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-rw-r--r--source4/lib/ldb/common/ldb_dn.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_dn.c b/source4/lib/ldb/common/ldb_dn.c
index f11ccf35d7..79953c6018 100644
--- a/source4/lib/ldb/common/ldb_dn.c
+++ b/source4/lib/ldb/common/ldb_dn.c
@@ -2001,3 +2001,26 @@ bool ldb_dn_is_null(struct ldb_dn *dn)
return false;
}
+/*
+ this updates dn->components, taking the components from ref_dn.
+ This is used by code that wants to update the DN path of a DN
+ while not impacting on the extended DN components
+ */
+int ldb_dn_update_components(struct ldb_dn *dn, const struct ldb_dn *ref_dn)
+{
+ dn->components = talloc_realloc(dn, dn->components,
+ struct ldb_dn_component, ref_dn->comp_num);
+ if (!dn->components) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ memcpy(dn->components, ref_dn->components,
+ sizeof(struct ldb_dn_component)*ref_dn->comp_num);
+ dn->comp_num = ref_dn->comp_num;
+
+ talloc_free(dn->linearized);
+ talloc_free(dn->ext_linearized);
+ dn->ext_linearized = NULL;
+ dn->linearized = NULL;
+
+ return LDB_SUCCESS;
+}