11 #include <netinet/in.h>
13 #include <linux/netfilter.h>
14 #include <linux/netfilter/nf_tables.h>
16 #include <libmnl/libmnl.h>
17 #include <libnftnl/object.h>
19 static struct nftnl_obj *ct_timeout_del_parse(
int argc,
char *argv[])
24 if (strcmp(argv[1],
"ip") == 0)
25 family = NFPROTO_IPV4;
26 else if (strcmp(argv[1],
"ip6") == 0)
27 family = NFPROTO_IPV6;
28 else if (strcmp(argv[1],
"inet") == 0)
29 family = NFPROTO_INET;
31 fprintf(stderr,
"Unknown family: ip, ip6, inet\n");
35 t = nftnl_obj_alloc();
41 nftnl_obj_set_str(t, NFTNL_OBJ_TABLE, argv[2]);
42 nftnl_obj_set_str(t, NFTNL_OBJ_NAME, argv[3]);
43 nftnl_obj_set_u32(t, NFTNL_OBJ_TYPE, NFT_OBJECT_CT_TIMEOUT);
44 nftnl_obj_set_u32(t, NFTNL_OBJ_FAMILY, family);
49 int main(
int argc,
char *argv[])
51 struct mnl_socket *nl;
52 char buf[MNL_SOCKET_BUFFER_SIZE];
54 uint32_t portid, seq, obj_seq, family;
56 struct mnl_nlmsg_batch *batch;
60 fprintf(stderr,
"%s <family> <table> <name>\n", argv[0]);
64 t = ct_timeout_del_parse(argc, argv);
69 batch = mnl_nlmsg_batch_start(buf,
sizeof(buf));
71 nftnl_batch_begin(mnl_nlmsg_batch_current(batch), seq++);
72 mnl_nlmsg_batch_next(batch);
75 family = nftnl_obj_get_u32(t, NFTNL_OBJ_FAMILY);
76 nlh = nftnl_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch),
77 NFT_MSG_DELOBJ, family, NLM_F_ACK,
79 nftnl_obj_nlmsg_build_payload(nlh, t);
80 mnl_nlmsg_batch_next(batch);
83 nftnl_batch_end(mnl_nlmsg_batch_current(batch), seq++);
84 mnl_nlmsg_batch_next(batch);
86 nl = mnl_socket_open(NETLINK_NETFILTER);
88 perror(
"mnl_socket_open");
92 if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
93 perror(
"mnl_socket_bind");
96 portid = mnl_socket_get_portid(nl);
98 if (mnl_socket_sendto(nl, mnl_nlmsg_batch_head(batch),
99 mnl_nlmsg_batch_size(batch)) < 0) {
100 perror(
"mnl_socket_send");
104 mnl_nlmsg_batch_stop(batch);
106 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
108 ret = mnl_cb_run(buf, ret, obj_seq, portid, NULL, NULL);
111 ret = mnl_socket_recvfrom(nl, buf,
sizeof(buf));
117 mnl_socket_close(nl);