libnftnl 1.2.6
nft-expr_quota-test.c
1/*
2 * (C) 2016 by Pablo Neira Ayuso <pablo@netfilter.org>
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 <netinet/ip.h>
17#include <linux/netfilter/nf_tables.h>
18#include <libmnl/libmnl.h>
19#include <libnftnl/rule.h>
20#include <libnftnl/expr.h>
21
22static int test_ok = 1;
23
24static void print_err(const char *msg)
25{
26 test_ok = 0;
27 printf("\033[31mERROR:\e[0m %s\n", msg);
28}
29
30static void cmp_nftnl_expr(struct nftnl_expr *rule_a, struct nftnl_expr *rule_b)
31{
32 if (nftnl_expr_get_u64(rule_a, NFTNL_EXPR_QUOTA_BYTES) !=
33 nftnl_expr_get_u64(rule_b, NFTNL_EXPR_QUOTA_BYTES))
34 print_err("Expr NFTNL_EXPR_QUOTA_BYTES mismatches");
35 if (nftnl_expr_get_u64(rule_a, NFTNL_EXPR_QUOTA_FLAGS) !=
36 nftnl_expr_get_u64(rule_b, NFTNL_EXPR_QUOTA_FLAGS))
37 print_err("Expr NFTNL_EXPR_QUOTA_FLAGS mismatches");
38}
39
40int main(int argc, char *argv[])
41{
42 struct nftnl_expr_iter *iter_a, *iter_b;
43 struct nftnl_expr *rule_a, *rule_b;
44 struct nftnl_rule *a, *b;
45 struct nftnl_expr *ex;
46 struct nlmsghdr *nlh;
47 char buf[4096];
48
49 a = nftnl_rule_alloc();
50 b = nftnl_rule_alloc();
51 if (a == NULL || b == NULL)
52 print_err("OOM");
53
54 ex = nftnl_expr_alloc("counter");
55 if (ex == NULL)
56 print_err("OOM");
57
58 nftnl_expr_set_u64(ex, NFTNL_EXPR_QUOTA_BYTES, 0x123456789abcdef0);
59 nftnl_expr_set_u32(ex, NFTNL_EXPR_QUOTA_FLAGS, 0x12345678);
60 nftnl_rule_add_expr(a, ex);
61
62 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
63 nftnl_rule_nlmsg_build_payload(nlh, a);
64
65 if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
66 print_err("parsing problems");
67
68 iter_a = nftnl_expr_iter_create(a);
69 iter_b = nftnl_expr_iter_create(b);
70 if (iter_a == NULL || iter_b == NULL)
71 print_err("OOM");
72 rule_a = nftnl_expr_iter_next(iter_a);
73 rule_b = nftnl_expr_iter_next(iter_b);
74 if (rule_a == NULL || rule_b == NULL)
75 print_err("OOM");
76
77 cmp_nftnl_expr(rule_a, rule_b);
78
79 if (nftnl_expr_iter_next(iter_a) != NULL ||
80 nftnl_expr_iter_next(iter_b) != NULL)
81 print_err("More 1 expr.");
82
83 nftnl_expr_iter_destroy(iter_a);
84 nftnl_expr_iter_destroy(iter_b);
85 nftnl_rule_free(a);
86 nftnl_rule_free(b);
87
88 if (!test_ok)
89 exit(EXIT_FAILURE);
90 printf("%s: \033[32mOK\e[0m\n", argv[0]);
91 return EXIT_SUCCESS;
92}