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-rw-r--r--source4/lib/ldb/ldb_tdb/ldb_tdb.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb.c b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
index 8d8c01278d..b58b03f221 100644
--- a/source4/lib/ldb/ldb_tdb/ldb_tdb.c
+++ b/source4/lib/ldb/ldb_tdb/ldb_tdb.c
@@ -772,6 +772,31 @@ static int ltdb_request(struct ldb_module *module, struct ldb_request *req)
}
}
+/*
+ return sequenceNumber from @BASEINFO
+*/
+static uint64_t ltdb_sequence_number(struct ldb_context *ldb)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ const char *attrs[] = { "sequenceNumber", NULL };
+ struct ldb_result *res = NULL;
+ struct ldb_dn *dn = ldb_dn_explode(tmp_ctx, "@BASEINFO");
+ int ret;
+ uint64_t seq_num;
+
+ ret = ldb_search(ldb, dn, LDB_SCOPE_BASE, NULL, attrs, &res);
+ talloc_steal(tmp_ctx, res);
+ if (ret != LDB_SUCCESS || res->count != 1) {
+ talloc_free(tmp_ctx);
+ /* zero is as good as anything when we don't know */
+ return 0;
+ }
+
+ seq_num = ldb_msg_find_uint64(res->msgs[0], "sequenceNumber", 0);
+ talloc_free(tmp_ctx);
+ return seq_num;
+}
+
static int ltdb_init_2(struct ldb_module *module)
{
return LDB_SUCCESS;
@@ -847,6 +872,7 @@ int ltdb_connect(struct ldb_context *ldb, const char *url,
ldb->modules->prev = ldb->modules->next = NULL;
ldb->modules->private_data = ltdb;
ldb->modules->ops = &ltdb_ops;
+ ldb->sequence_number = ltdb_sequence_number;
return 0;
}