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  • Committer: Teddy Hogeborn
  • Date: 2014-08-09 23:37:07 UTC
  • Revision ID: teddy@recompile.se-20140809233707-6c5qyievp78lnzf1
askpass-fifo: Lower privileges after opening FIFO.

* plugins.d/askpass-fifo.c (main): Lower privileges after opening FIFO.

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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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import os
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import collections
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import doctest
42
 
import json
43
42
 
44
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import dbus
45
44
 
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    "ApprovalDelay": "Approval Delay",
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    "ApprovalDuration": "Approval Duration",
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    "Checker": "Checker",
68
 
    "ExtendedTimeout": "Extended Timeout",
69
 
    "Expires": "Expires",
70
 
    "LastCheckerStatus": "Last Checker Status",
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}
 
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    "ExtendedTimeout" : "Extended Timeout"
 
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    }
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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"
78
 
version = "1.7.10"
79
 
 
80
 
 
81
 
try:
82
 
    dbus.OBJECT_MANAGER_IFACE
83
 
except AttributeError:
84
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
75
version = "1.6.8"
85
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86
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def milliseconds_to_string(ms):
87
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    td = datetime.timedelta(0, 0, 0, ms)
88
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
89
 
        days = "{}T".format(td.days) if td.days else "",
90
 
        hours = td.seconds // 3600,
91
 
        minutes = (td.seconds % 3600) // 60,
92
 
        seconds = td.seconds % 60))
 
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    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
 
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            .format(days = "{}T".format(td.days) if td.days else "",
 
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                    hours = td.seconds // 3600,
 
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                    minutes = (td.seconds % 3600) // 60,
 
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                    seconds = td.seconds % 60,
 
84
                    ))
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94
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95
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def rfc3339_duration_to_delta(duration):
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    # avoid excessive use of external libraries.
120
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    # New type for defining tokens, syntax, and semantics all-in-one
122
 
    Token = collections.namedtuple("Token", (
123
 
        "regexp",  # To match token; if "value" is not None, must have
124
 
                   # a "group" containing digits
125
 
        "value",   # datetime.timedelta or None
126
 
        "followers"))           # Tokens valid after this token
 
114
    Token = collections.namedtuple("Token",
 
115
                                   ("regexp", # To match token; if
 
116
                                              # "value" is not None,
 
117
                                              # 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
127
123
    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
128
124
    # the "duration" ABNF definition in RFC 3339, Appendix A.
129
125
    token_end = Token(re.compile(r"$"), None, frozenset())
130
126
    token_second = Token(re.compile(r"(\d+)S"),
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                         datetime.timedelta(seconds=1),
132
 
                         frozenset((token_end, )))
 
128
                         frozenset((token_end,)))
133
129
    token_minute = Token(re.compile(r"(\d+)M"),
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                         datetime.timedelta(minutes=1),
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                         frozenset((token_second, token_end)))
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                       frozenset((token_month, token_end)))
152
148
    token_week = Token(re.compile(r"(\d+)W"),
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                       datetime.timedelta(weeks=1),
154
 
                       frozenset((token_end, )))
 
150
                       frozenset((token_end,)))
155
151
    token_duration = Token(re.compile(r"P"), None,
156
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                           frozenset((token_year, token_month,
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                                      token_day, token_time,
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    # Define starting values
160
156
    value = datetime.timedelta() # Value so far
161
157
    found_token = None
162
 
    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
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    while found_token is not token_end:
182
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                break
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        else:
184
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            # No currently valid tokens were found
185
 
            raise ValueError("Invalid RFC 3339 duration: {!r}"
186
 
                             .format(duration))
 
181
            raise ValueError("Invalid RFC 3339 duration")
187
182
    # End token found
188
183
    return value
189
184
 
191
186
def string_to_delta(interval):
192
187
    """Parse a string and return a datetime.timedelta
193
188
    
194
 
    >>> string_to_delta('7d')
 
189
    >>> string_to_delta("7d")
195
190
    datetime.timedelta(7)
196
 
    >>> string_to_delta('60s')
 
191
    >>> string_to_delta("60s")
197
192
    datetime.timedelta(0, 60)
198
 
    >>> string_to_delta('60m')
 
193
    >>> string_to_delta("60m")
199
194
    datetime.timedelta(0, 3600)
200
 
    >>> string_to_delta('24h')
 
195
    >>> string_to_delta("24h")
201
196
    datetime.timedelta(1)
202
 
    >>> string_to_delta('1w')
 
197
    >>> string_to_delta("1w")
203
198
    datetime.timedelta(7)
204
 
    >>> string_to_delta('5m 30s')
 
199
    >>> string_to_delta("5m 30s")
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    datetime.timedelta(0, 330)
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    """
207
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            value += datetime.timedelta(0, 0, 0, int(num))
229
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    return value
230
225
 
231
 
 
232
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def print_clients(clients, keywords):
233
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    def valuetostring(value, keyword):
234
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        if type(value) is dbus.Boolean:
240
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    # Create format string to print table rows
242
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    format_string = " ".join("{{{key}:{width}}}".format(
243
 
        width = max(len(tablewords[key]),
244
 
                    max(len(valuetostring(client[key], key))
245
 
                        for client in clients)),
246
 
        key = key)
247
 
                             for key in keywords)
 
237
            width = max(len(tablewords[key]),
 
238
                        max(len(valuetostring(client[key],
 
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                                              key))
 
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                            for client in
 
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                            clients)),
 
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            key = key) for key in keywords)
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    # Print header line
249
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    print(format_string.format(**tablewords))
250
245
    for client in clients:
251
 
        print(format_string.format(**{
252
 
            key: valuetostring(client[key], key)
253
 
            for key in keywords }))
254
 
 
 
246
        print(format_string.format(**{ key:
 
247
                                           valuetostring(client[key],
 
248
                                                         key)
 
249
                                       for key in keywords }))
255
250
 
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251
def has_actions(options):
257
252
    return any((options.enable,
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                options.approve,
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                options.deny))
275
270
 
276
 
 
277
271
def main():
278
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    parser = argparse.ArgumentParser()
279
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    parser.add_argument("--version", action="version",
283
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                        help="Select all clients")
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    parser.add_argument("-v", "--verbose", action="store_true",
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                        help="Print all fields")
286
 
    parser.add_argument("-j", "--dump-json", action="store_true",
287
 
                        help="Dump client data in JSON format")
288
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    parser.add_argument("-e", "--enable", action="store_true",
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                        help="Enable client")
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    parser.add_argument("-d", "--disable", action="store_true",
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    if has_actions(options) and not (options.client or options.all):
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        parser.error("Options require clients names or --all.")
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    if options.verbose and has_actions(options):
336
 
        parser.error("--verbose can only be used alone.")
337
 
    if options.dump_json and (options.verbose or has_actions(options)):
338
 
        parser.error("--dump-json can only be used alone.")
 
328
        parser.error("--verbose can only be used alone or with"
 
329
                     " --all.")
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    if options.all and not has_actions(options):
340
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        parser.error("--all requires an action.")
341
 
    
 
332
 
342
333
    if options.check:
343
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        fail_count, test_count = doctest.testmod()
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        sys.exit(os.EX_OK if fail_count == 0 else 1)
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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:
350
 
        print("Could not connect to Mandos server", file=sys.stderr)
 
341
        print("Could not connect to Mandos server",
 
342
              file=sys.stderr)
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        sys.exit(1)
352
344
    
353
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    mandos_serv = dbus.Interface(mandos_dbus_objc,
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                                 dbus_interface = server_interface)
355
 
    mandos_serv_object_manager = dbus.Interface(
356
 
        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
357
347
    
358
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    #block stderr since dbus library prints to stderr
359
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    null = os.open(os.path.devnull, os.O_RDWR)
362
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    os.close(null)
363
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    try:
364
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        try:
365
 
            mandos_clients = { path: ifs_and_props[client_interface]
366
 
                               for path, ifs_and_props in
367
 
                               mandos_serv_object_manager
368
 
                               .GetManagedObjects().items()
369
 
                               if client_interface in ifs_and_props }
 
355
            mandos_clients = mandos_serv.GetAllClientsWithProperties()
370
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        finally:
371
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            #restore stderr
372
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            os.dup2(stderrcopy, sys.stderr.fileno())
373
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            os.close(stderrcopy)
374
 
    except dbus.exceptions.DBusException as e:
375
 
        print("Access denied: Accessing mandos server through D-Bus: {}"
376
 
              .format(e), file=sys.stderr)
 
360
    except dbus.exceptions.DBusException:
 
361
        print("Access denied: Accessing mandos server through dbus.",
 
362
              file=sys.stderr)
377
363
        sys.exit(1)
378
364
    
379
365
    # Compile dict of (clients: properties) to process
395
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                sys.exit(1)
396
382
    
397
383
    if not has_actions(options) and clients:
398
 
        if options.verbose or options.dump_json:
399
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
400
 
                        "Created", "Interval", "Host", "Fingerprint",
401
 
                        "CheckerRunning", "LastEnabled",
402
 
                        "ApprovalPending", "ApprovedByDefault",
 
384
        if options.verbose:
 
385
            keywords = ("Name", "Enabled", "Timeout",
 
386
                        "LastCheckedOK", "Created", "Interval",
 
387
                        "Host", "Fingerprint", "CheckerRunning",
 
388
                        "LastEnabled", "ApprovalPending",
 
389
                        "ApprovedByDefault",
403
390
                        "LastApprovalRequest", "ApprovalDelay",
404
391
                        "ApprovalDuration", "Checker",
405
 
                        "ExtendedTimeout", "Expires",
406
 
                        "LastCheckerStatus")
 
392
                        "ExtendedTimeout")
407
393
        else:
408
394
            keywords = defaultkeywords
409
395
        
410
 
        if options.dump_json:
411
 
            json.dump({client["Name"]: {key:
412
 
                                        bool(client[key])
413
 
                                        if isinstance(client[key],
414
 
                                                      dbus.Boolean)
415
 
                                        else client[key]
416
 
                                        for key in keywords }
417
 
                       for client in clients.values() },
418
 
                      fp = sys.stdout, indent = 4,
419
 
                      separators = (',', ': '))
420
 
            print()
421
 
        else:
422
 
            print_clients(clients.values(), keywords)
 
396
        print_clients(clients.values(), keywords)
423
397
    else:
424
398
        # Process each client in the list by all selected options
425
399
        for client in clients:
426
 
            
427
400
            def set_client_prop(prop, value):
428
401
                """Set a Client D-Bus property"""
429
402
                client.Set(client_interface, prop, value,
430
403
                           dbus_interface=dbus.PROPERTIES_IFACE)
431
 
            
432
404
            def set_client_prop_ms(prop, value):
433
405
                """Set a Client D-Bus property, converted
434
406
                from a string to milliseconds."""
435
407
                set_client_prop(prop,
436
408
                                string_to_delta(value).total_seconds()
437
409
                                * 1000)
438
 
            
439
410
            if options.remove:
440
411
                mandos_serv.RemoveClient(client.__dbus_object_path__)
441
412
            if options.enable:
485
456
                client.Approve(dbus.Boolean(False),
486
457
                               dbus_interface=client_interface)
487
458
 
488
 
 
489
459
if __name__ == "__main__":
490
460
    main()