/*
- * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2014 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <IOKit/IOMemoryDescriptor.h>
#include <IOKit/IOBufferMemoryDescriptor.h>
#include <IOKit/IOLib.h>
+#include <IOKit/IOStatisticsPrivate.h>
+#include <IOKit/IOTimeStamp.h>
+#include <IOKit/system.h>
#include <libkern/OSDebug.h>
#include <sys/proc.h>
+#include <sys/kauth.h>
+#include <sys/codesign.h>
+
+#include <mach/sdt.h>
+
+#if CONFIG_MACF
+
+extern "C" {
+#include <security/mac_framework.h>
+};
+#include <sys/kauth.h>
+
+#define IOMACF_LOG 0
+
+#endif /* CONFIG_MACF */
#include <IOKit/assert.h>
#define SCALAR64(x) ((io_user_scalar_t)((unsigned int)x))
#define SCALAR32(x) ((uint32_t )x)
-#define ARG32(x) ((void *)SCALAR32(x))
+#define ARG32(x) ((void *)(uintptr_t)SCALAR32(x))
#define REF64(x) ((io_user_reference_t)((UInt64)(x)))
#define REF32(x) ((int)(x))
enum
{
- kIOUCAsync0Flags = 3ULL,
- kIOUCAsync64Flag = 1ULL
+ kIOUCAsync0Flags = 3ULL,
+ kIOUCAsync64Flag = 1ULL,
+ kIOUCAsyncErrorLoggedFlag = 2ULL
};
+#if IOKITSTATS
+
+#define IOStatisticsRegisterCounter() \
+do { \
+ reserved->counter = IOStatistics::registerUserClient(this); \
+} while (0)
+
+#define IOStatisticsUnregisterCounter() \
+do { \
+ if (reserved) \
+ IOStatistics::unregisterUserClient(reserved->counter); \
+} while (0)
+
+#define IOStatisticsClientCall() \
+do { \
+ IOStatistics::countUserClientCall(client); \
+} while (0)
+
+#else
+
+#define IOStatisticsRegisterCounter()
+#define IOStatisticsUnregisterCounter()
+#define IOStatisticsClientCall()
+
+#endif /* IOKITSTATS */
+
+#if DEVELOPMENT || DEBUG
+
+#define FAKE_STACK_FRAME(a) \
+ const void ** __frameptr; \
+ const void * __retaddr; \
+ __frameptr = (typeof(__frameptr)) __builtin_frame_address(0); \
+ __retaddr = __frameptr[1]; \
+ __frameptr[1] = (a);
+
+#define FAKE_STACK_FRAME_END() \
+ __frameptr[1] = __retaddr;
+
+#else /* DEVELOPMENT || DEBUG */
+
+#define FAKE_STACK_FRAME(a)
+#define FAKE_STACK_FRAME_END()
+
+#endif /* DEVELOPMENT || DEBUG */
+
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// definitions we should get from osfmk
static mach_port_name_t makeSendRightForTask( task_t task,
io_object_t obj, ipc_kobject_type_t type );
- virtual void free();
+ virtual void free() APPLE_KEXT_OVERRIDE;
};
#define super OSObject
{
OSDictionary * dict;
IOMachPort * machPort;
+ IOUserClient * uc;
bool destroyed = true;
IOTakeLock( gIOObjectPortLock);
machPort = (IOMachPort *) dict->getObject( (const OSSymbol *) obj );
if( machPort) {
destroyed = (machPort->mscount <= *mscount);
- if( destroyed)
+ if (!destroyed) *mscount = machPort->mscount;
+ else
+ {
+ if ((IKOT_IOKIT_CONNECT == type) && (uc = OSDynamicCast(IOUserClient, obj)))
+ {
+ uc->noMoreSenders();
+ }
dict->removeObject( (const OSSymbol *) obj );
- else
- *mscount = machPort->mscount;
+ }
}
obj->release();
}
OSDictionary * dict;
IOMachPort * machPort;
+ assert(IKOT_IOKIT_CONNECT != type);
+
IOTakeLock( gIOObjectPortLock);
if( (dict = dictForType( type ))) {
if (port)
{
IOUserClient * uc;
- if ((uc = OSDynamicCast(IOUserClient, obj)) && uc->mappings)
+ if ((uc = OSDynamicCast(IOUserClient, obj)))
{
- dict->setObject((const OSSymbol *) uc->mappings, port);
- iokit_switch_object_port(port->port, uc->mappings, IKOT_IOKIT_CONNECT);
-
- uc->mappings->release();
- uc->mappings = 0;
- }
+ uc->noMoreSenders();
+ if (uc->mappings)
+ {
+ dict->setObject((const OSSymbol *) uc->mappings, port);
+ iokit_switch_object_port(port->port, uc->mappings, IKOT_IOKIT_CONNECT);
+
+ uc->mappings->release();
+ uc->mappings = 0;
+ }
+ }
dict->removeObject( (const OSSymbol *) obj );
}
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-class IOUserNotification : public OSIterator
+class IOUserIterator : public OSIterator
+{
+ OSDeclareDefaultStructors(IOUserIterator)
+public:
+ OSObject * userIteratorObject;
+ IOLock * lock;
+
+ static IOUserIterator * withIterator(OSIterator * iter);
+ virtual bool init( void ) APPLE_KEXT_OVERRIDE;
+ virtual void free() APPLE_KEXT_OVERRIDE;
+
+ virtual void reset() APPLE_KEXT_OVERRIDE;
+ virtual bool isValid() APPLE_KEXT_OVERRIDE;
+ virtual OSObject * getNextObject() APPLE_KEXT_OVERRIDE;
+};
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+class IOUserNotification : public IOUserIterator
{
OSDeclareDefaultStructors(IOUserNotification)
- IONotifier * holdNotify;
- IOLock * lock;
+#define holdNotify userIteratorObject
public:
- virtual bool init( void );
- virtual void free();
+ virtual void free() APPLE_KEXT_OVERRIDE;
virtual void setNotification( IONotifier * obj );
- virtual void reset();
- virtual bool isValid();
+ virtual void reset() APPLE_KEXT_OVERRIDE;
+ virtual bool isValid() APPLE_KEXT_OVERRIDE;
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+OSDefineMetaClassAndStructors( IOUserIterator, OSIterator )
+
+IOUserIterator *
+IOUserIterator::withIterator(OSIterator * iter)
+{
+ IOUserIterator * me;
+
+ if (!iter) return (0);
+
+ me = new IOUserIterator;
+ if (me && !me->init())
+ {
+ me->release();
+ me = 0;
+ }
+ if (!me) return me;
+ me->userIteratorObject = iter;
+
+ return (me);
+}
+
+bool
+IOUserIterator::init( void )
+{
+ if (!OSObject::init()) return (false);
+
+ lock = IOLockAlloc();
+ if( !lock)
+ return( false );
+
+ return (true);
+}
+
+void
+IOUserIterator::free()
+{
+ if (userIteratorObject) userIteratorObject->release();
+ if (lock) IOLockFree(lock);
+ OSObject::free();
+}
+
+void
+IOUserIterator::reset()
+{
+ IOLockLock(lock);
+ assert(OSDynamicCast(OSIterator, userIteratorObject));
+ ((OSIterator *)userIteratorObject)->reset();
+ IOLockUnlock(lock);
+}
+
+bool
+IOUserIterator::isValid()
+{
+ bool ret;
+
+ IOLockLock(lock);
+ assert(OSDynamicCast(OSIterator, userIteratorObject));
+ ret = ((OSIterator *)userIteratorObject)->isValid();
+ IOLockUnlock(lock);
+
+ return (ret);
+}
+
+OSObject *
+IOUserIterator::getNextObject()
+{
+ OSObject * ret;
+
+ IOLockLock(lock);
+ assert(OSDynamicCast(OSIterator, userIteratorObject));
+ ret = ((OSIterator *)userIteratorObject)->getNextObject();
+ IOLockUnlock(lock);
+
+ return (ret);
+}
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
extern "C" {
// functions called from osfmk/device/iokit_rpc.c
obj->release();
}
+void
+iokit_add_connect_reference( io_object_t obj )
+{
+ IOUserClient * uc;
+
+ if (!obj) return;
+
+ if ((uc = OSDynamicCast(IOUserClient, obj))) OSIncrementAtomic(&uc->__ipc);
+
+ obj->retain();
+}
+
+void
+iokit_remove_connect_reference( io_object_t obj )
+{
+ IOUserClient * uc;
+ bool finalize = false;
+
+ if (!obj) return;
+
+ if ((uc = OSDynamicCast(IOUserClient, obj)))
+ {
+ if (1 == OSDecrementAtomic(&uc->__ipc) && uc->isInactive())
+ {
+ IOLockLock(gIOObjectPortLock);
+ if ((finalize = uc->__ipcFinal)) uc->__ipcFinal = false;
+ IOLockUnlock(gIOObjectPortLock);
+ }
+ if (finalize) uc->scheduleFinalize(true);
+ }
+
+ obj->release();
+}
+
+bool
+IOUserClient::finalizeUserReferences(OSObject * obj)
+{
+ IOUserClient * uc;
+ bool ok = true;
+
+ if ((uc = OSDynamicCast(IOUserClient, obj)))
+ {
+ IOLockLock(gIOObjectPortLock);
+ if ((uc->__ipcFinal = (0 != uc->__ipc))) ok = false;
+ IOLockUnlock(gIOObjectPortLock);
+ }
+ return (ok);
+}
+
ipc_port_t
iokit_port_for_object( io_object_t obj, ipc_kobject_type_t type )
{
if( IKOT_IOKIT_CONNECT == type)
{
if( (client = OSDynamicCast( IOUserClient, obj )))
+ {
+ IOStatisticsClientCall();
client->clientDied();
+ }
}
else if( IKOT_IOKIT_OBJECT == type)
{
OSArray * newSet;
OSObject * lastEntry;
bool armed;
+ bool ipcLogged;
public:
virtual bool init( mach_port_t port, natural_t type,
void * reference, vm_size_t referenceSize,
bool clientIs64 );
- virtual void free();
+ virtual void free() APPLE_KEXT_OVERRIDE;
static bool _handler( void * target,
void * ref, IOService * newService, IONotifier * notifier );
virtual bool handler( void * ref, IOService * newService );
- virtual OSObject * getNextObject();
+ virtual OSObject * getNextObject() APPLE_KEXT_OVERRIDE;
};
class IOServiceMessageUserNotification : public IOUserNotification
vm_size_t msgSize;
uint8_t clientIs64;
int owningPID;
+ bool ipcLogged;
public:
vm_size_t extraSize,
bool clientIs64 );
- virtual void free();
+ virtual void free() APPLE_KEXT_OVERRIDE;
static IOReturn _handler( void * target, void * ref,
UInt32 messageType, IOService * provider,
UInt32 messageType, IOService * provider,
void * messageArgument, vm_size_t argSize );
- virtual OSObject * getNextObject();
+ virtual OSObject * getNextObject() APPLE_KEXT_OVERRIDE;
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#undef super
-#define super OSIterator
-OSDefineMetaClass( IOUserNotification, OSIterator )
-OSDefineAbstractStructors( IOUserNotification, OSIterator )
+#define super IOUserIterator
+OSDefineMetaClass( IOUserNotification, IOUserIterator )
+OSDefineAbstractStructors( IOUserNotification, IOUserIterator )
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-bool IOUserNotification::init( void )
-{
- if( !super::init())
- return( false );
-
- lock = IOLockAlloc();
- if( !lock)
- return( false );
-
- return( true );
-}
-
void IOUserNotification::free( void )
{
- if( holdNotify)
- holdNotify->remove();
+ if (holdNotify)
+ {
+ assert(OSDynamicCast(IONotifier, holdNotify));
+ ((IONotifier *)holdNotify)->remove();
+ holdNotify = 0;
+ }
// can't be in handler now
- if( lock)
- IOLockFree( lock );
-
super::free();
}
void IOUserNotification::setNotification( IONotifier * notify )
{
- IONotifier * previousNotify;
+ OSObject * previousNotify;
IOLockLock( gIOObjectPortLock);
IOLockUnlock( gIOObjectPortLock);
if( previousNotify)
- previousNotify->remove();
+ {
+ assert(OSDynamicCast(IONotifier, previousNotify));
+ ((IONotifier *)previousNotify)->remove();
+ }
}
void IOUserNotification::reset()
void * reference, vm_size_t referenceSize,
bool clientIs64 )
{
+ if( !super::init())
+ return( false );
+
newSet = OSArray::withCapacity( 1 );
if( !newSet)
return( false );
pingMsg->notifyHeader.type = type;
bcopy( reference, pingMsg->notifyHeader.reference, referenceSize );
- return( super::init() );
+ return( true );
}
void IOServiceUserNotification::free( void )
super::free();
- if( _pingMsg && _msgSize)
- IOFree( _pingMsg, _msgSize);
+ if( _pingMsg && _msgSize) {
+ if (_pingMsg->msgHdr.msgh_remote_port) {
+ iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
+ }
+ IOFree(_pingMsg, _msgSize);
+ }
if( _lastEntry)
_lastEntry->release();
else
pingMsg->msgHdr.msgh_local_port = NULL;
- kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
- pingMsg->msgHdr.msgh_size);
+ kr = mach_msg_send_from_kernel_with_options( &pingMsg->msgHdr,
+ pingMsg->msgHdr.msgh_size,
+ (MACH_SEND_MSG | MACH_SEND_ALWAYS | MACH_SEND_IMPORTANCE),
+ 0);
if( port)
iokit_release_port( port );
- if( KERN_SUCCESS != kr)
- IOLog("%s: mach_msg_send_from_kernel_proper {%x}\n", __FILE__, kr );
+ if( (KERN_SUCCESS != kr) && !ipcLogged)
+ {
+ ipcLogged = true;
+ IOLog("%s: mach_msg_send_from_kernel_proper(0x%x)\n", __PRETTY_FUNCTION__, kr );
+ }
}
return( true );
{
unsigned int count;
OSObject * result;
+ OSObject * releaseEntry;
- IOTakeLock( lock );
-
- if( lastEntry)
- lastEntry->release();
+ IOLockLock(lock);
+ releaseEntry = lastEntry;
count = newSet->getCount();
if( count ) {
result = newSet->getObject( count - 1 );
}
lastEntry = result;
- IOUnlock( lock );
+ IOLockUnlock(lock);
+
+ if (releaseEntry) releaseEntry->release();
return( result );
}
void * reference, vm_size_t referenceSize, vm_size_t extraSize,
bool client64 )
{
+ if( !super::init())
+ return( false );
if (referenceSize > sizeof(OSAsyncReference64))
return( false );
owningPID = proc_selfpid();
extraSize += sizeof(IOServiceInterestContent64);
- msgSize = sizeof(PingMsg) - sizeof(OSAsyncReference64) + referenceSize + extraSize;
+ msgSize = sizeof(PingMsg) - sizeof(OSAsyncReference64) + referenceSize;
pingMsg = (PingMsg *) IOMalloc( msgSize);
if( !pingMsg)
return( false );
pingMsg->notifyHeader.type = type;
bcopy( reference, pingMsg->notifyHeader.reference, referenceSize );
- return( super::init() );
+ return( true );
}
void IOServiceMessageUserNotification::free( void )
super::free();
- if( _pingMsg && _msgSize)
+ if( _pingMsg && _msgSize) {
+ if (_pingMsg->msgHdr.msgh_remote_port) {
+ iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
+ }
IOFree( _pingMsg, _msgSize);
+ }
}
IOReturn IOServiceMessageUserNotification::_handler( void * target, void * ref,
IOReturn IOServiceMessageUserNotification::handler( void * ref,
UInt32 messageType, IOService * provider,
- void * messageArgument, vm_size_t argSize )
+ void * messageArgument, vm_size_t callerArgSize )
{
+ enum { kLocalMsgSize = 0x100 };
+ uint64_t stackMsg[kLocalMsgSize / sizeof(uint64_t)];
+ void * allocMsg;
kern_return_t kr;
+ vm_size_t argSize;
+ vm_size_t thisMsgSize;
ipc_port_t thisPort, providerPort;
- IOServiceInterestContent64 * data = (IOServiceInterestContent64 *)
- ((((uint8_t *) pingMsg) + msgSize) - pingMsg->notifyHeader.size);
- // == pingMsg->notifyHeader.content;
+ struct PingMsg * thisMsg;
+ IOServiceInterestContent64 * data;
if (kIOMessageCopyClientID == messageType)
{
- *((void **) messageArgument) = IOCopyLogNameForPID(owningPID);
- return (kIOReturnSuccess);
+ *((void **) messageArgument) = OSNumber::withNumber(owningPID, 32);
+ return (kIOReturnSuccess);
+ }
+
+ if (callerArgSize == 0)
+ {
+ if (clientIs64) argSize = sizeof(data->messageArgument[0]);
+ else argSize = sizeof(uint32_t);
+ }
+ else
+ {
+ argSize = callerArgSize;
+ if( argSize > kIOUserNotifyMaxMessageSize)
+ argSize = kIOUserNotifyMaxMessageSize;
+ }
+
+ // adjust message size for ipc restrictions
+ natural_t type;
+ type = pingMsg->notifyHeader.type;
+ type &= ~(kIOKitNoticationMsgSizeMask << kIOKitNoticationTypeSizeAdjShift);
+ type |= ((argSize & kIOKitNoticationMsgSizeMask) << kIOKitNoticationTypeSizeAdjShift);
+ argSize = (argSize + kIOKitNoticationMsgSizeMask) & ~kIOKitNoticationMsgSizeMask;
+
+ thisMsgSize = msgSize
+ + sizeof( IOServiceInterestContent64 )
+ - sizeof( data->messageArgument)
+ + argSize;
+
+ if (thisMsgSize > sizeof(stackMsg))
+ {
+ allocMsg = IOMalloc(thisMsgSize);
+ if (!allocMsg) return (kIOReturnNoMemory);
+ thisMsg = (typeof(thisMsg)) allocMsg;
+ }
+ else
+ {
+ allocMsg = 0;
+ thisMsg = (typeof(thisMsg)) stackMsg;
}
+ bcopy(pingMsg, thisMsg, msgSize);
+ thisMsg->notifyHeader.type = type;
+ data = (IOServiceInterestContent64 *) (((uint8_t *) thisMsg) + msgSize);
+ // == pingMsg->notifyHeader.content;
data->messageType = messageType;
- if( argSize == 0)
+ if (callerArgSize == 0)
{
data->messageArgument[0] = (io_user_reference_t) messageArgument;
- if (clientIs64)
- argSize = sizeof(data->messageArgument[0]);
- else
+ if (!clientIs64)
{
data->messageArgument[0] |= (data->messageArgument[0] << 32);
- argSize = sizeof(uint32_t);
}
}
else
{
- if( argSize > kIOUserNotifyMaxMessageSize)
- argSize = kIOUserNotifyMaxMessageSize;
- bcopy( messageArgument, data->messageArgument, argSize );
+ bcopy( messageArgument, data->messageArgument, callerArgSize );
+ bzero((void *)(((uintptr_t) &data->messageArgument[0]) + callerArgSize), argSize - callerArgSize);
}
- pingMsg->msgHdr.msgh_size = msgSize - pingMsg->notifyHeader.size
- + sizeof( IOServiceInterestContent64 )
- - sizeof( data->messageArgument)
- + argSize;
+
+ thisMsg->notifyHeader.type = type;
+ thisMsg->msgHdr.msgh_size = thisMsgSize;
providerPort = iokit_port_for_object( provider, IKOT_IOKIT_OBJECT );
- pingMsg->ports[0].name = providerPort;
+ thisMsg->ports[0].name = providerPort;
thisPort = iokit_port_for_object( this, IKOT_IOKIT_OBJECT );
- pingMsg->msgHdr.msgh_local_port = thisPort;
- kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
- pingMsg->msgHdr.msgh_size);
+ thisMsg->msgHdr.msgh_local_port = thisPort;
+
+ kr = mach_msg_send_from_kernel_with_options( &thisMsg->msgHdr,
+ thisMsg->msgHdr.msgh_size,
+ (MACH_SEND_MSG | MACH_SEND_ALWAYS | MACH_SEND_IMPORTANCE),
+ 0);
if( thisPort)
iokit_release_port( thisPort );
if( providerPort)
iokit_release_port( providerPort );
- if( KERN_SUCCESS != kr)
- IOLog("%s: mach_msg_send_from_kernel_proper {%x}\n", __FILE__, kr );
+ if (allocMsg)
+ IOFree(allocMsg, thisMsgSize);
+
+ if((KERN_SUCCESS != kr) && !ipcLogged)
+ {
+ ipcLogged = true;
+ IOLog("%s: mach_msg_send_from_kernel_proper (0x%x)\n", __PRETTY_FUNCTION__, kr );
+ }
return( kIOReturnSuccess );
}
#define super IOService
OSDefineMetaClassAndAbstractStructors( IOUserClient, IOService )
+IOLock * gIOUserClientOwnersLock;
+
void IOUserClient::initialize( void )
{
- gIOObjectPortLock = IOLockAlloc();
-
- assert( gIOObjectPortLock );
+ gIOObjectPortLock = IOLockAlloc();
+ gIOUserClientOwnersLock = IOLockAlloc();
+ assert(gIOObjectPortLock && gIOUserClientOwnersLock);
}
void IOUserClient::setAsyncReference(OSAsyncReference asyncRef,
asyncRef[kIOAsyncCalloutRefconIndex] = refcon;
}
+void IOUserClient::setAsyncReference64(OSAsyncReference64 asyncRef,
+ mach_port_t wakePort,
+ mach_vm_address_t callback, io_user_reference_t refcon, task_t task)
+{
+ setAsyncReference64(asyncRef, wakePort, callback, refcon);
+ if (vm_map_is_64bit(get_task_map(task))) {
+ asyncRef[kIOAsyncReservedIndex] |= kIOUCAsync64Flag;
+ }
+}
+
static OSDictionary * CopyConsoleUser(UInt32 uid)
{
OSArray * array;
return user;
}
+static OSDictionary * CopyUserOnConsole(void)
+{
+ OSArray * array;
+ OSDictionary * user = 0;
+
+ if ((array = OSDynamicCast(OSArray,
+ IORegistryEntry::getRegistryRoot()->copyProperty(gIOConsoleUsersKey))))
+ {
+ for (unsigned int idx = 0;
+ (user = OSDynamicCast(OSDictionary, array->getObject(idx)));
+ idx++)
+ {
+ if (kOSBooleanTrue == user->getObject(gIOConsoleSessionOnConsoleKey))
+ {
+ user->retain();
+ break;
+ }
+ }
+ array->release();
+ }
+ return (user);
+}
+
+IOReturn IOUserClient::clientHasAuthorization( task_t task,
+ IOService * service )
+{
+ proc_t p;
+
+ p = (proc_t) get_bsdtask_info(task);
+ if (p)
+ {
+ uint64_t authorizationID;
+
+ authorizationID = proc_uniqueid(p);
+ if (authorizationID)
+ {
+ if (service->getAuthorizationID() == authorizationID)
+ {
+ return (kIOReturnSuccess);
+ }
+ }
+ }
+
+ return (kIOReturnNotPermitted);
+}
+
IOReturn IOUserClient::clientHasPrivilege( void * securityToken,
const char * privilegeName )
{
OSDictionary * user;
bool secureConsole;
+
+ if (!strncmp(privilegeName, kIOClientPrivilegeForeground,
+ sizeof(kIOClientPrivilegeForeground)))
+ {
+ if (task_is_gpu_denied(current_task()))
+ return (kIOReturnNotPrivileged);
+ else
+ return (kIOReturnSuccess);
+ }
+
+ if (!strncmp(privilegeName, kIOClientPrivilegeConsoleSession,
+ sizeof(kIOClientPrivilegeConsoleSession)))
+ {
+ kauth_cred_t cred;
+ proc_t p;
+
+ task = (task_t) securityToken;
+ if (!task)
+ task = current_task();
+ p = (proc_t) get_bsdtask_info(task);
+ kr = kIOReturnNotPrivileged;
+
+ if (p && (cred = kauth_cred_proc_ref(p)))
+ {
+ user = CopyUserOnConsole();
+ if (user)
+ {
+ OSNumber * num;
+ if ((num = OSDynamicCast(OSNumber, user->getObject(gIOConsoleSessionAuditIDKey)))
+ && (cred->cr_audit.as_aia_p->ai_asid == (au_asid_t) num->unsigned32BitValue()))
+ {
+ kr = kIOReturnSuccess;
+ }
+ user->release();
+ }
+ kauth_cred_unref(&cred);
+ }
+ return (kr);
+ }
+
if ((secureConsole = !strncmp(privilegeName, kIOClientPrivilegeSecureConsoleProcess,
sizeof(kIOClientPrivilegeSecureConsoleProcess))))
task = (task_t)((IOUCProcessToken *)securityToken)->token;
else
task = (task_t)securityToken;
-
+
count = TASK_SECURITY_TOKEN_COUNT;
kr = task_info( task, TASK_SECURITY_TOKEN, (task_info_t) &token, &count );
return (kr);
}
+OSObject * IOUserClient::copyClientEntitlement( task_t task,
+ const char * entitlement )
+{
+#define MAX_ENTITLEMENTS_LEN (128 * 1024)
+
+ proc_t p = NULL;
+ pid_t pid = 0;
+ char procname[MAXCOMLEN + 1] = "";
+ size_t len = 0;
+ void *entitlements_blob = NULL;
+ char *entitlements_data = NULL;
+ OSObject *entitlements_obj = NULL;
+ OSDictionary *entitlements = NULL;
+ OSString *errorString = NULL;
+ OSObject *value = NULL;
+
+ p = (proc_t)get_bsdtask_info(task);
+ if (p == NULL)
+ goto fail;
+ pid = proc_pid(p);
+ proc_name(pid, procname, (int)sizeof(procname));
+
+ if (cs_entitlements_blob_get(p, &entitlements_blob, &len) != 0)
+ goto fail;
+
+ if (len <= offsetof(CS_GenericBlob, data))
+ goto fail;
+
+ /*
+ * Per <rdar://problem/11593877>, enforce a limit on the amount of XML
+ * we'll try to parse in the kernel.
+ */
+ len -= offsetof(CS_GenericBlob, data);
+ if (len > MAX_ENTITLEMENTS_LEN) {
+ IOLog("failed to parse entitlements for %s[%u]: %lu bytes of entitlements exceeds maximum of %u\n", procname, pid, len, MAX_ENTITLEMENTS_LEN);
+ goto fail;
+ }
+
+ /*
+ * OSUnserializeXML() expects a nul-terminated string, but that isn't
+ * what is stored in the entitlements blob. Copy the string and
+ * terminate it.
+ */
+ entitlements_data = (char *)IOMalloc(len + 1);
+ if (entitlements_data == NULL)
+ goto fail;
+ memcpy(entitlements_data, ((CS_GenericBlob *)entitlements_blob)->data, len);
+ entitlements_data[len] = '\0';
+
+ entitlements_obj = OSUnserializeXML(entitlements_data, len + 1, &errorString);
+ if (errorString != NULL) {
+ IOLog("failed to parse entitlements for %s[%u]: %s\n", procname, pid, errorString->getCStringNoCopy());
+ goto fail;
+ }
+ if (entitlements_obj == NULL)
+ goto fail;
+
+ entitlements = OSDynamicCast(OSDictionary, entitlements_obj);
+ if (entitlements == NULL)
+ goto fail;
+
+ /* Fetch the entitlement value from the dictionary. */
+ value = entitlements->getObject(entitlement);
+ if (value != NULL)
+ value->retain();
+
+fail:
+ if (entitlements_data != NULL)
+ IOFree(entitlements_data, len + 1);
+ if (entitlements_obj != NULL)
+ entitlements_obj->release();
+ if (errorString != NULL)
+ errorString->release();
+ return value;
+}
+
bool IOUserClient::init()
{
- if( getPropertyTable())
- return true;
- else
- return super::init();
+ if (getPropertyTable() || super::init())
+ return reserve();
+
+ return false;
}
bool IOUserClient::init(OSDictionary * dictionary)
{
- if( getPropertyTable())
- return true;
- else
- return super::init(dictionary);
+ if (getPropertyTable() || super::init(dictionary))
+ return reserve();
+
+ return false;
}
bool IOUserClient::initWithTask(task_t owningTask,
void * securityID,
UInt32 type )
-{
- if( getPropertyTable())
- return true;
- else
- return super::init();
+{
+ if (getPropertyTable() || super::init())
+ return reserve();
+
+ return false;
}
bool IOUserClient::initWithTask(task_t owningTask,
return( ok );
}
+bool IOUserClient::reserve()
+{
+ if(!reserved) {
+ reserved = IONew(ExpansionData, 1);
+ if (!reserved) {
+ return false;
+ }
+ }
+ setTerminateDefer(NULL, true);
+ IOStatisticsRegisterCounter();
+
+ return true;
+}
+
+struct IOUserClientOwner
+{
+ task_t task;
+ queue_chain_t taskLink;
+ IOUserClient * uc;
+ queue_chain_t ucLink;
+};
+
+IOReturn
+IOUserClient::registerOwner(task_t task)
+{
+ IOUserClientOwner * owner;
+ IOReturn ret;
+ bool newOwner;
+
+ IOLockLock(gIOUserClientOwnersLock);
+
+ newOwner = true;
+ ret = kIOReturnSuccess;
+
+ if (!owners.next) queue_init(&owners);
+ else
+ {
+ queue_iterate(&owners, owner, IOUserClientOwner *, ucLink)
+ {
+ if (task != owner->task) continue;
+ newOwner = false;
+ break;
+ }
+ }
+ if (newOwner)
+ {
+ owner = IONew(IOUserClientOwner, 1);
+ if (!newOwner) ret = kIOReturnNoMemory;
+ else
+ {
+ owner->task = task;
+ owner->uc = this;
+ queue_enter_first(&owners, owner, IOUserClientOwner *, ucLink);
+ queue_enter_first(task_io_user_clients(task), owner, IOUserClientOwner *, taskLink);
+ }
+ }
+
+ IOLockUnlock(gIOUserClientOwnersLock);
+
+ return (ret);
+}
+
+void
+IOUserClient::noMoreSenders(void)
+{
+ IOUserClientOwner * owner;
+
+ IOLockLock(gIOUserClientOwnersLock);
+
+ if (owners.next)
+ {
+ while (!queue_empty(&owners))
+ {
+ owner = (IOUserClientOwner *)(void *) queue_first(&owners);
+ queue_remove(task_io_user_clients(owner->task), owner, IOUserClientOwner *, taskLink);
+ queue_remove(&owners, owner, IOUserClientOwner *, ucLink);
+ IODelete(owner, IOUserClientOwner, 1);
+ }
+ owners.next = owners.prev = NULL;
+ }
+
+ IOLockUnlock(gIOUserClientOwnersLock);
+}
+
+extern "C" kern_return_t
+iokit_task_terminate(task_t task)
+{
+ IOUserClientOwner * owner;
+ IOUserClient * dead;
+ IOUserClient * uc;
+ queue_head_t * taskque;
+
+ IOLockLock(gIOUserClientOwnersLock);
+
+ taskque = task_io_user_clients(task);
+ dead = NULL;
+ while (!queue_empty(taskque))
+ {
+ owner = (IOUserClientOwner *)(void *) queue_first(taskque);
+ uc = owner->uc;
+ queue_remove(taskque, owner, IOUserClientOwner *, taskLink);
+ queue_remove(&uc->owners, owner, IOUserClientOwner *, ucLink);
+ if (queue_empty(&uc->owners))
+ {
+ uc->retain();
+ IOLog("destroying out of band connect for %s\n", uc->getName());
+ // now using the uc queue head as a singly linked queue,
+ // leaving .next as NULL to mark it empty
+ uc->owners.next = NULL;
+ uc->owners.prev = (queue_entry_t) dead;
+ dead = uc;
+ }
+ IODelete(owner, IOUserClientOwner, 1);
+ }
+
+ IOLockUnlock(gIOUserClientOwnersLock);
+
+ while (dead)
+ {
+ uc = dead;
+ dead = (IOUserClient *)(void *) dead->owners.prev;
+ uc->owners.prev = NULL;
+ if (uc->sharedInstance || !uc->closed) uc->clientDied();
+ uc->release();
+ }
+
+ return (KERN_SUCCESS);
+}
+
void IOUserClient::free()
{
- if( mappings)
- mappings->release();
+ if( mappings) mappings->release();
+
+ IOStatisticsUnregisterCounter();
+
+ assert(!owners.next);
+ assert(!owners.prev);
+ if (reserved) IODelete(reserved, ExpansionData, 1);
+
super::free();
}
IOReturn IOUserClient::clientDied( void )
{
- return( clientClose());
+ IOReturn ret = kIOReturnNotReady;
+
+ if (sharedInstance || OSCompareAndSwap8(0, 1, &closed))
+ {
+ ret = clientClose();
+ }
+
+ return (ret);
}
IOReturn IOUserClient::clientClose( void )
if( memory && (kIOReturnSuccess == err)) {
+ FAKE_STACK_FRAME(getMetaClass());
+
options = (options & ~kIOMapUserOptionsMask)
| (mapFlags & kIOMapUserOptionsMask);
map = memory->createMappingInTask( task, atAddress, options );
memory->release();
+
+ FAKE_STACK_FRAME_END();
}
return( map );
mach_port_name_t name;
name = IOMachPort::makeSendRightForTask( task, obj, IKOT_IOKIT_OBJECT );
- assert( name );
*(mach_port_name_t *)clientObj = name;
return kIOReturnSuccess;
return( 0 );
}
+IOExternalTrap * IOUserClient::
+getExternalTrapForIndex(UInt32 index)
+{
+ return NULL;
+}
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
+// Suppressing the deprecated-declarations warning. Avoiding the use of deprecated
+// functions can break clients of kexts implementing getExternalMethodForIndex()
IOExternalMethod * IOUserClient::
getTargetAndMethodForIndex(IOService **targetP, UInt32 index)
{
return method;
}
-IOExternalTrap * IOUserClient::
-getExternalTrapForIndex(UInt32 index)
-{
- return NULL;
-}
-
IOExternalTrap * IOUserClient::
getTargetAndTrapForIndex(IOService ** targetP, UInt32 index)
{
return trap;
}
+#pragma clang diagnostic pop
IOReturn IOUserClient::releaseAsyncReference64(OSAsyncReference64 reference)
{
return (sendAsyncResult64(reference64, result, args64, numArgs));
}
+IOReturn IOUserClient::sendAsyncResult64WithOptions(OSAsyncReference64 reference,
+ IOReturn result, io_user_reference_t args[], UInt32 numArgs, IOOptionBits options)
+{
+ return _sendAsyncResult64(reference, result, args, numArgs, options);
+}
+
IOReturn IOUserClient::sendAsyncResult64(OSAsyncReference64 reference,
IOReturn result, io_user_reference_t args[], UInt32 numArgs)
+{
+ return _sendAsyncResult64(reference, result, args, numArgs, 0);
+}
+
+IOReturn IOUserClient::_sendAsyncResult64(OSAsyncReference64 reference,
+ IOReturn result, io_user_reference_t args[], UInt32 numArgs, IOOptionBits options)
{
struct ReplyMsg
{
if (numArgs > kMaxAsyncArgs)
return kIOReturnMessageTooLarge;
+ bzero(&replyMsg, sizeof(replyMsg));
replyMsg.msgHdr.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND /*remote*/,
0 /*local*/);
replyMsg.msgHdr.msgh_remote_port = replyPort;
replyMsg.m.msg32.args[idx] = REF32(args[idx]);
}
- kr = mach_msg_send_from_kernel_proper( &replyMsg.msgHdr,
- replyMsg.msgHdr.msgh_size);
- if( KERN_SUCCESS != kr)
- IOLog("%s: mach_msg_send_from_kernel_proper {%x}\n", __FILE__, kr );
- return kr;
-}
+ if ((options & kIOUserNotifyOptionCanDrop) != 0) {
+ kr = mach_msg_send_from_kernel_with_options( &replyMsg.msgHdr,
+ replyMsg.msgHdr.msgh_size, MACH_SEND_TIMEOUT, MACH_MSG_TIMEOUT_NONE);
+ } else {
+ /* Fail on full queue. */
+ kr = mach_msg_send_from_kernel_proper( &replyMsg.msgHdr,
+ replyMsg.msgHdr.msgh_size);
+ }
+ if ((KERN_SUCCESS != kr) && (MACH_SEND_TIMED_OUT != kr) && !(kIOUCAsyncErrorLoggedFlag & reference[0]))
+ {
+ reference[0] |= kIOUCAsyncErrorLoggedFlag;
+ IOLog("%s: mach_msg_send_from_kernel_proper(0x%x)\n", __PRETTY_FUNCTION__, kr );
+ }
+ return kr;
+}
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+extern "C" {
+
+#define CHECK(cls,obj,out) \
+ cls * out; \
+ if( !(out = OSDynamicCast( cls, obj))) \
+ return( kIOReturnBadArgument )
+
+#define CHECKLOCKED(cls,obj,out) \
+ IOUserIterator * oIter; \
+ cls * out; \
+ if( !(oIter = OSDynamicCast(IOUserIterator, obj))) \
+ return (kIOReturnBadArgument); \
+ if( !(out = OSDynamicCast(cls, oIter->userIteratorObject))) \
+ return (kIOReturnBadArgument)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+// Create a vm_map_copy_t or kalloc'ed data for memory
+// to be copied out. ipc will free after the copyout.
+
+static kern_return_t copyoutkdata( const void * data, vm_size_t len,
+ io_buf_ptr_t * buf )
+{
+ kern_return_t err;
+ vm_map_copy_t copy;
+
+ err = vm_map_copyin( kernel_map, CAST_USER_ADDR_T(data), len,
+ false /* src_destroy */, ©);
+
+ assert( err == KERN_SUCCESS );
+ if( err == KERN_SUCCESS )
+ *buf = (char *) copy;
+ return( err );
+}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-extern "C" {
-
-#define CHECK(cls,obj,out) \
- cls * out; \
- if( !(out = OSDynamicCast( cls, obj))) \
- return( kIOReturnBadArgument )
+/* Routine io_server_version */
+kern_return_t is_io_server_version(
+ mach_port_t master_port,
+ uint64_t *version)
+{
+ *version = IOKIT_SERVER_VERSION;
+ return (kIOReturnSuccess);
+}
/* Routine io_object_get_class */
kern_return_t is_io_object_get_class(
- io_object_t object,
- io_name_t className )
+ io_object_t object,
+ io_name_t className )
{
- const OSMetaClass* my_obj = NULL;
+ const OSMetaClass* my_obj = NULL;
- if( !object)
- return( kIOReturnBadArgument );
+ if( !object)
+ return( kIOReturnBadArgument );
- my_obj = object->getMetaClass();
- if (!my_obj) {
- return (kIOReturnNotFound);
- }
-
+ my_obj = object->getMetaClass();
+ if (!my_obj) {
+ return (kIOReturnNotFound);
+ }
+
strlcpy( className, my_obj->getClassName(), sizeof(io_name_t));
+
return( kIOReturnSuccess );
}
return( kIOReturnBadArgument );
*conforms = (0 != object->metaCast( className ));
+
return( kIOReturnSuccess );
}
io_object_t iterator,
io_object_t *object )
{
+ IOReturn ret;
OSObject * obj;
CHECK( OSIterator, iterator, iter );
if( obj) {
obj->retain();
*object = obj;
- return( kIOReturnSuccess );
+ ret = kIOReturnSuccess;
} else
- return( kIOReturnNoDevice );
+ ret = kIOReturnNoDevice;
+
+ return (ret);
}
/* Routine io_iterator_reset */
return( kIOReturnSuccess );
}
-/* Routine io_service_match_property_table */
-kern_return_t is_io_service_match_property_table(
+
+static kern_return_t internal_io_service_match_property_table(
io_service_t _service,
- io_string_t matching,
- boolean_t *matches )
+ const char * matching,
+ mach_msg_type_number_t matching_size,
+ boolean_t *matches)
{
CHECK( IOService, _service, service );
OSObject * obj;
OSDictionary * dict;
- obj = OSUnserializeXML( matching );
+ assert(matching_size);
+ obj = OSUnserializeXML(matching, matching_size);
if( (dict = OSDynamicCast( OSDictionary, obj))) {
*matches = service->passiveMatch( dict );
return( kr );
}
+/* Routine io_service_match_property_table */
+kern_return_t is_io_service_match_property_table(
+ io_service_t service,
+ io_string_t matching,
+ boolean_t *matches )
+{
+ return (kIOReturnUnsupported);
+}
+
+
/* Routine io_service_match_property_table_ool */
kern_return_t is_io_service_match_property_table_ool(
io_object_t service,
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
- *result = is_io_service_match_property_table( service,
- (char *) data, matches );
+ *result = internal_io_service_match_property_table(service,
+ (const char *)data, matchingCnt, matches );
vm_deallocate( kernel_map, data, matchingCnt );
}
return( kr );
}
-/* Routine io_service_get_matching_services */
-kern_return_t is_io_service_get_matching_services(
+/* Routine io_service_match_property_table_bin */
+kern_return_t is_io_service_match_property_table_bin(
+ io_object_t service,
+ io_struct_inband_t matching,
+ mach_msg_type_number_t matchingCnt,
+ boolean_t *matches)
+{
+ return (internal_io_service_match_property_table(service, matching, matchingCnt, matches));
+}
+
+static kern_return_t internal_io_service_get_matching_services(
mach_port_t master_port,
- io_string_t matching,
+ const char * matching,
+ mach_msg_type_number_t matching_size,
io_iterator_t *existing )
{
kern_return_t kr;
if( master_port != master_device_port)
return( kIOReturnNotPrivileged);
- obj = OSUnserializeXML( matching );
+ assert(matching_size);
+ obj = OSUnserializeXML(matching, matching_size);
if( (dict = OSDynamicCast( OSDictionary, obj))) {
- *existing = IOService::getMatchingServices( dict );
+ *existing = IOUserIterator::withIterator(IOService::getMatchingServices( dict ));
kr = kIOReturnSuccess;
} else
kr = kIOReturnBadArgument;
return( kr );
}
+/* Routine io_service_get_matching_services */
+kern_return_t is_io_service_get_matching_services(
+ mach_port_t master_port,
+ io_string_t matching,
+ io_iterator_t *existing )
+{
+ return (kIOReturnUnsupported);
+}
+
/* Routine io_service_get_matching_services_ool */
kern_return_t is_io_service_get_matching_services_ool(
mach_port_t master_port,
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
- *result = is_io_service_get_matching_services( master_port,
- (char *) data, existing );
+ // and mig will copy out objects on success
+ *existing = 0;
+ *result = internal_io_service_get_matching_services(master_port,
+ (const char *) data, matchingCnt, existing);
+ vm_deallocate( kernel_map, data, matchingCnt );
+ }
+
+ return( kr );
+}
+
+/* Routine io_service_get_matching_services_bin */
+kern_return_t is_io_service_get_matching_services_bin(
+ mach_port_t master_port,
+ io_struct_inband_t matching,
+ mach_msg_type_number_t matchingCnt,
+ io_object_t *existing)
+{
+ return (internal_io_service_get_matching_services(master_port, matching, matchingCnt, existing));
+}
+
+
+static kern_return_t internal_io_service_get_matching_service(
+ mach_port_t master_port,
+ const char * matching,
+ mach_msg_type_number_t matching_size,
+ io_service_t *service )
+{
+ kern_return_t kr;
+ OSObject * obj;
+ OSDictionary * dict;
+
+ if( master_port != master_device_port)
+ return( kIOReturnNotPrivileged);
+
+ assert(matching_size);
+ obj = OSUnserializeXML(matching, matching_size);
+
+ if( (dict = OSDynamicCast( OSDictionary, obj))) {
+ *service = IOService::copyMatchingService( dict );
+ kr = *service ? kIOReturnSuccess : kIOReturnNotFound;
+ } else
+ kr = kIOReturnBadArgument;
+
+ if( obj)
+ obj->release();
+
+ return( kr );
+}
+
+/* Routine io_service_get_matching_service */
+kern_return_t is_io_service_get_matching_service(
+ mach_port_t master_port,
+ io_string_t matching,
+ io_service_t *service )
+{
+ return (kIOReturnUnsupported);
+}
+
+/* Routine io_service_get_matching_services_ool */
+kern_return_t is_io_service_get_matching_service_ool(
+ mach_port_t master_port,
+ io_buf_ptr_t matching,
+ mach_msg_type_number_t matchingCnt,
+ kern_return_t *result,
+ io_object_t *service )
+{
+ 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);
+
+ if( KERN_SUCCESS == kr) {
+ // must return success after vm_map_copyout() succeeds
+ // and mig will copy out objects on success
+ *service = 0;
+ *result = internal_io_service_get_matching_service(master_port,
+ (const char *) data, matchingCnt, service );
vm_deallocate( kernel_map, data, matchingCnt );
}
return( kr );
}
+/* Routine io_service_get_matching_service_bin */
+kern_return_t is_io_service_get_matching_service_bin(
+ mach_port_t master_port,
+ io_struct_inband_t matching,
+ mach_msg_type_number_t matchingCnt,
+ io_object_t *service)
+{
+ return (internal_io_service_get_matching_service(master_port, matching, matchingCnt, service));
+}
+
static kern_return_t internal_io_service_add_notification(
mach_port_t master_port,
io_name_t notification_type,
- io_string_t matching,
+ const char * matching,
+ size_t matching_size,
mach_port_t port,
void * reference,
vm_size_t referenceSize,
IOReturn err;
unsigned long int userMsgType;
-
if( master_port != master_device_port)
return( kIOReturnNotPrivileged);
if( !(sym = OSSymbol::withCString( notification_type )))
err = kIOReturnNoResources;
- if( !(dict = OSDynamicCast( OSDictionary,
- OSUnserializeXML( matching )))) {
+ assert(matching_size);
+ dict = OSDynamicCast(OSDictionary, OSUnserializeXML(matching, matching_size));
+ if (!dict) {
err = kIOReturnBadArgument;
continue;
}
if( userNotify && !userNotify->init( port, userMsgType,
reference, referenceSize, client64)) {
+ iokit_release_port_send(port);
userNotify->release();
userNotify = 0;
}
mach_msg_type_number_t referenceCnt,
io_object_t * notification )
{
- return (internal_io_service_add_notification(master_port, notification_type,
- matching, port, &reference[0], sizeof(io_async_ref_t),
- false, notification));
+ return (kIOReturnUnsupported);
}
/* Routine io_service_add_notification_64 */
io_async_ref64_t reference,
mach_msg_type_number_t referenceCnt,
io_object_t *notification )
+{
+ return (kIOReturnUnsupported);
+}
+
+/* Routine io_service_add_notification_bin */
+kern_return_t is_io_service_add_notification_bin
+(
+ mach_port_t master_port,
+ io_name_t notification_type,
+ io_struct_inband_t matching,
+ mach_msg_type_number_t matchingCnt,
+ mach_port_t wake_port,
+ io_async_ref_t reference,
+ mach_msg_type_number_t referenceCnt,
+ io_object_t *notification)
{
return (internal_io_service_add_notification(master_port, notification_type,
- matching, wake_port, &reference[0], sizeof(io_async_ref64_t),
- true, notification));
+ matching, matchingCnt, wake_port, &reference[0], sizeof(io_async_ref_t),
+ false, notification));
}
+/* Routine io_service_add_notification_bin_64 */
+kern_return_t is_io_service_add_notification_bin_64
+(
+ mach_port_t master_port,
+ io_name_t notification_type,
+ io_struct_inband_t matching,
+ mach_msg_type_number_t matchingCnt,
+ mach_port_t wake_port,
+ io_async_ref64_t reference,
+ mach_msg_type_number_t referenceCnt,
+ io_object_t *notification)
+{
+ return (internal_io_service_add_notification(master_port, notification_type,
+ matching, matchingCnt, wake_port, &reference[0], sizeof(io_async_ref64_t),
+ true, notification));
+}
static kern_return_t internal_io_service_add_notification_ool(
mach_port_t master_port,
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
+ // and mig will copy out objects on success
+ *notification = 0;
*result = internal_io_service_add_notification( master_port, notification_type,
- (char *) data, wake_port, reference, referenceSize, client64, notification );
+ (char *) data, matchingCnt, wake_port, reference, referenceSize, client64, notification );
vm_deallocate( kernel_map, data, matchingCnt );
}
reference, referenceSize,
kIOUserNotifyMaxMessageSize,
client64 )) {
+ iokit_release_port_send(port);
userNotify->release();
userNotify = 0;
}
{
CHECK( IOService, _service, service );
- return( service->acknowledgeNotification( (IONotificationRef) notify_ref,
+ return( service->acknowledgeNotification( (IONotificationRef)(uintptr_t) notify_ref,
(IOOptionBits) response ));
}
{
CHECK( IOUserClient, connection, client );
+ IOStatisticsClientCall();
return( client->getNotificationSemaphore( (UInt32) notification_type,
semaphore ));
}
if( master_port != master_device_port)
return( kIOReturnNotPrivileged);
- *iterator = IORegistryIterator::iterateOver(
- IORegistryEntry::getPlane( plane ), options );
+ *iterator = IOUserIterator::withIterator(
+ IORegistryIterator::iterateOver(
+ IORegistryEntry::getPlane( plane ), options ));
return( *iterator ? kIOReturnSuccess : kIOReturnBadArgument );
}
{
CHECK( IORegistryEntry, registry_entry, entry );
- *iterator = IORegistryIterator::iterateOver( entry,
- IORegistryEntry::getPlane( plane ), options );
+ *iterator = IOUserIterator::withIterator(
+ IORegistryIterator::iterateOver( entry,
+ IORegistryEntry::getPlane( plane ), options ));
return( *iterator ? kIOReturnSuccess : kIOReturnBadArgument );
}
kern_return_t is_io_registry_iterator_enter_entry(
io_object_t iterator )
{
- CHECK( IORegistryIterator, iterator, iter );
+ CHECKLOCKED( IORegistryIterator, iterator, iter );
+ IOLockLock(oIter->lock);
iter->enterEntry();
+ IOLockUnlock(oIter->lock);
return( kIOReturnSuccess );
}
{
bool didIt;
- CHECK( IORegistryIterator, iterator, iter );
+ CHECKLOCKED( IORegistryIterator, iterator, iter );
+ IOLockLock(oIter->lock);
didIt = iter->exitEntry();
+ IOLockUnlock(oIter->lock);
return( didIt ? kIOReturnSuccess : kIOReturnNoDevice );
}
return( kIOReturnSuccess );
}
+
+/* Routine io_registry_entry_from_path */
+kern_return_t is_io_registry_entry_from_path_ool(
+ mach_port_t master_port,
+ io_string_inband_t path,
+ io_buf_ptr_t path_ool,
+ mach_msg_type_number_t path_oolCnt,
+ kern_return_t *result,
+ io_object_t *registry_entry)
+{
+ IORegistryEntry * entry;
+ vm_map_offset_t map_data;
+ const char * cpath;
+ IOReturn res;
+ kern_return_t err;
+
+ if (master_port != master_device_port) return(kIOReturnNotPrivileged);
+
+ map_data = 0;
+ entry = 0;
+ res = err = KERN_SUCCESS;
+ if (path[0]) cpath = path;
+ else
+ {
+ if (!path_oolCnt) return(kIOReturnBadArgument);
+ if (path_oolCnt > (sizeof(io_struct_inband_t) * 1024)) return(kIOReturnMessageTooLarge);
+
+ err = vm_map_copyout(kernel_map, &map_data, (vm_map_copy_t) path_ool);
+ if (KERN_SUCCESS == err)
+ {
+ // must return success to mig after vm_map_copyout() succeeds, so result is actual
+ cpath = CAST_DOWN(const char *, map_data);
+ if (cpath[path_oolCnt - 1]) res = kIOReturnBadArgument;
+ }
+ }
+
+ if ((KERN_SUCCESS == err) && (KERN_SUCCESS == res))
+ {
+ entry = IORegistryEntry::fromPath(cpath);
+ res = entry ? kIOReturnSuccess : kIOReturnNotFound;
+ }
+
+ if (map_data) vm_deallocate(kernel_map, map_data, path_oolCnt);
+
+ if (KERN_SUCCESS != err) res = err;
+ *registry_entry = entry;
+ *result = res;
+
+ return (err);
+}
+
+
/* Routine io_registry_entry_in_plane */
kern_return_t is_io_registry_entry_in_plane(
io_object_t registry_entry,
return( kIOReturnBadArgument );
}
+/* Routine io_registry_entry_get_path */
+kern_return_t is_io_registry_entry_get_path_ool(
+ io_object_t registry_entry,
+ io_name_t plane,
+ io_string_inband_t path,
+ io_buf_ptr_t *path_ool,
+ mach_msg_type_number_t *path_oolCnt)
+{
+ enum { kMaxPath = 16384 };
+ IOReturn err;
+ int length;
+ char * buf;
+
+ CHECK( IORegistryEntry, registry_entry, entry );
+
+ *path_ool = NULL;
+ *path_oolCnt = 0;
+ length = sizeof(io_string_inband_t);
+ if (entry->getPath(path, &length, IORegistryEntry::getPlane(plane))) err = kIOReturnSuccess;
+ else
+ {
+ length = kMaxPath;
+ buf = IONew(char, length);
+ if (!buf) err = kIOReturnNoMemory;
+ else if (!entry->getPath(buf, &length, IORegistryEntry::getPlane(plane))) err = kIOReturnError;
+ else
+ {
+ *path_oolCnt = length;
+ err = copyoutkdata(buf, length, path_ool);
+ }
+ if (buf) IODelete(buf, char, kMaxPath);
+ }
+
+ return (err);
+}
+
/* Routine io_registry_entry_get_name */
kern_return_t is_io_registry_entry_get_name(
return (kIOReturnSuccess);
}
-// Create a vm_map_copy_t or kalloc'ed data for memory
-// to be copied out. ipc will free after the copyout.
-
-static kern_return_t copyoutkdata( void * data, vm_size_t len,
- io_buf_ptr_t * buf )
-{
- kern_return_t err;
- vm_map_copy_t copy;
-
- err = vm_map_copyin( kernel_map, CAST_USER_ADDR_T(data), len,
- false /* src_destroy */, ©);
-
- assert( err == KERN_SUCCESS );
- if( err == KERN_SUCCESS )
- *buf = (char *) copy;
-
- return( err );
-}
-
/* Routine io_registry_entry_get_property */
kern_return_t is_io_registry_entry_get_property_bytes(
io_object_t registry_entry,
CHECK( IORegistryEntry, registry_entry, entry );
+#if CONFIG_MACF
+ if (0 != mac_iokit_check_get_property(kauth_cred_get(), entry, property_name))
+ return kIOReturnNotPermitted;
+#endif
+
obj = entry->copyProperty(property_name);
if( !obj)
return( kIOReturnNoResources );
if( (data = OSDynamicCast( OSData, obj ))) {
len = data->getLength();
bytes = data->getBytesNoCopy();
+ if (!data->isSerializable()) len = 0;
} else if( (str = OSDynamicCast( OSString, obj ))) {
len = str->getLength() + 1;
} else if( (off = OSDynamicCast( OSNumber, obj ))) {
offsetBytes = off->unsigned64BitValue();
len = off->numberOfBytes();
+ if (len > sizeof(offsetBytes)) len = sizeof(offsetBytes);
bytes = &offsetBytes;
#ifdef __BIG_ENDIAN__
bytes = (const void *)
CHECK( IORegistryEntry, registry_entry, entry );
+#if CONFIG_MACF
+ if (0 != mac_iokit_check_get_property(kauth_cred_get(), entry, property_name))
+ return kIOReturnNotPermitted;
+#endif
+
obj = entry->copyProperty(property_name);
if( !obj)
return( kIOReturnNotFound );
obj->release();
return( kIOReturnNoMemory );
}
- s->clearText();
if( obj->serialize( s )) {
len = s->getLength();
CHECK( IORegistryEntry, registry_entry, entry );
+#if CONFIG_MACF
+ if (0 != mac_iokit_check_get_property(kauth_cred_get(), entry, property_name))
+ return kIOReturnNotPermitted;
+#endif
+
obj = entry->copyProperty( property_name,
- IORegistryEntry::getPlane( plane ), options);
+ IORegistryEntry::getPlane( plane ), options );
if( !obj)
return( kIOReturnNotFound );
return( kIOReturnNoMemory );
}
- s->clearText();
+ if( obj->serialize( s )) {
+ len = s->getLength();
+ *propertiesCnt = len;
+ err = copyoutkdata( s->text(), len, properties );
+
+ } else
+ err = kIOReturnUnsupported;
+
+ s->release();
+ obj->release();
+
+ return( err );
+}
+
+/* Routine io_registry_entry_get_properties */
+kern_return_t is_io_registry_entry_get_properties(
+ io_object_t registry_entry,
+ io_buf_ptr_t *properties,
+ mach_msg_type_number_t *propertiesCnt )
+{
+ return (kIOReturnUnsupported);
+}
+
+#if CONFIG_MACF
+
+struct GetPropertiesEditorRef
+{
+ kauth_cred_t cred;
+ IORegistryEntry * entry;
+ OSCollection * root;
+};
+
+static const OSMetaClassBase *
+GetPropertiesEditor(void * reference,
+ OSSerialize * s,
+ OSCollection * container,
+ const OSSymbol * name,
+ const OSMetaClassBase * value)
+{
+ GetPropertiesEditorRef * ref = (typeof(ref)) reference;
+
+ if (!ref->root) ref->root = container;
+ if (ref->root == container)
+ {
+ if (0 != mac_iokit_check_get_property(ref->cred, ref->entry, name->getCStringNoCopy()))
+ {
+ value = 0;
+ }
+ }
+ if (value) value->retain();
+ return (value);
+}
+
+#endif /* CONFIG_MACF */
+
+/* Routine io_registry_entry_get_properties */
+kern_return_t is_io_registry_entry_get_properties_bin(
+ io_object_t registry_entry,
+ io_buf_ptr_t *properties,
+ mach_msg_type_number_t *propertiesCnt)
+{
+ kern_return_t err = kIOReturnSuccess;
+ vm_size_t len;
+ OSSerialize * s;
+ OSSerialize::Editor editor = 0;
+ void * editRef = 0;
+
+ CHECK(IORegistryEntry, registry_entry, entry);
+
+#if CONFIG_MACF
+ GetPropertiesEditorRef ref;
+ if (mac_iokit_check_filter_properties(kauth_cred_get(), entry))
+ {
+ editor = &GetPropertiesEditor;
+ editRef = &ref;
+ ref.cred = kauth_cred_get();
+ ref.entry = entry;
+ ref.root = 0;
+ }
+#endif
+
+ s = OSSerialize::binaryWithCapacity(4096, editor, editRef);
+ if (!s) return (kIOReturnNoMemory);
- if( obj->serialize( s )) {
+ if (!entry->serializeProperties(s)) err = kIOReturnUnsupported;
+
+ if (kIOReturnSuccess == err)
+ {
len = s->getLength();
*propertiesCnt = len;
- err = copyoutkdata( s->text(), len, properties );
-
- } else
- err = kIOReturnUnsupported;
-
+ err = copyoutkdata(s->text(), len, properties);
+ }
s->release();
- obj->release();
- return( err );
+ return (err);
}
-/* Routine io_registry_entry_get_properties */
-kern_return_t is_io_registry_entry_get_properties(
+/* Routine io_registry_entry_get_property_bin */
+kern_return_t is_io_registry_entry_get_property_bin(
io_object_t registry_entry,
+ io_name_t plane,
+ io_name_t property_name,
+ uint32_t options,
io_buf_ptr_t *properties,
mach_msg_type_number_t *propertiesCnt )
{
kern_return_t err;
vm_size_t len;
+ OSObject * obj;
+ const OSSymbol * sym;
CHECK( IORegistryEntry, registry_entry, entry );
- OSSerialize * s = OSSerialize::withCapacity(4096);
- if( !s)
- return( kIOReturnNoMemory );
+#if CONFIG_MACF
+ if (0 != mac_iokit_check_get_property(kauth_cred_get(), entry, property_name))
+ return kIOReturnNotPermitted;
+#endif
+
+ sym = OSSymbol::withCString(property_name);
+ if (!sym) return (kIOReturnNoMemory);
+
+ if (gIORegistryEntryPropertyKeysKey == sym)
+ {
+ obj = entry->copyPropertyKeys();
+ }
+ else
+ {
+ if ((kIORegistryIterateRecursively & options) && plane[0])
+ {
+ obj = entry->copyProperty(property_name,
+ IORegistryEntry::getPlane(plane), options );
+ }
+ else
+ {
+ obj = entry->copyProperty(property_name);
+ }
+ if (obj && gIORemoveOnReadProperties->containsObject(sym)) entry->removeProperty(sym);
+ }
+
+ sym->release();
+ if (!obj) return (kIOReturnNotFound);
- s->clearText();
+ OSSerialize * s = OSSerialize::binaryWithCapacity(4096);
+ if( !s) {
+ obj->release();
+ return( kIOReturnNoMemory );
+ }
- if( entry->serializeProperties( s )) {
+ if( obj->serialize( s )) {
len = s->getLength();
*propertiesCnt = len;
err = copyoutkdata( s->text(), len, properties );
- } else
- err = kIOReturnUnsupported;
+ } else err = kIOReturnUnsupported;
s->release();
+ obj->release();
return( err );
}
+
/* Routine io_registry_entry_set_properties */
kern_return_t is_io_registry_entry_set_properties
(
CHECK( IORegistryEntry, registry_entry, entry );
+ if( propertiesCnt > sizeof(io_struct_inband_t) * 1024)
+ return( kIOReturnMessageTooLarge);
+
err = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t) properties );
data = CAST_DOWN(vm_offset_t, map_data);
if( KERN_SUCCESS == err) {
+ FAKE_STACK_FRAME(entry->getMetaClass());
+
// must return success after vm_map_copyout() succeeds
- obj = OSUnserializeXML( (const char *) data );
+ obj = OSUnserializeXML( (const char *) data, propertiesCnt );
vm_deallocate( kernel_map, data, propertiesCnt );
- if( obj) {
- res = entry->setProperties( obj );
- obj->release();
- } else
- res = kIOReturnBadArgument;
+ if (!obj)
+ res = kIOReturnBadArgument;
+#if CONFIG_MACF
+ else if (0 != mac_iokit_check_set_properties(kauth_cred_get(),
+ registry_entry, obj))
+ {
+ res = kIOReturnNotPermitted;
+ }
+#endif
+ else
+ {
+ res = entry->setProperties( obj );
+ }
+
+ if (obj)
+ obj->release();
+
+ FAKE_STACK_FRAME_END();
+
} else
res = err;
CHECK( IORegistryEntry, registry_entry, entry );
*iterator = entry->getChildIterator(
- IORegistryEntry::getPlane( plane ));
+ IORegistryEntry::getPlane( plane ));
return( kIOReturnSuccess );
}
return( service->requestProbe( options ));
}
-
-/* Routine io_service_open */
-kern_return_t is_io_service_open(
+/* Routine io_service_get_authorization_id */
+kern_return_t is_io_service_get_authorization_id(
io_object_t _service,
- task_t owningTask,
- uint32_t connect_type,
- io_object_t *connection )
+ uint64_t *authorization_id )
{
- IOUserClient * client;
- IOReturn err;
+ kern_return_t kr;
CHECK( IOService, _service, service );
- err = service->newUserClient( owningTask, (void *) owningTask,
- connect_type, 0, &client );
+ kr = IOUserClient::clientHasPrivilege( (void *) current_task(),
+ kIOClientPrivilegeAdministrator );
+ if( kIOReturnSuccess != kr)
+ return( kr );
- if( err == kIOReturnSuccess) {
- assert( OSDynamicCast(IOUserClient, client) );
- *connection = client;
- }
+ *authorization_id = service->getAuthorizationID();
- return( err);
+ return( kr );
+}
+
+/* Routine io_service_set_authorization_id */
+kern_return_t is_io_service_set_authorization_id(
+ io_object_t _service,
+ uint64_t authorization_id )
+{
+ CHECK( IOService, _service, service );
+
+ return( service->setAuthorizationID( authorization_id ) );
}
/* Routine io_service_open_ndr */
CHECK( IOService, _service, service );
+ if (!owningTask) return (kIOReturnBadArgument);
+ assert(owningTask == current_task());
+ if (owningTask != current_task()) return (kIOReturnBadArgument);
+
do
{
- if (properties)
+ if (properties) return (kIOReturnUnsupported);
+#if 0
{
OSObject * obj;
vm_offset_t data;
vm_map_offset_t map_data;
+ if( propertiesCnt > sizeof(io_struct_inband_t))
+ return( kIOReturnMessageTooLarge);
+
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 );
+ obj = OSUnserializeXML( (const char *) data, propertiesCnt );
vm_deallocate( kernel_map, data, propertiesCnt );
propertiesDict = OSDynamicCast(OSDictionary, obj);
if (!propertiesDict)
if (kIOReturnSuccess != res)
break;
}
-
+#endif
crossEndian = (ndr.int_rep != NDR_record.int_rep);
if (crossEndian)
{
{
assert( OSDynamicCast(IOUserClient, client) );
+ client->sharedInstance = (0 != client->getProperty(kIOUserClientSharedInstanceKey));
+ client->closed = false;
+
disallowAccess = (crossEndian
&& (kOSBooleanTrue != service->getProperty(kIOUserClientCrossEndianCompatibleKey))
&& (kOSBooleanTrue != client->getProperty(kIOUserClientCrossEndianCompatibleKey)));
+ if (disallowAccess) res = kIOReturnUnsupported;
+#if CONFIG_MACF
+ else if (0 != mac_iokit_check_open(kauth_cred_get(), client, connect_type))
+ res = kIOReturnNotPermitted;
+#endif
+
+ if (kIOReturnSuccess == res) res = client->registerOwner(owningTask);
- if (disallowAccess)
+ if (kIOReturnSuccess != res)
{
+ IOStatisticsClientCall();
client->clientClose();
client->release();
client = 0;
- res = kIOReturnUnsupported;
break;
}
- client->sharedInstance = (0 != client->getProperty(kIOUserClientSharedInstanceKey));
OSString * creatorName = IOCopyLogNameForPID(proc_selfpid());
if (creatorName)
{
client->setProperty(kIOUserClientCreatorKey, creatorName);
creatorName->release();
}
+ client->setTerminateDefer(service, false);
}
}
while (false);
CHECK( IOUserClient, connection, client );
- client->clientClose();
+ IOStatisticsClientCall();
+
+ if (client->sharedInstance || OSCompareAndSwap8(0, 1, &client->closed))
+ {
+ client->clientClose();
+ }
+ else
+ {
+ IOLog("ignored is_io_service_close(0x%qx,%s)\n",
+ client->getRegistryEntryID(), client->getName());
+ }
return( kIOReturnSuccess );
}
{
CHECK( IOUserClient, connection, client );
+ IOStatisticsClientCall();
return( client->registerNotificationPort( port, notification_type,
(io_user_reference_t) reference ));
}
{
CHECK( IOUserClient, connection, client );
+ IOStatisticsClientCall();
return( client->registerNotificationPort( port, notification_type,
reference ));
}
CHECK( IOUserClient, connection, client );
+ if (!into_task) return (kIOReturnBadArgument);
+
+ IOStatisticsClientCall();
map = client->mapClientMemory64( memory_type, into_task, flags, *address );
if( map) {
mach_port_name_t name __unused =
IOMachPort::makeSendRightForTask(
into_task, map, IKOT_IOKIT_OBJECT );
- assert( name );
} else {
// keep it with the user client
io_object_t connect,
uint32_t type,
task_t task,
- vm_address_t * mapAddr,
- vm_size_t * mapSize,
+ uint32_t * mapAddr,
+ uint32_t * mapSize,
uint32_t flags )
{
IOReturn err;
return (err);
}
+} /* extern "C" */
+
IOMemoryMap * IOUserClient::removeMappingForDescriptor(IOMemoryDescriptor * mem)
{
OSIterator * iter;
return (map);
}
+extern "C" {
+
/* Routine io_connect_unmap_memory_from_task */
kern_return_t is_io_connect_unmap_memory_from_task
(
CHECK( IOUserClient, connection, client );
+ if (!from_task) return (kIOReturnBadArgument);
+
+ IOStatisticsClientCall();
err = client->clientMemoryForType( (UInt32) memory_type, &options, &memory );
if( memory && (kIOReturnSuccess == err)) {
io_object_t connect,
uint32_t type,
task_t task,
- vm_address_t mapAddr )
+ uint32_t mapAddr )
{
IOReturn err;
mach_vm_address_t address;
CHECK( IOUserClient, connection, client );
CHECK( IOUserClient, connect_to, to );
+ IOStatisticsClientCall();
return( client->connectClient( to ) );
}
return( is_io_registry_entry_set_properties( connection, properties, propertiesCnt, result ));
}
-
/* Routine io_user_client_method */
-kern_return_t is_io_connect_method
+kern_return_t is_io_connect_method_var_output
(
io_connect_t connection,
uint32_t selector,
mach_msg_type_number_t inband_inputCnt,
mach_vm_address_t ool_input,
mach_vm_size_t ool_input_size,
+ io_struct_inband_t inband_output,
+ mach_msg_type_number_t *inband_outputCnt,
io_scalar_inband64_t scalar_output,
mach_msg_type_number_t *scalar_outputCnt,
+ io_buf_ptr_t *var_output,
+ mach_msg_type_number_t *var_outputCnt
+)
+{
+ CHECK( IOUserClient, connection, client );
+
+ IOExternalMethodArguments args;
+ IOReturn ret;
+ IOMemoryDescriptor * inputMD = 0;
+ OSObject * structureVariableOutputData = 0;
+
+ bzero(&args.__reserved[0], sizeof(args.__reserved));
+ args.__reservedA = 0;
+ args.version = kIOExternalMethodArgumentsCurrentVersion;
+
+ args.selector = selector;
+
+ args.asyncWakePort = MACH_PORT_NULL;
+ args.asyncReference = 0;
+ args.asyncReferenceCount = 0;
+ args.structureVariableOutputData = &structureVariableOutputData;
+
+ args.scalarInput = scalar_input;
+ args.scalarInputCount = scalar_inputCnt;
+ args.structureInput = inband_input;
+ args.structureInputSize = inband_inputCnt;
+
+ if (ool_input)
+ inputMD = IOMemoryDescriptor::withAddressRange(ool_input, ool_input_size,
+ kIODirectionOut | kIOMemoryMapCopyOnWrite,
+ current_task());
+
+ args.structureInputDescriptor = inputMD;
+
+ args.scalarOutput = scalar_output;
+ args.scalarOutputCount = *scalar_outputCnt;
+ bzero(&scalar_output[0], *scalar_outputCnt * sizeof(scalar_output[0]));
+ args.structureOutput = inband_output;
+ args.structureOutputSize = *inband_outputCnt;
+ args.structureOutputDescriptor = NULL;
+ args.structureOutputDescriptorSize = 0;
+
+ IOStatisticsClientCall();
+ ret = client->externalMethod( selector, &args );
+
+ *scalar_outputCnt = args.scalarOutputCount;
+ *inband_outputCnt = args.structureOutputSize;
+
+ if (var_outputCnt && var_output && (kIOReturnSuccess == ret))
+ {
+ OSSerialize * serialize;
+ OSData * data;
+ vm_size_t len;
+
+ if ((serialize = OSDynamicCast(OSSerialize, structureVariableOutputData)))
+ {
+ len = serialize->getLength();
+ *var_outputCnt = len;
+ ret = copyoutkdata(serialize->text(), len, var_output);
+ }
+ else if ((data = OSDynamicCast(OSData, structureVariableOutputData)))
+ {
+ len = data->getLength();
+ *var_outputCnt = len;
+ ret = copyoutkdata(data->getBytesNoCopy(), len, var_output);
+ }
+ else
+ {
+ ret = kIOReturnUnderrun;
+ }
+ }
+
+ if (inputMD)
+ inputMD->release();
+ if (structureVariableOutputData)
+ structureVariableOutputData->release();
+
+ return (ret);
+}
+
+/* Routine io_user_client_method */
+kern_return_t is_io_connect_method
+(
+ io_connect_t connection,
+ uint32_t selector,
+ io_scalar_inband64_t scalar_input,
+ mach_msg_type_number_t scalar_inputCnt,
+ io_struct_inband_t inband_input,
+ mach_msg_type_number_t inband_inputCnt,
+ mach_vm_address_t ool_input,
+ mach_vm_size_t ool_input_size,
io_struct_inband_t inband_output,
mach_msg_type_number_t *inband_outputCnt,
+ io_scalar_inband64_t scalar_output,
+ mach_msg_type_number_t *scalar_outputCnt,
mach_vm_address_t ool_output,
- mach_vm_size_t * ool_output_size
+ mach_vm_size_t *ool_output_size
)
{
CHECK( IOUserClient, connection, client );
IOMemoryDescriptor * outputMD = 0;
bzero(&args.__reserved[0], sizeof(args.__reserved));
+ args.__reservedA = 0;
args.version = kIOExternalMethodArgumentsCurrentVersion;
args.selector = selector;
- args.asyncWakePort = MACH_PORT_NULL;
- args.asyncReference = 0;
- args.asyncReferenceCount = 0;
+ args.asyncWakePort = MACH_PORT_NULL;
+ args.asyncReference = 0;
+ args.asyncReferenceCount = 0;
+ args.structureVariableOutputData = 0;
args.scalarInput = scalar_input;
args.scalarInputCount = scalar_inputCnt;
if (ool_input)
inputMD = IOMemoryDescriptor::withAddressRange(ool_input, ool_input_size,
- kIODirectionOut, current_task());
+ kIODirectionOut | kIOMemoryMapCopyOnWrite,
+ current_task());
args.structureInputDescriptor = inputMD;
args.scalarOutput = scalar_output;
args.scalarOutputCount = *scalar_outputCnt;
+ bzero(&scalar_output[0], *scalar_outputCnt * sizeof(scalar_output[0]));
args.structureOutput = inband_output;
args.structureOutputSize = *inband_outputCnt;
- if (ool_output)
+ if (ool_output && ool_output_size)
{
outputMD = IOMemoryDescriptor::withAddressRange(ool_output, *ool_output_size,
kIODirectionIn, current_task());
}
args.structureOutputDescriptor = outputMD;
- args.structureOutputDescriptorSize = *ool_output_size;
+ args.structureOutputDescriptorSize = ool_output_size ? *ool_output_size : 0;
+ IOStatisticsClientCall();
ret = client->externalMethod( selector, &args );
*scalar_outputCnt = args.scalarOutputCount;
mach_msg_type_number_t inband_inputCnt,
mach_vm_address_t ool_input,
mach_vm_size_t ool_input_size,
- io_scalar_inband64_t scalar_output,
- mach_msg_type_number_t *scalar_outputCnt,
io_struct_inband_t inband_output,
mach_msg_type_number_t *inband_outputCnt,
+ io_scalar_inband64_t scalar_output,
+ mach_msg_type_number_t *scalar_outputCnt,
mach_vm_address_t ool_output,
mach_vm_size_t * ool_output_size
)
IOMemoryDescriptor * outputMD = 0;
bzero(&args.__reserved[0], sizeof(args.__reserved));
+ args.__reservedA = 0;
args.version = kIOExternalMethodArgumentsCurrentVersion;
reference[0] = (io_user_reference_t) wake_port;
if (ool_input)
inputMD = IOMemoryDescriptor::withAddressRange(ool_input, ool_input_size,
- kIODirectionOut, current_task());
+ kIODirectionOut | kIOMemoryMapCopyOnWrite,
+ current_task());
args.structureInputDescriptor = inputMD;
args.scalarOutput = scalar_output;
args.scalarOutputCount = *scalar_outputCnt;
+ bzero(&scalar_output[0], *scalar_outputCnt * sizeof(scalar_output[0]));
args.structureOutput = inband_output;
args.structureOutputSize = *inband_outputCnt;
args.structureOutputDescriptor = outputMD;
args.structureOutputDescriptorSize = *ool_output_size;
+ IOStatisticsClientCall();
ret = client->externalMethod( selector, &args );
*inband_outputCnt = args.structureOutputSize;
mach_msg_type_number_t struct_outputCnt = 0;
mach_vm_size_t ool_output_size = 0;
+ bzero(&_output[0], sizeof(_output));
for (i = 0; i < inputCount; i++)
_input[i] = SCALAR64(input[i]);
_input, inputCount,
NULL, 0,
0, 0,
- _output, outputCount,
NULL, &struct_outputCnt,
+ _output, outputCount,
0, &ool_output_size);
for (i = 0; i < *outputCount; i++)
IOReturn err;
err = kIOReturnBadArgument;
+ bzero(&_output[0], sizeof(_output));
do {
if( inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( *outputCount != method->count1)
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
io_scalar_inband64_t _output;
io_async_ref64_t _reference;
+ bzero(&_output[0], sizeof(_output));
for (i = 0; i < referenceCnt; i++)
_reference[i] = REF64(reference[i]);
_input, inputCount,
NULL, 0,
0, 0,
- _output, outputCount,
NULL, &struct_outputCnt,
+ _output, outputCount,
0, &ool_output_size);
for (i = 0; i < *outputCount; i++)
_input, inputCount,
NULL, 0,
0, 0,
- NULL, &scalar_outputCnt,
output, outputCount,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
_input, inputCount,
inputStruct, inputStructCount,
0, 0,
- NULL, &scalar_outputCnt,
NULL, &inband_outputCnt,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
NULL, 0,
input, inputCount,
0, 0,
- NULL, &scalar_outputCnt,
output, outputCount,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
IOReturn err;
io_async_ref_t reference;
+ bzero(&_output[0], sizeof(_output));
for (i = 0; i < asyncReferenceCount; i++)
reference[i] = REF32(asyncReference[i]);
if( inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( *outputCount != method->count1)
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
_input, inputCount,
NULL, 0,
0, 0,
- NULL, &scalar_outputCnt,
output, outputCount,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
do {
if( inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (*outputCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
do {
if( inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (*outputCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
_input, inputCount,
inputStruct, inputStructCount,
0, 0,
- NULL, &scalar_outputCnt,
NULL, &inband_outputCnt,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
do
{
- if( (kIOUCVariableStructureSize != method->count0)
- && (inputCount != method->count0))
+ if (inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (inputStructCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputStructCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputStructCount, uint64_t, (uint64_t)method->count1);
continue;
}
case 4:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]), (void *) input[2],
ARG32(input[3]),
- inputStruct, (void *)inputStructCount );
+ inputStruct, (void *)(uintptr_t)inputStructCount );
break;
case 3:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0 );
break;
case 2:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0 );
break;
case 1:
err = (object->*func)( ARG32(input[0]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0, 0 );
break;
case 0:
- err = (object->*func)( inputStruct, (void *)inputStructCount,
+ err = (object->*func)( inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0, 0, 0 );
break;
do
{
- if( (kIOUCVariableStructureSize != method->count0)
- && (inputCount != method->count0))
+ if (inputCount != method->count0)
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (inputStructCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputStructCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputStructCount, uint64_t, (uint64_t)method->count1);
continue;
}
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
ARG32(input[3]),
- inputStruct, (void *)inputStructCount );
+ inputStruct, (void *)(uintptr_t)inputStructCount );
break;
case 3:
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0 );
break;
case 2:
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0 );
break;
case 1:
err = (object->*func)( reference,
ARG32(input[0]),
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0, 0 );
break;
case 0:
err = (object->*func)( reference,
- inputStruct, (void *)inputStructCount,
+ inputStruct, (void *)(uintptr_t)inputStructCount,
0, 0, 0, 0 );
break;
NULL, 0,
input, inputCount,
0, 0,
- NULL, &scalar_outputCnt,
output, outputCount,
+ NULL, &scalar_outputCnt,
0, &ool_output_size));
}
if( (kIOUCVariableStructureSize != method->count0)
&& (inputCount != method->count0))
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (*outputCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
if( method->count1) {
if( method->count0) {
err = (object->*func)( input, output,
- (void *)inputCount, outputCount, 0, 0 );
+ (void *)(uintptr_t)inputCount, outputCount, 0, 0 );
} else {
err = (object->*func)( output, outputCount, 0, 0, 0, 0 );
}
} else {
- err = (object->*func)( input, (void *)inputCount, 0, 0, 0, 0 );
+ err = (object->*func)( input, (void *)(uintptr_t)inputCount, 0, 0, 0, 0 );
}
}
while( false);
if( (kIOUCVariableStructureSize != method->count0)
&& (inputCount != method->count0))
{
- IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient inputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)inputCount, (uint64_t)method->count0, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)inputCount, uint64_t, (uint64_t)method->count0);
continue;
}
if( (kIOUCVariableStructureSize != method->count1)
&& (*outputCount != method->count1))
{
- IOLog("%s: IOUserClient outputCount count mismatch\n", object->getName());
+ IOLog("%s:%d %s: IOUserClient outputCount count mismatch 0x%llx 0x%llx 0x%llx\n", __FUNCTION__, __LINE__, object->getName(), (uint64_t)*outputCount, (uint64_t)method->count1, (uint64_t)kIOUCVariableStructureSize);
+ DTRACE_IO2(iokit_count_mismatch, uint64_t, (uint64_t)*outputCount, uint64_t, (uint64_t)method->count1);
continue;
}
if( method->count0) {
err = (object->*func)( reference,
input, output,
- (void *)inputCount, outputCount, 0, 0 );
+ (void *)(uintptr_t)inputCount, outputCount, 0, 0 );
} else {
err = (object->*func)( reference,
output, outputCount, 0, 0, 0, 0 );
}
} else {
err = (object->*func)( reference,
- input, (void *)inputCount, 0, 0, 0, 0 );
+ input, (void *)(uintptr_t)inputCount, 0, 0, 0, 0 );
}
}
while( false);
return( err);
}
-/* Routine io_make_matching */
-kern_return_t is_io_make_matching(
- mach_port_t master_port,
- uint32_t type,
- uint32_t options,
- io_struct_inband_t input,
- mach_msg_type_number_t inputCount,
- io_string_t matching )
-{
- OSSerialize * s;
- IOReturn err = kIOReturnSuccess;
- OSDictionary * dict;
-
- if( master_port != master_device_port)
- return( kIOReturnNotPrivileged);
-
- switch( type) {
-
- case kIOServiceMatching:
- dict = IOService::serviceMatching( gIOServiceKey );
- break;
-
- case kIOBSDNameMatching:
- dict = IOBSDNameMatching( (const char *) input );
- break;
-
- case kIOOFPathMatching:
- dict = IOOFPathMatching( (const char *) input,
- matching, sizeof( io_string_t));
- break;
-
- default:
- dict = 0;
- }
-
- if( !dict)
- return( kIOReturnUnsupported);
-
- do {
- s = OSSerialize::withCapacity(4096);
- if( !s) {
- err = kIOReturnNoMemory;
- continue;
- }
- s->clearText();
- if( !dict->serialize( s )) {
- err = kIOReturnUnsupported;
- continue;
- }
-
- if( s->getLength() > sizeof( io_string_t)) {
- err = kIOReturnNoMemory;
- continue;
- } else
- strlcpy(matching, s->text(), sizeof(io_string_t));
- }
- while( false);
-
- if( s)
- s->release();
- if( dict)
- dict->release();
-
- return( err);
-}
+#if !NO_KEXTD
+bool gIOKextdClearedBusy = false;
+#endif
/* Routine io_catalog_send_data */
kern_return_t is_io_catalog_send_data(
if (inData) {
vm_map_offset_t map_data;
+ if( inDataCount > sizeof(io_struct_inband_t) * 1024)
+ return( kIOReturnMessageTooLarge);
+
kr = vm_map_copyout( kernel_map, &map_data, (vm_map_copy_t)inData);
data = CAST_DOWN(vm_offset_t, map_data);
// must return success after vm_map_copyout() succeeds
if( inDataCount ) {
- obj = (OSObject *)OSUnserializeXML((const char *)data);
+ obj = (OSObject *)OSUnserializeXML((const char *)data, inDataCount);
vm_deallocate( kernel_map, data, inDataCount );
if( !obj) {
*result = kIOReturnNoMemory;
}
switch ( flag ) {
+ case kIOCatalogResetDrivers:
+ case kIOCatalogResetDriversNoMatch: {
+ OSArray * array;
+
+ array = OSDynamicCast(OSArray, obj);
+ if (array) {
+ if ( !gIOCatalogue->resetAndAddDrivers(array,
+ flag == kIOCatalogResetDrivers) ) {
+
+ kr = kIOReturnError;
+ }
+ } else {
+ kr = kIOReturnBadArgument;
+ }
+ }
+ break;
+
case kIOCatalogAddDrivers:
case kIOCatalogAddDriversNoMatch: {
OSArray * array;
case kIOCatalogKextdActive:
#if !NO_KEXTD
+ IOServiceTrace(IOSERVICE_KEXTD_ALIVE, 0, 0, 0, 0);
OSKext::setKextdActive();
/* Dump all nonloaded startup extensions; kextd will now send them
case kIOCatalogKextdFinishedLaunching: {
#if !NO_KEXTD
- static bool clearedBusy = false;
-
- if (!clearedBusy) {
+ if (!gIOKextdClearedBusy) {
IOService * serviceRoot = IOService::getServiceRoot();
if (serviceRoot) {
+ IOServiceTrace(IOSERVICE_KEXTD_READY, 0, 0, 0, 0);
serviceRoot->adjustBusy(-1);
- clearedBusy = true;
+ gIOKextdClearedBusy = true;
}
}
#endif
return( kr );
switch ( flag ) {
+#if !defined(SECURE_KERNEL)
case kIOCatalogServiceTerminate:
OSIterator * iter;
IOService * service;
kr = gIOCatalogue->terminateDriversForModule(name,
flag == kIOCatalogModuleUnload);
break;
+#endif
default:
kr = kIOReturnBadArgument;
if ( !s )
return kIOReturnNoMemory;
- s->clearText();
-
kr = gIOCatalogue->serializeData(flag, s);
if ( kr == kIOReturnSuccess ) {
}
}
- userClient->release();
+ iokit_remove_connect_reference(userClient);
}
return result;
}
+} /* extern "C" */
+
IOReturn IOUserClient::externalMethod( uint32_t selector, IOExternalMethodArguments * args,
IOExternalMethodDispatch * dispatch, OSObject * target, void * reference )
{
if (args->asyncWakePort)
{
IOExternalAsyncMethod * method;
-
- if( !(method = getAsyncTargetAndMethodForIndex(&object, selector)) )
+ object = 0;
+ if( !(method = getAsyncTargetAndMethodForIndex(&object, selector)) || !object )
return (kIOReturnUnsupported);
+ if (kIOUCForegroundOnly & method->flags)
+ {
+ if (task_is_gpu_denied(current_task()))
+ return (kIOReturnNotPermitted);
+ }
+
switch (method->flags & kIOUCTypeMask)
{
case kIOUCScalarIStructI:
else
{
IOExternalMethod * method;
-
- if( !(method = getTargetAndMethodForIndex(&object, selector)) )
+ object = 0;
+ if( !(method = getTargetAndMethodForIndex(&object, selector)) || !object )
return (kIOReturnUnsupported);
+ if (kIOUCForegroundOnly & method->flags)
+ {
+ if (task_is_gpu_denied(current_task()))
+ return (kIOReturnNotPermitted);
+ }
+
switch (method->flags & kIOUCTypeMask)
{
case kIOUCScalarIStructI:
return (err);
}
-
-}; /* extern "C" */
-
#if __LP64__
OSMetaClassDefineReservedUnused(IOUserClient, 0);
OSMetaClassDefineReservedUnused(IOUserClient, 1);
projects / apple / xnu.git / blobdiff