Make the callback deal with embryonic connections which do not have
credentials yet. Fixes PR kern/47598.
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e288e83a84
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@ -1,4 +1,4 @@
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/* $NetBSD: secmodel_extensions.c,v 1.4 2013/01/28 00:51:29 jym Exp $ */
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/* $NetBSD: secmodel_extensions.c,v 1.5 2013/02/28 15:23:24 martin Exp $ */
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/*-
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* Copyright (c) 2011 Elad Efrat <elad@NetBSD.org>
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* All rights reserved.
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@ -27,7 +27,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.4 2013/01/28 00:51:29 jym Exp $");
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__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.5 2013/02/28 15:23:24 martin Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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@ -481,6 +481,9 @@ secmodel_extensions_network_cb(kauth_cred_t cred, kauth_action_t action,
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if (curtain != 0) {
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struct socket *so = (struct socket *)arg1;
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if (__predict_false(so == NULL || so->so_cred == NULL))
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return KAUTH_RESULT_DENY;
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if (!kauth_cred_uidmatch(cred, so->so_cred)) {
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int error;
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bool isroot = false;
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