nft-set-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/set.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_set(struct nftnl_set *a, struct nftnl_set *b)
{
if (strcmp(nftnl_set_get_str(a, NFTNL_SET_TABLE),
nftnl_set_get_str(b, NFTNL_SET_TABLE)) != 0)
print_err("Set table mismatches");
if (strcmp(nftnl_set_get_str(a, NFTNL_SET_NAME),
nftnl_set_get_str(b, NFTNL_SET_NAME)) != 0)
print_err("Set name mismatches");
if (nftnl_set_get_u32(a, NFTNL_SET_FLAGS) !=
nftnl_set_get_u32(b, NFTNL_SET_FLAGS))
print_err("Set flags mismatches");
if (nftnl_set_get_u32(a, NFTNL_SET_KEY_TYPE) !=
nftnl_set_get_u32(b, NFTNL_SET_KEY_TYPE))
print_err("Set key-type mismatches");
if (nftnl_set_get_u32(a, NFTNL_SET_KEY_LEN) !=
nftnl_set_get_u32(b, NFTNL_SET_KEY_LEN))
print_err("Set key-len mismatches");
if (nftnl_set_get_u32(a, NFTNL_SET_DATA_TYPE) !=
nftnl_set_get_u32(b, NFTNL_SET_DATA_TYPE))
print_err("Set data-type mismatches");
if (nftnl_set_get_u32(a, NFTNL_SET_DATA_LEN) !=
nftnl_set_get_u32(b, NFTNL_SET_DATA_LEN))
print_err("Set data-len mismatches");
if (strcmp(nftnl_set_get_str(a, NFTNL_SET_USERDATA),
nftnl_set_get_str(b, NFTNL_SET_USERDATA)) != 0)
print_err("Set userdata mismatches");
}
int main(int argc, char *argv[])
{
struct nftnl_set *a, *b = NULL;
char buf[4096];
struct nlmsghdr *nlh;
a = nftnl_set_alloc();
b = nftnl_set_alloc();
if (a == NULL || b == NULL)
print_err("OOM");
nftnl_set_set_str(a, NFTNL_SET_TABLE, "test-table");
nftnl_set_set_str(a, NFTNL_SET_NAME, "test-name");
nftnl_set_set_u32(a, NFTNL_SET_FLAGS, 0x12345678);
nftnl_set_set_u32(a, NFTNL_SET_KEY_TYPE, 0x12345678);
nftnl_set_set_u32(a, NFTNL_SET_KEY_LEN, 0x12345678);
nftnl_set_set_u32(a, NFTNL_SET_DATA_TYPE, 0x12345678);
nftnl_set_set_u32(a, NFTNL_SET_DATA_LEN, 0x12345678);
nftnl_set_set_u32(a, NFTNL_SET_FAMILY, 0x12345678);
nftnl_set_set_str(a, NFTNL_SET_USERDATA, "testing user data");
/* cmd extracted from include/linux/netfilter/nf_tables.h */
nlh = nftnl_set_nlmsg_build_hdr(buf, NFT_MSG_NEWSET, AF_INET, 0, 1234);
nftnl_set_nlmsg_build_payload(nlh, a);
if (nftnl_set_nlmsg_parse(nlh, b) < 0)
print_err("parsing problems");
cmp_nftnl_set(a,b);
nftnl_set_free(a); nftnl_set_free(b);
if (!test_ok)
exit(EXIT_FAILURE);
printf("%s: \033[32mOK\e[0m\n", argv[0]);
return EXIT_SUCCESS;
}