From 81511473d32294dc562d10f7b3e97630ccf0b64f Mon Sep 17 00:00:00 2001
From: glebius <glebius@FreeBSD.org>
Date: Mon, 26 Oct 2015 11:37:31 +0000
Subject: Upgrade NTP to 4.2.8p4.

Security:	FreeBSD-SA-15:25.ntp
Security:	CVE-2015-7871
Security:	CVE-2015-7855
Security:	CVE-2015-7854
Security:	CVE-2015-7853
Security:	CVE-2015-7852
Security:	CVE-2015-7851
Security:	CVE-2015-7850
Security:	CVE-2015-7849
Security:	CVE-2015-7848
Security:	CVE-2015-7701
Security:	CVE-2015-7703
Security:	CVE-2015-7704, CVE-2015-7705
Security:	CVE-2015-7691, CVE-2015-7692, CVE-2015-7702
Approved by:	so
---
 contrib/ntp/lib/isc/unix/strerror.c | 76 +++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 contrib/ntp/lib/isc/unix/strerror.c

(limited to 'contrib/ntp/lib/isc/unix/strerror.c')

diff --git a/contrib/ntp/lib/isc/unix/strerror.c b/contrib/ntp/lib/isc/unix/strerror.c
new file mode 100644
index 0000000..2278009
--- /dev/null
+++ b/contrib/ntp/lib/isc/unix/strerror.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: strerror.c,v 1.10 2009/02/16 23:48:04 tbox Exp $ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include <isc/mutex.h>
+#include <isc/once.h>
+#include <isc/print.h>
+#include <isc/strerror.h>
+#include <isc/util.h>
+
+#include "l_stdlib.h"		/* NTP local change */
+
+#ifdef HAVE_STRERROR
+/*%
+ * We need to do this this way for profiled locks.
+ */
+static isc_mutex_t isc_strerror_lock;
+static void init_lock(void) {
+	RUNTIME_CHECK(isc_mutex_init(&isc_strerror_lock) == ISC_R_SUCCESS);
+}
+#else
+extern const char * const sys_errlist[];
+extern const int sys_nerr;
+#endif
+
+void
+isc__strerror(int num, char *buf, size_t size) {
+#ifdef HAVE_STRERROR
+	char *msg;
+	unsigned int unum = (unsigned int)num;
+	static isc_once_t once = ISC_ONCE_INIT;
+
+	REQUIRE(buf != NULL);
+
+	RUNTIME_CHECK(isc_once_do(&once, init_lock) == ISC_R_SUCCESS);
+
+	LOCK(&isc_strerror_lock);
+	msg = strerror(num);
+	if (msg != NULL)
+		snprintf(buf, size, "%s", msg);
+	else
+		snprintf(buf, size, "Unknown error: %u", unum);
+	UNLOCK(&isc_strerror_lock);
+#else
+	unsigned int unum = (unsigned int)num;
+
+	REQUIRE(buf != NULL);
+
+	if (num >= 0 && num < sys_nerr)
+		snprintf(buf, size, "%s", sys_errlist[num]);
+	else
+		snprintf(buf, size, "Unknown error: %u", unum);
+#endif
+}
-- 
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