File idmap-0002-Handle-NULL-names-better.patch of Package nfs-utils.37854

From 82718594eb8e6afabc572cea2da1caab69e9a720 Mon Sep 17 00:00:00 2001
From: Steve Dickson <steved@redhat.com>
Date: Thu, 30 Apr 2015 13:55:32 -0400
Subject: [PATCH] Handle NULL names better

Detect when an application passes in NULL names
and fail gracefully instead of crashing hard.

Signed-off-by: Steve Dickson <steved@redhat.com>
---
 libnfsidmap.c |    5 ++++-
 nss.c         |    3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

--- a/libnfsidmap.c
+++ b/libnfsidmap.c
@@ -102,8 +102,11 @@ static char * toupper_str(char *s)
 
 static int id_as_chars(char *name, int *id)
 {
-	long int value = strtol(name, NULL, 10);
+	long int value;
 
+	if (name == NULL)
+		return 0;
+	value = strtol(name, NULL, 10);
 	if (value == 0) {
 		/* zero value ids are valid */
 		if (strcmp(name, "0") != 0)
--- a/nss.c
+++ b/nss.c
@@ -149,6 +149,9 @@ static char *strip_domain(const char *na
 	char *l = NULL;
 	int len;
 
+	if (name == NULL)
+		goto out;
+
 	c = strrchr(name, '@');
 	if (c == NULL && domain != NULL)
 		goto out;