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Make the callback deal with embryonic connections which do not have 

credentials yet. Fixes PR kern/47598.
This commit is contained in:
martin 2013-02-28 15:23:24 +00:00
parent e288e83a84
commit b2066a0272
1 changed files with 5 additions and 2 deletions
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7
sys/secmodel/extensions/secmodel_extensions.c
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@ -1,4 +1,4 @@
/* $NetBSD: secmodel_extensions.c,v 1.4 2013/01/28 00:51:29 jym Exp $ */
/* $NetBSD: secmodel_extensions.c,v 1.5 2013/02/28 15:23:24 martin Exp $ */
/*-
* Copyright (c) 2011 Elad Efrat <elad@NetBSD.org>
* All rights reserved.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.4 2013/01/28 00:51:29 jym Exp $");
__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.5 2013/02/28 15:23:24 martin Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -481,6 +481,9 @@ secmodel_extensions_network_cb(kauth_cred_t cred, kauth_action_t action,
if (curtain != 0) {
struct socket *so = (struct socket *)arg1;
if (__predict_false(so == NULL || so->so_cred == NULL))
return KAUTH_RESULT_DENY;
if (!kauth_cred_uidmatch(cred, so->so_cred)) {
int error;
bool isroot = false;