tail[clen-skb->len - 2] = (clen - skb->len) - 2;
pskb_put(skb, trailer, clen - skb->len);
- top_iph = (struct ipv6hdr *)__skb_push(skb, hdr_len);
+ __skb_push(skb, -skb_network_offset(skb));
+ top_iph = ipv6_hdr(skb);
esph = (struct ipv6_esp_hdr *)skb_transport_header(skb);
top_iph->payload_len = htons(skb->len + alen - sizeof(*top_iph));
- *(skb_tail_pointer(trailer) - 1) = *skb_network_header(skb);
- *skb_network_header(skb) = IPPROTO_ESP;
+ *(skb_tail_pointer(trailer) - 1) = *skb_mac_header(skb);
+ *skb_mac_header(skb) = IPPROTO_ESP;
esph->spi = x->id.spi;
- esph->seq_no = htonl(++x->replay.oseq);
- xfrm_aevent_doreplay(x);
+ esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq);
if (esp->conf.ivlen) {
if (unlikely(!esp->conf.ivinitted)) {
struct esp_data *esp = NULL;
struct crypto_blkcipher *tfm;
- /* null auth and encryption can have zero length keys */
- if (x->aalg) {
- if (x->aalg->alg_key_len > 512)
- goto error;
- }
if (x->ealg == NULL)
goto error;
struct xfrm_algo_desc *aalg_desc;
struct crypto_hash *hash;
- esp->auth.key = x->aalg->alg_key;
- esp->auth.key_len = (x->aalg->alg_key_len+7)/8;
hash = crypto_alloc_hash(x->aalg->alg_name, 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(hash))
goto error;
esp->auth.tfm = hash;
- if (crypto_hash_setkey(hash, esp->auth.key, esp->auth.key_len))
+ if (crypto_hash_setkey(hash, x->aalg->alg_key,
+ (x->aalg->alg_key_len + 7) / 8))
goto error;
aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
if (!esp->auth.work_icv)
goto error;
}
- esp->conf.key = x->ealg->alg_key;
- esp->conf.key_len = (x->ealg->alg_key_len+7)/8;
tfm = crypto_alloc_blkcipher(x->ealg->alg_name, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm))
goto error;
goto error;
esp->conf.ivinitted = 0;
}
- if (crypto_blkcipher_setkey(tfm, esp->conf.key, esp->conf.key_len))
+ if (crypto_blkcipher_setkey(tfm, x->ealg->alg_key,
+ (x->ealg->alg_key_len + 7) / 8))
goto error;
x->props.header_len = sizeof(struct ipv6_esp_hdr) + esp->conf.ivlen;
if (x->props.mode == XFRM_MODE_TUNNEL)
.description = "ESP6",
.owner = THIS_MODULE,
.proto = IPPROTO_ESP,
+ .flags = XFRM_TYPE_REPLAY_PROT,
.init_state = esp6_init_state,
.destructor = esp6_destroy,
.get_mtu = esp6_get_mtu,