#include "../src/utils.h"
static void change_cb(struct nl_cache *cache, struct nl_object *obj,
int action)
{
struct nfnl_ct *ct = (struct nfnl_ct *) obj;
static struct nl_addr *hack = NULL;
if (!hack)
hack = nl_addr_parse("194.88.212.233", AF_INET);
if (!nl_addr_cmp(hack, nfnl_ct_get_src(ct, 1)) ||
!nl_addr_cmp(hack, nfnl_ct_get_dst(ct, 1))) {
struct nl_dump_params dp = {
.dp_type = NL_DUMP_BRIEF,
.dp_fd = stdout,
};
printf("UPDATE ");
nl_object_dump(obj, &dp);
}
}
int main(int argc, char *argv[])
{
struct nl_cache_mngr *mngr;
struct nl_handle *handle;
struct nl_cache *ct;
nltool_init(argc, argv);
handle = nltool_alloc_handle();
mngr = nl_cache_mngr_alloc(handle, NETLINK_NETFILTER, NL_AUTO_PROVIDE);
if (!mngr) {
nl_perror("nl_cache_mngr_alloc");
return -1;
}
ct = nl_cache_mngr_add(mngr, "netfilter/ct", &change_cb);
if (ct == NULL) {
nl_perror("nl_cache_mngr_add(netfilter/ct)");
return -1;
}
for (;;) {
int err = nl_cache_mngr_poll(mngr, 5000);
if (err < 0) {
nl_perror("nl_cache_mngr_poll()");
return -1;
}
}
nl_cache_mngr_free(mngr);
return 0;
}