copy username, much like other string-valued options (more about ITS#6257)

diff --git a/libraries/libldap/cyrus.c b/libraries/libldap/cyrus.c
index 5591682746a276dee2b6228d3e3bc50f14a7d90a..c9a5a462430a6090a9a07cded72be0e0295071af 100644 (file)
--- a/libraries/libldap/cyrus.c
+++ b/libraries/libldap/cyrus.c
@@ -1035,7 +1035,7 @@ ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
                                return -1;
                        }
 
-                       *(char **)arg = username;
+                       *(char **)arg = username ? LDAP_STRDUP( username ) : NULL;
                } break;
 
                case LDAP_OPT_X_SASL_SECPROPS: