15 #include <netinet/in.h>
17 #include <linux/netfilter.h>
18 #include <linux/netfilter/nf_tables.h>
20 #include <libmnl/libmnl.h>
21 #include <libnftnl/table.h>
22 #include <libnftnl/set.h>
24 int main(
int argc,
char *argv[])
26 struct mnl_socket *nl;
27 char buf[MNL_SOCKET_BUFFER_SIZE];
29 uint32_t portid, seq, family;
30 struct nft_set *t = NULL;
34 fprintf(stderr,
"%s <family> <table> <set>\n", argv[0]);
45 if (strcmp(argv[1],
"ip") == 0)
46 family = NFPROTO_IPV4;
47 else if (strcmp(argv[1],
"ip6") == 0)
48 family = NFPROTO_IPV6;
49 else if (strcmp(argv[1],
"bridge") == 0)
50 family = NFPROTO_BRIDGE;
51 else if (strcmp(argv[1],
"arp") == 0)
54 fprintf(stderr,
"Unknown family: ip, ip6, bridge, arp\n");
58 nft_set_attr_set(t, NFT_SET_ATTR_TABLE, argv[2]);
59 nft_set_attr_set(t, NFT_SET_ATTR_NAME, argv[3]);
61 nft_set_attr_set_u32(t, NFT_SET_ATTR_FLAGS, NFT_SET_ANONYMOUS |
64 nft_set_attr_set_u32(t, NFT_SET_ATTR_KEY_TYPE, 0);
66 nft_set_attr_set_u32(t, NFT_SET_ATTR_KEY_LEN, 4);
76 nlh = nft_set_nlmsg_build_hdr(buf, NFT_MSG_NEWSET, family,
77 NLM_F_CREATE|NLM_F_EXCL|NLM_F_ACK, seq);
78 nft_set_nlmsg_build_payload(nlh, t);
81 nl = mnl_socket_open(NETLINK_NETFILTER);
83 perror(
"mnl_socket_open");
87 if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
88 perror(
"mnl_socket_bind");
91 portid = mnl_socket_get_portid(nl);
93 if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
94 perror(
"mnl_socket_send");
98 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
100 ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
103 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
109 mnl_socket_close(nl);