*
* Component: objectClass sorting module
*
- * Description: sort the objectClass attribute into the class hierarchy
+ * Description:
+ * - sort the objectClass attribute into the class
+ * hierarchy,
+ * - fix DNs and attributes into 'standard' case
+ * - Add objectCategory and ntSecurityDescriptor defaults
*
* Author: Andrew Bartlett
*/
#include "librpc/gen_ndr/ndr_security.h"
#include "libcli/security/security.h"
#include "auth/auth.h"
+#include "param/param.h"
struct oc_context {
- enum oc_step {OC_DO_REQ, OC_SEARCH_SELF, OC_DO_MOD} step;
+ enum oc_step {OC_DO_REQ, OC_SEARCH_SELF, OC_DO_MOD,
+ OC_SEARCH_ADD_PARENT, OC_DO_ADD,
+ OC_SEARCH_RENAME_PARENT, OC_DO_RENAME} step;
struct ldb_module *module;
struct ldb_request *orig_req;
struct ldb_request *search_req;
struct ldb_reply *search_res;
+ struct ldb_request *add_req;
struct ldb_request *mod_req;
+ struct ldb_request *rename_req;
};
struct class_list {
struct class_list *prev, *next;
- const char *objectclass;
+ const struct dsdb_class *objectclass;
};
+static int objectclass_do_add(struct ldb_handle *h);
+
static struct ldb_handle *oc_init_handle(struct ldb_request *req, struct ldb_module *module)
{
struct oc_context *ac;
return h;
}
+/* Sort objectClasses into correct order, and validate that all
+ * objectClasses specified actually exist in the schema
+ */
+
static int objectclass_sort(struct ldb_module *module,
+ const struct dsdb_schema *schema,
+ struct ldb_message *msg, /* so that when we create new elements, we put it on the right parent */
TALLOC_CTX *mem_ctx,
struct ldb_message_element *objectclass_element,
struct class_list **sorted_out)
{
int i;
int layer;
- const struct dsdb_schema *schema = dsdb_get_schema(module->ldb);
struct class_list *sorted = NULL, *parent_class = NULL,
- *subclass = NULL, *unsorted = NULL, *current, *poss_subclass;
+ *subclass = NULL, *unsorted = NULL, *current, *poss_subclass, *poss_parent, *new_parent;
/* DESIGN:
*
* We work on 4 different 'bins' (implemented here as linked lists):
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
- current->objectclass = (const char *)objectclass_element->values[i].data;
+ current->objectclass = dsdb_class_by_lDAPDisplayName(schema, (const char *)objectclass_element->values[i].data);
+ if (!current->objectclass) {
+ ldb_asprintf_errstring(module->ldb, "objectclass %s is not a valid objectClass in schema", (const char *)objectclass_element->values[i].data);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
+ }
/* this is the root of the tree. We will start
* looking for subclasses from here */
- if (ldb_attr_cmp("top", current->objectclass) == 0) {
+ if (ldb_attr_cmp("top", current->objectclass->lDAPDisplayName) == 0) {
DLIST_ADD_END(parent_class, current, struct class_list *);
} else {
DLIST_ADD_END(unsorted, current, struct class_list *);
}
}
+ if (parent_class == NULL) {
+ current = talloc(mem_ctx, struct class_list);
+ current->objectclass = dsdb_class_by_lDAPDisplayName(schema, "top");
+ DLIST_ADD_END(parent_class, current, struct class_list *);
+ }
+
+ /* For each object: find parent chain */
+ for (current = unsorted; schema && current; current = current->next) {
+ for (poss_parent = unsorted; poss_parent; poss_parent = poss_parent->next) {
+ if (ldb_attr_cmp(poss_parent->objectclass->lDAPDisplayName, current->objectclass->subClassOf) == 0) {
+ break;
+ }
+ }
+ /* If we didn't get to the end of the list, we need to add this parent */
+ if (poss_parent || (ldb_attr_cmp("top", current->objectclass->subClassOf) == 0)) {
+ continue;
+ }
+
+ new_parent = talloc(mem_ctx, struct class_list);
+ new_parent->objectclass = dsdb_class_by_lDAPDisplayName(schema, current->objectclass->subClassOf);
+ DLIST_ADD_END(unsorted, new_parent, struct class_list *);
+ }
+
/* DEBUGGING aid: how many layers are we down now? */
layer = 0;
do {
for (current = parent_class; schema && unsorted && current; current = current->next) {
/* Walk the list of possible subclasses in unsorted */
for (poss_subclass = unsorted; poss_subclass; ) {
- const struct dsdb_class *class = dsdb_class_by_lDAPDisplayName(schema, poss_subclass->objectclass);
struct class_list *next;
/* Save the next pointer, as the DLIST_ macros will change poss_subclass->next */
next = poss_subclass->next;
- if (class && ldb_attr_cmp(class->subClassOf, current->objectclass) == 0) {
+ if (ldb_attr_cmp(poss_subclass->objectclass->subClassOf, current->objectclass->lDAPDisplayName) == 0) {
DLIST_REMOVE(unsorted, poss_subclass);
DLIST_ADD(subclass, poss_subclass);
* the bottom here */
} while (parent_class);
- /* This shouldn't happen, and would break MMC, but we can't
- * afford to loose objectClasses. Perhaps there was no 'top',
- * or some other schema error?
- *
- * Detecting schema errors is the job of the schema module, so
- * at this layer we just try not to loose data
- */
- DLIST_CONCATENATE(sorted, unsorted, struct class_list *);
+ if (!unsorted) {
+ *sorted_out = sorted;
+ return LDB_SUCCESS;
+ }
- *sorted_out = sorted;
- return LDB_SUCCESS;
+ if (!schema) {
+ /* If we don't have schema yet, then just merge the lists again */
+ DLIST_CONCATENATE(sorted, unsorted, struct class_list *);
+ *sorted_out = sorted;
+ return LDB_SUCCESS;
+ }
+
+ /* This shouldn't happen, and would break MMC, perhaps there
+ * was no 'top', a conflict in the objectClasses or some other
+ * schema error?
+ */
+ ldb_asprintf_errstring(module->ldb, "objectclass %s is not a valid objectClass in objectClass chain", unsorted->objectclass->lDAPDisplayName);
+ return LDB_ERR_OBJECT_CLASS_VIOLATION;
}
static DATA_BLOB *get_sd(struct ldb_module *module, TALLOC_CTX *mem_ctx,
const struct dsdb_class *objectclass)
{
- NTSTATUS status;
+ enum ndr_err_code ndr_err;
DATA_BLOB *linear_sd;
struct auth_session_info *session_info
= ldb_get_opaque(module->ldb, "sessionInfo");
return NULL;
}
- status = ndr_push_struct_blob(linear_sd, mem_ctx, sd,
- (ndr_push_flags_fn_t)ndr_push_security_descriptor);
-
- if (!NT_STATUS_IS_OK(status)) {
+ ndr_err = ndr_push_struct_blob(linear_sd, mem_ctx,
+ lp_iconv_convenience(ldb_get_opaque(module->ldb, "loadparm")),
+ sd,
+ (ndr_push_flags_fn_t)ndr_push_security_descriptor);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return NULL;
}
}
+static int get_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+{
+ struct oc_context *ac;
+
+ ac = talloc_get_type(context, struct oc_context);
+
+ /* we are interested only in the single reply (base search) we receive here */
+ if (ares->type == LDB_REPLY_ENTRY) {
+ if (ac->search_res != NULL) {
+ ldb_set_errstring(ldb, "Too many results");
+ talloc_free(ares);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ac->search_res = talloc_move(ac, &ares);
+ } else {
+ talloc_free(ares);
+ }
+
+ return LDB_SUCCESS;
+}
+
+/* Fix up the DN to be in the standard form, taking particular care to match the parent DN
+
+ This should mean that if the parent is:
+ CN=Users,DC=samba,DC=example,DC=com
+ and a proposed child is
+ cn=Admins ,cn=USERS,dc=Samba,dc=example,dc=COM
+
+ The resulting DN should be:
+
+ CN=Admins,CN=Users,DC=samba,DC=example,DC=com
+
+ */
+static int fix_dn(TALLOC_CTX *mem_ctx,
+ struct ldb_dn *newdn, struct ldb_dn *parent_dn,
+ struct ldb_dn **fixed_dn)
+{
+ char *upper_rdn_attr;
+ /* Fix up the DN to be in the standard form, taking particular care to match the parent DN */
+ *fixed_dn = ldb_dn_copy(mem_ctx, parent_dn);
+
+ /* We need the attribute name in upper case */
+ upper_rdn_attr = strupper_talloc(*fixed_dn,
+ ldb_dn_get_rdn_name(newdn));
+ if (!upper_rdn_attr) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Create a new child */
+ if (ldb_dn_add_child_fmt(*fixed_dn, "X=X") == false) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* And replace it with CN=foo (we need the attribute in upper case */
+ return ldb_dn_set_component(*fixed_dn, 0, upper_rdn_attr,
+ *ldb_dn_get_rdn_val(newdn));
+}
+
+/* Fix all attribute names to be in the correct case, and check they are all valid per the schema */
+static int fix_attributes(struct ldb_context *ldb, const struct dsdb_schema *schema, struct ldb_message *msg)
+{
+ int i;
+ for (i=0; i < msg->num_elements; i++) {
+ const struct dsdb_attribute *attribute = dsdb_attribute_by_lDAPDisplayName(schema, msg->elements[i].name);
+ if (!attribute) {
+ ldb_asprintf_errstring(ldb, "attribute %s is not a valid attribute in schema", msg->elements[i].name);
+ return LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE;
+ }
+ msg->elements[i].name = attribute->lDAPDisplayName;
+ }
+
+ return LDB_SUCCESS;
+}
+
static int objectclass_add(struct ldb_module *module, struct ldb_request *req)
{
- struct ldb_message_element *objectclass_element;
- const struct dsdb_schema *schema = dsdb_get_schema(module->ldb);
- struct class_list *sorted, *current;
- struct ldb_request *down_req;
- struct ldb_message *msg;
- int ret;
- TALLOC_CTX *mem_ctx;
+ static const char * const attrs[] = { NULL };
+
+ struct ldb_handle *h;
+ struct oc_context *ac;
+ struct ldb_dn *parent_dn;
+ int ret;
+
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "objectclass_add\n");
- if (ldb_dn_is_special(req->op.add.message->dn)) { /* do not manipulate our control entries */
+ /* do not manipulate our control entries */
+ if (ldb_dn_is_special(req->op.add.message->dn)) {
return ldb_next_request(module, req);
}
-
- objectclass_element = ldb_msg_find_element(req->op.add.message, "objectClass");
- /* If no part of this add has an objectClass, then we don't
- * need to make any changes. cn=rootdse doesn't have an objectClass */
- if (!objectclass_element) {
+ /* Need to object to this, but cn=rootdse doesn't hae an objectClass... */
+ if (ldb_msg_find_element(req->op.add.message,
+ "objectClass") == NULL) {
return ldb_next_request(module, req);
}
- mem_ctx = talloc_new(req);
- if (mem_ctx == NULL) {
+ h = oc_init_handle(req, module);
+ if (!h) {
return LDB_ERR_OPERATIONS_ERROR;
}
+ ac = talloc_get_type(h->private_data, struct oc_context);
+
+ /* return or own handle to deal with this call */
+ req->handle = h;
- ret = objectclass_sort(module, mem_ctx, objectclass_element, &sorted);
- if (ret != LDB_SUCCESS) {
- return ret;
+ /* If there isn't a parent, just go on to the add processing */
+ if (ldb_dn_get_comp_num(ac->orig_req->op.add.message->dn) == 1) {
+ return objectclass_do_add(h);
}
- /* prepare the first operation */
- down_req = talloc(req, struct ldb_request);
- if (down_req == NULL) {
- ldb_set_errstring(module->ldb, "Out of memory!");
- talloc_free(mem_ctx);
+ parent_dn = ldb_dn_get_parent(ac, ac->orig_req->op.add.message->dn);
+ if (parent_dn == NULL) {
+ ldb_oom(module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
- *down_req = *req; /* copy the request */
+ ret = ldb_build_search_req(&ac->search_req, module->ldb,
+ ac, parent_dn, LDB_SCOPE_BASE,
+ "(objectClass=*)",
+ attrs, NULL,
+ ac, get_search_callback);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ talloc_steal(ac->search_req, parent_dn);
+
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->search_req);
+
+ ac->step = OC_SEARCH_ADD_PARENT;
+
+ return ldb_next_request(ac->module, ac->search_req);
+}
+
+static int objectclass_do_add(struct ldb_handle *h)
+{
+ const struct dsdb_schema *schema;
+ struct oc_context *ac;
+ struct ldb_message_element *objectclass_element;
+ struct ldb_message *msg;
+ TALLOC_CTX *mem_ctx;
+ struct class_list *sorted, *current;
+ int ret;
+
+ ac = talloc_get_type(h->private_data, struct oc_context);
+ schema = dsdb_get_schema(ac->module->ldb);
- down_req->op.add.message = msg = ldb_msg_copy_shallow(down_req, req->op.add.message);
+ mem_ctx = talloc_new(ac);
+ if (mem_ctx == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
- if (down_req->op.add.message == NULL) {
+ ac->add_req = talloc(ac, struct ldb_request);
+ if (ac->add_req == NULL) {
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
- ldb_msg_remove_attr(msg, "objectClass");
- ret = ldb_msg_add_empty(msg, "objectClass", 0, NULL);
+ *ac->add_req = *ac->orig_req;
+
+ ac->add_req->op.add.message = msg = ldb_msg_copy_shallow(ac->add_req, ac->orig_req->op.add.message);
+
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->add_req);
- if (ret != LDB_SUCCESS) {
- talloc_free(mem_ctx);
- return ret;
+ /* Check we have a valid parent */
+ if (ac->search_res == NULL) {
+ if (ldb_dn_compare(ldb_get_root_basedn(ac->module->ldb), ac->orig_req->op.add.message->dn) == 0) {
+ /* Allow the tree to be started */
+
+ /* but don't keep any error string, it's meaningless */
+ ldb_set_errstring(ac->module->ldb, NULL);
+ } else {
+ ldb_asprintf_errstring(ac->module->ldb, "objectclass: Cannot add %s, parent does not exist!",
+ ldb_dn_get_linearized(ac->orig_req->op.add.message->dn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ } else {
+
+ /* Fix up the DN to be in the standard form, taking particular care to match the parent DN */
+ ret = fix_dn(msg,
+ ac->orig_req->op.add.message->dn,
+ ac->search_res->message->dn,
+ &msg->dn);
+
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ac->module->ldb, "Could not munge DN %s into normal form",
+ ldb_dn_get_linearized(ac->orig_req->op.add.message->dn));
+ return ret;
+ }
+
+ /* TODO: Check this is a valid child to this parent,
+ * by reading the allowedChildClasses and
+ * allowedChildClasssesEffective attributes */
+
}
- /* We must completely replace the existing objectClass entry,
- * because we need it sorted */
+ if (schema) {
+ ret = fix_attributes(ac->module->ldb, schema, msg);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
- /* Move from the linked list back into an ldb msg */
- for (current = sorted; current; current = current->next) {
- ret = ldb_msg_add_string(msg, "objectClass", current->objectclass);
+ /* This is now the objectClass list from the database */
+ objectclass_element = ldb_msg_find_element(msg, "objectClass");
+
+ if (!objectclass_element) {
+ /* Where did it go? bail now... */
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = objectclass_sort(ac->module, schema, msg, mem_ctx, objectclass_element, &sorted);
if (ret != LDB_SUCCESS) {
- ldb_set_errstring(module->ldb,
- "objectclass: could not re-add sorted "
- "objectclass to modify msg");
talloc_free(mem_ctx);
return ret;
}
- /* Last one is the critical one */
- if (schema && !current->next) {
- const struct dsdb_class *objectclass
- = dsdb_class_by_lDAPDisplayName(schema,
- current->objectclass);
- if (objectclass) {
+
+ ldb_msg_remove_attr(msg, "objectClass");
+ ret = ldb_msg_add_empty(msg, "objectClass", 0, NULL);
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
+
+ /* We must completely replace the existing objectClass entry,
+ * because we need it sorted */
+
+ /* Move from the linked list back into an ldb msg */
+ for (current = sorted; current; current = current->next) {
+ ret = ldb_msg_add_string(msg, "objectClass", current->objectclass->lDAPDisplayName);
+ if (ret != LDB_SUCCESS) {
+ ldb_set_errstring(ac->module->ldb,
+ "objectclass: could not re-add sorted "
+ "objectclass to modify msg");
+ talloc_free(mem_ctx);
+ return ret;
+ }
+ /* Last one is the critical one */
+ if (!current->next) {
if (!ldb_msg_find_element(msg, "objectCategory")) {
ldb_msg_add_string(msg, "objectCategory",
- objectclass->defaultObjectCategory);
+ current->objectclass->defaultObjectCategory);
+ }
+ if (!ldb_msg_find_element(msg, "showInAdvancedViewOnly")) {
+ ldb_msg_add_string(msg, "showInAdvancedViewOnly",
+ current->objectclass->defaultHidingValue ? "TRUE" : "FALSE");
}
if (!ldb_msg_find_element(msg, "nTSecurityDescriptor")) {
- DATA_BLOB *sd = get_sd(module, mem_ctx, objectclass);
+ DATA_BLOB *sd = get_sd(ac->module, mem_ctx, current->objectclass);
ldb_msg_add_steal_value(msg, "nTSecurityDescriptor", sd);
}
}
}
talloc_free(mem_ctx);
- ret = ldb_msg_sanity_check(module->ldb, msg);
+ ret = ldb_msg_sanity_check(ac->module->ldb, msg);
+
if (ret != LDB_SUCCESS) {
return ret;
}
- /* go on with the call chain */
- ret = ldb_next_request(module, down_req);
+ h->state = LDB_ASYNC_INIT;
+ h->status = LDB_SUCCESS;
+
+ ac->step = OC_DO_ADD;
- /* 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;
+ /* perform the add */
+ return ldb_next_request(ac->module, ac->add_req);
}
static int objectclass_modify(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_message_element *objectclass_element;
struct ldb_message *msg;
+ const struct dsdb_schema *schema = dsdb_get_schema(module->ldb);
+ int ret;
+
ldb_debug(module->ldb, LDB_DEBUG_TRACE, "objectclass_modify\n");
- if (ldb_dn_is_special(req->op.mod.message->dn)) { /* do not manipulate our control entries */
+ /* do not manipulate our control entries */
+ if (ldb_dn_is_special(req->op.mod.message->dn)) {
return ldb_next_request(module, req);
}
+ /* Without schema, there isn't much to do here */
+ if (!schema) {
+ return ldb_next_request(module, req);
+ }
objectclass_element = ldb_msg_find_element(req->op.mod.message, "objectClass");
/* If no part of this touches the objectClass, then we don't
* need to make any changes. */
- /* If the only operation is the deletion of the objectClass then go on */
+
+ /* If the only operation is the deletion of the objectClass
+ * then go on with just fixing the attribute case */
if (!objectclass_element) {
- return ldb_next_request(module, req);
+ struct ldb_request *down_req = talloc(req, struct ldb_request);
+ if (down_req == NULL) {
+ ldb_set_errstring(module->ldb, "Out of memory!");
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *down_req = *req; /* copy the request */
+
+ down_req->op.mod.message = msg = ldb_msg_copy_shallow(down_req, req->op.mod.message);
+
+ if (down_req->op.mod.message == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = fix_attributes(module->ldb, schema, msg);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* go on with the call chain */
+ 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;
}
switch (objectclass_element->flags & LDB_FLAG_MOD_MASK) {
case LDB_FLAG_MOD_DELETE:
- /* Delete everything? Probably totally illigal, but hey! */
if (objectclass_element->num_values == 0) {
- return ldb_next_request(module, req);
+ return LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED;
}
break;
case LDB_FLAG_MOD_REPLACE:
struct ldb_request *down_req;
struct class_list *sorted, *current;
TALLOC_CTX *mem_ctx;
- int ret;
mem_ctx = talloc_new(req);
if (mem_ctx == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
down_req->op.mod.message = msg = ldb_msg_copy_shallow(down_req, req->op.mod.message);
- if (down_req->op.add.message == NULL) {
+ if (down_req->op.mod.message == NULL) {
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = objectclass_sort(module, mem_ctx, objectclass_element, &sorted);
+ ret = fix_attributes(module->ldb, schema, msg);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(mem_ctx);
+ return ret;
+ }
+
+ ret = objectclass_sort(module, schema, msg, mem_ctx, objectclass_element, &sorted);
if (ret != LDB_SUCCESS) {
return ret;
}
/* Move from the linked list back into an ldb msg */
for (current = sorted; current; current = current->next) {
- ret = ldb_msg_add_string(msg, "objectClass", current->objectclass);
+ ret = ldb_msg_add_string(msg, "objectClass", current->objectclass->lDAPDisplayName);
if (ret != LDB_SUCCESS) {
ldb_set_errstring(module->ldb, "objectclass: could not re-add sorted objectclass to modify msg");
talloc_free(mem_ctx);
}
}
+ /* This isn't the default branch of the switch, but a 'in any
+ * other case'. When a delete isn't for all objectClasses for
+ * example
+ */
{
struct ldb_handle *h;
struct oc_context *ac;
/* prepare the first operation */
ac->down_req = talloc(ac, struct ldb_request);
if (ac->down_req == NULL) {
- ldb_set_errstring(module->ldb, "Out of memory!");
+ ldb_oom(ac->module->ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
*(ac->down_req) = *req; /* copy the request */
+ ac->down_req->op.mod.message = msg = ldb_msg_copy_shallow(ac->down_req, req->op.mod.message);
+
+ if (ac->down_req->op.mod.message == NULL) {
+ ldb_oom(ac->module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = fix_attributes(ac->module->ldb, schema, msg);
+ if (ret != LDB_SUCCESS) {
+ ldb_oom(ac->module->ldb);
+ return ret;
+ }
+
ac->down_req->context = NULL;
ac->down_req->callback = NULL;
ldb_set_timeout_from_prev_req(module->ldb, req, ac->down_req);
}
}
-static int get_self_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
+static int objectclass_search_self(struct ldb_handle *h)
{
- struct oc_context *ac;
-
- if (!context || !ares) {
- ldb_set_errstring(ldb, "NULL Context or Result in callback");
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac = talloc_get_type(context, struct oc_context);
-
- /* we are interested only in the single reply (base search) we receive here */
- if (ares->type == LDB_REPLY_ENTRY) {
- if (ac->search_res != NULL) {
- ldb_set_errstring(ldb, "Too many results");
- talloc_free(ares);
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ac->search_res = talloc_move(ac, &ares);
- } else {
- talloc_free(ares);
- }
-
- return LDB_SUCCESS;
-}
-
-static int objectclass_search_self(struct ldb_handle *h) {
-
+ int ret;
struct oc_context *ac;
static const char * const attrs[] = { "objectClass", NULL };
ac = talloc_get_type(h->private_data, struct oc_context);
- /* prepare the search operation */
- ac->search_req = talloc_zero(ac, struct ldb_request);
- if (ac->search_req == NULL) {
- ldb_debug(ac->module->ldb, LDB_DEBUG_ERROR, "Out of Memory!\n");
- return LDB_ERR_OPERATIONS_ERROR;
- }
+ ret = ldb_build_search_req(&ac->search_req, ac->module->ldb,
+ ac, ac->orig_req->op.mod.message->dn, LDB_SCOPE_BASE,
+ "(objectClass=*)",
+ attrs, NULL,
+ ac, get_search_callback);
- ac->search_req->operation = LDB_SEARCH;
- ac->search_req->op.search.base = ac->orig_req->op.mod.message->dn;
- ac->search_req->op.search.scope = LDB_SCOPE_BASE;
- ac->search_req->op.search.tree = ldb_parse_tree(ac->search_req, NULL);
- if (ac->search_req->op.search.tree == NULL) {
- ldb_set_errstring(ac->module->ldb, "objectclass: Internal error producing null search");
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ret != LDB_SUCCESS) {
+ return ret;
}
- ac->search_req->op.search.attrs = attrs;
- ac->search_req->controls = NULL;
- ac->search_req->context = ac;
- ac->search_req->callback = get_self_callback;
+
ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->search_req);
ac->step = OC_SEARCH_SELF;
static int objectclass_do_mod(struct ldb_handle *h) {
+ const struct dsdb_schema *schema;
struct oc_context *ac;
struct ldb_message_element *objectclass_element;
struct ldb_message *msg;
int ret;
ac = talloc_get_type(h->private_data, struct oc_context);
+ schema = dsdb_get_schema(ac->module->ldb);
mem_ctx = talloc_new(ac);
if (mem_ctx == NULL) {
objectclass_element = ldb_msg_find_element(ac->search_res->message,
"objectClass");
if (!objectclass_element) {
- /* Where did it go? Move along now, nothing to see here */
+ /* Where did it go? bail now... */
talloc_free(mem_ctx);
- return LDB_SUCCESS;
+ return LDB_ERR_OPERATIONS_ERROR;
}
/* modify dn */
msg->dn = ac->orig_req->op.mod.message->dn;
- ret = objectclass_sort(ac->module, mem_ctx, objectclass_element, &sorted);
+ ret = objectclass_sort(ac->module, schema, msg, mem_ctx, objectclass_element, &sorted);
if (ret != LDB_SUCCESS) {
return ret;
}
/* Move from the linked list back into an ldb msg */
for (current = sorted; current; current = current->next) {
- ret = ldb_msg_add_string(msg, "objectClass", current->objectclass);
+ ret = ldb_msg_add_string(msg, "objectClass", current->objectclass->lDAPDisplayName);
if (ret != LDB_SUCCESS) {
ldb_set_errstring(ac->module->ldb, "objectclass: could not re-add sorted objectclass to modify msg");
talloc_free(mem_ctx);
return ldb_next_request(ac->module, ac->mod_req);
}
+static int objectclass_rename(struct ldb_module *module, struct ldb_request *req)
+{
+
+ static const char * const attrs[] = { NULL };
+
+ struct ldb_handle *h;
+ struct oc_context *ac;
+ struct ldb_dn *parent_dn;
+ int ret;
+
+ ldb_debug(module->ldb, LDB_DEBUG_TRACE, "objectclass_rename\n");
+
+ if (ldb_dn_is_special(req->op.rename.newdn)) { /* do not manipulate our control entries */
+ return ldb_next_request(module, req);
+ }
+
+ /* Firstly ensure we are not trying to rename it to be a child of itself */
+ if ((ldb_dn_compare_base(req->op.rename.olddn, req->op.rename.newdn) == 0)
+ && (ldb_dn_compare(req->op.rename.olddn, req->op.rename.newdn) != 0)) {
+ ldb_asprintf_errstring(module->ldb, "Cannot rename %s to be a child of itself",
+ ldb_dn_get_linearized(req->op.rename.olddn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ h = oc_init_handle(req, module);
+ if (!h) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ac = talloc_get_type(h->private_data, struct oc_context);
+
+ /* return or own handle to deal with this call */
+ req->handle = h;
+
+ parent_dn = ldb_dn_get_parent(ac, ac->orig_req->op.rename.newdn);
+ if (parent_dn == NULL) {
+ ldb_oom(module->ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ ret = ldb_build_search_req(&ac->search_req, module->ldb,
+ ac, parent_dn, LDB_SCOPE_BASE,
+ "(objectClass=*)",
+ attrs, NULL,
+ ac, get_search_callback);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ talloc_steal(ac->search_req, parent_dn);
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->search_req);
+
+ ac->step = OC_SEARCH_RENAME_PARENT;
+
+ return ldb_next_request(ac->module, ac->search_req);
+}
+
+static int objectclass_do_rename(struct ldb_handle *h)
+{
+ struct oc_context *ac;
+ int ret;
+
+ ac = talloc_get_type(h->private_data, struct oc_context);
+
+ ac->rename_req = talloc(ac, struct ldb_request);
+ if (ac->rename_req == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ *ac->rename_req = *ac->orig_req;
+
+ ldb_set_timeout_from_prev_req(ac->module->ldb, ac->orig_req, ac->rename_req);
+
+ /* Check we have a valid parent */
+ if (ac->search_res == NULL) {
+ ldb_asprintf_errstring(ac->module->ldb, "objectclass: Cannot rename %s, parent does not exist!",
+ ldb_dn_get_linearized(ac->orig_req->op.rename.newdn));
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ /* Fix up the DN to be in the standard form, taking particular care to match the parent DN */
+ ret = fix_dn(ac->rename_req,
+ ac->orig_req->op.rename.newdn,
+ ac->search_res->message->dn,
+ &ac->rename_req->op.rename.newdn);
+
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* TODO: Check this is a valid child to this parent,
+ * by reading the allowedChildClasses and
+ * allowedChildClasssesEffective attributes */
+
+ h->state = LDB_ASYNC_INIT;
+ h->status = LDB_SUCCESS;
+
+ ac->step = OC_DO_RENAME;
+
+ /* perform the rename */
+ return ldb_next_request(ac->module, ac->rename_req);
+}
+
static int oc_wait(struct ldb_handle *handle) {
struct oc_context *ac;
int ret;
break;
+ case OC_SEARCH_ADD_PARENT:
+ ret = ldb_wait(ac->search_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS && ret != LDB_ERR_NO_SUCH_OBJECT) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->search_req->handle->status != LDB_SUCCESS
+ && ac->search_req->handle->status != LDB_ERR_NO_SUCH_OBJECT) {
+ handle->status = ac->search_req->handle->status;
+ goto done;
+ }
+
+ if (ac->search_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ /* parent search done, go on */
+ return objectclass_do_add(handle);
+
+ case OC_DO_ADD:
+ ret = ldb_wait(ac->add_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->add_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->add_req->handle->status;
+ goto done;
+ }
+
+ if (ac->add_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ break;
+
+ case OC_SEARCH_RENAME_PARENT:
+ ret = ldb_wait(ac->search_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS && ret != LDB_ERR_NO_SUCH_OBJECT) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->search_req->handle->status != LDB_SUCCESS && ac->search_req->handle->status != LDB_ERR_NO_SUCH_OBJECT) {
+ handle->status = ac->search_req->handle->status;
+ goto done;
+ }
+
+ if (ac->search_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ /* parent search done, go on */
+ return objectclass_do_rename(handle);
+
+ case OC_DO_RENAME:
+ ret = ldb_wait(ac->rename_req->handle, LDB_WAIT_NONE);
+
+ if (ret != LDB_SUCCESS) {
+ handle->status = ret;
+ goto done;
+ }
+ if (ac->rename_req->handle->status != LDB_SUCCESS) {
+ handle->status = ac->rename_req->handle->status;
+ goto done;
+ }
+
+ if (ac->rename_req->handle->state != LDB_ASYNC_DONE) {
+ return LDB_SUCCESS;
+ }
+
+ break;
+
default:
ret = LDB_ERR_OPERATIONS_ERROR;
goto done;
.name = "objectclass",
.add = objectclass_add,
.modify = objectclass_modify,
+ .rename = objectclass_rename,
.wait = objectclass_wait
};
git.samba.org / samba.git / blobdiff