From 9e0b9d6d4872db507b65989f975b8e145cf81e8b Mon Sep 17 00:00:00 2001
From: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Date: Fri, 19 Oct 2018 12:15:53 +0200
Subject: [PATCH] nwrap: fix nwrap_module_getpwuid_r

On success *pwdstp must point to pwdst, on error return NULL instead.

Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---
 src/nss_wrapper.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nss_wrapper.c b/src/nss_wrapper.c
index a0f25db..3866d05 100644
--- a/src/nss_wrapper.c
+++ b/src/nss_wrapper.c
@@ -3902,7 +3902,7 @@ static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
 {
 	int ret;
 
-	(void) pwdstp; /* unused */
+	*pwdstp = NULL;
 
 	if (!b->fns->_nss_getpwuid_r) {
 		return ENOENT;
@@ -3911,6 +3911,7 @@ static int nwrap_module_getpwuid_r(struct nwrap_backend *b,
 	ret = b->fns->_nss_getpwuid_r(uid, pwdst, buf, buflen, &errno);
 	switch (ret) {
 	case NSS_STATUS_SUCCESS:
+		*pwdstp = pwdst;
 		return 0;
 	case NSS_STATUS_NOTFOUND:
 		if (errno != 0) {
-- 
2.34.1