libnetfilter_cttimeout 1.0.1
nfct-timeout-add.c
1/*
2 * (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
3 * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 */
10#include <stdlib.h>
11#include <time.h>
12#include <string.h>
13#include <netinet/in.h>
14
15#include <libmnl/libmnl.h>
16#include <linux/netfilter/nfnetlink_cttimeout.h>
17#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
18
19int main(int argc, char *argv[])
20{
21 struct mnl_socket *nl;
22 char buf[MNL_SOCKET_BUFFER_SIZE];
23 struct nlmsghdr *nlh;
24 uint32_t portid, seq;
25 struct nfct_timeout *t;
26 int ret;
27
28 if (argc != 4) {
29 fprintf(stderr, "Usage: %s [name] [l3proto] [l4proto]\n",
30 argv[0]);
31 fprintf(stderr, "Example: %s test 2 255\n", argv[0]);
32 exit(EXIT_FAILURE);
33 }
34
36 if (t == NULL) {
37 perror("OOM");
38 exit(EXIT_FAILURE);
39 }
40
41 nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[1]);
42 nfct_timeout_attr_set_u16(t, NFCT_TIMEOUT_ATTR_L3PROTO, atoi(argv[2]));
43 nfct_timeout_attr_set_u8(t, NFCT_TIMEOUT_ATTR_L4PROTO, atoi(argv[3]));
44
45 nfct_timeout_policy_attr_set_u32(t, NFCT_TIMEOUT_ATTR_GENERIC, 100);
46
47 seq = time(NULL);
48 nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_NEW,
49 NLM_F_CREATE | NLM_F_ACK, seq);
51
53
54 nl = mnl_socket_open(NETLINK_NETFILTER);
55 if (nl == NULL) {
56 perror("mnl_socket_open");
57 exit(EXIT_FAILURE);
58 }
59
60 if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
61 perror("mnl_socket_bind");
62 exit(EXIT_FAILURE);
63 }
64 portid = mnl_socket_get_portid(nl);
65
66 if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
67 perror("mnl_socket_send");
68 exit(EXIT_FAILURE);
69 }
70
71 ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
72 while (ret > 0) {
73 ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
74 if (ret <= 0)
75 break;
76 ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
77 }
78 if (ret == -1) {
79 perror("error");
80 exit(EXIT_FAILURE);
81 }
82 mnl_socket_close(nl);
83
84 return EXIT_SUCCESS;
85}
int nfct_timeout_policy_attr_set_u32(struct nfct_timeout *, uint32_t type, uint32_t data)
int nfct_timeout_attr_set_u16(struct nfct_timeout *t, uint32_t type, uint16_t data)
void nfct_timeout_free(struct nfct_timeout *)
struct nfct_timeout * nfct_timeout_alloc(void)
int nfct_timeout_attr_set(struct nfct_timeout *t, uint32_t type, const void *data)
int nfct_timeout_attr_set_u8(struct nfct_timeout *t, uint32_t type, uint8_t data)
struct nlmsghdr * nfct_timeout_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq)
void nfct_timeout_nlmsg_build_payload(struct nlmsghdr *, const struct nfct_timeout *)