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  • Committer: Teddy Hogeborn
  • Date: 2008-09-17 00:34:09 UTC
  • Revision ID: teddy@fukt.bsnet.se-20080917003409-bxbjsc4o69nx40t6
* .bzr-builddeb/default.conf: New.

* Makefile (install-server): Do not create directories that
                             should already be present in a
                             normal system.
  (install-client-nokey): - '' -  Also specify non-executable
                          mode for "initramfs-tools-hook-conf".

* README: Improved wording.  Use real copyright mark.

* debian/changelog: New.
* debian/compat: - '' -
* debian/control: - '' -
* debian/copyright: - '' -
* debian/mandos-client.README.Debian: - '' -
* debian/mandos-client.dirs: - '' -
* debian/mandos-client.lintian-overrides: - '' -
* debian/mandos-client.postinst: - '' -
* debian/mandos-client.postrm: - '' -
* debian/mandos.dirs: - '' -
* debian/mandos.lintian-overrides: - '' -
* debian/rules: - '' -
* default-mandos: - '' -

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mandos-ctl
1
 
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
3
 
#
4
 
# Mandos Monitor - Control and monitor the Mandos server
5
 
#
6
 
# Copyright © 2008-2019 Teddy Hogeborn
7
 
# Copyright © 2008-2019 Björn Påhlsson
8
 
#
9
 
# This file is part of Mandos.
10
 
#
11
 
# Mandos is free software: you can redistribute it and/or modify it
12
 
# under the terms of the GNU General Public License as published by
13
 
# the Free Software Foundation, either version 3 of the License, or
14
 
# (at your option) any later version.
15
 
#
16
 
#     Mandos is distributed in the hope that it will be useful, but
17
 
#     WITHOUT ANY WARRANTY; without even the implied warranty of
18
 
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
 
#     GNU General Public License for more details.
20
 
#
21
 
# You should have received a copy of the GNU General Public License
22
 
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
23
 
#
24
 
# Contact the authors at <mandos@recompile.se>.
25
 
#
26
 
 
27
 
from __future__ import (division, absolute_import, print_function,
28
 
                        unicode_literals)
29
 
 
30
 
try:
31
 
    from future_builtins import *
32
 
except ImportError:
33
 
    pass
34
 
 
35
 
import sys
36
 
import argparse
37
 
import locale
38
 
import datetime
39
 
import re
40
 
import os
41
 
import collections
42
 
import json
43
 
import unittest
44
 
 
45
 
import dbus
46
 
 
47
 
if sys.version_info.major == 2:
48
 
    str = unicode
49
 
 
50
 
locale.setlocale(locale.LC_ALL, "")
51
 
 
52
 
tablewords = {
53
 
    "Name": "Name",
54
 
    "Enabled": "Enabled",
55
 
    "Timeout": "Timeout",
56
 
    "LastCheckedOK": "Last Successful Check",
57
 
    "LastApprovalRequest": "Last Approval Request",
58
 
    "Created": "Created",
59
 
    "Interval": "Interval",
60
 
    "Host": "Host",
61
 
    "Fingerprint": "Fingerprint",
62
 
    "KeyID": "Key ID",
63
 
    "CheckerRunning": "Check Is Running",
64
 
    "LastEnabled": "Last Enabled",
65
 
    "ApprovalPending": "Approval Is Pending",
66
 
    "ApprovedByDefault": "Approved By Default",
67
 
    "ApprovalDelay": "Approval Delay",
68
 
    "ApprovalDuration": "Approval Duration",
69
 
    "Checker": "Checker",
70
 
    "ExtendedTimeout": "Extended Timeout",
71
 
    "Expires": "Expires",
72
 
    "LastCheckerStatus": "Last Checker Status",
73
 
}
74
 
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
75
 
domain = "se.recompile"
76
 
busname = domain + ".Mandos"
77
 
server_path = "/"
78
 
server_interface = domain + ".Mandos"
79
 
client_interface = domain + ".Mandos.Client"
80
 
version = "1.8.3"
81
 
 
82
 
 
83
 
try:
84
 
    dbus.OBJECT_MANAGER_IFACE
85
 
except AttributeError:
86
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
87
 
 
88
 
 
89
 
def milliseconds_to_string(ms):
90
 
    td = datetime.timedelta(0, 0, 0, ms)
91
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
92
 
            .format(days="{}T".format(td.days) if td.days else "",
93
 
                    hours=td.seconds // 3600,
94
 
                    minutes=(td.seconds % 3600) // 60,
95
 
                    seconds=td.seconds % 60))
96
 
 
97
 
 
98
 
def rfc3339_duration_to_delta(duration):
99
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
100
 
 
101
 
    >>> rfc3339_duration_to_delta("P7D")
102
 
    datetime.timedelta(7)
103
 
    >>> rfc3339_duration_to_delta("PT60S")
104
 
    datetime.timedelta(0, 60)
105
 
    >>> rfc3339_duration_to_delta("PT60M")
106
 
    datetime.timedelta(0, 3600)
107
 
    >>> rfc3339_duration_to_delta("PT24H")
108
 
    datetime.timedelta(1)
109
 
    >>> rfc3339_duration_to_delta("P1W")
110
 
    datetime.timedelta(7)
111
 
    >>> rfc3339_duration_to_delta("PT5M30S")
112
 
    datetime.timedelta(0, 330)
113
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
114
 
    datetime.timedelta(1, 200)
115
 
    """
116
 
 
117
 
    # Parsing an RFC 3339 duration with regular expressions is not
118
 
    # possible - there would have to be multiple places for the same
119
 
    # values, like seconds.  The current code, while more esoteric, is
120
 
    # cleaner without depending on a parsing library.  If Python had a
121
 
    # built-in library for parsing we would use it, but we'd like to
122
 
    # avoid excessive use of external libraries.
123
 
 
124
 
    # New type for defining tokens, syntax, and semantics all-in-one
125
 
    Token = collections.namedtuple("Token", (
126
 
        "regexp",  # To match token; if "value" is not None, must have
127
 
                   # a "group" containing digits
128
 
        "value",   # datetime.timedelta or None
129
 
        "followers"))           # Tokens valid after this token
130
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
131
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
132
 
    token_end = Token(re.compile(r"$"), None, frozenset())
133
 
    token_second = Token(re.compile(r"(\d+)S"),
134
 
                         datetime.timedelta(seconds=1),
135
 
                         frozenset((token_end, )))
136
 
    token_minute = Token(re.compile(r"(\d+)M"),
137
 
                         datetime.timedelta(minutes=1),
138
 
                         frozenset((token_second, token_end)))
139
 
    token_hour = Token(re.compile(r"(\d+)H"),
140
 
                       datetime.timedelta(hours=1),
141
 
                       frozenset((token_minute, token_end)))
142
 
    token_time = Token(re.compile(r"T"),
143
 
                       None,
144
 
                       frozenset((token_hour, token_minute,
145
 
                                  token_second)))
146
 
    token_day = Token(re.compile(r"(\d+)D"),
147
 
                      datetime.timedelta(days=1),
148
 
                      frozenset((token_time, token_end)))
149
 
    token_month = Token(re.compile(r"(\d+)M"),
150
 
                        datetime.timedelta(weeks=4),
151
 
                        frozenset((token_day, token_end)))
152
 
    token_year = Token(re.compile(r"(\d+)Y"),
153
 
                       datetime.timedelta(weeks=52),
154
 
                       frozenset((token_month, token_end)))
155
 
    token_week = Token(re.compile(r"(\d+)W"),
156
 
                       datetime.timedelta(weeks=1),
157
 
                       frozenset((token_end, )))
158
 
    token_duration = Token(re.compile(r"P"), None,
159
 
                           frozenset((token_year, token_month,
160
 
                                      token_day, token_time,
161
 
                                      token_week)))
162
 
    # Define starting values:
163
 
    # Value so far
164
 
    value = datetime.timedelta()
165
 
    found_token = None
166
 
    # Following valid tokens
167
 
    followers = frozenset((token_duration, ))
168
 
    # String left to parse
169
 
    s = duration
170
 
    # Loop until end token is found
171
 
    while found_token is not token_end:
172
 
        # Search for any currently valid tokens
173
 
        for token in followers:
174
 
            match = token.regexp.match(s)
175
 
            if match is not None:
176
 
                # Token found
177
 
                if token.value is not None:
178
 
                    # Value found, parse digits
179
 
                    factor = int(match.group(1), 10)
180
 
                    # Add to value so far
181
 
                    value += factor * token.value
182
 
                # Strip token from string
183
 
                s = token.regexp.sub("", s, 1)
184
 
                # Go to found token
185
 
                found_token = token
186
 
                # Set valid next tokens
187
 
                followers = found_token.followers
188
 
                break
189
 
        else:
190
 
            # No currently valid tokens were found
191
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
192
 
                             .format(duration))
193
 
    # End token found
194
 
    return value
195
 
 
196
 
 
197
 
def string_to_delta(interval):
198
 
    """Parse a string and return a datetime.timedelta
199
 
 
200
 
    >>> string_to_delta('7d')
201
 
    datetime.timedelta(7)
202
 
    >>> string_to_delta('60s')
203
 
    datetime.timedelta(0, 60)
204
 
    >>> string_to_delta('60m')
205
 
    datetime.timedelta(0, 3600)
206
 
    >>> string_to_delta('24h')
207
 
    datetime.timedelta(1)
208
 
    >>> string_to_delta('1w')
209
 
    datetime.timedelta(7)
210
 
    >>> string_to_delta('5m 30s')
211
 
    datetime.timedelta(0, 330)
212
 
    """
213
 
 
214
 
    try:
215
 
        return rfc3339_duration_to_delta(interval)
216
 
    except ValueError:
217
 
        pass
218
 
 
219
 
    value = datetime.timedelta(0)
220
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
221
 
 
222
 
    for num, suffix in regexp.findall(interval):
223
 
        if suffix == "d":
224
 
            value += datetime.timedelta(int(num))
225
 
        elif suffix == "s":
226
 
            value += datetime.timedelta(0, int(num))
227
 
        elif suffix == "m":
228
 
            value += datetime.timedelta(0, 0, 0, 0, int(num))
229
 
        elif suffix == "h":
230
 
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
231
 
        elif suffix == "w":
232
 
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
233
 
        elif suffix == "":
234
 
            value += datetime.timedelta(0, 0, 0, int(num))
235
 
    return value
236
 
 
237
 
 
238
 
def print_clients(clients, keywords):
239
 
    def valuetostring(value, keyword):
240
 
        if type(value) is dbus.Boolean:
241
 
            return "Yes" if value else "No"
242
 
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
243
 
                       "ApprovalDuration", "ExtendedTimeout"):
244
 
            return milliseconds_to_string(value)
245
 
        return str(value)
246
 
 
247
 
    # Create format string to print table rows
248
 
    format_string = " ".join("{{{key}:{width}}}".format(
249
 
        width=max(len(tablewords[key]),
250
 
                  max(len(valuetostring(client[key], key))
251
 
                      for client in clients)),
252
 
        key=key)
253
 
                             for key in keywords)
254
 
    # Print header line
255
 
    print(format_string.format(**tablewords))
256
 
    for client in clients:
257
 
        print(format_string
258
 
              .format(**{key: valuetostring(client[key], key)
259
 
                         for key in keywords}))
260
 
 
261
 
 
262
 
def has_actions(options):
263
 
    return any((options.enable,
264
 
                options.disable,
265
 
                options.bump_timeout,
266
 
                options.start_checker,
267
 
                options.stop_checker,
268
 
                options.is_enabled,
269
 
                options.remove,
270
 
                options.checker is not None,
271
 
                options.timeout is not None,
272
 
                options.extended_timeout is not None,
273
 
                options.interval is not None,
274
 
                options.approved_by_default is not None,
275
 
                options.approval_delay is not None,
276
 
                options.approval_duration is not None,
277
 
                options.host is not None,
278
 
                options.secret is not None,
279
 
                options.approve,
280
 
                options.deny))
281
 
 
282
 
 
283
 
def main():
284
 
    parser = argparse.ArgumentParser()
285
 
    parser.add_argument("--version", action="version",
286
 
                        version="%(prog)s {}".format(version),
287
 
                        help="show version number and exit")
288
 
    parser.add_argument("-a", "--all", action="store_true",
289
 
                        help="Select all clients")
290
 
    parser.add_argument("-v", "--verbose", action="store_true",
291
 
                        help="Print all fields")
292
 
    parser.add_argument("-j", "--dump-json", action="store_true",
293
 
                        help="Dump client data in JSON format")
294
 
    parser.add_argument("-e", "--enable", action="store_true",
295
 
                        help="Enable client")
296
 
    parser.add_argument("-d", "--disable", action="store_true",
297
 
                        help="disable client")
298
 
    parser.add_argument("-b", "--bump-timeout", action="store_true",
299
 
                        help="Bump timeout for client")
300
 
    parser.add_argument("--start-checker", action="store_true",
301
 
                        help="Start checker for client")
302
 
    parser.add_argument("--stop-checker", action="store_true",
303
 
                        help="Stop checker for client")
304
 
    parser.add_argument("-V", "--is-enabled", action="store_true",
305
 
                        help="Check if client is enabled")
306
 
    parser.add_argument("-r", "--remove", action="store_true",
307
 
                        help="Remove client")
308
 
    parser.add_argument("-c", "--checker",
309
 
                        help="Set checker command for client")
310
 
    parser.add_argument("-t", "--timeout",
311
 
                        help="Set timeout for client")
312
 
    parser.add_argument("--extended-timeout",
313
 
                        help="Set extended timeout for client")
314
 
    parser.add_argument("-i", "--interval",
315
 
                        help="Set checker interval for client")
316
 
    parser.add_argument("--approve-by-default", action="store_true",
317
 
                        default=None, dest="approved_by_default",
318
 
                        help="Set client to be approved by default")
319
 
    parser.add_argument("--deny-by-default", action="store_false",
320
 
                        dest="approved_by_default",
321
 
                        help="Set client to be denied by default")
322
 
    parser.add_argument("--approval-delay",
323
 
                        help="Set delay before client approve/deny")
324
 
    parser.add_argument("--approval-duration",
325
 
                        help="Set duration of one client approval")
326
 
    parser.add_argument("-H", "--host", help="Set host for client")
327
 
    parser.add_argument("-s", "--secret",
328
 
                        type=argparse.FileType(mode="rb"),
329
 
                        help="Set password blob (file) for client")
330
 
    parser.add_argument("-A", "--approve", action="store_true",
331
 
                        help="Approve any current client request")
332
 
    parser.add_argument("-D", "--deny", action="store_true",
333
 
                        help="Deny any current client request")
334
 
    parser.add_argument("--check", action="store_true",
335
 
                        help="Run self-test")
336
 
    parser.add_argument("client", nargs="*", help="Client name")
337
 
    options = parser.parse_args()
338
 
 
339
 
    if has_actions(options) and not (options.client or options.all):
340
 
        parser.error("Options require clients names or --all.")
341
 
    if options.verbose and has_actions(options):
342
 
        parser.error("--verbose can only be used alone.")
343
 
    if options.dump_json and (options.verbose
344
 
                              or has_actions(options)):
345
 
        parser.error("--dump-json can only be used alone.")
346
 
    if options.all and not has_actions(options):
347
 
        parser.error("--all requires an action.")
348
 
 
349
 
    try:
350
 
        bus = dbus.SystemBus()
351
 
        mandos_dbus_objc = bus.get_object(busname, server_path)
352
 
    except dbus.exceptions.DBusException:
353
 
        print("Could not connect to Mandos server", file=sys.stderr)
354
 
        sys.exit(1)
355
 
 
356
 
    mandos_serv = dbus.Interface(mandos_dbus_objc,
357
 
                                 dbus_interface=server_interface)
358
 
    mandos_serv_object_manager = dbus.Interface(
359
 
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
360
 
 
361
 
    # block stderr since dbus library prints to stderr
362
 
    null = os.open(os.path.devnull, os.O_RDWR)
363
 
    stderrcopy = os.dup(sys.stderr.fileno())
364
 
    os.dup2(null, sys.stderr.fileno())
365
 
    os.close(null)
366
 
    try:
367
 
        try:
368
 
            mandos_clients = {path: ifs_and_props[client_interface]
369
 
                              for path, ifs_and_props in
370
 
                              mandos_serv_object_manager
371
 
                              .GetManagedObjects().items()
372
 
                              if client_interface in ifs_and_props}
373
 
        finally:
374
 
            # restore stderr
375
 
            os.dup2(stderrcopy, sys.stderr.fileno())
376
 
            os.close(stderrcopy)
377
 
    except dbus.exceptions.DBusException as e:
378
 
        print("Access denied: "
379
 
              "Accessing mandos server through D-Bus: {}".format(e),
380
 
              file=sys.stderr)
381
 
        sys.exit(1)
382
 
 
383
 
    # Compile dict of (clients: properties) to process
384
 
    clients = {}
385
 
 
386
 
    if options.all or not options.client:
387
 
        clients = {bus.get_object(busname, path): properties
388
 
                   for path, properties in mandos_clients.items()}
389
 
    else:
390
 
        for name in options.client:
391
 
            for path, client in mandos_clients.items():
392
 
                if client["Name"] == name:
393
 
                    client_objc = bus.get_object(busname, path)
394
 
                    clients[client_objc] = client
395
 
                    break
396
 
            else:
397
 
                print("Client not found on server: {!r}"
398
 
                      .format(name), file=sys.stderr)
399
 
                sys.exit(1)
400
 
 
401
 
    if not has_actions(options) and clients:
402
 
        if options.verbose or options.dump_json:
403
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
404
 
                        "Created", "Interval", "Host", "KeyID",
405
 
                        "Fingerprint", "CheckerRunning",
406
 
                        "LastEnabled", "ApprovalPending",
407
 
                        "ApprovedByDefault", "LastApprovalRequest",
408
 
                        "ApprovalDelay", "ApprovalDuration",
409
 
                        "Checker", "ExtendedTimeout", "Expires",
410
 
                        "LastCheckerStatus")
411
 
        else:
412
 
            keywords = defaultkeywords
413
 
 
414
 
        if options.dump_json:
415
 
            json.dump({client["Name"]: {key:
416
 
                                        bool(client[key])
417
 
                                        if isinstance(client[key],
418
 
                                                      dbus.Boolean)
419
 
                                        else client[key]
420
 
                                        for key in keywords}
421
 
                       for client in clients.values()},
422
 
                      fp=sys.stdout, indent=4,
423
 
                      separators=(',', ': '))
424
 
            print()
425
 
        else:
426
 
            print_clients(clients.values(), keywords)
427
 
    else:
428
 
        # Process each client in the list by all selected options
429
 
        for client in clients:
430
 
 
431
 
            def set_client_prop(prop, value):
432
 
                """Set a Client D-Bus property"""
433
 
                client.Set(client_interface, prop, value,
434
 
                           dbus_interface=dbus.PROPERTIES_IFACE)
435
 
 
436
 
            def set_client_prop_ms(prop, value):
437
 
                """Set a Client D-Bus property, converted
438
 
                from a string to milliseconds."""
439
 
                set_client_prop(prop,
440
 
                                string_to_delta(value).total_seconds()
441
 
                                * 1000)
442
 
 
443
 
            if options.remove:
444
 
                mandos_serv.RemoveClient(client.__dbus_object_path__)
445
 
            if options.enable:
446
 
                set_client_prop("Enabled", dbus.Boolean(True))
447
 
            if options.disable:
448
 
                set_client_prop("Enabled", dbus.Boolean(False))
449
 
            if options.bump_timeout:
450
 
                set_client_prop("LastCheckedOK", "")
451
 
            if options.start_checker:
452
 
                set_client_prop("CheckerRunning", dbus.Boolean(True))
453
 
            if options.stop_checker:
454
 
                set_client_prop("CheckerRunning", dbus.Boolean(False))
455
 
            if options.is_enabled:
456
 
                if client.Get(client_interface, "Enabled",
457
 
                              dbus_interface=dbus.PROPERTIES_IFACE):
458
 
                    sys.exit(0)
459
 
                else:
460
 
                    sys.exit(1)
461
 
            if options.checker is not None:
462
 
                set_client_prop("Checker", options.checker)
463
 
            if options.host is not None:
464
 
                set_client_prop("Host", options.host)
465
 
            if options.interval is not None:
466
 
                set_client_prop_ms("Interval", options.interval)
467
 
            if options.approval_delay is not None:
468
 
                set_client_prop_ms("ApprovalDelay",
469
 
                                   options.approval_delay)
470
 
            if options.approval_duration is not None:
471
 
                set_client_prop_ms("ApprovalDuration",
472
 
                                   options.approval_duration)
473
 
            if options.timeout is not None:
474
 
                set_client_prop_ms("Timeout", options.timeout)
475
 
            if options.extended_timeout is not None:
476
 
                set_client_prop_ms("ExtendedTimeout",
477
 
                                   options.extended_timeout)
478
 
            if options.secret is not None:
479
 
                set_client_prop("Secret",
480
 
                                dbus.ByteArray(options.secret.read()))
481
 
            if options.approved_by_default is not None:
482
 
                set_client_prop("ApprovedByDefault",
483
 
                                dbus.Boolean(options
484
 
                                             .approved_by_default))
485
 
            if options.approve:
486
 
                client.Approve(dbus.Boolean(True),
487
 
                               dbus_interface=client_interface)
488
 
            elif options.deny:
489
 
                client.Approve(dbus.Boolean(False),
490
 
                               dbus_interface=client_interface)
491
 
 
492
 
 
493
 
class Test_milliseconds_to_string(unittest.TestCase):
494
 
    def test_all(self):
495
 
        self.assertEqual(milliseconds_to_string(93785000),
496
 
                         "1T02:03:05")
497
 
    def test_no_days(self):
498
 
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
499
 
    def test_all_zero(self):
500
 
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
501
 
    def test_no_fractional_seconds(self):
502
 
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
503
 
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
504
 
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
505
 
 
506
 
 
507
 
def should_only_run_tests():
508
 
    parser = argparse.ArgumentParser(add_help=False)
509
 
    parser.add_argument("--check", action='store_true')
510
 
    args, unknown_args = parser.parse_known_args()
511
 
    run_tests = args.check
512
 
    if run_tests:
513
 
        # Remove --check argument from sys.argv
514
 
        sys.argv[1:] = unknown_args
515
 
    return run_tests
516
 
 
517
 
# Add all tests from doctest strings
518
 
def load_tests(loader, tests, none):
519
 
    import doctest
520
 
    tests.addTests(doctest.DocTestSuite())
521
 
    return tests
522
 
 
523
 
if __name__ == "__main__":
524
 
    if should_only_run_tests():
525
 
        # Call using ./tdd-python-script --check [--verbose]
526
 
        unittest.main()
527
 
    else:
528
 
        main()