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Commit 8a622e71 authored Jan 20, 2012 by shawnlu Committed by David S. Miller Jan 22, 2012

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



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>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent df505eb8

net/ipv4/tcp_ipv4.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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) \|

net/ipv6/tcp_ipv6.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)