};
static bool
-ebt_ip_mt(const struct sk_buff *skb, const struct xt_match_param *par)
+ebt_ip_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct ebt_ip_info *info = par->matchinfo;
const struct iphdr *ih;
return true;
}
-static bool ebt_ip_mt_check(const struct xt_mtchk_param *par)
+static int ebt_ip_mt_check(const struct xt_mtchk_param *par)
{
const struct ebt_ip_info *info = par->matchinfo;
const struct ebt_entry *e = par->entryinfo;
if (e->ethproto != htons(ETH_P_IP) ||
e->invflags & EBT_IPROTO)
- return false;
+ return -EINVAL;
if (info->bitmask & ~EBT_IP_MASK || info->invflags & ~EBT_IP_MASK)
- return false;
+ return -EINVAL;
if (info->bitmask & (EBT_IP_DPORT | EBT_IP_SPORT)) {
if (info->invflags & EBT_IP_PROTO)
- return false;
+ return -EINVAL;
if (info->protocol != IPPROTO_TCP &&
info->protocol != IPPROTO_UDP &&
info->protocol != IPPROTO_UDPLITE &&
info->protocol != IPPROTO_SCTP &&
info->protocol != IPPROTO_DCCP)
- return false;
+ return -EINVAL;
}
if (info->bitmask & EBT_IP_DPORT && info->dport[0] > info->dport[1])
- return false;
+ return -EINVAL;
if (info->bitmask & EBT_IP_SPORT && info->sport[0] > info->sport[1])
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static struct xt_match ebt_ip_mt_reg __read_mostly = {