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  • Committer: Teddy Hogeborn
  • Date: 2014-06-06 12:26:56 UTC
  • mto: (237.7.272 trunk)
  • mto: This revision was merged to the branch mainline in revision 317.
  • Revision ID: teddy@recompile.se-20140606122656-8x9ad8aqh7lpyneb
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* plugins.d/mandos-client.c (main): Indent unindented blank lines.

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mandos-ctl
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# 
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# Mandos Monitor - Control and monitor the Mandos server
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# 
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# Copyright © 2008-2016 Teddy Hogeborn
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# Copyright © 2008-2016 Björn Påhlsson
 
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# Copyright © 2008-2014 Teddy Hogeborn
 
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# Copyright © 2008-2014 Björn Påhlsson
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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from __future__ import (division, absolute_import, print_function,
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                        unicode_literals)
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29
 
try:
30
 
    from future_builtins import *
31
 
except ImportError:
32
 
    pass
 
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from future_builtins import *
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import sys
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import argparse
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import dbus
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45
 
if sys.version_info.major == 2:
46
 
    str = unicode
47
 
 
48
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locale.setlocale(locale.LC_ALL, "")
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tablewords = {
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    "ApprovalDelay": "Approval Delay",
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    "ApprovalDuration": "Approval Duration",
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    "Checker": "Checker",
67
 
    "ExtendedTimeout": "Extended Timeout"
68
 
}
 
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    "ExtendedTimeout" : "Extended Timeout"
 
62
    }
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defaultkeywords = ("Name", "Enabled", "Timeout", "LastCheckedOK")
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domain = "se.recompile"
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busname = domain + ".Mandos"
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server_path = "/"
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server_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
75
 
version = "1.7.9"
76
 
 
77
 
 
78
 
try:
79
 
    dbus.OBJECT_MANAGER_IFACE
80
 
except AttributeError:
81
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
69
version = "1.6.5"
 
70
 
 
71
def timedelta_to_milliseconds(td):
 
72
    """Convert a datetime.timedelta object to milliseconds"""
 
73
    return ((td.days * 24 * 60 * 60 * 1000)
 
74
            + (td.seconds * 1000)
 
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            + (td.microseconds // 1000))
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def milliseconds_to_string(ms):
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    td = datetime.timedelta(0, 0, 0, ms)
85
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
86
 
        days = "{}T".format(td.days) if td.days else "",
87
 
        hours = td.seconds // 3600,
88
 
        minutes = (td.seconds % 3600) // 60,
89
 
        seconds = td.seconds % 60))
 
79
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
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            .format(days = "{0}T".format(td.days) if td.days else "",
 
81
                    hours = td.seconds // 3600,
 
82
                    minutes = (td.seconds % 3600) // 60,
 
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                    seconds = td.seconds % 60,
 
84
                    ))
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def rfc3339_duration_to_delta(duration):
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    # avoid excessive use of external libraries.
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112
    
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    # New type for defining tokens, syntax, and semantics all-in-one
119
 
    Token = collections.namedtuple("Token", (
120
 
        "regexp",  # To match token; if "value" is not None, must have
121
 
                   # a "group" containing digits
122
 
        "value",   # datetime.timedelta or None
123
 
        "followers"))           # Tokens valid after this token
 
114
    Token = collections.namedtuple("Token",
 
115
                                   ("regexp", # To match token; if
 
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                                              # "value" is not None,
 
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                                              # must have a "group"
 
118
                                              # containing digits
 
119
                                    "value",  # datetime.timedelta or
 
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                                              # None
 
121
                                    "followers")) # Tokens valid after
 
122
                                                  # this token
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    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
125
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    # the "duration" ABNF definition in RFC 3339, Appendix A.
126
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    token_end = Token(re.compile(r"$"), None, frozenset())
127
126
    token_second = Token(re.compile(r"(\d+)S"),
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                         datetime.timedelta(seconds=1),
129
 
                         frozenset((token_end, )))
 
128
                         frozenset((token_end,)))
130
129
    token_minute = Token(re.compile(r"(\d+)M"),
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                         datetime.timedelta(minutes=1),
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131
                         frozenset((token_second, token_end)))
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                       frozenset((token_month, token_end)))
149
148
    token_week = Token(re.compile(r"(\d+)W"),
150
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                       datetime.timedelta(weeks=1),
151
 
                       frozenset((token_end, )))
 
150
                       frozenset((token_end,)))
152
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    token_duration = Token(re.compile(r"P"), None,
153
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                           frozenset((token_year, token_month,
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                                      token_day, token_time,
155
 
                                      token_week)))
 
154
                                      token_week))),
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    # Define starting values
157
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    value = datetime.timedelta() # Value so far
158
157
    found_token = None
159
 
    followers = frozenset((token_duration, )) # Following valid tokens
 
158
    followers = frozenset(token_duration,) # Following valid tokens
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    s = duration                # String left to parse
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    # Loop until end token is found
162
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    while found_token is not token_end:
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                break
180
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        else:
181
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            # No currently valid tokens were found
182
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
183
 
                             .format(duration))
 
181
            raise ValueError("Invalid RFC 3339 duration")
184
182
    # End token found
185
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    return value
186
184
 
188
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def string_to_delta(interval):
189
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    """Parse a string and return a datetime.timedelta
190
188
    
191
 
    >>> string_to_delta('7d')
 
189
    >>> string_to_delta("7d")
192
190
    datetime.timedelta(7)
193
 
    >>> string_to_delta('60s')
 
191
    >>> string_to_delta("60s")
194
192
    datetime.timedelta(0, 60)
195
 
    >>> string_to_delta('60m')
 
193
    >>> string_to_delta("60m")
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194
    datetime.timedelta(0, 3600)
197
 
    >>> string_to_delta('24h')
 
195
    >>> string_to_delta("24h")
198
196
    datetime.timedelta(1)
199
 
    >>> string_to_delta('1w')
 
197
    >>> string_to_delta("1w")
200
198
    datetime.timedelta(7)
201
 
    >>> string_to_delta('5m 30s')
 
199
    >>> string_to_delta("5m 30s")
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    datetime.timedelta(0, 330)
203
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    """
204
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225
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            value += datetime.timedelta(0, 0, 0, int(num))
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    return value
227
225
 
228
 
 
229
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def print_clients(clients, keywords):
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    def valuetostring(value, keyword):
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        if type(value) is dbus.Boolean:
233
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        if keyword in ("Timeout", "Interval", "ApprovalDelay",
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                       "ApprovalDuration", "ExtendedTimeout"):
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            return milliseconds_to_string(value)
236
 
        return str(value)
 
233
        return unicode(value)
237
234
    
238
235
    # Create format string to print table rows
239
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    format_string = " ".join("{{{key}:{width}}}".format(
240
 
        width = max(len(tablewords[key]),
241
 
                    max(len(valuetostring(client[key], key))
242
 
                        for client in clients)),
243
 
        key = key)
244
 
                             for key in keywords)
 
237
            width = max(len(tablewords[key]),
 
238
                        max(len(valuetostring(client[key],
 
239
                                              key))
 
240
                            for client in
 
241
                            clients)),
 
242
            key = key) for key in keywords)
245
243
    # Print header line
246
244
    print(format_string.format(**tablewords))
247
245
    for client in clients:
248
 
        print(format_string.format(**{
249
 
            key: valuetostring(client[key], key)
250
 
            for key in keywords }))
251
 
 
 
246
        print(format_string.format(**dict((key,
 
247
                                           valuetostring(client[key],
 
248
                                                         key))
 
249
                                          for key in keywords)))
252
250
 
253
251
def has_actions(options):
254
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    return any((options.enable,
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                options.approve,
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                options.deny))
272
270
 
273
 
 
274
271
def main():
275
272
    parser = argparse.ArgumentParser()
276
273
    parser.add_argument("--version", action="version",
277
 
                        version = "%(prog)s {}".format(version),
 
274
                        version = "%(prog)s {0}".format(version),
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                        help="show version number and exit")
279
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    parser.add_argument("-a", "--all", action="store_true",
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                        help="Select all clients")
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    parser.add_argument("--approval-duration",
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                        help="Set duration of one client approval")
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    parser.add_argument("-H", "--host", help="Set host for client")
316
 
    parser.add_argument("-s", "--secret",
317
 
                        type=argparse.FileType(mode="rb"),
 
313
    parser.add_argument("-s", "--secret", type=file,
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                        help="Set password blob (file) for client")
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    parser.add_argument("-A", "--approve", action="store_true",
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                        help="Approve any current client request")
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        bus = dbus.SystemBus()
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        mandos_dbus_objc = bus.get_object(busname, server_path)
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    except dbus.exceptions.DBusException:
344
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
340
        print("Could not connect to Mandos server",
 
341
              file=sys.stderr)
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        sys.exit(1)
346
343
    
347
344
    mandos_serv = dbus.Interface(mandos_dbus_objc,
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                                 dbus_interface = server_interface)
349
 
    mandos_serv_object_manager = dbus.Interface(
350
 
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
351
346
    
352
347
    #block stderr since dbus library prints to stderr
353
348
    null = os.open(os.path.devnull, os.O_RDWR)
356
351
    os.close(null)
357
352
    try:
358
353
        try:
359
 
            mandos_clients = { path: ifs_and_props[client_interface]
360
 
                               for path, ifs_and_props in
361
 
                               mandos_serv_object_manager
362
 
                               .GetManagedObjects().items()
363
 
                               if client_interface in ifs_and_props }
 
354
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
364
355
        finally:
365
356
            #restore stderr
366
357
            os.dup2(stderrcopy, sys.stderr.fileno())
367
358
            os.close(stderrcopy)
368
 
    except dbus.exceptions.DBusException as e:
369
 
        print("Access denied: Accessing mandos server through D-Bus: {}"
370
 
              .format(e), file=sys.stderr)
 
359
    except dbus.exceptions.DBusException:
 
360
        print("Access denied: Accessing mandos server through dbus.",
 
361
              file=sys.stderr)
371
362
        sys.exit(1)
372
363
    
373
364
    # Compile dict of (clients: properties) to process
374
365
    clients={}
375
366
    
376
367
    if options.all or not options.client:
377
 
        clients = { bus.get_object(busname, path): properties
378
 
                    for path, properties in mandos_clients.items() }
 
368
        clients = dict((bus.get_object(busname, path), properties)
 
369
                       for path, properties in
 
370
                       mandos_clients.iteritems())
379
371
    else:
380
372
        for name in options.client:
381
 
            for path, client in mandos_clients.items():
 
373
            for path, client in mandos_clients.iteritems():
382
374
                if client["Name"] == name:
383
375
                    client_objc = bus.get_object(busname, path)
384
376
                    clients[client_objc] = client
385
377
                    break
386
378
            else:
387
 
                print("Client not found on server: {!r}"
 
379
                print("Client not found on server: {0!r}"
388
380
                      .format(name), file=sys.stderr)
389
381
                sys.exit(1)
390
382
    
391
383
    if not has_actions(options) and clients:
392
384
        if options.verbose:
393
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
394
 
                        "Created", "Interval", "Host", "Fingerprint",
395
 
                        "CheckerRunning", "LastEnabled",
396
 
                        "ApprovalPending", "ApprovedByDefault",
 
385
            keywords = ("Name", "Enabled", "Timeout",
 
386
                        "LastCheckedOK", "Created", "Interval",
 
387
                        "Host", "Fingerprint", "CheckerRunning",
 
388
                        "LastEnabled", "ApprovalPending",
 
389
                        "ApprovedByDefault",
397
390
                        "LastApprovalRequest", "ApprovalDelay",
398
391
                        "ApprovalDuration", "Checker",
399
392
                        "ExtendedTimeout")
404
397
    else:
405
398
        # Process each client in the list by all selected options
406
399
        for client in clients:
407
 
            
408
400
            def set_client_prop(prop, value):
409
401
                """Set a Client D-Bus property"""
410
402
                client.Set(client_interface, prop, value,
411
403
                           dbus_interface=dbus.PROPERTIES_IFACE)
412
 
            
413
404
            def set_client_prop_ms(prop, value):
414
405
                """Set a Client D-Bus property, converted
415
406
                from a string to milliseconds."""
416
407
                set_client_prop(prop,
417
 
                                string_to_delta(value).total_seconds()
418
 
                                * 1000)
419
 
            
 
408
                                timedelta_to_milliseconds
 
409
                                (string_to_delta(value)))
420
410
            if options.remove:
421
411
                mandos_serv.RemoveClient(client.__dbus_object_path__)
422
412
            if options.enable:
466
456
                client.Approve(dbus.Boolean(False),
467
457
                               dbus_interface=client_interface)
468
458
 
469
 
 
470
459
if __name__ == "__main__":
471
460
    main()