diff mbox

tcp: md5: using remote adress for md5 lookup in rst packet

Message ID 1327098124-19922-1-git-send-email-shawn.lu@ericsson.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Shawn Lu Jan. 20, 2012, 10:22 p.m. UTC 
From: shawnlu <shawn.lu@ericsson.com>

md5 key is added in socket through remote address.
remote address should be used in finding md5 key when
sending out reset packet.

Signed-off-by: shawnlu <shawn.lu@ericsson.com>
---
 net/ipv4/tcp_ipv4.c |    2 +-
 net/ipv6/tcp_ipv6.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

David Miller Jan. 22, 2012, 7:25 p.m. UTC | #1 
From: Shawn Lu <shawn.lu@ericsson.com>
Date: Fri, 20 Jan 2012 14:22:04 -0800

> From: shawnlu <shawn.lu@ericsson.com>
> 
> md5 key is added in socket through remote address.
> remote address should be used in finding md5 key when
> sending out reset packet.
> 
> Signed-off-by: shawnlu <shawn.lu@ericsson.com>

Applied.
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diff mbox

Patch

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 1eb4ad5..337ba4c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -631,7 +631,7 @@  static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
 	arg.iov[0].iov_len  = sizeof(rep.th);
 
 #ifdef CONFIG_TCP_MD5SIG
-	key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->daddr) : NULL;
+	key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->saddr) : NULL;
 	if (key) {
 		rep.opt[0] = htonl((TCPOPT_NOP << 24) |
 				   (TCPOPT_NOP << 16) |
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 906c7ca..3edd05a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1083,7 +1083,7 @@  static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 
 #ifdef CONFIG_TCP_MD5SIG
 	if (sk)
-		key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr);
+		key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->saddr);
 #endif
 
 	if (th->ack)