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* [MLSXFRM] Fix mis-labelling of child sockets
@ 2006-09-29 21:18 David Woodhouse
  2006-09-29 21:38 ` James Morris
  0 siblings, 1 reply; 3+ messages in thread
From: David Woodhouse @ 2006-09-29 21:18 UTC (permalink / raw)
  To: torvalds, akpm
  Cc: netdev, Stephen Smalley, Paul Moore, James Morris,
	Venkat Yekkirala, Eric Paris

Accepted connections of types other than AF_INET, AF_INET6, AF_UNIX
won't have an appropriate label derived from the peer, so don't use it.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>

--- linux-2.6.18.ppc/security/selinux/hooks.c~	2006-09-28 14:37:20.000000000 +0100
+++ linux-2.6.18.ppc/security/selinux/hooks.c	2006-09-29 19:00:25.000000000 +0100
@@ -3604,7 +3604,9 @@ void selinux_sock_graft(struct sock* sk,
 	struct inode_security_struct *isec = SOCK_INODE(parent)->i_security;
 	struct sk_security_struct *sksec = sk->sk_security;
 
-	isec->sid = sksec->sid;
+	if (sk->sk_family == PF_INET || sk->sk_family == PF_INET6 ||
+	    sk->sk_family == PF_UNIX)
+		isec->sid = sksec->sid;
 
 	selinux_netlbl_sock_graft(sk, parent);
 }

-- 
dwmw2


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2006-09-29 21:18 [MLSXFRM] Fix mis-labelling of child sockets David Woodhouse
2006-09-29 21:38 ` James Morris
2006-09-29 22:29   ` Paul Moore

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