#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
-#include "lib/util/dlinklist.h"
+#include "../lib/util/dlinklist.h"
#include "param/param.h"
+static int generate_objectClasses(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema);
+static int generate_attributeTypes(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema);
+static int generate_dITContentRules(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema);
+
+static const struct {
+ const char *attr;
+ int (*fn)(struct ldb_context *, struct ldb_message *, const struct dsdb_schema *);
+} generated_attrs[] = {
+ {
+ .attr = "objectClasses",
+ .fn = generate_objectClasses
+ },
+ {
+ .attr = "attributeTypes",
+ .fn = generate_attributeTypes
+ },
+ {
+ .attr = "dITContentRules",
+ .fn = generate_dITContentRules
+ }
+};
+
+struct schema_fsmo_private_data {
+ struct ldb_dn *aggregate_dn;
+};
+
+struct schema_fsmo_search_data {
+ struct ldb_module *module;
+ struct ldb_request *req;
+
+ const struct dsdb_schema *schema;
+};
+
static int schema_fsmo_init(struct ldb_module *module)
{
TALLOC_CTX *mem_ctx;
struct dsdb_schema *schema;
char *error_string = NULL;
int ret;
-
- if (dsdb_get_schema(module->ldb)) {
- return ldb_next_init(module);
- }
+ struct schema_fsmo_private_data *data;
schema_dn = samdb_schema_dn(module->ldb);
if (!schema_dn) {
return ldb_next_init(module);
}
+ data = talloc(module, struct schema_fsmo_private_data);
+ if (data == NULL) {
+ ldb_oom(module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Check to see if this is a result on the CN=Aggregate schema */
+ data->aggregate_dn = ldb_dn_copy(data, schema_dn);
+ if (!ldb_dn_add_child_fmt(data->aggregate_dn, "CN=Aggregate")) {
+ ldb_oom(module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ module->private_data = data;
+
+ if (dsdb_get_schema(module->ldb)) {
+ return ldb_next_init(module);
+ }
+
mem_ctx = talloc_new(module);
if (!mem_ctx) {
ldb_oom(module->ldb);
"schema_fsmo_init: dsdb_schema load failed: %s",
error_string);
talloc_free(mem_ctx);
+ return ret;
}
/* dsdb_set_schema() steal schema into the ldb_context */
uint32_t id32;
WERROR status;
+ /* special objects should always go through */
+ if (ldb_dn_is_special(req->op.add.message->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ /* replicated update should always go through */
+ if (ldb_request_get_control(req, DSDB_CONTROL_REPLICATED_UPDATE_OID)) {
+ return ldb_next_request(module, req);
+ }
+
schema = dsdb_get_schema(module->ldb);
if (!schema) {
return ldb_next_request(module, req);
return LDB_SUCCESS;
}
+static int generate_objectClasses(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ const struct dsdb_class *class;
+ int ret;
+
+ for (class = schema->classes; class; class = class->next) {
+ ret = ldb_msg_add_string(msg, "objectClasses", schema_class_to_description(msg, class));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ return LDB_SUCCESS;
+}
+static int generate_attributeTypes(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ const struct dsdb_attribute *attribute;
+ int ret;
+
+ for (attribute = schema->attributes; attribute; attribute = attribute->next) {
+ ret = ldb_msg_add_string(msg, "attributeTypes", schema_attribute_to_description(msg, attribute));
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ return LDB_SUCCESS;
+}
+
+static int generate_dITContentRules(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ const struct dsdb_class *class;
+ int ret;
+
+ for (class = schema->classes; class; class = class->next) {
+ if (class->auxiliaryClass || class->systemAuxiliaryClass) {
+ char *ditcontentrule = schema_class_to_dITContentRule(msg, class, schema);
+ if (!ditcontentrule) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_msg_add_steal_string(msg, "dITContentRules", ditcontentrule);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+ return LDB_SUCCESS;
+}
+
+
+
+/* Add objectClasses, attributeTypes and dITContentRules from the
+ schema object (they are not stored in the database)
+ */
+static int schema_fsmo_search_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ struct schema_fsmo_search_data *ac;
+ struct schema_fsmo_private_data *mc;
+ int i, ret;
+
+ ac = talloc_get_type(req->context, struct schema_fsmo_search_data);
+ mc = talloc_get_type(ac->module->private_data, struct schema_fsmo_private_data);
+
+ if (!ares) {
+ return ldb_module_done(ac->req, NULL, NULL,
+ LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (ares->error != LDB_SUCCESS) {
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+ /* Only entries are interesting, and we handle the case of the parent seperatly */
+
+ switch (ares->type) {
+ case LDB_REPLY_ENTRY:
+
+ if (ldb_dn_compare(ares->message->dn, mc->aggregate_dn) != 0) {
+ return ldb_module_send_entry(ac->req, ares->message);
+ }
+
+ for (i=0; i < ARRAY_SIZE(generated_attrs); i++) {
+ if (ldb_attr_in_list(ac->req->op.search.attrs, generated_attrs[i].attr)) {
+ ret = generated_attrs[i].fn(ac->module->ldb, ares->message, ac->schema);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+
+ return ldb_module_send_entry(ac->req, ares->message);
+
+ case LDB_REPLY_REFERRAL:
+
+ return ldb_module_send_referral(ac->req, ares->referral);
+
+ case LDB_REPLY_DONE:
+
+ return ldb_module_done(ac->req, ares->controls,
+ ares->response, ares->error);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* search */
+static int schema_fsmo_search(struct ldb_module *module, struct ldb_request *req)
+{
+ int i, ret;
+ struct schema_fsmo_search_data *search_context;
+ struct ldb_request *down_req;
+ struct dsdb_schema *schema = dsdb_get_schema(module->ldb);
+
+ if (!schema || !module->private_data) {
+ /* If there is no schema, there is little we can do */
+ return ldb_next_request(module, req);
+ }
+ for (i=0; i < ARRAY_SIZE(generated_attrs); i++) {
+ if (ldb_attr_in_list(req->op.search.attrs, generated_attrs[i].attr)) {
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(generated_attrs)) {
+ /* No request for a generated attr found, nothing to
+ * see here, move along... */
+ return ldb_next_request(module, req);
+ }
+
+ search_context = talloc(req, struct schema_fsmo_search_data);
+ if (!search_context) {
+ ldb_oom(module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ search_context->module = module;
+ search_context->req = req;
+ search_context->schema = schema;
+
+ ret = ldb_build_search_req_ex(&down_req, module->ldb, search_context,
+ req->op.search.base,
+ req->op.search.scope,
+ req->op.search.tree,
+ req->op.search.attrs,
+ req->controls,
+ search_context, schema_fsmo_search_callback,
+ req);
+ if (ret != LDB_SUCCESS) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return ldb_next_request(module, down_req);
+}
+
+
_PUBLIC_ const struct ldb_module_ops ldb_schema_fsmo_module_ops = {
.name = "schema_fsmo",
.init_context = schema_fsmo_init,
.add = schema_fsmo_add,
- .extended = schema_fsmo_extended
+ .extended = schema_fsmo_extended,
+ .search = schema_fsmo_search
};