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_verdict(
struct nftnl_expr *rule_a,
31 struct nftnl_expr *rule_b)
33 const char *chain_a, *chain_b;
34 uint32_t len_a, len_b;
36 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_DREG) !=
37 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_DREG))
38 print_err(
"Expr NFTNL_EXPR_IMM_DREG mismatches");
40 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_VERDICT) !=
41 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_VERDICT))
42 print_err(
"Expr NFTNL_EXPR_IMM_VERDICT mismatches");
44 chain_a = nftnl_expr_get(rule_a, NFTNL_EXPR_IMM_CHAIN, &len_a);
45 chain_b = nftnl_expr_get(rule_b, NFTNL_EXPR_IMM_CHAIN, &len_b);
46 if (len_a != len_b || strncmp(chain_a, chain_b, len_a))
47 print_err(
"Expr NFTNL_EXPR_IMM_CHAIN mismatches");
50static void cmp_nftnl_expr_value(
struct nftnl_expr *rule_a,
51 struct nftnl_expr *rule_b)
53 const uint32_t *data_a, *data_b;
54 uint32_t len_a, len_b;
56 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_IMM_DREG) !=
57 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_IMM_DREG))
58 print_err(
"Expr NFTNL_EXPR_IMM_DREG mismatches");
60 data_a = nftnl_expr_get(rule_a, NFTNL_EXPR_IMM_DATA, &len_a);
61 data_b = nftnl_expr_get(rule_b, NFTNL_EXPR_IMM_DATA, &len_b);
62 if (len_a != len_b || memcmp(data_a, data_b, len_a))
63 print_err(
"Expr NFTNL_EXPR_IMM_DATA mismatches");
66int main(
int argc,
char *argv[])
68 struct nftnl_rule *a, *b;
69 struct nftnl_expr *ex_val, *ex_ver;
73 struct nftnl_expr *rule_a, *rule_b;
74 const char *chain =
"tests_chain01234";
75 const char *data =
"test_data_01234";
77 a = nftnl_rule_alloc();
78 b = nftnl_rule_alloc();
79 if (a == NULL || b == NULL)
81 ex_val = nftnl_expr_alloc(
"immediate");
82 ex_ver = nftnl_expr_alloc(
"immediate");
83 if (!ex_val || !ex_ver)
86 nftnl_expr_set_u32(ex_val, NFTNL_EXPR_IMM_DREG, 0x1234568);
87 nftnl_expr_set(ex_val, NFTNL_EXPR_IMM_DATA, data,
sizeof(data));
89 nftnl_expr_set_u32(ex_ver, NFTNL_EXPR_IMM_DREG, 0x1234568);
90 nftnl_expr_set_u32(ex_ver, NFTNL_EXPR_IMM_VERDICT, NFT_GOTO);
91 nftnl_expr_set(ex_ver, NFTNL_EXPR_IMM_CHAIN, chain,
sizeof(chain));
93 nftnl_rule_add_expr(a, ex_val);
94 nftnl_rule_add_expr(a, ex_ver);
96 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
97 nftnl_rule_nlmsg_build_payload(nlh, a);
99 if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
100 print_err(
"parsing problems");
102 iter_a = nftnl_expr_iter_create(a);
103 iter_b = nftnl_expr_iter_create(b);
104 if (iter_a == NULL || iter_b == NULL)
107 rule_a = nftnl_expr_iter_next(iter_a);
108 rule_b = nftnl_expr_iter_next(iter_b);
109 if (rule_a == NULL || rule_b == NULL)
112 cmp_nftnl_expr_value(rule_a, rule_b);
114 rule_a = nftnl_expr_iter_next(iter_a);
115 rule_b = nftnl_expr_iter_next(iter_b);
116 if (rule_a == NULL || rule_b == NULL)
119 cmp_nftnl_expr_verdict(rule_a, rule_b);
121 if (nftnl_expr_iter_next(iter_a) != NULL ||
122 nftnl_expr_iter_next(iter_b) != NULL)
123 print_err(
"More 2 expr.");
125 nftnl_expr_iter_destroy(iter_a);
126 nftnl_expr_iter_destroy(iter_b);
133 printf(
"%s: \033[32mOK\e[0m\n", argv[0]);