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mandos
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            try:
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                logger.info(u"Starting checker %r for %s",
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                            command, self.name)
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                # We don't need to redirect stdout and stderr, since
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                # in normal mode, that is already done by daemon(),
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                # and in debug mode we don't want to.  (Stdin is
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                # always replaced by /dev/null.)
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                self.checker = subprocess.Popen(command,
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                                                close_fds=True,
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                                                shell=True, cwd="/")
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                self.checker_callback_tag = gobject.child_watch_add\
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                                            (self.checker.pid,
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                                             self.checker_callback)
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            except OSError, error:
 
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            except subprocess.OSError, error:
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                logger.error(u"Failed to start subprocess: %s",
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                             error)
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        # Re-run this periodically if run by gobject.timeout_add
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    datetime.timedelta(1)
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    >>> string_to_delta(u'1w')
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    datetime.timedelta(7)
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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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    timevalue = datetime.timedelta(0)
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    for s in interval.split():
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        try:
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            suffix=unicode(s[-1])
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            value=int(s[:-1])
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            if suffix == u"d":
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                delta = datetime.timedelta(value)
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            elif suffix == u"s":
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                delta = datetime.timedelta(0, value)
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            elif suffix == u"m":
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                delta = datetime.timedelta(0, 0, 0, 0, value)
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            elif suffix == u"h":
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                delta = datetime.timedelta(0, 0, 0, 0, 0, value)
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            elif suffix == u"w":
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                delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
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            else:
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                raise ValueError
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        except (ValueError, IndexError):
 
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    try:
 
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        suffix=unicode(interval[-1])
 
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        value=int(interval[:-1])
 
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        if suffix == u"d":
 
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            delta = datetime.timedelta(value)
 
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        elif suffix == u"s":
 
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            delta = datetime.timedelta(0, value)
 
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        elif suffix == u"m":
 
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            delta = datetime.timedelta(0, 0, 0, 0, value)
 
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        elif suffix == u"h":
 
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            delta = datetime.timedelta(0, 0, 0, 0, 0, value)
 
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        elif suffix == u"w":
 
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            delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
 
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        else:
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            raise ValueError
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        timevalue += delta
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    return timevalue
 
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    except (ValueError, IndexError):
 
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        raise ValueError
 
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    return delta
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def server_state_changed(state):
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    # Parse config file with clients
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    client_defaults = { "timeout": "1h",
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                        "interval": "5m",
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                        "checker": "fping -q -- %(host)s",
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                        "host": "",
 
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                        "checker": "fping -q -- %%(host)s",
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                        }
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    client_config = ConfigParser.SafeConfigParser(client_defaults)
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    client_config.read(os.path.join(server_settings["configdir"],
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        logger.critical(u"No clients defined")
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        sys.exit(1)
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    if debug:
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        # Redirect stdin so all checkers get /dev/null
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        null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
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        os.dup2(null, sys.stdin.fileno())
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        if null > 2:
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            os.close(null)
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    else:
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        # No console logging
 
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    if not debug:
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        logger.removeHandler(console)
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        # Close all input and output, do double fork, etc.
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        daemon()
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    pidfilename = "/var/run/mandos/mandos.pid"