libnftnl 1.2.6
nft-table-test.c
1/*
2 * (C) 2013 by Ana Rey Botello <anarey@gmail.com>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 */
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14#include <netinet/in.h>
15
16#include <linux/netfilter/nf_tables.h>
17#include <libnftnl/table.h>
18
19static int test_ok = 1;
20
21static void print_err(const char *msg)
22{
23 test_ok = 0;
24 printf("\033[31mERROR:\e[0m %s\n", msg);
25}
26
27static void cmp_nftnl_table(struct nftnl_table *a, struct nftnl_table *b)
28{
29 if (strcmp(nftnl_table_get_str(a, NFTNL_TABLE_NAME),
30 nftnl_table_get_str(b, NFTNL_TABLE_NAME)) != 0)
31 print_err("table name mismatches");
32 if (nftnl_table_get_u32(a, NFTNL_TABLE_FLAGS) !=
33 nftnl_table_get_u32(b, NFTNL_TABLE_FLAGS))
34 print_err("table flags mismatches");
35 if (nftnl_table_get_u32(a, NFTNL_TABLE_FAMILY) !=
36 nftnl_table_get_u32(b, NFTNL_TABLE_FAMILY))
37 print_err("table family mismatches");
38}
39
40int main(int argc, char *argv[])
41{
42 char buf[4096];
43 struct nlmsghdr *nlh;
44
45 struct nftnl_table *a = NULL;
46 struct nftnl_table *b = NULL;
47 a = nftnl_table_alloc();
48 b = nftnl_table_alloc();
49
50 if (a == NULL || b == NULL)
51 print_err("OOM");
52
53 nftnl_table_set_str(a, NFTNL_TABLE_NAME, "test");
54 nftnl_table_set_u32(a, NFTNL_TABLE_FAMILY, AF_INET);
55 nftnl_table_set_u32(a, NFTNL_TABLE_FLAGS, 0);
56
57 /* cmd extracted from include/linux/netfilter/nf_tables.h */
58 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWTABLE, AF_INET, 0, 1234);
59 nftnl_table_nlmsg_build_payload(nlh, a);
60
61 if (nftnl_table_nlmsg_parse(nlh, b) < 0)
62 print_err("parsing problems");
63
64 cmp_nftnl_table(a,b);
65
66 nftnl_table_free(a);
67 nftnl_table_free(b);
68 if (!test_ok)
69 exit(EXIT_FAILURE);
70
71 printf("%s: \033[32mOK\e[0m\n", argv[0]);
72 return EXIT_SUCCESS;
73}