static void time_parse(struct xt_option_call *cb)
{
struct xt_time_info *info = cb->data;
xtables_option_parse(cb);
switch (cb->entry->id) {
case O_DATE_START:
info->date_start = time_parse_date(cb->arg, false);
break;
case O_DATE_STOP:
info->date_stop = time_parse_date(cb->arg, true);
break;
case O_TIME_START:
info->daytime_start = time_parse_minutes(cb->arg);
break;
case O_TIME_STOP:
info->daytime_stop = time_parse_minutes(cb->arg);
break;
case O_TIME_CONTIGUOUS:
info->flags |= XT_TIME_CONTIGUOUS;
break;
case O_LOCAL_TZ:
fprintf(stderr, "WARNING: --localtz is being replaced by "
"--kerneltz, since \"local\" is ambiguous. Note the "
"kernel timezone has caveats - "
"see manpage for details.\n");
/* fallthrough */
case O_KERNEL_TZ:
info->flags |= XT_TIME_LOCAL_TZ;
break;
case O_MONTHDAYS:
info->monthdays_match = time_parse_monthdays(cb->arg);
if (cb->invert)
info->monthdays_match ^= XT_TIME_ALL_MONTHDAYS;
break;
case O_WEEKDAYS:
info->weekdays_match = time_parse_weekdays(cb->arg);
if (cb->invert)
info->weekdays_match ^= XT_TIME_ALL_WEEKDAYS;
break;
}
}
static int time_parse(int c, char **argv, int invert, unsigned int *flags,
const void *entry, struct xt_entry_match **match)
{
struct xt_time_info *info = (void *)(*match)->data;
switch (c) {
case 'D': /* --datestart */
if (*flags & F_DATE_START)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --datestart twice");
if (invert)
xtables_error(PARAMETER_PROBLEM,
"Unexpected \"!\" with --datestart");
info->date_start = time_parse_date(optarg, false);
*flags |= F_DATE_START;
return 1;
case 'E': /* --datestop */
if (*flags & F_DATE_STOP)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --datestop more than once");
if (invert)
xtables_error(PARAMETER_PROBLEM,
"unexpected \"!\" with --datestop");
info->date_stop = time_parse_date(optarg, true);
*flags |= F_DATE_STOP;
return 1;
case 'X': /* --timestart */
if (*flags & F_TIME_START)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --timestart more than once");
if (invert)
xtables_error(PARAMETER_PROBLEM,
"Unexpected \"!\" with --timestart");
info->daytime_start = time_parse_minutes(optarg);
*flags |= F_TIME_START;
return 1;
case 'Y': /* --timestop */
if (*flags & F_TIME_STOP)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --timestop more than once");
if (invert)
xtables_error(PARAMETER_PROBLEM,
"Unexpected \"!\" with --timestop");
info->daytime_stop = time_parse_minutes(optarg);
*flags |= F_TIME_STOP;
return 1;
case 'l': /* --localtz */
if (*flags & F_TIMEZONE)
xtables_error(PARAMETER_PROBLEM,
"Can only specify exactly one of --localtz or --utc");
info->flags |= XT_TIME_LOCAL_TZ;
*flags |= F_TIMEZONE;
return 1;
case 'm': /* --monthdays */
if (*flags & F_MONTHDAYS)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --monthdays more than once");
info->monthdays_match = time_parse_monthdays(optarg);
if (invert)
info->monthdays_match ^= XT_TIME_ALL_MONTHDAYS;
*flags |= F_MONTHDAYS;
return 1;
case 'w': /* --weekdays */
if (*flags & F_WEEKDAYS)
xtables_error(PARAMETER_PROBLEM,
"Cannot specify --weekdays more than once");
info->weekdays_match = time_parse_weekdays(optarg);
if (invert)
info->weekdays_match ^= XT_TIME_ALL_WEEKDAYS;
*flags |= F_WEEKDAYS;
return 1;
case 'u': /* --utc */
if (*flags & F_TIMEZONE)
xtables_error(PARAMETER_PROBLEM,
"Can only specify exactly one of --localtz or --utc");
info->flags &= ~XT_TIME_LOCAL_TZ;
*flags |= F_TIMEZONE;
return 1;
}
return 0;
}
