Loading...
--- /dev/null
+++ xnu/xnu-1228.5.18/iokit/Kernel/RootDomainUserClient.cpp
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_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 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
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ *
+ */
+
+#include <IOKit/assert.h>
+#include <IOKit/IOLib.h>
+#include <IOKit/IOKitKeys.h>
+#include <IOKit/IOBufferMemoryDescriptor.h>
+#include "RootDomainUserClient.h"
+#include <IOKit/pwr_mgt/IOPMLibDefs.h>
+
+#define super IOUserClient
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+OSDefineMetaClassAndStructors(RootDomainUserClient, IOUserClient)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+bool RootDomainUserClient::initWithTask(task_t owningTask, void *security_id,
+ UInt32 type, OSDictionary * properties)
+{
+ if (properties)
+ properties->setObject(kIOUserClientCrossEndianCompatibleKey, kOSBooleanTrue);
+
+ if (!super::initWithTask(owningTask, security_id, type, properties))
+ return false;
+
+ fOwningTask = owningTask;
+ task_reference (fOwningTask);
+ return true;
+}
+
+
+bool RootDomainUserClient::start( IOService * provider )
+{
+ assert(OSDynamicCast(IOPMrootDomain, provider));
+ if(!super::start(provider))
+ return false;
+ fOwner = (IOPMrootDomain *)provider;
+
+
+ return true;
+}
+
+IOReturn RootDomainUserClient::secureSleepSystem( uint32_t *return_code )
+{
+ IOByteCount return_code_size = 1;
+
+ return secureSleepSystemOptions( NULL, // inOptions
+ (void *)return_code, // returnCode
+ (void *)0, // inSize
+ (void *)&return_code_size, // returnSize
+ NULL, NULL);
+}
+
+IOReturn RootDomainUserClient::secureSleepSystemOptions(
+ void * p1, void * p2, void * p3,
+ void * p4, void * p5, void * p6 )
+{
+ void *inOptions = (void *)p1;
+ uint32_t *returnCode = (uint32_t *)p2;
+ IOByteCount inOptionsSize = (IOByteCount)p3;
+ IOByteCount *returnCodeSize = (IOByteCount *)p4;
+
+ int local_priv = 0;
+ int admin_priv = 0;
+ IOReturn ret = kIOReturnNotPrivileged;
+ OSDictionary *unserializedOptions = NULL;
+ OSString *unserializeErrorString = NULL;
+
+ ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeLocalUser);
+ local_priv = (kIOReturnSuccess == ret);
+
+ ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
+ admin_priv = (kIOReturnSuccess == ret);
+
+ *returnCodeSize = sizeof(uint32_t);
+
+ if (inOptions)
+ {
+ unserializedOptions = OSDynamicCast( OSDictionary,
+ OSUnserializeXML((const char *)inOptions, &unserializeErrorString));
+
+ if (!unserializedOptions) {
+ IOLog("IOPMRootDomain SleepSystem unserialization failure: %s\n",
+ unserializeErrorString ? unserializeErrorString->getCStringNoCopy() : "Unknown");
+ }
+ }
+
+ if ( (local_priv || admin_priv)
+ && fOwner )
+ {
+ if (unserializedOptions)
+ {
+ // Publish Sleep Options in registry under root_domain
+ fOwner->setProperty( kRootDomainSleepOptionsKey, unserializedOptions);
+
+ *returnCode = fOwner->sleepSystemOptions( unserializedOptions );
+
+ unserializedOptions->release();
+ } else {
+ // No options
+ // Clear any pre-existing options
+ fOwner->removeProperty( kRootDomainSleepOptionsKey );
+
+ *returnCode = fOwner->sleepSystemOptions( NULL );
+ }
+
+ } else {
+ *returnCode = kIOReturnNotPrivileged;
+ }
+
+ return kIOReturnSuccess;
+}
+
+IOReturn RootDomainUserClient::secureSetAggressiveness(
+ unsigned long type,
+ unsigned long newLevel,
+ int *return_code )
+{
+ int local_priv = 0;
+ int admin_priv = 0;
+ IOReturn ret = kIOReturnNotPrivileged;
+
+ ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeLocalUser);
+ local_priv = (kIOReturnSuccess == ret);
+
+ ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
+ admin_priv = (kIOReturnSuccess == ret);
+
+ if((local_priv || admin_priv) && fOwner) {
+ *return_code = fOwner->setAggressiveness(type, newLevel);
+ return kIOReturnSuccess;
+ } else {
+ *return_code = kIOReturnNotPrivileged;
+ return kIOReturnSuccess;
+ }
+
+}
+
+
+IOReturn RootDomainUserClient::clientClose( void )
+{
+ detach(fOwner);
+
+ if(fOwningTask) {
+ task_deallocate(fOwningTask);
+ fOwningTask = 0;
+ }
+
+ return kIOReturnSuccess;
+}
+
+IOExternalMethod *
+RootDomainUserClient::getTargetAndMethodForIndex( IOService ** targetP, UInt32 index )
+{
+ static const IOExternalMethod sMethods[] = {
+ { // kPMSetAggressiveness, 0
+ (IOService *)1, (IOMethod)&RootDomainUserClient::secureSetAggressiveness, kIOUCScalarIScalarO, 2, 1
+ },
+ { // kPMGetAggressiveness, 1
+ 0, (IOMethod)&IOPMrootDomain::getAggressiveness, kIOUCScalarIScalarO, 1, 1
+ },
+ { // kPMSleepSystem, 2
+ (IOService *)1, (IOMethod)&RootDomainUserClient::secureSleepSystem, kIOUCScalarIScalarO, 0, 1
+ },
+ { // kPMAllowPowerChange, 3
+ 0, (IOMethod)&IOPMrootDomain::allowPowerChange, kIOUCScalarIScalarO, 1, 0
+ },
+ { // kPMCancelPowerChange, 4
+ 0, (IOMethod)&IOPMrootDomain::cancelPowerChange, kIOUCScalarIScalarO, 1, 0
+ },
+ { // kPMShutdownSystem, 5
+ 0, (IOMethod)&IOPMrootDomain::shutdownSystem, kIOUCScalarIScalarO, 0, 0
+ },
+ { // kPMRestartSystem, 6
+ 0, (IOMethod)&IOPMrootDomain::restartSystem, kIOUCScalarIScalarO, 0, 0
+ },
+ { // kPMSleepSystemOptions, 7
+ (IOService *)1, (IOMethod)&RootDomainUserClient::secureSleepSystemOptions,
+ kIOUCStructIStructO, kIOUCVariableStructureSize, sizeof(uint32_t)
+ }
+ };
+
+ if(index >= kNumPMMethods)
+ return NULL;
+ else {
+ if (sMethods[index].object)
+ *targetP = this;
+ else
+ *targetP = fOwner;
+
+ return (IOExternalMethod *)&sMethods[index];
+ }
+}
+
+#if 0
+IOReturn RootDomainUserClient::externalMethod( uint32_t selector, IOExternalMethodArguments * args,
+ IOExternalMethodDispatch * dispatch, OSObject * target, void * reference )
+{
+ static const IOExternalMethodDispatch sMethods[] = {
+ { // kPMSetAggressiveness, 0
+ (IOService *)1, (IOMethod)&RootDomainUserClient::secureSetAggressiveness, kIOUCScalarIScalarO, 2, 1
+ },
+ { // kPMGetAggressiveness, 1
+ 0, (IOMethod)&IOPMrootDomain::getAggressiveness, kIOUCScalarIScalarO, 1, 1
+ },
+ { // kPMSleepSystem, 2
+ (IOService *)1, (IOMethod)&RootDomainUserClient::secureSleepSystem, kIOUCScalarIScalarO, 0, 1
+ },
+ { // kPMAllowPowerChange, 3
+ 0, (IOMethod)&IOPMrootDomain::allowPowerChange, kIOUCScalarIScalarO, 1, 0
+ },
+ { // kPMCancelPowerChange, 4
+ 0, (IOMethod)&IOPMrootDomain::cancelPowerChange, kIOUCScalarIScalarO, 1, 0
+ },
+ { // kPMShutdownSystem, 5
+ 0, (IOMethod)&IOPMrootDomain::shutdownSystem, kIOUCScalarIScalarO, 0, 0
+ },
+ { // kPMRestartSystem, 6
+ 0, (IOMethod)&IOPMrootDomain::restartSystem, kIOUCScalarIScalarO, 0, 0
+ },
+ { // kPMSetPreventative, 7
+ (IOService *)1, (IOMethod)&RootDomainUserClient::setPreventative, kIOUCScalarIScalarO, 2, 0
+ },
+ };
+
+ if (selector > (sizeof(sMethods) / sizeof(sMethods[0])))
+ return (kIOReturnBadArgument);
+
+ if ((1 << selector) & ((1 << 0) | (1 << 7))
+ target = this;
+ else
+ target = fOwner;
+
+ return (super::externalMethod(selector, args, &sMethods[selector], target, 0));
+}
+#endif
+
+void
+RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep)
+{
+ return;
+}
+