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selinux: pull address family directly from the request_sock struct

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We don't need to inspect the packet to determine if the packet is an
IPv4 packet arriving on an IPv6 socket when we can query the
request_sock directly.

Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Paul Moore 2013-12-03 11:39:13 -05:00
parent 050d032b25
commit 0b1f24e6db
1 changed files with 1 additions and 5 deletions
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6
security/selinux/hooks.c
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@ -4476,14 +4476,10 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb,
{
struct sk_security_struct *sksec = sk->sk_security;
int err;
u16 family = sk->sk_family;
u16 family = req->rsk_ops->family;
u32 connsid;
u32 peersid;
/* handle mapped IPv4 packets arriving via IPv6 sockets */
if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP))
family = PF_INET;
err = selinux_skb_peerlbl_sid(skb, family, &peersid);
if (err)
return err;