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89 lines
2.2 KiB
89 lines
2.2 KiB
/* |
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* (C) 2011 by Pablo Neira Ayuso <pablo@netfilter.org> |
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* (C) 2011 by Intra2Net AG <http://www.intra2net.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 (or |
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* any later at your option) as published by the Free Software Foundation. |
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*/ |
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#include <stdbool.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <getopt.h> |
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#include <xtables.h> |
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#include <linux/netfilter/x_tables.h> |
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#include <linux/netfilter/xt_nfacct.h> |
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enum { |
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O_NAME = 0, |
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}; |
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#define s struct xt_nfacct_match_info |
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static const struct xt_option_entry nfacct_opts[] = { |
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{.name = "nfacct-name", .id = O_NAME, .type = XTTYPE_STRING, |
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.min = 1, .flags = XTOPT_MAND|XTOPT_PUT, XTOPT_POINTER(s, name)}, |
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XTOPT_TABLEEND, |
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}; |
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#undef s |
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static void nfacct_help(void) |
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{ |
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printf("nfacct match options:\n" |
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" --nfacct-name STRING Name of accouting area\n"); |
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} |
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static void nfacct_parse(struct xt_option_call *cb) |
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{ |
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xtables_option_parse(cb); |
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switch (cb->entry->id) { |
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case O_NAME: |
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if (strchr(cb->arg, '\n') != NULL) |
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xtables_error(PARAMETER_PROBLEM, |
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"Newlines not allowed in --nfacct-name"); |
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break; |
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} |
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} |
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static void |
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nfacct_print_name(const struct xt_nfacct_match_info *info, char *name) |
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{ |
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printf(" %snfacct-name ", name); |
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xtables_save_string(info->name); |
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} |
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static void nfacct_print(const void *ip, const struct xt_entry_match *match, |
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int numeric) |
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{ |
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const struct xt_nfacct_match_info *info = |
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(struct xt_nfacct_match_info *)match->data; |
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nfacct_print_name(info, ""); |
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} |
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static void nfacct_save(const void *ip, const struct xt_entry_match *match) |
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{ |
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const struct xt_nfacct_match_info *info = |
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(struct xt_nfacct_match_info *)match->data; |
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nfacct_print_name(info, "--"); |
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} |
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static struct xtables_match nfacct_match = { |
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.family = NFPROTO_UNSPEC, |
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.name = "nfacct", |
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.version = XTABLES_VERSION, |
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.size = XT_ALIGN(sizeof(struct xt_nfacct_match_info)), |
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.userspacesize = offsetof(struct xt_nfacct_match_info, nfacct), |
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.help = nfacct_help, |
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.x6_parse = nfacct_parse, |
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.print = nfacct_print, |
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.save = nfacct_save, |
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.x6_options = nfacct_opts, |
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}; |
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void _init(void) |
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{ |
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xtables_register_match(&nfacct_match); |
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}
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