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  • Committer: Teddy Hogeborn
  • Date: 2019-03-17 18:44:44 UTC
  • Revision ID: teddy@recompile.se-20190317184444-5o7vougp7c3p87ri
mandos-ctl: Refactor tests

* mandos-ctl (TestBaseCommands.test_DumpJSON_normal): Don't run the
  .output method on command; instead, use capture_stdout_to_buffer().
  (TestBaseCommands.test_DumpJSON_one_client): - '' -
  (TestBaseCommands.test_PrintTable_normal): - '' -
  (TestBaseCommands.test_PrintTable_verbose): - '' -
  (TestBaseCommands.test_PrintTable_one_client): - '' -
  (TestBaseCommands.capture_stdout_to_buffer): New.

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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 © 2008-2014 Teddy Hogeborn
7
 
# Copyright © 2008-2014 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
 
42
65
locale.setlocale(locale.LC_ALL, "")
43
66
 
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 = "1.6.5"
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
 
                    ))
 
67
dbus_busname_domain = "se.recompile"
 
68
dbus_busname = dbus_busname_domain + ".Mandos"
 
69
server_dbus_path = "/"
 
70
server_dbus_interface = dbus_busname_domain + ".Mandos"
 
71
client_dbus_interface = dbus_busname_domain + ".Mandos.Client"
 
72
del dbus_busname_domain
 
73
version = "1.8.3"
 
74
 
 
75
 
 
76
try:
 
77
    dbus.OBJECT_MANAGER_IFACE
 
78
except AttributeError:
 
79
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
80
 
 
81
 
 
82
def main():
 
83
    parser = argparse.ArgumentParser()
 
84
 
 
85
    add_command_line_options(parser)
 
86
 
 
87
    options = parser.parse_args()
 
88
 
 
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(os.EX_OK 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
        return self
 
464
 
 
465
    class NullFilter(logging.Filter):
 
466
        def filter(self, record):
 
467
            return False
 
468
 
 
469
    nullfilter = NullFilter()
 
470
 
 
471
    def __exit__(self, exc_type, exc_val, exc_tb):
 
472
        self.logger.removeFilter(self.nullfilter)
 
473
 
 
474
 
 
475
def commands_from_options(options):
 
476
 
 
477
    commands = []
 
478
 
 
479
    if options.is_enabled:
 
480
        commands.append(command.IsEnabled())
 
481
 
 
482
    if options.approve:
 
483
        commands.append(command.Approve())
 
484
 
 
485
    if options.deny:
 
486
        commands.append(command.Deny())
 
487
 
 
488
    if options.remove:
 
489
        commands.append(command.Remove())
 
490
 
 
491
    if options.dump_json:
 
492
        commands.append(command.DumpJSON())
 
493
 
 
494
    if options.enable:
 
495
        commands.append(command.Enable())
 
496
 
 
497
    if options.disable:
 
498
        commands.append(command.Disable())
 
499
 
 
500
    if options.bump_timeout:
 
501
        commands.append(command.BumpTimeout())
 
502
 
 
503
    if options.start_checker:
 
504
        commands.append(command.StartChecker())
 
505
 
 
506
    if options.stop_checker:
 
507
        commands.append(command.StopChecker())
 
508
 
 
509
    if options.approved_by_default is not None:
 
510
        if options.approved_by_default:
 
511
            commands.append(command.ApproveByDefault())
 
512
        else:
 
513
            commands.append(command.DenyByDefault())
 
514
 
 
515
    if options.checker is not None:
 
516
        commands.append(command.SetChecker(options.checker))
 
517
 
 
518
    if options.host is not None:
 
519
        commands.append(command.SetHost(options.host))
 
520
 
 
521
    if options.secret is not None:
 
522
        commands.append(command.SetSecret(options.secret))
 
523
 
 
524
    if options.timeout is not None:
 
525
        commands.append(command.SetTimeout(options.timeout))
 
526
 
 
527
    if options.extended_timeout:
 
528
        commands.append(
 
529
            command.SetExtendedTimeout(options.extended_timeout))
 
530
 
 
531
    if options.interval is not None:
 
532
        commands.append(command.SetInterval(options.interval))
 
533
 
 
534
    if options.approval_delay is not None:
 
535
        commands.append(
 
536
            command.SetApprovalDelay(options.approval_delay))
 
537
 
 
538
    if options.approval_duration is not None:
 
539
        commands.append(
 
540
            command.SetApprovalDuration(options.approval_duration))
 
541
 
 
542
    # If no command option has been given, show table of clients,
 
543
    # optionally verbosely
 
544
    if not commands:
 
545
        commands.append(command.PrintTable(verbose=options.verbose))
 
546
 
 
547
    return commands
 
548
 
 
549
 
 
550
class command(object):
 
551
    """A namespace for command classes"""
 
552
 
 
553
    class Base(object):
 
554
        """Abstract base class for commands"""
 
555
        def run(self, clients, bus=None, mandos=None):
 
556
            """Normal commands should implement run_on_one_client(),
 
557
but commands which want to operate on all clients at the same time can
 
558
override this run() method instead.
 
559
"""
 
560
            self.mandos = mandos
 
561
            for clientpath, properties in clients.items():
 
562
                log.debug("D-Bus: Connect to: (busname=%r, path=%r)",
 
563
                          dbus_busname, str(clientpath))
 
564
                client = bus.get_object(dbus_busname, clientpath)
 
565
                self.run_on_one_client(client, properties)
 
566
 
 
567
 
 
568
    class IsEnabled(Base):
 
569
        def run(self, clients, bus=None, mandos=None):
 
570
            client, properties = next(iter(clients.items()))
 
571
            if self.is_enabled(client, properties):
 
572
                sys.exit(0)
 
573
            sys.exit(1)
 
574
        def is_enabled(self, client, properties):
 
575
            return properties["Enabled"]
 
576
 
 
577
 
 
578
    class Approve(Base):
 
579
        def run_on_one_client(self, client, properties):
 
580
            log.debug("D-Bus: %s:%s:%s.Approve(True)", dbus_busname,
 
581
                      client.__dbus_object_path__,
 
582
                      client_dbus_interface)
 
583
            client.Approve(dbus.Boolean(True),
 
584
                           dbus_interface=client_dbus_interface)
 
585
 
 
586
 
 
587
    class Deny(Base):
 
588
        def run_on_one_client(self, client, properties):
 
589
            log.debug("D-Bus: %s:%s:%s.Approve(False)", dbus_busname,
 
590
                      client.__dbus_object_path__,
 
591
                      client_dbus_interface)
 
592
            client.Approve(dbus.Boolean(False),
 
593
                           dbus_interface=client_dbus_interface)
 
594
 
 
595
 
 
596
    class Remove(Base):
 
597
        def run_on_one_client(self, client, properties):
 
598
            log.debug("D-Bus: %s:%s:%s.RemoveClient(%r)",
 
599
                      dbus_busname, server_dbus_path,
 
600
                      server_dbus_interface,
 
601
                      str(client.__dbus_object_path__))
 
602
            self.mandos.RemoveClient(client.__dbus_object_path__)
 
603
 
 
604
 
 
605
    class Output(Base):
 
606
        """Abstract class for commands outputting client details"""
 
607
        all_keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
608
                        "Created", "Interval", "Host", "KeyID",
 
609
                        "Fingerprint", "CheckerRunning",
388
610
                        "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)
 
611
                        "ApprovedByDefault", "LastApprovalRequest",
 
612
                        "ApprovalDelay", "ApprovalDuration",
 
613
                        "Checker", "ExtendedTimeout", "Expires",
 
614
                        "LastCheckerStatus")
 
615
 
 
616
        def run(self, clients, bus=None, mandos=None):
 
617
            print(self.output(clients.values()))
 
618
 
 
619
        def output(self, clients):
 
620
            raise NotImplementedError()
 
621
 
 
622
 
 
623
    class DumpJSON(Output):
 
624
        def output(self, clients):
 
625
            data = {client["Name"]:
 
626
                    {key: self.dbus_boolean_to_bool(client[key])
 
627
                     for key in self.all_keywords}
 
628
                    for client in clients}
 
629
            return json.dumps(data, indent=4, separators=(',', ': '))
 
630
 
 
631
        @staticmethod
 
632
        def dbus_boolean_to_bool(value):
 
633
            if isinstance(value, dbus.Boolean):
 
634
                value = bool(value)
 
635
            return value
 
636
 
 
637
 
 
638
    class PrintTable(Output):
 
639
        def __init__(self, verbose=False):
 
640
            self.verbose = verbose
 
641
 
 
642
        def output(self, clients):
 
643
            default_keywords = ("Name", "Enabled", "Timeout",
 
644
                                "LastCheckedOK")
 
645
            keywords = default_keywords
 
646
            if self.verbose:
 
647
                keywords = self.all_keywords
 
648
            return str(self.TableOfClients(clients, keywords))
 
649
 
 
650
        class TableOfClients(object):
 
651
            tableheaders = {
 
652
                "Name": "Name",
 
653
                "Enabled": "Enabled",
 
654
                "Timeout": "Timeout",
 
655
                "LastCheckedOK": "Last Successful Check",
 
656
                "LastApprovalRequest": "Last Approval Request",
 
657
                "Created": "Created",
 
658
                "Interval": "Interval",
 
659
                "Host": "Host",
 
660
                "Fingerprint": "Fingerprint",
 
661
                "KeyID": "Key ID",
 
662
                "CheckerRunning": "Check Is Running",
 
663
                "LastEnabled": "Last Enabled",
 
664
                "ApprovalPending": "Approval Is Pending",
 
665
                "ApprovedByDefault": "Approved By Default",
 
666
                "ApprovalDelay": "Approval Delay",
 
667
                "ApprovalDuration": "Approval Duration",
 
668
                "Checker": "Checker",
 
669
                "ExtendedTimeout": "Extended Timeout",
 
670
                "Expires": "Expires",
 
671
                "LastCheckerStatus": "Last Checker Status",
 
672
            }
 
673
 
 
674
            def __init__(self, clients, keywords):
 
675
                self.clients = clients
 
676
                self.keywords = keywords
 
677
 
 
678
            def __str__(self):
 
679
                return "\n".join(self.rows())
 
680
 
 
681
            if sys.version_info.major == 2:
 
682
                __unicode__ = __str__
 
683
                def __str__(self):
 
684
                    return str(self).encode(
 
685
                        locale.getpreferredencoding())
 
686
 
 
687
            def rows(self):
 
688
                format_string = self.row_formatting_string()
 
689
                rows = [self.header_line(format_string)]
 
690
                rows.extend(self.client_line(client, format_string)
 
691
                            for client in self.clients)
 
692
                return rows
 
693
 
 
694
            def row_formatting_string(self):
 
695
                "Format string used to format table rows"
 
696
                return " ".join("{{{key}:{width}}}".format(
 
697
                    width=max(len(self.tableheaders[key]),
 
698
                              *(len(self.string_from_client(client,
 
699
                                                            key))
 
700
                                for client in self.clients)),
 
701
                    key=key)
 
702
                                for key in self.keywords)
 
703
 
 
704
            def string_from_client(self, client, key):
 
705
                return self.valuetostring(client[key], key)
 
706
 
 
707
            @classmethod
 
708
            def valuetostring(cls, value, keyword):
 
709
                if isinstance(value, dbus.Boolean):
 
710
                    return "Yes" if value else "No"
 
711
                if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
712
                               "ApprovalDuration", "ExtendedTimeout"):
 
713
                    return cls.milliseconds_to_string(value)
 
714
                return str(value)
 
715
 
 
716
            def header_line(self, format_string):
 
717
                return format_string.format(**self.tableheaders)
 
718
 
 
719
            def client_line(self, client, format_string):
 
720
                return format_string.format(
 
721
                    **{key: self.string_from_client(client, key)
 
722
                       for key in self.keywords})
 
723
 
 
724
            @staticmethod
 
725
            def milliseconds_to_string(ms):
 
726
                td = datetime.timedelta(0, 0, 0, ms)
 
727
                return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
728
                        .format(days="{}T".format(td.days)
 
729
                                if td.days else "",
 
730
                                hours=td.seconds // 3600,
 
731
                                minutes=(td.seconds % 3600) // 60,
 
732
                                seconds=td.seconds % 60))
 
733
 
 
734
 
 
735
    class Property(Base):
 
736
        "Abstract class for Actions for setting one client property"
 
737
 
 
738
        def run_on_one_client(self, client, properties):
 
739
            """Set the Client's D-Bus property"""
 
740
            log.debug("D-Bus: %s:%s:%s.Set(%r, %r, %r)", dbus_busname,
 
741
                      client.__dbus_object_path__,
 
742
                      dbus.PROPERTIES_IFACE, client_dbus_interface,
 
743
                      self.propname, self.value_to_set
 
744
                      if not isinstance(self.value_to_set,
 
745
                                        dbus.Boolean)
 
746
                      else bool(self.value_to_set))
 
747
            client.Set(client_dbus_interface, self.propname,
 
748
                       self.value_to_set,
 
749
                       dbus_interface=dbus.PROPERTIES_IFACE)
 
750
 
 
751
        @property
 
752
        def propname(self):
 
753
            raise NotImplementedError()
 
754
 
 
755
 
 
756
    class Enable(Property):
 
757
        propname = "Enabled"
 
758
        value_to_set = dbus.Boolean(True)
 
759
 
 
760
 
 
761
    class Disable(Property):
 
762
        propname = "Enabled"
 
763
        value_to_set = dbus.Boolean(False)
 
764
 
 
765
 
 
766
    class BumpTimeout(Property):
 
767
        propname = "LastCheckedOK"
 
768
        value_to_set = ""
 
769
 
 
770
 
 
771
    class StartChecker(Property):
 
772
        propname = "CheckerRunning"
 
773
        value_to_set = dbus.Boolean(True)
 
774
 
 
775
 
 
776
    class StopChecker(Property):
 
777
        propname = "CheckerRunning"
 
778
        value_to_set = dbus.Boolean(False)
 
779
 
 
780
 
 
781
    class ApproveByDefault(Property):
 
782
        propname = "ApprovedByDefault"
 
783
        value_to_set = dbus.Boolean(True)
 
784
 
 
785
 
 
786
    class DenyByDefault(Property):
 
787
        propname = "ApprovedByDefault"
 
788
        value_to_set = dbus.Boolean(False)
 
789
 
 
790
 
 
791
    class PropertyValue(Property):
 
792
        "Abstract class for Property recieving a value as argument"
 
793
        def __init__(self, value):
 
794
            self.value_to_set = value
 
795
 
 
796
 
 
797
    class SetChecker(PropertyValue):
 
798
        propname = "Checker"
 
799
 
 
800
 
 
801
    class SetHost(PropertyValue):
 
802
        propname = "Host"
 
803
 
 
804
 
 
805
    class SetSecret(PropertyValue):
 
806
        propname = "Secret"
 
807
 
 
808
        @property
 
809
        def value_to_set(self):
 
810
            return self._vts
 
811
 
 
812
        @value_to_set.setter
 
813
        def value_to_set(self, value):
 
814
            """When setting, read data from supplied file object"""
 
815
            self._vts = value.read()
 
816
            value.close()
 
817
 
 
818
 
 
819
    class MillisecondsPropertyValueArgument(PropertyValue):
 
820
        """Abstract class for PropertyValue taking a value argument as
 
821
a datetime.timedelta() but should store it as milliseconds."""
 
822
 
 
823
        @property
 
824
        def value_to_set(self):
 
825
            return self._vts
 
826
 
 
827
        @value_to_set.setter
 
828
        def value_to_set(self, value):
 
829
            "When setting, convert value from a datetime.timedelta"
 
830
            self._vts = int(round(value.total_seconds() * 1000))
 
831
 
 
832
 
 
833
    class SetTimeout(MillisecondsPropertyValueArgument):
 
834
        propname = "Timeout"
 
835
 
 
836
 
 
837
    class SetExtendedTimeout(MillisecondsPropertyValueArgument):
 
838
        propname = "ExtendedTimeout"
 
839
 
 
840
 
 
841
    class SetInterval(MillisecondsPropertyValueArgument):
 
842
        propname = "Interval"
 
843
 
 
844
 
 
845
    class SetApprovalDelay(MillisecondsPropertyValueArgument):
 
846
        propname = "ApprovalDelay"
 
847
 
 
848
 
 
849
    class SetApprovalDuration(MillisecondsPropertyValueArgument):
 
850
        propname = "ApprovalDuration"
 
851
 
 
852
 
 
853
 
 
854
class TestCaseWithAssertLogs(unittest.TestCase):
 
855
    """unittest.TestCase.assertLogs only exists in Python 3.4"""
 
856
 
 
857
    if not hasattr(unittest.TestCase, "assertLogs"):
 
858
        @contextlib.contextmanager
 
859
        def assertLogs(self, logger, level=logging.INFO):
 
860
            capturing_handler = self.CapturingLevelHandler(level)
 
861
            old_level = logger.level
 
862
            old_propagate = logger.propagate
 
863
            logger.addHandler(capturing_handler)
 
864
            logger.setLevel(level)
 
865
            logger.propagate = False
 
866
            try:
 
867
                yield capturing_handler.watcher
 
868
            finally:
 
869
                logger.propagate = old_propagate
 
870
                logger.removeHandler(capturing_handler)
 
871
                logger.setLevel(old_level)
 
872
            self.assertGreater(len(capturing_handler.watcher.records),
 
873
                               0)
 
874
 
 
875
        class CapturingLevelHandler(logging.Handler):
 
876
            def __init__(self, level, *args, **kwargs):
 
877
                logging.Handler.__init__(self, *args, **kwargs)
 
878
                self.watcher = self.LoggingWatcher([], [])
 
879
            def emit(self, record):
 
880
                self.watcher.records.append(record)
 
881
                self.watcher.output.append(self.format(record))
 
882
 
 
883
            LoggingWatcher = collections.namedtuple("LoggingWatcher",
 
884
                                                    ("records",
 
885
                                                     "output"))
 
886
 
 
887
 
 
888
class Test_string_to_delta(TestCaseWithAssertLogs):
 
889
    # Just test basic RFC 3339 functionality here, the doc string for
 
890
    # rfc3339_duration_to_delta() already has more comprehensive
 
891
    # tests, which is run by doctest.
 
892
 
 
893
    def test_rfc3339_zero_seconds(self):
 
894
        self.assertEqual(datetime.timedelta(),
 
895
                         string_to_delta("PT0S"))
 
896
 
 
897
    def test_rfc3339_zero_days(self):
 
898
        self.assertEqual(datetime.timedelta(), string_to_delta("P0D"))
 
899
 
 
900
    def test_rfc3339_one_second(self):
 
901
        self.assertEqual(datetime.timedelta(0, 1),
 
902
                         string_to_delta("PT1S"))
 
903
 
 
904
    def test_rfc3339_two_hours(self):
 
905
        self.assertEqual(datetime.timedelta(0, 7200),
 
906
                         string_to_delta("PT2H"))
 
907
 
 
908
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
909
        with self.assertLogs(log, logging.WARNING):
 
910
            value = string_to_delta("2h")
 
911
        self.assertEqual(datetime.timedelta(0, 7200), value)
 
912
 
 
913
 
 
914
class Test_check_option_syntax(unittest.TestCase):
 
915
    def setUp(self):
 
916
        self.parser = argparse.ArgumentParser()
 
917
        add_command_line_options(self.parser)
 
918
 
 
919
    def test_actions_requires_client_or_all(self):
 
920
        for action, value in self.actions.items():
 
921
            options = self.parser.parse_args()
 
922
            setattr(options, action, value)
 
923
            with self.assertParseError():
 
924
                self.check_option_syntax(options)
 
925
 
 
926
    # This mostly corresponds to the definition from has_actions() in
 
927
    # check_option_syntax()
 
928
    actions = {
 
929
        # The actual values set here are not that important, but we do
 
930
        # at least stick to the correct types, even though they are
 
931
        # never used
 
932
        "enable": True,
 
933
        "disable": True,
 
934
        "bump_timeout": True,
 
935
        "start_checker": True,
 
936
        "stop_checker": True,
 
937
        "is_enabled": True,
 
938
        "remove": True,
 
939
        "checker": "x",
 
940
        "timeout": datetime.timedelta(),
 
941
        "extended_timeout": datetime.timedelta(),
 
942
        "interval": datetime.timedelta(),
 
943
        "approved_by_default": True,
 
944
        "approval_delay": datetime.timedelta(),
 
945
        "approval_duration": datetime.timedelta(),
 
946
        "host": "x",
 
947
        "secret": io.BytesIO(b"x"),
 
948
        "approve": True,
 
949
        "deny": True,
 
950
    }
 
951
 
 
952
    @contextlib.contextmanager
 
953
    def assertParseError(self):
 
954
        with self.assertRaises(SystemExit) as e:
 
955
            with self.redirect_stderr_to_devnull():
 
956
                yield
 
957
        # Exit code from argparse is guaranteed to be "2".  Reference:
 
958
        # https://docs.python.org/3/library
 
959
        # /argparse.html#exiting-methods
 
960
        self.assertEqual(2, e.exception.code)
 
961
 
 
962
    @staticmethod
 
963
    @contextlib.contextmanager
 
964
    def redirect_stderr_to_devnull():
 
965
        old_stderr = sys.stderr
 
966
        with contextlib.closing(open(os.devnull, "w")) as null:
 
967
            sys.stderr = null
 
968
            try:
 
969
                yield
 
970
            finally:
 
971
                sys.stderr = old_stderr
 
972
 
 
973
    def check_option_syntax(self, options):
 
974
        check_option_syntax(self.parser, options)
 
975
 
 
976
    def test_actions_all_conflicts_with_verbose(self):
 
977
        for action, value in self.actions.items():
 
978
            options = self.parser.parse_args()
 
979
            setattr(options, action, value)
 
980
            options.all = True
 
981
            options.verbose = True
 
982
            with self.assertParseError():
 
983
                self.check_option_syntax(options)
 
984
 
 
985
    def test_actions_with_client_conflicts_with_verbose(self):
 
986
        for action, value in self.actions.items():
 
987
            options = self.parser.parse_args()
 
988
            setattr(options, action, value)
 
989
            options.verbose = True
 
990
            options.client = ["foo"]
 
991
            with self.assertParseError():
 
992
                self.check_option_syntax(options)
 
993
 
 
994
    def test_dump_json_conflicts_with_verbose(self):
 
995
        options = self.parser.parse_args()
 
996
        options.dump_json = True
 
997
        options.verbose = True
 
998
        with self.assertParseError():
 
999
            self.check_option_syntax(options)
 
1000
 
 
1001
    def test_dump_json_conflicts_with_action(self):
 
1002
        for action, value in self.actions.items():
 
1003
            options = self.parser.parse_args()
 
1004
            setattr(options, action, value)
 
1005
            options.dump_json = True
 
1006
            with self.assertParseError():
 
1007
                self.check_option_syntax(options)
 
1008
 
 
1009
    def test_all_can_not_be_alone(self):
 
1010
        options = self.parser.parse_args()
 
1011
        options.all = True
 
1012
        with self.assertParseError():
 
1013
            self.check_option_syntax(options)
 
1014
 
 
1015
    def test_all_is_ok_with_any_action(self):
 
1016
        for action, value in self.actions.items():
 
1017
            options = self.parser.parse_args()
 
1018
            setattr(options, action, value)
 
1019
            options.all = True
 
1020
            self.check_option_syntax(options)
 
1021
 
 
1022
    def test_any_action_is_ok_with_one_client(self):
 
1023
        for action, value in self.actions.items():
 
1024
            options = self.parser.parse_args()
 
1025
            setattr(options, action, value)
 
1026
            options.client = ["foo"]
 
1027
            self.check_option_syntax(options)
 
1028
 
 
1029
    def test_one_client_with_all_actions_except_is_enabled(self):
 
1030
        options = self.parser.parse_args()
 
1031
        for action, value in self.actions.items():
 
1032
            if action == "is_enabled":
 
1033
                continue
 
1034
            setattr(options, action, value)
 
1035
        options.client = ["foo"]
 
1036
        self.check_option_syntax(options)
 
1037
 
 
1038
    def test_two_clients_with_all_actions_except_is_enabled(self):
 
1039
        options = self.parser.parse_args()
 
1040
        for action, value in self.actions.items():
 
1041
            if action == "is_enabled":
 
1042
                continue
 
1043
            setattr(options, action, value)
 
1044
        options.client = ["foo", "barbar"]
 
1045
        self.check_option_syntax(options)
 
1046
 
 
1047
    def test_two_clients_are_ok_with_actions_except_is_enabled(self):
 
1048
        for action, value in self.actions.items():
 
1049
            if action == "is_enabled":
 
1050
                continue
 
1051
            options = self.parser.parse_args()
 
1052
            setattr(options, action, value)
 
1053
            options.client = ["foo", "barbar"]
 
1054
            self.check_option_syntax(options)
 
1055
 
 
1056
    def test_is_enabled_fails_without_client(self):
 
1057
        options = self.parser.parse_args()
 
1058
        options.is_enabled = True
 
1059
        with self.assertParseError():
 
1060
            self.check_option_syntax(options)
 
1061
 
 
1062
    def test_is_enabled_fails_with_two_clients(self):
 
1063
        options = self.parser.parse_args()
 
1064
        options.is_enabled = True
 
1065
        options.client = ["foo", "barbar"]
 
1066
        with self.assertParseError():
 
1067
            self.check_option_syntax(options)
 
1068
 
 
1069
    def test_remove_can_only_be_combined_with_action_deny(self):
 
1070
        for action, value in self.actions.items():
 
1071
            if action in {"remove", "deny"}:
 
1072
                continue
 
1073
            options = self.parser.parse_args()
 
1074
            setattr(options, action, value)
 
1075
            options.all = True
 
1076
            options.remove = True
 
1077
            with self.assertParseError():
 
1078
                self.check_option_syntax(options)
 
1079
 
 
1080
 
 
1081
class Test_get_mandos_dbus_object(TestCaseWithAssertLogs):
 
1082
    def test_calls_and_returns_get_object_on_bus(self):
 
1083
        class MockBus(object):
 
1084
            called = False
 
1085
            def get_object(mockbus_self, busname, dbus_path):
 
1086
                # Note that "self" is still the testcase instance,
 
1087
                # this MockBus instance is in "mockbus_self".
 
1088
                self.assertEqual(dbus_busname, busname)
 
1089
                self.assertEqual(server_dbus_path, dbus_path)
 
1090
                mockbus_self.called = True
 
1091
                return mockbus_self
 
1092
 
 
1093
        mockbus = get_mandos_dbus_object(bus=MockBus())
 
1094
        self.assertIsInstance(mockbus, MockBus)
 
1095
        self.assertTrue(mockbus.called)
 
1096
 
 
1097
    def test_logs_and_exits_on_dbus_error(self):
 
1098
        class MockBusFailing(object):
 
1099
            def get_object(self, busname, dbus_path):
 
1100
                raise dbus.exceptions.DBusException("Test")
 
1101
 
 
1102
        with self.assertLogs(log, logging.CRITICAL):
 
1103
            with self.assertRaises(SystemExit) as e:
 
1104
                bus = get_mandos_dbus_object(bus=MockBusFailing())
 
1105
 
 
1106
        if isinstance(e.exception.code, int):
 
1107
            self.assertNotEqual(0, e.exception.code)
 
1108
        else:
 
1109
            self.assertIsNotNone(e.exception.code)
 
1110
 
 
1111
 
 
1112
class Test_get_managed_objects(TestCaseWithAssertLogs):
 
1113
    def test_calls_and_returns_GetManagedObjects(self):
 
1114
        managed_objects = {"/clients/foo": { "Name": "foo"}}
 
1115
        class MockObjectManager(object):
 
1116
            def GetManagedObjects(self):
 
1117
                return managed_objects
 
1118
        retval = get_managed_objects(MockObjectManager())
 
1119
        self.assertDictEqual(managed_objects, retval)
 
1120
 
 
1121
    def test_logs_and_exits_on_dbus_error(self):
 
1122
        dbus_logger = logging.getLogger("dbus.proxies")
 
1123
 
 
1124
        class MockObjectManagerFailing(object):
 
1125
            def GetManagedObjects(self):
 
1126
                dbus_logger.error("Test")
 
1127
                raise dbus.exceptions.DBusException("Test")
 
1128
 
 
1129
        class CountingHandler(logging.Handler):
 
1130
            count = 0
 
1131
            def emit(self, record):
 
1132
                self.count += 1
 
1133
 
 
1134
        counting_handler = CountingHandler()
 
1135
 
 
1136
        dbus_logger.addHandler(counting_handler)
 
1137
 
 
1138
        try:
 
1139
            with self.assertLogs(log, logging.CRITICAL) as watcher:
 
1140
                with self.assertRaises(SystemExit) as e:
 
1141
                    get_managed_objects(MockObjectManagerFailing())
 
1142
        finally:
 
1143
            dbus_logger.removeFilter(counting_handler)
 
1144
 
 
1145
        # Make sure the dbus logger was suppressed
 
1146
        self.assertEqual(0, counting_handler.count)
 
1147
 
 
1148
        # Test that the dbus_logger still works
 
1149
        with self.assertLogs(dbus_logger, logging.ERROR):
 
1150
            dbus_logger.error("Test")
 
1151
 
 
1152
        if isinstance(e.exception.code, int):
 
1153
            self.assertNotEqual(0, e.exception.code)
 
1154
        else:
 
1155
            self.assertIsNotNone(e.exception.code)
 
1156
 
 
1157
 
 
1158
class Test_commands_from_options(unittest.TestCase):
 
1159
    def setUp(self):
 
1160
        self.parser = argparse.ArgumentParser()
 
1161
        add_command_line_options(self.parser)
 
1162
 
 
1163
    def test_is_enabled(self):
 
1164
        self.assert_command_from_args(["--is-enabled", "foo"],
 
1165
                                      command.IsEnabled)
 
1166
 
 
1167
    def assert_command_from_args(self, args, command_cls,
 
1168
                                 **cmd_attrs):
 
1169
        """Assert that parsing ARGS should result in an instance of
 
1170
COMMAND_CLS with (optionally) all supplied attributes (CMD_ATTRS)."""
 
1171
        options = self.parser.parse_args(args)
 
1172
        check_option_syntax(self.parser, options)
 
1173
        commands = commands_from_options(options)
 
1174
        self.assertEqual(1, len(commands))
 
1175
        command = commands[0]
 
1176
        self.assertIsInstance(command, command_cls)
 
1177
        for key, value in cmd_attrs.items():
 
1178
            self.assertEqual(value, getattr(command, key))
 
1179
 
 
1180
    def test_is_enabled_short(self):
 
1181
        self.assert_command_from_args(["-V", "foo"],
 
1182
                                      command.IsEnabled)
 
1183
 
 
1184
    def test_approve(self):
 
1185
        self.assert_command_from_args(["--approve", "foo"],
 
1186
                                      command.Approve)
 
1187
 
 
1188
    def test_approve_short(self):
 
1189
        self.assert_command_from_args(["-A", "foo"], command.Approve)
 
1190
 
 
1191
    def test_deny(self):
 
1192
        self.assert_command_from_args(["--deny", "foo"], command.Deny)
 
1193
 
 
1194
    def test_deny_short(self):
 
1195
        self.assert_command_from_args(["-D", "foo"], command.Deny)
 
1196
 
 
1197
    def test_remove(self):
 
1198
        self.assert_command_from_args(["--remove", "foo"],
 
1199
                                      command.Remove)
 
1200
 
 
1201
    def test_deny_before_remove(self):
 
1202
        options = self.parser.parse_args(["--deny", "--remove",
 
1203
                                          "foo"])
 
1204
        check_option_syntax(self.parser, options)
 
1205
        commands = commands_from_options(options)
 
1206
        self.assertEqual(2, len(commands))
 
1207
        self.assertIsInstance(commands[0], command.Deny)
 
1208
        self.assertIsInstance(commands[1], command.Remove)
 
1209
 
 
1210
    def test_deny_before_remove_reversed(self):
 
1211
        options = self.parser.parse_args(["--remove", "--deny",
 
1212
                                          "--all"])
 
1213
        check_option_syntax(self.parser, options)
 
1214
        commands = commands_from_options(options)
 
1215
        self.assertEqual(2, len(commands))
 
1216
        self.assertIsInstance(commands[0], command.Deny)
 
1217
        self.assertIsInstance(commands[1], command.Remove)
 
1218
 
 
1219
    def test_remove_short(self):
 
1220
        self.assert_command_from_args(["-r", "foo"], command.Remove)
 
1221
 
 
1222
    def test_dump_json(self):
 
1223
        self.assert_command_from_args(["--dump-json"],
 
1224
                                      command.DumpJSON)
 
1225
 
 
1226
    def test_enable(self):
 
1227
        self.assert_command_from_args(["--enable", "foo"],
 
1228
                                      command.Enable)
 
1229
 
 
1230
    def test_enable_short(self):
 
1231
        self.assert_command_from_args(["-e", "foo"], command.Enable)
 
1232
 
 
1233
    def test_disable(self):
 
1234
        self.assert_command_from_args(["--disable", "foo"],
 
1235
                                      command.Disable)
 
1236
 
 
1237
    def test_disable_short(self):
 
1238
        self.assert_command_from_args(["-d", "foo"], command.Disable)
 
1239
 
 
1240
    def test_bump_timeout(self):
 
1241
        self.assert_command_from_args(["--bump-timeout", "foo"],
 
1242
                                      command.BumpTimeout)
 
1243
 
 
1244
    def test_bump_timeout_short(self):
 
1245
        self.assert_command_from_args(["-b", "foo"],
 
1246
                                      command.BumpTimeout)
 
1247
 
 
1248
    def test_start_checker(self):
 
1249
        self.assert_command_from_args(["--start-checker", "foo"],
 
1250
                                      command.StartChecker)
 
1251
 
 
1252
    def test_stop_checker(self):
 
1253
        self.assert_command_from_args(["--stop-checker", "foo"],
 
1254
                                      command.StopChecker)
 
1255
 
 
1256
    def test_approve_by_default(self):
 
1257
        self.assert_command_from_args(["--approve-by-default", "foo"],
 
1258
                                      command.ApproveByDefault)
 
1259
 
 
1260
    def test_deny_by_default(self):
 
1261
        self.assert_command_from_args(["--deny-by-default", "foo"],
 
1262
                                      command.DenyByDefault)
 
1263
 
 
1264
    def test_checker(self):
 
1265
        self.assert_command_from_args(["--checker", ":", "foo"],
 
1266
                                      command.SetChecker,
 
1267
                                      value_to_set=":")
 
1268
 
 
1269
    def test_checker_empty(self):
 
1270
        self.assert_command_from_args(["--checker", "", "foo"],
 
1271
                                      command.SetChecker,
 
1272
                                      value_to_set="")
 
1273
 
 
1274
    def test_checker_short(self):
 
1275
        self.assert_command_from_args(["-c", ":", "foo"],
 
1276
                                      command.SetChecker,
 
1277
                                      value_to_set=":")
 
1278
 
 
1279
    def test_host(self):
 
1280
        self.assert_command_from_args(["--host", "foo.example.org",
 
1281
                                       "foo"], command.SetHost,
 
1282
                                      value_to_set="foo.example.org")
 
1283
 
 
1284
    def test_host_short(self):
 
1285
        self.assert_command_from_args(["-H", "foo.example.org",
 
1286
                                       "foo"], command.SetHost,
 
1287
                                      value_to_set="foo.example.org")
 
1288
 
 
1289
    def test_secret_devnull(self):
 
1290
        self.assert_command_from_args(["--secret", os.path.devnull,
 
1291
                                       "foo"], command.SetSecret,
 
1292
                                      value_to_set=b"")
 
1293
 
 
1294
    def test_secret_tempfile(self):
 
1295
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1296
            value = b"secret\0xyzzy\nbar"
 
1297
            f.write(value)
 
1298
            f.seek(0)
 
1299
            self.assert_command_from_args(["--secret", f.name,
 
1300
                                           "foo"], command.SetSecret,
 
1301
                                          value_to_set=value)
 
1302
 
 
1303
    def test_secret_devnull_short(self):
 
1304
        self.assert_command_from_args(["-s", os.path.devnull, "foo"],
 
1305
                                      command.SetSecret,
 
1306
                                      value_to_set=b"")
 
1307
 
 
1308
    def test_secret_tempfile_short(self):
 
1309
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1310
            value = b"secret\0xyzzy\nbar"
 
1311
            f.write(value)
 
1312
            f.seek(0)
 
1313
            self.assert_command_from_args(["-s", f.name, "foo"],
 
1314
                                          command.SetSecret,
 
1315
                                          value_to_set=value)
 
1316
 
 
1317
    def test_timeout(self):
 
1318
        self.assert_command_from_args(["--timeout", "PT5M", "foo"],
 
1319
                                      command.SetTimeout,
 
1320
                                      value_to_set=300000)
 
1321
 
 
1322
    def test_timeout_short(self):
 
1323
        self.assert_command_from_args(["-t", "PT5M", "foo"],
 
1324
                                      command.SetTimeout,
 
1325
                                      value_to_set=300000)
 
1326
 
 
1327
    def test_extended_timeout(self):
 
1328
        self.assert_command_from_args(["--extended-timeout", "PT15M",
 
1329
                                       "foo"],
 
1330
                                      command.SetExtendedTimeout,
 
1331
                                      value_to_set=900000)
 
1332
 
 
1333
    def test_interval(self):
 
1334
        self.assert_command_from_args(["--interval", "PT2M", "foo"],
 
1335
                                      command.SetInterval,
 
1336
                                      value_to_set=120000)
 
1337
 
 
1338
    def test_interval_short(self):
 
1339
        self.assert_command_from_args(["-i", "PT2M", "foo"],
 
1340
                                      command.SetInterval,
 
1341
                                      value_to_set=120000)
 
1342
 
 
1343
    def test_approval_delay(self):
 
1344
        self.assert_command_from_args(["--approval-delay", "PT30S",
 
1345
                                       "foo"],
 
1346
                                      command.SetApprovalDelay,
 
1347
                                      value_to_set=30000)
 
1348
 
 
1349
    def test_approval_duration(self):
 
1350
        self.assert_command_from_args(["--approval-duration", "PT1S",
 
1351
                                       "foo"],
 
1352
                                      command.SetApprovalDuration,
 
1353
                                      value_to_set=1000)
 
1354
 
 
1355
    def test_print_table(self):
 
1356
        self.assert_command_from_args([], command.PrintTable,
 
1357
                                      verbose=False)
 
1358
 
 
1359
    def test_print_table_verbose(self):
 
1360
        self.assert_command_from_args(["--verbose"],
 
1361
                                      command.PrintTable,
 
1362
                                      verbose=True)
 
1363
 
 
1364
    def test_print_table_verbose_short(self):
 
1365
        self.assert_command_from_args(["-v"], command.PrintTable,
 
1366
                                      verbose=True)
 
1367
 
 
1368
 
 
1369
class TestCommand(unittest.TestCase):
 
1370
    """Abstract class for tests of command classes"""
 
1371
 
 
1372
    def setUp(self):
 
1373
        testcase = self
 
1374
        class MockClient(object):
 
1375
            def __init__(self, name, **attributes):
 
1376
                self.__dbus_object_path__ = "/clients/{}".format(name)
 
1377
                self.attributes = attributes
 
1378
                self.attributes["Name"] = name
 
1379
                self.calls = []
 
1380
            def Set(self, interface, propname, value, dbus_interface):
 
1381
                testcase.assertEqual(client_dbus_interface, interface)
 
1382
                testcase.assertEqual(dbus.PROPERTIES_IFACE,
 
1383
                                     dbus_interface)
 
1384
                self.attributes[propname] = value
 
1385
            def Approve(self, approve, dbus_interface):
 
1386
                testcase.assertEqual(client_dbus_interface,
 
1387
                                     dbus_interface)
 
1388
                self.calls.append(("Approve", (approve,
 
1389
                                               dbus_interface)))
 
1390
        self.client = MockClient(
 
1391
            "foo",
 
1392
            KeyID=("92ed150794387c03ce684574b1139a65"
 
1393
                   "94a34f895daaaf09fd8ea90a27cddb12"),
 
1394
            Secret=b"secret",
 
1395
            Host="foo.example.org",
 
1396
            Enabled=dbus.Boolean(True),
 
1397
            Timeout=300000,
 
1398
            LastCheckedOK="2019-02-03T00:00:00",
 
1399
            Created="2019-01-02T00:00:00",
 
1400
            Interval=120000,
 
1401
            Fingerprint=("778827225BA7DE539C5A"
 
1402
                         "7CFA59CFF7CDBD9A5920"),
 
1403
            CheckerRunning=dbus.Boolean(False),
 
1404
            LastEnabled="2019-01-03T00:00:00",
 
1405
            ApprovalPending=dbus.Boolean(False),
 
1406
            ApprovedByDefault=dbus.Boolean(True),
 
1407
            LastApprovalRequest="",
 
1408
            ApprovalDelay=0,
 
1409
            ApprovalDuration=1000,
 
1410
            Checker="fping -q -- %(host)s",
 
1411
            ExtendedTimeout=900000,
 
1412
            Expires="2019-02-04T00:00:00",
 
1413
            LastCheckerStatus=0)
 
1414
        self.other_client = MockClient(
 
1415
            "barbar",
 
1416
            KeyID=("0558568eedd67d622f5c83b35a115f79"
 
1417
                   "6ab612cff5ad227247e46c2b020f441c"),
 
1418
            Secret=b"secretbar",
 
1419
            Host="192.0.2.3",
 
1420
            Enabled=dbus.Boolean(True),
 
1421
            Timeout=300000,
 
1422
            LastCheckedOK="2019-02-04T00:00:00",
 
1423
            Created="2019-01-03T00:00:00",
 
1424
            Interval=120000,
 
1425
            Fingerprint=("3E393AEAEFB84C7E89E2"
 
1426
                         "F547B3A107558FCA3A27"),
 
1427
            CheckerRunning=dbus.Boolean(True),
 
1428
            LastEnabled="2019-01-04T00:00:00",
 
1429
            ApprovalPending=dbus.Boolean(False),
 
1430
            ApprovedByDefault=dbus.Boolean(False),
 
1431
            LastApprovalRequest="2019-01-03T00:00:00",
 
1432
            ApprovalDelay=30000,
 
1433
            ApprovalDuration=93785000,
 
1434
            Checker=":",
 
1435
            ExtendedTimeout=900000,
 
1436
            Expires="2019-02-05T00:00:00",
 
1437
            LastCheckerStatus=-2)
 
1438
        self.clients =  collections.OrderedDict(
 
1439
            [
 
1440
                ("/clients/foo", self.client.attributes),
 
1441
                ("/clients/barbar", self.other_client.attributes),
 
1442
            ])
 
1443
        self.one_client = {"/clients/foo": self.client.attributes}
 
1444
 
 
1445
    @property
 
1446
    def bus(self):
 
1447
        class Bus(object):
 
1448
            @staticmethod
 
1449
            def get_object(client_bus_name, path):
 
1450
                self.assertEqual(dbus_busname, client_bus_name)
 
1451
                return {
 
1452
                    # Note: "self" here is the TestCmd instance, not
 
1453
                    # the Bus instance, since this is a static method!
 
1454
                    "/clients/foo": self.client,
 
1455
                    "/clients/barbar": self.other_client,
 
1456
                }[path]
 
1457
        return Bus()
 
1458
 
 
1459
 
 
1460
class TestBaseCommands(TestCommand):
 
1461
 
 
1462
    def test_IsEnabled_exits_successfully(self):
 
1463
        with self.assertRaises(SystemExit) as e:
 
1464
            command.IsEnabled().run(self.one_client)
 
1465
        if e.exception.code is not None:
 
1466
            self.assertEqual(0, e.exception.code)
 
1467
        else:
 
1468
            self.assertIsNone(e.exception.code)
 
1469
 
 
1470
    def test_IsEnabled_exits_with_failure(self):
 
1471
        self.client.attributes["Enabled"] = dbus.Boolean(False)
 
1472
        with self.assertRaises(SystemExit) as e:
 
1473
            command.IsEnabled().run(self.one_client)
 
1474
        if isinstance(e.exception.code, int):
 
1475
            self.assertNotEqual(0, e.exception.code)
 
1476
        else:
 
1477
            self.assertIsNotNone(e.exception.code)
 
1478
 
 
1479
    def test_Approve(self):
 
1480
        command.Approve().run(self.clients, self.bus)
 
1481
        for clientpath in self.clients:
 
1482
            client = self.bus.get_object(dbus_busname, clientpath)
 
1483
            self.assertIn(("Approve", (True, client_dbus_interface)),
 
1484
                          client.calls)
 
1485
 
 
1486
    def test_Deny(self):
 
1487
        command.Deny().run(self.clients, self.bus)
 
1488
        for clientpath in self.clients:
 
1489
            client = self.bus.get_object(dbus_busname, clientpath)
 
1490
            self.assertIn(("Approve", (False, client_dbus_interface)),
 
1491
                          client.calls)
 
1492
 
 
1493
    def test_Remove(self):
 
1494
        class MockMandos(object):
 
1495
            def __init__(self):
 
1496
                self.calls = []
 
1497
            def RemoveClient(self, dbus_path):
 
1498
                self.calls.append(("RemoveClient", (dbus_path,)))
 
1499
        mandos = MockMandos()
 
1500
        command.Remove().run(self.clients, self.bus, mandos)
 
1501
        for clientpath in self.clients:
 
1502
            self.assertIn(("RemoveClient", (clientpath,)),
 
1503
                          mandos.calls)
 
1504
 
 
1505
    expected_json = {
 
1506
        "foo": {
 
1507
            "Name": "foo",
 
1508
            "KeyID": ("92ed150794387c03ce684574b1139a65"
 
1509
                      "94a34f895daaaf09fd8ea90a27cddb12"),
 
1510
            "Host": "foo.example.org",
 
1511
            "Enabled": True,
 
1512
            "Timeout": 300000,
 
1513
            "LastCheckedOK": "2019-02-03T00:00:00",
 
1514
            "Created": "2019-01-02T00:00:00",
 
1515
            "Interval": 120000,
 
1516
            "Fingerprint": ("778827225BA7DE539C5A"
 
1517
                            "7CFA59CFF7CDBD9A5920"),
 
1518
            "CheckerRunning": False,
 
1519
            "LastEnabled": "2019-01-03T00:00:00",
 
1520
            "ApprovalPending": False,
 
1521
            "ApprovedByDefault": True,
 
1522
            "LastApprovalRequest": "",
 
1523
            "ApprovalDelay": 0,
 
1524
            "ApprovalDuration": 1000,
 
1525
            "Checker": "fping -q -- %(host)s",
 
1526
            "ExtendedTimeout": 900000,
 
1527
            "Expires": "2019-02-04T00:00:00",
 
1528
            "LastCheckerStatus": 0,
 
1529
        },
 
1530
        "barbar": {
 
1531
            "Name": "barbar",
 
1532
            "KeyID": ("0558568eedd67d622f5c83b35a115f79"
 
1533
                      "6ab612cff5ad227247e46c2b020f441c"),
 
1534
            "Host": "192.0.2.3",
 
1535
            "Enabled": True,
 
1536
            "Timeout": 300000,
 
1537
            "LastCheckedOK": "2019-02-04T00:00:00",
 
1538
            "Created": "2019-01-03T00:00:00",
 
1539
            "Interval": 120000,
 
1540
            "Fingerprint": ("3E393AEAEFB84C7E89E2"
 
1541
                            "F547B3A107558FCA3A27"),
 
1542
            "CheckerRunning": True,
 
1543
            "LastEnabled": "2019-01-04T00:00:00",
 
1544
            "ApprovalPending": False,
 
1545
            "ApprovedByDefault": False,
 
1546
            "LastApprovalRequest": "2019-01-03T00:00:00",
 
1547
            "ApprovalDelay": 30000,
 
1548
            "ApprovalDuration": 93785000,
 
1549
            "Checker": ":",
 
1550
            "ExtendedTimeout": 900000,
 
1551
            "Expires": "2019-02-05T00:00:00",
 
1552
            "LastCheckerStatus": -2,
 
1553
        },
 
1554
    }
 
1555
 
 
1556
    def test_DumpJSON_normal(self):
 
1557
        with self.capture_stdout_to_buffer() as buffer:
 
1558
            command.DumpJSON().run(self.clients)
 
1559
        json_data = json.loads(buffer.getvalue())
 
1560
        self.assertDictEqual(self.expected_json, json_data)
 
1561
 
 
1562
    @staticmethod
 
1563
    @contextlib.contextmanager
 
1564
    def capture_stdout_to_buffer():
 
1565
        capture_buffer = io.StringIO()
 
1566
        old_stdout = sys.stdout
 
1567
        sys.stdout = capture_buffer
 
1568
        try:
 
1569
            yield capture_buffer
 
1570
        finally:
 
1571
            sys.stdout = old_stdout
 
1572
 
 
1573
    def test_DumpJSON_one_client(self):
 
1574
        with self.capture_stdout_to_buffer() as buffer:
 
1575
            command.DumpJSON().run(self.one_client)
 
1576
        json_data = json.loads(buffer.getvalue())
 
1577
        expected_json = {"foo": self.expected_json["foo"]}
 
1578
        self.assertDictEqual(expected_json, json_data)
 
1579
 
 
1580
    def test_PrintTable_normal(self):
 
1581
        with self.capture_stdout_to_buffer() as buffer:
 
1582
            command.PrintTable().run(self.clients)
 
1583
        expected_output = "\n".join((
 
1584
            "Name   Enabled Timeout  Last Successful Check",
 
1585
            "foo    Yes     00:05:00 2019-02-03T00:00:00  ",
 
1586
            "barbar Yes     00:05:00 2019-02-04T00:00:00  ",
 
1587
        )) + "\n"
 
1588
        self.assertEqual(expected_output, buffer.getvalue())
 
1589
 
 
1590
    def test_PrintTable_verbose(self):
 
1591
        with self.capture_stdout_to_buffer() as buffer:
 
1592
            command.PrintTable(verbose=True).run(self.clients)
 
1593
        columns = (
 
1594
            (
 
1595
                "Name   ",
 
1596
                "foo    ",
 
1597
                "barbar ",
 
1598
            ),(
 
1599
                "Enabled ",
 
1600
                "Yes     ",
 
1601
                "Yes     ",
 
1602
            ),(
 
1603
                "Timeout  ",
 
1604
                "00:05:00 ",
 
1605
                "00:05:00 ",
 
1606
            ),(
 
1607
                "Last Successful Check ",
 
1608
                "2019-02-03T00:00:00   ",
 
1609
                "2019-02-04T00:00:00   ",
 
1610
            ),(
 
1611
                "Created             ",
 
1612
                "2019-01-02T00:00:00 ",
 
1613
                "2019-01-03T00:00:00 ",
 
1614
            ),(
 
1615
                "Interval ",
 
1616
                "00:02:00 ",
 
1617
                "00:02:00 ",
 
1618
            ),(
 
1619
                "Host            ",
 
1620
                "foo.example.org ",
 
1621
                "192.0.2.3       ",
 
1622
            ),(
 
1623
                ("Key ID                                             "
 
1624
                 "              "),
 
1625
                ("92ed150794387c03ce684574b1139a6594a34f895daaaf09fd8"
 
1626
                 "ea90a27cddb12 "),
 
1627
                ("0558568eedd67d622f5c83b35a115f796ab612cff5ad227247e"
 
1628
                 "46c2b020f441c "),
 
1629
            ),(
 
1630
                "Fingerprint                              ",
 
1631
                "778827225BA7DE539C5A7CFA59CFF7CDBD9A5920 ",
 
1632
                "3E393AEAEFB84C7E89E2F547B3A107558FCA3A27 ",
 
1633
            ),(
 
1634
                "Check Is Running ",
 
1635
                "No               ",
 
1636
                "Yes              ",
 
1637
            ),(
 
1638
                "Last Enabled        ",
 
1639
                "2019-01-03T00:00:00 ",
 
1640
                "2019-01-04T00:00:00 ",
 
1641
            ),(
 
1642
                "Approval Is Pending ",
 
1643
                "No                  ",
 
1644
                "No                  ",
 
1645
            ),(
 
1646
                "Approved By Default ",
 
1647
                "Yes                 ",
 
1648
                "No                  ",
 
1649
            ),(
 
1650
                "Last Approval Request ",
 
1651
                "                      ",
 
1652
                "2019-01-03T00:00:00   ",
 
1653
            ),(
 
1654
                "Approval Delay ",
 
1655
                "00:00:00       ",
 
1656
                "00:00:30       ",
 
1657
            ),(
 
1658
                "Approval Duration ",
 
1659
                "00:00:01          ",
 
1660
                "1T02:03:05        ",
 
1661
            ),(
 
1662
                "Checker              ",
 
1663
                "fping -q -- %(host)s ",
 
1664
                ":                    ",
 
1665
            ),(
 
1666
                "Extended Timeout ",
 
1667
                "00:15:00         ",
 
1668
                "00:15:00         ",
 
1669
            ),(
 
1670
                "Expires             ",
 
1671
                "2019-02-04T00:00:00 ",
 
1672
                "2019-02-05T00:00:00 ",
 
1673
            ),(
 
1674
                "Last Checker Status",
 
1675
                "0                  ",
 
1676
                "-2                 ",
 
1677
            )
 
1678
        )
 
1679
        num_lines = max(len(rows) for rows in columns)
 
1680
        expected_output = ("\n".join("".join(rows[line]
 
1681
                                             for rows in columns)
 
1682
                                     for line in range(num_lines))
 
1683
                           + "\n")
 
1684
        self.assertEqual(expected_output, buffer.getvalue())
 
1685
 
 
1686
    def test_PrintTable_one_client(self):
 
1687
        with self.capture_stdout_to_buffer() as buffer:
 
1688
            command.PrintTable().run(self.one_client)
 
1689
        expected_output = "\n".join((
 
1690
            "Name Enabled Timeout  Last Successful Check",
 
1691
            "foo  Yes     00:05:00 2019-02-03T00:00:00  ",
 
1692
        )) + "\n"
 
1693
        self.assertEqual(expected_output, buffer.getvalue())
 
1694
 
 
1695
 
 
1696
class TestPropertyCmd(TestCommand):
 
1697
    """Abstract class for tests of command.Property classes"""
 
1698
    def runTest(self):
 
1699
        if not hasattr(self, "command"):
 
1700
            return
 
1701
        values_to_get = getattr(self, "values_to_get",
 
1702
                                self.values_to_set)
 
1703
        for value_to_set, value_to_get in zip(self.values_to_set,
 
1704
                                              values_to_get):
 
1705
            for clientpath in self.clients:
 
1706
                client = self.bus.get_object(dbus_busname, clientpath)
 
1707
                old_value = client.attributes[self.propname]
 
1708
                client.attributes[self.propname] = self.Unique()
 
1709
            self.run_command(value_to_set, self.clients)
 
1710
            for clientpath in self.clients:
 
1711
                client = self.bus.get_object(dbus_busname, clientpath)
 
1712
                value = client.attributes[self.propname]
 
1713
                self.assertNotIsInstance(value, self.Unique)
 
1714
                self.assertEqual(value_to_get, value)
 
1715
 
 
1716
    class Unique(object):
 
1717
        """Class for objects which exist only to be unique objects,
 
1718
since unittest.mock.sentinel only exists in Python 3.3"""
 
1719
 
 
1720
    def run_command(self, value, clients):
 
1721
        self.command().run(clients, self.bus)
 
1722
 
 
1723
 
 
1724
class TestEnableCmd(TestPropertyCmd):
 
1725
    command = command.Enable
 
1726
    propname = "Enabled"
 
1727
    values_to_set = [dbus.Boolean(True)]
 
1728
 
 
1729
 
 
1730
class TestDisableCmd(TestPropertyCmd):
 
1731
    command = command.Disable
 
1732
    propname = "Enabled"
 
1733
    values_to_set = [dbus.Boolean(False)]
 
1734
 
 
1735
 
 
1736
class TestBumpTimeoutCmd(TestPropertyCmd):
 
1737
    command = command.BumpTimeout
 
1738
    propname = "LastCheckedOK"
 
1739
    values_to_set = [""]
 
1740
 
 
1741
 
 
1742
class TestStartCheckerCmd(TestPropertyCmd):
 
1743
    command = command.StartChecker
 
1744
    propname = "CheckerRunning"
 
1745
    values_to_set = [dbus.Boolean(True)]
 
1746
 
 
1747
 
 
1748
class TestStopCheckerCmd(TestPropertyCmd):
 
1749
    command = command.StopChecker
 
1750
    propname = "CheckerRunning"
 
1751
    values_to_set = [dbus.Boolean(False)]
 
1752
 
 
1753
 
 
1754
class TestApproveByDefaultCmd(TestPropertyCmd):
 
1755
    command = command.ApproveByDefault
 
1756
    propname = "ApprovedByDefault"
 
1757
    values_to_set = [dbus.Boolean(True)]
 
1758
 
 
1759
 
 
1760
class TestDenyByDefaultCmd(TestPropertyCmd):
 
1761
    command = command.DenyByDefault
 
1762
    propname = "ApprovedByDefault"
 
1763
    values_to_set = [dbus.Boolean(False)]
 
1764
 
 
1765
 
 
1766
class TestPropertyValueCmd(TestPropertyCmd):
 
1767
    """Abstract class for tests of PropertyValueCmd classes"""
 
1768
 
 
1769
    def runTest(self):
 
1770
        if type(self) is TestPropertyValueCmd:
 
1771
            return
 
1772
        return super(TestPropertyValueCmd, self).runTest()
 
1773
 
 
1774
    def run_command(self, value, clients):
 
1775
        self.command(value).run(clients, self.bus)
 
1776
 
 
1777
 
 
1778
class TestSetCheckerCmd(TestPropertyValueCmd):
 
1779
    command = command.SetChecker
 
1780
    propname = "Checker"
 
1781
    values_to_set = ["", ":", "fping -q -- %s"]
 
1782
 
 
1783
 
 
1784
class TestSetHostCmd(TestPropertyValueCmd):
 
1785
    command = command.SetHost
 
1786
    propname = "Host"
 
1787
    values_to_set = ["192.0.2.3", "foo.example.org"]
 
1788
 
 
1789
 
 
1790
class TestSetSecretCmd(TestPropertyValueCmd):
 
1791
    command = command.SetSecret
 
1792
    propname = "Secret"
 
1793
    values_to_set = [io.BytesIO(b""),
 
1794
                     io.BytesIO(b"secret\0xyzzy\nbar")]
 
1795
    values_to_get = [b"", b"secret\0xyzzy\nbar"]
 
1796
 
 
1797
 
 
1798
class TestSetTimeoutCmd(TestPropertyValueCmd):
 
1799
    command = command.SetTimeout
 
1800
    propname = "Timeout"
 
1801
    values_to_set = [datetime.timedelta(),
 
1802
                     datetime.timedelta(minutes=5),
 
1803
                     datetime.timedelta(seconds=1),
 
1804
                     datetime.timedelta(weeks=1),
 
1805
                     datetime.timedelta(weeks=52)]
 
1806
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1807
 
 
1808
 
 
1809
class TestSetExtendedTimeoutCmd(TestPropertyValueCmd):
 
1810
    command = command.SetExtendedTimeout
 
1811
    propname = "ExtendedTimeout"
 
1812
    values_to_set = [datetime.timedelta(),
 
1813
                     datetime.timedelta(minutes=5),
 
1814
                     datetime.timedelta(seconds=1),
 
1815
                     datetime.timedelta(weeks=1),
 
1816
                     datetime.timedelta(weeks=52)]
 
1817
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1818
 
 
1819
 
 
1820
class TestSetIntervalCmd(TestPropertyValueCmd):
 
1821
    command = command.SetInterval
 
1822
    propname = "Interval"
 
1823
    values_to_set = [datetime.timedelta(),
 
1824
                     datetime.timedelta(minutes=5),
 
1825
                     datetime.timedelta(seconds=1),
 
1826
                     datetime.timedelta(weeks=1),
 
1827
                     datetime.timedelta(weeks=52)]
 
1828
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1829
 
 
1830
 
 
1831
class TestSetApprovalDelayCmd(TestPropertyValueCmd):
 
1832
    command = command.SetApprovalDelay
 
1833
    propname = "ApprovalDelay"
 
1834
    values_to_set = [datetime.timedelta(),
 
1835
                     datetime.timedelta(minutes=5),
 
1836
                     datetime.timedelta(seconds=1),
 
1837
                     datetime.timedelta(weeks=1),
 
1838
                     datetime.timedelta(weeks=52)]
 
1839
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1840
 
 
1841
 
 
1842
class TestSetApprovalDurationCmd(TestPropertyValueCmd):
 
1843
    command = command.SetApprovalDuration
 
1844
    propname = "ApprovalDuration"
 
1845
    values_to_set = [datetime.timedelta(),
 
1846
                     datetime.timedelta(minutes=5),
 
1847
                     datetime.timedelta(seconds=1),
 
1848
                     datetime.timedelta(weeks=1),
 
1849
                     datetime.timedelta(weeks=52)]
 
1850
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1851
 
 
1852
 
 
1853
 
 
1854
def should_only_run_tests():
 
1855
    parser = argparse.ArgumentParser(add_help=False)
 
1856
    parser.add_argument("--check", action='store_true')
 
1857
    args, unknown_args = parser.parse_known_args()
 
1858
    run_tests = args.check
 
1859
    if run_tests:
 
1860
        # Remove --check argument from sys.argv
 
1861
        sys.argv[1:] = unknown_args
 
1862
    return run_tests
 
1863
 
 
1864
# Add all tests from doctest strings
 
1865
def load_tests(loader, tests, none):
 
1866
    import doctest
 
1867
    tests.addTests(doctest.DocTestSuite())
 
1868
    return tests
458
1869
 
459
1870
if __name__ == "__main__":
460
 
    main()
 
1871
    try:
 
1872
        if should_only_run_tests():
 
1873
            # Call using ./tdd-python-script --check [--verbose]
 
1874
            unittest.main()
 
1875
        else:
 
1876
            main()
 
1877
    finally:
 
1878
        logging.shutdown()