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/set.h>
23 int main(
int argc,
char *argv[])
25 struct mnl_socket *nl;
26 char buf[MNL_SOCKET_BUFFER_SIZE];
28 struct mnl_nlmsg_batch *batch;
29 uint32_t portid, seq, family;
30 struct nftnl_set *t = NULL;
34 fprintf(stderr,
"%s <family> <table> <set>\n", argv[0]);
38 t = nftnl_set_alloc();
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 batch = mnl_nlmsg_batch_start(buf,
sizeof(buf));
60 nftnl_batch_begin(mnl_nlmsg_batch_current(batch), seq++);
61 mnl_nlmsg_batch_next(batch);
63 nlh = nftnl_set_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch),
64 NFT_MSG_DELSET, family,
66 nftnl_set_set_str(t, NFTNL_SET_TABLE, argv[2]);
67 nftnl_set_set_str(t, NFTNL_SET_NAME, argv[3]);
69 nftnl_set_nlmsg_build_payload(nlh, t);
71 mnl_nlmsg_batch_next(batch);
73 nftnl_batch_end(mnl_nlmsg_batch_current(batch), seq++);
74 mnl_nlmsg_batch_next(batch);
76 nl = mnl_socket_open(NETLINK_NETFILTER);
78 perror(
"mnl_socket_open");
82 if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
83 perror(
"mnl_socket_bind");
86 portid = mnl_socket_get_portid(nl);
88 ret = mnl_socket_sendto(nl, mnl_nlmsg_batch_head(batch),
89 mnl_nlmsg_batch_size(batch));
91 perror(
"mnl_socket_send");
95 mnl_nlmsg_batch_stop(batch);
97 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
99 perror(
"mnl_socket_recvfrom");
103 ret = mnl_cb_run(buf, ret, 0, portid, NULL, NULL);
105 perror(
"mnl_cb_run");
108 mnl_socket_close(nl);