#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, 1024, ct, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, NFCT_OF_SHOW_LAYER3); printf("%s\n", buf); return NFCT_CB_CONTINUE; } int main() { int ret; u_int8_t family = AF_INET; struct nfct_handle *h; char buf[1024]; 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: dump conntrack (%d)(%s)\n", ret, strerror(errno)); if (ret == -1) exit(EXIT_FAILURE); nfct_close(h); }