TALLOC_CTX *mem_ctx;
const char **attr_list;
int i, ret;
+ const struct dsdb_class *objectclass;
/* If we don't have a schema yet, we can't do anything... */
if (schema == NULL) {
talloc_free(mem_ctx);
return LDB_ERR_OPERATIONS_ERROR;
}
+
+ /*
+ * Get the top-most structural object class for the ACL check
+ */
+ objectclass = dsdb_get_last_structural_class(ac->schema,
+ oc_el);
+ if (objectclass == NULL) {
+ ldb_asprintf_errstring(ldb, "acl_read: Failed to find a structural class for %s",
+ ldb_dn_get_linearized(sd_msg->dn));
+ talloc_free(mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
if (ac->allowedAttributes) {
for (i=0; attr_list && attr_list[i]; i++) {
ldb_msg_add_string(msg, "allowedAttributes", attr_list[i]);
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
ldb_msg_add_string(msg, "allowedAttributesEffective", attr_list[i]);
}
return LDB_SUCCESS;
}
-static int acl_check_access_on_class(struct ldb_module *module,
- const struct dsdb_schema *schema,
- TALLOC_CTX *mem_ctx,
- struct security_descriptor *sd,
- struct security_token *token,
- struct dom_sid *rp_sid,
- uint32_t access_mask,
- const char *class_name)
-{
- int ret;
- NTSTATUS status;
- uint32_t access_granted;
- struct object_tree *root = NULL;
- struct object_tree *new_node = NULL;
- const struct GUID *guid;
-
- if (class_name != NULL) {
- guid = class_schemaid_guid_by_lDAPDisplayName(schema, class_name);
- if (!guid) {
- DEBUG(10, ("acl_search: cannot find class %s\n",
- class_name));
- goto fail;
- }
- if (!insert_in_object_tree(mem_ctx,
- guid, access_mask,
- &root, &new_node)) {
- DEBUG(10, ("acl_search: cannot add to object tree guid\n"));
- goto fail;
- }
- }
-
- status = sec_access_check_ds(sd, token,
- access_mask,
- &access_granted,
- root,
- rp_sid);
- if (!NT_STATUS_IS_OK(status)) {
- ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
- } else {
- ret = LDB_SUCCESS;
- }
- return ret;
-fail:
- return ldb_operr(ldb_module_get_ctx(module));
-}
-
static int acl_childClassesEffective(struct ldb_module *module,
const struct dsdb_schema *schema,
struct ldb_message *sd_msg,
}
for (j=0; sclass->possibleInferiors && sclass->possibleInferiors[j]; j++) {
- ret = acl_check_access_on_class(module,
- schema,
- msg,
- sd,
- acl_user_token(module),
- sid,
- SEC_ADS_CREATE_CHILD,
- sclass->possibleInferiors[j]);
+ const struct dsdb_class *sc;
+
+ sc = dsdb_class_by_lDAPDisplayName(schema,
+ sclass->possibleInferiors[j]);
+ if (!sc) {
+ /* We don't know this class? what is going on? */
+ continue;
+ }
+
+ ret = acl_check_access_on_objectclass(module, ac,
+ sd, sid,
+ SEC_ADS_CREATE_CHILD,
+ sc);
if (ret == LDB_SUCCESS) {
ldb_msg_add_string(msg, "allowedChildClassesEffective",
sclass->possibleInferiors[j]);
struct ldb_message *msg,
struct acl_context *ac)
{
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
struct ldb_message_element *rightsEffective;
int ret;
struct security_descriptor *sd;
}
if (ac->am_system || as_system) {
flags = SECINFO_OWNER | SECINFO_GROUP | SECINFO_SACL | SECINFO_DACL;
- }
- else {
+ } else {
+ const struct dsdb_class *objectclass;
+ const struct dsdb_attribute *attr;
+
+ objectclass = dsdb_get_structural_oc_from_msg(ac->schema, sd_msg);
+ if (objectclass == NULL) {
+ return ldb_operr(ldb);
+ }
+
+ attr = dsdb_attribute_by_lDAPDisplayName(ac->schema,
+ "nTSecurityDescriptor");
+ if (attr == NULL) {
+ return ldb_operr(ldb);
+ }
+
/* Get the security descriptor from the message */
- ret = dsdb_get_sd_from_ldb_message(ldb_module_get_ctx(module), msg, sd_msg, &sd);
+ ret = dsdb_get_sd_from_ldb_message(ldb, msg, sd_msg, &sd);
if (ret != LDB_SUCCESS) {
return ret;
}
sd,
sid,
SEC_STD_WRITE_OWNER,
- NULL);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_OWNER | SECINFO_GROUP;
}
sd,
sid,
SEC_STD_WRITE_DAC,
- NULL);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_DACL;
}
sd,
sid,
SEC_FLAG_SYSTEM_SECURITY,
- NULL);
+ attr,
+ objectclass);
if (ret == LDB_SUCCESS) {
flags |= SECINFO_SACL;
}
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
- const struct dsdb_attribute *attr)
+ const struct dsdb_attribute *attr,
+ const struct dsdb_class *objectclass)
{
int ret;
unsigned int i;
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr) == LDB_SUCCESS) {
+ attr, objectclass) == LDB_SUCCESS) {
talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
static int acl_add(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
const struct dsdb_schema *schema;
- struct ldb_message_element *oc_el;
- const struct GUID *guid;
+ const struct dsdb_class *objectclass;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+ if (ldb_dn_is_special(req->op.add.message->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.add.message->dn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Creating an NC. There is probably something we should do here,
* but we will establish that later */
return ldb_operr(ldb);
}
- oc_el = ldb_msg_find_element(req->op.add.message, "objectClass");
- if (!oc_el || oc_el->num_values == 0) {
+ objectclass = dsdb_get_structural_oc_from_msg(schema, req->op.add.message);
+ if (!objectclass) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "acl: unable to find objectClass on %s\n",
+ "acl: unable to find or validate structrual objectClass on %s\n",
ldb_dn_get_linearized(req->op.add.message->dn));
return ldb_module_done(req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
}
- guid = class_schemaid_guid_by_lDAPDisplayName(schema,
- (char *)oc_el->values[oc_el->num_values-1].data);
- ret = dsdb_module_check_access_on_dn(module, req, parent, SEC_ADS_CREATE_CHILD, guid, req);
+ ret = dsdb_module_check_access_on_dn(module, req, parent,
+ SEC_ADS_CREATE_CHILD,
+ &objectclass->schemaIDGUID, req);
if (ret != LDB_SUCCESS) {
return ret;
}
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
- const struct dsdb_attribute *attr)
+ const struct dsdb_attribute *attr,
+ const struct dsdb_class *objectclass)
{
int ret;
unsigned int i;
sd,
sid,
SEC_ADS_WRITE_PROP,
- attr) == LDB_SUCCESS) {
+ attr, objectclass) == LDB_SUCCESS) {
return LDB_SUCCESS;
}
/* if we are adding/deleting ourselves, check for self membership */
struct ldb_request *req,
struct security_descriptor *sd,
struct dom_sid *sid,
- const struct GUID *oc_guid,
+ const struct dsdb_class *objectclass,
bool userPassword)
{
int ret = LDB_SUCCESS;
return ret;
}
-static const struct GUID *get_oc_guid_from_message(const struct dsdb_schema *schema,
- struct ldb_message *msg)
-{
- struct ldb_message_element *oc_el;
- const struct dsdb_class *object_class;
-
- oc_el = ldb_msg_find_element(msg, "objectClass");
- if (!oc_el) {
- return NULL;
- }
-
- object_class = dsdb_get_last_structural_class(schema, oc_el);
- if (object_class == NULL) {
- return NULL;
- }
-
- return &object_class->schemaIDGUID;
-}
-
static int acl_modify(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_context *ldb = ldb_module_get_ctx(module);
const struct dsdb_schema *schema;
unsigned int i;
- const struct GUID *guid;
- uint32_t access_granted;
- NTSTATUS status;
+ const struct dsdb_class *objectclass;
struct ldb_result *acl_res;
struct security_descriptor *sd;
struct dom_sid *sid = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
bool userPassword;
- TALLOC_CTX *tmp_ctx = talloc_new(req);
+ TALLOC_CTX *tmp_ctx;
+ const struct ldb_message *msg = req->op.mod.message;
static const char *acl_attrs[] = {
"nTSecurityDescriptor",
"objectClass",
NULL
};
+ if (ldb_dn_is_special(msg->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
/* Don't print this debug statement if elements[0].name is going to be NULL */
- if(req->op.mod.message->num_elements > 0)
- {
- DEBUG(10, ("ldb:acl_modify: %s\n", req->op.mod.message->elements[0].name));
+ if (msg->num_elements > 0) {
+ DEBUG(10, ("ldb:acl_modify: %s\n", msg->elements[0].name));
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.mod.message->dn)) {
- return ldb_next_request(module, req);
+
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
}
- ret = dsdb_module_search_dn(module, tmp_ctx, &acl_res, req->op.mod.message->dn,
+
+ ret = dsdb_module_search_dn(module, tmp_ctx, &acl_res, msg->dn,
acl_attrs,
DSDB_FLAG_NEXT_MODULE |
DSDB_FLAG_AS_SYSTEM |
goto success;
}
- guid = get_oc_guid_from_message(schema, acl_res->msgs[0]);
- if (!guid) {
+ objectclass = dsdb_get_structural_oc_from_msg(schema, acl_res->msgs[0]);
+ if (!objectclass) {
talloc_free(tmp_ctx);
return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
- "acl_modify: Error retrieving object class GUID.");
+ "acl_modify: Error retrieving object class for GUID.");
}
sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
- for (i=0; i < req->op.mod.message->num_elements; i++){
+ for (i=0; i < msg->num_elements; i++) {
+ const struct ldb_message_element *el = &msg->elements[i];
const struct dsdb_attribute *attr;
- attr = dsdb_attribute_by_lDAPDisplayName(schema,
- req->op.mod.message->elements[i].name);
- if (ldb_attr_cmp("nTSecurityDescriptor", req->op.mod.message->elements[i].name) == 0) {
+ /*
+ * This basic attribute existence check with the right errorcode
+ * is needed since this module is the first one which requests
+ * schema attribute information.
+ * The complete attribute checking is done in the
+ * "objectclass_attrs" module behind this one.
+ *
+ * NOTE: "clearTextPassword" is not defined in the schema.
+ */
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, el->name);
+ if (!attr && ldb_attr_cmp("clearTextPassword", el->name) != 0) {
+ ldb_asprintf_errstring(ldb, "acl_modify: attribute '%s' "
+ "on entry '%s' was not found in the schema!",
+ req->op.mod.message->elements[i].name,
+ ldb_dn_get_linearized(req->op.mod.message->dn));
+ ret = LDB_ERR_NO_SUCH_ATTRIBUTE;
+ goto fail;
+ }
+
+ if (ldb_attr_cmp("nTSecurityDescriptor", el->name) == 0) {
uint32_t sd_flags = dsdb_request_sd_flags(req, NULL);
uint32_t access_mask = 0;
access_mask |= SEC_FLAG_SYSTEM_SECURITY;
}
- status = sec_access_check_ds(sd, acl_user_token(module),
- access_mask,
- &access_granted,
- NULL,
- sid);
-
- if (!NT_STATUS_IS_OK(status)) {
+ ret = acl_check_access_on_attribute(module,
+ tmp_ctx,
+ sd,
+ sid,
+ access_mask,
+ attr,
+ objectclass);
+ if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"Object %s has no write dacl access\n",
- ldb_dn_get_linearized(req->op.mod.message->dn));
+ ldb_dn_get_linearized(msg->dn));
dsdb_acl_debug(sd,
acl_user_token(module),
- req->op.mod.message->dn,
+ msg->dn,
true,
10);
ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
goto fail;
}
- }
- else if (ldb_attr_cmp("member", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("member", el->name) == 0) {
ret = acl_check_self_membership(tmp_ctx,
module,
req,
sd,
sid,
- guid,
- attr);
+ attr,
+ objectclass);
if (ret != LDB_SUCCESS) {
goto fail;
}
- }
- else if (ldb_attr_cmp("dBCSPwd", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("dBCSPwd", el->name) == 0) {
/* this one is not affected by any rights, we should let it through
so that passwords_hash returns the correct error */
continue;
- }
- else if (ldb_attr_cmp("unicodePwd", req->op.mod.message->elements[i].name) == 0 ||
- (userPassword && ldb_attr_cmp("userPassword", req->op.mod.message->elements[i].name) == 0) ||
- ldb_attr_cmp("clearTextPassword", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("unicodePwd", el->name) == 0 ||
+ (userPassword && ldb_attr_cmp("userPassword", el->name) == 0) ||
+ ldb_attr_cmp("clearTextPassword", el->name) == 0) {
ret = acl_check_password_rights(tmp_ctx,
module,
req,
sd,
sid,
- guid,
+ objectclass,
userPassword);
if (ret != LDB_SUCCESS) {
goto fail;
}
- } else if (ldb_attr_cmp("servicePrincipalName", req->op.mod.message->elements[i].name) == 0) {
+ } else if (ldb_attr_cmp("servicePrincipalName", el->name) == 0) {
ret = acl_check_spn(tmp_ctx,
module,
req,
sd,
sid,
- guid,
- attr);
+ attr,
+ objectclass);
if (ret != LDB_SUCCESS) {
goto fail;
}
} else {
- struct object_tree *root = NULL;
- struct object_tree *new_node = NULL;
-
- /* This basic attribute existence check with the right errorcode
- * is needed since this module is the first one which requests
- * schema attribute information.
- * The complete attribute checking is done in the
- * "objectclass_attrs" module behind this one.
- */
- if (!attr) {
- ldb_asprintf_errstring(ldb, "acl_modify: attribute '%s' on entry '%s' was not found in the schema!",
- req->op.mod.message->elements[i].name,
- ldb_dn_get_linearized(req->op.mod.message->dn));
- ret = LDB_ERR_NO_SUCH_ATTRIBUTE;
- goto fail;
- }
-
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &root, &new_node)) {
- talloc_free(tmp_ctx);
- return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
- "acl_modify: Error adding new node in object tree.");
- }
-
- if (!insert_in_object_tree(tmp_ctx,
- &attr->attributeSecurityGUID, SEC_ADS_WRITE_PROP,
- &new_node, &new_node)) {
- ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "acl_modify: cannot add to object tree securityGUID\n");
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto fail;
- }
-
- if (!insert_in_object_tree(tmp_ctx,
- &attr->schemaIDGUID, SEC_ADS_WRITE_PROP, &new_node, &new_node)) {
- ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "acl_modify: cannot add to object tree attributeGUID\n");
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto fail;
- }
-
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_ADS_WRITE_PROP,
- &access_granted,
- root,
- sid);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = acl_check_access_on_attribute(module,
+ tmp_ctx,
+ sd,
+ sid,
+ SEC_ADS_WRITE_PROP,
+ attr,
+ objectclass);
+ if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"Object %s has no write property access\n",
- ldb_dn_get_linearized(req->op.mod.message->dn));
+ ldb_dn_get_linearized(msg->dn));
dsdb_acl_debug(sd,
acl_user_token(module),
- req->op.mod.message->dn,
+ msg->dn,
true,
10);
ret = LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
static int acl_delete(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.del.dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+ const struct dsdb_schema *schema;
+ const struct dsdb_class *objectclass;
+ struct security_descriptor *sd = NULL;
+ struct dom_sid *sid = NULL;
+ struct ldb_result *acl_res;
+ static const char *acl_attrs[] = {
+ "nTSecurityDescriptor",
+ "objectClass",
+ "objectSid",
+ NULL
+ };
+
+ if (ldb_dn_is_special(req->op.del.dn)) {
+ return ldb_next_request(module, req);
+ }
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
- DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.del.dn)) {
- return ldb_next_request(module, req);
- }
+
+ DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.del.dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't deleting a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.del.dn, &nc_root);
}
talloc_free(nc_root);
+ ret = dsdb_module_search_dn(module, req, &acl_res,
+ req->op.del.dn, acl_attrs,
+ DSDB_FLAG_NEXT_MODULE |
+ DSDB_FLAG_AS_SYSTEM |
+ DSDB_SEARCH_SHOW_RECYCLED, req);
+ /* we sould be able to find the parent */
+ if (ret != LDB_SUCCESS) {
+ DEBUG(10,("acl: failed to find object %s\n",
+ ldb_dn_get_linearized(req->op.rename.olddn)));
+ return ret;
+ }
+
+ ret = dsdb_get_sd_from_ldb_message(ldb, req, acl_res->msgs[0], &sd);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
+ if (!sd) {
+ return ldb_operr(ldb);
+ }
+
+ schema = dsdb_get_schema(ldb, req);
+ if (!schema) {
+ return ldb_operr(ldb);
+ }
+
+ sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
+
+ objectclass = dsdb_get_structural_oc_from_msg(schema, acl_res->msgs[0]);
+ if (!objectclass) {
+ return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
+ "acl_modify: Error retrieving object class for GUID.");
+ }
+
if (ldb_request_get_control(req, LDB_CONTROL_TREE_DELETE_OID)) {
- ret = dsdb_module_check_access_on_dn(module, req,
- req->op.del.dn,
- SEC_ADS_DELETE_TREE, NULL,
- req);
+ ret = acl_check_access_on_objectclass(module, req, sd, sid,
+ SEC_ADS_DELETE_TREE,
+ objectclass);
if (ret != LDB_SUCCESS) {
return ret;
}
}
/* First check if we have delete object right */
- ret = dsdb_module_check_access_on_dn(module, req, req->op.del.dn,
- SEC_STD_DELETE, NULL, req);
+ ret = acl_check_access_on_objectclass(module, req, sd, sid,
+ SEC_STD_DELETE,
+ objectclass);
if (ret == LDB_SUCCESS) {
return ldb_next_request(module, req);
}
/* Nope, we don't have delete object. Lets check if we have delete
* child on the parent */
ret = dsdb_module_check_access_on_dn(module, req, parent,
- SEC_ADS_DELETE_CHILD, NULL, req);
+ SEC_ADS_DELETE_CHILD,
+ &objectclass->schemaIDGUID,
+ req);
if (ret != LDB_SUCCESS) {
return ret;
}
static int acl_rename(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *oldparent = ldb_dn_get_parent(req, req->op.rename.olddn);
- struct ldb_dn *newparent = ldb_dn_get_parent(req, req->op.rename.newdn);
+ struct ldb_dn *oldparent;
+ struct ldb_dn *newparent;
const struct dsdb_schema *schema;
+ const struct dsdb_class *objectclass;
+ const struct dsdb_attribute *attr = NULL;
struct ldb_context *ldb;
struct security_descriptor *sd = NULL;
struct dom_sid *sid = NULL;
struct ldb_result *acl_res;
- const struct GUID *guid;
struct ldb_dn *nc_root;
- struct object_tree *root = NULL;
- struct object_tree *new_node = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
- TALLOC_CTX *tmp_ctx = talloc_new(req);
- NTSTATUS status;
- uint32_t access_granted;
+ struct ldb_control *as_system;
+ TALLOC_CTX *tmp_ctx;
const char *rdn_name;
static const char *acl_attrs[] = {
"nTSecurityDescriptor",
NULL
};
+ if (ldb_dn_is_special(req->op.rename.olddn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.rename.olddn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
+ }
+
+ oldparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.olddn);
+ if (oldparent == NULL) {
+ return ldb_oom(ldb);
+ }
+ newparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.newdn);
+ if (newparent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't renaming/moving a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.rename.olddn, &nc_root);
return ret;
}
- schema = dsdb_get_schema(ldb, acl_res);
- if (!schema) {
+ ret = dsdb_get_sd_from_ldb_message(ldb, req, acl_res->msgs[0], &sd);
+ if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
-
- guid = get_oc_guid_from_message(schema, acl_res->msgs[0]);
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &root, &new_node)) {
+ if (!sd) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
- };
+ }
- guid = attribute_schemaid_guid_by_lDAPDisplayName(schema,
- "name");
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &new_node, &new_node)) {
+ schema = dsdb_get_schema(ldb, acl_res);
+ if (!schema) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
- };
+ }
- rdn_name = ldb_dn_get_rdn_name(req->op.rename.olddn);
- if (rdn_name == NULL) {
+ sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
+
+ objectclass = dsdb_get_structural_oc_from_msg(schema, acl_res->msgs[0]);
+ if (!objectclass) {
talloc_free(tmp_ctx);
- return ldb_operr(ldb);
+ return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR,
+ "acl_modify: Error retrieving object class for GUID.");
}
- guid = attribute_schemaid_guid_by_lDAPDisplayName(schema,
- rdn_name);
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &new_node, &new_node)) {
+
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, "name");
+ if (attr == NULL) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
- };
-
- ret = dsdb_get_sd_from_ldb_message(ldb, req, acl_res->msgs[0], &sd);
+ }
+ ret = acl_check_access_on_attribute(module, tmp_ctx, sd, sid,
+ SEC_ADS_WRITE_PROP,
+ attr, objectclass);
if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(module),
+ "Object %s has no wp on %s\n",
+ ldb_dn_get_linearized(req->op.rename.olddn),
+ attr->lDAPDisplayName);
+ dsdb_acl_debug(sd,
+ acl_user_token(module),
+ req->op.rename.olddn,
+ true,
+ 10);
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
+ }
+
+ rdn_name = ldb_dn_get_rdn_name(req->op.rename.olddn);
+ if (rdn_name == NULL) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
- /* Theoretically we pass the check if the object has no sd */
- if (!sd) {
+
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, rdn_name);
+ if (attr == NULL) {
talloc_free(tmp_ctx);
- return LDB_SUCCESS;
+ return ldb_operr(ldb);
}
- sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_ADS_WRITE_PROP,
- &access_granted,
- root,
- sid);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = acl_check_access_on_attribute(module, tmp_ctx, sd, sid,
+ SEC_ADS_WRITE_PROP,
+ attr, objectclass);
+ if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "Object %s has no wp on name\n",
- ldb_dn_get_linearized(req->op.rename.olddn));
+ "Object %s has no wp on %s\n",
+ ldb_dn_get_linearized(req->op.rename.olddn),
+ attr->lDAPDisplayName);
dsdb_acl_debug(sd,
acl_user_token(module),
req->op.rename.olddn,
}
/* new parent should have create child */
- root = NULL;
- new_node = NULL;
- guid = get_oc_guid_from_message(schema, acl_res->msgs[0]);
- if (!guid) {
- ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "acl:renamed object has no object class\n");
- talloc_free(tmp_ctx);
- return ldb_module_done(req, NULL, NULL, LDB_ERR_OPERATIONS_ERROR);
- }
-
- ret = dsdb_module_check_access_on_dn(module, req, newparent, SEC_ADS_CREATE_CHILD, guid, req);
+ ret = dsdb_module_check_access_on_dn(module, req, newparent,
+ SEC_ADS_CREATE_CHILD,
+ &objectclass->schemaIDGUID, req);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"acl:access_denied renaming %s",
talloc_free(tmp_ctx);
return ret;
}
- /* do we have delete object on the object? */
-
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_STD_DELETE,
- &access_granted,
- NULL,
- sid);
- if (NT_STATUS_IS_OK(status)) {
+ /* do we have delete object on the object? */
+ ret = acl_check_access_on_objectclass(module, tmp_ctx, sd, sid,
+ SEC_STD_DELETE,
+ objectclass);
+ if (ret == LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ldb_next_request(module, req);
}
/* what about delete child on the current parent */
- ret = dsdb_module_check_access_on_dn(module, req, oldparent, SEC_ADS_DELETE_CHILD, NULL, req);
+ ret = dsdb_module_check_access_on_dn(module, req, oldparent,
+ SEC_ADS_DELETE_CHILD,
+ &objectclass->schemaIDGUID,
+ req);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"acl:access_denied renaming %s", ldb_dn_get_linearized(req->op.rename.olddn));
int ret;
unsigned int i;
+ if (ldb_dn_is_special(req->op.search.base)) {
+ return ldb_next_request(module, req);
+ }
+
ldb = ldb_module_get_ctx(module);
ac = talloc_zero(req, struct acl_context);
git.samba.org / metze / samba / wip.git / blobdiff