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-rw-r--r--source4/lib/ldb/common/ldb_attributes.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_attributes.c b/source4/lib/ldb/common/ldb_attributes.c
index 1e69f412df..3b9d01682c 100644
--- a/source4/lib/ldb/common/ldb_attributes.c
+++ b/source4/lib/ldb/common/ldb_attributes.c
@@ -64,6 +64,10 @@ int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb,
for (i = 0; i < ldb->schema.num_attributes; i++) {
int cmp = ldb_attr_cmp(attribute, a[i].name);
if (cmp == 0) {
+ /* silently ignore attempts to overwrite fixed attributes */
+ if (a[i].flags & LDB_ATTR_FLAG_FIXED) {
+ return 0;
+ }
if (a[i].flags & LDB_ATTR_FLAG_ALLOCATED) {
talloc_free(discard_const_p(char, a[i].name));
}