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ipv4: Fixed MD5 key lookups when adding/ removing MD5 to/ from TCP sockets. 

MD5 key lookups on a given TCP socket were being performed
incorrectly. This fix alters parameter inputs to the MD5
lookup function tcp_md5_do_lookup, which is called by functions
tcp_md5_do_add and tcp_md5_do_del. Specifically, the change now
inputs the correct address and address family required to make
a proper lookup.

Signed-off-by: Aydin Arik <aydin.arik@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aydin Arik 2013-06-14 18:56:31 +12:00 committed by David S. Miller
parent f5351ef73e
commit c0353c7b5d
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/tcp_ipv4.c
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@ -1003,7 +1003,7 @@ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr,
struct tcp_sock *tp = tcp_sk(sk); struct tcp_sock *tp = tcp_sk(sk);
struct tcp_md5sig_info *md5sig; struct tcp_md5sig_info *md5sig;
key = tcp_md5_do_lookup(sk, (union tcp_md5_addr *)&addr, AF_INET); key = tcp_md5_do_lookup(sk, addr, family);
if (key) { if (key) {
/* Pre-existing entry - just update that one. */ /* Pre-existing entry - just update that one. */
memcpy(key->key, newkey, newkeylen); memcpy(key->key, newkey, newkeylen);
@ -1048,7 +1048,7 @@ int tcp_md5_do_del(struct sock *sk, const union tcp_md5_addr *addr, int family)
struct tcp_md5sig_key *key; struct tcp_md5sig_key *key;
struct tcp_md5sig_info *md5sig; struct tcp_md5sig_info *md5sig;
key = tcp_md5_do_lookup(sk, (union tcp_md5_addr *)&addr, AF_INET); key = tcp_md5_do_lookup(sk, addr, family);
if (!key) if (!key)
return -ENOENT; return -ENOENT;
hlist_del_rcu(&key->node); hlist_del_rcu(&key->node);