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96 lines
2.9 KiB
96 lines
2.9 KiB
/* |
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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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