{
DNS46_REQUEST_NEXT_DROP,
DNS46_REQUEST_NEXT_IP_LOOKUP,
+ DNS46_REQUEST_NEXT_PUNT,
DNS46_REQUEST_N_NEXT,
} dns46_request_next_t;
from += 1;
to_next += 1;
n_left_from -= 1;
-
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
d0 = vlib_buffer_get_current (b0);
u0 = (udp_header_t *) ((u8 *) d0 - sizeof (*u0));
+
+ if (PREDICT_FALSE (dm->is_enabled == 0))
+ {
+ next0 = DNS46_REQUEST_NEXT_PUNT;
+ goto done0;
+ }
+
if (is_ip6)
{
- ip60 = (ip6_header_t *) (((u8 *) u0) - sizeof (ip4_header_t));
+ ip60 = (ip6_header_t *) (((u8 *) u0) - sizeof (ip6_header_t));
+ next0 = DNS46_REQUEST_NEXT_DROP;
error0 = DNS46_REQUEST_ERROR_UNIMPLEMENTED;
goto done0;
}
/* Requests only */
if (flags0 & DNS_QR)
{
+ next0 = DNS46_REQUEST_NEXT_DROP;
error0 = DNS46_REQUEST_ERROR_BAD_REQUEST;
goto done0;
}
if (clib_net_to_host_u16 (d0->qdcount) != 1)
{
+ next0 = DNS46_REQUEST_NEXT_DROP;
error0 = DNS46_REQUEST_ERROR_TOO_MANY_REQUESTS;
goto done0;
}
label0 = (u8 *) (d0 + 1);
+ /*
+ * vnet_dns_labels_to_name produces a non NULL terminated vector
+ * vnet_dns_resolve_name expects a C-string.
+ */
name0 = vnet_dns_labels_to_name (label0, (u8 *) d0, (u8 **) & q0);
+ vec_add1 (name0, 0);
+ _vec_len (name0) -= 1;
t0->request_type = DNS_PEER_PENDING_NAME_TO_IP;
t0->id = d0->id;
t0->name = name0;
if (is_ip6)
- clib_memcpy (t0->dst_address, ip60->src_address.as_u8,
- sizeof (ip6_address_t));
+ clib_memcpy_fast (t0->dst_address, ip60->src_address.as_u8,
+ sizeof (ip6_address_t));
else
- clib_memcpy (t0->dst_address, ip40->src_address.as_u8,
- sizeof (ip4_address_t));
+ clib_memcpy_fast (t0->dst_address, ip40->src_address.as_u8,
+ sizeof (ip4_address_t));
vnet_dns_resolve_name (dm, name0, t0, &ep0);
.n_next_nodes = DNS46_REQUEST_N_NEXT,
.next_nodes = {
[DNS46_REQUEST_NEXT_DROP] = "error-drop",
+ [DNS46_REQUEST_NEXT_PUNT] = "error-punt",
[DNS46_REQUEST_NEXT_IP_LOOKUP] = "ip4-lookup",
},
};
.n_next_nodes = DNS46_REQUEST_N_NEXT,
.next_nodes = {
[DNS46_REQUEST_NEXT_DROP] = "error-drop",
+ [DNS46_REQUEST_NEXT_PUNT] = "error-punt",
[DNS46_REQUEST_NEXT_IP_LOOKUP] = "ip6-lookup",
},
};