Adding upstream version 1:4.13+dfsg1.upstream/1%4.13+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/shadowmem.c b/lib/shadowmem.c
new file mode 100644
index 0000000..82f99e7
--- /dev/null
+++ b/lib/shadowmem.c
@@ -0,0 +1,68 @@
+/*
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2001       , Michał Moskal
+ * SPDX-FileCopyrightText: 2005       , Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2007 - 2013, Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <config.h>
+
+#ident "$Id$"
+
+#include "prototypes.h"
+#include "defines.h"
+#include <shadow.h>
+#include <stdio.h>
+#include "shadowio.h"
+
+/*@null@*/ /*@only@*/struct spwd *__spw_dup (const struct spwd *spent)
+{
+	struct spwd *sp;
+
+	sp = (struct spwd *) malloc (sizeof *sp);
+	if (NULL == sp) {
+		return NULL;
+	}
+	/* The libc might define other fields. They won't be copied. */
+	memset (sp, 0, sizeof *sp);
+	sp->sp_lstchg = spent->sp_lstchg;
+	sp->sp_min    = spent->sp_min;
+	sp->sp_max    = spent->sp_max;
+	sp->sp_warn   = spent->sp_warn;
+	sp->sp_inact  = spent->sp_inact;
+	sp->sp_expire = spent->sp_expire;
+	sp->sp_flag   = spent->sp_flag;
+	/*@-mustfreeonly@*/
+	sp->sp_namp   = strdup (spent->sp_namp);
+	/*@=mustfreeonly@*/
+	if (NULL == sp->sp_namp) {
+		free(sp);
+		return NULL;
+	}
+	/*@-mustfreeonly@*/
+	sp->sp_pwdp = strdup (spent->sp_pwdp);
+	/*@=mustfreeonly@*/
+	if (NULL == sp->sp_pwdp) {
+		free(sp->sp_namp);
+		free(sp);
+		return NULL;
+	}
+
+	return sp;
+}
+
+void spw_free (/*@out@*/ /*@only@*/struct spwd *spent)
+{
+	if (spent != NULL) {
+		free (spent->sp_namp);
+		if (NULL != spent->sp_pwdp) {
+			strzero (spent->sp_pwdp);
+			free (spent->sp_pwdp);
+		}
+		free (spent);
+	}
+}
+