nft-object-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/object.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_obj(struct nftnl_obj *a, struct nftnl_obj *b)
{
if (strcmp(nftnl_obj_get_str(a, NFTNL_OBJ_TABLE),
nftnl_obj_get_str(b, NFTNL_OBJ_TABLE)) != 0)
print_err("table name mismatches");
if (strcmp(nftnl_obj_get_str(a, NFTNL_OBJ_NAME),
nftnl_obj_get_str(b, NFTNL_OBJ_NAME)) != 0)
print_err("name mismatches");
if (nftnl_obj_get_u32(a, NFTNL_OBJ_FAMILY) !=
nftnl_obj_get_u32(b, NFTNL_OBJ_FAMILY))
print_err("family mismatches");
if (nftnl_obj_get_u32(a, NFTNL_OBJ_TYPE) !=
nftnl_obj_get_u32(b, NFTNL_OBJ_TYPE))
print_err("type mismatches");
}
int main(int argc, char *argv[])
{
char buf[4096];
struct nlmsghdr *nlh;
struct nftnl_obj *a;
struct nftnl_obj *b;
a = nftnl_obj_alloc();
b = nftnl_obj_alloc();
if (a == NULL || b == NULL)
print_err("OOM");
nftnl_obj_set_str(a, NFTNL_OBJ_TABLE, "test");
nftnl_obj_set_str(a, NFTNL_OBJ_NAME, "test");
nftnl_obj_set_u32(a, NFTNL_OBJ_FAMILY, AF_INET);
nftnl_obj_set_u32(a, NFTNL_OBJ_USE, 1);
nftnl_obj_set_u64(a, NFTNL_OBJ_CTR_BYTES, 0x12345678abcd);
nftnl_obj_set_u64(a, NFTNL_OBJ_CTR_PKTS, 0xcd12345678ab);
/* cmd extracted from include/linux/netfilter/nf_tables.h */
nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWOBJ, AF_INET, 0, 1234);
nftnl_obj_nlmsg_build_payload(nlh, a);
if (nftnl_obj_nlmsg_parse(nlh, b) < 0)
print_err("parsing problems");
cmp_nftnl_obj(a, b);
nftnl_obj_free(a);
nftnl_obj_free(b);
if (!test_ok)
exit(EXIT_FAILURE);
printf("%s: \033[32mOK\e[0m\n", argv[0]);
return EXIT_SUCCESS;
}