acl: verify that src and dst have sane and same address family
API refactoring moved the address-family tag from rule
level down to prefix level.
This necessarily warrants the check that they are the same.
Also, add a check that the address family is sane.
Type: fix
@@ -309,7 +309,9 @@ static int
acl_api_invalid_prefix (const vl_api_prefix_t * prefix)
{
ip_prefix_t ip_prefix;
- return ip_prefix_decode2 (prefix, &ip_prefix);
+ int valid_af =
+ prefix->address.af == ADDRESS_IP4 || prefix->address.af == ADDRESS_IP6;
+ return (!valid_af) || ip_prefix_decode2 (prefix, &ip_prefix);
}
static int
@@ -338,6 +340,8 @@ acl_add_list (u32 count, vl_api_acl_rule_t rules[],
return VNET_API_ERROR_INVALID_SRC_ADDRESS;
if (acl_api_invalid_prefix (&rules[i].dst_prefix))
return VNET_API_ERROR_INVALID_DST_ADDRESS;
+ if (rules[i].src_prefix.address.af != rules[i].dst_prefix.address.af)
+ return VNET_API_ERROR_INVALID_SRC_ADDRESS;
if (ntohs (rules[i].srcport_or_icmptype_first) >
ntohs (rules[i].srcport_or_icmptype_last))
return VNET_API_ERROR_INVALID_VALUE_2;
