nfct-timeout-add.c
/*
* (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
* (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <netinet/in.h>
#include <libmnl/libmnl.h>
#include <linux/netfilter/nfnetlink_cttimeout.h>
#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
int main(int argc, char *argv[])
{
struct mnl_socket *nl;
char buf[MNL_SOCKET_BUFFER_SIZE];
struct nlmsghdr *nlh;
uint32_t portid, seq;
struct nfct_timeout *t;
int ret;
if (argc != 4) {
fprintf(stderr, "Usage: %s [name] [l3proto] [l4proto]\n",
argv[0]);
fprintf(stderr, "Example: %s test 2 255\n", argv[0]);
exit(EXIT_FAILURE);
}
t = nfct_timeout_alloc();
if (t == NULL) {
perror("OOM");
exit(EXIT_FAILURE);
}
nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[1]);
nfct_timeout_attr_set_u16(t, NFCT_TIMEOUT_ATTR_L3PROTO, atoi(argv[2]));
nfct_timeout_attr_set_u8(t, NFCT_TIMEOUT_ATTR_L4PROTO, atoi(argv[3]));
nfct_timeout_policy_attr_set_u32(t, NFCT_TIMEOUT_ATTR_GENERIC, 100);
seq = time(NULL);
nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_NEW,
NLM_F_CREATE | NLM_F_ACK, seq);
nfct_timeout_nlmsg_build_payload(nlh, t);
nfct_timeout_free(t);
nl = mnl_socket_open(NETLINK_NETFILTER);
if (nl == NULL) {
perror("mnl_socket_open");
exit(EXIT_FAILURE);
}
if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
perror("mnl_socket_bind");
exit(EXIT_FAILURE);
}
portid = mnl_socket_get_portid(nl);
if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
perror("mnl_socket_send");
exit(EXIT_FAILURE);
}
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
while (ret > 0) {
ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
if (ret <= 0)
break;
ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
}
if (ret == -1) {
perror("error");
exit(EXIT_FAILURE);
}
mnl_socket_close(nl);
return EXIT_SUCCESS;
}
nfct_timeout_free
void nfct_timeout_free(struct nfct_timeout *)
Definition: libnetfilter_cttimeout.c:206
nfct_timeout_attr_set_u16
int nfct_timeout_attr_set_u16(struct nfct_timeout *t, uint32_t type, uint16_t data)
Definition: libnetfilter_cttimeout.c:261
nfct_timeout_attr_set_u8
int nfct_timeout_attr_set_u8(struct nfct_timeout *t, uint32_t type, uint8_t data)
Definition: libnetfilter_cttimeout.c:248
nfct_timeout_policy_attr_set_u32
int nfct_timeout_policy_attr_set_u32(struct nfct_timeout *, uint32_t type, uint32_t data)
Definition: libnetfilter_cttimeout.c:285
nfct_timeout_alloc
struct nfct_timeout * nfct_timeout_alloc(void)
Definition: libnetfilter_cttimeout.c:190
nfct_timeout_attr_set
int nfct_timeout_attr_set(struct nfct_timeout *t, uint32_t type, const void *data)
Definition: libnetfilter_cttimeout.c:221
nfct_timeout_nlmsg_build_payload
void nfct_timeout_nlmsg_build_payload(struct nlmsghdr *, const struct nfct_timeout *)
Definition: libnetfilter_cttimeout.c:507
nfct_timeout_nlmsg_build_hdr
struct nlmsghdr * nfct_timeout_nlmsg_build_hdr(char *buf, uint8_t cmd, uint16_t flags, uint32_t seq)
Definition: libnetfilter_cttimeout.c:481