commit 82718594eb8e6afabc572cea2da1caab69e9a720

Author: Steve Dickson <steved@redhat.com>

Date:   Thu Apr 30 13:55:32 2015 -0400

    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>

diff --git a/libnfsidmap.c b/libnfsidmap.c

index 833f94c..a8a9229 100644

--- a/libnfsidmap.c

+++ b/libnfsidmap.c

@@ -100,8 +100,11 @@ static char * toupper_str(char *s)

 static int id_as_chars(char *name, uid_t *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)

diff --git a/nss.c b/nss.c

index f8129fe..b3fef5a 100644

--- a/nss.c

+++ b/nss.c

@@ -135,6 +135,9 @@ static char *strip_domain(const char *name, const char *domain)

 	char *l = NULL;

 	int len;

+	if (name == NULL)

+		goto out;

+

 	c = strrchr(name, '@');

 	if (c == NULL && domain != NULL)

 		goto out;