libnftnl  1.0.2
nft-rule-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 
15 #include <netinet/in.h>
16 #include <linux/netfilter/nf_tables.h>
17 #include <libnftnl/rule.h>
18 
19 static int test_ok = 1;
20 
21 static void print_err(const char *msg)
22 {
23  test_ok = 0;
24  printf("\033[31mERROR:\e[0m %s\n", msg);
25 }
26 
27 static void cmp_nft_rule(struct nft_rule *a, struct nft_rule *b)
28 {
29  if (nft_rule_attr_get_u32(a, NFT_RULE_ATTR_FAMILY) !=
30  nft_rule_attr_get_u32(b, NFT_RULE_ATTR_FAMILY))
31  print_err("Rule family mismatches");
32  if (strcmp(nft_rule_attr_get_str(a, NFT_RULE_ATTR_TABLE),
33  nft_rule_attr_get_str(b, NFT_RULE_ATTR_TABLE)) != 0)
34  print_err("Rule table mismatches");
35  if (strcmp(nft_rule_attr_get_str(a, NFT_RULE_ATTR_CHAIN),
36  nft_rule_attr_get_str(b, NFT_RULE_ATTR_CHAIN)) != 0)
37  print_err("Rule table mismatches");
38  if (nft_rule_attr_get_u64(a, NFT_RULE_ATTR_HANDLE) !=
39  nft_rule_attr_get_u64(b, NFT_RULE_ATTR_HANDLE))
40  print_err("Rule handle mismatches");
41  if (nft_rule_attr_get_u32(a, NFT_RULE_ATTR_COMPAT_PROTO) !=
42  nft_rule_attr_get_u32(b, NFT_RULE_ATTR_COMPAT_PROTO))
43  print_err("Rule compat_proto mismatches");
44  if (nft_rule_attr_get_u32(a, NFT_RULE_ATTR_COMPAT_FLAGS) !=
45  nft_rule_attr_get_u32(b, NFT_RULE_ATTR_COMPAT_FLAGS))
46  print_err("Rule compat_flags mismatches");
47  if (nft_rule_attr_get_u64(a, NFT_RULE_ATTR_POSITION) !=
48  nft_rule_attr_get_u64(b, NFT_RULE_ATTR_POSITION))
49  print_err("Rule compat_position mismatches");
50 }
51 
52 int main(int argc, char *argv[])
53 {
54  struct nft_rule *a, *b;
55  char buf[4096];
56  struct nlmsghdr *nlh;
57 
58  a = nft_rule_alloc();
59  b = nft_rule_alloc();
60  if (a == NULL || b == NULL)
61  print_err("OOM");
62 
63  nft_rule_attr_set_u32(a, NFT_RULE_ATTR_FAMILY, AF_INET);
64  nft_rule_attr_set_str(a, NFT_RULE_ATTR_TABLE, "table");
65  nft_rule_attr_set_str(a, NFT_RULE_ATTR_CHAIN, "chain");
66  nft_rule_attr_set_u64(a, NFT_RULE_ATTR_HANDLE, 0x1234567812345678);
67  nft_rule_attr_set_u32(a, NFT_RULE_ATTR_COMPAT_PROTO, 0x12345678);
68  nft_rule_attr_set_u32(a, NFT_RULE_ATTR_COMPAT_FLAGS, 0x12345678);
69  nft_rule_attr_set_u64(a, NFT_RULE_ATTR_POSITION, 0x1234567812345678);
70 
71  nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
72  nft_rule_nlmsg_build_payload(nlh, a);
73 
74  if (nft_rule_nlmsg_parse(nlh, b) < 0)
75  print_err("parsing problems");
76 
77  cmp_nft_rule(a,b);
78 
79  nft_rule_free(a);
80  nft_rule_free(b);
81  if (!test_ok)
82  exit(EXIT_FAILURE);
83 
84  printf("%s: \033[32mOK\e[0m\n", argv[0]);
85  return EXIT_SUCCESS;
86 }
Definition: rule.c:34