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authorMatthias Dieter Wallnöfer <mdw@samba.org>2010-09-19 18:23:20 +0200
committerMatthias Dieter Wallnöfer <mdw@sn-devel-104.sn.samba.org>2010-10-03 15:23:18 +0000
commit69b7a87e98d3ecc937595c1a3cbd3c10abb9c652 (patch)
treeef828dcda310860671adb0685330712bcd4426b1 /source4/dsdb/samdb/ldb_modules
parente1509ec623480e11760221667c2d8a724e0da05a (diff)
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s4:show_deleted LDB module - also support the "show_recycled" control
MS-ADTS 3.1.1.3.4.1 and MS-ADTS 3.1.1.5.5 Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'source4/dsdb/samdb/ldb_modules')
-rw-r--r--source4/dsdb/samdb/ldb_modules/show_deleted.c73
1 files changed, 62 insertions, 11 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/show_deleted.c b/source4/dsdb/samdb/ldb_modules/show_deleted.c
index 34807cf4b2..5c5d726d86 100644
--- a/source4/dsdb/samdb/ldb_modules/show_deleted.c
+++ b/source4/dsdb/samdb/ldb_modules/show_deleted.c
@@ -4,6 +4,7 @@
Copyright (C) Simo Sorce 2005
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
+ Copyright (C) Matthias Dieter Wallnöfer 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -24,7 +25,8 @@
*
* Component: ldb deleted objects control module
*
- * Description: this module hides deleted objects, and returns them if the right control is there
+ * Description: this module hides deleted and recylced objects, and returns
+ * them if the right control is there
*
* Author: Stefan Metzmacher
*/
@@ -37,7 +39,7 @@
static int show_deleted_search(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_context *ldb;
- struct ldb_control *control;
+ struct ldb_control *show_del, *show_rec;
struct ldb_request *down_req;
struct ldb_parse_tree *new_tree = req->op.search.tree;
int ret;
@@ -45,12 +47,18 @@ static int show_deleted_search(struct ldb_module *module, struct ldb_request *re
ldb = ldb_module_get_ctx(module);
/* check if there's a show deleted control */
- control = ldb_request_get_control(req, LDB_CONTROL_SHOW_DELETED_OID);
+ show_del = ldb_request_get_control(req, LDB_CONTROL_SHOW_DELETED_OID);
+ /* check if there's a show recycled control */
+ show_rec = ldb_request_get_control(req, LDB_CONTROL_SHOW_RECYCLED_OID);
- if (! control) {
- /* FIXME: we could use a constant tree here once we
- are sure that no ldb modules modify trees
- in-situ */
+ if ((show_del == NULL) && (show_rec == NULL)) {
+ /* Here we have to suppress all deleted objects:
+ * MS-ADTS 3.1.1.3.4.1
+ *
+ * Filter: (&(!(isDeleted=TRUE))(...))
+ */
+ /* FIXME: we could use a constant tree here once we are sure
+ * that no ldb modules modify trees in-site */
new_tree = talloc(req, struct ldb_parse_tree);
if (!new_tree) {
return ldb_oom(ldb);
@@ -61,6 +69,7 @@ static int show_deleted_search(struct ldb_module *module, struct ldb_request *re
if (!new_tree->u.list.elements) {
return ldb_oom(ldb);
}
+
new_tree->u.list.elements[0] = talloc(new_tree->u.list.elements, struct ldb_parse_tree);
new_tree->u.list.elements[0]->operation = LDB_OP_NOT;
new_tree->u.list.elements[0]->u.isnot.child =
@@ -71,9 +80,41 @@ static int show_deleted_search(struct ldb_module *module, struct ldb_request *re
new_tree->u.list.elements[0]->u.isnot.child->operation = LDB_OP_EQUALITY;
new_tree->u.list.elements[0]->u.isnot.child->u.equality.attr = "isDeleted";
new_tree->u.list.elements[0]->u.isnot.child->u.equality.value = data_blob_string_const("TRUE");
+
+ new_tree->u.list.elements[1] = req->op.search.tree;
+ } else if ((show_del != NULL) && (show_rec == NULL)) {
+ /* Here we need to suppress all recycled objects:
+ * MS-ADTS 3.1.1.3.4.1
+ *
+ * Filter: (&(!(isRecycled=TRUE))(...))
+ */
+ /* FIXME: we could use a constant tree here once we are sure
+ * that no ldb modules modify trees in-site */
+ new_tree = talloc(req, struct ldb_parse_tree);
+ if (!new_tree) {
+ return ldb_oom(ldb);
+ }
+ new_tree->operation = LDB_OP_AND;
+ new_tree->u.list.num_elements = 2;
+ new_tree->u.list.elements = talloc_array(new_tree, struct ldb_parse_tree *, 2);
+ if (!new_tree->u.list.elements) {
+ return ldb_oom(ldb);
+ }
+
+ new_tree->u.list.elements[0] = talloc(new_tree->u.list.elements, struct ldb_parse_tree);
+ new_tree->u.list.elements[0]->operation = LDB_OP_NOT;
+ new_tree->u.list.elements[0]->u.isnot.child =
+ talloc(new_tree->u.list.elements, struct ldb_parse_tree);
+ if (!new_tree->u.list.elements[0]->u.isnot.child) {
+ return ldb_oom(ldb);
+ }
+ new_tree->u.list.elements[0]->u.isnot.child->operation = LDB_OP_EQUALITY;
+ new_tree->u.list.elements[0]->u.isnot.child->u.equality.attr = "isRecycled";
+ new_tree->u.list.elements[0]->u.isnot.child->u.equality.value = data_blob_string_const("TRUE");
+
new_tree->u.list.elements[1] = req->op.search.tree;
}
-
+
ret = ldb_build_search_req_ex(&down_req, ldb, req,
req->op.search.base,
req->op.search.scope,
@@ -87,9 +128,12 @@ static int show_deleted_search(struct ldb_module *module, struct ldb_request *re
return ret;
}
- /* mark the control as done */
- if (control) {
- control->critical = 0;
+ /* mark the controls as done */
+ if (show_del != NULL) {
+ show_del->critical = 0;
+ }
+ if (show_rec != NULL) {
+ show_rec->critical = 0;
}
/* perform the search */
@@ -110,6 +154,13 @@ static int show_deleted_init(struct ldb_module *module)
return ldb_operr(ldb);
}
+ ret = ldb_mod_register_control(module, LDB_CONTROL_SHOW_RECYCLED_OID);
+ if (ret != LDB_SUCCESS) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "show_deleted: Unable to register control with rootdse!\n");
+ return ldb_operr(ldb);
+ }
+
return ldb_next_init(module);
}