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  • Committer: Teddy Hogeborn
  • Date: 2015-05-31 16:13:39 UTC
  • Revision ID: teddy@recompile.se-20150531161339-igb3l0ip3c10ejpz
mandos-ctl: Generate better messages in exceptions.

mandos (rfc3339_duration_to_delta): Remove dead code.  Adjust white
                                    space.
mandos-ctl (rfc3339_duration_to_delta): Do minor formatting and
                                        whitespace adjustments, and
                                        Generate better message in
                                        exception.
(string_to_delta): Adjust quote character in doc string.

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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 © 2008-2012 Teddy Hogeborn
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# Copyright © 2008-2012 Björn Påhlsson
 
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# Copyright © 2008-2015 Teddy Hogeborn
 
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# Copyright © 2008-2015 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
 
from future_builtins import *
 
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try:
 
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    from future_builtins import *
 
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except ImportError:
 
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    pass
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import sys
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import argparse
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import dbus
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if sys.version_info.major == 2:
 
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    str = unicode
 
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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",
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    "ExtendedTimeout" : "Extended Timeout"
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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"
69
 
version = "1.6.3"
 
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version = "1.6.9"
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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)
79
 
    return ("{days}{hours:02}:{minutes:02}:{seconds:02}"
80
 
            .format(days = "{0}T".format(td.days) if td.days else "",
81
 
                    hours = td.seconds // 3600,
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                    minutes = (td.seconds % 3600) // 60,
83
 
                    seconds = td.seconds % 60,
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                    ))
 
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    return ("{days}{hours:02}:{minutes:02}:{seconds:02}".format(
 
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        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))
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def rfc3339_duration_to_delta(duration):
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    # avoid excessive use of external libraries.
112
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    # New type for defining tokens, syntax, and semantics all-in-one
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    Token = collections.namedtuple("Token",
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                                   ("regexp", # To match token; if
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                                              # "value" is not None,
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                                              # must have a "group"
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                                              # containing digits
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                                    "value",  # datetime.timedelta or
120
 
                                              # None
121
 
                                    "followers")) # Tokens valid after
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                                                  # this token
 
114
    Token = collections.namedtuple("Token", (
 
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        "regexp",  # To match token; if "value" is not None, must have
 
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                   # a "group" containing digits
 
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        "value",   # datetime.timedelta or None
 
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        "followers"))           # Tokens valid after this token
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    # RFC 3339 "duration" tokens, syntax, and semantics; taken from
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    # the "duration" ABNF definition in RFC 3339, Appendix A.
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    token_end = Token(re.compile(r"$"), None, frozenset())
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    token_second = Token(re.compile(r"(\d+)S"),
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                         datetime.timedelta(seconds=1),
128
 
                         frozenset((token_end,)))
 
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                         frozenset((token_end, )))
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    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)))
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    token_week = Token(re.compile(r"(\d+)W"),
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                       datetime.timedelta(weeks=1),
150
 
                       frozenset((token_end,)))
 
146
                       frozenset((token_end, )))
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    token_duration = Token(re.compile(r"P"), None,
152
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                           frozenset((token_year, token_month,
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                                      token_day, token_time,
154
 
                                      token_week))),
 
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                                      token_week)))
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    # Define starting values
156
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    value = datetime.timedelta() # Value so far
157
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    found_token = None
158
 
    followers = frozenset(token_duration,) # Following valid tokens
 
154
    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
161
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    while found_token is not token_end:
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                break
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        else:
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            # No currently valid tokens were found
181
 
            raise ValueError("Invalid RFC 3339 duration")
 
177
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
178
                             .format(duration))
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    # End token found
183
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    return value
184
181
 
186
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def string_to_delta(interval):
187
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    """Parse a string and return a datetime.timedelta
188
185
    
189
 
    >>> string_to_delta("7d")
 
186
    >>> string_to_delta('7d')
190
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    datetime.timedelta(7)
191
 
    >>> string_to_delta("60s")
 
188
    >>> string_to_delta('60s')
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    datetime.timedelta(0, 60)
193
 
    >>> string_to_delta("60m")
 
190
    >>> string_to_delta('60m')
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    datetime.timedelta(0, 3600)
195
 
    >>> string_to_delta("24h")
 
192
    >>> string_to_delta('24h')
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    datetime.timedelta(1)
197
 
    >>> string_to_delta("1w")
 
194
    >>> string_to_delta('1w')
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    datetime.timedelta(7)
199
 
    >>> string_to_delta("5m 30s")
 
196
    >>> string_to_delta('5m 30s')
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    datetime.timedelta(0, 330)
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    """
202
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            value += datetime.timedelta(0, 0, 0, int(num))
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    return value
225
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223
 
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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:
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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)
233
 
        return unicode(value)
 
231
        return str(value)
234
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    # Create format string to print table rows
236
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    format_string = " ".join("{{{key}:{width}}}".format(
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)
 
235
        width = max(len(tablewords[key]),
 
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                    max(len(valuetostring(client[key], key))
 
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                        for client in clients)),
 
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        key = key)
 
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                             for key in keywords)
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    # Print header line
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    print(format_string.format(**tablewords))
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    for client in clients:
246
 
        print(format_string.format(**dict((key,
247
 
                                           valuetostring(client[key],
248
 
                                                         key))
249
 
                                          for key in keywords)))
 
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        print(format_string.format(**{
 
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            key: valuetostring(client[key], key)
 
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            for key in keywords }))
 
246
 
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def has_actions(options):
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    return any((options.enable,
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                options.approve,
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                options.deny))
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268
 
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def main():
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    parser = argparse.ArgumentParser()
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    parser.add_argument("--version", action="version",
274
 
                        version = "%(prog)s {0}".format(version),
 
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                        version = "%(prog)s {}".format(version),
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                        help="show version number and exit")
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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")
313
 
    parser.add_argument("-s", "--secret", type=file,
 
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    parser.add_argument("-s", "--secret",
 
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                        type=argparse.FileType(mode="rb"),
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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:
340
 
        print("Could not connect to Mandos server",
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              file=sys.stderr)
 
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        print("Could not connect to Mandos server", file=sys.stderr)
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        sys.exit(1)
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    mandos_serv = dbus.Interface(mandos_dbus_objc,
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    clients={}
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    if options.all or not options.client:
368
 
        clients = dict((bus.get_object(busname, path), properties)
369
 
                       for path, properties in
370
 
                       mandos_clients.iteritems())
 
366
        clients = { bus.get_object(busname, path): properties
 
367
                    for path, properties in mandos_clients.items() }
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    else:
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        for name in options.client:
373
 
            for path, client in mandos_clients.iteritems():
 
370
            for path, client in mandos_clients.items():
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                if client["Name"] == name:
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                    client_objc = bus.get_object(busname, path)
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                    clients[client_objc] = client
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                    break
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            else:
379
 
                print("Client not found on server: {0!r}"
 
376
                print("Client not found on server: {!r}"
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                      .format(name), file=sys.stderr)
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                sys.exit(1)
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    if not has_actions(options) and clients:
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        if options.verbose:
385
 
            keywords = ("Name", "Enabled", "Timeout",
386
 
                        "LastCheckedOK", "Created", "Interval",
387
 
                        "Host", "Fingerprint", "CheckerRunning",
388
 
                        "LastEnabled", "ApprovalPending",
389
 
                        "ApprovedByDefault",
 
382
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
383
                        "Created", "Interval", "Host", "Fingerprint",
 
384
                        "CheckerRunning", "LastEnabled",
 
385
                        "ApprovalPending", "ApprovedByDefault",
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                        "LastApprovalRequest", "ApprovalDelay",
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                        "ApprovalDuration", "Checker",
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                        "ExtendedTimeout")
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    else:
398
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        # Process each client in the list by all selected options
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        for client in clients:
 
396
            
400
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            def set_client_prop(prop, value):
401
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                """Set a Client D-Bus property"""
402
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                client.Set(client_interface, prop, value,
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
401
            
404
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            def set_client_prop_ms(prop, value):
405
403
                """Set a Client D-Bus property, converted
406
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                from a string to milliseconds."""
407
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                set_client_prop(prop,
408
 
                                timedelta_to_milliseconds
409
 
                                (string_to_delta(value)))
 
406
                                string_to_delta(value).total_seconds()
 
407
                                * 1000)
 
408
            
410
409
            if options.remove:
411
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                mandos_serv.RemoveClient(client.__dbus_object_path__)
412
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            if options.enable:
456
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                client.Approve(dbus.Boolean(False),
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                               dbus_interface=client_interface)
458
457
 
 
458
 
459
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if __name__ == "__main__":
460
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    main()