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_verdict(
struct nftnl_expr *rule_a,
26 struct nftnl_expr *rule_b)
28 const char *chain_a, *chain_b;
29 uint32_t len_a, len_b;
31 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_DREG) !=
32 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_DREG))
33 print_err(
"Expr NFTNL_EXPR_IMM_DREG mismatches");
35 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_VERDICT) !=
36 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_VERDICT))
37 print_err(
"Expr NFTNL_EXPR_IMM_VERDICT mismatches");
39 chain_a = nftnl_expr_get(rule_a, NFTNL_EXPR_IMM_CHAIN, &len_a);
40 chain_b = nftnl_expr_get(rule_b, NFTNL_EXPR_IMM_CHAIN, &len_b);
41 if (len_a != len_b || strncmp(chain_a, chain_b, len_a))
42 print_err(
"Expr NFTNL_EXPR_IMM_CHAIN mismatches");
45 static void cmp_nftnl_expr_value(
struct nftnl_expr *rule_a,
46 struct nftnl_expr *rule_b)
48 const uint32_t *data_a, *data_b;
49 uint32_t len_a, len_b;
51 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_DREG) !=
52 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_DREG))
53 print_err(
"Expr NFTNL_EXPR_IMM_DREG mismatches");
55 data_a = nftnl_expr_get(rule_a, NFTNL_EXPR_IMM_DATA, &len_a);
56 data_b = nftnl_expr_get(rule_b, NFTNL_EXPR_IMM_DATA, &len_b);
57 if (len_a != len_b || memcmp(data_a, data_b, len_a))
58 print_err(
"Expr NFTNL_EXPR_IMM_DATA mismatches");
61 int main(
int argc,
char *argv[])
63 struct nftnl_rule *a, *b;
64 struct nftnl_expr *ex_val, *ex_ver;
68 struct nftnl_expr *rule_a, *rule_b;
69 const char *chain =
"tests_chain01234";
70 const char *data =
"test_data_01234";
72 a = nftnl_rule_alloc();
73 b = nftnl_rule_alloc();
74 if (a == NULL || b == NULL)
76 ex_val = nftnl_expr_alloc(
"immediate");
77 ex_ver = nftnl_expr_alloc(
"immediate");
78 if (!ex_val || !ex_ver)
81 nftnl_expr_set_u32(ex_val, NFTNL_EXPR_IMM_DREG, 0x1234568);
82 nftnl_expr_set(ex_val, NFTNL_EXPR_IMM_DATA, data,
sizeof(data));
84 nftnl_expr_set_u32(ex_ver, NFTNL_EXPR_IMM_DREG, 0x1234568);
85 nftnl_expr_set_u32(ex_ver, NFTNL_EXPR_IMM_VERDICT, NFT_GOTO);
86 nftnl_expr_set(ex_ver, NFTNL_EXPR_IMM_CHAIN, chain,
sizeof(chain));
88 nftnl_rule_add_expr(a, ex_val);
89 nftnl_rule_add_expr(a, ex_ver);
91 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
92 nftnl_rule_nlmsg_build_payload(nlh, a);
94 if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
95 print_err(
"parsing problems");
97 iter_a = nftnl_expr_iter_create(a);
98 iter_b = nftnl_expr_iter_create(b);
99 if (iter_a == NULL || iter_b == NULL)
102 rule_a = nftnl_expr_iter_next(iter_a);
103 rule_b = nftnl_expr_iter_next(iter_b);
104 if (rule_a == NULL || rule_b == NULL)
107 cmp_nftnl_expr_value(rule_a, rule_b);
109 rule_a = nftnl_expr_iter_next(iter_a);
110 rule_b = nftnl_expr_iter_next(iter_b);
111 if (rule_a == NULL || rule_b == NULL)
114 cmp_nftnl_expr_verdict(rule_a, rule_b);
116 if (nftnl_expr_iter_next(iter_a) != NULL ||
117 nftnl_expr_iter_next(iter_b) != NULL)
118 print_err(
"More 2 expr.");
120 nftnl_expr_iter_destroy(iter_a);
121 nftnl_expr_iter_destroy(iter_b);
128 printf(
"%s: \033[32mOK\e[0m\n", argv[0]);