
130
    for command in commands:
 
131
        command.run(clients, bus, mandos_serv)
 
132
 
 
133
 
 
134
def add_command_line_options(parser):
 
135
    parser.add_argument("--version", action="version",
 
136
                        version="%(prog)s {}".format(version),
 
137
                        help="show version number and exit")
 
138
    parser.add_argument("-a", "--all", action="store_true",
 
139
                        help="Select all clients")
 
140
    parser.add_argument("-v", "--verbose", action="store_true",
 
141
                        help="Print all fields")
 
142
    parser.add_argument("-j", "--dump-json", action="store_true",
 
143
                        help="Dump client data in JSON format")
 
144
    enable_disable = parser.add_mutually_exclusive_group()
 
145
    enable_disable.add_argument("-e", "--enable", action="store_true",
 
146
                                help="Enable client")
 
147
    enable_disable.add_argument("-d", "--disable",
 
148
                                action="store_true",
 
149
                                help="disable client")
 
150
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
151
                        help="Bump timeout for client")
 
152
    start_stop_checker = parser.add_mutually_exclusive_group()
 
153
    start_stop_checker.add_argument("--start-checker",
 
154
                                    action="store_true",
 
155
                                    help="Start checker for client")
 
156
    start_stop_checker.add_argument("--stop-checker",
 
157
                                    action="store_true",
 
158
                                    help="Stop checker for client")
 
159
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
160
                        help="Check if client is enabled")
 
161
    parser.add_argument("-r", "--remove", action="store_true",
 
162
                        help="Remove client")
 
163
    parser.add_argument("-c", "--checker",
 
164
                        help="Set checker command for client")
 
165
    parser.add_argument("-t", "--timeout", type=string_to_delta,
 
166
                        help="Set timeout for client")
 
167
    parser.add_argument("--extended-timeout", type=string_to_delta,
 
168
                        help="Set extended timeout for client")
 
169
    parser.add_argument("-i", "--interval", type=string_to_delta,
 
170
                        help="Set checker interval for client")
 
171
    approve_deny_default = parser.add_mutually_exclusive_group()
 
172
    approve_deny_default.add_argument(
 
173
        "--approve-by-default", action="store_true",
 
174
        default=None, dest="approved_by_default",
 
175
        help="Set client to be approved by default")
 
176
    approve_deny_default.add_argument(
 
177
        "--deny-by-default", action="store_false",
 
178
        dest="approved_by_default",
 
179
        help="Set client to be denied by default")
 
180
    parser.add_argument("--approval-delay", type=string_to_delta,
 
181
                        help="Set delay before client approve/deny")
 
182
    parser.add_argument("--approval-duration", type=string_to_delta,
 
183
                        help="Set duration of one client approval")
 
184
    parser.add_argument("-H", "--host", help="Set host for client")
 
185
    parser.add_argument("-s", "--secret",
 
186
                        type=argparse.FileType(mode="rb"),
 
187
                        help="Set password blob (file) for client")
 
188
    approve_deny = parser.add_mutually_exclusive_group()
 
189
    approve_deny.add_argument(
 
190
        "-A", "--approve", action="store_true",
 
191
        help="Approve any current client request")
 
192
    approve_deny.add_argument("-D", "--deny", action="store_true",
 
193
                              help="Deny any current client request")
 
194
    parser.add_argument("--debug", action="store_true",
 
195
                        help="Debug mode (show D-Bus commands)")
 
196
    parser.add_argument("--check", action="store_true",
 
197
                        help="Run self-test")
 
198
    parser.add_argument("client", nargs="*", help="Client name")
 
199
 
 
200
 
 
201
def string_to_delta(interval):
 
202
    """Parse a string and return a datetime.timedelta"""
 
203
 
 
204
    try:
 
205
        return rfc3339_duration_to_delta(interval)
 
206
    except ValueError as e:
 
207
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
208
                    ' '.join(e.args))
 
209
    return parse_pre_1_6_1_interval(interval)
85
210
 
86
211
 
87
212
def rfc3339_duration_to_delta(duration):
88
213
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
89
 
    
 
214
 
90
215
    >>> rfc3339_duration_to_delta("P7D")
91
216
    datetime.timedelta(7)
92
217
    >>> rfc3339_duration_to_delta("PT60S")
93
218
    datetime.timedelta(0, 60)
94
219
    >>> rfc3339_duration_to_delta("PT60M")
95
220
    datetime.timedelta(0, 3600)
 
221
    >>> rfc3339_duration_to_delta("P60M")
 
222
    datetime.timedelta(1680)
96
223
    >>> rfc3339_duration_to_delta("PT24H")
97
224
    datetime.timedelta(1)
98
225
    >>> rfc3339_duration_to_delta("P1W")
101
228
    datetime.timedelta(0, 330)
102
229
    >>> rfc3339_duration_to_delta("P1DT3M20S")
103
230
    datetime.timedelta(1, 200)
 
231
    >>> # Can not be empty:
 
232
    >>> rfc3339_duration_to_delta("")
 
233
    Traceback (most recent call last):
 
234
    ...
 
235
    ValueError: Invalid RFC 3339 duration: ""
 
236
    >>> # Must start with "P":
 
237
    >>> rfc3339_duration_to_delta("1D")
 
238
    Traceback (most recent call last):
 
239
    ...
 
240
    ValueError: Invalid RFC 3339 duration: "1D"
 
241
    >>> # Must use correct order
 
242
    >>> rfc3339_duration_to_delta("PT1S2M")
 
243
    Traceback (most recent call last):
 
244
    ...
 
245
    ValueError: Invalid RFC 3339 duration: "PT1S2M"
 
246
    >>> # Time needs time marker
 
247
    >>> rfc3339_duration_to_delta("P1H2S")
 
248
    Traceback (most recent call last):
 
249
    ...
 
250
    ValueError: Invalid RFC 3339 duration: "P1H2S"
 
251
    >>> # Weeks can not be combined with anything else
 
252
    >>> rfc3339_duration_to_delta("P1D2W")
 
253
    Traceback (most recent call last):
 
254
    ...
 
255
    ValueError: Invalid RFC 3339 duration: "P1D2W"
 
256
    >>> rfc3339_duration_to_delta("P2W2H")
 
257
    Traceback (most recent call last):
 
258
    ...
 
259
    ValueError: Invalid RFC 3339 duration: "P2W2H"
104
260
    """
105
 
    
 
261
 
106
262
    # Parsing an RFC 3339 duration with regular expressions is not
107
263
    # possible - there would have to be multiple places for the same
108
264
    # values, like seconds.  The current code, while more esoteric, is
109
265
    # cleaner without depending on a parsing library.  If Python had a
110
266
    # built-in library for parsing we would use it, but we'd like to
111
267
    # avoid excessive use of external libraries.
112
 
    
 
268
 
113
269
    # New type for defining tokens, syntax, and semantics all-in-one
114
 
    Token = collections.namedtuple("Token",
115
 
                                   ("regexp", # To match token; if
116
 
                                              # "value" is not None,
117
 
                                              # must have a "group"
118
 
                                              # containing digits
119
 
                                    "value",  # datetime.timedelta or
120
 
                                              # None
121
 
                                    "followers")) # Tokens valid after
122
 
                                                  # this token
 
270
    Token = collections.namedtuple("Token", (
 
271
        "regexp",  # To match token; if "value" is not None, must have
 
272
                   # a "group" containing digits
 
273
        "value",   # datetime.timedelta or None
 
274
        "followers"))           # Tokens valid after this token
123
275
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
124
276
    # the "duration" ABNF definition in RFC 3339, Appendix A.
125
277
    token_end = Token(re.compile(r"$"), None, frozenset())
126
278
    token_second = Token(re.compile(r"(\d+)S"),
127
279
                         datetime.timedelta(seconds=1),
128
 
                         frozenset((token_end,)))
 
280
                         frozenset((token_end, )))
129
281
    token_minute = Token(re.compile(r"(\d+)M"),
130
282
                         datetime.timedelta(minutes=1),
131
283
                         frozenset((token_second, token_end)))
147
299
                       frozenset((token_month, token_end)))
148
300
    token_week = Token(re.compile(r"(\d+)W"),
149
301
                       datetime.timedelta(weeks=1),
150
 
                       frozenset((token_end,)))
 
302
                       frozenset((token_end, )))
151
303
    token_duration = Token(re.compile(r"P"), None,
152
304
                           frozenset((token_year, token_month,
153
305
                                      token_day, token_time,
154
 
                                      token_week))),
155
 
    # Define starting values
156
 
    value = datetime.timedelta() # Value so far
 
306
                                      token_week)))
 
307
    # Define starting values:
 
308
    # Value so far
 
309
    value = datetime.timedelta()
157
310
    found_token = None
158
 
    followers = frozenset(token_duration,) # Following valid tokens
159
 
    s = duration                # String left to parse
 
311
    # Following valid tokens
 
312
    followers = frozenset((token_duration, ))
 
313
    # String left to parse
 
314
    s = duration
160
315
    # Loop until end token is found
161
316
    while found_token is not token_end:
162
317
        # Search for any currently valid tokens
178
333
                break
179
334
        else:
180
335
            # No currently valid tokens were found
181
 
            raise ValueError("Invalid RFC 3339 duration")
 
336
            raise ValueError("Invalid RFC 3339 duration: \"{}\""
 
337
                             .format(duration))
182
338
    # End token found
183
339
    return value
184
340
 
185
341
 
186
 
def string_to_delta(interval):
187
 
    """Parse a string and return a datetime.timedelta
188
 
    
189
 
    >>> string_to_delta("7d")
 
342
def parse_pre_1_6_1_interval(interval):
 
343
    """Parse an interval string as documented by Mandos before 1.6.1,
 
344
    and return a datetime.timedelta
 
345
 
 
346
    >>> parse_pre_1_6_1_interval('7d')
190
347
    datetime.timedelta(7)
191
 
    >>> string_to_delta("60s")
 
348
    >>> parse_pre_1_6_1_interval('60s')
192
349
    datetime.timedelta(0, 60)
193
 
    >>> string_to_delta("60m")
 
350
    >>> parse_pre_1_6_1_interval('60m')
194
351
    datetime.timedelta(0, 3600)
195
 
    >>> string_to_delta("24h")
 
352
    >>> parse_pre_1_6_1_interval('24h')
196
353
    datetime.timedelta(1)
197
 
    >>> string_to_delta("1w")
 
354
    >>> parse_pre_1_6_1_interval('1w')
198
355
    datetime.timedelta(7)
199
 
    >>> string_to_delta("5m 30s")
 
356
    >>> parse_pre_1_6_1_interval('5m 30s')
200
357
    datetime.timedelta(0, 330)
 
358
    >>> parse_pre_1_6_1_interval('')
 
359
    datetime.timedelta(0)
 
360
    >>> # Ignore unknown characters, allow any order and repetitions
 
361
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
362
    datetime.timedelta(2, 480, 18000)
 
363
 
201
364
    """
202
 
    
203
 
    try:
204
 
        return rfc3339_duration_to_delta(interval)
205
 
    except ValueError:
206
 
        pass
207
 
    
 
365
 
208
366
    value = datetime.timedelta(0)
209
367
    regexp = re.compile(r"(\d+)([dsmhw]?)")
210
 
    
 
368
 
211
369
    for num, suffix in regexp.findall(interval):
212
370
        if suffix == "d":
213
371
            value += datetime.timedelta(int(num))
223
381
            value += datetime.timedelta(0, 0, 0, int(num))
224
382
    return value
225
383
 
226
 
def print_clients(clients, keywords):
227
 
    def valuetostring(value, keyword):
228
 
        if type(value) is dbus.Boolean:
229
 
            return "Yes" if value else "No"
230
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
231
 
                       "ApprovalDuration", "ExtendedTimeout"):
232
 
            return milliseconds_to_string(value)
233
 
        return unicode(value)
234
 
    
235
 
    # Create format string to print table rows
236
 
    format_string = " ".join("{{{key}:{width}}}".format(
237
 
            width = max(len(tablewords[key]),
238
 
                        max(len(valuetostring(client[key],
239
 
                                              key))
240
 
                            for client in
241
 
                            clients)),
242
 
            key = key) for key in keywords)
243
 
    # Print header line
244
 
    print(format_string.format(**tablewords))
245
 
    for client in clients:
246
 
        print(format_string.format(**dict((key,
247
 
                                           valuetostring(client[key],
248
 
                                                         key))
249
 
                                          for key in keywords)))
250
 
 
251
 
def has_actions(options):
252
 
    return any((options.enable,
253
 
                options.disable,
254
 
                options.bump_timeout,
255
 
                options.start_checker,
256
 
                options.stop_checker,
257
 
                options.is_enabled,
258
 
                options.remove,
259
 
                options.checker is not None,
260
 
                options.timeout is not None,
261
 
                options.extended_timeout is not None,
262
 
                options.interval is not None,
263
 
                options.approved_by_default is not None,
264
 
                options.approval_delay is not None,
265
 
                options.approval_duration is not None,
266
 
                options.host is not None,
267
 
                options.secret is not None,
268
 
                options.approve,
269
 
                options.deny))
270
 
 
271
 
def main():
272
 
    parser = argparse.ArgumentParser()
273
 
    parser.add_argument("--version", action="version",
274
 
                        version = "%(prog)s {0}".format(version),
275
 
                        help="show version number and exit")
276
 
    parser.add_argument("-a", "--all", action="store_true",
277
 
                        help="Select all clients")
278
 
    parser.add_argument("-v", "--verbose", action="store_true",
279
 
                        help="Print all fields")
280
 
    parser.add_argument("-e", "--enable", action="store_true",
281
 
                        help="Enable client")
282
 
    parser.add_argument("-d", "--disable", action="store_true",
283
 
                        help="disable client")
284
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
285
 
                        help="Bump timeout for client")
286
 
    parser.add_argument("--start-checker", action="store_true",
287
 
                        help="Start checker for client")
288
 
    parser.add_argument("--stop-checker", action="store_true",
289
 
                        help="Stop checker for client")
290
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
291
 
                        help="Check if client is enabled")
292
 
    parser.add_argument("-r", "--remove", action="store_true",
293
 
                        help="Remove client")
294
 
    parser.add_argument("-c", "--checker",
295
 
                        help="Set checker command for client")
296
 
    parser.add_argument("-t", "--timeout",
297
 
                        help="Set timeout for client")
298
 
    parser.add_argument("--extended-timeout",
299
 
                        help="Set extended timeout for client")
300
 
    parser.add_argument("-i", "--interval",
301
 
                        help="Set checker interval for client")
302
 
    parser.add_argument("--approve-by-default", action="store_true",
303
 
                        default=None, dest="approved_by_default",
304
 
                        help="Set client to be approved by default")
305
 
    parser.add_argument("--deny-by-default", action="store_false",
306
 
                        dest="approved_by_default",
307
 
                        help="Set client to be denied by default")
308
 
    parser.add_argument("--approval-delay",
309
 
                        help="Set delay before client approve/deny")
310
 
    parser.add_argument("--approval-duration",
311
 
                        help="Set duration of one client approval")
312
 
    parser.add_argument("-H", "--host", help="Set host for client")
313
 
    parser.add_argument("-s", "--secret", type=file,
314
 
                        help="Set password blob (file) for client")
315
 
    parser.add_argument("-A", "--approve", action="store_true",
316
 
                        help="Approve any current client request")
317
 
    parser.add_argument("-D", "--deny", action="store_true",
318
 
                        help="Deny any current client request")
319
 
    parser.add_argument("--check", action="store_true",
320
 
                        help="Run self-test")
321
 
    parser.add_argument("client", nargs="*", help="Client name")
322
 
    options = parser.parse_args()
323
 
    
 
384
 
 
385
def check_option_syntax(parser, options):
 
386
    """Apply additional restrictions on options, not expressible in
 
387
argparse"""
 
388
 
 
389
    def has_actions(options):
 
390
        return any((options.enable,
 
391
                    options.disable,
 
392
                    options.bump_timeout,
 
393
                    options.start_checker,
 
394
                    options.stop_checker,
 
395
                    options.is_enabled,
 
396
                    options.remove,
 
397
                    options.checker is not None,
 
398
                    options.timeout is not None,
 
399
                    options.extended_timeout is not None,
 
400
                    options.interval is not None,
 
401
                    options.approved_by_default is not None,
 
402
                    options.approval_delay is not None,
 
403
                    options.approval_duration is not None,
 
404
                    options.host is not None,
 
405
                    options.secret is not None,
 
406
                    options.approve,
 
407
                    options.deny))
 
408
 
324
409
    if has_actions(options) and not (options.client or options.all):
325
410
        parser.error("Options require clients names or --all.")
326
411
    if options.verbose and has_actions(options):
327
 
        parser.error("--verbose can only be used alone or with"
328
 
                     " --all.")
 
412
        parser.error("--verbose can only be used alone.")
 
413
    if options.dump_json and (options.verbose
 
414
                              or has_actions(options)):
 
415
        parser.error("--dump-json can only be used alone.")
329
416
    if options.all and not has_actions(options):
330
417
        parser.error("--all requires an action.")
331
 
 
332
 
    if options.check:
333
 
        fail_count, test_count = doctest.testmod()
334
 
        sys.exit(0 if fail_count == 0 else 1)
335
 
    
336
 
    try:
337
 
        bus = dbus.SystemBus()
338
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
339
 
    except dbus.exceptions.DBusException:
340
 
        print("Could not connect to Mandos server",
341
 
              file=sys.stderr)
342
 
        sys.exit(1)
343
 
    
344
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
345
 
                                 dbus_interface = server_interface)
346
 
    
347
 
    #block stderr since dbus library prints to stderr
348
 
    null = os.open(os.path.devnull, os.O_RDWR)
349
 
    stderrcopy = os.dup(sys.stderr.fileno())
350
 
    os.dup2(null, sys.stderr.fileno())
351
 
    os.close(null)
352
 
    try:
353
 
        try:
354
 
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
355
 
        finally:
356
 
            #restore stderr
357
 
            os.dup2(stderrcopy, sys.stderr.fileno())
358
 
            os.close(stderrcopy)
359
 
    except dbus.exceptions.DBusException:
360
 
        print("Access denied: Accessing mandos server through dbus.",
361
 
              file=sys.stderr)
362
 
        sys.exit(1)
363
 
    
364
 
    # Compile dict of (clients: properties) to process
365
 
    clients={}
366
 
    
367
 
    if options.all or not options.client:
368
 
        clients = dict((bus.get_object(busname, path), properties)
369
 
                       for path, properties in
370
 
                       mandos_clients.iteritems())
371
 
    else:
372
 
        for name in options.client:
373
 
            for path, client in mandos_clients.iteritems():
374
 
                if client["Name"] == name:
375
 
                    client_objc = bus.get_object(busname, path)
376
 
                    clients[client_objc] = client
377
 
                    break
378
 
            else:
379
 
                print("Client not found on server: {0!r}"
380
 
                      .format(name), file=sys.stderr)
381
 
                sys.exit(1)
382
 
    
383
 
    if not has_actions(options) and clients:
384
 
        if options.verbose:
385
 
            keywords = ("Name", "Enabled", "Timeout",
386
 
                        "LastCheckedOK", "Created", "Interval",
387
 
                        "Host", "Fingerprint", "CheckerRunning",
 
418
    if options.is_enabled and len(options.client) > 1:
 
419
        parser.error("--is-enabled requires exactly one client")
 
420
    if options.remove:
 
421
        options.remove = False
 
422
        if has_actions(options) and not options.deny:
 
423
            parser.error("--remove can only be combined with --deny")
 
424
        options.remove = True
 
425
 
 
426
 
 
427
def get_mandos_dbus_object(bus):
 
428
    log.debug("D-Bus: Connect to: (busname=%r, path=%r)",
 
429
              dbus_busname, server_dbus_path)
 
430
    with if_dbus_exception_log_with_exception_and_exit(
 
431
            "Could not connect to Mandos server: %s"):
 
432
        mandos_dbus_object = bus.get_object(dbus_busname,
 
433
                                            server_dbus_path)
 
434
    return mandos_dbus_object
 
435
 
 
436
 
 
437
@contextlib.contextmanager
 
438
def if_dbus_exception_log_with_exception_and_exit(*args, **kwargs):
 
439
    try:
 
440
        yield
 
441
    except dbus.exceptions.DBusException as e:
 
442
        log.critical(*(args + (e,)), **kwargs)
 
443
        sys.exit(1)
 
444
 
 
445
 
 
446
def get_managed_objects(object_manager):
 
447
    log.debug("D-Bus: %s:%s:%s.GetManagedObjects()", dbus_busname,
 
448
              server_dbus_path, dbus.OBJECT_MANAGER_IFACE)
 
449
    with if_dbus_exception_log_with_exception_and_exit(
 
450
            "Failed to access Mandos server through D-Bus:\n%s"):
 
451
        with SilenceLogger("dbus.proxies"):
 
452
            managed_objects = object_manager.GetManagedObjects()
 
453
    return managed_objects
 
454
 
 
455
 
 
456
class SilenceLogger(object):
 
457
    "Simple context manager to silence a particular logger"
 
458
    def __init__(self, loggername):
 
459
        self.logger = logging.getLogger(loggername)
 
460
 
 
461
    def __enter__(self):
 
462
        self.logger.addFilter(self.nullfilter)
 
463
 
 
464
    class NullFilter(logging.Filter):
 
465
        def filter(self, record):
 
466
            return False
 
467
 
 
468
    nullfilter = NullFilter()
 
469
 
 
470
    def __exit__(self, exc_type, exc_val, exc_tb):
 
471
        self.logger.removeFilter(self.nullfilter)
 
472
 
 
473
 
 
474
def commands_from_options(options):
 
475
 
 
476
    commands = []
 
477
 
 
478
    if options.is_enabled:
 
479
        commands.append(command.IsEnabled())
 
480
 
 
481
    if options.approve:
 
482
        commands.append(command.Approve())
 
483
 
 
484
    if options.deny:
 
485
        commands.append(command.Deny())
 
486
 
 
487
    if options.remove:
 
488
        commands.append(command.Remove())
 
489
 
 
490
    if options.dump_json:
 
491
        commands.append(command.DumpJSON())
 
492
 
 
493
    if options.enable:
 
494
        commands.append(command.Enable())
 
495
 
 
496
    if options.disable:
 
497
        commands.append(command.Disable())
 
498
 
 
499
    if options.bump_timeout:
 
500
        commands.append(command.BumpTimeout())
 
501
 
 
502
    if options.start_checker:
 
503
        commands.append(command.StartChecker())
 
504
 
 
505
    if options.stop_checker:
 
506
        commands.append(command.StopChecker())
 
507
 
 
508
    if options.approved_by_default is not None:
 
509
        if options.approved_by_default:
 
510
            commands.append(command.ApproveByDefault())
 
511
        else:
 
512
            commands.append(command.DenyByDefault())
 
513
 
 
514
    if options.checker is not None:
 
515
        commands.append(command.SetChecker(options.checker))
 
516
 
 
517
    if options.host is not None:
 
518
        commands.append(command.SetHost(options.host))
 
519
 
 
520
    if options.secret is not None:
 
521
        commands.append(command.SetSecret(options.secret))
 
522
 
 
523
    if options.timeout is not None:
 
524
        commands.append(command.SetTimeout(options.timeout))
 
525
 
 
526
    if options.extended_timeout:
 
527
        commands.append(
 
528
            command.SetExtendedTimeout(options.extended_timeout))
 
529
 
 
530
    if options.interval is not None:
 
531
        commands.append(command.SetInterval(options.interval))
 
532
 
 
533
    if options.approval_delay is not None:
 
534
        commands.append(
 
535
            command.SetApprovalDelay(options.approval_delay))
 
536
 
 
537
    if options.approval_duration is not None:
 
538
        commands.append(
 
539
            command.SetApprovalDuration(options.approval_duration))
 
540
 
 
541
    # If no command option has been given, show table of clients,
 
542
    # optionally verbosely
 
543
    if not commands:
 
544
        commands.append(command.PrintTable(verbose=options.verbose))
 
545
 
 
546
    return commands
 
547
 
 
548
 
 
549
class command(object):
 
550
    """A namespace for command classes"""
 
551
 
 
552
    class Base(object):
 
553
        """Abstract base class for commands"""
 
554
        def run(self, clients, bus=None, mandos=None):
 
555
            """Normal commands should implement run_on_one_client(),
 
556
but commands which want to operate on all clients at the same time can
 
557
override this run() method instead.
 
558
"""
 
559
            self.mandos = mandos
 
560
            for clientpath, properties in clients.items():
 
561
                log.debug("D-Bus: Connect to: (busname=%r, path=%r)",
 
562
                          dbus_busname, str(clientpath))
 
563
                client = bus.get_object(dbus_busname, clientpath)
 
564
                self.run_on_one_client(client, properties)
 
565
 
 
566
 
 
567
    class IsEnabled(Base):
 
568
        def run(self, clients, bus=None, mandos=None):
 
569
            client, properties = next(iter(clients.items()))
 
570
            if self.is_enabled(client, properties):
 
571
                sys.exit(0)
 
572
            sys.exit(1)
 
573
        def is_enabled(self, client, properties):
 
574
            return properties["Enabled"]
 
575
 
 
576
 
 
577
    class Approve(Base):
 
578
        def run_on_one_client(self, client, properties):
 
579
            log.debug("D-Bus: %s:%s:%s.Approve(True)", dbus_busname,
 
580
                      client.__dbus_object_path__,
 
581
                      client_dbus_interface)
 
582
            client.Approve(dbus.Boolean(True),
 
583
                           dbus_interface=client_dbus_interface)
 
584
 
 
585
 
 
586
    class Deny(Base):
 
587
        def run_on_one_client(self, client, properties):
 
588
            log.debug("D-Bus: %s:%s:%s.Approve(False)", dbus_busname,
 
589
                      client.__dbus_object_path__,
 
590
                      client_dbus_interface)
 
591
            client.Approve(dbus.Boolean(False),
 
592
                           dbus_interface=client_dbus_interface)
 
593
 
 
594
 
 
595
    class Remove(Base):
 
596
        def run_on_one_client(self, client, properties):
 
597
            log.debug("D-Bus: %s:%s:%s.RemoveClient(%r)",
 
598
                      dbus_busname, server_dbus_path,
 
599
                      server_dbus_interface,
 
600
                      str(client.__dbus_object_path__))
 
601
            self.mandos.RemoveClient(client.__dbus_object_path__)
 
602
 
 
603
 
 
604
    class Output(Base):
 
605
        """Abstract class for commands outputting client details"""
 
606
        all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
607
                        "Created", "Interval", "Host", "KeyID",
 
608
                        "Fingerprint", "CheckerRunning",
388
609
                        "LastEnabled", "ApprovalPending",
389
 
                        "ApprovedByDefault",
390
 
                        "LastApprovalRequest", "ApprovalDelay",
391
 
                        "ApprovalDuration", "Checker",
392
 
                        "ExtendedTimeout")
393
 
        else:
394
 
            keywords = defaultkeywords
395
 
        
396
 
        print_clients(clients.values(), keywords)
397
 
    else:
398
 
        # Process each client in the list by all selected options
399
 
        for client in clients:
400
 
            def set_client_prop(prop, value):
401
 
                """Set a Client D-Bus property"""
402
 
                client.Set(client_interface, prop, value,
403
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
404
 
            def set_client_prop_ms(prop, value):
405
 
                """Set a Client D-Bus property, converted
406
 
                from a string to milliseconds."""
407
 
                set_client_prop(prop,
408
 
                                timedelta_to_milliseconds
409
 
                                (string_to_delta(value)))
410
 
            if options.remove:
411
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
412
 
            if options.enable:
413
 
                set_client_prop("Enabled", dbus.Boolean(True))
414
 
            if options.disable:
415
 
                set_client_prop("Enabled", dbus.Boolean(False))
416
 
            if options.bump_timeout:
417
 
                set_client_prop("LastCheckedOK", "")
418
 
            if options.start_checker:
419
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
420
 
            if options.stop_checker:
421
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
422
 
            if options.is_enabled:
423
 
                sys.exit(0 if client.Get(client_interface,
424
 
                                         "Enabled",
425
 
                                         dbus_interface=
426
 
                                         dbus.PROPERTIES_IFACE)
427
 
                         else 1)
428
 
            if options.checker is not None:
429
 
                set_client_prop("Checker", options.checker)
430
 
            if options.host is not None:
431
 
                set_client_prop("Host", options.host)
432
 
            if options.interval is not None:
433
 
                set_client_prop_ms("Interval", options.interval)
434
 
            if options.approval_delay is not None:
435
 
                set_client_prop_ms("ApprovalDelay",
436
 
                                   options.approval_delay)
437
 
            if options.approval_duration is not None:
438
 
                set_client_prop_ms("ApprovalDuration",
439
 
                                   options.approval_duration)
440
 
            if options.timeout is not None:
441
 
                set_client_prop_ms("Timeout", options.timeout)
442
 
            if options.extended_timeout is not None:
443
 
                set_client_prop_ms("ExtendedTimeout",
444
 
                                   options.extended_timeout)
445
 
            if options.secret is not None:
446
 
                set_client_prop("Secret",
447
 
                                dbus.ByteArray(options.secret.read()))
448
 
            if options.approved_by_default is not None:
449
 
                set_client_prop("ApprovedByDefault",
450
 
                                dbus.Boolean(options
451
 
                                             .approved_by_default))
452
 
            if options.approve:
453
 
                client.Approve(dbus.Boolean(True),
454
 
                               dbus_interface=client_interface)
455
 
            elif options.deny:
456
 
                client.Approve(dbus.Boolean(False),
457
 
                               dbus_interface=client_interface)
 
610
                        "ApprovedByDefault", "LastApprovalRequest",
 
611
                        "ApprovalDelay", "ApprovalDuration",
 
612
                        "Checker", "ExtendedTimeout", "Expires",
 
613
                        "LastCheckerStatus")
 
614
 
 
615
 
 
616
    class DumpJSON(Output):
 
617
        def run(self, clients, bus=None, mandos=None):
 
618
            data = {client["Name"]:
 
619
                    {key: self.dbus_boolean_to_bool(client[key])
 
620
                     for key in self.all_keywords}
 
621
                    for client in clients.values()}
 
622
            print(json.dumps(data, indent=4, separators=(',', ': ')))
 
623
 
 
624
        @staticmethod
 
625
        def dbus_boolean_to_bool(value):
 
626
            if isinstance(value, dbus.Boolean):
 
627
                value = bool(value)
 
628
            return value
 
629
 
 
630
 
 
631
    class PrintTable(Output):
 
632
        def __init__(self, verbose=False):
 
633
            self.verbose = verbose
 
634
 
 
635
        def run(self, clients, bus=None, mandos=None):
 
636
            default_keywords = ("Name", "Enabled", "Timeout",
 
637
                                "LastCheckedOK")
 
638
            keywords = default_keywords
 
639
            if self.verbose:
 
640
                keywords = self.all_keywords
 
641
            print(self.TableOfClients(clients.values(), keywords))
 
642
 
 
643
        class TableOfClients(object):
 
644
            tableheaders = {
 
645
                "Name": "Name",
 
646
                "Enabled": "Enabled",
 
647
                "Timeout": "Timeout",
 
648
                "LastCheckedOK": "Last Successful Check",
 
649
                "LastApprovalRequest": "Last Approval Request",
 
650
                "Created": "Created",
 
651
                "Interval": "Interval",
 
652
                "Host": "Host",
 
653
                "Fingerprint": "Fingerprint",
 
654
                "KeyID": "Key ID",
 
655
                "CheckerRunning": "Check Is Running",
 
656
                "LastEnabled": "Last Enabled",
 
657
                "ApprovalPending": "Approval Is Pending",
 
658
                "ApprovedByDefault": "Approved By Default",
 
659
                "ApprovalDelay": "Approval Delay",
 
660
                "ApprovalDuration": "Approval Duration",
 
661
                "Checker": "Checker",
 
662
                "ExtendedTimeout": "Extended Timeout",
 
663
                "Expires": "Expires",
 
664
                "LastCheckerStatus": "Last Checker Status",
 
665
            }
 
666
 
 
667
            def __init__(self, clients, keywords):
 
668
                self.clients = clients
 
669
                self.keywords = keywords
 
670
 
 
671
            def __str__(self):
 
672
                return "\n".join(self.rows())
 
673
 
 
674
            if sys.version_info.major == 2:
 
675
                __unicode__ = __str__
 
676
                def __str__(self):
 
677
                    return str(self).encode(
 
678
                        locale.getpreferredencoding())
 
679
 
 
680
            def rows(self):
 
681
                format_string = self.row_formatting_string()
 
682
                rows = [self.header_line(format_string)]
 
683
                rows.extend(self.client_line(client, format_string)
 
684
                            for client in self.clients)
 
685
                return rows
 
686
 
 
687
            def row_formatting_string(self):
 
688
                "Format string used to format table rows"
 
689
                return " ".join("{{{key}:{width}}}".format(
 
690
                    width=max(len(self.tableheaders[key]),
 
691
                              *(len(self.string_from_client(client,
 
692
                                                            key))
 
693
                                for client in self.clients)),
 
694
                    key=key)
 
695
                                for key in self.keywords)
 
696
 
 
697
            def string_from_client(self, client, key):
 
698
                return self.valuetostring(client[key], key)
 
699
 
 
700
            @classmethod
 
701
            def valuetostring(cls, value, keyword):
 
702
                if isinstance(value, dbus.Boolean):
 
703
                    return "Yes" if value else "No"
 
704
                if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
705
                               "ApprovalDuration", "ExtendedTimeout"):
 
706
                    return cls.milliseconds_to_string(value)
 
707
                return str(value)
 
708
 
 
709
            def header_line(self, format_string):
 
710
                return format_string.format(**self.tableheaders)
 
711
 
 
712
            def client_line(self, client, format_string):
 
713
                return format_string.format(
 
714
                    **{key: self.string_from_client(client, key)
 
715
                       for key in self.keywords})
 
716
 
 
717
            @staticmethod
 
718
            def milliseconds_to_string(ms):
 
719
                td = datetime.timedelta(0, 0, 0, ms)
 
720
                return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
721
                        .format(days="{}T".format(td.days)
 
722
                                if td.days else "",
 
723
                                hours=td.seconds // 3600,
 
724
                                minutes=(td.seconds % 3600) // 60,
 
725
                                seconds=td.seconds % 60))
 
726
 
 
727
 
 
728
    class PropertySetter(Base):
 
729
        "Abstract class for Actions for setting one client property"
 
730
 
 
731
        def run_on_one_client(self, client, properties):
 
732
            """Set the Client's D-Bus property"""
 
733
            log.debug("D-Bus: %s:%s:%s.Set(%r, %r, %r)", dbus_busname,
 
734
                      client.__dbus_object_path__,
 
735
                      dbus.PROPERTIES_IFACE, client_dbus_interface,
 
736
                      self.propname, self.value_to_set
 
737
                      if not isinstance(self.value_to_set,
 
738
                                        dbus.Boolean)
 
739
                      else bool(self.value_to_set))
 
740
            client.Set(client_dbus_interface, self.propname,
 
741
                       self.value_to_set,
 
742
                       dbus_interface=dbus.PROPERTIES_IFACE)
 
743
 
 
744
        @property
 
745
        def propname(self):
 
746
            raise NotImplementedError()
 
747
 
 
748
 
 
749
    class Enable(PropertySetter):
 
750
        propname = "Enabled"
 
751
        value_to_set = dbus.Boolean(True)
 
752
 
 
753
 
 
754
    class Disable(PropertySetter):
 
755
        propname = "Enabled"
 
756
        value_to_set = dbus.Boolean(False)
 
757
 
 
758
 
 
759
    class BumpTimeout(PropertySetter):
 
760
        propname = "LastCheckedOK"
 
761
        value_to_set = ""
 
762
 
 
763
 
 
764
    class StartChecker(PropertySetter):
 
765
        propname = "CheckerRunning"
 
766
        value_to_set = dbus.Boolean(True)
 
767
 
 
768
 
 
769
    class StopChecker(PropertySetter):
 
770
        propname = "CheckerRunning"
 
771
        value_to_set = dbus.Boolean(False)
 
772
 
 
773
 
 
774
    class ApproveByDefault(PropertySetter):
 
775
        propname = "ApprovedByDefault"
 
776
        value_to_set = dbus.Boolean(True)
 
777
 
 
778
 
 
779
    class DenyByDefault(PropertySetter):
 
780
        propname = "ApprovedByDefault"
 
781
        value_to_set = dbus.Boolean(False)
 
782
 
 
783
 
 
784
    class PropertySetterValue(PropertySetter):
 
785
        """Abstract class for PropertySetter recieving a value as
 
786
constructor argument instead of a class attribute."""
 
787
        def __init__(self, value):
 
788
            self.value_to_set = value
 
789
 
 
790
 
 
791
    class SetChecker(PropertySetterValue):
 
792
        propname = "Checker"
 
793
 
 
794
 
 
795
    class SetHost(PropertySetterValue):
 
796
        propname = "Host"
 
797
 
 
798
 
 
799
    class SetSecret(PropertySetterValue):
 
800
        propname = "Secret"
 
801
 
 
802
        @property
 
803
        def value_to_set(self):
 
804
            return self._vts
 
805
 
 
806
        @value_to_set.setter
 
807
        def value_to_set(self, value):
 
808
            """When setting, read data from supplied file object"""
 
809
            self._vts = value.read()
 
810
            value.close()
 
811
 
 
812
 
 
813
    class PropertySetterValueMilliseconds(PropertySetterValue):
 
814
        """Abstract class for PropertySetterValue taking a value
 
815
argument as a datetime.timedelta() but should store it as
 
816
milliseconds."""
 
817
 
 
818
        @property
 
819
        def value_to_set(self):
 
820
            return self._vts
 
821
 
 
822
        @value_to_set.setter
 
823
        def value_to_set(self, value):
 
824
            "When setting, convert value from a datetime.timedelta"
 
825
            self._vts = int(round(value.total_seconds() * 1000))
 
826
 
 
827
 
 
828
    class SetTimeout(PropertySetterValueMilliseconds):
 
829
        propname = "Timeout"
 
830
 
 
831
 
 
832
    class SetExtendedTimeout(PropertySetterValueMilliseconds):
 
833
        propname = "ExtendedTimeout"
 
834
 
 
835
 
 
836
    class SetInterval(PropertySetterValueMilliseconds):
 
837
        propname = "Interval"
 
838
 
 
839
 
 
840
    class SetApprovalDelay(PropertySetterValueMilliseconds):
 
841
        propname = "ApprovalDelay"
 
842
 
 
843
 
 
844
    class SetApprovalDuration(PropertySetterValueMilliseconds):
 
845
        propname = "ApprovalDuration"
 
846
 
 
847
 
 
848
 
 
849
class TestCaseWithAssertLogs(unittest.TestCase):
 
850
    """unittest.TestCase.assertLogs only exists in Python 3.4"""
 
851
 
 
852
    if not hasattr(unittest.TestCase, "assertLogs"):
 
853
        @contextlib.contextmanager
 
854
        def assertLogs(self, logger, level=logging.INFO):
 
855
            capturing_handler = self.CapturingLevelHandler(level)
 
856
            old_level = logger.level
 
857
            old_propagate = logger.propagate
 
858
            logger.addHandler(capturing_handler)
 
859
            logger.setLevel(level)
 
860
            logger.propagate = False
 
861
            try:
 
862
                yield capturing_handler.watcher
 
863
            finally:
 
864
                logger.propagate = old_propagate
 
865
                logger.removeHandler(capturing_handler)
 
866
                logger.setLevel(old_level)
 
867
            self.assertGreater(len(capturing_handler.watcher.records),
 
868
                               0)
 
869
 
 
870
        class CapturingLevelHandler(logging.Handler):
 
871
            def __init__(self, level, *args, **kwargs):
 
872
                logging.Handler.__init__(self, *args, **kwargs)
 
873
                self.watcher = self.LoggingWatcher([], [])
 
874
            def emit(self, record):
 
875
                self.watcher.records.append(record)
 
876
                self.watcher.output.append(self.format(record))
 
877
 
 
878
            LoggingWatcher = collections.namedtuple("LoggingWatcher",
 
879
                                                    ("records",
 
880
                                                     "output"))
 
881
 
 
882
 
 
883
class Test_string_to_delta(TestCaseWithAssertLogs):
 
884
    # Just test basic RFC 3339 functionality here, the doc string for
 
885
    # rfc3339_duration_to_delta() already has more comprehensive
 
886
    # tests, which is run by doctest.
 
887
 
 
888
    def test_rfc3339_zero_seconds(self):
 
889
        self.assertEqual(datetime.timedelta(),
 
890
                         string_to_delta("PT0S"))
 
891
 
 
892
    def test_rfc3339_zero_days(self):
 
893
        self.assertEqual(datetime.timedelta(), string_to_delta("P0D"))
 
894
 
 
895
    def test_rfc3339_one_second(self):
 
896
        self.assertEqual(datetime.timedelta(0, 1),
 
897
                         string_to_delta("PT1S"))
 
898
 
 
899
    def test_rfc3339_two_hours(self):
 
900
        self.assertEqual(datetime.timedelta(0, 7200),
 
901
                         string_to_delta("PT2H"))
 
902
 
 
903
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
904
        with self.assertLogs(log, logging.WARNING):
 
905
            value = string_to_delta("2h")
 
906
        self.assertEqual(datetime.timedelta(0, 7200), value)
 
907
 
 
908
 
 
909
class Test_check_option_syntax(unittest.TestCase):
 
910
    def setUp(self):
 
911
        self.parser = argparse.ArgumentParser()
 
912
        add_command_line_options(self.parser)
 
913
 
 
914
    def test_actions_requires_client_or_all(self):
 
915
        for action, value in self.actions.items():
 
916
            options = self.parser.parse_args()
 
917
            setattr(options, action, value)
 
918
            with self.assertParseError():
 
919
                self.check_option_syntax(options)
 
920
 
 
921
    # This mostly corresponds to the definition from has_actions() in
 
922
    # check_option_syntax()
 
923
    actions = {
 
924
        # The actual values set here are not that important, but we do
 
925
        # at least stick to the correct types, even though they are
 
926
        # never used
 
927
        "enable": True,
 
928
        "disable": True,
 
929
        "bump_timeout": True,
 
930
        "start_checker": True,
 
931
        "stop_checker": True,
 
932
        "is_enabled": True,
 
933
        "remove": True,
 
934
        "checker": "x",
 
935
        "timeout": datetime.timedelta(),
 
936
        "extended_timeout": datetime.timedelta(),
 
937
        "interval": datetime.timedelta(),
 
938
        "approved_by_default": True,
 
939
        "approval_delay": datetime.timedelta(),
 
940
        "approval_duration": datetime.timedelta(),
 
941
        "host": "x",
 
942
        "secret": io.BytesIO(b"x"),
 
943
        "approve": True,
 
944
        "deny": True,
 
945
    }
 
946
 
 
947
    @contextlib.contextmanager
 
948
    def assertParseError(self):
 
949
        with self.assertRaises(SystemExit) as e:
 
950
            with self.redirect_stderr_to_devnull():
 
951
                yield
 
952
        # Exit code from argparse is guaranteed to be "2".  Reference:
 
953
        # https://docs.python.org/3/library
 
954
        # /argparse.html#exiting-methods
 
955
        self.assertEqual(2, e.exception.code)
 
956
 
 
957
    @staticmethod
 
958
    @contextlib.contextmanager
 
959
    def redirect_stderr_to_devnull():
 
960
        old_stderr = sys.stderr
 
961
        with contextlib.closing(open(os.devnull, "w")) as null:
 
962
            sys.stderr = null
 
963
            try:
 
964
                yield
 
965
            finally:
 
966
                sys.stderr = old_stderr
 
967
 
 
968
    def check_option_syntax(self, options):
 
969
        check_option_syntax(self.parser, options)
 
970
 
 
971
    def test_actions_all_conflicts_with_verbose(self):
 
972
        for action, value in self.actions.items():
 
973
            options = self.parser.parse_args()
 
974
            setattr(options, action, value)
 
975
            options.all = True
 
976
            options.verbose = True
 
977
            with self.assertParseError():
 
978
                self.check_option_syntax(options)
 
979
 
 
980
    def test_actions_with_client_conflicts_with_verbose(self):
 
981
        for action, value in self.actions.items():
 
982
            options = self.parser.parse_args()
 
983
            setattr(options, action, value)
 
984
            options.verbose = True
 
985
            options.client = ["client"]
 
986
            with self.assertParseError():
 
987
                self.check_option_syntax(options)
 
988
 
 
989
    def test_dump_json_conflicts_with_verbose(self):
 
990
        options = self.parser.parse_args()
 
991
        options.dump_json = True
 
992
        options.verbose = True
 
993
        with self.assertParseError():
 
994
            self.check_option_syntax(options)
 
995
 
 
996
    def test_dump_json_conflicts_with_action(self):
 
997
        for action, value in self.actions.items():
 
998
            options = self.parser.parse_args()
 
999
            setattr(options, action, value)
 
1000
            options.dump_json = True
 
1001
            with self.assertParseError():
 
1002
                self.check_option_syntax(options)
 
1003
 
 
1004
    def test_all_can_not_be_alone(self):
 
1005
        options = self.parser.parse_args()
 
1006
        options.all = True
 
1007
        with self.assertParseError():
 
1008
            self.check_option_syntax(options)
 
1009
 
 
1010
    def test_all_is_ok_with_any_action(self):
 
1011
        for action, value in self.actions.items():
 
1012
            options = self.parser.parse_args()
 
1013
            setattr(options, action, value)
 
1014
            options.all = True
 
1015
            self.check_option_syntax(options)
 
1016
 
 
1017
    def test_any_action_is_ok_with_one_client(self):
 
1018
        for action, value in self.actions.items():
 
1019
            options = self.parser.parse_args()
 
1020
            setattr(options, action, value)
 
1021
            options.client = ["client"]
 
1022
            self.check_option_syntax(options)
 
1023
 
 
1024
    def test_one_client_with_all_actions_except_is_enabled(self):
 
1025
        options = self.parser.parse_args()
 
1026
        for action, value in self.actions.items():
 
1027
            if action == "is_enabled":
 
1028
                continue
 
1029
            setattr(options, action, value)
 
1030
        options.client = ["client"]
 
1031
        self.check_option_syntax(options)
 
1032
 
 
1033
    def test_two_clients_with_all_actions_except_is_enabled(self):
 
1034
        options = self.parser.parse_args()
 
1035
        for action, value in self.actions.items():
 
1036
            if action == "is_enabled":
 
1037
                continue
 
1038
            setattr(options, action, value)
 
1039
        options.client = ["client1", "client2"]
 
1040
        self.check_option_syntax(options)
 
1041
 
 
1042
    def test_two_clients_are_ok_with_actions_except_is_enabled(self):
 
1043
        for action, value in self.actions.items():
 
1044
            if action == "is_enabled":
 
1045
                continue
 
1046
            options = self.parser.parse_args()
 
1047
            setattr(options, action, value)
 
1048
            options.client = ["client1", "client2"]
 
1049
            self.check_option_syntax(options)
 
1050
 
 
1051
    def test_is_enabled_fails_without_client(self):
 
1052
        options = self.parser.parse_args()
 
1053
        options.is_enabled = True
 
1054
        with self.assertParseError():
 
1055
            self.check_option_syntax(options)
 
1056
 
 
1057
    def test_is_enabled_fails_with_two_clients(self):
 
1058
        options = self.parser.parse_args()
 
1059
        options.is_enabled = True
 
1060
        options.client = ["client1", "client2"]
 
1061
        with self.assertParseError():
 
1062
            self.check_option_syntax(options)
 
1063
 
 
1064
    def test_remove_can_only_be_combined_with_action_deny(self):
 
1065
        for action, value in self.actions.items():
 
1066
            if action in {"remove", "deny"}:
 
1067
                continue
 
1068
            options = self.parser.parse_args()
 
1069
            setattr(options, action, value)
 
1070
            options.all = True
 
1071
            options.remove = True
 
1072
            with self.assertParseError():
 
1073
                self.check_option_syntax(options)
 
1074
 
 
1075
 
 
1076
class Test_get_mandos_dbus_object(TestCaseWithAssertLogs):
 
1077
    def test_calls_and_returns_get_object_on_bus(self):
 
1078
        class MockBus(object):
 
1079
            called = False
 
1080
            def get_object(mockbus_self, busname, dbus_path):
 
1081
                # Note that "self" is still the testcase instance,
 
1082
                # this MockBus instance is in "mockbus_self".
 
1083
                self.assertEqual(dbus_busname, busname)
 
1084
                self.assertEqual(server_dbus_path, dbus_path)
 
1085
                mockbus_self.called = True
 
1086
                return mockbus_self
 
1087
 
 
1088
        mockbus = get_mandos_dbus_object(bus=MockBus())
 
1089
        self.assertIsInstance(mockbus, MockBus)
 
1090
        self.assertTrue(mockbus.called)
 
1091
 
 
1092
    def test_logs_and_exits_on_dbus_error(self):
 
1093
        class FailingBusStub(object):
 
1094
            def get_object(self, busname, dbus_path):
 
1095
                raise dbus.exceptions.DBusException("Test")
 
1096
 
 
1097
        with self.assertLogs(log, logging.CRITICAL):
 
1098
            with self.assertRaises(SystemExit) as e:
 
1099
                bus = get_mandos_dbus_object(bus=FailingBusStub())
 
1100
 
 
1101
        if isinstance(e.exception.code, int):
 
1102
            self.assertNotEqual(0, e.exception.code)
 
1103
        else:
 
1104
            self.assertIsNotNone(e.exception.code)
 
1105
 
 
1106
 
 
1107
class Test_get_managed_objects(TestCaseWithAssertLogs):
 
1108
    def test_calls_and_returns_GetManagedObjects(self):
 
1109
        managed_objects = {"/clients/client": { "Name": "client"}}
 
1110
        class ObjectManagerStub(object):
 
1111
            def GetManagedObjects(self):
 
1112
                return managed_objects
 
1113
        retval = get_managed_objects(ObjectManagerStub())
 
1114
        self.assertDictEqual(managed_objects, retval)
 
1115
 
 
1116
    def test_logs_and_exits_on_dbus_error(self):
 
1117
        dbus_logger = logging.getLogger("dbus.proxies")
 
1118
 
 
1119
        class ObjectManagerFailingStub(object):
 
1120
            def GetManagedObjects(self):
 
1121
                dbus_logger.error("Test")
 
1122
                raise dbus.exceptions.DBusException("Test")
 
1123
 
 
1124
        class CountingHandler(logging.Handler):
 
1125
            count = 0
 
1126
            def emit(self, record):
 
1127
                self.count += 1
 
1128
 
 
1129
        counting_handler = CountingHandler()
 
1130
 
 
1131
        dbus_logger.addHandler(counting_handler)
 
1132
 
 
1133
        try:
 
1134
            with self.assertLogs(log, logging.CRITICAL) as watcher:
 
1135
                with self.assertRaises(SystemExit) as e:
 
1136
                    get_managed_objects(ObjectManagerFailingStub())
 
1137
        finally:
 
1138
            dbus_logger.removeFilter(counting_handler)
 
1139
 
 
1140
        # Make sure the dbus logger was suppressed
 
1141
        self.assertEqual(0, counting_handler.count)
 
1142
 
 
1143
        # Test that the dbus_logger still works
 
1144
        with self.assertLogs(dbus_logger, logging.ERROR):
 
1145
            dbus_logger.error("Test")
 
1146
 
 
1147
        if isinstance(e.exception.code, int):
 
1148
            self.assertNotEqual(0, e.exception.code)
 
1149
        else:
 
1150
            self.assertIsNotNone(e.exception.code)
 
1151
 
 
1152
 
 
1153
class Test_commands_from_options(unittest.TestCase):
 
1154
    def setUp(self):
 
1155
        self.parser = argparse.ArgumentParser()
 
1156
        add_command_line_options(self.parser)
 
1157
 
 
1158
    def test_is_enabled(self):
 
1159
        self.assert_command_from_args(["--is-enabled", "client"],
 
1160
                                      command.IsEnabled)
 
1161
 
 
1162
    def assert_command_from_args(self, args, command_cls,
 
1163
                                 **cmd_attrs):
 
1164
        """Assert that parsing ARGS should result in an instance of
 
1165
COMMAND_CLS with (optionally) all supplied attributes (CMD_ATTRS)."""
 
1166
        options = self.parser.parse_args(args)
 
1167
        check_option_syntax(self.parser, options)
 
1168
        commands = commands_from_options(options)
 
1169
        self.assertEqual(1, len(commands))
 
1170
        command = commands[0]
 
1171
        self.assertIsInstance(command, command_cls)
 
1172
        for key, value in cmd_attrs.items():
 
1173
            self.assertEqual(value, getattr(command, key))
 
1174
 
 
1175
    def test_is_enabled_short(self):
 
1176
        self.assert_command_from_args(["-V", "client"],
 
1177
                                      command.IsEnabled)
 
1178
 
 
1179
    def test_approve(self):
 
1180
        self.assert_command_from_args(["--approve", "client"],
 
1181
                                      command.Approve)
 
1182
 
 
1183
    def test_approve_short(self):
 
1184
        self.assert_command_from_args(["-A", "client"],
 
1185
                                      command.Approve)
 
1186
 
 
1187
    def test_deny(self):
 
1188
        self.assert_command_from_args(["--deny", "client"],
 
1189
                                      command.Deny)
 
1190
 
 
1191
    def test_deny_short(self):
 
1192
        self.assert_command_from_args(["-D", "client"], command.Deny)
 
1193
 
 
1194
    def test_remove(self):
 
1195
        self.assert_command_from_args(["--remove", "client"],
 
1196
                                      command.Remove)
 
1197
 
 
1198
    def test_deny_before_remove(self):
 
1199
        options = self.parser.parse_args(["--deny", "--remove",
 
1200
                                          "client"])
 
1201
        check_option_syntax(self.parser, options)
 
1202
        commands = commands_from_options(options)
 
1203
        self.assertEqual(2, len(commands))
 
1204
        self.assertIsInstance(commands[0], command.Deny)
 
1205
        self.assertIsInstance(commands[1], command.Remove)
 
1206
 
 
1207
    def test_deny_before_remove_reversed(self):
 
1208
        options = self.parser.parse_args(["--remove", "--deny",
 
1209
                                          "--all"])
 
1210
        check_option_syntax(self.parser, options)
 
1211
        commands = commands_from_options(options)
 
1212
        self.assertEqual(2, len(commands))
 
1213
        self.assertIsInstance(commands[0], command.Deny)
 
1214
        self.assertIsInstance(commands[1], command.Remove)
 
1215
 
 
1216
    def test_remove_short(self):
 
1217
        self.assert_command_from_args(["-r", "client"],
 
1218
                                      command.Remove)
 
1219
 
 
1220
    def test_dump_json(self):
 
1221
        self.assert_command_from_args(["--dump-json"],
 
1222
                                      command.DumpJSON)
 
1223
 
 
1224
    def test_enable(self):
 
1225
        self.assert_command_from_args(["--enable", "client"],
 
1226
                                      command.Enable)
 
1227
 
 
1228
    def test_enable_short(self):
 
1229
        self.assert_command_from_args(["-e", "client"],
 
1230
                                      command.Enable)
 
1231
 
 
1232
    def test_disable(self):
 
1233
        self.assert_command_from_args(["--disable", "client"],
 
1234
                                      command.Disable)
 
1235
 
 
1236
    def test_disable_short(self):
 
1237
        self.assert_command_from_args(["-d", "client"],
 
1238
                                      command.Disable)
 
1239
 
 
1240
    def test_bump_timeout(self):
 
1241
        self.assert_command_from_args(["--bump-timeout", "client"],
 
1242
                                      command.BumpTimeout)
 
1243
 
 
1244
    def test_bump_timeout_short(self):
 
1245
        self.assert_command_from_args(["-b", "client"],
 
1246
                                      command.BumpTimeout)
 
1247
 
 
1248
    def test_start_checker(self):
 
1249
        self.assert_command_from_args(["--start-checker", "client"],
 
1250
                                      command.StartChecker)
 
1251
 
 
1252
    def test_stop_checker(self):
 
1253
        self.assert_command_from_args(["--stop-checker", "client"],
 
1254
                                      command.StopChecker)
 
1255
 
 
1256
    def test_approve_by_default(self):
 
1257
        self.assert_command_from_args(["--approve-by-default",
 
1258
                                       "client"],
 
1259
                                      command.ApproveByDefault)
 
1260
 
 
1261
    def test_deny_by_default(self):
 
1262
        self.assert_command_from_args(["--deny-by-default", "client"],
 
1263
                                      command.DenyByDefault)
 
1264
 
 
1265
    def test_checker(self):
 
1266
        self.assert_command_from_args(["--checker", ":", "client"],
 
1267
                                      command.SetChecker,
 
1268
                                      value_to_set=":")
 
1269
 
 
1270
    def test_checker_empty(self):
 
1271
        self.assert_command_from_args(["--checker", "", "client"],
 
1272
                                      command.SetChecker,
 
1273
                                      value_to_set="")
 
1274
 
 
1275
    def test_checker_short(self):
 
1276
        self.assert_command_from_args(["-c", ":", "client"],
 
1277
                                      command.SetChecker,
 
1278
                                      value_to_set=":")
 
1279
 
 
1280
    def test_host(self):
 
1281
        self.assert_command_from_args(
 
1282
            ["--host", "client.example.org", "client"],
 
1283
            command.SetHost, value_to_set="client.example.org")
 
1284
 
 
1285
    def test_host_short(self):
 
1286
        self.assert_command_from_args(
 
1287
            ["-H", "client.example.org", "client"], command.SetHost,
 
1288
            value_to_set="client.example.org")
 
1289
 
 
1290
    def test_secret_devnull(self):
 
1291
        self.assert_command_from_args(["--secret", os.path.devnull,
 
1292
                                       "client"], command.SetSecret,
 
1293
                                      value_to_set=b"")
 
1294
 
 
1295
    def test_secret_tempfile(self):
 
1296
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1297
            value = b"secret\0xyzzy\nbar"
 
1298
            f.write(value)
 
1299
            f.seek(0)
 
1300
            self.assert_command_from_args(["--secret", f.name,
 
1301
                                           "client"],
 
1302
                                          command.SetSecret,
 
1303
                                          value_to_set=value)
 
1304
 
 
1305
    def test_secret_devnull_short(self):
 
1306
        self.assert_command_from_args(["-s", os.path.devnull,
 
1307
                                       "client"], command.SetSecret,
 
1308
                                      value_to_set=b"")
 
1309
 
 
1310
    def test_secret_tempfile_short(self):
 
1311
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1312
            value = b"secret\0xyzzy\nbar"
 
1313
            f.write(value)
 
1314
            f.seek(0)
 
1315
            self.assert_command_from_args(["-s", f.name, "client"],
 
1316
                                          command.SetSecret,
 
1317
                                          value_to_set=value)
 
1318
 
 
1319
    def test_timeout(self):
 
1320
        self.assert_command_from_args(["--timeout", "PT5M", "client"],
 
1321
                                      command.SetTimeout,
 
1322
                                      value_to_set=300000)
 
1323
 
 
1324
    def test_timeout_short(self):
 
1325
        self.assert_command_from_args(["-t", "PT5M", "client"],
 
1326
                                      command.SetTimeout,
 
1327
                                      value_to_set=300000)
 
1328
 
 
1329
    def test_extended_timeout(self):
 
1330
        self.assert_command_from_args(["--extended-timeout", "PT15M",
 
1331
                                       "client"],
 
1332
                                      command.SetExtendedTimeout,
 
1333
                                      value_to_set=900000)
 
1334
 
 
1335
    def test_interval(self):
 
1336
        self.assert_command_from_args(["--interval", "PT2M",
 
1337
                                       "client"], command.SetInterval,
 
1338
                                      value_to_set=120000)
 
1339
 
 
1340
    def test_interval_short(self):
 
1341
        self.assert_command_from_args(["-i", "PT2M", "client"],
 
1342
                                      command.SetInterval,
 
1343
                                      value_to_set=120000)
 
1344
 
 
1345
    def test_approval_delay(self):
 
1346
        self.assert_command_from_args(["--approval-delay", "PT30S",
 
1347
                                       "client"],
 
1348
                                      command.SetApprovalDelay,
 
1349
                                      value_to_set=30000)
 
1350
 
 
1351
    def test_approval_duration(self):
 
1352
        self.assert_command_from_args(["--approval-duration", "PT1S",
 
1353
                                       "client"],
 
1354
                                      command.SetApprovalDuration,
 
1355
                                      value_to_set=1000)
 
1356
 
 
1357
    def test_print_table(self):
 
1358
        self.assert_command_from_args([], command.PrintTable,
 
1359
                                      verbose=False)
 
1360
 
 
1361
    def test_print_table_verbose(self):
 
1362
        self.assert_command_from_args(["--verbose"],
 
1363
                                      command.PrintTable,
 
1364
                                      verbose=True)
 
1365
 
 
1366
    def test_print_table_verbose_short(self):
 
1367
        self.assert_command_from_args(["-v"], command.PrintTable,
 
1368
                                      verbose=True)
 
1369
 
 
1370
 
 
1371
class TestCommand(unittest.TestCase):
 
1372
    """Abstract class for tests of command classes"""
 
1373
 
 
1374
    def setUp(self):
 
1375
        testcase = self
 
1376
        class MockClient(object):
 
1377
            def __init__(self, name, **attributes):
 
1378
                self.__dbus_object_path__ = "/clients/{}".format(name)
 
1379
                self.attributes = attributes
 
1380
                self.attributes["Name"] = name
 
1381
                self.calls = []
 
1382
            def Set(self, interface, propname, value, dbus_interface):
 
1383
                testcase.assertEqual(client_dbus_interface, interface)
 
1384
                testcase.assertEqual(dbus.PROPERTIES_IFACE,
 
1385
                                     dbus_interface)
 
1386
                self.attributes[propname] = value
 
1387
            def Approve(self, approve, dbus_interface):
 
1388
                testcase.assertEqual(client_dbus_interface,
 
1389
                                     dbus_interface)
 
1390
                self.calls.append(("Approve", (approve,
 
1391
                                               dbus_interface)))
 
1392
        self.client = MockClient(
 
1393
            "foo",
 
1394
            KeyID=("92ed150794387c03ce684574b1139a65"
 
1395
                   "94a34f895daaaf09fd8ea90a27cddb12"),
 
1396
            Secret=b"secret",
 
1397
            Host="foo.example.org",
 
1398
            Enabled=dbus.Boolean(True),
 
1399
            Timeout=300000,
 
1400
            LastCheckedOK="2019-02-03T00:00:00",
 
1401
            Created="2019-01-02T00:00:00",
 
1402
            Interval=120000,
 
1403
            Fingerprint=("778827225BA7DE539C5A"
 
1404
                         "7CFA59CFF7CDBD9A5920"),
 
1405
            CheckerRunning=dbus.Boolean(False),
 
1406
            LastEnabled="2019-01-03T00:00:00",
 
1407
            ApprovalPending=dbus.Boolean(False),
 
1408
            ApprovedByDefault=dbus.Boolean(True),
 
1409
            LastApprovalRequest="",
 
1410
            ApprovalDelay=0,
 
1411
            ApprovalDuration=1000,
 
1412
            Checker="fping -q -- %(host)s",
 
1413
            ExtendedTimeout=900000,
 
1414
            Expires="2019-02-04T00:00:00",
 
1415
            LastCheckerStatus=0)
 
1416
        self.other_client = MockClient(
 
1417
            "barbar",
 
1418
            KeyID=("0558568eedd67d622f5c83b35a115f79"
 
1419
                   "6ab612cff5ad227247e46c2b020f441c"),
 
1420
            Secret=b"secretbar",
 
1421
            Host="192.0.2.3",
 
1422
            Enabled=dbus.Boolean(True),
 
1423
            Timeout=300000,
 
1424
            LastCheckedOK="2019-02-04T00:00:00",
 
1425
            Created="2019-01-03T00:00:00",
 
1426
            Interval=120000,
 
1427
            Fingerprint=("3E393AEAEFB84C7E89E2"
 
1428
                         "F547B3A107558FCA3A27"),
 
1429
            CheckerRunning=dbus.Boolean(True),
 
1430
            LastEnabled="2019-01-04T00:00:00",
 
1431
            ApprovalPending=dbus.Boolean(False),
 
1432
            ApprovedByDefault=dbus.Boolean(False),
 
1433
            LastApprovalRequest="2019-01-03T00:00:00",
 
1434
            ApprovalDelay=30000,
 
1435
            ApprovalDuration=93785000,
 
1436
            Checker=":",
 
1437
            ExtendedTimeout=900000,
 
1438
            Expires="2019-02-05T00:00:00",
 
1439
            LastCheckerStatus=-2)
 
1440
        self.clients =  collections.OrderedDict(
 
1441
            [
 
1442
                (self.client.__dbus_object_path__,
 
1443
                 self.client.attributes),
 
1444
                (self.other_client.__dbus_object_path__,
 
1445
                 self.other_client.attributes),
 
1446
            ])
 
1447
        self.one_client = {self.client.__dbus_object_path__:
 
1448
                           self.client.attributes}
 
1449
 
 
1450
    @property
 
1451
    def bus(self):
 
1452
        class MockBus(object):
 
1453
            @staticmethod
 
1454
            def get_object(client_bus_name, path):
 
1455
                self.assertEqual(dbus_busname, client_bus_name)
 
1456
                # Note: "self" here is the TestCmd instance, not the
 
1457
                # MockBus instance, since this is a static method!
 
1458
                if path == self.client.__dbus_object_path__:
 
1459
                    return self.client
 
1460
                elif path == self.other_client.__dbus_object_path__:
 
1461
                    return self.other_client
 
1462
        return MockBus()
 
1463
 
 
1464
 
 
1465
class TestBaseCommands(TestCommand):
 
1466
 
 
1467
    def test_IsEnabled_exits_successfully(self):
 
1468
        with self.assertRaises(SystemExit) as e:
 
1469
            command.IsEnabled().run(self.one_client)
 
1470
        if e.exception.code is not None:
 
1471
            self.assertEqual(0, e.exception.code)
 
1472
        else:
 
1473
            self.assertIsNone(e.exception.code)
 
1474
 
 
1475
    def test_IsEnabled_exits_with_failure(self):
 
1476
        self.client.attributes["Enabled"] = dbus.Boolean(False)
 
1477
        with self.assertRaises(SystemExit) as e:
 
1478
            command.IsEnabled().run(self.one_client)
 
1479
        if isinstance(e.exception.code, int):
 
1480
            self.assertNotEqual(0, e.exception.code)
 
1481
        else:
 
1482
            self.assertIsNotNone(e.exception.code)
 
1483
 
 
1484
    def test_Approve(self):
 
1485
        command.Approve().run(self.clients, self.bus)
 
1486
        for clientpath in self.clients:
 
1487
            client = self.bus.get_object(dbus_busname, clientpath)
 
1488
            self.assertIn(("Approve", (True, client_dbus_interface)),
 
1489
                          client.calls)
 
1490
 
 
1491
    def test_Deny(self):
 
1492
        command.Deny().run(self.clients, self.bus)
 
1493
        for clientpath in self.clients:
 
1494
            client = self.bus.get_object(dbus_busname, clientpath)
 
1495
            self.assertIn(("Approve", (False, client_dbus_interface)),
 
1496
                          client.calls)
 
1497
 
 
1498
    def test_Remove(self):
 
1499
        class MandosSpy(object):
 
1500
            def __init__(self):
 
1501
                self.calls = []
 
1502
            def RemoveClient(self, dbus_path):
 
1503
                self.calls.append(("RemoveClient", (dbus_path,)))
 
1504
        mandos = MandosSpy()
 
1505
        command.Remove().run(self.clients, self.bus, mandos)
 
1506
        for clientpath in self.clients:
 
1507
            self.assertIn(("RemoveClient", (clientpath,)),
 
1508
                          mandos.calls)
 
1509
 
 
1510
    expected_json = {
 
1511
        "foo": {
 
1512
            "Name": "foo",
 
1513
            "KeyID": ("92ed150794387c03ce684574b1139a65"
 
1514
                      "94a34f895daaaf09fd8ea90a27cddb12"),
 
1515
            "Host": "foo.example.org",
 
1516
            "Enabled": True,
 
1517
            "Timeout": 300000,
 
1518
            "LastCheckedOK": "2019-02-03T00:00:00",
 
1519
            "Created": "2019-01-02T00:00:00",
 
1520
            "Interval": 120000,
 
1521
            "Fingerprint": ("778827225BA7DE539C5A"
 
1522
                            "7CFA59CFF7CDBD9A5920"),
 
1523
            "CheckerRunning": False,
 
1524
            "LastEnabled": "2019-01-03T00:00:00",
 
1525
            "ApprovalPending": False,
 
1526
            "ApprovedByDefault": True,
 
1527
            "LastApprovalRequest": "",
 
1528
            "ApprovalDelay": 0,
 
1529
            "ApprovalDuration": 1000,
 
1530
            "Checker": "fping -q -- %(host)s",
 
1531
            "ExtendedTimeout": 900000,
 
1532
            "Expires": "2019-02-04T00:00:00",
 
1533
            "LastCheckerStatus": 0,
 
1534
        },
 
1535
        "barbar": {
 
1536
            "Name": "barbar",
 
1537
            "KeyID": ("0558568eedd67d622f5c83b35a115f79"
 
1538
                      "6ab612cff5ad227247e46c2b020f441c"),
 
1539
            "Host": "192.0.2.3",
 
1540
            "Enabled": True,
 
1541
            "Timeout": 300000,
 
1542
            "LastCheckedOK": "2019-02-04T00:00:00",
 
1543
            "Created": "2019-01-03T00:00:00",
 
1544
            "Interval": 120000,
 
1545
            "Fingerprint": ("3E393AEAEFB84C7E89E2"
 
1546
                            "F547B3A107558FCA3A27"),
 
1547
            "CheckerRunning": True,
 
1548
            "LastEnabled": "2019-01-04T00:00:00",
 
1549
            "ApprovalPending": False,
 
1550
            "ApprovedByDefault": False,
 
1551
            "LastApprovalRequest": "2019-01-03T00:00:00",
 
1552
            "ApprovalDelay": 30000,
 
1553
            "ApprovalDuration": 93785000,
 
1554
            "Checker": ":",
 
1555
            "ExtendedTimeout": 900000,
 
1556
            "Expires": "2019-02-05T00:00:00",
 
1557
            "LastCheckerStatus": -2,
 
1558
        },
 
1559
    }
 
1560
 
 
1561
    def test_DumpJSON_normal(self):
 
1562
        with self.capture_stdout_to_buffer() as buffer:
 
1563
            command.DumpJSON().run(self.clients)
 
1564
        json_data = json.loads(buffer.getvalue())
 
1565
        self.assertDictEqual(self.expected_json, json_data)
 
1566
 
 
1567
    @staticmethod
 
1568
    @contextlib.contextmanager
 
1569
    def capture_stdout_to_buffer():
 
1570
        capture_buffer = io.StringIO()
 
1571
        old_stdout = sys.stdout
 
1572
        sys.stdout = capture_buffer
 
1573
        try:
 
1574
            yield capture_buffer
 
1575
        finally:
 
1576
            sys.stdout = old_stdout
 
1577
 
 
1578
    def test_DumpJSON_one_client(self):
 
1579
        with self.capture_stdout_to_buffer() as buffer:
 
1580
            command.DumpJSON().run(self.one_client)
 
1581
        json_data = json.loads(buffer.getvalue())
 
1582
        expected_json = {"foo": self.expected_json["foo"]}
 
1583
        self.assertDictEqual(expected_json, json_data)
 
1584
 
 
1585
    def test_PrintTable_normal(self):
 
1586
        with self.capture_stdout_to_buffer() as buffer:
 
1587
            command.PrintTable().run(self.clients)
 
1588
        expected_output = "\n".join((
 
1589
            "Name   Enabled Timeout  Last Successful Check",
 
1590
            "foo    Yes     00:05:00 2019-02-03T00:00:00  ",
 
1591
            "barbar Yes     00:05:00 2019-02-04T00:00:00  ",
 
1592
        )) + "\n"
 
1593
        self.assertEqual(expected_output, buffer.getvalue())
 
1594
 
 
1595
    def test_PrintTable_verbose(self):
 
1596
        with self.capture_stdout_to_buffer() as buffer:
 
1597
            command.PrintTable(verbose=True).run(self.clients)
 
1598
        columns = (
 
1599
            (
 
1600
                "Name   ",
 
1601
                "foo    ",
 
1602
                "barbar ",
 
1603
            ),(
 
1604
                "Enabled ",
 
1605
                "Yes     ",
 
1606
                "Yes     ",
 
1607
            ),(
 
1608
                "Timeout  ",
 
1609
                "00:05:00 ",
 
1610
                "00:05:00 ",
 
1611
            ),(
 
1612
                "Last Successful Check ",
 
1613
                "2019-02-03T00:00:00   ",
 
1614
                "2019-02-04T00:00:00   ",
 
1615
            ),(
 
1616
                "Created             ",
 
1617
                "2019-01-02T00:00:00 ",
 
1618
                "2019-01-03T00:00:00 ",
 
1619
            ),(
 
1620
                "Interval ",
 
1621
                "00:02:00 ",
 
1622
                "00:02:00 ",
 
1623
            ),(
 
1624
                "Host            ",
 
1625
                "foo.example.org ",
 
1626
                "192.0.2.3       ",
 
1627
            ),(
 
1628
                ("Key ID                                             "
 
1629
                 "              "),
 
1630
                ("92ed150794387c03ce684574b1139a6594a34f895daaaf09fd8"
 
1631
                 "ea90a27cddb12 "),
 
1632
                ("0558568eedd67d622f5c83b35a115f796ab612cff5ad227247e"
 
1633
                 "46c2b020f441c "),
 
1634
            ),(
 
1635
                "Fingerprint                              ",
 
1636
                "778827225BA7DE539C5A7CFA59CFF7CDBD9A5920 ",
 
1637
                "3E393AEAEFB84C7E89E2F547B3A107558FCA3A27 ",
 
1638
            ),(
 
1639
                "Check Is Running ",
 
1640
                "No               ",
 
1641
                "Yes              ",
 
1642
            ),(
 
1643
                "Last Enabled        ",
 
1644
                "2019-01-03T00:00:00 ",
 
1645
                "2019-01-04T00:00:00 ",
 
1646
            ),(
 
1647
                "Approval Is Pending ",
 
1648
                "No                  ",
 
1649
                "No                  ",
 
1650
            ),(
 
1651
                "Approved By Default ",
 
1652
                "Yes                 ",
 
1653
                "No                  ",
 
1654
            ),(
 
1655
                "Last Approval Request ",
 
1656
                "                      ",
 
1657
                "2019-01-03T00:00:00   ",
 
1658
            ),(
 
1659
                "Approval Delay ",
 
1660
                "00:00:00       ",
 
1661
                "00:00:30       ",
 
1662
            ),(
 
1663
                "Approval Duration ",
 
1664
                "00:00:01          ",
 
1665
                "1T02:03:05        ",
 
1666
            ),(
 
1667
                "Checker              ",
 
1668
                "fping -q -- %(host)s ",
 
1669
                ":                    ",
 
1670
            ),(
 
1671
                "Extended Timeout ",
 
1672
                "00:15:00         ",
 
1673
                "00:15:00         ",
 
1674
            ),(
 
1675
                "Expires             ",
 
1676
                "2019-02-04T00:00:00 ",
 
1677
                "2019-02-05T00:00:00 ",
 
1678
            ),(
 
1679
                "Last Checker Status",
 
1680
                "0                  ",
 
1681
                "-2                 ",
 
1682
            )
 
1683
        )
 
1684
        num_lines = max(len(rows) for rows in columns)
 
1685
        expected_output = ("\n".join("".join(rows[line]
 
1686
                                             for rows in columns)
 
1687
                                     for line in range(num_lines))
 
1688
                           + "\n")
 
1689
        self.assertEqual(expected_output, buffer.getvalue())
 
1690
 
 
1691
    def test_PrintTable_one_client(self):
 
1692
        with self.capture_stdout_to_buffer() as buffer:
 
1693
            command.PrintTable().run(self.one_client)
 
1694
        expected_output = "\n".join((
 
1695
            "Name Enabled Timeout  Last Successful Check",
 
1696
            "foo  Yes     00:05:00 2019-02-03T00:00:00  ",
 
1697
        )) + "\n"
 
1698
        self.assertEqual(expected_output, buffer.getvalue())
 
1699
 
 
1700
 
 
1701
class TestPropertySetterCmd(TestCommand):
 
1702
    """Abstract class for tests of command.PropertySetter classes"""
 
1703
    def runTest(self):
 
1704
        if not hasattr(self, "command"):
 
1705
            return
 
1706
        values_to_get = getattr(self, "values_to_get",
 
1707
                                self.values_to_set)
 
1708
        for value_to_set, value_to_get in zip(self.values_to_set,
 
1709
                                              values_to_get):
 
1710
            for clientpath in self.clients:
 
1711
                client = self.bus.get_object(dbus_busname, clientpath)
 
1712
                old_value = client.attributes[self.propname]
 
1713
                client.attributes[self.propname] = self.Unique()
 
1714
            self.run_command(value_to_set, self.clients)
 
1715
            for clientpath in self.clients:
 
1716
                client = self.bus.get_object(dbus_busname, clientpath)
 
1717
                value = client.attributes[self.propname]
 
1718
                self.assertNotIsInstance(value, self.Unique)
 
1719
                self.assertEqual(value_to_get, value)
 
1720
 
 
1721
    class Unique(object):
 
1722
        """Class for objects which exist only to be unique objects,
 
1723
since unittest.mock.sentinel only exists in Python 3.3"""
 
1724
 
 
1725
    def run_command(self, value, clients):
 
1726
        self.command().run(clients, self.bus)
 
1727
 
 
1728
 
 
1729
class TestEnableCmd(TestPropertySetterCmd):
 
1730
    command = command.Enable
 
1731
    propname = "Enabled"
 
1732
    values_to_set = [dbus.Boolean(True)]
 
1733
 
 
1734
 
 
1735
class TestDisableCmd(TestPropertySetterCmd):
 
1736
    command = command.Disable
 
1737
    propname = "Enabled"
 
1738
    values_to_set = [dbus.Boolean(False)]
 
1739
 
 
1740
 
 
1741
class TestBumpTimeoutCmd(TestPropertySetterCmd):
 
1742
    command = command.BumpTimeout
 
1743
    propname = "LastCheckedOK"
 
1744
    values_to_set = [""]
 
1745
 
 
1746
 
 
1747
class TestStartCheckerCmd(TestPropertySetterCmd):
 
1748
    command = command.StartChecker
 
1749
    propname = "CheckerRunning"
 
1750
    values_to_set = [dbus.Boolean(True)]
 
1751
 
 
1752
 
 
1753
class TestStopCheckerCmd(TestPropertySetterCmd):
 
1754
    command = command.StopChecker
 
1755
    propname = "CheckerRunning"
 
1756
    values_to_set = [dbus.Boolean(False)]
 
1757
 
 
1758
 
 
1759
class TestApproveByDefaultCmd(TestPropertySetterCmd):
 
1760
    command = command.ApproveByDefault
 
1761
    propname = "ApprovedByDefault"
 
1762
    values_to_set = [dbus.Boolean(True)]
 
1763
 
 
1764
 
 
1765
class TestDenyByDefaultCmd(TestPropertySetterCmd):
 
1766
    command = command.DenyByDefault
 
1767
    propname = "ApprovedByDefault"
 
1768
    values_to_set = [dbus.Boolean(False)]
 
1769
 
 
1770
 
 
1771
class TestPropertySetterValueCmd(TestPropertySetterCmd):
 
1772
    """Abstract class for tests of PropertySetterValueCmd classes"""
 
1773
 
 
1774
    def runTest(self):
 
1775
        if type(self) is TestPropertySetterValueCmd:
 
1776
            return
 
1777
        return super(TestPropertySetterValueCmd, self).runTest()
 
1778
 
 
1779
    def run_command(self, value, clients):
 
1780
        self.command(value).run(clients, self.bus)
 
1781
 
 
1782
 
 
1783
class TestSetCheckerCmd(TestPropertySetterValueCmd):
 
1784
    command = command.SetChecker
 
1785
    propname = "Checker"
 
1786
    values_to_set = ["", ":", "fping -q -- %s"]
 
1787
 
 
1788
 
 
1789
class TestSetHostCmd(TestPropertySetterValueCmd):
 
1790
    command = command.SetHost
 
1791
    propname = "Host"
 
1792
    values_to_set = ["192.0.2.3", "client.example.org"]
 
1793
 
 
1794
 
 
1795
class TestSetSecretCmd(TestPropertySetterValueCmd):
 
1796
    command = command.SetSecret
 
1797
    propname = "Secret"
 
1798
    values_to_set = [io.BytesIO(b""),
 
1799
                     io.BytesIO(b"secret\0xyzzy\nbar")]
 
1800
    values_to_get = [f.getvalue() for f in values_to_set]
 
1801
 
 
1802
 
 
1803
class TestSetTimeoutCmd(TestPropertySetterValueCmd):
 
1804
    command = command.SetTimeout
 
1805
    propname = "Timeout"
 
1806
    values_to_set = [datetime.timedelta(),
 
1807
                     datetime.timedelta(minutes=5),
 
1808
                     datetime.timedelta(seconds=1),
 
1809
                     datetime.timedelta(weeks=1),
 
1810
                     datetime.timedelta(weeks=52)]
 
1811
    values_to_get = [dt.total_seconds()*1000 for dt in values_to_set]
 
1812
 
 
1813
 
 
1814
class TestSetExtendedTimeoutCmd(TestPropertySetterValueCmd):
 
1815
    command = command.SetExtendedTimeout
 
1816
    propname = "ExtendedTimeout"
 
1817
    values_to_set = [datetime.timedelta(),
 
1818
                     datetime.timedelta(minutes=5),
 
1819
                     datetime.timedelta(seconds=1),
 
1820
                     datetime.timedelta(weeks=1),
 
1821
                     datetime.timedelta(weeks=52)]
 
1822
    values_to_get = [dt.total_seconds()*1000 for dt in values_to_set]
 
1823
 
 
1824
 
 
1825
class TestSetIntervalCmd(TestPropertySetterValueCmd):
 
1826
    command = command.SetInterval
 
1827
    propname = "Interval"
 
1828
    values_to_set = [datetime.timedelta(),
 
1829
                     datetime.timedelta(minutes=5),
 
1830
                     datetime.timedelta(seconds=1),
 
1831
                     datetime.timedelta(weeks=1),
 
1832
                     datetime.timedelta(weeks=52)]
 
1833
    values_to_get = [dt.total_seconds()*1000 for dt in values_to_set]
 
1834
 
 
1835
 
 
1836
class TestSetApprovalDelayCmd(TestPropertySetterValueCmd):
 
1837
    command = command.SetApprovalDelay
 
1838
    propname = "ApprovalDelay"
 
1839
    values_to_set = [datetime.timedelta(),
 
1840
                     datetime.timedelta(minutes=5),
 
1841
                     datetime.timedelta(seconds=1),
 
1842
                     datetime.timedelta(weeks=1),
 
1843
                     datetime.timedelta(weeks=52)]
 
1844
    values_to_get = [dt.total_seconds()*1000 for dt in values_to_set]
 
1845
 
 
1846
 
 
1847
class TestSetApprovalDurationCmd(TestPropertySetterValueCmd):
 
1848
    command = command.SetApprovalDuration
 
1849
    propname = "ApprovalDuration"
 
1850
    values_to_set = [datetime.timedelta(),
 
1851
                     datetime.timedelta(minutes=5),
 
1852
                     datetime.timedelta(seconds=1),
 
1853
                     datetime.timedelta(weeks=1),
 
1854
                     datetime.timedelta(weeks=52)]
 
1855
    values_to_get = [dt.total_seconds()*1000 for dt in values_to_set]
 
1856
 
 
1857
 
 
1858
 
 
1859
def should_only_run_tests():
 
1860
    parser = argparse.ArgumentParser(add_help=False)
 
1861
    parser.add_argument("--check", action='store_true')
 
1862
    args, unknown_args = parser.parse_known_args()
 
1863
    run_tests = args.check
 
1864
    if run_tests:
 
1865
        # Remove --check argument from sys.argv
 
1866
        sys.argv[1:] = unknown_args
 
1867
    return run_tests
 
1868
 
 
1869
# Add all tests from doctest strings
 
1870
def load_tests(loader, tests, none):
 
1871
    import doctest
 
1872
    tests.addTests(doctest.DocTestSuite())
 
1873
    return tests
458
1874
 
459
1875
if __name__ == "__main__":
460
 
    main()
 
1876
    try:
 
1877
        if should_only_run_tests():
 
1878
            # Call using ./tdd-python-script --check [--verbose]
 
1879
            unittest.main()
 
1880
        else:
 
1881
            main()
 
1882
    finally:
 
1883
        logging.shutdown()