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>
22static int test_ok = 1;
24static void print_err(
const char *msg)
27 printf(
"\033[31mERROR:\e[0m %s\n", msg);
30static void range_nftnl_expr(
struct nftnl_expr *rule_a,
31 struct nftnl_expr *rule_b)
33 uint32_t data_a, data_b;
35 nftnl_expr_get(rule_a, NFTNL_EXPR_RANGE_FROM_DATA, &data_a);
36 nftnl_expr_get(rule_b, NFTNL_EXPR_RANGE_FROM_DATA, &data_b);
38 print_err(
"Size of NFTNL_EXPR_RANGE_FROM_DATA mismatches");
39 nftnl_expr_get(rule_a, NFTNL_EXPR_RANGE_TO_DATA, &data_a);
40 nftnl_expr_get(rule_b, NFTNL_EXPR_RANGE_TO_DATA, &data_b);
42 print_err(
"Size of NFTNL_EXPR_RANGE_TO_DATA mismatches");
43 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_RANGE_SREG) !=
44 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_RANGE_SREG))
45 print_err(
"Expr NFTNL_EXPR_RANGE_SREG mismatches");
46 if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_RANGE_OP) !=
47 nftnl_expr_get_u32(rule_b, NFTNL_EXPR_RANGE_OP))
48 print_err(
"Expr NFTNL_EXPR_RANGE_OP mismatches");
51int main(
int argc,
char *argv[])
53 struct nftnl_rule *a, *b;
54 struct nftnl_expr *ex;
58 struct nftnl_expr *rule_a, *rule_b;
59 uint32_t data_a = 0x01010101, data_b = 0x02020202;
61 a = nftnl_rule_alloc();
62 b = nftnl_rule_alloc();
63 if (a == NULL || b == NULL)
65 ex = nftnl_expr_alloc(
"range");
69 nftnl_expr_set(ex, NFTNL_EXPR_RANGE_FROM_DATA,
70 &data_a,
sizeof(data_a));
71 nftnl_expr_set(ex, NFTNL_EXPR_RANGE_TO_DATA,
72 &data_b,
sizeof(data_b));
73 nftnl_expr_set_u32(ex, NFTNL_EXPR_RANGE_SREG, 0x12345678);
74 nftnl_expr_set_u32(ex, NFTNL_EXPR_RANGE_OP, 0x78123456);
76 nftnl_rule_add_expr(a, ex);
78 nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
79 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)
88 rule_a = nftnl_expr_iter_next(iter_a);
89 rule_b = nftnl_expr_iter_next(iter_b);
90 if (rule_a == NULL || rule_b == NULL)
93 range_nftnl_expr(rule_a, rule_b);
95 if (nftnl_expr_iter_next(iter_a) != NULL ||
96 nftnl_expr_iter_next(iter_b) != NULL)
97 print_err(
"More 1 expr.");
99 nftnl_expr_iter_destroy(iter_a);
100 nftnl_expr_iter_destroy(iter_b);
107 printf(
"%s: \033[32mOK\e[0m\n", argv[0]);