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iokit/Kernel/IOUserClient.cpp xnu-792.12.6 xnu-517
--- xnu/xnu-792.12.6/iokit/Kernel/IOUserClient.cpp
+++ xnu/xnu-517/iokit/Kernel/IOUserClient.cpp
@@ -1,31 +1,26 @@
 /*
- * Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_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.
- *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 
+ * 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. 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 
- * 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 
+ * 
+ * The 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.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_LICENSE_HEADER_END@
  */
 
 
@@ -63,8 +58,6 @@
 extern mach_port_name_t iokit_make_send_right( task_t task,
 				io_object_t obj, ipc_kobject_type_t type );
 
-extern kern_return_t iokit_mod_send_right( task_t task, mach_port_name_t name, mach_port_delta_t delta );
-
 extern io_object_t iokit_lookup_connect_ref(io_object_t clientRef, ipc_space_t task);
 
 extern io_object_t iokit_lookup_connect_ref_current_task(io_object_t clientRef);
@@ -76,7 +69,6 @@
 
 extern kern_return_t iokit_switch_object_port( ipc_port_t port, io_object_t obj, ipc_kobject_type_t type );
 
-#include <mach/mach_traps.h>
 #include <vm/vm_map.h>
 
 } /* extern "C" */
@@ -394,7 +386,7 @@
         OSNotificationHeader		notifyHeader;
     };
 
-    enum { kMaxOutstanding = 1024 };
+    enum { kMaxOutstanding = 256 };
 
     PingMsg *		pingMsg;
     vm_size_t		msgSize;
@@ -1026,98 +1018,11 @@
 	io_object_t object,
 	io_name_t className )
 {
-	const OSMetaClass* my_obj = NULL;
-
     if( !object)
         return( kIOReturnBadArgument );
-		
-	my_obj = object->getMetaClass();
-	if (!my_obj) {
-		return (kIOReturnNotFound);
-	}
-	
-    strcpy( className, my_obj->getClassName());
+
+    strcpy( className, object->getMetaClass()->getClassName());
     return( kIOReturnSuccess );
-}
-
-/* Routine io_object_get_superclass */
-kern_return_t is_io_object_get_superclass(
-	mach_port_t master_port,
-	io_name_t obj_name, 
-	io_name_t class_name)
-{
-	const OSMetaClass* my_obj = NULL;
-	const OSMetaClass* superclass = NULL;
-	const OSSymbol *my_name = NULL;
-	const char *my_cstr = NULL;
-
-	if (!obj_name || !class_name) 
-		return (kIOReturnBadArgument);
-
-    if( master_port != master_device_port)
-        return( kIOReturnNotPrivileged);
-
-	my_name = OSSymbol::withCString(obj_name);
-	
-	if (my_name) {
-		my_obj = OSMetaClass::getMetaClassWithName(my_name);
-		my_name->release();
-	}
-	if (my_obj) {
-		superclass = my_obj->getSuperClass();
-	}
-	
-	if (!superclass)  {
-		return( kIOReturnNotFound );
-	}
-
-	my_cstr = superclass->getClassName();
-		
-	if (my_cstr) {
-		strncpy(class_name, my_cstr, sizeof(io_name_t)-1);
-		return( kIOReturnSuccess );
-	}
-	return (kIOReturnNotFound);
-}
-
-/* Routine io_object_get_bundle_identifier */
-kern_return_t is_io_object_get_bundle_identifier(
-	mach_port_t master_port,
-	io_name_t obj_name, 
-	io_name_t bundle_name)
-{
-	const OSMetaClass* my_obj = NULL;
-	const OSSymbol *my_name = NULL;
-	const OSSymbol *identifier = NULL;
-	const char *my_cstr = NULL;
-
-	if (!obj_name || !bundle_name) 
-		return (kIOReturnBadArgument);
-
-    if( master_port != master_device_port)
-        return( kIOReturnNotPrivileged);
-	
-	my_name = OSSymbol::withCString(obj_name);	
-	
-	if (my_name) {
-		my_obj = OSMetaClass::getMetaClassWithName(my_name);
-		my_name->release();
-	}
-
-	if (my_obj) {
-		identifier = my_obj->getKmodName();
-	}
-	if (!identifier) {
-		return( kIOReturnNotFound );
-	}
-	
-	my_cstr = identifier->getCStringNoCopy();
-	if (my_cstr) {
-		strncpy(bundle_name, identifier->getCStringNoCopy(), sizeof(io_name_t)-1);
-		return( kIOReturnSuccess );
-	}
-
-	return (kIOReturnBadArgument);
 }
 
 /* Routine io_object_conforms_to */
@@ -1222,10 +1127,8 @@
 {
     kern_return_t	kr;
     vm_offset_t 	data;
-    vm_map_offset_t	map_data;
-
-    kr = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) matching );
-    data = CAST_DOWN(vm_offset_t, map_data);
+
+    kr = vm_map_copyout( kernel_map, &data, (vm_map_copy_t) matching );
 
     if( KERN_SUCCESS == kr) {
         // must return success after vm_map_copyout() succeeds
@@ -1274,10 +1177,8 @@
 {
     kern_return_t	kr;
     vm_offset_t 	data;
-    vm_map_offset_t	map_data;
-
-    kr = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) matching );
-    data = CAST_DOWN(vm_offset_t, map_data);
+
+    kr = vm_map_copyout( kernel_map, &data, (vm_map_copy_t) matching );
 
     if( KERN_SUCCESS == kr) {
         // must return success after vm_map_copyout() succeeds
@@ -1377,10 +1278,8 @@
 {
     kern_return_t	kr;
     vm_offset_t 	data;
-    vm_map_offset_t	map_data;
-
-    kr = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) matching );
-    data = CAST_DOWN(vm_offset_t, map_data);
+
+    kr = vm_map_copyout( kernel_map, &data, (vm_map_copy_t) matching );
 
     if( KERN_SUCCESS == kr) {
         // must return success after vm_map_copyout() succeeds
@@ -1662,7 +1561,7 @@
     kern_return_t	err;
     vm_map_copy_t	copy;
 
-    err = vm_map_copyin( kernel_map, CAST_USER_ADDR_T(data), len,
+    err = vm_map_copyin( kernel_map, (vm_offset_t) data, len,
                     false /* src_destroy */, &copy);
 
     assert( err == KERN_SUCCESS );
@@ -1856,12 +1755,10 @@
     kern_return_t	err;
     IOReturn		res;
     vm_offset_t 	data;
-    vm_map_offset_t	map_data;
 
     CHECK( IORegistryEntry, registry_entry, entry );
 
-    err = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) properties );
-    data = CAST_DOWN(vm_offset_t, map_data);
+    err = vm_map_copyout( kernel_map, &data, (vm_map_copy_t) properties );
 
     if( KERN_SUCCESS == err) {
 
@@ -2071,33 +1968,6 @@
     return( err );
 }
 
-IOMemoryMap * IOUserClient::removeMappingForDescriptor(IOMemoryDescriptor * mem)
-{
-    OSIterator *  iter;
-    IOMemoryMap * map = 0;
-
-    IOLockLock(gIOObjectPortLock);
-
-    iter = OSCollectionIterator::withCollection(mappings);
-    if(iter)
-    {
-        while ((map = OSDynamicCast(IOMemoryMap, iter->getNextObject())))
-        {
-            if(mem == map->getMemoryDescriptor())
-            {
-                map->retain();
-                mappings->removeObject(map);
-                break;
-            }
-        }
-        iter->release();
-    }
-
-    IOLockUnlock(gIOObjectPortLock);
-
-    return (map);
-}
-
 kern_return_t is_io_connect_unmap_memory(
 	io_object_t     connect,
 	int		type,
@@ -2120,28 +1990,14 @@
 
 	map = memory->map( task, mapAddr, options );
 	memory->release();
-        if( map)
-	{
+        if( map) {
             IOLockLock( gIOObjectPortLock);
             if( client->mappings)
                 client->mappings->removeObject( map);
             IOLockUnlock( gIOObjectPortLock);
-
-	    mach_port_name_t name = 0;
-	    if (task != current_task())
-		name = IOMachPort::makeSendRightForTask( task, map, IKOT_IOKIT_OBJECT );
-	    if (name)
-	    {
-		map->unmap();
-		err = iokit_mod_send_right( task, name, -2 );
-		err = kIOReturnSuccess;
-	    }
-	    else
-		IOMachPort::releasePortForObject( map, IKOT_IOKIT_OBJECT );
-	    if (task == current_task())
-		map->release();
-        }
-	else
+            IOMachPort::releasePortForObject( map, IKOT_IOKIT_OBJECT );
+            map->release();
+        } else
             err = kIOReturnBadArgument;
     }
 
@@ -2818,12 +2674,8 @@
     if(flag != kIOCatalogRemoveKernelLinker && ( !inData || !inDataCount) )
         return kIOReturnBadArgument;
 
-    if (inData) {
-        vm_map_offset_t map_data;
-
-        kr = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t)inData);
-	data = CAST_DOWN(vm_offset_t, map_data);
-
+    if (data) {
+        kr = vm_map_copyout( kernel_map, &data, (vm_map_copy_t)inData);
         if( kr != KERN_SUCCESS)
             return kr;
 
@@ -2993,11 +2845,10 @@
         vm_size_t size;
 
         size = s->getLength();
-        kr = vm_allocate(kernel_map, &data, size, VM_FLAGS_ANYWHERE);
+        kr = vm_allocate(kernel_map, &data, size, true);
         if ( kr == kIOReturnSuccess ) {
             bcopy(s->text(), (void *)data, size);
-            kr = vm_map_copyin(kernel_map, (vm_map_address_t)data,
-			       (vm_map_size_t)size, true, &copy);
+            kr = vm_map_copyin(kernel_map, data, size, true, &copy);
             *outData = (char *)copy;
             *outDataCount = size;
         }
@@ -3063,17 +2914,19 @@
     return kIOReturnSuccess;
 }
 
-kern_return_t iokit_user_client_trap(struct iokit_user_client_trap_args *args)
+kern_return_t iokit_user_client_trap(io_object_t userClientRef, UInt32 index,
+                                    void *p1, void *p2, void *p3,
+                                    void *p4, void *p5, void *p6)
 {
     kern_return_t result = kIOReturnBadArgument;
     IOUserClient *userClient;
 
     if ((userClient = OSDynamicCast(IOUserClient,
-            iokit_lookup_connect_ref_current_task((OSObject *)(args->userClientRef))))) {
+            iokit_lookup_connect_ref_current_task(userClientRef)))) {
         IOExternalTrap *trap;
         IOService *target = NULL;
 
-        trap = userClient->getTargetAndTrapForIndex(&target, args->index);
+        trap = userClient->getTargetAndTrapForIndex(&target, index);
 
         if (trap && target) {
             IOTrap func;
@@ -3081,7 +2934,7 @@
             func = trap->func;
 
             if (func) {
-                result = (target->*func)(args->p1, args->p2, args->p3, args->p4, args->p5, args->p6);
+                result = (target->*func)(p1, p2, p3, p4, p5, p6);
             }
         }