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