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Diffstat (limited to 'source4/lib/ldb/common/ldb_attributes.c')
-rw-r--r--source4/lib/ldb/common/ldb_attributes.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/source4/lib/ldb/common/ldb_attributes.c b/source4/lib/ldb/common/ldb_attributes.c
index ab6aa0b734..747f241781 100644
--- a/source4/lib/ldb/common/ldb_attributes.c
+++ b/source4/lib/ldb/common/ldb_attributes.c
@@ -51,6 +51,10 @@ int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb,
int i, n;
struct ldb_schema_attribute *a;
+ if (!syntax) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
n = ldb->schema.num_attributes + 1;
a = talloc_realloc(ldb, ldb->schema.attributes,
@@ -64,6 +68,10 @@ 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));
}
@@ -157,6 +165,11 @@ void ldb_schema_attribute_remove(struct ldb_context *ldb, const char *name)
return;
}
+ /* FIXED attributes are never removed */
+ if (a->flags & LDB_ATTR_FLAG_FIXED) {
+ return;
+ }
+
if (a->flags & LDB_ATTR_FLAG_ALLOCATED) {
talloc_free(discard_const_p(char, a->name));
}