nft-table-test.c
/*
* (C) 2013 by Ana Rey Botello <anarey@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>
#include <linux/netfilter/nf_tables.h>
#include <libnftnl/table.h>
static int test_ok = 1;
static void print_err(const char *msg)
{
test_ok = 0;
printf("\033[31mERROR:\e[0m %s\n", msg);
}
static void cmp_nftnl_table(struct nftnl_table *a, struct nftnl_table *b)
{
if (strcmp(nftnl_table_get_str(a, NFTNL_TABLE_NAME),
nftnl_table_get_str(b, NFTNL_TABLE_NAME)) != 0)
print_err("table name mismatches");
if (nftnl_table_get_u32(a, NFTNL_TABLE_FLAGS) !=
nftnl_table_get_u32(b, NFTNL_TABLE_FLAGS))
print_err("table flags mismatches");
if (nftnl_table_get_u32(a, NFTNL_TABLE_FAMILY) !=
nftnl_table_get_u32(b, NFTNL_TABLE_FAMILY))
print_err("tabke family mismatches");
}
int main(int argc, char *argv[])
{
char buf[4096];
struct nlmsghdr *nlh;
struct nftnl_table *a = NULL;
struct nftnl_table *b = NULL;
a = nftnl_table_alloc();
b = nftnl_table_alloc();
if (a == NULL || b == NULL)
print_err("OOM");
nftnl_table_set_str(a, NFTNL_TABLE_NAME, "test");
nftnl_table_set_u32(a, NFTNL_TABLE_FAMILY, AF_INET);
nftnl_table_set_u32(a, NFTNL_TABLE_FLAGS, 0);
/* cmd extracted from include/linux/netfilter/nf_tables.h */
nlh = nftnl_table_nlmsg_build_hdr(buf, NFT_MSG_NEWTABLE, AF_INET, 0,
1234);
nftnl_table_nlmsg_build_payload(nlh, a);
if (nftnl_table_nlmsg_parse(nlh, b) < 0)
print_err("parsing problems");
cmp_nftnl_table(a,b);
nftnl_table_free(a);
nftnl_table_free(b);
if (!test_ok)
exit(EXIT_FAILURE);
printf("%s: \033[32mOK\e[0m\n", argv[0]);
return EXIT_SUCCESS;
}
nftnl_table
Definition: table.c:28