1 files changed, 15 insertions, 2 deletions
diff --git a/src/lib/krb5/os/kuserok.c b/src/lib/krb5/os/kuserok.c
index bc4f824126..b87b528d10 100644
--- a/src/lib/krb5/os/kuserok.c
+++ b/src/lib/krb5/os/kuserok.c
@@ -74,9 +74,22 @@ krb5_kuserok(krb5_context context, krb5_principal principal, const char *luser)
     int gobble;
 
     /* no account => no access */
-    if ((pwd = getpwnam(luser)) == NULL) {
+#ifdef HAVE_GETPWNAM_R
+    char pwbuf[BUFSIZ];
+    struct passwd pwx;
+#if !defined(GETPWNAM_R_4_ARGS)
+    /* POSIX */
+    if (getpwnam_r(luser, &pwx, pwbuf, sizeof(pwbuf), &pwd) != 0)
+	pwd = NULL;
+#else
+    /* draft POSIX */
+    pwd = getpwnam_r(luser, &pwx, pwbuf, sizeof(pwbuf));
+#endif
+#else
+    pwd = getpwnam(luser);
+#endif
+    if (pwd == NULL)
 	return(FALSE);
-    }
     (void) strncpy(pbuf, pwd->pw_dir, sizeof(pbuf) - 1);
     pbuf[sizeof(pbuf) - 1] = '\0';
     (void) strncat(pbuf, "/.k5login", sizeof(pbuf) - 1 - strlen(pbuf));