s4-dsdb: check for single valued attribute in repl_meta_data module

This is needed because we can have more than 1 value in a single valued
attribute as we store also deleted values. So we do the check in repl_meta_data
and then indicate LDB to do the check.

Signed-off-by: Andrew Tridgell <tridge@samba.org>

diff --git a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
index 830c118945fb0d13758bc7dd017959a63dc17e52..236326096367e6341aa0b761d84a9098ec23d167 100644 (file)
--- a/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
+++ b/source4/dsdb/samdb/ldb_modules/repl_meta_data.c
@@ -2168,6 +2168,17 @@ static int replmd_modify_handle_linked_attribs(struct ldb_module *module,
                                               el->flags, el->name);
                        return LDB_ERR_UNWILLING_TO_PERFORM;
                }
+               if (dsdb_check_single_valued_link(schema_attr, el) != LDB_SUCCESS) {
+                       ldb_asprintf_errstring(ldb,
+                                              "Attribute %s is single valued but more than one value has been supplied",
+                                              el->name);
+                       return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+               } else {
+                       el->flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+               }
+
+
+
                if (ret != LDB_SUCCESS) {
                        return ret;
                }