14#include <netinet/in.h>
15#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>
22static int test_ok = 1;
24static void print_err(
const char *msg)
27 printf(
"\033[31mERROR:\e[0m %s\n", msg);
30static void cmp_nftnl_expr(
struct nftnl_expr *rule_a,
31 struct nftnl_expr *rule_b)
33 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SREG) !=
34 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SREG))
35 print_err(
"Expr NFTNL_EXPR_HASH_SREG mismatches");
36 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_DREG) !=
37 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_DREG))
38 print_err(
"Expr NFTNL_EXPR_HASH_DREG mismatches");
39 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_MODULUS) !=
40 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_MODULUS))
41 print_err(
"Expr NFTNL_EXPR_HASH_MODULUS mismatches");
42 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SEED) !=
43 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SEED))
44 print_err(
"Expr NFTNL_EXPR_HASH_SEED mismatches");
45 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_OFFSET) !=
46 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_OFFSET))
47 print_err(
"Expr NFTNL_EXPR_HASH_OFFSET mismatches");
48 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_TYPE) !=
49 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_TYPE))
50 print_err(
"Expr NFTNL_EXPR_HASH_TYPE mismatches");
53int main(
int argc,
char *argv[])
55 struct nftnl_rule *a, *b;
56 struct nftnl_expr *ex;
60 struct nftnl_expr *rule_a, *rule_b;
62 a = nftnl_rule_alloc();
63 b = nftnl_rule_alloc();
64 if (a == NULL || b == NULL)
66 ex = nftnl_expr_alloc(
"hash");
70 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SREG, 0x1234568);
71 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_DREG, 0x78123456);
72 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_MODULUS, 0x78123456);
73 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SEED, 0x78123456);
74 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_OFFSET, 0x3612845);
75 nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_TYPE, NFT_HASH_JENKINS);
77 nftnl_rule_add_expr(a, ex);
79 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
80 nftnl_rule_nlmsg_build_payload(nlh, a);
81 if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
82 print_err(
"parsing problems");
84 iter_a = nftnl_expr_iter_create(a);
85 iter_b = nftnl_expr_iter_create(b);
86 if (iter_a == NULL || iter_b == NULL)
89 rule_a = nftnl_expr_iter_next(iter_a);
90 rule_b = nftnl_expr_iter_next(iter_b);
91 if (rule_a == NULL || rule_b == NULL)
94 cmp_nftnl_expr(rule_a, rule_b);
96 if (nftnl_expr_iter_next(iter_a) != NULL ||
97 nftnl_expr_iter_next(iter_b) != NULL)
98 print_err(
"More 1 expr.");
100 nftnl_expr_iter_destroy(iter_a);
101 nftnl_expr_iter_destroy(iter_b);
108 printf(
"%s: \033[32mOK\e[0m\n", argv[0]);