libnftnl 1.2.9
nft-table-test.c
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * (C) 2013 by Ana Rey Botello <anarey@gmail.com>
4 */
5
6#include <stdio.h>
7#include <stdlib.h>
8#include <string.h>
9#include <netinet/in.h>
10
11#include <linux/netfilter/nf_tables.h>
12#include <libnftnl/table.h>
13
14static int test_ok = 1;
15
16static void print_err(const char *msg)
17{
18 test_ok = 0;
19 printf("\033[31mERROR:\e[0m %s\n", msg);
20}
21
22static void cmp_nftnl_table(struct nftnl_table *a, struct nftnl_table *b)
23{
24 if (strcmp(nftnl_table_get_str(a, NFTNL_TABLE_NAME),
25 nftnl_table_get_str(b, NFTNL_TABLE_NAME)) != 0)
26 print_err("table name mismatches");
27 if (nftnl_table_get_u32(a, NFTNL_TABLE_FLAGS) !=
28 nftnl_table_get_u32(b, NFTNL_TABLE_FLAGS))
29 print_err("table flags mismatches");
30 if (nftnl_table_get_u32(a, NFTNL_TABLE_FAMILY) !=
31 nftnl_table_get_u32(b, NFTNL_TABLE_FAMILY))
32 print_err("table family mismatches");
33}
34
35int main(int argc, char *argv[])
36{
37 char buf[4096];
38 struct nlmsghdr *nlh;
39
40 struct nftnl_table *a = NULL;
41 struct nftnl_table *b = NULL;
42 a = nftnl_table_alloc();
43 b = nftnl_table_alloc();
44
45 if (a == NULL || b == NULL)
46 print_err("OOM");
47
48 nftnl_table_set_str(a, NFTNL_TABLE_NAME, "test");
49 nftnl_table_set_u32(a, NFTNL_TABLE_FAMILY, AF_INET);
50 nftnl_table_set_u32(a, NFTNL_TABLE_FLAGS, 0);
51
52 /* cmd extracted from include/linux/netfilter/nf_tables.h */
53 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWTABLE, AF_INET, 0, 1234);
54 nftnl_table_nlmsg_build_payload(nlh, a);
55
56 if (nftnl_table_nlmsg_parse(nlh, b) < 0)
57 print_err("parsing problems");
58
59 cmp_nftnl_table(a,b);
60
61 nftnl_table_free(a);
62 nftnl_table_free(b);
63 if (!test_ok)
64 exit(EXIT_FAILURE);
65
66 printf("%s: \033[32mOK\e[0m\n", argv[0]);
67 return EXIT_SUCCESS;
68}