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  • Committer: Teddy Hogeborn
  • Date: 2019-03-17 10:59:24 UTC
  • mto: This revision was merged to the branch mainline in revision 382.
  • Revision ID: teddy@recompile.se-20190317105924-3o9xb4pl8tld3rnp
mandos-ctl: Refactor

* mandos-ctl: Move all command classes into a class acting as a
              namespace.  Remove "Cmd" suffix from command class
              names.  All users of commands changed.  Also unify all
              tests of base commands into one test class.
  (command): New.
  (TestBaseCommands): New.
  (TestIsEnableCmd, TestApproveCmd, TestDenyCmd, TestRemoveCmd,
  TestDumpJSONCmd, TestPrintTableCmd): Remove; move tests into
                                       TestBaseCommands.

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1
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
 
2
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
 
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
6
 
# Copyright © 2008-2010 Teddy Hogeborn
7
 
# Copyright © 2008-2010 Björn Påhlsson
8
 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
 
5
#
 
6
# Copyright © 2008-2019 Teddy Hogeborn
 
7
# Copyright © 2008-2019 Björn Påhlsson
 
8
#
 
9
# This file is part of Mandos.
 
10
#
 
11
# Mandos is free software: you can redistribute it and/or modify it
 
12
# under the terms of the GNU General Public License as published by
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
13
15
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
19
#     GNU General Public License for more details.
18
 
 
20
#
19
21
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21
 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
23
 
24
 
 
25
 
from __future__ import division
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
 
24
# Contact the authors at <mandos@recompile.se>.
 
25
#
 
26
 
 
27
from __future__ import (division, absolute_import, print_function,
 
28
                        unicode_literals)
 
29
 
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
 
34
 
26
35
import sys
27
 
import dbus
28
 
from optparse import OptionParser
 
36
import argparse
29
37
import locale
30
38
import datetime
31
39
import re
32
40
import os
33
 
 
34
 
locale.setlocale(locale.LC_ALL, u'')
35
 
 
36
 
tablewords = {
37
 
    'Name': u'Name',
38
 
    'Enabled': u'Enabled',
39
 
    'Timeout': u'Timeout',
40
 
    'LastCheckedOK': u'Last Successful Check',
41
 
    'LastApprovalRequest': u'Last Approval Request',
42
 
    'Created': u'Created',
43
 
    'Interval': u'Interval',
44
 
    'Host': u'Host',
45
 
    'Fingerprint': u'Fingerprint',
46
 
    'CheckerRunning': u'Check Is Running',
47
 
    'LastEnabled': u'Last Enabled',
48
 
    'ApprovalPending': u'Approval Is Pending',
49
 
    'ApprovedByDefault': u'Approved By Default',
50
 
    'ApprovalDelay': u"Approval Delay",
51
 
    'ApprovalDuration': u"Approval Duration",
52
 
    'Checker': u'Checker',
53
 
    }
54
 
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
55
 
domain = 'se.bsnet.fukt'
56
 
busname = domain + '.Mandos'
57
 
server_path = '/'
58
 
server_interface = domain + '.Mandos'
59
 
client_interface = domain + '.Mandos.Client'
60
 
version = "1.2.3"
61
 
 
62
 
def timedelta_to_milliseconds(td):
63
 
    "Convert a datetime.timedelta object to milliseconds"
64
 
    return ((td.days * 24 * 60 * 60 * 1000)
65
 
            + (td.seconds * 1000)
66
 
            + (td.microseconds // 1000))
67
 
 
68
 
def milliseconds_to_string(ms):
69
 
    td = datetime.timedelta(0, 0, 0, ms)
70
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
71
 
            % { "days": "%dT" % td.days if td.days else "",
72
 
                "hours": td.seconds // 3600,
73
 
                "minutes": (td.seconds % 3600) // 60,
74
 
                "seconds": td.seconds % 60,
75
 
                })
 
41
import collections
 
42
import json
 
43
import unittest
 
44
import logging
 
45
import io
 
46
import tempfile
 
47
import contextlib
 
48
 
 
49
import dbus
 
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
 
 
65
locale.setlocale(locale.LC_ALL, "")
 
66
 
 
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")
76
199
 
77
200
 
78
201
def string_to_delta(interval):
79
 
    """Parse a string and return a datetime.timedelta
80
 
 
81
 
    >>> string_to_delta('7d')
82
 
    datetime.timedelta(7)
83
 
    >>> string_to_delta('60s')
84
 
    datetime.timedelta(0, 60)
85
 
    >>> string_to_delta('60m')
86
 
    datetime.timedelta(0, 3600)
87
 
    >>> string_to_delta('24h')
88
 
    datetime.timedelta(1)
89
 
    >>> string_to_delta(u'1w')
90
 
    datetime.timedelta(7)
91
 
    >>> string_to_delta('5m 30s')
92
 
    datetime.timedelta(0, 330)
93
 
    """
94
 
    timevalue = datetime.timedelta(0)
95
 
    regexp = re.compile("\d+[dsmhw]")
96
 
    
97
 
    for s in regexp.findall(interval):
98
 
        try:
99
 
            suffix = unicode(s[-1])
100
 
            value = int(s[:-1])
101
 
            if suffix == u"d":
102
 
                delta = datetime.timedelta(value)
103
 
            elif suffix == u"s":
104
 
                delta = datetime.timedelta(0, value)
105
 
            elif suffix == u"m":
106
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
107
 
            elif suffix == u"h":
108
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
109
 
            elif suffix == u"w":
110
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
111
 
            else:
112
 
                raise ValueError
113
 
        except (ValueError, IndexError):
114
 
            raise ValueError
115
 
        timevalue += delta
116
 
    return timevalue
117
 
 
118
 
def print_clients(clients, keywords):
119
 
    def valuetostring(value, keyword):
120
 
        if type(value) is dbus.Boolean:
121
 
            return u"Yes" if value else u"No"
122
 
        if keyword in (u"Timeout", u"Interval", u"ApprovalDelay",
123
 
                       u"ApprovalDuration"):
124
 
            return milliseconds_to_string(value)
125
 
        return unicode(value)
126
 
    
127
 
    # Create format string to print table rows
128
 
    format_string = u' '.join(u'%%-%ds' %
129
 
                              max(len(tablewords[key]),
130
 
                                  max(len(valuetostring(client[key],
131
 
                                                        key))
132
 
                                      for client in
133
 
                                      clients))
134
 
                              for key in keywords)
135
 
    # Print header line
136
 
    print format_string % tuple(tablewords[key] for key in keywords)
137
 
    for client in clients:
138
 
        print format_string % tuple(valuetostring(client[key], key)
139
 
                                    for key in keywords)
140
 
 
141
 
def has_actions(options):
142
 
    return any((options.enable,
143
 
                options.disable,
144
 
                options.bump_timeout,
145
 
                options.start_checker,
146
 
                options.stop_checker,
147
 
                options.is_enabled,
148
 
                options.remove,
149
 
                options.checker is not None,
150
 
                options.timeout is not None,
151
 
                options.interval is not None,
152
 
                options.approved_by_default is not None,
153
 
                options.approval_delay is not None,
154
 
                options.approval_duration is not None,
155
 
                options.host is not None,
156
 
                options.secret is not None,
157
 
                options.approve,
158
 
                options.deny))
159
 
        
160
 
def main():
161
 
        parser = OptionParser(version = "%%prog %s" % version)
162
 
        parser.add_option("-a", "--all", action="store_true",
163
 
                          help="Select all clients")
164
 
        parser.add_option("-v", "--verbose", action="store_true",
165
 
                          help="Print all fields")
166
 
        parser.add_option("-e", "--enable", action="store_true",
167
 
                          help="Enable client")
168
 
        parser.add_option("-d", "--disable", action="store_true",
169
 
                          help="disable client")
170
 
        parser.add_option("-b", "--bump-timeout", action="store_true",
171
 
                          help="Bump timeout for client")
172
 
        parser.add_option("--start-checker", action="store_true",
173
 
                          help="Start checker for client")
174
 
        parser.add_option("--stop-checker", action="store_true",
175
 
                          help="Stop checker for client")
176
 
        parser.add_option("-V", "--is-enabled", action="store_true",
177
 
                          help="Check if client is enabled")
178
 
        parser.add_option("-r", "--remove", action="store_true",
179
 
                          help="Remove client")
180
 
        parser.add_option("-c", "--checker", type="string",
181
 
                          help="Set checker command for client")
182
 
        parser.add_option("-t", "--timeout", type="string",
183
 
                          help="Set timeout for client")
184
 
        parser.add_option("-i", "--interval", type="string",
185
 
                          help="Set checker interval for client")
186
 
        parser.add_option("--approve-by-default", action="store_true",
187
 
                          dest=u"approved_by_default",
188
 
                          help="Set client to be approved by default")
189
 
        parser.add_option("--deny-by-default", action="store_false",
190
 
                          dest=u"approved_by_default",
191
 
                          help="Set client to be denied by default")
192
 
        parser.add_option("--approval-delay", type="string",
193
 
                          help="Set delay before client approve/deny")
194
 
        parser.add_option("--approval-duration", type="string",
195
 
                          help="Set duration of one client approval")
196
 
        parser.add_option("-H", "--host", type="string",
197
 
                          help="Set host for client")
198
 
        parser.add_option("-s", "--secret", type="string",
199
 
                          help="Set password blob (file) for client")
200
 
        parser.add_option("-A", "--approve", action="store_true",
201
 
                          help="Approve any current client request")
202
 
        parser.add_option("-D", "--deny", action="store_true",
203
 
                          help="Deny any current client request")
204
 
        options, client_names = parser.parse_args()
205
 
        
206
 
        if has_actions(options) and not client_names and not options.all:
207
 
            parser.error('Options require clients names or --all.')
208
 
        if options.verbose and has_actions(options):
209
 
            parser.error('--verbose can only be used alone or with'
210
 
                         ' --all.')
211
 
        if options.all and not has_actions(options):
212
 
            parser.error('--all requires an action.')
213
 
        
214
 
        try:
215
 
            bus = dbus.SystemBus()
216
 
            mandos_dbus_objc = bus.get_object(busname, server_path)
217
 
        except dbus.exceptions.DBusException:
218
 
            print >> sys.stderr, "Could not connect to Mandos server"
 
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)
 
210
 
 
211
 
 
212
def rfc3339_duration_to_delta(duration):
 
213
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
214
 
 
215
    >>> rfc3339_duration_to_delta("P7D")
 
216
    datetime.timedelta(7)
 
217
    >>> rfc3339_duration_to_delta("PT60S")
 
218
    datetime.timedelta(0, 60)
 
219
    >>> rfc3339_duration_to_delta("PT60M")
 
220
    datetime.timedelta(0, 3600)
 
221
    >>> rfc3339_duration_to_delta("P60M")
 
222
    datetime.timedelta(1680)
 
223
    >>> rfc3339_duration_to_delta("PT24H")
 
224
    datetime.timedelta(1)
 
225
    >>> rfc3339_duration_to_delta("P1W")
 
226
    datetime.timedelta(7)
 
227
    >>> rfc3339_duration_to_delta("PT5M30S")
 
228
    datetime.timedelta(0, 330)
 
229
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
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"
 
260
    """
 
261
 
 
262
    # Parsing an RFC 3339 duration with regular expressions is not
 
263
    # possible - there would have to be multiple places for the same
 
264
    # values, like seconds.  The current code, while more esoteric, is
 
265
    # cleaner without depending on a parsing library.  If Python had a
 
266
    # built-in library for parsing we would use it, but we'd like to
 
267
    # avoid excessive use of external libraries.
 
268
 
 
269
    # New type for defining tokens, syntax, and semantics all-in-one
 
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
 
275
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
276
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
277
    token_end = Token(re.compile(r"$"), None, frozenset())
 
278
    token_second = Token(re.compile(r"(\d+)S"),
 
279
                         datetime.timedelta(seconds=1),
 
280
                         frozenset((token_end, )))
 
281
    token_minute = Token(re.compile(r"(\d+)M"),
 
282
                         datetime.timedelta(minutes=1),
 
283
                         frozenset((token_second, token_end)))
 
284
    token_hour = Token(re.compile(r"(\d+)H"),
 
285
                       datetime.timedelta(hours=1),
 
286
                       frozenset((token_minute, token_end)))
 
287
    token_time = Token(re.compile(r"T"),
 
288
                       None,
 
289
                       frozenset((token_hour, token_minute,
 
290
                                  token_second)))
 
291
    token_day = Token(re.compile(r"(\d+)D"),
 
292
                      datetime.timedelta(days=1),
 
293
                      frozenset((token_time, token_end)))
 
294
    token_month = Token(re.compile(r"(\d+)M"),
 
295
                        datetime.timedelta(weeks=4),
 
296
                        frozenset((token_day, token_end)))
 
297
    token_year = Token(re.compile(r"(\d+)Y"),
 
298
                       datetime.timedelta(weeks=52),
 
299
                       frozenset((token_month, token_end)))
 
300
    token_week = Token(re.compile(r"(\d+)W"),
 
301
                       datetime.timedelta(weeks=1),
 
302
                       frozenset((token_end, )))
 
303
    token_duration = Token(re.compile(r"P"), None,
 
304
                           frozenset((token_year, token_month,
 
305
                                      token_day, token_time,
 
306
                                      token_week)))
 
307
    # Define starting values:
 
308
    # Value so far
 
309
    value = datetime.timedelta()
 
310
    found_token = None
 
311
    # Following valid tokens
 
312
    followers = frozenset((token_duration, ))
 
313
    # String left to parse
 
314
    s = duration
 
315
    # Loop until end token is found
 
316
    while found_token is not token_end:
 
317
        # Search for any currently valid tokens
 
318
        for token in followers:
 
319
            match = token.regexp.match(s)
 
320
            if match is not None:
 
321
                # Token found
 
322
                if token.value is not None:
 
323
                    # Value found, parse digits
 
324
                    factor = int(match.group(1), 10)
 
325
                    # Add to value so far
 
326
                    value += factor * token.value
 
327
                # Strip token from string
 
328
                s = token.regexp.sub("", s, 1)
 
329
                # Go to found token
 
330
                found_token = token
 
331
                # Set valid next tokens
 
332
                followers = found_token.followers
 
333
                break
 
334
        else:
 
335
            # No currently valid tokens were found
 
336
            raise ValueError("Invalid RFC 3339 duration: \"{}\""
 
337
                             .format(duration))
 
338
    # End token found
 
339
    return value
 
340
 
 
341
 
 
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')
 
347
    datetime.timedelta(7)
 
348
    >>> parse_pre_1_6_1_interval('60s')
 
349
    datetime.timedelta(0, 60)
 
350
    >>> parse_pre_1_6_1_interval('60m')
 
351
    datetime.timedelta(0, 3600)
 
352
    >>> parse_pre_1_6_1_interval('24h')
 
353
    datetime.timedelta(1)
 
354
    >>> parse_pre_1_6_1_interval('1w')
 
355
    datetime.timedelta(7)
 
356
    >>> parse_pre_1_6_1_interval('5m 30s')
 
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
 
 
364
    """
 
365
 
 
366
    value = datetime.timedelta(0)
 
367
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
368
 
 
369
    for num, suffix in regexp.findall(interval):
 
370
        if suffix == "d":
 
371
            value += datetime.timedelta(int(num))
 
372
        elif suffix == "s":
 
373
            value += datetime.timedelta(0, int(num))
 
374
        elif suffix == "m":
 
375
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
376
        elif suffix == "h":
 
377
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
378
        elif suffix == "w":
 
379
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
380
        elif suffix == "":
 
381
            value += datetime.timedelta(0, 0, 0, int(num))
 
382
    return value
 
383
 
 
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
 
 
409
    if has_actions(options) and not (options.client or options.all):
 
410
        parser.error("Options require clients names or --all.")
 
411
    if options.verbose and has_actions(options):
 
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.")
 
416
    if options.all and not has_actions(options):
 
417
        parser.error("--all requires an action.")
 
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)
219
573
            sys.exit(1)
220
 
    
221
 
        mandos_serv = dbus.Interface(mandos_dbus_objc,
222
 
                                     dbus_interface = server_interface)
223
 
 
224
 
        #block stderr since dbus library prints to stderr
 
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",
 
610
                        "LastEnabled", "ApprovalPending",
 
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
    def test_handles_basic_rfc3339(self):
 
890
        self.assertEqual(string_to_delta("PT0S"),
 
891
                         datetime.timedelta())
 
892
        self.assertEqual(string_to_delta("P0D"),
 
893
                         datetime.timedelta())
 
894
        self.assertEqual(string_to_delta("PT1S"),
 
895
                         datetime.timedelta(0, 1))
 
896
        self.assertEqual(string_to_delta("PT2H"),
 
897
                         datetime.timedelta(0, 7200))
 
898
 
 
899
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
900
        with self.assertLogs(log, logging.WARNING):
 
901
            value = string_to_delta("2h")
 
902
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
903
 
 
904
 
 
905
class Test_check_option_syntax(unittest.TestCase):
 
906
    def setUp(self):
 
907
        self.parser = argparse.ArgumentParser()
 
908
        add_command_line_options(self.parser)
 
909
 
 
910
    def test_actions_requires_client_or_all(self):
 
911
        for action, value in self.actions.items():
 
912
            options = self.parser.parse_args()
 
913
            setattr(options, action, value)
 
914
            with self.assertParseError():
 
915
                self.check_option_syntax(options)
 
916
 
 
917
    # This mostly corresponds to the definition from has_actions() in
 
918
    # check_option_syntax()
 
919
    actions = {
 
920
        # The actual values set here are not that important, but we do
 
921
        # at least stick to the correct types, even though they are
 
922
        # never used
 
923
        "enable": True,
 
924
        "disable": True,
 
925
        "bump_timeout": True,
 
926
        "start_checker": True,
 
927
        "stop_checker": True,
 
928
        "is_enabled": True,
 
929
        "remove": True,
 
930
        "checker": "x",
 
931
        "timeout": datetime.timedelta(),
 
932
        "extended_timeout": datetime.timedelta(),
 
933
        "interval": datetime.timedelta(),
 
934
        "approved_by_default": True,
 
935
        "approval_delay": datetime.timedelta(),
 
936
        "approval_duration": datetime.timedelta(),
 
937
        "host": "x",
 
938
        "secret": io.BytesIO(b"x"),
 
939
        "approve": True,
 
940
        "deny": True,
 
941
    }
 
942
 
 
943
    @contextlib.contextmanager
 
944
    def assertParseError(self):
 
945
        with self.assertRaises(SystemExit) as e:
 
946
            with self.redirect_stderr_to_devnull():
 
947
                yield
 
948
        # Exit code from argparse is guaranteed to be "2".  Reference:
 
949
        # https://docs.python.org/3/library
 
950
        # /argparse.html#exiting-methods
 
951
        self.assertEqual(e.exception.code, 2)
 
952
 
 
953
    @staticmethod
 
954
    @contextlib.contextmanager
 
955
    def redirect_stderr_to_devnull():
225
956
        null = os.open(os.path.devnull, os.O_RDWR)
226
957
        stderrcopy = os.dup(sys.stderr.fileno())
227
958
        os.dup2(null, sys.stderr.fileno())
228
959
        os.close(null)
229
960
        try:
230
 
            try:
231
 
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
232
 
            finally:
233
 
                #restore stderr
234
 
                os.dup2(stderrcopy, sys.stderr.fileno())
235
 
                os.close(stderrcopy)
236
 
        except dbus.exceptions.DBusException, e:
237
 
            print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
238
 
            sys.exit(1)
239
 
            
240
 
        # Compile dict of (clients: properties) to process
241
 
        clients={}
242
 
        
243
 
        if options.all or not client_names:
244
 
            clients = dict((bus.get_object(busname, path), properties)
245
 
                           for path, properties in
246
 
                           mandos_clients.iteritems())
247
 
        else:
248
 
            for name in client_names:
249
 
                for path, client in mandos_clients.iteritems():
250
 
                    if client['Name'] == name:
251
 
                        client_objc = bus.get_object(busname, path)
252
 
                        clients[client_objc] = client
253
 
                        break
254
 
                else:
255
 
                    print >> sys.stderr, "Client not found on server: %r" % name
256
 
                    sys.exit(1)
257
 
            
258
 
        if not has_actions(options) and clients:
259
 
            if options.verbose:
260
 
                keywords = ('Name', 'Enabled', 'Timeout',
261
 
                            'LastCheckedOK', 'Created', 'Interval',
262
 
                            'Host', 'Fingerprint', 'CheckerRunning',
263
 
                            'LastEnabled', 'ApprovalPending',
264
 
                            'ApprovedByDefault',
265
 
                            'LastApprovalRequest', 'ApprovalDelay',
266
 
                            'ApprovalDuration', 'Checker')
267
 
            else:
268
 
                keywords = defaultkeywords
269
 
            
270
 
            print_clients(clients.values(), keywords)
271
 
        else:
272
 
            # Process each client in the list by all selected options
273
 
            for client in clients:
274
 
                if options.remove:
275
 
                    mandos_serv.RemoveClient(client.__dbus_object_path__)
276
 
                if options.enable:
277
 
                    client.Enable(dbus_interface=client_interface)
278
 
                if options.disable:
279
 
                    client.Disable(dbus_interface=client_interface)
280
 
                if options.bump_timeout:
281
 
                    client.CheckedOK(dbus_interface=client_interface)
282
 
                if options.start_checker:
283
 
                    client.StartChecker(dbus_interface=client_interface)
284
 
                if options.stop_checker:
285
 
                    client.StopChecker(dbus_interface=client_interface)
286
 
                if options.is_enabled:
287
 
                    sys.exit(0 if client.Get(client_interface,
288
 
                                             u"Enabled",
289
 
                                             dbus_interface=dbus.PROPERTIES_IFACE)
290
 
                             else 1)
291
 
                if options.checker:
292
 
                    client.Set(client_interface, u"Checker", options.checker,
293
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
294
 
                if options.host:
295
 
                    client.Set(client_interface, u"Host", options.host,
296
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
297
 
                if options.interval:
298
 
                    client.Set(client_interface, u"Interval",
299
 
                               timedelta_to_milliseconds
300
 
                               (string_to_delta(options.interval)),
301
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
302
 
                if options.approval_delay:
303
 
                    client.Set(client_interface, u"ApprovalDelay",
304
 
                               timedelta_to_milliseconds
305
 
                               (string_to_delta(options.
306
 
                                                approval_delay)),
307
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
308
 
                if options.approval_duration:
309
 
                    client.Set(client_interface, u"ApprovalDuration",
310
 
                               timedelta_to_milliseconds
311
 
                               (string_to_delta(options.
312
 
                                                approval_duration)),
313
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
314
 
                if options.timeout:
315
 
                    client.Set(client_interface, u"Timeout",
316
 
                               timedelta_to_milliseconds
317
 
                               (string_to_delta(options.timeout)),
318
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
319
 
                if options.secret:
320
 
                    client.Set(client_interface, u"Secret",
321
 
                               dbus.ByteArray(open(options.secret,
322
 
                                                   u'rb').read()),
323
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
324
 
                if options.approved_by_default is not None:
325
 
                    client.Set(client_interface, u"ApprovedByDefault",
326
 
                               dbus.Boolean(options
327
 
                                            .approved_by_default),
328
 
                               dbus_interface=dbus.PROPERTIES_IFACE)
329
 
                if options.approve:
330
 
                    client.Approve(dbus.Boolean(True),
331
 
                                   dbus_interface=client_interface)
332
 
                elif options.deny:
333
 
                    client.Approve(dbus.Boolean(False),
334
 
                                   dbus_interface=client_interface)
335
 
 
336
 
if __name__ == '__main__':
337
 
    main()
 
961
            yield
 
962
        finally:
 
963
            # restore stderr
 
964
            os.dup2(stderrcopy, sys.stderr.fileno())
 
965
            os.close(stderrcopy)
 
966
 
 
967
    def check_option_syntax(self, options):
 
968
        check_option_syntax(self.parser, options)
 
969
 
 
970
    def test_actions_all_conflicts_with_verbose(self):
 
971
        for action, value in self.actions.items():
 
972
            options = self.parser.parse_args()
 
973
            setattr(options, action, value)
 
974
            options.all = True
 
975
            options.verbose = True
 
976
            with self.assertParseError():
 
977
                self.check_option_syntax(options)
 
978
 
 
979
    def test_actions_with_client_conflicts_with_verbose(self):
 
980
        for action, value in self.actions.items():
 
981
            options = self.parser.parse_args()
 
982
            setattr(options, action, value)
 
983
            options.verbose = True
 
984
            options.client = ["foo"]
 
985
            with self.assertParseError():
 
986
                self.check_option_syntax(options)
 
987
 
 
988
    def test_dump_json_conflicts_with_verbose(self):
 
989
        options = self.parser.parse_args()
 
990
        options.dump_json = True
 
991
        options.verbose = True
 
992
        with self.assertParseError():
 
993
            self.check_option_syntax(options)
 
994
 
 
995
    def test_dump_json_conflicts_with_action(self):
 
996
        for action, value in self.actions.items():
 
997
            options = self.parser.parse_args()
 
998
            setattr(options, action, value)
 
999
            options.dump_json = True
 
1000
            with self.assertParseError():
 
1001
                self.check_option_syntax(options)
 
1002
 
 
1003
    def test_all_can_not_be_alone(self):
 
1004
        options = self.parser.parse_args()
 
1005
        options.all = True
 
1006
        with self.assertParseError():
 
1007
            self.check_option_syntax(options)
 
1008
 
 
1009
    def test_all_is_ok_with_any_action(self):
 
1010
        for action, value in self.actions.items():
 
1011
            options = self.parser.parse_args()
 
1012
            setattr(options, action, value)
 
1013
            options.all = True
 
1014
            self.check_option_syntax(options)
 
1015
 
 
1016
    def test_any_action_is_ok_with_one_client(self):
 
1017
        for action, value in self.actions.items():
 
1018
            options = self.parser.parse_args()
 
1019
            setattr(options, action, value)
 
1020
            options.client = ["foo"]
 
1021
            self.check_option_syntax(options)
 
1022
 
 
1023
    def test_one_client_with_all_actions_except_is_enabled(self):
 
1024
        options = self.parser.parse_args()
 
1025
        for action, value in self.actions.items():
 
1026
            if action == "is_enabled":
 
1027
                continue
 
1028
            setattr(options, action, value)
 
1029
        options.client = ["foo"]
 
1030
        self.check_option_syntax(options)
 
1031
 
 
1032
    def test_two_clients_with_all_actions_except_is_enabled(self):
 
1033
        options = self.parser.parse_args()
 
1034
        for action, value in self.actions.items():
 
1035
            if action == "is_enabled":
 
1036
                continue
 
1037
            setattr(options, action, value)
 
1038
        options.client = ["foo", "barbar"]
 
1039
        self.check_option_syntax(options)
 
1040
 
 
1041
    def test_two_clients_are_ok_with_actions_except_is_enabled(self):
 
1042
        for action, value in self.actions.items():
 
1043
            if action == "is_enabled":
 
1044
                continue
 
1045
            options = self.parser.parse_args()
 
1046
            setattr(options, action, value)
 
1047
            options.client = ["foo", "barbar"]
 
1048
            self.check_option_syntax(options)
 
1049
 
 
1050
    def test_is_enabled_fails_without_client(self):
 
1051
        options = self.parser.parse_args()
 
1052
        options.is_enabled = True
 
1053
        with self.assertParseError():
 
1054
            self.check_option_syntax(options)
 
1055
 
 
1056
    def test_is_enabled_fails_with_two_clients(self):
 
1057
        options = self.parser.parse_args()
 
1058
        options.is_enabled = True
 
1059
        options.client = ["foo", "barbar"]
 
1060
        with self.assertParseError():
 
1061
            self.check_option_syntax(options)
 
1062
 
 
1063
    def test_remove_can_only_be_combined_with_action_deny(self):
 
1064
        for action, value in self.actions.items():
 
1065
            if action in {"remove", "deny"}:
 
1066
                continue
 
1067
            options = self.parser.parse_args()
 
1068
            setattr(options, action, value)
 
1069
            options.all = True
 
1070
            options.remove = True
 
1071
            with self.assertParseError():
 
1072
                self.check_option_syntax(options)
 
1073
 
 
1074
 
 
1075
class Test_get_mandos_dbus_object(TestCaseWithAssertLogs):
 
1076
    def test_calls_and_returns_get_object_on_bus(self):
 
1077
        class MockBus(object):
 
1078
            called = False
 
1079
            def get_object(mockbus_self, busname, dbus_path):
 
1080
                # Note that "self" is still the testcase instance,
 
1081
                # this MockBus instance is in "mockbus_self".
 
1082
                self.assertEqual(busname, dbus_busname)
 
1083
                self.assertEqual(dbus_path, server_dbus_path)
 
1084
                mockbus_self.called = True
 
1085
                return mockbus_self
 
1086
 
 
1087
        mockbus = get_mandos_dbus_object(bus=MockBus())
 
1088
        self.assertIsInstance(mockbus, MockBus)
 
1089
        self.assertTrue(mockbus.called)
 
1090
 
 
1091
    def test_logs_and_exits_on_dbus_error(self):
 
1092
        class MockBusFailing(object):
 
1093
            def get_object(self, busname, dbus_path):
 
1094
                raise dbus.exceptions.DBusException("Test")
 
1095
 
 
1096
        with self.assertLogs(log, logging.CRITICAL):
 
1097
            with self.assertRaises(SystemExit) as e:
 
1098
                bus = get_mandos_dbus_object(bus=MockBusFailing())
 
1099
 
 
1100
        if isinstance(e.exception.code, int):
 
1101
            self.assertNotEqual(e.exception.code, 0)
 
1102
        else:
 
1103
            self.assertIsNotNone(e.exception.code)
 
1104
 
 
1105
 
 
1106
class Test_get_managed_objects(TestCaseWithAssertLogs):
 
1107
    def test_calls_and_returns_GetManagedObjects(self):
 
1108
        managed_objects = {"/clients/foo": { "Name": "foo"}}
 
1109
        class MockObjectManager(object):
 
1110
            def GetManagedObjects(self):
 
1111
                return managed_objects
 
1112
        retval = get_managed_objects(MockObjectManager())
 
1113
        self.assertDictEqual(managed_objects, retval)
 
1114
 
 
1115
    def test_logs_and_exits_on_dbus_error(self):
 
1116
        dbus_logger = logging.getLogger("dbus.proxies")
 
1117
 
 
1118
        class MockObjectManagerFailing(object):
 
1119
            def GetManagedObjects(self):
 
1120
                dbus_logger.error("Test")
 
1121
                raise dbus.exceptions.DBusException("Test")
 
1122
 
 
1123
        class CountingHandler(logging.Handler):
 
1124
            count = 0
 
1125
            def emit(self, record):
 
1126
                self.count += 1
 
1127
 
 
1128
        counting_handler = CountingHandler()
 
1129
 
 
1130
        dbus_logger.addHandler(counting_handler)
 
1131
 
 
1132
        try:
 
1133
            with self.assertLogs(log, logging.CRITICAL) as watcher:
 
1134
                with self.assertRaises(SystemExit) as e:
 
1135
                    get_managed_objects(MockObjectManagerFailing())
 
1136
        finally:
 
1137
            dbus_logger.removeFilter(counting_handler)
 
1138
 
 
1139
        # Make sure the dbus logger was suppressed
 
1140
        self.assertEqual(counting_handler.count, 0)
 
1141
 
 
1142
        # Test that the dbus_logger still works
 
1143
        with self.assertLogs(dbus_logger, logging.ERROR):
 
1144
            dbus_logger.error("Test")
 
1145
 
 
1146
        if isinstance(e.exception.code, int):
 
1147
            self.assertNotEqual(e.exception.code, 0)
 
1148
        else:
 
1149
            self.assertIsNotNone(e.exception.code)
 
1150
 
 
1151
 
 
1152
class Test_commands_from_options(unittest.TestCase):
 
1153
    def setUp(self):
 
1154
        self.parser = argparse.ArgumentParser()
 
1155
        add_command_line_options(self.parser)
 
1156
 
 
1157
    def test_is_enabled(self):
 
1158
        self.assert_command_from_args(["--is-enabled", "foo"],
 
1159
                                      command.IsEnabled)
 
1160
 
 
1161
    def assert_command_from_args(self, args, command_cls,
 
1162
                                 **cmd_attrs):
 
1163
        """Assert that parsing ARGS should result in an instance of
 
1164
COMMAND_CLS with (optionally) all supplied attributes (CMD_ATTRS)."""
 
1165
        options = self.parser.parse_args(args)
 
1166
        check_option_syntax(self.parser, options)
 
1167
        commands = commands_from_options(options)
 
1168
        self.assertEqual(len(commands), 1)
 
1169
        command = commands[0]
 
1170
        self.assertIsInstance(command, command_cls)
 
1171
        for key, value in cmd_attrs.items():
 
1172
            self.assertEqual(getattr(command, key), value)
 
1173
 
 
1174
    def test_is_enabled_short(self):
 
1175
        self.assert_command_from_args(["-V", "foo"],
 
1176
                                      command.IsEnabled)
 
1177
 
 
1178
    def test_approve(self):
 
1179
        self.assert_command_from_args(["--approve", "foo"],
 
1180
                                      command.Approve)
 
1181
 
 
1182
    def test_approve_short(self):
 
1183
        self.assert_command_from_args(["-A", "foo"], command.Approve)
 
1184
 
 
1185
    def test_deny(self):
 
1186
        self.assert_command_from_args(["--deny", "foo"], command.Deny)
 
1187
 
 
1188
    def test_deny_short(self):
 
1189
        self.assert_command_from_args(["-D", "foo"], command.Deny)
 
1190
 
 
1191
    def test_remove(self):
 
1192
        self.assert_command_from_args(["--remove", "foo"],
 
1193
                                      command.Remove)
 
1194
 
 
1195
    def test_deny_before_remove(self):
 
1196
        options = self.parser.parse_args(["--deny", "--remove",
 
1197
                                          "foo"])
 
1198
        check_option_syntax(self.parser, options)
 
1199
        commands = commands_from_options(options)
 
1200
        self.assertEqual(len(commands), 2)
 
1201
        self.assertIsInstance(commands[0], command.Deny)
 
1202
        self.assertIsInstance(commands[1], command.Remove)
 
1203
 
 
1204
    def test_deny_before_remove_reversed(self):
 
1205
        options = self.parser.parse_args(["--remove", "--deny",
 
1206
                                          "--all"])
 
1207
        check_option_syntax(self.parser, options)
 
1208
        commands = commands_from_options(options)
 
1209
        self.assertEqual(len(commands), 2)
 
1210
        self.assertIsInstance(commands[0], command.Deny)
 
1211
        self.assertIsInstance(commands[1], command.Remove)
 
1212
 
 
1213
    def test_remove_short(self):
 
1214
        self.assert_command_from_args(["-r", "foo"], command.Remove)
 
1215
 
 
1216
    def test_dump_json(self):
 
1217
        self.assert_command_from_args(["--dump-json"],
 
1218
                                      command.DumpJSON)
 
1219
 
 
1220
    def test_enable(self):
 
1221
        self.assert_command_from_args(["--enable", "foo"],
 
1222
                                      command.Enable)
 
1223
 
 
1224
    def test_enable_short(self):
 
1225
        self.assert_command_from_args(["-e", "foo"], command.Enable)
 
1226
 
 
1227
    def test_disable(self):
 
1228
        self.assert_command_from_args(["--disable", "foo"],
 
1229
                                      command.Disable)
 
1230
 
 
1231
    def test_disable_short(self):
 
1232
        self.assert_command_from_args(["-d", "foo"], command.Disable)
 
1233
 
 
1234
    def test_bump_timeout(self):
 
1235
        self.assert_command_from_args(["--bump-timeout", "foo"],
 
1236
                                      command.BumpTimeout)
 
1237
 
 
1238
    def test_bump_timeout_short(self):
 
1239
        self.assert_command_from_args(["-b", "foo"],
 
1240
                                      command.BumpTimeout)
 
1241
 
 
1242
    def test_start_checker(self):
 
1243
        self.assert_command_from_args(["--start-checker", "foo"],
 
1244
                                      command.StartChecker)
 
1245
 
 
1246
    def test_stop_checker(self):
 
1247
        self.assert_command_from_args(["--stop-checker", "foo"],
 
1248
                                      command.StopChecker)
 
1249
 
 
1250
    def test_approve_by_default(self):
 
1251
        self.assert_command_from_args(["--approve-by-default", "foo"],
 
1252
                                      command.ApproveByDefault)
 
1253
 
 
1254
    def test_deny_by_default(self):
 
1255
        self.assert_command_from_args(["--deny-by-default", "foo"],
 
1256
                                      command.DenyByDefault)
 
1257
 
 
1258
    def test_checker(self):
 
1259
        self.assert_command_from_args(["--checker", ":", "foo"],
 
1260
                                      command.SetChecker,
 
1261
                                      value_to_set=":")
 
1262
 
 
1263
    def test_checker_empty(self):
 
1264
        self.assert_command_from_args(["--checker", "", "foo"],
 
1265
                                      command.SetChecker,
 
1266
                                      value_to_set="")
 
1267
 
 
1268
    def test_checker_short(self):
 
1269
        self.assert_command_from_args(["-c", ":", "foo"],
 
1270
                                      command.SetChecker,
 
1271
                                      value_to_set=":")
 
1272
 
 
1273
    def test_host(self):
 
1274
        self.assert_command_from_args(["--host", "foo.example.org",
 
1275
                                       "foo"], command.SetHost,
 
1276
                                      value_to_set="foo.example.org")
 
1277
 
 
1278
    def test_host_short(self):
 
1279
        self.assert_command_from_args(["-H", "foo.example.org",
 
1280
                                       "foo"], command.SetHost,
 
1281
                                      value_to_set="foo.example.org")
 
1282
 
 
1283
    def test_secret_devnull(self):
 
1284
        self.assert_command_from_args(["--secret", os.path.devnull,
 
1285
                                       "foo"], command.SetSecret,
 
1286
                                      value_to_set=b"")
 
1287
 
 
1288
    def test_secret_tempfile(self):
 
1289
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1290
            value = b"secret\0xyzzy\nbar"
 
1291
            f.write(value)
 
1292
            f.seek(0)
 
1293
            self.assert_command_from_args(["--secret", f.name,
 
1294
                                           "foo"], command.SetSecret,
 
1295
                                          value_to_set=value)
 
1296
 
 
1297
    def test_secret_devnull_short(self):
 
1298
        self.assert_command_from_args(["-s", os.path.devnull, "foo"],
 
1299
                                      command.SetSecret,
 
1300
                                      value_to_set=b"")
 
1301
 
 
1302
    def test_secret_tempfile_short(self):
 
1303
        with tempfile.NamedTemporaryFile(mode="r+b") as f:
 
1304
            value = b"secret\0xyzzy\nbar"
 
1305
            f.write(value)
 
1306
            f.seek(0)
 
1307
            self.assert_command_from_args(["-s", f.name, "foo"],
 
1308
                                          command.SetSecret,
 
1309
                                          value_to_set=value)
 
1310
 
 
1311
    def test_timeout(self):
 
1312
        self.assert_command_from_args(["--timeout", "PT5M", "foo"],
 
1313
                                      command.SetTimeout,
 
1314
                                      value_to_set=300000)
 
1315
 
 
1316
    def test_timeout_short(self):
 
1317
        self.assert_command_from_args(["-t", "PT5M", "foo"],
 
1318
                                      command.SetTimeout,
 
1319
                                      value_to_set=300000)
 
1320
 
 
1321
    def test_extended_timeout(self):
 
1322
        self.assert_command_from_args(["--extended-timeout", "PT15M",
 
1323
                                       "foo"],
 
1324
                                      command.SetExtendedTimeout,
 
1325
                                      value_to_set=900000)
 
1326
 
 
1327
    def test_interval(self):
 
1328
        self.assert_command_from_args(["--interval", "PT2M", "foo"],
 
1329
                                      command.SetInterval,
 
1330
                                      value_to_set=120000)
 
1331
 
 
1332
    def test_interval_short(self):
 
1333
        self.assert_command_from_args(["-i", "PT2M", "foo"],
 
1334
                                      command.SetInterval,
 
1335
                                      value_to_set=120000)
 
1336
 
 
1337
    def test_approval_delay(self):
 
1338
        self.assert_command_from_args(["--approval-delay", "PT30S",
 
1339
                                       "foo"],
 
1340
                                      command.SetApprovalDelay,
 
1341
                                      value_to_set=30000)
 
1342
 
 
1343
    def test_approval_duration(self):
 
1344
        self.assert_command_from_args(["--approval-duration", "PT1S",
 
1345
                                       "foo"],
 
1346
                                      command.SetApprovalDuration,
 
1347
                                      value_to_set=1000)
 
1348
 
 
1349
    def test_print_table(self):
 
1350
        self.assert_command_from_args([], command.PrintTable,
 
1351
                                      verbose=False)
 
1352
 
 
1353
    def test_print_table_verbose(self):
 
1354
        self.assert_command_from_args(["--verbose"],
 
1355
                                      command.PrintTable,
 
1356
                                      verbose=True)
 
1357
 
 
1358
    def test_print_table_verbose_short(self):
 
1359
        self.assert_command_from_args(["-v"], command.PrintTable,
 
1360
                                      verbose=True)
 
1361
 
 
1362
 
 
1363
class TestCommand(unittest.TestCase):
 
1364
    """Abstract class for tests of command classes"""
 
1365
 
 
1366
    def setUp(self):
 
1367
        testcase = self
 
1368
        class MockClient(object):
 
1369
            def __init__(self, name, **attributes):
 
1370
                self.__dbus_object_path__ = "/clients/{}".format(name)
 
1371
                self.attributes = attributes
 
1372
                self.attributes["Name"] = name
 
1373
                self.calls = []
 
1374
            def Set(self, interface, propname, value, dbus_interface):
 
1375
                testcase.assertEqual(interface, client_dbus_interface)
 
1376
                testcase.assertEqual(dbus_interface,
 
1377
                                     dbus.PROPERTIES_IFACE)
 
1378
                self.attributes[propname] = value
 
1379
            def Get(self, interface, propname, dbus_interface):
 
1380
                testcase.assertEqual(interface, client_dbus_interface)
 
1381
                testcase.assertEqual(dbus_interface,
 
1382
                                     dbus.PROPERTIES_IFACE)
 
1383
                return self.attributes[propname]
 
1384
            def Approve(self, approve, dbus_interface):
 
1385
                testcase.assertEqual(dbus_interface,
 
1386
                                     client_dbus_interface)
 
1387
                self.calls.append(("Approve", (approve,
 
1388
                                               dbus_interface)))
 
1389
        self.client = MockClient(
 
1390
            "foo",
 
1391
            KeyID=("92ed150794387c03ce684574b1139a65"
 
1392
                   "94a34f895daaaf09fd8ea90a27cddb12"),
 
1393
            Secret=b"secret",
 
1394
            Host="foo.example.org",
 
1395
            Enabled=dbus.Boolean(True),
 
1396
            Timeout=300000,
 
1397
            LastCheckedOK="2019-02-03T00:00:00",
 
1398
            Created="2019-01-02T00:00:00",
 
1399
            Interval=120000,
 
1400
            Fingerprint=("778827225BA7DE539C5A"
 
1401
                         "7CFA59CFF7CDBD9A5920"),
 
1402
            CheckerRunning=dbus.Boolean(False),
 
1403
            LastEnabled="2019-01-03T00:00:00",
 
1404
            ApprovalPending=dbus.Boolean(False),
 
1405
            ApprovedByDefault=dbus.Boolean(True),
 
1406
            LastApprovalRequest="",
 
1407
            ApprovalDelay=0,
 
1408
            ApprovalDuration=1000,
 
1409
            Checker="fping -q -- %(host)s",
 
1410
            ExtendedTimeout=900000,
 
1411
            Expires="2019-02-04T00:00:00",
 
1412
            LastCheckerStatus=0)
 
1413
        self.other_client = MockClient(
 
1414
            "barbar",
 
1415
            KeyID=("0558568eedd67d622f5c83b35a115f79"
 
1416
                   "6ab612cff5ad227247e46c2b020f441c"),
 
1417
            Secret=b"secretbar",
 
1418
            Host="192.0.2.3",
 
1419
            Enabled=dbus.Boolean(True),
 
1420
            Timeout=300000,
 
1421
            LastCheckedOK="2019-02-04T00:00:00",
 
1422
            Created="2019-01-03T00:00:00",
 
1423
            Interval=120000,
 
1424
            Fingerprint=("3E393AEAEFB84C7E89E2"
 
1425
                         "F547B3A107558FCA3A27"),
 
1426
            CheckerRunning=dbus.Boolean(True),
 
1427
            LastEnabled="2019-01-04T00:00:00",
 
1428
            ApprovalPending=dbus.Boolean(False),
 
1429
            ApprovedByDefault=dbus.Boolean(False),
 
1430
            LastApprovalRequest="2019-01-03T00:00:00",
 
1431
            ApprovalDelay=30000,
 
1432
            ApprovalDuration=93785000,
 
1433
            Checker=":",
 
1434
            ExtendedTimeout=900000,
 
1435
            Expires="2019-02-05T00:00:00",
 
1436
            LastCheckerStatus=-2)
 
1437
        self.clients =  collections.OrderedDict(
 
1438
            [
 
1439
                ("/clients/foo", self.client.attributes),
 
1440
                ("/clients/barbar", self.other_client.attributes),
 
1441
            ])
 
1442
        self.one_client = {"/clients/foo": self.client.attributes}
 
1443
 
 
1444
    @property
 
1445
    def bus(self):
 
1446
        class Bus(object):
 
1447
            @staticmethod
 
1448
            def get_object(client_bus_name, path):
 
1449
                self.assertEqual(client_bus_name, dbus_busname)
 
1450
                return {
 
1451
                    # Note: "self" here is the TestCmd instance, not
 
1452
                    # the Bus instance, since this is a static method!
 
1453
                    "/clients/foo": self.client,
 
1454
                    "/clients/barbar": self.other_client,
 
1455
                }[path]
 
1456
        return Bus()
 
1457
 
 
1458
 
 
1459
class TestBaseCommands(TestCommand):
 
1460
 
 
1461
    def test_is_enabled(self):
 
1462
        self.assertTrue(all(command.IsEnabled().is_enabled(client,
 
1463
                                                      properties)
 
1464
                            for client, properties
 
1465
                            in self.clients.items()))
 
1466
 
 
1467
    def test_is_enabled_run_exits_successfully(self):
 
1468
        with self.assertRaises(SystemExit) as e:
 
1469
            command.IsEnabled().run(self.one_client)
 
1470
        if e.exception.code is not None:
 
1471
            self.assertEqual(e.exception.code, 0)
 
1472
        else:
 
1473
            self.assertIsNone(e.exception.code)
 
1474
 
 
1475
    def test_is_enabled_run_exits_with_failure(self):
 
1476
        self.client.attributes["Enabled"] = dbus.Boolean(False)
 
1477
        with self.assertRaises(SystemExit) as e:
 
1478
            command.IsEnabled().run(self.one_client)
 
1479
        if isinstance(e.exception.code, int):
 
1480
            self.assertNotEqual(e.exception.code, 0)
 
1481
        else:
 
1482
            self.assertIsNotNone(e.exception.code)
 
1483
 
 
1484
    def test_approve(self):
 
1485
        command.Approve().run(self.clients, self.bus)
 
1486
        for clientpath in self.clients:
 
1487
            client = self.bus.get_object(dbus_busname, clientpath)
 
1488
            self.assertIn(("Approve", (True, client_dbus_interface)),
 
1489
                          client.calls)
 
1490
 
 
1491
    def test_deny(self):
 
1492
        command.Deny().run(self.clients, self.bus)
 
1493
        for clientpath in self.clients:
 
1494
            client = self.bus.get_object(dbus_busname, clientpath)
 
1495
            self.assertIn(("Approve", (False, client_dbus_interface)),
 
1496
                          client.calls)
 
1497
 
 
1498
    def test_remove(self):
 
1499
        class MockMandos(object):
 
1500
            def __init__(self):
 
1501
                self.calls = []
 
1502
            def RemoveClient(self, dbus_path):
 
1503
                self.calls.append(("RemoveClient", (dbus_path,)))
 
1504
        mandos = MockMandos()
 
1505
        super(TestBaseCommands, self).setUp()
 
1506
        command.Remove().run(self.clients, self.bus, mandos)
 
1507
        self.assertEqual(len(mandos.calls), 2)
 
1508
        for clientpath in self.clients:
 
1509
            self.assertIn(("RemoveClient", (clientpath,)),
 
1510
                          mandos.calls)
 
1511
 
 
1512
    expected_json = {
 
1513
        "foo": {
 
1514
            "Name": "foo",
 
1515
            "KeyID": ("92ed150794387c03ce684574b1139a65"
 
1516
                      "94a34f895daaaf09fd8ea90a27cddb12"),
 
1517
            "Host": "foo.example.org",
 
1518
            "Enabled": True,
 
1519
            "Timeout": 300000,
 
1520
            "LastCheckedOK": "2019-02-03T00:00:00",
 
1521
            "Created": "2019-01-02T00:00:00",
 
1522
            "Interval": 120000,
 
1523
            "Fingerprint": ("778827225BA7DE539C5A"
 
1524
                            "7CFA59CFF7CDBD9A5920"),
 
1525
            "CheckerRunning": False,
 
1526
            "LastEnabled": "2019-01-03T00:00:00",
 
1527
            "ApprovalPending": False,
 
1528
            "ApprovedByDefault": True,
 
1529
            "LastApprovalRequest": "",
 
1530
            "ApprovalDelay": 0,
 
1531
            "ApprovalDuration": 1000,
 
1532
            "Checker": "fping -q -- %(host)s",
 
1533
            "ExtendedTimeout": 900000,
 
1534
            "Expires": "2019-02-04T00:00:00",
 
1535
            "LastCheckerStatus": 0,
 
1536
        },
 
1537
        "barbar": {
 
1538
            "Name": "barbar",
 
1539
            "KeyID": ("0558568eedd67d622f5c83b35a115f79"
 
1540
                      "6ab612cff5ad227247e46c2b020f441c"),
 
1541
            "Host": "192.0.2.3",
 
1542
            "Enabled": True,
 
1543
            "Timeout": 300000,
 
1544
            "LastCheckedOK": "2019-02-04T00:00:00",
 
1545
            "Created": "2019-01-03T00:00:00",
 
1546
            "Interval": 120000,
 
1547
            "Fingerprint": ("3E393AEAEFB84C7E89E2"
 
1548
                            "F547B3A107558FCA3A27"),
 
1549
            "CheckerRunning": True,
 
1550
            "LastEnabled": "2019-01-04T00:00:00",
 
1551
            "ApprovalPending": False,
 
1552
            "ApprovedByDefault": False,
 
1553
            "LastApprovalRequest": "2019-01-03T00:00:00",
 
1554
            "ApprovalDelay": 30000,
 
1555
            "ApprovalDuration": 93785000,
 
1556
            "Checker": ":",
 
1557
            "ExtendedTimeout": 900000,
 
1558
            "Expires": "2019-02-05T00:00:00",
 
1559
            "LastCheckerStatus": -2,
 
1560
        },
 
1561
    }
 
1562
 
 
1563
    def test_DumpJSON_normal(self):
 
1564
        output = command.DumpJSON().output(self.clients.values())
 
1565
        json_data = json.loads(output)
 
1566
        self.assertDictEqual(json_data, self.expected_json)
 
1567
 
 
1568
    def test_DumpJSON_one_client(self):
 
1569
        output = command.DumpJSON().output(self.one_client.values())
 
1570
        json_data = json.loads(output)
 
1571
        expected_json = {"foo": self.expected_json["foo"]}
 
1572
        self.assertDictEqual(json_data, expected_json)
 
1573
 
 
1574
    def test_PrintTable_normal(self):
 
1575
        output = command.PrintTable().output(self.clients.values())
 
1576
        expected_output = "\n".join((
 
1577
            "Name   Enabled Timeout  Last Successful Check",
 
1578
            "foo    Yes     00:05:00 2019-02-03T00:00:00  ",
 
1579
            "barbar Yes     00:05:00 2019-02-04T00:00:00  ",
 
1580
        ))
 
1581
        self.assertEqual(output, expected_output)
 
1582
 
 
1583
    def test_PrintTable_verbose(self):
 
1584
        output = command.PrintTable(verbose=True).output(
 
1585
            self.clients.values())
 
1586
        columns = (
 
1587
            (
 
1588
                "Name   ",
 
1589
                "foo    ",
 
1590
                "barbar ",
 
1591
            ),(
 
1592
                "Enabled ",
 
1593
                "Yes     ",
 
1594
                "Yes     ",
 
1595
            ),(
 
1596
                "Timeout  ",
 
1597
                "00:05:00 ",
 
1598
                "00:05:00 ",
 
1599
            ),(
 
1600
                "Last Successful Check ",
 
1601
                "2019-02-03T00:00:00   ",
 
1602
                "2019-02-04T00:00:00   ",
 
1603
            ),(
 
1604
                "Created             ",
 
1605
                "2019-01-02T00:00:00 ",
 
1606
                "2019-01-03T00:00:00 ",
 
1607
            ),(
 
1608
                "Interval ",
 
1609
                "00:02:00 ",
 
1610
                "00:02:00 ",
 
1611
            ),(
 
1612
                "Host            ",
 
1613
                "foo.example.org ",
 
1614
                "192.0.2.3       ",
 
1615
            ),(
 
1616
                ("Key ID                                             "
 
1617
                 "              "),
 
1618
                ("92ed150794387c03ce684574b1139a6594a34f895daaaf09fd8"
 
1619
                 "ea90a27cddb12 "),
 
1620
                ("0558568eedd67d622f5c83b35a115f796ab612cff5ad227247e"
 
1621
                 "46c2b020f441c "),
 
1622
            ),(
 
1623
                "Fingerprint                              ",
 
1624
                "778827225BA7DE539C5A7CFA59CFF7CDBD9A5920 ",
 
1625
                "3E393AEAEFB84C7E89E2F547B3A107558FCA3A27 ",
 
1626
            ),(
 
1627
                "Check Is Running ",
 
1628
                "No               ",
 
1629
                "Yes              ",
 
1630
            ),(
 
1631
                "Last Enabled        ",
 
1632
                "2019-01-03T00:00:00 ",
 
1633
                "2019-01-04T00:00:00 ",
 
1634
            ),(
 
1635
                "Approval Is Pending ",
 
1636
                "No                  ",
 
1637
                "No                  ",
 
1638
            ),(
 
1639
                "Approved By Default ",
 
1640
                "Yes                 ",
 
1641
                "No                  ",
 
1642
            ),(
 
1643
                "Last Approval Request ",
 
1644
                "                      ",
 
1645
                "2019-01-03T00:00:00   ",
 
1646
            ),(
 
1647
                "Approval Delay ",
 
1648
                "00:00:00       ",
 
1649
                "00:00:30       ",
 
1650
            ),(
 
1651
                "Approval Duration ",
 
1652
                "00:00:01          ",
 
1653
                "1T02:03:05        ",
 
1654
            ),(
 
1655
                "Checker              ",
 
1656
                "fping -q -- %(host)s ",
 
1657
                ":                    ",
 
1658
            ),(
 
1659
                "Extended Timeout ",
 
1660
                "00:15:00         ",
 
1661
                "00:15:00         ",
 
1662
            ),(
 
1663
                "Expires             ",
 
1664
                "2019-02-04T00:00:00 ",
 
1665
                "2019-02-05T00:00:00 ",
 
1666
            ),(
 
1667
                "Last Checker Status",
 
1668
                "0                  ",
 
1669
                "-2                 ",
 
1670
            )
 
1671
        )
 
1672
        num_lines = max(len(rows) for rows in columns)
 
1673
        expected_output = "\n".join("".join(rows[line]
 
1674
                                            for rows in columns)
 
1675
                                    for line in range(num_lines))
 
1676
        self.assertEqual(output, expected_output)
 
1677
 
 
1678
    def test_PrintTable_one_client(self):
 
1679
        output = command.PrintTable().output(self.one_client.values())
 
1680
        expected_output = "\n".join((
 
1681
            "Name Enabled Timeout  Last Successful Check",
 
1682
            "foo  Yes     00:05:00 2019-02-03T00:00:00  ",
 
1683
        ))
 
1684
        self.assertEqual(output, expected_output)
 
1685
 
 
1686
 
 
1687
class TestPropertyCmd(TestCommand):
 
1688
    """Abstract class for tests of command.Property classes"""
 
1689
    def runTest(self):
 
1690
        if not hasattr(self, "command"):
 
1691
            return
 
1692
        values_to_get = getattr(self, "values_to_get",
 
1693
                                self.values_to_set)
 
1694
        for value_to_set, value_to_get in zip(self.values_to_set,
 
1695
                                              values_to_get):
 
1696
            for clientpath in self.clients:
 
1697
                client = self.bus.get_object(dbus_busname, clientpath)
 
1698
                old_value = client.attributes[self.propname]
 
1699
                self.assertNotIsInstance(old_value, self.Unique)
 
1700
                client.attributes[self.propname] = self.Unique()
 
1701
            self.run_command(value_to_set, self.clients)
 
1702
            for clientpath in self.clients:
 
1703
                client = self.bus.get_object(dbus_busname, clientpath)
 
1704
                value = client.attributes[self.propname]
 
1705
                self.assertNotIsInstance(value, self.Unique)
 
1706
                self.assertEqual(value, value_to_get)
 
1707
 
 
1708
    class Unique(object):
 
1709
        """Class for objects which exist only to be unique objects,
 
1710
since unittest.mock.sentinel only exists in Python 3.3"""
 
1711
 
 
1712
    def run_command(self, value, clients):
 
1713
        self.command().run(clients, self.bus)
 
1714
 
 
1715
 
 
1716
class TestEnableCmd(TestPropertyCmd):
 
1717
    command = command.Enable
 
1718
    propname = "Enabled"
 
1719
    values_to_set = [dbus.Boolean(True)]
 
1720
 
 
1721
 
 
1722
class TestDisableCmd(TestPropertyCmd):
 
1723
    command = command.Disable
 
1724
    propname = "Enabled"
 
1725
    values_to_set = [dbus.Boolean(False)]
 
1726
 
 
1727
 
 
1728
class TestBumpTimeoutCmd(TestPropertyCmd):
 
1729
    command = command.BumpTimeout
 
1730
    propname = "LastCheckedOK"
 
1731
    values_to_set = [""]
 
1732
 
 
1733
 
 
1734
class TestStartCheckerCmd(TestPropertyCmd):
 
1735
    command = command.StartChecker
 
1736
    propname = "CheckerRunning"
 
1737
    values_to_set = [dbus.Boolean(True)]
 
1738
 
 
1739
 
 
1740
class TestStopCheckerCmd(TestPropertyCmd):
 
1741
    command = command.StopChecker
 
1742
    propname = "CheckerRunning"
 
1743
    values_to_set = [dbus.Boolean(False)]
 
1744
 
 
1745
 
 
1746
class TestApproveByDefaultCmd(TestPropertyCmd):
 
1747
    command = command.ApproveByDefault
 
1748
    propname = "ApprovedByDefault"
 
1749
    values_to_set = [dbus.Boolean(True)]
 
1750
 
 
1751
 
 
1752
class TestDenyByDefaultCmd(TestPropertyCmd):
 
1753
    command = command.DenyByDefault
 
1754
    propname = "ApprovedByDefault"
 
1755
    values_to_set = [dbus.Boolean(False)]
 
1756
 
 
1757
 
 
1758
class TestPropertyValueCmd(TestPropertyCmd):
 
1759
    """Abstract class for tests of PropertyValueCmd classes"""
 
1760
 
 
1761
    def runTest(self):
 
1762
        if type(self) is TestPropertyValueCmd:
 
1763
            return
 
1764
        return super(TestPropertyValueCmd, self).runTest()
 
1765
 
 
1766
    def run_command(self, value, clients):
 
1767
        self.command(value).run(clients, self.bus)
 
1768
 
 
1769
 
 
1770
class TestSetCheckerCmd(TestPropertyValueCmd):
 
1771
    command = command.SetChecker
 
1772
    propname = "Checker"
 
1773
    values_to_set = ["", ":", "fping -q -- %s"]
 
1774
 
 
1775
 
 
1776
class TestSetHostCmd(TestPropertyValueCmd):
 
1777
    command = command.SetHost
 
1778
    propname = "Host"
 
1779
    values_to_set = ["192.0.2.3", "foo.example.org"]
 
1780
 
 
1781
 
 
1782
class TestSetSecretCmd(TestPropertyValueCmd):
 
1783
    command = command.SetSecret
 
1784
    propname = "Secret"
 
1785
    values_to_set = [io.BytesIO(b""),
 
1786
                     io.BytesIO(b"secret\0xyzzy\nbar")]
 
1787
    values_to_get = [b"", b"secret\0xyzzy\nbar"]
 
1788
 
 
1789
 
 
1790
class TestSetTimeoutCmd(TestPropertyValueCmd):
 
1791
    command = command.SetTimeout
 
1792
    propname = "Timeout"
 
1793
    values_to_set = [datetime.timedelta(),
 
1794
                     datetime.timedelta(minutes=5),
 
1795
                     datetime.timedelta(seconds=1),
 
1796
                     datetime.timedelta(weeks=1),
 
1797
                     datetime.timedelta(weeks=52)]
 
1798
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1799
 
 
1800
 
 
1801
class TestSetExtendedTimeoutCmd(TestPropertyValueCmd):
 
1802
    command = command.SetExtendedTimeout
 
1803
    propname = "ExtendedTimeout"
 
1804
    values_to_set = [datetime.timedelta(),
 
1805
                     datetime.timedelta(minutes=5),
 
1806
                     datetime.timedelta(seconds=1),
 
1807
                     datetime.timedelta(weeks=1),
 
1808
                     datetime.timedelta(weeks=52)]
 
1809
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1810
 
 
1811
 
 
1812
class TestSetIntervalCmd(TestPropertyValueCmd):
 
1813
    command = command.SetInterval
 
1814
    propname = "Interval"
 
1815
    values_to_set = [datetime.timedelta(),
 
1816
                     datetime.timedelta(minutes=5),
 
1817
                     datetime.timedelta(seconds=1),
 
1818
                     datetime.timedelta(weeks=1),
 
1819
                     datetime.timedelta(weeks=52)]
 
1820
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1821
 
 
1822
 
 
1823
class TestSetApprovalDelayCmd(TestPropertyValueCmd):
 
1824
    command = command.SetApprovalDelay
 
1825
    propname = "ApprovalDelay"
 
1826
    values_to_set = [datetime.timedelta(),
 
1827
                     datetime.timedelta(minutes=5),
 
1828
                     datetime.timedelta(seconds=1),
 
1829
                     datetime.timedelta(weeks=1),
 
1830
                     datetime.timedelta(weeks=52)]
 
1831
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1832
 
 
1833
 
 
1834
class TestSetApprovalDurationCmd(TestPropertyValueCmd):
 
1835
    command = command.SetApprovalDuration
 
1836
    propname = "ApprovalDuration"
 
1837
    values_to_set = [datetime.timedelta(),
 
1838
                     datetime.timedelta(minutes=5),
 
1839
                     datetime.timedelta(seconds=1),
 
1840
                     datetime.timedelta(weeks=1),
 
1841
                     datetime.timedelta(weeks=52)]
 
1842
    values_to_get = [0, 300000, 1000, 604800000, 31449600000]
 
1843
 
 
1844
 
 
1845
 
 
1846
def should_only_run_tests():
 
1847
    parser = argparse.ArgumentParser(add_help=False)
 
1848
    parser.add_argument("--check", action='store_true')
 
1849
    args, unknown_args = parser.parse_known_args()
 
1850
    run_tests = args.check
 
1851
    if run_tests:
 
1852
        # Remove --check argument from sys.argv
 
1853
        sys.argv[1:] = unknown_args
 
1854
    return run_tests
 
1855
 
 
1856
# Add all tests from doctest strings
 
1857
def load_tests(loader, tests, none):
 
1858
    import doctest
 
1859
    tests.addTests(doctest.DocTestSuite())
 
1860
    return tests
 
1861
 
 
1862
if __name__ == "__main__":
 
1863
    try:
 
1864
        if should_only_run_tests():
 
1865
            # Call using ./tdd-python-script --check [--verbose]
 
1866
            unittest.main()
 
1867
        else:
 
1868
            main()
 
1869
    finally:
 
1870
        logging.shutdown()