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iokit/Kernel/RootDomainUserClient.cpp xnu-3248.50.21 xnu-1228
--- xnu/xnu-3248.50.21/iokit/Kernel/RootDomainUserClient.cpp
+++ xnu/xnu-1228/iokit/Kernel/RootDomainUserClient.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2012 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -36,8 +36,6 @@
 #include <IOKit/IOBufferMemoryDescriptor.h>
 #include "RootDomainUserClient.h"
 #include <IOKit/pwr_mgt/IOPMLibDefs.h>
-#include <IOKit/pwr_mgt/IOPMPrivate.h>
-#include <sys/proc.h>
 
 #define super IOUserClient
 
@@ -47,17 +45,17 @@
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
-bool RootDomainUserClient::initWithTask(task_t owningTask, void *security_id,
-                    UInt32 type, OSDictionary * properties)
+bool RootDomainUserClient::initWithTask(task_t owningTask, void *security_id, 
+					UInt32 type, OSDictionary * properties)
 {
     if (properties)
-    properties->setObject(kIOUserClientCrossEndianCompatibleKey, kOSBooleanTrue);
+	properties->setObject(kIOUserClientCrossEndianCompatibleKey, kOSBooleanTrue);
 
     if (!super::initWithTask(owningTask, security_id, type, properties))
-    return false;
+	return false;
 
     fOwningTask = owningTask;
-    task_reference (fOwningTask);
+    task_reference (fOwningTask);    
     return true;
 }
 
@@ -75,14 +73,23 @@
 
 IOReturn RootDomainUserClient::secureSleepSystem( uint32_t *return_code )
 {
-    return secureSleepSystemOptions(NULL, 0, return_code);
-}
-
-IOReturn RootDomainUserClient::secureSleepSystemOptions(
-    const void      *inOptions,
-    IOByteCount     inOptionsSize,
-    uint32_t        *returnCode)
-{
+    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;
@@ -92,44 +99,40 @@
 
     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, inOptionsSize, &unserializeErrorString));
-
+                                             OSUnserializeXML((const char *)inOptions, &unserializeErrorString));
+    
         if (!unserializedOptions) {
-            IOLog("IOPMRootDomain SleepSystem unserialization failure: %s\n",
+            IOLog("IOPMRootDomain SleepSystem unserialization failure: %s\n", 
                 unserializeErrorString ? unserializeErrorString->getCStringNoCopy() : "Unknown");
         }
     }
 
-    if ( (local_priv || admin_priv) && fOwner )
+    if ( (local_priv || admin_priv) 
+          && fOwner ) 
     {
-        proc_t p;
-        p = (proc_t)get_bsdtask_info(fOwningTask);
-        if (p) {
-            fOwner->setProperty("SleepRequestedByPID", proc_pid(p), 32);
-        }
-
-        if (unserializedOptions)
+        if (unserializedOptions) 
         {
             // Publish Sleep Options in registry under root_domain
-            fOwner->setProperty( kRootDomainSleepOptionsKey, unserializedOptions);
+            fOwner->setProperty( kRootDomainSleepOptionsKey, unserializedOptions);            
 
             *returnCode = fOwner->sleepSystemOptions( unserializedOptions );
 
-            unserializedOptions->release();
+            unserializedOptions->release();        
         } else {
             // No options
             // Clear any pre-existing options
             fOwner->removeProperty( kRootDomainSleepOptionsKey );
 
-            *returnCode = fOwner->sleepSystemOptions( NULL );
+            *returnCode = fOwner->sleepSystemOptions( NULL );        
         }
 
     } else {
@@ -139,7 +142,7 @@
     return kIOReturnSuccess;
 }
 
-IOReturn RootDomainUserClient::secureSetAggressiveness(
+IOReturn RootDomainUserClient::secureSetAggressiveness( 
     unsigned long   type,
     unsigned long   newLevel,
     int             *return_code )
@@ -150,235 +153,122 @@
 
     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::secureSetMaintenanceWakeCalendar(
-    IOPMCalendarStruct      *inCalendar,
-    uint32_t                *returnCode)
-{
-    int                     admin_priv = 0;
-    IOReturn                ret = kIOReturnNotPrivileged;
-
-    ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-    admin_priv = (kIOReturnSuccess == ret);
-
-    if (admin_priv && fOwner) {
-        *returnCode = fOwner->setMaintenanceWakeCalendar(inCalendar);
-    } else {
-        *returnCode = kIOReturnNotPrivileged;
-    }
-    return kIOReturnSuccess;
-}
-
-IOReturn RootDomainUserClient::secureSetUserAssertionLevels(
-    uint32_t    assertionBitfield)
-{
-    int                     admin_priv = 0;
-    IOReturn                ret = kIOReturnNotPrivileged;
-
-    ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-    admin_priv = (kIOReturnSuccess == ret);
-
-    if (admin_priv && fOwner) {
-        ret = fOwner->setPMAssertionUserLevels(assertionBitfield);
-    } else {
-        ret = kIOReturnNotPrivileged;
-    }
-    return kIOReturnSuccess;
-}
-
-IOReturn RootDomainUserClient::secureGetSystemSleepType(
-    uint32_t    *outSleepType)
-{
-    int                     admin_priv = 0;
-    IOReturn                ret;
-
-    ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-    admin_priv = (kIOReturnSuccess == ret);
-
-    if (admin_priv && fOwner) {
-        ret = fOwner->getSystemSleepType(outSleepType);
-    } else {
-        ret = kIOReturnNotPrivileged;
-    }
-    return ret;
-}
+        return kIOReturnSuccess;
+    }
+
+}
+
 
 IOReturn RootDomainUserClient::clientClose( void )
 {
     detach(fOwner);
-
+    
     if(fOwningTask) {
         task_deallocate(fOwningTask);
         fOwningTask = 0;
-    }
-
+    }   
+    
     return kIOReturnSuccess;
 }
 
-IOReturn RootDomainUserClient::externalMethod(
-    uint32_t selector,
-    IOExternalMethodArguments * arguments,
-    IOExternalMethodDispatch * dispatch __unused,
-    OSObject * target __unused,
-    void * reference __unused )
-{
-    IOReturn    ret = kIOReturnBadArgument;
-
-    switch (selector)
-    {
-        case kPMSetAggressiveness:
-            if ((2 == arguments->scalarInputCount)
-                && (1 == arguments->scalarOutputCount))
-            {
-                ret = this->secureSetAggressiveness(
-                                (unsigned long)arguments->scalarInput[0],
-                                (unsigned long)arguments->scalarInput[1],
-                                (int *)&arguments->scalarOutput[0]);
-            }
-            break;
-
-        case kPMGetAggressiveness:
-            if ((1 == arguments->scalarInputCount)
-                && (1 == arguments->scalarOutputCount))
-            {
-                ret = fOwner->getAggressiveness(
-                                (unsigned long)arguments->scalarInput[0],
-                                (unsigned long *)&arguments->scalarOutput[0]);
-            }
-            break;
-
-        case kPMSleepSystem:
-            if (1 == arguments->scalarOutputCount)
-            {
-                ret = this->secureSleepSystem(
-                                (uint32_t *)&arguments->scalarOutput[0]);
-            }
-            break;
-
-        case kPMAllowPowerChange:
-            if (1 == arguments->scalarInputCount)
-            {
-                ret = fOwner->allowPowerChange(
-                                arguments->scalarInput[0]);
-            }
-            break;
-
-        case kPMCancelPowerChange:
-            if (1 == arguments->scalarInputCount)
-            {
-                ret = fOwner->cancelPowerChange(
-                                arguments->scalarInput[0]);
-            }
-            break;
-
-        case kPMShutdownSystem:
-            // deperecated interface
-            ret = kIOReturnUnsupported;
-            break;
-
-        case kPMRestartSystem:
-            // deperecated interface
-            ret = kIOReturnUnsupported;
-            break;
-
-        case kPMSleepSystemOptions:
-            ret = this->secureSleepSystemOptions(
-                    arguments->structureInput,
-                    arguments->structureInputSize,
-                    (uint32_t *)&arguments->scalarOutput[0]);
-            break;
-        case kPMSetMaintenanceWakeCalendar:
-            ret = this->secureSetMaintenanceWakeCalendar(
-                    (IOPMCalendarStruct *)arguments->structureInput,
-                    (uint32_t *)&arguments->structureOutput);
-            arguments->structureOutputSize = sizeof(uint32_t);
-            break;
-
-        case kPMSetUserAssertionLevels:
-            ret = this->secureSetUserAssertionLevels(
-                        (uint32_t)arguments->scalarInput[0]);
-            break;
-
-        case kPMActivityTickle:
-            if ( fOwner->checkSystemCanSustainFullWake() )
-            {
-               fOwner->reportUserInput( );
-               fOwner->setProperty(kIOPMRootDomainWakeTypeKey, "UserActivity Assertion");
-            }
-            ret = kIOReturnSuccess;
-            break;
-
-        case kPMSetClamshellSleepState:
-            fOwner->setDisableClamShellSleep(arguments->scalarInput[0] ? true : false);
-            ret = kIOReturnSuccess;
-            break;
-
-        case kPMGetSystemSleepType:
-            if (1 == arguments->scalarOutputCount)
-            {
-                ret = this->secureGetSystemSleepType(
-                        (uint32_t *) &arguments->scalarOutput[0]);
-            }
-            break;
-
-#if defined(__i386__) || defined(__x86_64__)
-        case kPMSleepWakeWatchdogEnable:
-            ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-            if (ret == kIOReturnSuccess)
-               fOwner->sleepWakeDebugEnableWdog();
-            break;
-
-
-        case kPMSleepWakeDebugTrig:
-            ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-            if (ret == kIOReturnSuccess)
-               fOwner->sleepWakeDebugTrig(false);
-            break;
+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
 
-        case kPMSetDisplayPowerOn:
-            if (1 == arguments->scalarInputCount)
-            {
-                ret = clientHasPrivilege(fOwningTask, kIOClientPrivilegeAdministrator);
-                if (ret == kIOReturnSuccess)
-                    fOwner->setDisplayPowerOn((uint32_t)arguments->scalarInput[0]);
-            }
-            break;
-
-        default:
-            // bad selector
-            return kIOReturnBadArgument;
-    }
-
-    return ret;
-}
-
-/* getTargetAndMethodForIndex
- * Not used. We prefer to use externalMethod() for user client invocations.
- * We maintain getTargetAndExternalMethod since it's an exported symbol,
- * and only for that reason.
- */
-IOExternalMethod * RootDomainUserClient::getTargetAndMethodForIndex(
-    IOService ** targetP, UInt32 index )
-{
-    // DO NOT EDIT
-    return super::getTargetAndMethodForIndex(targetP, index);
-}
-
-/* setPreventative
- * Does nothing. Exists only for exported symbol compatibility.
- */
-void
+void 
 RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep)
-{ return; } // DO NOT EDIT
+{
+    return;
+}
+