9 #include <netinet/in.h>
10 #include <netinet/ip.h>
12 #include <linux/netfilter/nf_tables.h>
13 #include <libmnl/libmnl.h>
14 #include <libnftnl/rule.h>
15 #include <libnftnl/expr.h>
17 static int test_ok = 1;
19 static void print_err(
const char *msg)
22 printf(
"\033[31mERROR:\e[0m %s\n", msg);
25 static void cmp_nftnl_expr(
struct nftnl_expr *rule_a,
26 struct nftnl_expr *rule_b)
28 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SREG) !=
29 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SREG))
30 print_err(
"Expr NFTNL_EXPR_HASH_SREG mismatches");
31 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_DREG) !=
32 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_DREG))
33 print_err(
"Expr NFTNL_EXPR_HASH_DREG mismatches");
34 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_MODULUS) !=
35 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_MODULUS))
36 print_err(
"Expr NFTNL_EXPR_HASH_MODULUS mismatches");
37 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SEED) !=
38 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SEED))
39 print_err(
"Expr NFTNL_EXPR_HASH_SEED mismatches");
40 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_OFFSET) !=
41 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_OFFSET))
42 print_err(
"Expr NFTNL_EXPR_HASH_OFFSET mismatches");
43 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_TYPE) !=
44 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_TYPE))
45 print_err(
"Expr NFTNL_EXPR_HASH_TYPE mismatches");
48 int main(
int argc,
char *argv[])
50 struct nftnl_rule *a, *b;
51 struct nftnl_expr *ex;
55 struct nftnl_expr *rule_a, *rule_b;
57 a = nftnl_rule_alloc();
58 b = nftnl_rule_alloc();
59 if (a == NULL || b == NULL)
61 ex = nftnl_expr_alloc(
"hash");
65 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SREG, 0x1234568);
66 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_DREG, 0x78123456);
67 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_MODULUS, 0x78123456);
68 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SEED, 0x78123456);
69 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_OFFSET, 0x3612845);
70 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_TYPE, NFT_HASH_JENKINS);
72 nftnl_rule_add_expr(a, ex);
74 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
75 nftnl_rule_nlmsg_build_payload(nlh, a);
76 if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
77 print_err(
"parsing problems");
79 iter_a = nftnl_expr_iter_create(a);
80 iter_b = nftnl_expr_iter_create(b);
81 if (iter_a == NULL || iter_b == NULL)
84 rule_a = nftnl_expr_iter_next(iter_a);
85 rule_b = nftnl_expr_iter_next(iter_b);
86 if (rule_a == NULL || rule_b == NULL)
89 cmp_nftnl_expr(rule_a, rule_b);
91 if (nftnl_expr_iter_next(iter_a) != NULL ||
92 nftnl_expr_iter_next(iter_b) != NULL)
93 print_err(
"More 1 expr.");
95 nftnl_expr_iter_destroy(iter_a);
96 nftnl_expr_iter_destroy(iter_b);
103 printf(
"%s: \033[32mOK\e[0m\n", argv[0]);