58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
#include <netlink/cli/utils.h>
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static void change_cb(struct nl_cache *cache, struct nl_object *obj,
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int action, void *data)
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{
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struct nfnl_ct *ct = (struct nfnl_ct *) obj;
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static struct nl_addr *hack = NULL;
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if (!hack)
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nl_addr_parse("194.88.212.233", AF_INET, &hack);
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if (!nl_addr_cmp(hack, nfnl_ct_get_src(ct, 1)) ||
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!nl_addr_cmp(hack, nfnl_ct_get_dst(ct, 1))) {
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struct nl_dump_params dp = {
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.dp_type = NL_DUMP_LINE,
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.dp_fd = stdout,
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};
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printf("UPDATE ");
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nl_object_dump(obj, &dp);
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}
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}
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int main(int argc, char *argv[])
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{
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struct nl_cache_mngr *mngr;
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struct nl_sock *sock;
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struct nl_cache *ct;
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int err;
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sock = nl_cli_alloc_socket();
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err = nl_cache_mngr_alloc(sock, NETLINK_NETFILTER, NL_AUTO_PROVIDE, &mngr);
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if (err < 0) {
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nl_perror(err, "nl_cache_mngr_alloc");
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return -1;
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}
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err = nl_cache_mngr_add(mngr, "netfilter/ct", &change_cb, NULL, &ct);
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if (err < 0) {
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nl_perror(err, "nl_cache_mngr_add(netfilter/ct)");
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return -1;
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}
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for (;;) {
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int err = nl_cache_mngr_poll(mngr, 5000);
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if (err < 0) {
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nl_perror(err, "nl_cache_mngr_poll()");
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return -1;
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}
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}
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nl_cache_mngr_free(mngr);
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return 0;
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}
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