conntrack_flush.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include <libnetfilter_conntrack/libnetfilter_conntrack.h>

int main(void)
{
        int ret;
        u_int8_t family = AF_INET;
        struct nfct_handle *h;

        h = nfct_open(CONNTRACK, 0);
        if (!h) {
                perror("nfct_open");
                return -1;
        }

        ret = nfct_query(h, NFCT_Q_FLUSH, &family);

        printf("TEST: flush 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);
}