ah->reserved = 0;
ah->spi = x->id.spi;
- ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq);
+ ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output);
spin_lock_bh(&x->lock);
err = ah_mac_digest(ahp, skb, ah->auth_data);
ip6h->flow_lbl[2] = 0;
ip6h->hop_limit = 0;
+ spin_lock(&x->lock);
{
u8 auth_data[MAX_AH_AUTH_LEN];
skb_push(skb, hdr_len);
err = ah_mac_digest(ahp, skb, ah->auth_data);
if (err)
- goto free_out;
- err = -EINVAL;
- if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
- LIMIT_NETDEBUG(KERN_WARNING "ipsec ah authentication error\n");
- x->stats.integrity_failed++;
- goto free_out;
- }
+ goto unlock;
+ if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
+ err = -EBADMSG;
}
+unlock:
+ spin_unlock(&x->lock);
+
+ if (err)
+ goto free_out;
skb->network_header += ah_hlen;
memcpy(skb_network_header(skb), tmp_hdr, hdr_len);
static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
int type, int code, int offset, __be32 info)
{
+ struct net *net = dev_net(skb->dev);
struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+offset);
struct xfrm_state *x;
type != ICMPV6_PKT_TOOBIG)
return;
- x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6);
+ x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6);
if (!x)
return;
- NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/" NIP6_FMT "\n",
- ntohl(ah->spi), NIP6(iph->daddr));
+ NETDEBUG(KERN_DEBUG "pmtu discovery on SA AH/%08x/%pI6\n",
+ ntohl(ah->spi), &iph->daddr);
xfrm_state_put(x);
}
return;
kfree(ahp->work_icv);
- ahp->work_icv = NULL;
crypto_free_hash(ahp->tfm);
- ahp->tfm = NULL;
kfree(ahp);
}
-static struct xfrm_type ah6_type =
+static const struct xfrm_type ah6_type =
{
.description = "AH6",
.owner = THIS_MODULE,