X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4452a7af2eac33dbad800bcc91f2399d62c18f53..c18c124eaa464aaaa5549e99e5a70fc9cbb50944:/iokit/Kernel/RootDomainUserClient.cpp diff --git a/iokit/Kernel/RootDomainUserClient.cpp b/iokit/Kernel/RootDomainUserClient.cpp index c6c812c54..ae122f4c1 100644 --- a/iokit/Kernel/RootDomainUserClient.cpp +++ b/iokit/Kernel/RootDomainUserClient.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2012 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -36,6 +36,8 @@ #include #include "RootDomainUserClient.h" #include +#include +#include #define super IOUserClient @@ -45,17 +47,17 @@ OSDefineMetaClassAndStructors(RootDomainUserClient, IOUserClient) /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -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; } @@ -71,29 +73,73 @@ bool RootDomainUserClient::start( IOService * provider ) return true; } -IOReturn RootDomainUserClient::secureSleepSystem( int *return_code ) +IOReturn RootDomainUserClient::secureSleepSystem( uint32_t *return_code ) { + return secureSleepSystemOptions(NULL, 0, return_code); +} + +IOReturn RootDomainUserClient::secureSleepSystemOptions( + const void *inOptions, + IOByteCount inOptionsSize, + uint32_t *returnCode) +{ + 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); - if((local_priv || admin_priv) && fOwner) { - *return_code = fOwner->sleepSystem(); - return kIOReturnSuccess; + + if (inOptions) + { + unserializedOptions = OSDynamicCast( OSDictionary, + OSUnserializeXML((const char *)inOptions, inOptionsSize, &unserializeErrorString)); + + if (!unserializedOptions) { + IOLog("IOPMRootDomain SleepSystem unserialization failure: %s\n", + unserializeErrorString ? unserializeErrorString->getCStringNoCopy() : "Unknown"); + } + } + + 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) + { + // 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 { - *return_code = kIOReturnNotPrivileged; - return kIOReturnSuccess; + *returnCode = kIOReturnNotPrivileged; } + return kIOReturnSuccess; } -IOReturn RootDomainUserClient::secureSetAggressiveness( +IOReturn RootDomainUserClient::secureSetAggressiveness( unsigned long type, unsigned long newLevel, int *return_code ) @@ -104,78 +150,235 @@ IOReturn RootDomainUserClient::secureSetAggressiveness( 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; } + 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; +} IOReturn RootDomainUserClient::clientClose( void ) { detach(fOwner); - + if(fOwningTask) { task_deallocate(fOwningTask); fOwningTask = 0; - } - + } + return kIOReturnSuccess; } -IOExternalMethod * -RootDomainUserClient::getTargetAndMethodForIndex( IOService ** targetP, UInt32 index ) +IOReturn RootDomainUserClient::externalMethod( + uint32_t selector, + IOExternalMethodArguments * arguments, + IOExternalMethodDispatch * dispatch __unused, + OSObject * target __unused, + void * reference __unused ) { - static 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 - }, - { // kPMSetPreventative, 7 - (IOService *)1, (IOMethod)&RootDomainUserClient::setPreventative, kIOUCScalarIScalarO, 2, 0 - }, - }; - - if(index >= kNumPMMethods) - return NULL; - else { - if (sMethods[index].object) - *targetP = this; - else - *targetP = fOwner; - - return &sMethods[index]; + 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; +#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; } -void -RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep) +/* 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 ) { - return; + // DO NOT EDIT + return super::getTargetAndMethodForIndex(targetP, index); } +/* setPreventative + * Does nothing. Exists only for exported symbol compatibility. + */ +void +RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep) +{ return; } // DO NOT EDIT