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tcp: Use correct peer adr when copying MD5 keys 

When the TCP connection handshake completes on the passive
side, a variety of state must be set up in the "child" sock,
including the key if MD5 authentication is being used.  Fix TCP
for both address families to label the key with the peer's
destination address, rather than the address from the listening
sock, which is usually the wildcard.

Reported-by:   Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
John Dykstra 2009-07-17 09:23:22 +00:00 committed by David S. Miller
parent e3afe7b75e
commit e547bc1ecc
2 changed files with 2 additions and 2 deletions
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2
net/ipv4/tcp_ipv4.c
View File

@ -1374,7 +1374,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
*/
char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
if (newkey != NULL)
tcp_v4_md5_do_add(newsk, inet_sk(sk)->daddr,
tcp_v4_md5_do_add(newsk, newinet->daddr,
newkey, key->keylen);
newsk->sk_route_caps &= ~NETIF_F_GSO_MASK;
}

2
net/ipv6/tcp_ipv6.c
View File

@ -1442,7 +1442,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
*/
char *newkey = kmemdup(key->key, key->keylen, GFP_ATOMIC);
if (newkey != NULL)
tcp_v6_md5_do_add(newsk, &inet6_sk(sk)->daddr,
tcp_v6_md5_do_add(newsk, &newnp->daddr,
newkey, key->keylen);
}
#endif