/*
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* Shared library add-on for iptables to add IDLETIMER support.
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*
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* Copyright (C) 2010 Nokia Corporation. All rights reserved.
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <xtables.h>
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#include <linux/netfilter/xt_IDLETIMER.h>
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enum {
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O_TIMEOUT = 0,
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O_LABEL,
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O_NETLINK,
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};
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#define s struct idletimer_tg_info
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static const struct xt_option_entry idletimer_tg_opts[] = {
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{.name = "timeout", .id = O_TIMEOUT, .type = XTTYPE_UINT32,
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.flags = XTOPT_MAND | XTOPT_PUT, XTOPT_POINTER(s, timeout)},
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{.name = "label", .id = O_LABEL, .type = XTTYPE_STRING,
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.flags = XTOPT_MAND | XTOPT_PUT, XTOPT_POINTER(s, label)},
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{.name = "send_nl_msg", .id = O_NETLINK, .type = XTTYPE_UINT8,
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.flags = XTOPT_PUT, XTOPT_POINTER(s, send_nl_msg)},
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XTOPT_TABLEEND,
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};
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#undef s
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static void idletimer_tg_help(void)
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{
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printf(
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"IDLETIMER target options:\n"
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" --timeout time Timeout until the notification is sent (in seconds)\n"
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" --label string Unique rule identifier\n"
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" --send_nl_msg (0/1) Enable netlink messages,"
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" and show remaining time in sysfs. Defaults to 0.\n"
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"\n");
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}
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static void idletimer_tg_print(const void *ip,
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const struct xt_entry_target *target,
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int numeric)
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{
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struct idletimer_tg_info *info =
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(struct idletimer_tg_info *) target->data;
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printf(" timeout:%u", info->timeout);
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printf(" label:%s", info->label);
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printf(" send_nl_msg:%u", info->send_nl_msg);
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}
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static void idletimer_tg_save(const void *ip,
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const struct xt_entry_target *target)
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{
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struct idletimer_tg_info *info =
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(struct idletimer_tg_info *) target->data;
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printf(" --timeout %u", info->timeout);
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printf(" --label %s", info->label);
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printf(" --send_nl_msg %u", info->send_nl_msg);
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}
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static struct xtables_target idletimer_tg_reg = {
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.family = NFPROTO_UNSPEC,
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.name = "IDLETIMER",
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.version = XTABLES_VERSION,
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.revision = 1,
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.size = XT_ALIGN(sizeof(struct idletimer_tg_info)),
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.userspacesize = offsetof(struct idletimer_tg_info, timer),
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.help = idletimer_tg_help,
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.x6_parse = xtables_option_parse,
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.print = idletimer_tg_print,
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.save = idletimer_tg_save,
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.x6_options = idletimer_tg_opts,
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};
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void _init(void)
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{
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xtables_register_target(&idletimer_tg_reg);
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}
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