static int nfct_parse_labels(const struct nlattr *attr, struct nf_conntrack *ct)
{
uint16_t len = mnl_attr_get_payload_len(attr);
struct nfct_bitmask *mask;
uint32_t *bits;
if (len == 0)
return 0;
mask = nfct_bitmask_new((len * CHAR_BIT) - 1);
if (!mask)
return -1;
bits = mnl_attr_get_payload(attr);
memcpy(mask->bits, bits, len);
nfct_set_attr(ct, ATTR_CONNLABELS, mask);
return 0;
}
int main(void)
{
int ret, i;
struct nf_conntrack *ct, *ct2, *tmp;
struct nf_expect *exp, *tmp_exp;
char data[256];
const char *val;
int status;
struct nfct_bitmask *b, *b2;
srand(time(NULL));
/* initialize fake data for testing purposes */
for (i=0; i<sizeof(data); i++)
data[i] = 0x01;
ct = nfct_new();
if (!ct) {
perror("nfct_new");
return 0;
}
tmp = nfct_new();
if (!tmp) {
perror("nfct_new");
return 0;
}
printf("== test set API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_MAX; i++)
nfct_set_attr(ct, i, data);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
b = nfct_bitmask_new(rand() & 0xffff);
assert(b);
b2 = nfct_bitmask_new(rand() & 0xffff);
assert(b2);
for (i=0; i<ATTR_MAX; i++) {
switch (i) {
case ATTR_CONNLABELS:
nfct_set_attr(ct, i, b);
break;
case ATTR_CONNLABELS_MASK:
nfct_set_attr(ct, i, b2);
break;
default:
nfct_set_attr(ct, i, data);
break;
}
}
printf("== test get API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_MAX; i++)
nfct_get_attr(ct, i);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
printf("== validate set API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_MAX; i++) {
if (attr_is_readonly(i))
continue;
switch(i) {
/* These attributes require special handling */
case ATTR_HELPER_INFO:
nfct_set_attr_l(ct, i, data, sizeof(data));
break;
case ATTR_CONNLABELS:
case ATTR_CONNLABELS_MASK:
/* already set above */
break;
default:
data[0] = (uint8_t) i;
nfct_set_attr(ct, i, data);
}
val = nfct_get_attr(ct, i);
switch (i) {
case ATTR_CONNLABELS:
assert((void *) val == b);
continue;
case ATTR_CONNLABELS_MASK:
assert((void *) val == b2);
continue;
}
if (val[0] != data[0]) {
printf("ERROR: set/get operations don't match "
"for attribute %d (%x != %x)\n",
i, val[0], data[0]);
}
}
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
printf("== test copy API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_MAX; i++)
nfct_copy_attr(tmp, ct, i);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
ret = fork();
if (ret == 0) {
test_nfct_cmp_api(tmp, ct);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
exp = nfexp_new();
if (!exp) {
perror("nfexp_new");
return 0;
}
tmp_exp = nfexp_new();
if (!tmp_exp) {
perror("nfexp_new");
return 0;
}
printf("== test expect set API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_EXP_MAX; i++)
nfexp_set_attr(exp, i, data);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
for (i=0; i<ATTR_EXP_MAX; i++)
nfexp_set_attr(exp, i, data);
printf("== test expect get API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_EXP_MAX; i++)
nfexp_get_attr(exp, i);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
printf("== validate expect set API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_EXP_MAX; i++) {
data[0] = (uint8_t) i;
nfexp_set_attr(exp, i, data);
val = nfexp_get_attr(exp, i);
if (val[0] != data[0]) {
printf("ERROR: set/get operations don't match "
"for attribute %d (%x != %x)\n",
i, val[0], data[0]);
}
}
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
ret = fork();
if (ret == 0) {
test_nfexp_cmp_api(tmp_exp, exp);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
ct2 = nfct_new();
if (!ct2) {
perror("nfct_new");
return 0;
}
printf("== test set grp API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_GRP_MAX; i++)
nfct_set_attr_grp(ct2, i, data);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
for (i=0; i<ATTR_GRP_MAX; i++)
nfct_set_attr_grp(ct2, i, data);
printf("== test get grp API ==\n");
ret = fork();
if (ret == 0) {
char buf[32]; /* IPv6 group address is 16 bytes * 2 */
for (i=0; i<ATTR_GRP_MAX; i++)
nfct_get_attr_grp(ct2, i, buf);
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
printf("== validate set grp API ==\n");
ret = fork();
if (ret == 0) {
for (i=0; i<ATTR_GRP_MAX; i++) {
char buf[32]; /* IPv6 group address is 16 bytes */
data[0] = (uint8_t) i;
nfct_set_attr_grp(ct2, i, data);
nfct_get_attr_grp(ct2, i, buf);
/* These attributes cannot be set, ignore them. */
switch(i) {
case ATTR_GRP_ORIG_COUNTERS:
case ATTR_GRP_REPL_COUNTERS:
case ATTR_GRP_ORIG_ADDR_SRC:
case ATTR_GRP_ORIG_ADDR_DST:
case ATTR_GRP_REPL_ADDR_SRC:
case ATTR_GRP_REPL_ADDR_DST:
continue;
}
if (buf[0] != data[0]) {
printf("ERROR: set/get operations don't match "
"for attribute %d (%x != %x)\n",
i, buf[0], data[0]);
}
}
exit(0);
} else {
wait(&status);
eval_sigterm(status);
}
nfct_destroy(ct2);
printf("== destroy cloned ct entry ==\n");
nfct_destroy(ct);
nfct_destroy(tmp);
nfexp_destroy(exp);
nfexp_destroy(tmp_exp);
printf("OK\n");
test_nfct_bitmask();
return EXIT_SUCCESS;
}
static void test_nfct_bitmask(void)
{
struct nfct_bitmask *a, *b;
unsigned short int maxb, i;
struct nf_conntrack *ct1, *ct2;
printf("== test nfct_bitmask_* API ==\n");
maxb = rand() & 0xffff;
a = nfct_bitmask_new(maxb);
assert(!nfct_bitmask_test_bit(a, maxb + 32));
nfct_bitmask_set_bit(a, maxb + 32);
assert(!nfct_bitmask_test_bit(a, maxb + 32));
for (i = 0; i <= maxb; i++)
assert(!nfct_bitmask_test_bit(a, i));
for (i = 0; i <= maxb; i++) {
if (rand() & 1) {
assert(!nfct_bitmask_test_bit(a, i));
continue;
}
nfct_bitmask_set_bit(a, i);
assert(nfct_bitmask_test_bit(a, i));
}
b = nfct_bitmask_clone(a);
assert(b);
for (i = 0; i <= maxb; i++) {
if (nfct_bitmask_test_bit(a, i))
assert(nfct_bitmask_test_bit(b, i));
else
assert(!nfct_bitmask_test_bit(b, i));
}
nfct_bitmask_destroy(a);
for (i = 0; i <= maxb; i++) {
if (rand() & 1)
continue;
nfct_bitmask_unset_bit(b, i);
assert(!nfct_bitmask_test_bit(b, i));
}
/* nfct_bitmask_clear() */
for (i = 0; i < maxb; i++) {
nfct_bitmask_set_bit(b, i);
assert(nfct_bitmask_test_bit(b, i));
nfct_bitmask_clear(b);
assert(!nfct_bitmask_test_bit(b, i));
}
for (i = 0; i < maxb; i++)
nfct_bitmask_set_bit(b, i);
nfct_bitmask_clear(b);
for (i = 0; i < maxb; i++)
assert(!nfct_bitmask_test_bit(b, i));
/* nfct_bitmask_equal() */
for (i = 0; i < maxb / 32 * 32; i += 32) {
a = nfct_bitmask_new(i);
assert(!nfct_bitmask_equal(a, b));
nfct_bitmask_destroy(a);
}
a = nfct_bitmask_clone(b);
assert(nfct_bitmask_equal(a, b));
for (i = 0; i < maxb; i++) {
if (nfct_bitmask_test_bit(a, i)) {
nfct_bitmask_unset_bit(a, i);
assert(!nfct_bitmask_equal(a, b));
nfct_bitmask_set_bit(a, i);
} else {
nfct_bitmask_set_bit(a, i);
assert(!nfct_bitmask_equal(a, b));
nfct_bitmask_unset_bit(a, i);
}
assert(nfct_bitmask_equal(a, b));
}
nfct_bitmask_destroy(a);
nfct_bitmask_destroy(b);
ct1 = nfct_new();
ct2 = nfct_new();
maxb = rand() & 0xff;
maxb += 128;
maxb /= 2;
a = nfct_bitmask_new(maxb * 2);
b = nfct_bitmask_new(maxb);
nfct_set_attr(ct1, ATTR_CONNLABELS, a);
nfct_set_attr(ct2, ATTR_CONNLABELS, b);
assert(nfct_cmp(ct1, ct2, NFCT_CMP_ALL) == 1);
nfct_bitmask_set_bit(a, maxb);
nfct_bitmask_set_bit(b, maxb);
assert(nfct_cmp(ct1, ct2, NFCT_CMP_ALL) == 1);
nfct_bitmask_set_bit(a, maxb * 2);
assert(nfct_cmp(ct1, ct2, NFCT_CMP_ALL) == 0);
nfct_destroy(ct1);
nfct_destroy(ct2);
printf("OK\n");
}