/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to mandos-ctl

  • Committer: Teddy Hogeborn
  • Date: 2014-07-25 23:00:45 UTC
  • mto: This revision was merged to the branch mainline in revision 724.
  • Revision ID: teddy@recompile.se-20140725230045-94y6ghmwqkb00ffw
Use dictionary comprehensions.

* mandos (Client.start_checker): Use a dictionary comprehension when
                                 creating the "escaped_attrs" mapping.
* mandos-ctl (print_clients): Use a dictionary comprehension when
                              creating keyword arguments to the
                              .format string method.
  (main): Use a dictionary comprehension when creating the "clients"
          mapping.

Show diffs side-by-side

added added

removed removed

Lines of Context:
3
3
4
4
# Mandos Monitor - Control and monitor the Mandos server
5
5
6
 
# Copyright © 2008-2015 Teddy Hogeborn
7
 
# Copyright © 2008-2015 Björn Påhlsson
 
6
# Copyright © 2008-2014 Teddy Hogeborn
 
7
# Copyright © 2008-2014 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
42
42
 
43
43
import dbus
44
44
 
45
 
if sys.version_info.major == 2:
 
45
if sys.version_info[0] == 2:
46
46
    str = unicode
47
47
 
48
48
locale.setlocale(locale.LC_ALL, "")
64
64
    "ApprovalDelay": "Approval Delay",
65
65
    "ApprovalDuration": "Approval Duration",
66
66
    "Checker": "Checker",
67
 
    "ExtendedTimeout": "Extended Timeout"
68
 
}
 
67
    "ExtendedTimeout" : "Extended Timeout"
 
68
    }
69
69
defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
70
70
domain = "se.recompile"
71
71
busname = domain + ".Mandos"
72
72
server_path = "/"
73
73
server_interface = domain + ".Mandos"
74
74
client_interface = domain + ".Mandos.Client"
75
 
version = "1.6.9"
 
75
version = "1.6.7"
76
76
 
 
77
def timedelta_to_milliseconds(td):
 
78
    """Convert a datetime.timedelta object to milliseconds"""
 
79
    return ((td.days * 24 * 60 * 60 * 1000)
 
80
            + (td.seconds * 1000)
 
81
            + (td.microseconds // 1000))
77
82
 
78
83
def milliseconds_to_string(ms):
79
84
    td = datetime.timedelta(0, 0, 0, ms)
80
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
81
 
        days = "{}T".format(td.days) if td.days else "",
82
 
        hours = td.seconds // 3600,
83
 
        minutes = (td.seconds % 3600) // 60,
84
 
        seconds = td.seconds % 60))
 
85
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
86
            .format(days = "{0}T".format(td.days) if td.days else "",
 
87
                    hours = td.seconds // 3600,
 
88
                    minutes = (td.seconds % 3600) // 60,
 
89
                    seconds = td.seconds % 60,
 
90
                    ))
85
91
 
86
92
 
87
93
def rfc3339_duration_to_delta(duration):
111
117
    # avoid excessive use of external libraries.
112
118
    
113
119
    # New type for defining tokens, syntax, and semantics all-in-one
114
 
    Token = collections.namedtuple("Token", (
115
 
        "regexp",  # To match token; if "value" is not None, must have
116
 
                   # a "group" containing digits
117
 
        "value",   # datetime.timedelta or None
118
 
        "followers"))           # Tokens valid after this token
 
120
    Token = collections.namedtuple("Token",
 
121
                                   ("regexp", # To match token; if
 
122
                                              # "value" is not None,
 
123
                                              # must have a "group"
 
124
                                              # containing digits
 
125
                                    "value",  # datetime.timedelta or
 
126
                                              # None
 
127
                                    "followers")) # Tokens valid after
 
128
                                                  # this token
119
129
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
120
130
    # the "duration" ABNF definition in RFC 3339, Appendix A.
121
131
    token_end = Token(re.compile(r"$"), None, frozenset())
122
132
    token_second = Token(re.compile(r"(\d+)S"),
123
133
                         datetime.timedelta(seconds=1),
124
 
                         frozenset((token_end, )))
 
134
                         frozenset((token_end,)))
125
135
    token_minute = Token(re.compile(r"(\d+)M"),
126
136
                         datetime.timedelta(minutes=1),
127
137
                         frozenset((token_second, token_end)))
143
153
                       frozenset((token_month, token_end)))
144
154
    token_week = Token(re.compile(r"(\d+)W"),
145
155
                       datetime.timedelta(weeks=1),
146
 
                       frozenset((token_end, )))
 
156
                       frozenset((token_end,)))
147
157
    token_duration = Token(re.compile(r"P"), None,
148
158
                           frozenset((token_year, token_month,
149
159
                                      token_day, token_time,
151
161
    # Define starting values
152
162
    value = datetime.timedelta() # Value so far
153
163
    found_token = None
154
 
    followers = frozenset((token_duration, )) # Following valid tokens
 
164
    followers = frozenset((token_duration,)) # Following valid tokens
155
165
    s = duration                # String left to parse
156
166
    # Loop until end token is found
157
167
    while found_token is not token_end:
174
184
                break
175
185
        else:
176
186
            # No currently valid tokens were found
177
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
178
 
                             .format(duration))
 
187
            raise ValueError("Invalid RFC 3339 duration")
179
188
    # End token found
180
189
    return value
181
190
 
183
192
def string_to_delta(interval):
184
193
    """Parse a string and return a datetime.timedelta
185
194
    
186
 
    >>> string_to_delta('7d')
 
195
    >>> string_to_delta("7d")
187
196
    datetime.timedelta(7)
188
 
    >>> string_to_delta('60s')
 
197
    >>> string_to_delta("60s")
189
198
    datetime.timedelta(0, 60)
190
 
    >>> string_to_delta('60m')
 
199
    >>> string_to_delta("60m")
191
200
    datetime.timedelta(0, 3600)
192
 
    >>> string_to_delta('24h')
 
201
    >>> string_to_delta("24h")
193
202
    datetime.timedelta(1)
194
 
    >>> string_to_delta('1w')
 
203
    >>> string_to_delta("1w")
195
204
    datetime.timedelta(7)
196
 
    >>> string_to_delta('5m 30s')
 
205
    >>> string_to_delta("5m 30s")
197
206
    datetime.timedelta(0, 330)
198
207
    """
199
208
    
220
229
            value += datetime.timedelta(0, 0, 0, int(num))
221
230
    return value
222
231
 
223
 
 
224
232
def print_clients(clients, keywords):
225
233
    def valuetostring(value, keyword):
226
234
        if type(value) is dbus.Boolean:
232
240
    
233
241
    # Create format string to print table rows
234
242
    format_string = " ".join("{{{key}:{width}}}".format(
235
 
        width = max(len(tablewords[key]),
236
 
                    max(len(valuetostring(client[key], key))
237
 
                        for client in clients)),
238
 
        key = key)
239
 
                             for key in keywords)
 
243
            width = max(len(tablewords[key]),
 
244
                        max(len(valuetostring(client[key],
 
245
                                              key))
 
246
                            for client in
 
247
                            clients)),
 
248
            key = key) for key in keywords)
240
249
    # Print header line
241
250
    print(format_string.format(**tablewords))
242
251
    for client in clients:
243
 
        print(format_string.format(**{
244
 
            key: valuetostring(client[key], key)
245
 
            for key in keywords }))
246
 
 
 
252
        print(format_string.format(**{ key:
 
253
                                           valuetostring(client[key],
 
254
                                                         key)
 
255
                                       for key in keywords }))
247
256
 
248
257
def has_actions(options):
249
258
    return any((options.enable,
265
274
                options.approve,
266
275
                options.deny))
267
276
 
268
 
 
269
277
def main():
270
278
    parser = argparse.ArgumentParser()
271
279
    parser.add_argument("--version", action="version",
272
 
                        version = "%(prog)s {}".format(version),
 
280
                        version = "%(prog)s {0}".format(version),
273
281
                        help="show version number and exit")
274
282
    parser.add_argument("-a", "--all", action="store_true",
275
283
                        help="Select all clients")
336
344
        bus = dbus.SystemBus()
337
345
        mandos_dbus_objc = bus.get_object(busname, server_path)
338
346
    except dbus.exceptions.DBusException:
339
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
347
        print("Could not connect to Mandos server",
 
348
              file=sys.stderr)
340
349
        sys.exit(1)
341
350
    
342
351
    mandos_serv = dbus.Interface(mandos_dbus_objc,
367
376
                    for path, properties in mandos_clients.items() }
368
377
    else:
369
378
        for name in options.client:
370
 
            for path, client in mandos_clients.items():
 
379
            for path, client in mandos_clients.iteritems():
371
380
                if client["Name"] == name:
372
381
                    client_objc = bus.get_object(busname, path)
373
382
                    clients[client_objc] = client
374
383
                    break
375
384
            else:
376
 
                print("Client not found on server: {!r}"
 
385
                print("Client not found on server: {0!r}"
377
386
                      .format(name), file=sys.stderr)
378
387
                sys.exit(1)
379
388
    
380
389
    if not has_actions(options) and clients:
381
390
        if options.verbose:
382
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
383
 
                        "Created", "Interval", "Host", "Fingerprint",
384
 
                        "CheckerRunning", "LastEnabled",
385
 
                        "ApprovalPending", "ApprovedByDefault",
 
391
            keywords = ("Name", "Enabled", "Timeout",
 
392
                        "LastCheckedOK", "Created", "Interval",
 
393
                        "Host", "Fingerprint", "CheckerRunning",
 
394
                        "LastEnabled", "ApprovalPending",
 
395
                        "ApprovedByDefault",
386
396
                        "LastApprovalRequest", "ApprovalDelay",
387
397
                        "ApprovalDuration", "Checker",
388
398
                        "ExtendedTimeout")
393
403
    else:
394
404
        # Process each client in the list by all selected options
395
405
        for client in clients:
396
 
            
397
406
            def set_client_prop(prop, value):
398
407
                """Set a Client D-Bus property"""
399
408
                client.Set(client_interface, prop, value,
400
409
                           dbus_interface=dbus.PROPERTIES_IFACE)
401
 
            
402
410
            def set_client_prop_ms(prop, value):
403
411
                """Set a Client D-Bus property, converted
404
412
                from a string to milliseconds."""
405
413
                set_client_prop(prop,
406
 
                                string_to_delta(value).total_seconds()
407
 
                                * 1000)
408
 
            
 
414
                                timedelta_to_milliseconds
 
415
                                (string_to_delta(value)))
409
416
            if options.remove:
410
417
                mandos_serv.RemoveClient(client.__dbus_object_path__)
411
418
            if options.enable:
455
462
                client.Approve(dbus.Boolean(False),
456
463
                               dbus_interface=client_interface)
457
464
 
458
 
 
459
465
if __name__ == "__main__":
460
466
    main()