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make bind() fail with EINVAL if the address family of the provided

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socket does not match the address family of the sockaddr received.
This commit is contained in:
rtr 2015-04-05 02:26:39 +00:00
parent 27de1fdbf3
commit 9b6821f2d1
1 changed files with 6 additions and 2 deletions
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8
sys/kern/uipc_socket.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_socket.c,v 1.236 2015/04/03 20:01:07 rtr Exp $ */
/* $NetBSD: uipc_socket.c,v 1.237 2015/04/05 02:26:39 rtr Exp $ */
/*-
* Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.236 2015/04/03 20:01:07 rtr Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_socket.c,v 1.237 2015/04/05 02:26:39 rtr Exp $");
#include "opt_compat_netbsd.h"
#include "opt_sock_counters.h"
@ -629,6 +629,10 @@ sobind(struct socket *so, struct sockaddr *nam, struct lwp *l)
int error;
solock(so);
if (nam->sa_family != so->so_proto->pr_domain->dom_family) {
sounlock(so);
return EINVAL;
}
error = (*so->so_proto->pr_usrreqs->pr_bind)(so, nam, l);
sounlock(so);
return error;