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  • Committer: Teddy Hogeborn
  • Date: 2012-06-01 18:39:03 UTC
  • mfrom: (237.8.1 release)
  • mto: (237.4.33 release)
  • mto: This revision was merged to the branch mainline in revision 593.
  • Revision ID: teddy@recompile.se-20120601183903-hydodgfmlau5d109
Tags: version-1.5.5-1
* Makefile (version): Changed to "1.5.5".
* NEWS (Version 1.5.5): New entry.
* debian/changelog (1.5.5-1): - '' -

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Lines of Context:
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# Mandos Monitor - Control and monitor the Mandos server
5
5
6
 
# Copyright © 2008-2016 Teddy Hogeborn
7
 
# Copyright © 2008-2016 Björn Påhlsson
 
6
# Copyright © 2008-2012 Teddy Hogeborn
 
7
# Copyright © 2008-2012 Björn Påhlsson
8
8
9
9
# This program is free software: you can redistribute it and/or modify
10
10
# it under the terms of the GNU General Public License as published by
26
26
from __future__ import (division, absolute_import, print_function,
27
27
                        unicode_literals)
28
28
 
29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
 
29
from future_builtins import *
33
30
 
34
31
import sys
 
32
import dbus
35
33
import argparse
36
34
import locale
37
35
import datetime
38
36
import re
39
37
import os
40
 
import collections
41
 
import doctest
42
 
import json
43
 
 
44
 
import dbus
45
 
 
46
 
if sys.version_info.major == 2:
47
 
    str = unicode
48
38
 
49
39
locale.setlocale(locale.LC_ALL, "")
50
40
 
65
55
    "ApprovalDelay": "Approval Delay",
66
56
    "ApprovalDuration": "Approval Duration",
67
57
    "Checker": "Checker",
68
 
    "ExtendedTimeout": "Extended Timeout"
69
 
}
 
58
    "ExtendedTimeout" : "Extended Timeout"
 
59
    }
70
60
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
71
61
domain = "se.recompile"
72
62
busname = domain + ".Mandos"
73
63
server_path = "/"
74
64
server_interface = domain + ".Mandos"
75
65
client_interface = domain + ".Mandos.Client"
76
 
version = "1.7.10"
77
 
 
78
 
 
79
 
try:
80
 
    dbus.OBJECT_MANAGER_IFACE
81
 
except AttributeError:
82
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
66
version = "1.5.5"
 
67
 
 
68
def timedelta_to_milliseconds(td):
 
69
    """Convert a datetime.timedelta object to milliseconds"""
 
70
    return ((td.days * 24 * 60 * 60 * 1000)
 
71
            + (td.seconds * 1000)
 
72
            + (td.microseconds // 1000))
83
73
 
84
74
def milliseconds_to_string(ms):
85
75
    td = datetime.timedelta(0, 0, 0, ms)
86
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
87
 
        days = "{}T".format(td.days) if td.days else "",
88
 
        hours = td.seconds // 3600,
89
 
        minutes = (td.seconds % 3600) // 60,
90
 
        seconds = td.seconds % 60))
91
 
 
92
 
 
93
 
def rfc3339_duration_to_delta(duration):
94
 
    """Parse an RFC 3339 "duration" and return a datetime.timedelta
95
 
    
96
 
    >>> rfc3339_duration_to_delta("P7D")
97
 
    datetime.timedelta(7)
98
 
    >>> rfc3339_duration_to_delta("PT60S")
99
 
    datetime.timedelta(0, 60)
100
 
    >>> rfc3339_duration_to_delta("PT60M")
101
 
    datetime.timedelta(0, 3600)
102
 
    >>> rfc3339_duration_to_delta("PT24H")
103
 
    datetime.timedelta(1)
104
 
    >>> rfc3339_duration_to_delta("P1W")
105
 
    datetime.timedelta(7)
106
 
    >>> rfc3339_duration_to_delta("PT5M30S")
107
 
    datetime.timedelta(0, 330)
108
 
    >>> rfc3339_duration_to_delta("P1DT3M20S")
109
 
    datetime.timedelta(1, 200)
110
 
    """
111
 
    
112
 
    # Parsing an RFC 3339 duration with regular expressions is not
113
 
    # possible - there would have to be multiple places for the same
114
 
    # values, like seconds.  The current code, while more esoteric, is
115
 
    # cleaner without depending on a parsing library.  If Python had a
116
 
    # built-in library for parsing we would use it, but we'd like to
117
 
    # avoid excessive use of external libraries.
118
 
    
119
 
    # New type for defining tokens, syntax, and semantics all-in-one
120
 
    Token = collections.namedtuple("Token", (
121
 
        "regexp",  # To match token; if "value" is not None, must have
122
 
                   # a "group" containing digits
123
 
        "value",   # datetime.timedelta or None
124
 
        "followers"))           # Tokens valid after this token
125
 
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
126
 
    # the "duration" ABNF definition in RFC 3339, Appendix A.
127
 
    token_end = Token(re.compile(r"$"), None, frozenset())
128
 
    token_second = Token(re.compile(r"(\d+)S"),
129
 
                         datetime.timedelta(seconds=1),
130
 
                         frozenset((token_end, )))
131
 
    token_minute = Token(re.compile(r"(\d+)M"),
132
 
                         datetime.timedelta(minutes=1),
133
 
                         frozenset((token_second, token_end)))
134
 
    token_hour = Token(re.compile(r"(\d+)H"),
135
 
                       datetime.timedelta(hours=1),
136
 
                       frozenset((token_minute, token_end)))
137
 
    token_time = Token(re.compile(r"T"),
138
 
                       None,
139
 
                       frozenset((token_hour, token_minute,
140
 
                                  token_second)))
141
 
    token_day = Token(re.compile(r"(\d+)D"),
142
 
                      datetime.timedelta(days=1),
143
 
                      frozenset((token_time, token_end)))
144
 
    token_month = Token(re.compile(r"(\d+)M"),
145
 
                        datetime.timedelta(weeks=4),
146
 
                        frozenset((token_day, token_end)))
147
 
    token_year = Token(re.compile(r"(\d+)Y"),
148
 
                       datetime.timedelta(weeks=52),
149
 
                       frozenset((token_month, token_end)))
150
 
    token_week = Token(re.compile(r"(\d+)W"),
151
 
                       datetime.timedelta(weeks=1),
152
 
                       frozenset((token_end, )))
153
 
    token_duration = Token(re.compile(r"P"), None,
154
 
                           frozenset((token_year, token_month,
155
 
                                      token_day, token_time,
156
 
                                      token_week)))
157
 
    # Define starting values
158
 
    value = datetime.timedelta() # Value so far
159
 
    found_token = None
160
 
    followers = frozenset((token_duration, )) # Following valid tokens
161
 
    s = duration                # String left to parse
162
 
    # Loop until end token is found
163
 
    while found_token is not token_end:
164
 
        # Search for any currently valid tokens
165
 
        for token in followers:
166
 
            match = token.regexp.match(s)
167
 
            if match is not None:
168
 
                # Token found
169
 
                if token.value is not None:
170
 
                    # Value found, parse digits
171
 
                    factor = int(match.group(1), 10)
172
 
                    # Add to value so far
173
 
                    value += factor * token.value
174
 
                # Strip token from string
175
 
                s = token.regexp.sub("", s, 1)
176
 
                # Go to found token
177
 
                found_token = token
178
 
                # Set valid next tokens
179
 
                followers = found_token.followers
180
 
                break
181
 
        else:
182
 
            # No currently valid tokens were found
183
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
184
 
                             .format(duration))
185
 
    # End token found
186
 
    return value
187
 
 
 
76
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
77
            .format(days = "{0}T".format(td.days) if td.days else "",
 
78
                    hours = td.seconds // 3600,
 
79
                    minutes = (td.seconds % 3600) // 60,
 
80
                    seconds = td.seconds % 60,
 
81
                    ))
188
82
 
189
83
def string_to_delta(interval):
190
84
    """Parse a string and return a datetime.timedelta
191
85
    
192
 
    >>> string_to_delta('7d')
 
86
    >>> string_to_delta("7d")
193
87
    datetime.timedelta(7)
194
 
    >>> string_to_delta('60s')
 
88
    >>> string_to_delta("60s")
195
89
    datetime.timedelta(0, 60)
196
 
    >>> string_to_delta('60m')
 
90
    >>> string_to_delta("60m")
197
91
    datetime.timedelta(0, 3600)
198
 
    >>> string_to_delta('24h')
 
92
    >>> string_to_delta("24h")
199
93
    datetime.timedelta(1)
200
 
    >>> string_to_delta('1w')
 
94
    >>> string_to_delta("1w")
201
95
    datetime.timedelta(7)
202
 
    >>> string_to_delta('5m 30s')
 
96
    >>> string_to_delta("5m 30s")
203
97
    datetime.timedelta(0, 330)
204
98
    """
205
 
    
206
 
    try:
207
 
        return rfc3339_duration_to_delta(interval)
208
 
    except ValueError:
209
 
        pass
210
 
    
211
99
    value = datetime.timedelta(0)
212
 
    regexp = re.compile(r"(\d+)([dsmhw]?)")
 
100
    regexp = re.compile("(\d+)([dsmhw]?)")
213
101
    
214
102
    for num, suffix in regexp.findall(interval):
215
103
        if suffix == "d":
226
114
            value += datetime.timedelta(0, 0, 0, int(num))
227
115
    return value
228
116
 
229
 
 
230
117
def print_clients(clients, keywords):
231
118
    def valuetostring(value, keyword):
232
119
        if type(value) is dbus.Boolean:
234
121
        if keyword in ("Timeout", "Interval", "ApprovalDelay",
235
122
                       "ApprovalDuration", "ExtendedTimeout"):
236
123
            return milliseconds_to_string(value)
237
 
        return str(value)
 
124
        return unicode(value)
238
125
    
239
126
    # Create format string to print table rows
240
127
    format_string = " ".join("{{{key}:{width}}}".format(
241
 
        width = max(len(tablewords[key]),
242
 
                    max(len(valuetostring(client[key], key))
243
 
                        for client in clients)),
244
 
        key = key)
245
 
                             for key in keywords)
 
128
            width = max(len(tablewords[key]),
 
129
                        max(len(valuetostring(client[key],
 
130
                                              key))
 
131
                            for client in
 
132
                            clients)),
 
133
            key = key) for key in keywords)
246
134
    # Print header line
247
135
    print(format_string.format(**tablewords))
248
136
    for client in clients:
249
 
        print(format_string.format(**{
250
 
            key: valuetostring(client[key], key)
251
 
            for key in keywords }))
252
 
 
 
137
        print(format_string.format(**dict((key,
 
138
                                           valuetostring(client[key],
 
139
                                                         key))
 
140
                                          for key in keywords)))
253
141
 
254
142
def has_actions(options):
255
143
    return any((options.enable,
271
159
                options.approve,
272
160
                options.deny))
273
161
 
274
 
 
275
162
def main():
276
163
    parser = argparse.ArgumentParser()
277
164
    parser.add_argument("--version", action="version",
278
 
                        version = "%(prog)s {}".format(version),
 
165
                        version = "%(prog)s {0}".format(version),
279
166
                        help="show version number and exit")
280
167
    parser.add_argument("-a", "--all", action="store_true",
281
168
                        help="Select all clients")
282
169
    parser.add_argument("-v", "--verbose", action="store_true",
283
170
                        help="Print all fields")
284
 
    parser.add_argument("-j", "--dump-json", action="store_true",
285
 
                        help="Dump client data in JSON format")
286
171
    parser.add_argument("-e", "--enable", action="store_true",
287
172
                        help="Enable client")
288
173
    parser.add_argument("-d", "--disable", action="store_true",
316
201
    parser.add_argument("--approval-duration",
317
202
                        help="Set duration of one client approval")
318
203
    parser.add_argument("-H", "--host", help="Set host for client")
319
 
    parser.add_argument("-s", "--secret",
320
 
                        type=argparse.FileType(mode="rb"),
 
204
    parser.add_argument("-s", "--secret", type=file,
321
205
                        help="Set password blob (file) for client")
322
206
    parser.add_argument("-A", "--approve", action="store_true",
323
207
                        help="Approve any current client request")
324
208
    parser.add_argument("-D", "--deny", action="store_true",
325
209
                        help="Deny any current client request")
326
 
    parser.add_argument("--check", action="store_true",
327
 
                        help="Run self-test")
328
210
    parser.add_argument("client", nargs="*", help="Client name")
329
211
    options = parser.parse_args()
330
212
    
331
213
    if has_actions(options) and not (options.client or options.all):
332
214
        parser.error("Options require clients names or --all.")
333
215
    if options.verbose and has_actions(options):
334
 
        parser.error("--verbose can only be used alone.")
335
 
    if options.dump_json and (options.verbose or has_actions(options)):
336
 
        parser.error("--dump-json can only be used alone.")
 
216
        parser.error("--verbose can only be used alone or with"
 
217
                     " --all.")
337
218
    if options.all and not has_actions(options):
338
219
        parser.error("--all requires an action.")
339
220
    
340
 
    if options.check:
341
 
        fail_count, test_count = doctest.testmod()
342
 
        sys.exit(os.EX_OK if fail_count == 0 else 1)
343
 
    
344
221
    try:
345
222
        bus = dbus.SystemBus()
346
223
        mandos_dbus_objc = bus.get_object(busname, server_path)
347
224
    except dbus.exceptions.DBusException:
348
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
225
        print("Could not connect to Mandos server",
 
226
              file=sys.stderr)
349
227
        sys.exit(1)
350
228
    
351
229
    mandos_serv = dbus.Interface(mandos_dbus_objc,
352
230
                                 dbus_interface = server_interface)
353
 
    mandos_serv_object_manager = dbus.Interface(
354
 
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
355
231
    
356
232
    #block stderr since dbus library prints to stderr
357
233
    null = os.open(os.path.devnull, os.O_RDWR)
360
236
    os.close(null)
361
237
    try:
362
238
        try:
363
 
            mandos_clients = { path: ifs_and_props[client_interface]
364
 
                               for path, ifs_and_props in
365
 
                               mandos_serv_object_manager
366
 
                               .GetManagedObjects().items()
367
 
                               if client_interface in ifs_and_props }
 
239
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
368
240
        finally:
369
241
            #restore stderr
370
242
            os.dup2(stderrcopy, sys.stderr.fileno())
371
243
            os.close(stderrcopy)
372
 
    except dbus.exceptions.DBusException as e:
373
 
        print("Access denied: Accessing mandos server through D-Bus: {}"
374
 
              .format(e), file=sys.stderr)
 
244
    except dbus.exceptions.DBusException:
 
245
        print("Access denied: Accessing mandos server through dbus.",
 
246
              file=sys.stderr)
375
247
        sys.exit(1)
376
248
    
377
249
    # Compile dict of (clients: properties) to process
378
250
    clients={}
379
251
    
380
252
    if options.all or not options.client:
381
 
        clients = { bus.get_object(busname, path): properties
382
 
                    for path, properties in mandos_clients.items() }
 
253
        clients = dict((bus.get_object(busname, path), properties)
 
254
                       for path, properties in
 
255
                       mandos_clients.iteritems())
383
256
    else:
384
257
        for name in options.client:
385
 
            for path, client in mandos_clients.items():
 
258
            for path, client in mandos_clients.iteritems():
386
259
                if client["Name"] == name:
387
260
                    client_objc = bus.get_object(busname, path)
388
261
                    clients[client_objc] = client
389
262
                    break
390
263
            else:
391
 
                print("Client not found on server: {!r}"
 
264
                print("Client not found on server: {0!r}"
392
265
                      .format(name), file=sys.stderr)
393
266
                sys.exit(1)
394
267
    
395
268
    if not has_actions(options) and clients:
396
 
        if options.verbose or options.dump_json:
397
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
398
 
                        "Created", "Interval", "Host", "Fingerprint",
399
 
                        "CheckerRunning", "LastEnabled",
400
 
                        "ApprovalPending", "ApprovedByDefault",
 
269
        if options.verbose:
 
270
            keywords = ("Name", "Enabled", "Timeout",
 
271
                        "LastCheckedOK", "Created", "Interval",
 
272
                        "Host", "Fingerprint", "CheckerRunning",
 
273
                        "LastEnabled", "ApprovalPending",
 
274
                        "ApprovedByDefault",
401
275
                        "LastApprovalRequest", "ApprovalDelay",
402
276
                        "ApprovalDuration", "Checker",
403
277
                        "ExtendedTimeout")
404
278
        else:
405
279
            keywords = defaultkeywords
406
280
        
407
 
        if options.dump_json:
408
 
            json.dump({client["Name"]: {key:
409
 
                                        bool(client[key])
410
 
                                        if isinstance(client[key],
411
 
                                                      dbus.Boolean)
412
 
                                        else client[key]
413
 
                                        for key in keywords }
414
 
                       for client in clients.values() },
415
 
                      fp = sys.stdout, indent = 4,
416
 
                      separators = (',', ': '))
417
 
            print()
418
 
        else:
419
 
            print_clients(clients.values(), keywords)
 
281
        print_clients(clients.values(), keywords)
420
282
    else:
421
283
        # Process each client in the list by all selected options
422
284
        for client in clients:
423
 
            
424
285
            def set_client_prop(prop, value):
425
286
                """Set a Client D-Bus property"""
426
287
                client.Set(client_interface, prop, value,
427
288
                           dbus_interface=dbus.PROPERTIES_IFACE)
428
 
            
429
289
            def set_client_prop_ms(prop, value):
430
290
                """Set a Client D-Bus property, converted
431
291
                from a string to milliseconds."""
432
292
                set_client_prop(prop,
433
 
                                string_to_delta(value).total_seconds()
434
 
                                * 1000)
435
 
            
 
293
                                timedelta_to_milliseconds
 
294
                                (string_to_delta(value)))
436
295
            if options.remove:
437
296
                mandos_serv.RemoveClient(client.__dbus_object_path__)
438
297
            if options.enable:
482
341
                client.Approve(dbus.Boolean(False),
483
342
                               dbus_interface=client_interface)
484
343
 
485
 
 
486
344
if __name__ == "__main__":
487
345
    main()