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  • Committer: Teddy Hogeborn
  • Date: 2015-07-12 01:41:14 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 325.
  • Revision ID: teddy@recompile.se-20150712014114-qbala4mutkixxct3
Handle local Zeroconf service name collisions on startup, too.

* mandos (AvahiService.server_state_changed): Catch name collision
                                              error when adding
                                              server.

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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 © 2008-2014 Teddy Hogeborn
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# Copyright © 2008-2014 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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import dbus
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45
 
if sys.version_info[0] == 2:
 
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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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    "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"
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version = "1.6.7"
 
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version = "1.6.9"
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77
 
def timedelta_to_milliseconds(td):
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    """Convert a datetime.timedelta object to milliseconds"""
79
 
    return ((td.days * 24 * 60 * 60 * 1000)
80
 
            + (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}"
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            .format(days = "{0}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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                    ))
 
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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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93
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def rfc3339_duration_to_delta(duration):
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    # avoid excessive use of external libraries.
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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
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                                              # None
127
 
                                    "followers")) # Tokens valid after
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                                                  # this token
 
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    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.
131
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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),
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                         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),
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                       frozenset((token_end,)))
 
146
                       frozenset((token_end, )))
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    token_duration = Token(re.compile(r"P"), None,
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                           frozenset((token_year, token_month,
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                                      token_day, token_time,
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                                      token_week))),
 
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                                      token_week)))
161
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    # Define starting values
162
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    value = datetime.timedelta() # Value so far
163
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    found_token = None
164
 
    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
167
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    while found_token is not token_end:
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                break
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        else:
186
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            # No currently valid tokens were found
187
 
            raise ValueError("Invalid RFC 3339 duration")
 
177
            raise ValueError("Invalid RFC 3339 duration: {!r}"
 
178
                             .format(duration))
188
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    # End token found
189
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    return value
190
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192
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def string_to_delta(interval):
193
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    """Parse a string and return a datetime.timedelta
194
185
    
195
 
    >>> string_to_delta("7d")
 
186
    >>> string_to_delta('7d')
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    datetime.timedelta(7)
197
 
    >>> string_to_delta("60s")
 
188
    >>> string_to_delta('60s')
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    datetime.timedelta(0, 60)
199
 
    >>> string_to_delta("60m")
 
190
    >>> string_to_delta('60m')
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    datetime.timedelta(0, 3600)
201
 
    >>> string_to_delta("24h")
 
192
    >>> string_to_delta('24h')
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    datetime.timedelta(1)
203
 
    >>> string_to_delta("1w")
 
194
    >>> string_to_delta('1w')
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    datetime.timedelta(7)
205
 
    >>> string_to_delta("5m 30s")
 
196
    >>> string_to_delta('5m 30s')
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    datetime.timedelta(0, 330)
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    """
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            value += datetime.timedelta(0, 0, 0, int(num))
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    return value
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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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    # Create format string to print table rows
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    format_string = " ".join("{{{key}:{width}}}".format(
243
 
            width = max(len(tablewords[key]),
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                        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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        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:
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        print(format_string.format(**dict((key,
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                                           valuetostring(client[key],
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                                                         key))
255
 
                                          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 }))
 
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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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def main():
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    parser = argparse.ArgumentParser()
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    parser.add_argument("--version", action="version",
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                        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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        bus = dbus.SystemBus()
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        mandos_dbus_objc = bus.get_object(busname, server_path)
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    except dbus.exceptions.DBusException:
347
 
        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:
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        clients = dict((bus.get_object(busname, path), properties)
376
 
                       for path, properties in
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                       mandos_clients.items())
 
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        clients = { bus.get_object(busname, path): properties
 
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                    for path, properties in mandos_clients.items() }
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    else:
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        for name in options.client:
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            for path, client in mandos_clients.iteritems():
 
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            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:
386
 
                print("Client not found on server: {0!r}"
 
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                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:
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            keywords = ("Name", "Enabled", "Timeout",
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                        "LastCheckedOK", "Created", "Interval",
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                        "Host", "Fingerprint", "CheckerRunning",
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                        "LastEnabled", "ApprovalPending",
396
 
                        "ApprovedByDefault",
 
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            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
 
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                        "Created", "Interval", "Host", "Fingerprint",
 
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                        "CheckerRunning", "LastEnabled",
 
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                        "ApprovalPending", "ApprovedByDefault",
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                        "LastApprovalRequest", "ApprovalDelay",
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                        "ApprovalDuration", "Checker",
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                        "ExtendedTimeout")
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    else:
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        # Process each client in the list by all selected options
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        for client in clients:
 
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            def set_client_prop(prop, value):
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                """Set a Client D-Bus property"""
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                client.Set(client_interface, prop, value,
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                           dbus_interface=dbus.PROPERTIES_IFACE)
 
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            def set_client_prop_ms(prop, value):
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                """Set a Client D-Bus property, converted
413
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                from a string to milliseconds."""
414
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                set_client_prop(prop,
415
 
                                timedelta_to_milliseconds
416
 
                                (string_to_delta(value)))
 
406
                                string_to_delta(value).total_seconds()
 
407
                                * 1000)
 
408
            
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            if options.remove:
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                mandos_serv.RemoveClient(client.__dbus_object_path__)
419
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            if options.enable:
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                client.Approve(dbus.Boolean(False),
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                               dbus_interface=client_interface)
465
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458
 
466
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if __name__ == "__main__":
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    main()