/mandos/release

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  • Committer: Teddy Hogeborn
  • Date: 2014-08-20 21:46:38 UTC
  • mto: (237.7.304 trunk)
  • mto: This revision was merged to the branch mainline in revision 323.
  • Revision ID: teddy@recompile.se-20140820214638-k4naueej6hffdgfg
mandos-client: Bug fix: Check fork() return value.

When executing network hook scripts, check fork() return value.

* plugins.d/mandos-client.c (run_network_hooks): Bug fix: check if
                                                 fork() returns -1.

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Lines of Context:
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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    "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 = "1.7.1"
76
 
 
77
 
 
78
 
try:
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    dbus.OBJECT_MANAGER_IFACE
80
 
except AttributeError:
81
 
    dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
 
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version = "1.6.8"
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def milliseconds_to_string(ms):
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    td = datetime.timedelta(0, 0, 0, ms)
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    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))
 
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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,
 
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                    ))
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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", (
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",
 
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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"
 
118
                                              # containing digits
 
119
                                    "value",  # datetime.timedelta or
 
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                                              # None
 
121
                                    "followers")) # Tokens valid after
 
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                                                  # 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())
127
126
    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),
151
 
                       frozenset((token_end, )))
 
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                       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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    # Define starting values
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    value = datetime.timedelta() # Value so far
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    found_token = None
159
 
    followers = frozenset((token_duration, )) # Following valid tokens
 
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    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:
179
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                break
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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
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    # 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
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191
 
    >>> string_to_delta('7d')
 
189
    >>> string_to_delta("7d")
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    datetime.timedelta(7)
193
 
    >>> string_to_delta('60s')
 
191
    >>> string_to_delta("60s")
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    datetime.timedelta(0, 60)
195
 
    >>> string_to_delta('60m')
 
193
    >>> string_to_delta("60m")
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    datetime.timedelta(0, 3600)
197
 
    >>> string_to_delta('24h')
 
195
    >>> string_to_delta("24h")
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    datetime.timedelta(1)
199
 
    >>> string_to_delta('1w')
 
197
    >>> string_to_delta("1w")
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    datetime.timedelta(7)
201
 
    >>> string_to_delta('5m 30s')
 
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    >>> 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(
240
 
        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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            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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    # 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(**{
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            key: valuetostring(client[key], key)
250
 
            for key in keywords }))
251
 
 
 
246
        print(format_string.format(**{ key:
 
247
                                           valuetostring(client[key],
 
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                                                         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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        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)
 
341
        print("Could not connect to Mandos server",
 
342
              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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                                 dbus_interface = server_interface)
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    mandos_serv_object_manager = dbus.Interface(
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        mandos_dbus_objc, dbus_interface = dbus.OBJECT_MANAGER_IFACE)
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    #block stderr since dbus library prints to stderr
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    null = os.open(os.path.devnull, os.O_RDWR)
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    os.close(null)
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    try:
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        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 }
 
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            mandos_clients = mandos_serv.GetAllClientsWithProperties()
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        finally:
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            #restore stderr
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            os.dup2(stderrcopy, sys.stderr.fileno())
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            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)
 
360
    except dbus.exceptions.DBusException:
 
361
        print("Access denied: Accessing mandos server through dbus.",
 
362
              file=sys.stderr)
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        sys.exit(1)
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    # Compile dict of (clients: properties) to process
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    if not has_actions(options) and clients:
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        if options.verbose:
393
 
            keywords = ("Name", "Enabled", "Timeout", "LastCheckedOK",
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                        "Created", "Interval", "Host", "Fingerprint",
395
 
                        "CheckerRunning", "LastEnabled",
396
 
                        "ApprovalPending", "ApprovedByDefault",
 
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            keywords = ("Name", "Enabled", "Timeout",
 
386
                        "LastCheckedOK", "Created", "Interval",
 
387
                        "Host", "Fingerprint", "CheckerRunning",
 
388
                        "LastEnabled", "ApprovalPending",
 
389
                        "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:
407
 
            
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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)
412
 
            
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            def set_client_prop_ms(prop, value):
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                """Set a Client D-Bus property, converted
415
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                from a string to milliseconds."""
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                set_client_prop(prop,
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                                string_to_delta(value).total_seconds()
418
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                                * 1000)
419
 
            
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            if options.remove:
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                mandos_serv.RemoveClient(client.__dbus_object_path__)
422
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            if options.enable:
466
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                client.Approve(dbus.Boolean(False),
467
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                               dbus_interface=client_interface)
468
458
 
469
 
 
470
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if __name__ == "__main__":
471
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    main()