/*
* Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
#include <IOKit/IOKitKeysPrivate.h>
#include <IOKit/IOUserClient.h>
#include <IOKit/IOService.h>
-#include <IOKit/IOService.h>
#include <IOKit/IORegistryEntry.h>
#include <IOKit/IOCatalogue.h>
#include <IOKit/IOMemoryDescriptor.h>
return (kr);
}
+bool IOUserClient::init()
+{
+ if( getPropertyTable())
+ return true;
+ else
+ return super::init();
+}
+
+bool IOUserClient::init(OSDictionary * dictionary)
+{
+ if( getPropertyTable())
+ return true;
+ else
+ return super::init(dictionary);
+}
+
bool IOUserClient::initWithTask(task_t owningTask,
void * securityID,
UInt32 type )
return( ret );
}
+
/* Routine io_registry_entry_get_property */
kern_return_t is_io_registry_entry_get_property(
io_object_t registry_entry,
CHECK( IOService, _service, service );
err = service->newUserClient( owningTask, (void *) owningTask,
- connect_type, &client );
+ connect_type, 0, &client );
if( err == kIOReturnSuccess) {
assert( OSDynamicCast(IOUserClient, client) );
return( err);
}
+/* Routine io_service_open_ndr */
+kern_return_t is_io_service_open_extended(
+ io_object_t _service,
+ task_t owningTask,
+ int connect_type,
+ NDR_record_t ndr,
+ io_buf_ptr_t properties,
+ mach_msg_type_number_t propertiesCnt,
+ natural_t * result,
+ io_object_t *connection )
+{
+ IOUserClient * client = 0;
+ kern_return_t err = KERN_SUCCESS;
+ IOReturn res = kIOReturnSuccess;
+ OSDictionary * propertiesDict = 0;
+ bool crossEndian;
+ bool disallowAccess;
+
+ CHECK( IOService, _service, service );
+
+ do
+ {
+ if (properties)
+ {
+ OSObject * obj;
+ vm_offset_t data;
+ vm_map_offset_t map_data;
+
+ err = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) properties );
+ res = err;
+ data = CAST_DOWN(vm_offset_t, map_data);
+ if (KERN_SUCCESS == err)
+ {
+ // must return success after vm_map_copyout() succeeds
+ obj = OSUnserializeXML( (const char *) data );
+ vm_deallocate( kernel_map, data, propertiesCnt );
+ propertiesDict = OSDynamicCast(OSDictionary, obj);
+ if (!propertiesDict)
+ {
+ res = kIOReturnBadArgument;
+ if (obj)
+ obj->release();
+ }
+ }
+ if (kIOReturnSuccess != res)
+ break;
+ }
+
+ crossEndian = (ndr.int_rep != NDR_record.int_rep);
+ if (crossEndian)
+ {
+ if (!propertiesDict)
+ propertiesDict = OSDictionary::withCapacity(4);
+ OSData * data = OSData::withBytes(&ndr, sizeof(ndr));
+ if (data)
+ {
+ if (propertiesDict)
+ propertiesDict->setObject(kIOUserClientCrossEndianKey, data);
+ data->release();
+ }
+ }
+
+ res = service->newUserClient( owningTask, (void *) owningTask,
+ connect_type, propertiesDict, &client );
+
+ if (propertiesDict)
+ propertiesDict->release();
+
+ if (res == kIOReturnSuccess)
+ {
+ assert( OSDynamicCast(IOUserClient, client) );
+
+ disallowAccess = (crossEndian
+ && (kOSBooleanTrue != service->getProperty(kIOUserClientCrossEndianCompatibleKey))
+ && (kOSBooleanTrue != client->getProperty(kIOUserClientCrossEndianCompatibleKey)));
+
+ if (disallowAccess)
+ {
+ client->clientClose();
+ client->release();
+ client = 0;
+ res = kIOReturnUnsupported;
+ break;
+ }
+ client->sharedInstance = (0 != client->getProperty(kIOUserClientSharedInstanceKey));
+ }
+ }
+ while (false);
+
+ *connection = client;
+ *result = res;
+
+ return (err);
+}
+
/* Routine io_service_close */
kern_return_t is_io_service_close(
io_object_t connection )
if( mapSize)
*mapSize = map->getLength();
- if( task != current_task()) {
+ if( client->sharedInstance
+ || (task != current_task())) {
// push a name out to the task owning the map,
// so we can clean up maps
#if IOASSERT
projects / apple / xnu.git / blobdiff