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/*
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* libxt_time - iptables part for xt_time
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* Copyright © CC Computer Consultants GmbH, 2007
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* Contact: <jengelh@computergmbh.de>
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*
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* libxt_time.c 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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* the Free Software Foundation; either version 2 or 3 of the License.
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*
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* Based on libipt_time.c.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <linux/types.h>
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#include <linux/netfilter/xt_time.h>
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#include <xtables.h>
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enum {
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O_DATE_START = 0,
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O_DATE_STOP,
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O_TIME_START,
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O_TIME_STOP,
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O_TIME_CONTIGUOUS,
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O_MONTHDAYS,
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O_WEEKDAYS,
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O_LOCAL_TZ,
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O_UTC,
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O_KERNEL_TZ,
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F_LOCAL_TZ = 1 << O_LOCAL_TZ,
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F_UTC = 1 << O_UTC,
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F_KERNEL_TZ = 1 << O_KERNEL_TZ,
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F_TIME_CONTIGUOUS = 1 << O_TIME_CONTIGUOUS,
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};
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static const char *const week_days[] = {
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NULL, "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun",
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};
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static const struct xt_option_entry time_opts[] = {
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{.name = "datestart", .id = O_DATE_START, .type = XTTYPE_STRING},
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{.name = "datestop", .id = O_DATE_STOP, .type = XTTYPE_STRING},
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{.name = "timestart", .id = O_TIME_START, .type = XTTYPE_STRING},
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{.name = "timestop", .id = O_TIME_STOP, .type = XTTYPE_STRING},
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{.name = "contiguous", .id = O_TIME_CONTIGUOUS, .type = XTTYPE_NONE},
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{.name = "weekdays", .id = O_WEEKDAYS, .type = XTTYPE_STRING,
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.flags = XTOPT_INVERT},
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{.name = "monthdays", .id = O_MONTHDAYS, .type = XTTYPE_STRING,
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.flags = XTOPT_INVERT},
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{.name = "localtz", .id = O_LOCAL_TZ, .type = XTTYPE_NONE,
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.excl = F_UTC},
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{.name = "utc", .id = O_UTC, .type = XTTYPE_NONE,
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.excl = F_LOCAL_TZ | F_KERNEL_TZ},
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{.name = "kerneltz", .id = O_KERNEL_TZ, .type = XTTYPE_NONE,
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.excl = F_UTC},
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XTOPT_TABLEEND,
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};
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static void time_help(void)
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{
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printf(
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"time match options:\n"
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" --datestart time Start and stop time, to be given in ISO 8601\n"
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" --datestop time (YYYY[-MM[-DD[Thh[:mm[:ss]]]]])\n"
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" --timestart time Start and stop daytime (hh:mm[:ss])\n"
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" --timestop time (between 00:00:00 and 23:59:59)\n"
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"[!] --monthdays value List of days on which to match, separated by comma\n"
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" (Possible days: 1 to 31; defaults to all)\n"
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"[!] --weekdays value List of weekdays on which to match, sep. by comma\n"
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" (Possible days: Mon,Tue,Wed,Thu,Fri,Sat,Sun or 1 to 7\n"
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" Defaults to all weekdays.)\n"
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" --kerneltz Work with the kernel timezone instead of UTC\n");
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}
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static void time_init(struct xt_entry_match *m)
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{
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struct xt_time_info *info = (void *)m->data;
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/* By default, we match on every day, every daytime */
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info->monthdays_match = XT_TIME_ALL_MONTHDAYS;
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info->weekdays_match = XT_TIME_ALL_WEEKDAYS;
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info->daytime_start = XT_TIME_MIN_DAYTIME;
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info->daytime_stop = XT_TIME_MAX_DAYTIME;
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/* ...and have no date-begin or date-end boundary */
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info->date_start = 0;
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info->date_stop = INT_MAX;
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}
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static time_t time_parse_date(const char *s)
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{
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unsigned int month = 1, day = 1, hour = 0, minute = 0, second = 0;
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unsigned int year;
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const char *os = s;
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struct tm tm;
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time_t ret;
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char *e;
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year = strtoul(s, &e, 10);
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if ((*e != '-' && *e != '\0') || year < 1970 || year > 2038)
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goto out;
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if (*e == '\0')
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goto eval;
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s = e + 1;
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month = strtoul(s, &e, 10);
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if ((*e != '-' && *e != '\0') || month > 12)
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goto out;
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if (*e == '\0')
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goto eval;
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s = e + 1;
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day = strtoul(s, &e, 10);
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if ((*e != 'T' && *e != '\0') || day > 31)
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goto out;
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if (*e == '\0')
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goto eval;
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s = e + 1;
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hour = strtoul(s, &e, 10);
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if ((*e != ':' && *e != '\0') || hour > 23)
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goto out;
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if (*e == '\0')
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goto eval;
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s = e + 1;
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minute = strtoul(s, &e, 10);
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if ((*e != ':' && *e != '\0') || minute > 59)
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goto out;
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if (*e == '\0')
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goto eval;
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s = e + 1;
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second = strtoul(s, &e, 10);
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if (*e != '\0' || second > 59)
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goto out;
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eval:
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tm.tm_year = year - 1900;
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tm.tm_mon = month - 1;
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tm.tm_mday = day;
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tm.tm_hour = hour;
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tm.tm_min = minute;
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tm.tm_sec = second;
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tm.tm_isdst = 0;
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/*
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* Offsetting, if any, is done by xt_time.ko,
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* so we have to disable it here in userspace.
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*/
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setenv("TZ", "UTC", true);
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tzset();
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ret = mktime(&tm;;
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if (ret >= 0)
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return ret;
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d1fe03 |
perror("mktime");
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xtables_error(OTHER_PROBLEM, "mktime returned an error");
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out:
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xtables_error(PARAMETER_PROBLEM, "Invalid date \"%s\" specified. Should "
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"be YYYY[-MM[-DD[Thh[:mm[:ss]]]]]", os);
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return -1;
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d1fe03 |
}
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d1fe03 |
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d1fe03 |
static unsigned int time_parse_minutes(const char *s)
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{
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d1fe03 |
unsigned int hour, minute, second = 0;
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d1fe03 |
char *e;
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d1fe03 |
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d1fe03 |
hour = strtoul(s, &e, 10);
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d1fe03 |
if (*e != ':' || hour > 23)
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d1fe03 |
goto out;
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d1fe03 |
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d1fe03 |
s = e + 1;
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minute = strtoul(s, &e, 10);
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d1fe03 |
if ((*e != ':' && *e != '\0') || minute > 59)
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d1fe03 |
goto out;
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d1fe03 |
if (*e == '\0')
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d1fe03 |
goto eval;
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d1fe03 |
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d1fe03 |
s = e + 1;
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d1fe03 |
second = strtoul(s, &e, 10);
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d1fe03 |
if (*e != '\0' || second > 59)
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d1fe03 |
goto out;
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d1fe03 |
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d1fe03 |
eval:
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return 60 * 60 * hour + 60 * minute + second;
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d1fe03 |
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out:
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xtables_error(PARAMETER_PROBLEM, "invalid time \"%s\" specified, "
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d1fe03 |
"should be hh:mm[:ss] format and within the boundaries", s);
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d1fe03 |
return -1;
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d1fe03 |
}
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d1fe03 |
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d1fe03 |
static const char *my_strseg(char *buf, unsigned int buflen,
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d1fe03 |
const char **arg, char delim)
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d1fe03 |
{
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d1fe03 |
const char *sep;
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d1fe03 |
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d1fe03 |
if (*arg == NULL || **arg == '\0')
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d1fe03 |
return NULL;
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d1fe03 |
sep = strchr(*arg, delim);
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d1fe03 |
if (sep == NULL) {
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d1fe03 |
snprintf(buf, buflen, "%s", *arg);
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d1fe03 |
*arg = NULL;
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Packit Service |
d1fe03 |
return buf;
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d1fe03 |
}
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d1fe03 |
snprintf(buf, buflen, "%.*s", (unsigned int)(sep - *arg), *arg);
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d1fe03 |
*arg = sep + 1;
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d1fe03 |
return buf;
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d1fe03 |
}
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d1fe03 |
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d1fe03 |
static uint32_t time_parse_monthdays(const char *arg)
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d1fe03 |
{
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d1fe03 |
char day[3], *err = NULL;
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d1fe03 |
uint32_t ret = 0;
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d1fe03 |
unsigned int i;
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d1fe03 |
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d1fe03 |
while (my_strseg(day, sizeof(day), &arg, ',') != NULL) {
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d1fe03 |
i = strtoul(day, &err, 0);
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|
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d1fe03 |
if ((*err != ',' && *err != '\0') || i > 31)
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|
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d1fe03 |
xtables_error(PARAMETER_PROBLEM,
|
|
Packit Service |
d1fe03 |
"%s is not a valid day for --monthdays", day);
|
|
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d1fe03 |
ret |= 1 << i;
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|
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d1fe03 |
}
|
|
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d1fe03 |
|
|
Packit Service |
d1fe03 |
return ret;
|
|
Packit Service |
d1fe03 |
}
|
|
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d1fe03 |
|
|
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d1fe03 |
static unsigned int time_parse_weekdays(const char *arg)
|
|
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d1fe03 |
{
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|
Packit Service |
d1fe03 |
char day[4], *err = NULL;
|
|
Packit Service |
d1fe03 |
unsigned int i, ret = 0;
|
|
Packit Service |
d1fe03 |
bool valid;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
while (my_strseg(day, sizeof(day), &arg, ',') != NULL) {
|
|
Packit Service |
d1fe03 |
i = strtoul(day, &err, 0);
|
|
Packit Service |
d1fe03 |
if (*err == '\0') {
|
|
Packit Service |
d1fe03 |
if (i == 0)
|
|
Packit Service |
d1fe03 |
xtables_error(PARAMETER_PROBLEM,
|
|
Packit Service |
d1fe03 |
"No, the week does NOT begin with Sunday.");
|
|
Packit Service |
d1fe03 |
ret |= 1 << i;
|
|
Packit Service |
d1fe03 |
continue;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
valid = false;
|
|
Packit Service |
d1fe03 |
for (i = 1; i < ARRAY_SIZE(week_days); ++i)
|
|
Packit Service |
d1fe03 |
if (strncmp(day, week_days[i], 2) == 0) {
|
|
Packit Service |
d1fe03 |
ret |= 1 << i;
|
|
Packit Service |
d1fe03 |
valid = true;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
if (!valid)
|
|
Packit Service |
d1fe03 |
xtables_error(PARAMETER_PROBLEM,
|
|
Packit Service |
d1fe03 |
"%s is not a valid day specifier", day);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
return ret;
|
|
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d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_parse(struct xt_option_call *cb)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
struct xt_time_info *info = cb->data;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
xtables_option_parse(cb);
|
|
Packit Service |
d1fe03 |
switch (cb->entry->id) {
|
|
Packit Service |
d1fe03 |
case O_DATE_START:
|
|
Packit Service |
d1fe03 |
info->date_start = time_parse_date(cb->arg);
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_DATE_STOP:
|
|
Packit Service |
d1fe03 |
info->date_stop = time_parse_date(cb->arg);
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_TIME_START:
|
|
Packit Service |
d1fe03 |
info->daytime_start = time_parse_minutes(cb->arg);
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_TIME_STOP:
|
|
Packit Service |
d1fe03 |
info->daytime_stop = time_parse_minutes(cb->arg);
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_TIME_CONTIGUOUS:
|
|
Packit Service |
d1fe03 |
info->flags |= XT_TIME_CONTIGUOUS;
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_LOCAL_TZ:
|
|
Packit Service |
d1fe03 |
fprintf(stderr, "WARNING: --localtz is being replaced by "
|
|
Packit Service |
d1fe03 |
"--kerneltz, since \"local\" is ambiguous. Note the "
|
|
Packit Service |
d1fe03 |
"kernel timezone has caveats - "
|
|
Packit Service |
d1fe03 |
"see manpage for details.\n");
|
|
Packit Service |
d1fe03 |
/* fallthrough */
|
|
Packit Service |
d1fe03 |
case O_KERNEL_TZ:
|
|
Packit Service |
d1fe03 |
info->flags |= XT_TIME_LOCAL_TZ;
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_MONTHDAYS:
|
|
Packit Service |
d1fe03 |
info->monthdays_match = time_parse_monthdays(cb->arg);
|
|
Packit Service |
d1fe03 |
if (cb->invert)
|
|
Packit Service |
d1fe03 |
info->monthdays_match ^= XT_TIME_ALL_MONTHDAYS;
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case O_WEEKDAYS:
|
|
Packit Service |
d1fe03 |
info->weekdays_match = time_parse_weekdays(cb->arg);
|
|
Packit Service |
d1fe03 |
if (cb->invert)
|
|
Packit Service |
d1fe03 |
info->weekdays_match ^= XT_TIME_ALL_WEEKDAYS;
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_print_date(time_t date, const char *command)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
struct tm *t;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
/* If it is the default value, do not print it. */
|
|
Packit Service |
d1fe03 |
if (date == 0 || date == LONG_MAX)
|
|
Packit Service |
d1fe03 |
return;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
t = gmtime(&date);
|
|
Packit Service |
d1fe03 |
if (command != NULL)
|
|
Packit Service |
d1fe03 |
/*
|
|
Packit Service |
d1fe03 |
* Need a contiguous string (no whitespaces), hence using
|
|
Packit Service |
d1fe03 |
* the ISO 8601 "T" variant.
|
|
Packit Service |
d1fe03 |
*/
|
|
Packit Service |
d1fe03 |
printf(" %s %04u-%02u-%02uT%02u:%02u:%02u",
|
|
Packit Service |
d1fe03 |
command, t->tm_year + 1900, t->tm_mon + 1,
|
|
Packit Service |
d1fe03 |
t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
|
|
Packit Service |
d1fe03 |
else
|
|
Packit Service |
d1fe03 |
printf(" %04u-%02u-%02u %02u:%02u:%02u",
|
|
Packit Service |
d1fe03 |
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
|
|
Packit Service |
d1fe03 |
t->tm_hour, t->tm_min, t->tm_sec);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_print_monthdays(uint32_t mask, bool human_readable)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
unsigned int i, nbdays = 0;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
printf(" ");
|
|
Packit Service |
d1fe03 |
for (i = 1; i <= 31; ++i)
|
|
Packit Service |
d1fe03 |
if (mask & (1 << i)) {
|
|
Packit Service |
d1fe03 |
if (nbdays++ > 0)
|
|
Packit Service |
d1fe03 |
printf(",");
|
|
Packit Service |
d1fe03 |
printf("%u", i);
|
|
Packit Service |
d1fe03 |
if (human_readable)
|
|
Packit Service |
d1fe03 |
switch (i % 10) {
|
|
Packit Service |
d1fe03 |
case 1:
|
|
Packit Service |
d1fe03 |
printf("st");
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case 2:
|
|
Packit Service |
d1fe03 |
printf("nd");
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
case 3:
|
|
Packit Service |
d1fe03 |
printf("rd");
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
default:
|
|
Packit Service |
d1fe03 |
printf("th");
|
|
Packit Service |
d1fe03 |
break;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_print_weekdays(unsigned int mask)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
unsigned int i, nbdays = 0;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
printf(" ");
|
|
Packit Service |
d1fe03 |
for (i = 1; i <= 7; ++i)
|
|
Packit Service |
d1fe03 |
if (mask & (1 << i)) {
|
|
Packit Service |
d1fe03 |
if (nbdays > 0)
|
|
Packit Service |
d1fe03 |
printf(",%s", week_days[i]);
|
|
Packit Service |
d1fe03 |
else
|
|
Packit Service |
d1fe03 |
printf("%s", week_days[i]);
|
|
Packit Service |
d1fe03 |
++nbdays;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static inline void divide_time(unsigned int fulltime, unsigned int *hours,
|
|
Packit Service |
d1fe03 |
unsigned int *minutes, unsigned int *seconds)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
*seconds = fulltime % 60;
|
|
Packit Service |
d1fe03 |
fulltime /= 60;
|
|
Packit Service |
d1fe03 |
*minutes = fulltime % 60;
|
|
Packit Service |
d1fe03 |
*hours = fulltime / 60;
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_print(const void *ip, const struct xt_entry_match *match,
|
|
Packit Service |
d1fe03 |
int numeric)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
const struct xt_time_info *info = (const void *)match->data;
|
|
Packit Service |
d1fe03 |
unsigned int h, m, s;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
printf(" TIME");
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
if (info->daytime_start != XT_TIME_MIN_DAYTIME ||
|
|
Packit Service |
d1fe03 |
info->daytime_stop != XT_TIME_MAX_DAYTIME) {
|
|
Packit Service |
d1fe03 |
divide_time(info->daytime_start, &h, &m, &s);
|
|
Packit Service |
d1fe03 |
printf(" from %02u:%02u:%02u", h, m, s);
|
|
Packit Service |
d1fe03 |
divide_time(info->daytime_stop, &h, &m, &s);
|
|
Packit Service |
d1fe03 |
printf(" to %02u:%02u:%02u", h, m, s);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->weekdays_match != XT_TIME_ALL_WEEKDAYS) {
|
|
Packit Service |
d1fe03 |
printf(" on");
|
|
Packit Service |
d1fe03 |
time_print_weekdays(info->weekdays_match);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->monthdays_match != XT_TIME_ALL_MONTHDAYS) {
|
|
Packit Service |
d1fe03 |
printf(" on");
|
|
Packit Service |
d1fe03 |
time_print_monthdays(info->monthdays_match, true);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->date_start != 0) {
|
|
Packit Service |
d1fe03 |
printf(" starting from");
|
|
Packit Service |
d1fe03 |
time_print_date(info->date_start, NULL);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->date_stop != INT_MAX) {
|
|
Packit Service |
d1fe03 |
printf(" until date");
|
|
Packit Service |
d1fe03 |
time_print_date(info->date_stop, NULL);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (!(info->flags & XT_TIME_LOCAL_TZ))
|
|
Packit Service |
d1fe03 |
printf(" UTC");
|
|
Packit Service |
d1fe03 |
if (info->flags & XT_TIME_CONTIGUOUS)
|
|
Packit Service |
d1fe03 |
printf(" contiguous");
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_save(const void *ip, const struct xt_entry_match *match)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
const struct xt_time_info *info = (const void *)match->data;
|
|
Packit Service |
d1fe03 |
unsigned int h, m, s;
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
if (info->daytime_start != XT_TIME_MIN_DAYTIME ||
|
|
Packit Service |
d1fe03 |
info->daytime_stop != XT_TIME_MAX_DAYTIME) {
|
|
Packit Service |
d1fe03 |
divide_time(info->daytime_start, &h, &m, &s);
|
|
Packit Service |
d1fe03 |
printf(" --timestart %02u:%02u:%02u", h, m, s);
|
|
Packit Service |
d1fe03 |
divide_time(info->daytime_stop, &h, &m, &s);
|
|
Packit Service |
d1fe03 |
printf(" --timestop %02u:%02u:%02u", h, m, s);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->monthdays_match != XT_TIME_ALL_MONTHDAYS) {
|
|
Packit Service |
d1fe03 |
printf(" --monthdays");
|
|
Packit Service |
d1fe03 |
time_print_monthdays(info->monthdays_match, false);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
if (info->weekdays_match != XT_TIME_ALL_WEEKDAYS) {
|
|
Packit Service |
d1fe03 |
printf(" --weekdays");
|
|
Packit Service |
d1fe03 |
time_print_weekdays(info->weekdays_match);
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
time_print_date(info->date_start, "--datestart");
|
|
Packit Service |
d1fe03 |
time_print_date(info->date_stop, "--datestop");
|
|
Packit Service |
d1fe03 |
if (info->flags & XT_TIME_LOCAL_TZ)
|
|
Packit Service |
d1fe03 |
printf(" --kerneltz");
|
|
Packit Service |
d1fe03 |
if (info->flags & XT_TIME_CONTIGUOUS)
|
|
Packit Service |
d1fe03 |
printf(" --contiguous");
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static void time_check(struct xt_fcheck_call *cb)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
const struct xt_time_info *info = (const void *) cb->data;
|
|
Packit Service |
d1fe03 |
if ((cb->xflags & F_TIME_CONTIGUOUS) &&
|
|
Packit Service |
d1fe03 |
info->daytime_start < info->daytime_stop)
|
|
Packit Service |
d1fe03 |
xtables_error(PARAMETER_PROBLEM,
|
|
Packit Service |
d1fe03 |
"time: --contiguous only makes sense when stoptime is smaller than starttime");
|
|
Packit Service |
d1fe03 |
}
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
static struct xtables_match time_match = {
|
|
Packit Service |
d1fe03 |
.name = "time",
|
|
Packit Service |
d1fe03 |
.family = NFPROTO_UNSPEC,
|
|
Packit Service |
d1fe03 |
.version = XTABLES_VERSION,
|
|
Packit Service |
d1fe03 |
.size = XT_ALIGN(sizeof(struct xt_time_info)),
|
|
Packit Service |
d1fe03 |
.userspacesize = XT_ALIGN(sizeof(struct xt_time_info)),
|
|
Packit Service |
d1fe03 |
.help = time_help,
|
|
Packit Service |
d1fe03 |
.init = time_init,
|
|
Packit Service |
d1fe03 |
.print = time_print,
|
|
Packit Service |
d1fe03 |
.save = time_save,
|
|
Packit Service |
d1fe03 |
.x6_parse = time_parse,
|
|
Packit Service |
d1fe03 |
.x6_fcheck = time_check,
|
|
Packit Service |
d1fe03 |
.x6_options = time_opts,
|
|
Packit Service |
d1fe03 |
};
|
|
Packit Service |
d1fe03 |
|
|
Packit Service |
d1fe03 |
void _init(void)
|
|
Packit Service |
d1fe03 |
{
|
|
Packit Service |
d1fe03 |
xtables_register_match(&time_match);
|
|
Packit Service |
d1fe03 |
}
|