Exemple #1
0
int main(int argc, char **argv)
{
        (void) printf("Congrats!  You're running this executable.\n");
        (void) printf("Now let's see how you handle the tests...\n");


        mmap_test();

        null_test();
        zero_test();
        brk_test();

        fault_test();

        wait_test();
        cow_fork();

        fork_test();

        return 0;
}
Exemple #2
0
/*
 * Lookup the SA given by the COOKIES and possibly the MESSAGE_ID unless
 * a null pointer, meaning we are looking for phase 1 SAs.
 */
struct sa *
sa_lookup(u_int8_t *cookies, u_int8_t *message_id)
{
	u_int16_t       bucket = 0;
	int             i;
	struct sa      *sa;
	u_int8_t       *cp;

	/*
	 * We use the cookies to get bits to use as an index into sa_tab, as at
	 * least one (our cookie) is a good hash, xoring all the bits, 16 at a
	 * time, and then masking, should do.  Doing it this way means we can
	 * validate cookies very fast thus delimiting the effects of "Denial of
	 * service"-attacks using packet flooding.
	 */
	for (i = 0; i < ISAKMP_HDR_COOKIES_LEN; i += 2) {
		cp = cookies + i;
		/* Doing it this way avoids alignment problems.  */
		bucket ^= cp[0] | cp[1] << 8;
	}
	if (message_id)
		for (i = 0; i < ISAKMP_HDR_MESSAGE_ID_LEN; i += 2) {
			cp = message_id + i;
			/* Doing it this way avoids alignment problems.  */
			bucket ^= cp[0] | cp[1] << 8;
		}
	bucket &= bucket_mask;
	for (sa = LIST_FIRST(&sa_tab[bucket]);
	    sa && (memcmp(cookies, sa->cookies, ISAKMP_HDR_COOKIES_LEN) != 0 ||
	    (message_id && memcmp(message_id, sa->message_id,
	    ISAKMP_HDR_MESSAGE_ID_LEN) != 0) ||
	    (!message_id && !zero_test(sa->message_id, ISAKMP_HDR_MESSAGE_ID_LEN)));
	    sa = LIST_NEXT(sa, link))
		;

	return sa;
}
Exemple #3
0
static int
isakmp_validate_id_information(u_int8_t type, u_int8_t *extra, u_int8_t *buf,
    size_t sz, struct exchange *exchange)
{
	return zero_test(extra, ISAKMP_ID_DOI_DATA_LEN);
}
void decimal_zero_test()
{
	zero_test();

	printf("TEST mg_decimal_zero(): OK\n");
}