#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 schema_fsmo_private_data *module_context;
+ struct ldb_request *orig_req;
+};
+
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);
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 0;
+}
+
+
+
+/* Add objectClasses, attributeTypes and dITContentRules from the
+ schema object (they are not stored in the database)
+ */
+static int schema_fsmo_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+{
+ const struct dsdb_schema *schema = dsdb_get_schema(ldb);
+ struct schema_fsmo_search_data *search_data = talloc_get_type(context, struct schema_fsmo_search_data);
+ struct ldb_request *orig_req = search_data->orig_req;
+ TALLOC_CTX *mem_ctx;
+ int i, ret;
+
+ /* Only entries are interesting, and we handle the case of the parent seperatly */
+ if (ares->type != LDB_REPLY_ENTRY) {
+ return orig_req->callback(ldb, orig_req->context, ares);
+ }
+
+ if (ldb_dn_compare(ares->message->dn, search_data->module_context->aggregate_dn) != 0) {
+ talloc_free(mem_ctx);
+ return orig_req->callback(ldb, orig_req->context, ares);
+ }
+
+ mem_ctx = talloc_new(ares);
+ if (!mem_ctx) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ for (i=0; i < ARRAY_SIZE(generated_attrs); i++) {
+ if (ldb_attr_in_list(orig_req->op.search.attrs, generated_attrs[i].attr)) {
+ ret = generated_attrs[i].fn(ldb, ares->message, schema);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+
+ talloc_free(mem_ctx);
+ return orig_req->callback(ldb, orig_req->context, ares);
+}
+
+/* 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;
+ }
+ down_req = talloc(req, struct ldb_request);
+ if (!down_req) {
+ ldb_oom(module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *down_req = *req;
+ search_context->orig_req = req;
+ search_context->module_context = talloc_get_type(module->private_data, struct schema_fsmo_private_data);
+ down_req->context = search_context;
+
+ down_req->callback = schema_fsmo_search_callback;
+
+ ret = ldb_next_request(module, down_req);
+
+ /* do not free down_req as the call results may be linked to it,
+ * it will be freed when the upper level request get freed */
+ if (ret == LDB_SUCCESS) {
+ req->handle = down_req->handle;
+ }
+ return ret;
+}
+
+
_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
};
git.samba.org / tprouty / samba.git / blobdiff