*/
#include "includes.h"
-#include "lib/ldb/include/ldb.h"
-#include "lib/ldb/include/ldb_errors.h"
-#include "lib/ldb/include/ldb_private.h"
+#include "ldb_module.h"
#include "dsdb/samdb/samdb.h"
#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 "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 int generate_extendedAttributeInfo(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema);
+static int generate_extendedClassInfo(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema);
+static int generate_possibleInferiors(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 *);
+ bool aggregate;
+} generated_attrs[] = {
+ {
+ .attr = "objectClasses",
+ .fn = generate_objectClasses,
+ .aggregate = true,
+ },
+ {
+ .attr = "attributeTypes",
+ .fn = generate_attributeTypes,
+ .aggregate = true,
+ },
+ {
+ .attr = "dITContentRules",
+ .fn = generate_dITContentRules,
+ .aggregate = true,
+ },
+ {
+ .attr = "extendedAttributeInfo",
+ .fn = generate_extendedAttributeInfo,
+ .aggregate = true,
+ },
+ {
+ .attr = "extendedClassInfo",
+ .fn = generate_extendedClassInfo,
+ .aggregate = true,
+ },
+ {
+ .attr = "possibleInferiors",
+ .fn = generate_possibleInferiors,
+ .aggregate = false,
+ }
+};
+
+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)
{
+ struct ldb_context *ldb;
TALLOC_CTX *mem_ctx;
struct ldb_dn *schema_dn;
struct dsdb_schema *schema;
char *error_string = NULL;
int ret;
+ struct schema_fsmo_private_data *data;
- if (dsdb_get_schema(module->ldb)) {
+ ldb = ldb_module_get_ctx(module);
+ schema_dn = samdb_schema_dn(ldb);
+ if (!schema_dn) {
+ ldb_reset_err_string(ldb);
+ ldb_debug(ldb, LDB_DEBUG_WARNING,
+ "schema_fsmo_init: no schema dn present: (skip schema loading)\n");
return ldb_next_init(module);
}
- schema_dn = samdb_schema_dn(module->ldb);
- if (!schema_dn) {
- ldb_reset_err_string(module->ldb);
- ldb_debug(module->ldb, LDB_DEBUG_WARNING,
- "schema_fsmo_init: no schema dn present: (skip schema loading)\n");
+ data = talloc(module, struct schema_fsmo_private_data);
+ if (data == NULL) {
+ ldb_oom(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(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ldb_module_set_private(module, data);
+
+ if (dsdb_get_schema(ldb)) {
return ldb_next_init(module);
}
mem_ctx = talloc_new(module);
if (!mem_ctx) {
- ldb_oom(module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = dsdb_schema_from_schema_dn(mem_ctx, module->ldb,
- lp_iconv_convenience(ldb_get_opaque(module->ldb, "loadparm")),
+ ret = dsdb_schema_from_schema_dn(mem_ctx, ldb,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
schema_dn, &schema, &error_string);
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- ldb_reset_err_string(module->ldb);
- ldb_debug(module->ldb, LDB_DEBUG_WARNING,
+ ldb_reset_err_string(ldb);
+ ldb_debug(ldb, LDB_DEBUG_WARNING,
"schema_fsmo_init: no schema head present: (skip schema loading)\n");
talloc_free(mem_ctx);
return ldb_next_init(module);
}
if (ret != LDB_SUCCESS) {
- ldb_asprintf_errstring(module->ldb,
+ ldb_asprintf_errstring(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 */
- ret = dsdb_set_schema(module->ldb, schema);
+ ret = dsdb_set_schema(ldb, schema);
if (ret != LDB_SUCCESS) {
- ldb_debug_set(module->ldb, LDB_DEBUG_FATAL,
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
"schema_fsmo_init: dsdb_set_schema() failed: %d:%s",
ret, ldb_strerror(ret));
talloc_free(mem_ctx);
static int schema_fsmo_add(struct ldb_module *module, struct ldb_request *req)
{
+ struct ldb_context *ldb;
struct dsdb_schema *schema;
const char *attributeID = NULL;
const char *governsID = NULL;
uint32_t id32;
WERROR status;
- schema = dsdb_get_schema(module->ldb);
+ ldb = ldb_module_get_ctx(module);
+
+ /* 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(ldb);
if (!schema) {
return ldb_next_request(module, req);
}
if (!schema->fsmo.we_are_master) {
- ldb_debug_set(module->ldb, LDB_DEBUG_ERROR,
+ ldb_debug_set(ldb, LDB_DEBUG_ERROR,
"schema_fsmo_add: we are not master: reject request\n");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
if (W_ERROR_IS_OK(status)) {
return ldb_next_request(module, req);
} else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
- ldb_debug_set(module->ldb, LDB_DEBUG_ERROR,
+ ldb_debug_set(ldb, LDB_DEBUG_ERROR,
"schema_fsmo_add: failed to map %s[%s]: %s\n",
oid_attr, oid, win_errstr(status));
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- status = dsdb_create_prefix_mapping(module->ldb, schema, oid);
+ status = dsdb_create_prefix_mapping(ldb, schema, oid);
if (!W_ERROR_IS_OK(status)) {
- ldb_debug_set(module->ldb, LDB_DEBUG_ERROR,
+ ldb_debug_set(ldb, LDB_DEBUG_ERROR,
"schema_fsmo_add: failed to create prefix mapping for %s[%s]: %s\n",
oid_attr, oid, win_errstr(status));
return LDB_ERR_UNWILLING_TO_PERFORM;
static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *req)
{
- WERROR status;
+ struct ldb_context *ldb;
struct ldb_dn *schema_dn;
struct dsdb_schema *schema;
char *error_string = NULL;
int ret;
TALLOC_CTX *mem_ctx;
-
+
+ ldb = ldb_module_get_ctx(module);
+
if (strcmp(req->op.extended.oid, DSDB_EXTENDED_SCHEMA_UPDATE_NOW_OID) != 0) {
return ldb_next_request(module, req);
}
- schema_dn = samdb_schema_dn(module->ldb);
+ schema_dn = samdb_schema_dn(ldb);
if (!schema_dn) {
- ldb_reset_err_string(module->ldb);
- ldb_debug(module->ldb, LDB_DEBUG_WARNING,
+ ldb_reset_err_string(ldb);
+ ldb_debug(ldb, LDB_DEBUG_WARNING,
"schema_fsmo_extended: no schema dn present: (skip schema loading)\n");
return ldb_next_request(module, req);
}
mem_ctx = talloc_new(module);
if (!mem_ctx) {
- ldb_oom(module->ldb);
+ ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = dsdb_schema_from_schema_dn(mem_ctx, module->ldb,
- lp_iconv_convenience(ldb_get_opaque(module->ldb, "loadparm")),
+ ret = dsdb_schema_from_schema_dn(mem_ctx, ldb,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
schema_dn, &schema, &error_string);
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- ldb_reset_err_string(module->ldb);
- ldb_debug(module->ldb, LDB_DEBUG_WARNING,
+ ldb_reset_err_string(ldb);
+ ldb_debug(ldb, LDB_DEBUG_WARNING,
"schema_fsmo_extended: no schema head present: (skip schema loading)\n");
talloc_free(mem_ctx);
return ldb_next_request(module, req);
}
if (ret != LDB_SUCCESS) {
- ldb_asprintf_errstring(module->ldb,
+ ldb_asprintf_errstring(ldb,
"schema_fsmo_extended: dsdb_schema load failed: %s",
error_string);
talloc_free(mem_ctx);
}
/* Replace the old schema*/
- ret = dsdb_set_schema(module->ldb, schema);
+ ret = dsdb_set_schema(ldb, schema);
if (ret != LDB_SUCCESS) {
- ldb_debug_set(module->ldb, LDB_DEBUG_FATAL,
+ ldb_debug_set(ldb, LDB_DEBUG_FATAL,
"schema_fsmo_extended: dsdb_set_schema() failed: %d:%s",
ret, ldb_strerror(ret));
talloc_free(mem_ctx);
return ret;
}
+ dsdb_make_schema_global(ldb);
+
talloc_free(mem_ctx);
return LDB_SUCCESS;
}
+static int generate_objectClasses(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ const struct dsdb_class *sclass;
+ int ret;
+
+ for (sclass = schema->classes; sclass; sclass = sclass->next) {
+ ret = ldb_msg_add_string(msg, "objectClasses", schema_class_to_description(msg, sclass));
+ 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 *sclass;
+ int ret;
+
+ for (sclass = schema->classes; sclass; sclass = sclass->next) {
+ if (sclass->auxiliaryClass || sclass->systemAuxiliaryClass) {
+ char *ditcontentrule = schema_class_to_dITContentRule(msg, sclass, 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;
+}
+
+static int generate_extendedAttributeInfo(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) {
+ char *val = schema_attribute_to_extendedInfo(msg, attribute);
+ if (!val) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_msg_add_string(msg, "extendedAttributeInfo", val);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
+static int generate_extendedClassInfo(struct ldb_context *ldb,
+ struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ const struct dsdb_class *sclass;
+ int ret;
+
+ for (sclass = schema->classes; sclass; sclass = sclass->next) {
+ char *val = schema_class_to_extendedInfo(msg, sclass);
+ if (!val) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_msg_add_string(msg, "extendedClassInfo", val);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
+
+static int generate_possibleInferiors(struct ldb_context *ldb, struct ldb_message *msg,
+ const struct dsdb_schema *schema)
+{
+ struct ldb_dn *dn = msg->dn;
+ int ret, i;
+ const char *first_component_name = ldb_dn_get_component_name(dn, 0);
+ const struct ldb_val *first_component_val;
+ const char *class_name;
+ const struct dsdb_class *schema_class;
+ const char **possibleInferiors;
+
+ if (strcasecmp(first_component_name, "cn") != 0) {
+ return LDB_SUCCESS;
+ }
+
+ first_component_val = ldb_dn_get_component_val(dn, 0);
+ class_name = (const char *)first_component_val->data;
+
+ schema_class = dsdb_class_by_cn(schema, class_name);
+ if (schema_class == NULL) {
+ return LDB_SUCCESS;
+ }
+
+ possibleInferiors = schema_class->possibleInferiors;
+ if (possibleInferiors == NULL) {
+ return LDB_SUCCESS;
+ }
+
+ for (i=0;possibleInferiors[i];i++) {
+ ret = ldb_msg_add_string(msg, "possibleInferiors", possibleInferiors[i]);
+ 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 ldb_context *ldb;
+ 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(ldb_module_get_private(ac->module), struct schema_fsmo_private_data);
+ ldb = ldb_module_get_ctx(ac->module);
+
+ 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) {
+ for (i=0; i < ARRAY_SIZE(generated_attrs); i++) {
+ if (generated_attrs[i].aggregate &&
+ ldb_attr_in_list(ac->req->op.search.attrs, generated_attrs[i].attr)) {
+ ret = generated_attrs[i].fn(ldb, ares->message, ac->schema);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+ } else {
+ for (i=0; i < ARRAY_SIZE(generated_attrs); i++) {
+ if (!generated_attrs[i].aggregate &&
+ ldb_attr_in_list(ac->req->op.search.attrs, generated_attrs[i].attr)) {
+ ret = generated_attrs[i].fn(ldb, ares->message, ac->schema);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ }
+ }
+
+
+ return ldb_module_send_entry(ac->req, ares->message, ares->controls);
+
+ 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)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+ int i, ret;
+ struct schema_fsmo_search_data *search_context;
+ struct ldb_request *down_req;
+ struct dsdb_schema *schema = dsdb_get_schema(ldb);
+
+ if (!schema || !ldb_module_get_private(module)) {
+ /* 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(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, 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
};
git.samba.org / samba.git / blobdiff