diff options
Diffstat (limited to 'net/ipv6/syncookies.c')
| -rw-r--r-- | net/ipv6/syncookies.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 09fd34f0dbf..352c26081f5 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -232,23 +232,20 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) */ { struct in6_addr *final_p, final; - struct flowi fl; - memset(&fl, 0, sizeof(fl)); - fl.proto = IPPROTO_TCP; - ipv6_addr_copy(&fl.fl6_dst, &ireq6->rmt_addr); - final_p = fl6_update_dst(&fl, np->opt, &final); - ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr); - fl.oif = sk->sk_bound_dev_if; - fl.mark = sk->sk_mark; - fl.fl_ip_dport = inet_rsk(req)->rmt_port; - fl.fl_ip_sport = inet_sk(sk)->inet_sport; - security_req_classify_flow(req, &fl); - if (ip6_dst_lookup(sk, &dst, &fl)) - goto out_free; - - if (final_p) - ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) + struct flowi6 fl6; + memset(&fl6, 0, sizeof(fl6)); + fl6.flowi6_proto = IPPROTO_TCP; + ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr); + final_p = fl6_update_dst(&fl6, np->opt, &final); + ipv6_addr_copy(&fl6.saddr, &ireq6->loc_addr); + fl6.flowi6_oif = sk->sk_bound_dev_if; + fl6.flowi6_mark = sk->sk_mark; + fl6.fl6_dport = inet_rsk(req)->rmt_port; + fl6.fl6_sport = inet_sk(sk)->inet_sport; + security_req_classify_flow(req, flowi6_to_flowi(&fl6)); + + dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); + if (IS_ERR(dst)) goto out_free; } |