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tcpv[46]: fix md5 pseudoheader address field ordering 

Maybe it's just me but I guess those md5 people made a mess
out of it by having *_md5_hash_* to use daddr, saddr order
instead of the one that is natural (and equal to what csum
functions use). For the segment were sending, the original
addresses are reversed so buff's saddr == skb's daddr and
vice-versa.

Maybe I can finally proceed with unification of some code
after fixing it first... :-)

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2008-10-09 14:37:47 -07:00 committed by David S. Miller
parent df58ef51ca
commit 78e645cb89
2 changed files with 4 additions and 4 deletions
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4
net/ipv4/tcp_ipv4.c
View File

@ -583,8 +583,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
rep.th.doff = arg.iov[0].iov_len / 4;
tcp_v4_md5_hash_hdr((__u8 *) &rep.opt[1],
key, ip_hdr(skb)->daddr,
ip_hdr(skb)->saddr, &rep.th);
key, ip_hdr(skb)->saddr,
ip_hdr(skb)->daddr, &rep.th);
}
#endif
arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr,

4
net/ipv6/tcp_ipv6.c
View File

@ -1007,8 +1007,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
(TCPOPT_MD5SIG << 8) |
TCPOLEN_MD5SIG);
tcp_v6_md5_hash_hdr((__u8 *)&opt[1], key,
&ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr, t1);
&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr, t1);
}
#endif