From 97c26c1924b076ef23ebe4381558e8aa025712b2 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:54:37 +0200
Subject: Adding upstream version 1:4.13+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/lockpw.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 lib/lockpw.c

(limited to 'lib/lockpw.c')

diff --git a/lib/lockpw.c b/lib/lockpw.c
new file mode 100644
index 0000000..aaa317f
--- /dev/null
+++ b/lib/lockpw.c
@@ -0,0 +1,85 @@
+/*
+ * SPDX-FileCopyrightText: 1992       , Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <config.h>
+
+#ifndef HAVE_LCKPWDF
+
+#ident "$Id$"
+
+#include "prototypes.h"
+#include "defines.h"
+#include "pwio.h"
+#include "shadowio.h"
+/*
+ * lckpwdf - lock the password files
+ */
+int lckpwdf (void)
+{
+	int i;
+
+	/*
+	 * We have 15 seconds to lock the whole mess
+	 */
+
+	for (i = 0; i < 15; i++)
+		if (pw_lock ())
+			break;
+		else
+			sleep (1);
+
+	/*
+	 * Did we run out of time?
+	 */
+
+	if (i == 15)
+		return -1;
+
+	/*
+	 * Nope, use any remaining time to lock the shadow password
+	 * file.
+	 */
+
+	for (; i < 15; i++)
+		if (spw_lock ())
+			break;
+		else
+			sleep (1);
+
+	/*
+	 * Out of time yet?
+	 */
+
+	if (i == 15) {
+		pw_unlock ();
+		return -1;
+	}
+
+	/*
+	 * Nope - and both files are now locked.
+	 */
+
+	return 0;
+}
+
+/*
+ * ulckpwdf - unlock the password files
+ */
+
+int ulckpwdf (void)
+{
+
+	/*
+	 * Unlock both files.
+	 */
+
+	return (pw_unlock () && spw_unlock ())? 0 : -1;
+}
+#else
+extern int errno;		/* warning: ANSI C forbids an empty source file */
+#endif
-- 
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