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  • Committer: Teddy Hogeborn
  • Date: 2019-03-02 02:17:17 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 382.
  • Revision ID: teddy@recompile.se-20190302021717-kzk7xwjtef3syau6
mandos-ctl: Refactor

* mandos-ctl (TableOfClients.rows): Extract methods.
  (TableOfClients.row_formatting_string): New.
  (TableOfClients.string_from_client): New.
  (TableOfClients.header_line): New.
  (TableOfClients.client_line): New.

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mandos-ctl
1
1
#!/usr/bin/python
2
 
# -*- mode: python; coding: utf-8 -*-
3
 
# 
 
2
# -*- mode: python; coding: utf-8; after-save-hook: (lambda () (let ((command (if (and (boundp 'tramp-file-name-structure) (string-match (car tramp-file-name-structure) (buffer-file-name))) (tramp-file-name-localname (tramp-dissect-file-name (buffer-file-name))) (buffer-file-name)))) (if (= (shell-command (format "%s --check" (shell-quote-argument command)) "*Test*") 0) (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)) (kill-buffer "*Test*")) (display-buffer "*Test*")))); -*-
 
3
#
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
 
# 
6
 
# Copyright © 2008-2010 Teddy Hogeborn
7
 
# Copyright © 2008-2010 Björn Påhlsson
8
 
# 
9
 
# This program is free software: you can redistribute it and/or modify
10
 
# it under the terms of the GNU General Public License as published by
 
5
#
 
6
# Copyright © 2008-2019 Teddy Hogeborn
 
7
# Copyright © 2008-2019 Björn Påhlsson
 
8
#
 
9
# This file is part of Mandos.
 
10
#
 
11
# Mandos is free software: you can redistribute it and/or modify it
 
12
# under the terms of the GNU General Public License as published by
11
13
# the Free Software Foundation, either version 3 of the License, or
12
14
# (at your option) any later version.
13
15
#
14
 
#     This program is distributed in the hope that it will be useful,
15
 
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
 
16
#     Mandos is distributed in the hope that it will be useful, but
 
17
#     WITHOUT ANY WARRANTY; without even the implied warranty of
16
18
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
19
#     GNU General Public License for more details.
18
 
# 
 
20
#
19
21
# You should have received a copy of the GNU General Public License
20
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21
 
# 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
23
 
# 
24
 
 
25
 
from __future__ import division
 
22
# along with Mandos.  If not, see <http://www.gnu.org/licenses/>.
 
23
#
 
24
# Contact the authors at <mandos@recompile.se>.
 
25
#
 
26
 
 
27
from __future__ import (division, absolute_import, print_function,
 
28
                        unicode_literals)
 
29
 
 
30
try:
 
31
    from future_builtins import *
 
32
except ImportError:
 
33
    pass
 
34
 
26
35
import sys
27
 
import dbus
28
 
from optparse import OptionParser
 
36
import argparse
29
37
import locale
30
38
import datetime
31
39
import re
32
40
import os
33
 
 
34
 
locale.setlocale(locale.LC_ALL, u'')
35
 
 
36
 
tablewords = {
37
 
    'Name': u'Name',
38
 
    'Enabled': u'Enabled',
39
 
    'Timeout': u'Timeout',
40
 
    'LastCheckedOK': u'Last Successful Check',
41
 
    'LastApprovalRequest': u'Last Approval Request',
42
 
    'Created': u'Created',
43
 
    'Interval': u'Interval',
44
 
    'Host': u'Host',
45
 
    'Fingerprint': u'Fingerprint',
46
 
    'CheckerRunning': u'Check Is Running',
47
 
    'LastEnabled': u'Last Enabled',
48
 
    'ApprovalPending': u'Approval Is Pending',
49
 
    'ApprovedByDefault': u'Approved By Default',
50
 
    'ApprovalDelay': u"Approval Delay",
51
 
    'ApprovalDuration': u"Approval Duration",
52
 
    'Checker': u'Checker',
53
 
    }
54
 
defaultkeywords = ('Name', 'Enabled', 'Timeout', 'LastCheckedOK')
55
 
domain = 'se.bsnet.fukt'
56
 
busname = domain + '.Mandos'
57
 
server_path = '/'
58
 
server_interface = domain + '.Mandos'
59
 
client_interface = domain + '.Mandos.Client'
60
 
version = "1.2"
61
 
 
62
 
def timedelta_to_milliseconds(td):
63
 
    "Convert a datetime.timedelta object to milliseconds"
64
 
    return ((td.days * 24 * 60 * 60 * 1000)
65
 
            + (td.seconds * 1000)
66
 
            + (td.microseconds // 1000))
 
41
import collections
 
42
import json
 
43
import unittest
 
44
import logging
 
45
 
 
46
import dbus
 
47
 
 
48
# Show warnings by default
 
49
if not sys.warnoptions:
 
50
    import warnings
 
51
    warnings.simplefilter("default")
 
52
 
 
53
log = logging.getLogger(sys.argv[0])
 
54
logging.basicConfig(level="INFO", # Show info level messages
 
55
                    format="%(message)s") # Show basic log messages
 
56
 
 
57
logging.captureWarnings(True)   # Show warnings via the logging system
 
58
 
 
59
if sys.version_info.major == 2:
 
60
    str = unicode
 
61
 
 
62
locale.setlocale(locale.LC_ALL, "")
 
63
 
 
64
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
 
65
domain = "se.recompile"
 
66
busname = domain + ".Mandos"
 
67
server_path = "/"
 
68
server_interface = domain + ".Mandos"
 
69
client_interface = domain + ".Mandos.Client"
 
70
version = "1.8.3"
 
71
 
 
72
 
 
73
try:
 
74
    dbus.OBJECT_MANAGER_IFACE
 
75
except AttributeError:
 
76
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
77
 
67
78
 
68
79
def milliseconds_to_string(ms):
69
80
    td = datetime.timedelta(0, 0, 0, ms)
70
 
    return (u"%(days)s%(hours)02d:%(minutes)02d:%(seconds)02d"
71
 
            % { "days": "%dT" % td.days if td.days else "",
72
 
                "hours": td.seconds // 3600,
73
 
                "minutes": (td.seconds % 3600) // 60,
74
 
                "seconds": td.seconds % 60,
75
 
                })
 
81
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
82
            .format(days="{}T".format(td.days) if td.days else "",
 
83
                    hours=td.seconds // 3600,
 
84
                    minutes=(td.seconds % 3600) // 60,
 
85
                    seconds=td.seconds % 60))
 
86
 
 
87
 
 
88
def rfc3339_duration_to_delta(duration):
 
89
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
 
90
 
 
91
    >>> rfc3339_duration_to_delta("P7D")
 
92
    datetime.timedelta(7)
 
93
    >>> rfc3339_duration_to_delta("PT60S")
 
94
    datetime.timedelta(0, 60)
 
95
    >>> rfc3339_duration_to_delta("PT60M")
 
96
    datetime.timedelta(0, 3600)
 
97
    >>> rfc3339_duration_to_delta("P60M")
 
98
    datetime.timedelta(1680)
 
99
    >>> rfc3339_duration_to_delta("PT24H")
 
100
    datetime.timedelta(1)
 
101
    >>> rfc3339_duration_to_delta("P1W")
 
102
    datetime.timedelta(7)
 
103
    >>> rfc3339_duration_to_delta("PT5M30S")
 
104
    datetime.timedelta(0, 330)
 
105
    >>> rfc3339_duration_to_delta("P1DT3M20S")
 
106
    datetime.timedelta(1, 200)
 
107
    >>> # Can not be empty:
 
108
    >>> rfc3339_duration_to_delta("")
 
109
    Traceback (most recent call last):
 
110
    ...
 
111
    ValueError: Invalid RFC 3339 duration: u''
 
112
    >>> # Must start with "P":
 
113
    >>> rfc3339_duration_to_delta("1D")
 
114
    Traceback (most recent call last):
 
115
    ...
 
116
    ValueError: Invalid RFC 3339 duration: u'1D'
 
117
    >>> # Must use correct order
 
118
    >>> rfc3339_duration_to_delta("PT1S2M")
 
119
    Traceback (most recent call last):
 
120
    ...
 
121
    ValueError: Invalid RFC 3339 duration: u'PT1S2M'
 
122
    >>> # Time needs time marker
 
123
    >>> rfc3339_duration_to_delta("P1H2S")
 
124
    Traceback (most recent call last):
 
125
    ...
 
126
    ValueError: Invalid RFC 3339 duration: u'P1H2S'
 
127
    >>> # Weeks can not be combined with anything else
 
128
    >>> rfc3339_duration_to_delta("P1D2W")
 
129
    Traceback (most recent call last):
 
130
    ...
 
131
    ValueError: Invalid RFC 3339 duration: u'P1D2W'
 
132
    >>> rfc3339_duration_to_delta("P2W2H")
 
133
    Traceback (most recent call last):
 
134
    ...
 
135
    ValueError: Invalid RFC 3339 duration: u'P2W2H'
 
136
    """
 
137
 
 
138
    # Parsing an RFC 3339 duration with regular expressions is not
 
139
    # possible - there would have to be multiple places for the same
 
140
    # values, like seconds.  The current code, while more esoteric, is
 
141
    # cleaner without depending on a parsing library.  If Python had a
 
142
    # built-in library for parsing we would use it, but we'd like to
 
143
    # avoid excessive use of external libraries.
 
144
 
 
145
    # New type for defining tokens, syntax, and semantics all-in-one
 
146
    Token = collections.namedtuple("Token", (
 
147
        "regexp",  # To match token; if "value" is not None, must have
 
148
                   # a "group" containing digits
 
149
        "value",   # datetime.timedelta or None
 
150
        "followers"))           # Tokens valid after this token
 
151
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
 
152
    # the "duration" ABNF definition in RFC 3339, Appendix A.
 
153
    token_end = Token(re.compile(r"$"), None, frozenset())
 
154
    token_second = Token(re.compile(r"(\d+)S"),
 
155
                         datetime.timedelta(seconds=1),
 
156
                         frozenset((token_end, )))
 
157
    token_minute = Token(re.compile(r"(\d+)M"),
 
158
                         datetime.timedelta(minutes=1),
 
159
                         frozenset((token_second, token_end)))
 
160
    token_hour = Token(re.compile(r"(\d+)H"),
 
161
                       datetime.timedelta(hours=1),
 
162
                       frozenset((token_minute, token_end)))
 
163
    token_time = Token(re.compile(r"T"),
 
164
                       None,
 
165
                       frozenset((token_hour, token_minute,
 
166
                                  token_second)))
 
167
    token_day = Token(re.compile(r"(\d+)D"),
 
168
                      datetime.timedelta(days=1),
 
169
                      frozenset((token_time, token_end)))
 
170
    token_month = Token(re.compile(r"(\d+)M"),
 
171
                        datetime.timedelta(weeks=4),
 
172
                        frozenset((token_day, token_end)))
 
173
    token_year = Token(re.compile(r"(\d+)Y"),
 
174
                       datetime.timedelta(weeks=52),
 
175
                       frozenset((token_month, token_end)))
 
176
    token_week = Token(re.compile(r"(\d+)W"),
 
177
                       datetime.timedelta(weeks=1),
 
178
                       frozenset((token_end, )))
 
179
    token_duration = Token(re.compile(r"P"), None,
 
180
                           frozenset((token_year, token_month,
 
181
                                      token_day, token_time,
 
182
                                      token_week)))
 
183
    # Define starting values:
 
184
    # Value so far
 
185
    value = datetime.timedelta()
 
186
    found_token = None
 
187
    # Following valid tokens
 
188
    followers = frozenset((token_duration, ))
 
189
    # String left to parse
 
190
    s = duration
 
191
    # Loop until end token is found
 
192
    while found_token is not token_end:
 
193
        # Search for any currently valid tokens
 
194
        for token in followers:
 
195
            match = token.regexp.match(s)
 
196
            if match is not None:
 
197
                # Token found
 
198
                if token.value is not None:
 
199
                    # Value found, parse digits
 
200
                    factor = int(match.group(1), 10)
 
201
                    # Add to value so far
 
202
                    value += factor * token.value
 
203
                # Strip token from string
 
204
                s = token.regexp.sub("", s, 1)
 
205
                # Go to found token
 
206
                found_token = token
 
207
                # Set valid next tokens
 
208
                followers = found_token.followers
 
209
                break
 
210
        else:
 
211
            # No currently valid tokens were found
 
212
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
213
                             .format(duration))
 
214
    # End token found
 
215
    return value
76
216
 
77
217
 
78
218
def string_to_delta(interval):
79
219
    """Parse a string and return a datetime.timedelta
80
 
 
81
 
    >>> string_to_delta('7d')
 
220
    """
 
221
 
 
222
    try:
 
223
        return rfc3339_duration_to_delta(interval)
 
224
    except ValueError as e:
 
225
        log.warning("%s - Parsing as pre-1.6.1 interval instead",
 
226
                    ' '.join(e.args))
 
227
    return parse_pre_1_6_1_interval(interval)
 
228
 
 
229
 
 
230
def parse_pre_1_6_1_interval(interval):
 
231
    """Parse an interval string as documented by Mandos before 1.6.1, and
 
232
    return a datetime.timedelta
 
233
    >>> parse_pre_1_6_1_interval('7d')
82
234
    datetime.timedelta(7)
83
 
    >>> string_to_delta('60s')
 
235
    >>> parse_pre_1_6_1_interval('60s')
84
236
    datetime.timedelta(0, 60)
85
 
    >>> string_to_delta('60m')
 
237
    >>> parse_pre_1_6_1_interval('60m')
86
238
    datetime.timedelta(0, 3600)
87
 
    >>> string_to_delta('24h')
 
239
    >>> parse_pre_1_6_1_interval('24h')
88
240
    datetime.timedelta(1)
89
 
    >>> string_to_delta(u'1w')
 
241
    >>> parse_pre_1_6_1_interval('1w')
90
242
    datetime.timedelta(7)
91
 
    >>> string_to_delta('5m 30s')
 
243
    >>> parse_pre_1_6_1_interval('5m 30s')
92
244
    datetime.timedelta(0, 330)
 
245
    >>> parse_pre_1_6_1_interval('')
 
246
    datetime.timedelta(0)
 
247
    >>> # Ignore unknown characters, allow any order and repetitions
 
248
    >>> parse_pre_1_6_1_interval('2dxy7zz11y3m5m')
 
249
    datetime.timedelta(2, 480, 18000)
 
250
 
93
251
    """
94
 
    timevalue = datetime.timedelta(0)
95
 
    regexp = re.compile("\d+[dsmhw]")
96
 
    
97
 
    for s in regexp.findall(interval):
98
 
        try:
99
 
            suffix = unicode(s[-1])
100
 
            value = int(s[:-1])
101
 
            if suffix == u"d":
102
 
                delta = datetime.timedelta(value)
103
 
            elif suffix == u"s":
104
 
                delta = datetime.timedelta(0, value)
105
 
            elif suffix == u"m":
106
 
                delta = datetime.timedelta(0, 0, 0, 0, value)
107
 
            elif suffix == u"h":
108
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
109
 
            elif suffix == u"w":
110
 
                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
111
 
            else:
112
 
                raise ValueError
113
 
        except (ValueError, IndexError):
114
 
            raise ValueError
115
 
        timevalue += delta
116
 
    return timevalue
 
252
 
 
253
    value = datetime.timedelta(0)
 
254
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
255
 
 
256
    for num, suffix in regexp.findall(interval):
 
257
        if suffix == "d":
 
258
            value += datetime.timedelta(int(num))
 
259
        elif suffix == "s":
 
260
            value += datetime.timedelta(0, int(num))
 
261
        elif suffix == "m":
 
262
            value += datetime.timedelta(0, 0, 0, 0, int(num))
 
263
        elif suffix == "h":
 
264
            value += datetime.timedelta(0, 0, 0, 0, 0, int(num))
 
265
        elif suffix == "w":
 
266
            value += datetime.timedelta(0, 0, 0, 0, 0, 0, int(num))
 
267
        elif suffix == "":
 
268
            value += datetime.timedelta(0, 0, 0, int(num))
 
269
    return value
 
270
 
117
271
 
118
272
def print_clients(clients, keywords):
 
273
    print('\n'.join(TableOfClients(clients, keywords).rows()))
 
274
 
 
275
class TableOfClients(object):
 
276
    tablewords = {
 
277
        "Name": "Name",
 
278
        "Enabled": "Enabled",
 
279
        "Timeout": "Timeout",
 
280
        "LastCheckedOK": "Last Successful Check",
 
281
        "LastApprovalRequest": "Last Approval Request",
 
282
        "Created": "Created",
 
283
        "Interval": "Interval",
 
284
        "Host": "Host",
 
285
        "Fingerprint": "Fingerprint",
 
286
        "KeyID": "Key ID",
 
287
        "CheckerRunning": "Check Is Running",
 
288
        "LastEnabled": "Last Enabled",
 
289
        "ApprovalPending": "Approval Is Pending",
 
290
        "ApprovedByDefault": "Approved By Default",
 
291
        "ApprovalDelay": "Approval Delay",
 
292
        "ApprovalDuration": "Approval Duration",
 
293
        "Checker": "Checker",
 
294
        "ExtendedTimeout": "Extended Timeout",
 
295
        "Expires": "Expires",
 
296
        "LastCheckerStatus": "Last Checker Status",
 
297
    }
 
298
 
 
299
    def __init__(self, clients, keywords, tablewords=None):
 
300
        self.clients = clients
 
301
        self.keywords = keywords
 
302
        if tablewords is not None:
 
303
            self.tablewords = tablewords
 
304
 
 
305
    def rows(self):
 
306
        format_string = self.row_formatting_string()
 
307
        rows = [self.header_line(format_string)]
 
308
        rows.extend(self.client_line(client, format_string)
 
309
                    for client in self.clients)
 
310
        return rows
 
311
 
 
312
    def row_formatting_string(self):
 
313
        "Format string used to format table rows"
 
314
        return " ".join("{{{key}:{width}}}".format(
 
315
            width=max(len(self.tablewords[key]),
 
316
                      max(len(self.string_from_client(client, key))
 
317
                          for client in self.clients)),
 
318
            key=key)
 
319
                                 for key in self.keywords)
 
320
 
 
321
    def string_from_client(self, client, key):
 
322
        return self.valuetostring(client[key], key)
 
323
 
 
324
    @staticmethod
119
325
    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"):
 
326
        if isinstance(value, dbus.Boolean):
 
327
            return "Yes" if value else "No"
 
328
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
 
329
                       "ApprovalDuration", "ExtendedTimeout"):
124
330
            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)
 
331
        return str(value)
 
332
 
 
333
    def header_line(self, format_string):
 
334
        return format_string.format(**self.tablewords)
 
335
 
 
336
    def client_line(self, client, format_string):
 
337
        return format_string.format(
 
338
            **{key: self.string_from_client(client, key)
 
339
               for key in self.keywords})
 
340
 
140
341
 
141
342
def has_actions(options):
142
343
    return any((options.enable,
148
349
                options.remove,
149
350
                options.checker is not None,
150
351
                options.timeout is not None,
 
352
                options.extended_timeout is not None,
151
353
                options.interval is not None,
152
354
                options.approved_by_default is not None,
153
355
                options.approval_delay is not None,
156
358
                options.secret is not None,
157
359
                options.approve,
158
360
                options.deny))
159
 
        
 
361
 
 
362
 
160
363
def main():
161
 
        parser = OptionParser(version = "%%prog %s" % version)
162
 
        parser.add_option("-a", "--all", action="store_true",
163
 
                          help="Select all clients")
164
 
        parser.add_option("-v", "--verbose", action="store_true",
165
 
                          help="Print all fields")
166
 
        parser.add_option("-e", "--enable", action="store_true",
167
 
                          help="Enable client")
168
 
        parser.add_option("-d", "--disable", action="store_true",
169
 
                          help="disable client")
170
 
        parser.add_option("-b", "--bump-timeout", action="store_true",
171
 
                          help="Bump timeout for client")
172
 
        parser.add_option("--start-checker", action="store_true",
173
 
                          help="Start checker for client")
174
 
        parser.add_option("--stop-checker", action="store_true",
175
 
                          help="Stop checker for client")
176
 
        parser.add_option("-V", "--is-enabled", action="store_true",
177
 
                          help="Check if client is enabled")
178
 
        parser.add_option("-r", "--remove", action="store_true",
179
 
                          help="Remove client")
180
 
        parser.add_option("-c", "--checker", type="string",
181
 
                          help="Set checker command for client")
182
 
        parser.add_option("-t", "--timeout", type="string",
183
 
                          help="Set timeout for client")
184
 
        parser.add_option("-i", "--interval", type="string",
185
 
                          help="Set checker interval for client")
186
 
        parser.add_option("--approve-by-default", action="store_true",
187
 
                          dest=u"approved_by_default",
188
 
                          help="Set client to be approved by default")
189
 
        parser.add_option("--deny-by-default", action="store_false",
190
 
                          dest=u"approved_by_default",
191
 
                          help="Set client to be denied by default")
192
 
        parser.add_option("--approval-delay", type="string",
193
 
                          help="Set delay before client approve/deny")
194
 
        parser.add_option("--approval-duration", type="string",
195
 
                          help="Set duration of one client approval")
196
 
        parser.add_option("-H", "--host", type="string",
197
 
                          help="Set host for client")
198
 
        parser.add_option("-s", "--secret", type="string",
199
 
                          help="Set password blob (file) for client")
200
 
        parser.add_option("-A", "--approve", action="store_true",
201
 
                          help="Approve any current client request")
202
 
        parser.add_option("-D", "--deny", action="store_true",
203
 
                          help="Deny any current client request")
204
 
        options, client_names = parser.parse_args()
205
 
        
206
 
        if has_actions(options) and not client_names and not options.all:
207
 
            parser.error('Options require clients names or --all.')
208
 
        if options.verbose and has_actions(options):
209
 
            parser.error('--verbose can only be used alone or with'
210
 
                         ' --all.')
211
 
        if options.all and not has_actions(options):
212
 
            parser.error('--all requires an action.')
213
 
        
214
 
        try:
215
 
            bus = dbus.SystemBus()
216
 
            mandos_dbus_objc = bus.get_object(busname, server_path)
217
 
        except dbus.exceptions.DBusException:
218
 
            print >> sys.stderr, "Could not connect to Mandos server"
219
 
            sys.exit(1)
220
 
    
221
 
        mandos_serv = dbus.Interface(mandos_dbus_objc,
222
 
                                     dbus_interface = server_interface)
223
 
 
224
 
        #block stderr since dbus library prints to stderr
225
 
        null = os.open(os.path.devnull, os.O_RDWR)
226
 
        stderrcopy = os.dup(sys.stderr.fileno())
227
 
        os.dup2(null, sys.stderr.fileno())
228
 
        os.close(null)
229
 
        try:
230
 
            try:
231
 
                mandos_clients = mandos_serv.GetAllClientsWithProperties()
232
 
            finally:
233
 
                #restore stderr
234
 
                os.dup2(stderrcopy, sys.stderr.fileno())
235
 
                os.close(stderrcopy)
236
 
        except dbus.exceptions.DBusException, e:
237
 
            print >> sys.stderr, "Access denied: Accessing mandos server through dbus."
238
 
            sys.exit(1)
239
 
            
240
 
        # Compile dict of (clients: properties) to process
241
 
        clients={}
242
 
        
243
 
        if options.all or not client_names:
244
 
            clients = dict((bus.get_object(busname, path), properties)
245
 
                           for path, properties in
246
 
                           mandos_clients.iteritems())
247
 
        else:
248
 
            for name in client_names:
249
 
                for path, client in mandos_clients.iteritems():
250
 
                    if client['Name'] == name:
251
 
                        client_objc = bus.get_object(busname, path)
252
 
                        clients[client_objc] = client
253
 
                        break
 
364
    parser = argparse.ArgumentParser()
 
365
    parser.add_argument("--version", action="version",
 
366
                        version="%(prog)s {}".format(version),
 
367
                        help="show version number and exit")
 
368
    parser.add_argument("-a", "--all", action="store_true",
 
369
                        help="Select all clients")
 
370
    parser.add_argument("-v", "--verbose", action="store_true",
 
371
                        help="Print all fields")
 
372
    parser.add_argument("-j", "--dump-json", action="store_true",
 
373
                        help="Dump client data in JSON format")
 
374
    parser.add_argument("-e", "--enable", action="store_true",
 
375
                        help="Enable client")
 
376
    parser.add_argument("-d", "--disable", action="store_true",
 
377
                        help="disable client")
 
378
    parser.add_argument("-b", "--bump-timeout", action="store_true",
 
379
                        help="Bump timeout for client")
 
380
    parser.add_argument("--start-checker", action="store_true",
 
381
                        help="Start checker for client")
 
382
    parser.add_argument("--stop-checker", action="store_true",
 
383
                        help="Stop checker for client")
 
384
    parser.add_argument("-V", "--is-enabled", action="store_true",
 
385
                        help="Check if client is enabled")
 
386
    parser.add_argument("-r", "--remove", action="store_true",
 
387
                        help="Remove client")
 
388
    parser.add_argument("-c", "--checker",
 
389
                        help="Set checker command for client")
 
390
    parser.add_argument("-t", "--timeout",
 
391
                        help="Set timeout for client")
 
392
    parser.add_argument("--extended-timeout",
 
393
                        help="Set extended timeout for client")
 
394
    parser.add_argument("-i", "--interval",
 
395
                        help="Set checker interval for client")
 
396
    parser.add_argument("--approve-by-default", action="store_true",
 
397
                        default=None, dest="approved_by_default",
 
398
                        help="Set client to be approved by default")
 
399
    parser.add_argument("--deny-by-default", action="store_false",
 
400
                        dest="approved_by_default",
 
401
                        help="Set client to be denied by default")
 
402
    parser.add_argument("--approval-delay",
 
403
                        help="Set delay before client approve/deny")
 
404
    parser.add_argument("--approval-duration",
 
405
                        help="Set duration of one client approval")
 
406
    parser.add_argument("-H", "--host", help="Set host for client")
 
407
    parser.add_argument("-s", "--secret",
 
408
                        type=argparse.FileType(mode="rb"),
 
409
                        help="Set password blob (file) for client")
 
410
    parser.add_argument("-A", "--approve", action="store_true",
 
411
                        help="Approve any current client request")
 
412
    parser.add_argument("-D", "--deny", action="store_true",
 
413
                        help="Deny any current client request")
 
414
    parser.add_argument("--check", action="store_true",
 
415
                        help="Run self-test")
 
416
    parser.add_argument("client", nargs="*", help="Client name")
 
417
    options = parser.parse_args()
 
418
 
 
419
    if has_actions(options) and not (options.client or options.all):
 
420
        parser.error("Options require clients names or --all.")
 
421
    if options.verbose and has_actions(options):
 
422
        parser.error("--verbose can only be used alone.")
 
423
    if options.dump_json and (options.verbose
 
424
                              or has_actions(options)):
 
425
        parser.error("--dump-json can only be used alone.")
 
426
    if options.all and not has_actions(options):
 
427
        parser.error("--all requires an action.")
 
428
 
 
429
    try:
 
430
        bus = dbus.SystemBus()
 
431
        mandos_dbus_objc = bus.get_object(busname, server_path)
 
432
    except dbus.exceptions.DBusException:
 
433
        log.critical("Could not connect to Mandos server")
 
434
        sys.exit(1)
 
435
 
 
436
    mandos_serv = dbus.Interface(mandos_dbus_objc,
 
437
                                 dbus_interface=server_interface)
 
438
    mandos_serv_object_manager = dbus.Interface(
 
439
        mandos_dbus_objc, dbus_interface=dbus.OBJECT_MANAGER_IFACE)
 
440
 
 
441
    # block stderr since dbus library prints to stderr
 
442
    null = os.open(os.path.devnull, os.O_RDWR)
 
443
    stderrcopy = os.dup(sys.stderr.fileno())
 
444
    os.dup2(null, sys.stderr.fileno())
 
445
    os.close(null)
 
446
    try:
 
447
        try:
 
448
            mandos_clients = {path: ifs_and_props[client_interface]
 
449
                              for path, ifs_and_props in
 
450
                              mandos_serv_object_manager
 
451
                              .GetManagedObjects().items()
 
452
                              if client_interface in ifs_and_props}
 
453
        finally:
 
454
            # restore stderr
 
455
            os.dup2(stderrcopy, sys.stderr.fileno())
 
456
            os.close(stderrcopy)
 
457
    except dbus.exceptions.DBusException as e:
 
458
        log.critical("Failed to access Mandos server through D-Bus:"
 
459
                     "\n%s", e)
 
460
        sys.exit(1)
 
461
 
 
462
    # Compile dict of (clients: properties) to process
 
463
    clients = {}
 
464
 
 
465
    if options.all or not options.client:
 
466
        clients = {bus.get_object(busname, path): properties
 
467
                   for path, properties in mandos_clients.items()}
 
468
    else:
 
469
        for name in options.client:
 
470
            for path, client in mandos_clients.items():
 
471
                if client["Name"] == name:
 
472
                    client_objc = bus.get_object(busname, path)
 
473
                    clients[client_objc] = client
 
474
                    break
 
475
            else:
 
476
                log.critical("Client not found on server: %r", name)
 
477
                sys.exit(1)
 
478
 
 
479
    if not has_actions(options) and clients:
 
480
        if options.verbose or options.dump_json:
 
481
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
482
                        "Created", "Interval", "Host", "KeyID",
 
483
                        "Fingerprint", "CheckerRunning",
 
484
                        "LastEnabled", "ApprovalPending",
 
485
                        "ApprovedByDefault", "LastApprovalRequest",
 
486
                        "ApprovalDelay", "ApprovalDuration",
 
487
                        "Checker", "ExtendedTimeout", "Expires",
 
488
                        "LastCheckerStatus")
 
489
        else:
 
490
            keywords = defaultkeywords
 
491
 
 
492
        if options.dump_json:
 
493
            json.dump({client["Name"]: {key:
 
494
                                        bool(client[key])
 
495
                                        if isinstance(client[key],
 
496
                                                      dbus.Boolean)
 
497
                                        else client[key]
 
498
                                        for key in keywords}
 
499
                       for client in clients.values()},
 
500
                      fp=sys.stdout, indent=4,
 
501
                      separators=(',', ': '))
 
502
            print()
 
503
        else:
 
504
            print_clients(clients.values(), keywords)
 
505
    else:
 
506
        # Process each client in the list by all selected options
 
507
        for client in clients:
 
508
 
 
509
            def set_client_prop(prop, value):
 
510
                """Set a Client D-Bus property"""
 
511
                client.Set(client_interface, prop, value,
 
512
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
513
 
 
514
            def set_client_prop_ms(prop, value):
 
515
                """Set a Client D-Bus property, converted
 
516
                from a string to milliseconds."""
 
517
                set_client_prop(prop,
 
518
                                string_to_delta(value).total_seconds()
 
519
                                * 1000)
 
520
 
 
521
            if options.remove:
 
522
                mandos_serv.RemoveClient(client.__dbus_object_path__)
 
523
            if options.enable:
 
524
                set_client_prop("Enabled", dbus.Boolean(True))
 
525
            if options.disable:
 
526
                set_client_prop("Enabled", dbus.Boolean(False))
 
527
            if options.bump_timeout:
 
528
                set_client_prop("LastCheckedOK", "")
 
529
            if options.start_checker:
 
530
                set_client_prop("CheckerRunning", dbus.Boolean(True))
 
531
            if options.stop_checker:
 
532
                set_client_prop("CheckerRunning", dbus.Boolean(False))
 
533
            if options.is_enabled:
 
534
                if client.Get(client_interface, "Enabled",
 
535
                              dbus_interface=dbus.PROPERTIES_IFACE):
 
536
                    sys.exit(0)
254
537
                else:
255
 
                    print >> sys.stderr, "Client not found on server: %r" % name
256
538
                    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)
 
539
            if options.checker is not None:
 
540
                set_client_prop("Checker", options.checker)
 
541
            if options.host is not None:
 
542
                set_client_prop("Host", options.host)
 
543
            if options.interval is not None:
 
544
                set_client_prop_ms("Interval", options.interval)
 
545
            if options.approval_delay is not None:
 
546
                set_client_prop_ms("ApprovalDelay",
 
547
                                   options.approval_delay)
 
548
            if options.approval_duration is not None:
 
549
                set_client_prop_ms("ApprovalDuration",
 
550
                                   options.approval_duration)
 
551
            if options.timeout is not None:
 
552
                set_client_prop_ms("Timeout", options.timeout)
 
553
            if options.extended_timeout is not None:
 
554
                set_client_prop_ms("ExtendedTimeout",
 
555
                                   options.extended_timeout)
 
556
            if options.secret is not None:
 
557
                set_client_prop("Secret",
 
558
                                dbus.ByteArray(options.secret.read()))
 
559
            if options.approved_by_default is not None:
 
560
                set_client_prop("ApprovedByDefault",
 
561
                                dbus.Boolean(options
 
562
                                             .approved_by_default))
 
563
            if options.approve:
 
564
                client.Approve(dbus.Boolean(True),
 
565
                               dbus_interface=client_interface)
 
566
            elif options.deny:
 
567
                client.Approve(dbus.Boolean(False),
 
568
                               dbus_interface=client_interface)
 
569
 
 
570
 
 
571
class Test_milliseconds_to_string(unittest.TestCase):
 
572
    def test_all(self):
 
573
        self.assertEqual(milliseconds_to_string(93785000),
 
574
                         "1T02:03:05")
 
575
    def test_no_days(self):
 
576
        self.assertEqual(milliseconds_to_string(7385000), "02:03:05")
 
577
    def test_all_zero(self):
 
578
        self.assertEqual(milliseconds_to_string(0), "00:00:00")
 
579
    def test_no_fractional_seconds(self):
 
580
        self.assertEqual(milliseconds_to_string(400), "00:00:00")
 
581
        self.assertEqual(milliseconds_to_string(900), "00:00:00")
 
582
        self.assertEqual(milliseconds_to_string(1900), "00:00:01")
 
583
 
 
584
class Test_string_to_delta(unittest.TestCase):
 
585
    def test_handles_basic_rfc3339(self):
 
586
        self.assertEqual(string_to_delta("PT2H"),
 
587
                         datetime.timedelta(0, 7200))
 
588
    def test_falls_back_to_pre_1_6_1_with_warning(self):
 
589
        # assertLogs only exists in Python 3.4
 
590
        if hasattr(self, "assertLogs"):
 
591
            with self.assertLogs(log, logging.WARNING):
 
592
                value = string_to_delta("2h")
271
593
        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()
 
594
            value = string_to_delta("2h")
 
595
        self.assertEqual(value, datetime.timedelta(0, 7200))
 
596
 
 
597
class Test_TableOfClients(unittest.TestCase):
 
598
    def setUp(self):
 
599
        self.tablewords = {
 
600
            "Attr1": "X",
 
601
            "AttrTwo": "Yy",
 
602
            "AttrThree": "Zzz",
 
603
            "Bool": "A D-BUS Boolean",
 
604
            "NonDbusBoolean": "A Non-D-BUS Boolean",
 
605
            "Integer": "An Integer",
 
606
            "Timeout": "Timedelta 1",
 
607
            "Interval": "Timedelta 2",
 
608
            "ApprovalDelay": "Timedelta 3",
 
609
            "ApprovalDuration": "Timedelta 4",
 
610
            "ExtendedTimeout": "Timedelta 5",
 
611
            "String": "A String",
 
612
        }
 
613
        self.keywords = ["Attr1", "AttrTwo"]
 
614
        self.clients = [
 
615
            {
 
616
                "Attr1": "x1",
 
617
                "AttrTwo": "y1",
 
618
                "AttrThree": "z1",
 
619
                "Bool": dbus.Boolean(False),
 
620
                "NonDbusBoolean": False,
 
621
                "Integer": 0,
 
622
                "Timeout": 0,
 
623
                "Interval": 1000,
 
624
                "ApprovalDelay": 2000,
 
625
                "ApprovalDuration": 3000,
 
626
                "ExtendedTimeout": 4000,
 
627
                "String": "",
 
628
            },
 
629
            {
 
630
                "Attr1": "x2",
 
631
                "AttrTwo": "y2",
 
632
                "AttrThree": "z2",
 
633
                "Bool": dbus.Boolean(True),
 
634
                "NonDbusBoolean": True,
 
635
                "Integer": 1,
 
636
                "Timeout": 93785000,
 
637
                "Interval": 93786000,
 
638
                "ApprovalDelay": 93787000,
 
639
                "ApprovalDuration": 93788000,
 
640
                "ExtendedTimeout": 93789000,
 
641
                "String": "A huge string which will not fit," * 10,
 
642
            },
 
643
        ]
 
644
    def test_short_header(self):
 
645
        rows = TableOfClients(self.clients, self.keywords,
 
646
                              self.tablewords).rows()
 
647
        expected_rows = [
 
648
            "X  Yy",
 
649
            "x1 y1",
 
650
            "x2 y2"]
 
651
        self.assertEqual(rows, expected_rows)
 
652
    def test_booleans(self):
 
653
        keywords = ["Bool", "NonDbusBoolean"]
 
654
        rows = TableOfClients(self.clients, keywords,
 
655
                              self.tablewords).rows()
 
656
        expected_rows = [
 
657
            "A D-BUS Boolean A Non-D-BUS Boolean",
 
658
            "No              False              ",
 
659
            "Yes             True               ",
 
660
        ]
 
661
        self.assertEqual(rows, expected_rows)
 
662
    def test_milliseconds_detection(self):
 
663
        keywords = ["Integer", "Timeout", "Interval", "ApprovalDelay",
 
664
                    "ApprovalDuration", "ExtendedTimeout"]
 
665
        rows = TableOfClients(self.clients, keywords,
 
666
                              self.tablewords).rows()
 
667
        expected_rows = ("""
 
668
An Integer Timedelta 1 Timedelta 2 Timedelta 3 Timedelta 4 Timedelta 5
 
669
0          00:00:00    00:00:01    00:00:02    00:00:03    00:00:04   
 
670
1          1T02:03:05  1T02:03:06  1T02:03:07  1T02:03:08  1T02:03:09 
 
671
"""
 
672
        ).splitlines()[1:]
 
673
        self.assertEqual(rows, expected_rows)
 
674
    def test_empty_and_long_string_values(self):
 
675
        keywords = ["String"]
 
676
        rows = TableOfClients(self.clients, keywords,
 
677
                              self.tablewords).rows()
 
678
        expected_rows = ("""
 
679
A String                                                                                                                                                                                                                                                                                                                                  
 
680
                                                                                                                                                                                                                                                                                                                                          
 
681
A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,A huge string which will not fit,
 
682
"""
 
683
        ).splitlines()[1:]
 
684
        self.assertEqual(rows, expected_rows)
 
685
 
 
686
 
 
687
 
 
688
def should_only_run_tests():
 
689
    parser = argparse.ArgumentParser(add_help=False)
 
690
    parser.add_argument("--check", action='store_true')
 
691
    args, unknown_args = parser.parse_known_args()
 
692
    run_tests = args.check
 
693
    if run_tests:
 
694
        # Remove --check argument from sys.argv
 
695
        sys.argv[1:] = unknown_args
 
696
    return run_tests
 
697
 
 
698
# Add all tests from doctest strings
 
699
def load_tests(loader, tests, none):
 
700
    import doctest
 
701
    tests.addTests(doctest.DocTestSuite())
 
702
    return tests
 
703
 
 
704
if __name__ == "__main__":
 
705
    if should_only_run_tests():
 
706
        # Call using ./tdd-python-script --check [--verbose]
 
707
        unittest.main()
 
708
    else:
 
709
        main()