#include #include #include #include #include static int cb(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data) { char buf[1024]; nfct_snprintf(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, NFCT_OF_SHOW_LAYER3 | NFCT_OF_TIMESTAMP); printf("%s\n", buf); return NFCT_CB_CONTINUE; } int main(void) { int ret; u_int32_t family = AF_INET; struct nfct_handle *h; h = nfct_open(CONNTRACK, 0); if (!h) { perror("nfct_open"); return -1; } nfct_callback_register(h, NFCT_T_ALL, cb, NULL); ret = nfct_query(h, NFCT_Q_DUMP, &family); printf("TEST: get conntrack "); if (ret == -1) printf("(%d)(%s)\n", ret, strerror(errno)); else printf("(OK)\n"); nfct_close(h); ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS); }