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-rw-r--r--source4/dsdb/samdb/ldb_modules/anr.c42
1 files changed, 24 insertions, 18 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/anr.c b/source4/dsdb/samdb/ldb_modules/anr.c
index bd494c841b..4e2c527fe9 100644
--- a/source4/dsdb/samdb/ldb_modules/anr.c
+++ b/source4/dsdb/samdb/ldb_modules/anr.c
@@ -224,30 +224,26 @@ struct ldb_parse_tree *anr_replace_subtrees(struct ldb_parse_tree *tree,
void *context)
{
int i;
+ struct ldb_parse_tree *tmp;
+
switch (tree->operation) {
case LDB_OP_AND:
case LDB_OP_OR:
for (i=0;i<tree->u.list.num_elements;i++) {
- tree->u.list.elements[i] = anr_replace_subtrees(tree->u.list.elements[i],
- attr, callback, context);
- if (!tree->u.list.elements[i]) {
- return NULL;
- }
+ tmp = anr_replace_subtrees(tree->u.list.elements[i],
+ attr, callback, context);
+ if (tmp) tree->u.list.elements[i] = tmp;
}
break;
case LDB_OP_NOT:
- tree->u.isnot.child = anr_replace_subtrees(tree->u.isnot.child, attr, callback, context);
- if (!tree->u.isnot.child) {
- return NULL;
- }
+ tmp = anr_replace_subtrees(tree->u.isnot.child, attr, callback, context);
+ if (tmp) tree->u.isnot.child = tmp;
break;
case LDB_OP_EQUALITY:
if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
- tree = callback(tree, &tree->u.equality.value,
+ tmp = callback(tree, &tree->u.equality.value,
context);
- if (!tree) {
- return NULL;
- }
+ if (tmp) tree = tmp;
}
break;
case LDB_OP_SUBSTRING:
@@ -256,10 +252,8 @@ struct ldb_parse_tree *anr_replace_subtrees(struct ldb_parse_tree *tree,
tree->u.substring.end_with_wildcard == 1 &&
tree->u.substring.chunks[0] != NULL &&
tree->u.substring.chunks[1] == NULL) {
- tree = callback(tree, tree->u.substring.chunks[0], context);
- if (!tree) {
- return NULL;
- }
+ tmp = callback(tree, tree->u.substring.chunks[0], context);
+ if (tmp) tree = tmp;
}
}
break;
@@ -280,17 +274,29 @@ static int anr_search(struct ldb_module *module, struct ldb_request *req)
context->module = module;
context->found_anr = false;
+#if 0
+ printf("oldanr : %s\n", ldb_filter_from_tree (0, req->op.search.tree));
+#endif
+
/* Yes, this is a problem with req->op.search.tree being const... */
anr_tree = anr_replace_subtrees(req->op.search.tree, "anr", anr_replace_callback, context);
if (!anr_tree) {
+ talloc_free(context);
return LDB_ERR_OPERATIONS_ERROR;
}
if (context->found_anr) {
/* The above function modifies the tree if it finds "anr", so no
* point just setting this on the down_req */
+#if 0
+ printf("newtree: %s\n", ldb_filter_from_tree (0, anr_tree));
+#endif
req->op.search.tree = talloc_steal(req, anr_tree);
-
+ } else {
+ if (anr_tree != req->op.search.tree) {
+ talloc_free(anr_tree);
+ }
+ talloc_free(context);
}
return ldb_next_request(module, req);
}