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--- xnu/xnu-3248.50.21/iokit/Kernel/IOUserClient.cpp
+++ xnu/xnu-1504.7.4/iokit/Kernel/IOUserClient.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1998-2014 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
@@ -37,24 +37,8 @@
#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>
-
-#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>
@@ -63,7 +47,7 @@
#define SCALAR64(x) ((io_user_scalar_t)((unsigned int)x))
#define SCALAR32(x) ((uint32_t )x)
-#define ARG32(x) ((void *)(uintptr_t)SCALAR32(x))
+#define ARG32(x) ((void *)SCALAR32(x))
#define REF64(x) ((io_user_reference_t)((UInt64)(x)))
#define REF32(x) ((int)(x))
@@ -72,32 +56,6 @@
kIOUCAsync0Flags = 3ULL,
kIOUCAsync64Flag = 1ULL
};
-
-#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 */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
@@ -166,7 +124,7 @@
static mach_port_name_t makeSendRightForTask( task_t task,
io_object_t obj, ipc_kobject_type_t type );
- virtual void free() APPLE_KEXT_OVERRIDE;
+ virtual void free();
};
#define super OSObject
@@ -354,119 +312,26 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-class IOUserIterator : public OSIterator
-{
- OSDeclareDefaultStructors(IOUserIterator)
+class IOUserNotification : public OSIterator
+{
+ OSDeclareDefaultStructors(IOUserNotification)
+
+ IONotifier * holdNotify;
+ IOLock * lock;
+
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;
+
+ virtual bool init( void );
+ virtual void free();
+
+ virtual void setNotification( IONotifier * obj );
+
+ virtual void reset();
+ virtual bool isValid();
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-class IOUserNotification : public IOUserIterator
-{
- OSDeclareDefaultStructors(IOUserNotification)
-
-#define holdNotify userIteratorObject
-
-public:
-
- virtual void free() APPLE_KEXT_OVERRIDE;
-
- virtual void setNotification( IONotifier * obj );
-
- 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
@@ -483,55 +348,6 @@
{
if( obj)
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
@@ -567,10 +383,8 @@
if( IKOT_IOKIT_CONNECT == type)
{
- if( (client = OSDynamicCast( IOUserClient, obj ))) {
- IOStatisticsClientCall();
+ if( (client = OSDynamicCast( IOUserClient, obj )))
client->clientDied();
- }
}
else if( IKOT_IOKIT_OBJECT == type)
{
@@ -609,13 +423,13 @@
virtual bool init( mach_port_t port, natural_t type,
void * reference, vm_size_t referenceSize,
bool clientIs64 );
- virtual void free() APPLE_KEXT_OVERRIDE;
+ virtual void free();
static bool _handler( void * target,
void * ref, IOService * newService, IONotifier * notifier );
virtual bool handler( void * ref, IOService * newService );
- virtual OSObject * getNextObject() APPLE_KEXT_OVERRIDE;
+ virtual OSObject * getNextObject();
};
class IOServiceMessageUserNotification : public IOUserNotification
@@ -641,7 +455,7 @@
vm_size_t extraSize,
bool clientIs64 );
- virtual void free() APPLE_KEXT_OVERRIDE;
+ virtual void free();
static IOReturn _handler( void * target, void * ref,
UInt32 messageType, IOService * provider,
@@ -650,35 +464,46 @@
UInt32 messageType, IOService * provider,
void * messageArgument, vm_size_t argSize );
- virtual OSObject * getNextObject() APPLE_KEXT_OVERRIDE;
+ virtual OSObject * getNextObject();
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#undef super
-#define super IOUserIterator
-OSDefineMetaClass( IOUserNotification, IOUserIterator )
-OSDefineAbstractStructors( IOUserNotification, IOUserIterator )
+#define super OSIterator
+OSDefineMetaClass( IOUserNotification, OSIterator )
+OSDefineAbstractStructors( IOUserNotification, OSIterator )
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+bool IOUserNotification::init( void )
+{
+ if( !super::init())
+ return( false );
+
+ lock = IOLockAlloc();
+ if( !lock)
+ return( false );
+
+ return( true );
+}
+
void IOUserNotification::free( void )
{
- if (holdNotify)
- {
- assert(OSDynamicCast(IONotifier, holdNotify));
- ((IONotifier *)holdNotify)->remove();
- holdNotify = 0;
- }
+ if( holdNotify)
+ holdNotify->remove();
// can't be in handler now
+ if( lock)
+ IOLockFree( lock );
+
super::free();
}
void IOUserNotification::setNotification( IONotifier * notify )
{
- OSObject * previousNotify;
+ IONotifier * previousNotify;
IOLockLock( gIOObjectPortLock);
@@ -688,10 +513,7 @@
IOLockUnlock( gIOObjectPortLock);
if( previousNotify)
- {
- assert(OSDynamicCast(IONotifier, previousNotify));
- ((IONotifier *)previousNotify)->remove();
- }
+ previousNotify->remove();
}
void IOUserNotification::reset()
@@ -716,9 +538,6 @@
void * reference, vm_size_t referenceSize,
bool clientIs64 )
{
- if( !super::init())
- return( false );
-
newSet = OSArray::withCapacity( 1 );
if( !newSet)
return( false );
@@ -744,7 +563,7 @@
pingMsg->notifyHeader.type = type;
bcopy( reference, pingMsg->notifyHeader.reference, referenceSize );
- return( true );
+ return( super::init() );
}
void IOServiceUserNotification::free( void )
@@ -761,12 +580,8 @@
super::free();
- if( _pingMsg && _msgSize) {
- if (_pingMsg->msgHdr.msgh_remote_port) {
- iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
- }
- IOFree(_pingMsg, _msgSize);
- }
+ if( _pingMsg && _msgSize)
+ IOFree( _pingMsg, _msgSize);
if( _lastEntry)
_lastEntry->release();
@@ -810,10 +625,8 @@
else
pingMsg->msgHdr.msgh_local_port = NULL;
- kr = mach_msg_send_from_kernel_with_options( &pingMsg->msgHdr,
- pingMsg->msgHdr.msgh_size,
- (MACH_SEND_MSG | MACH_SEND_ALWAYS | MACH_SEND_IMPORTANCE),
- 0);
+ kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
+ pingMsg->msgHdr.msgh_size);
if( port)
iokit_release_port( port );
@@ -860,8 +673,6 @@
void * reference, vm_size_t referenceSize, vm_size_t extraSize,
bool client64 )
{
- if( !super::init())
- return( false );
if (referenceSize > sizeof(OSAsyncReference64))
return( false );
@@ -896,7 +707,7 @@
pingMsg->notifyHeader.type = type;
bcopy( reference, pingMsg->notifyHeader.reference, referenceSize );
- return( true );
+ return( super::init() );
}
void IOServiceMessageUserNotification::free( void )
@@ -909,12 +720,8 @@
super::free();
- if( _pingMsg && _msgSize) {
- if (_pingMsg->msgHdr.msgh_remote_port) {
- iokit_release_port_send(_pingMsg->msgHdr.msgh_remote_port);
- }
+ if( _pingMsg && _msgSize)
IOFree( _pingMsg, _msgSize);
- }
}
IOReturn IOServiceMessageUserNotification::_handler( void * target, void * ref,
@@ -937,8 +744,8 @@
if (kIOMessageCopyClientID == messageType)
{
- *((void **) messageArgument) = OSNumber::withNumber(owningPID, 32);
- return (kIOReturnSuccess);
+ *((void **) messageArgument) = IOCopyLogNameForPID(owningPID);
+ return (kIOReturnSuccess);
}
data->messageType = messageType;
@@ -960,15 +767,6 @@
argSize = kIOUserNotifyMaxMessageSize;
bcopy( messageArgument, data->messageArgument, argSize );
}
-
- // adjust message size for ipc restrictions
- natural_t type;
- type = pingMsg->notifyHeader.type;
- type &= ~(kIOKitNoticationMsgSizeMask << kIOKitNoticationTypeSizeAdjShift);
- type |= ((argSize & kIOKitNoticationMsgSizeMask) << kIOKitNoticationTypeSizeAdjShift);
- pingMsg->notifyHeader.type = type;
- argSize = (argSize + kIOKitNoticationMsgSizeMask) & ~kIOKitNoticationMsgSizeMask;
-
pingMsg->msgHdr.msgh_size = msgSize - pingMsg->notifyHeader.size
+ sizeof( IOServiceInterestContent64 )
- sizeof( data->messageArgument)
@@ -978,10 +776,8 @@
pingMsg->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_with_options( &pingMsg->msgHdr,
- pingMsg->msgHdr.msgh_size,
- (MACH_SEND_MSG | MACH_SEND_ALWAYS | MACH_SEND_IMPORTANCE),
- 0);
+ kr = mach_msg_send_from_kernel_proper( &pingMsg->msgHdr,
+ pingMsg->msgHdr.msgh_size);
if( thisPort)
iokit_release_port( thisPort );
if( providerPort)
@@ -1029,16 +825,6 @@
| (kIOUCAsync0Flags & asyncRef[kIOAsyncReservedIndex]);
asyncRef[kIOAsyncCalloutFuncIndex] = (io_user_reference_t) callback;
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)
@@ -1065,50 +851,21 @@
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);
+static bool IOUCIsBackgroundTask(task_t task, bool * isBg)
+{
+ kern_return_t kr;
+ task_category_policy_data_t info;
+ mach_msg_type_number_t count = TASK_CATEGORY_POLICY_COUNT;
+ boolean_t get_default = false;
+
+ kr = task_policy_get(current_task(),
+ TASK_CATEGORY_POLICY,
+ (task_policy_t) &info,
+ &count,
+ &get_default);
+
+ *isBg = ((KERN_SUCCESS == kr) && (info.role == TASK_THROTTLE_APPLICATION));
+ return (kr);
}
IOReturn IOUserClient::clientHasPrivilege( void * securityToken,
@@ -1125,40 +882,12 @@
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);
+ bool isBg;
+ kern_return_t kr = IOUCIsBackgroundTask(current_task(), &isBg);
+
+ if (KERN_SUCCESS != kr)
+ return (kr);
+ return (isBg ? kIOReturnNotPrivileged : kIOReturnSuccess);
}
if ((secureConsole = !strncmp(privilegeName, kIOClientPrivilegeSecureConsoleProcess,
@@ -1166,7 +895,7 @@
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 );
@@ -1204,106 +933,30 @@
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() || super::init())
- return reserve();
-
- return false;
+ if( getPropertyTable())
+ return true;
+ else
+ return super::init();
}
bool IOUserClient::init(OSDictionary * dictionary)
{
- if (getPropertyTable() || super::init(dictionary))
- return reserve();
-
- return false;
+ if( getPropertyTable())
+ return true;
+ else
+ return super::init(dictionary);
}
bool IOUserClient::initWithTask(task_t owningTask,
void * securityID,
UInt32 type )
-{
- if (getPropertyTable() || super::init())
- return reserve();
-
- return false;
+{
+ if( getPropertyTable())
+ return true;
+ else
+ return super::init();
}
bool IOUserClient::initWithTask(task_t owningTask,
@@ -1319,43 +972,17 @@
return( ok );
}
-bool IOUserClient::reserve()
-{
- if(!reserved) {
- reserved = IONew(ExpansionData, 1);
- if (!reserved) {
- return false;
- }
- }
- setTerminateDefer(NULL, true);
- IOStatisticsRegisterCounter();
-
- return true;
-}
-
void IOUserClient::free()
{
if( mappings)
mappings->release();
-
- IOStatisticsUnregisterCounter();
-
- if (reserved)
- IODelete(reserved, ExpansionData, 1);
-
+
super::free();
}
IOReturn IOUserClient::clientDied( void )
{
- IOReturn ret = kIOReturnNotReady;
-
- if (sharedInstance || OSCompareAndSwap8(0, 1, &closed))
- {
- ret = clientClose();
- }
-
- return (ret);
+ return( clientClose());
}
IOReturn IOUserClient::clientClose( void )
@@ -1443,6 +1070,7 @@
mach_port_name_t name;
name = IOMachPort::makeSendRightForTask( task, obj, IKOT_IOKIT_OBJECT );
+ assert( name );
*(mach_port_name_t *)clientObj = name;
return kIOReturnSuccess;
@@ -1536,20 +1164,8 @@
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
{
@@ -1622,15 +1238,9 @@
replyMsg.m.msg32.args[idx] = REF32(args[idx]);
}
- 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))
+ 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;
}
@@ -1645,63 +1255,22 @@
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 );
-}
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-/* 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 )
-{
- const OSMetaClass* my_obj = NULL;
+ io_object_t object,
+ io_name_t className )
+{
+ 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 );
}
@@ -1795,7 +1364,6 @@
return( kIOReturnBadArgument );
*conforms = (0 != object->metaCast( className ));
-
return( kIOReturnSuccess );
}
@@ -1816,7 +1384,6 @@
io_object_t iterator,
io_object_t *object )
{
- IOReturn ret;
OSObject * obj;
CHECK( OSIterator, iterator, iter );
@@ -1825,11 +1392,9 @@
if( obj) {
obj->retain();
*object = obj;
- ret = kIOReturnSuccess;
+ return( kIOReturnSuccess );
} else
- ret = kIOReturnNoDevice;
-
- return (ret);
+ return( kIOReturnNoDevice );
}
/* Routine io_iterator_reset */
@@ -1855,12 +1420,11 @@
return( kIOReturnSuccess );
}
-
-static kern_return_t internal_io_service_match_property_table(
+/* Routine io_service_match_property_table */
+kern_return_t is_io_service_match_property_table(
io_service_t _service,
- const char * matching,
- mach_msg_type_number_t matching_size,
- boolean_t *matches)
+ io_string_t matching,
+ boolean_t *matches )
{
CHECK( IOService, _service, service );
@@ -1868,8 +1432,8 @@
OSObject * obj;
OSDictionary * dict;
- obj = matching_size ? OSUnserializeXML(matching, matching_size)
- : OSUnserializeXML(matching);
+ obj = OSUnserializeXML( matching );
+
if( (dict = OSDynamicCast( OSDictionary, obj))) {
*matches = service->passiveMatch( dict );
kr = kIOReturnSuccess;
@@ -1881,16 +1445,6 @@
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 (internal_io_service_match_property_table(service, matching, 0, matches));
-}
-
/* Routine io_service_match_property_table_ool */
kern_return_t is_io_service_match_property_table_ool(
@@ -1909,47 +1463,10 @@
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
- *result = internal_io_service_match_property_table(service,
- (const char *)data, matchingCnt, matches );
+ *result = is_io_service_match_property_table( service,
+ (char *) data, matches );
vm_deallocate( kernel_map, data, matchingCnt );
}
-
- return( kr );
-}
-
-/* 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,
- const char * matching,
- mach_msg_type_number_t matching_size,
- io_iterator_t *existing )
-{
- kern_return_t kr;
- OSObject * obj;
- OSDictionary * dict;
-
- if( master_port != master_device_port)
- return( kIOReturnNotPrivileged);
-
- obj = matching_size ? OSUnserializeXML(matching, matching_size)
- : OSUnserializeXML(matching);
- if( (dict = OSDynamicCast( OSDictionary, obj))) {
- *existing = IOUserIterator::withIterator(IOService::getMatchingServices( dict ));
- kr = kIOReturnSuccess;
- } else
- kr = kIOReturnBadArgument;
-
- if( obj)
- obj->release();
return( kr );
}
@@ -1960,7 +1477,25 @@
io_string_t matching,
io_iterator_t *existing )
{
- return (internal_io_service_get_matching_services(master_port, matching, 0, existing));
+ kern_return_t kr;
+ OSObject * obj;
+ OSDictionary * dict;
+
+ if( master_port != master_device_port)
+ return( kIOReturnNotPrivileged);
+
+ obj = OSUnserializeXML( matching );
+
+ if( (dict = OSDynamicCast( OSDictionary, obj))) {
+ *existing = IOService::getMatchingServices( dict );
+ kr = kIOReturnSuccess;
+ } else
+ kr = kIOReturnBadArgument;
+
+ if( obj)
+ obj->release();
+
+ return( kr );
}
/* Routine io_service_get_matching_services_ool */
@@ -1980,105 +1515,18 @@
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
- // and mig will copy out objects on success
- *existing = 0;
- *result = internal_io_service_get_matching_services(master_port,
- (const char *) data, matchingCnt, existing);
+ *result = is_io_service_get_matching_services( master_port,
+ (char *) data, 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);
-
- obj = matching_size ? OSUnserializeXML(matching, matching_size)
- : OSUnserializeXML(matching);
- 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 (internal_io_service_get_matching_service(master_port, matching, 0, service));
-}
-
-/* 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,
- const char * matching,
- size_t matching_size,
+ io_string_t matching,
mach_port_t port,
void * reference,
vm_size_t referenceSize,
@@ -2092,6 +1540,7 @@
IOReturn err;
unsigned long int userMsgType;
+
if( master_port != master_device_port)
return( kIOReturnNotPrivileged);
@@ -2101,16 +1550,8 @@
if( !(sym = OSSymbol::withCString( notification_type )))
err = kIOReturnNoResources;
- if (matching_size)
- {
- dict = OSDynamicCast(OSDictionary, OSUnserializeXML(matching, matching_size));
- }
- else
- {
- dict = OSDynamicCast(OSDictionary, OSUnserializeXML(matching));
- }
-
- if (!dict) {
+ if( !(dict = OSDynamicCast( OSDictionary,
+ OSUnserializeXML( matching )))) {
err = kIOReturnBadArgument;
continue;
}
@@ -2130,7 +1571,6 @@
if( userNotify && !userNotify->init( port, userMsgType,
reference, referenceSize, client64)) {
- iokit_release_port_send(port);
userNotify->release();
userNotify = 0;
}
@@ -2168,7 +1608,7 @@
io_object_t * notification )
{
return (internal_io_service_add_notification(master_port, notification_type,
- matching, 0, port, &reference[0], sizeof(io_async_ref_t),
+ matching, port, &reference[0], sizeof(io_async_ref_t),
false, notification));
}
@@ -2183,43 +1623,10 @@
io_object_t *notification )
{
return (internal_io_service_add_notification(master_port, notification_type,
- matching, 0, wake_port, &reference[0], sizeof(io_async_ref64_t),
+ matching, wake_port, &reference[0], sizeof(io_async_ref64_t),
true, notification));
}
-/* 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, 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,
@@ -2242,10 +1649,8 @@
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, matchingCnt, wake_port, reference, referenceSize, client64, notification );
+ (char *) data, wake_port, reference, referenceSize, client64, notification );
vm_deallocate( kernel_map, data, matchingCnt );
}
@@ -2327,7 +1732,6 @@
reference, referenceSize,
kIOUserNotifyMaxMessageSize,
client64 )) {
- iokit_release_port_send(port);
userNotify->release();
userNotify = 0;
}
@@ -2385,7 +1789,7 @@
{
CHECK( IOService, _service, service );
- return( service->acknowledgeNotification( (IONotificationRef)(uintptr_t) notify_ref,
+ return( service->acknowledgeNotification( (IONotificationRef) notify_ref,
(IOOptionBits) response ));
}
@@ -2398,7 +1802,6 @@
{
CHECK( IOUserClient, connection, client );
- IOStatisticsClientCall();
return( client->getNotificationSemaphore( (UInt32) notification_type,
semaphore ));
}
@@ -2431,9 +1834,8 @@
if( master_port != master_device_port)
return( kIOReturnNotPrivileged);
- *iterator = IOUserIterator::withIterator(
- IORegistryIterator::iterateOver(
- IORegistryEntry::getPlane( plane ), options ));
+ *iterator = IORegistryIterator::iterateOver(
+ IORegistryEntry::getPlane( plane ), options );
return( *iterator ? kIOReturnSuccess : kIOReturnBadArgument );
}
@@ -2447,9 +1849,8 @@
{
CHECK( IORegistryEntry, registry_entry, entry );
- *iterator = IOUserIterator::withIterator(
- IORegistryIterator::iterateOver( entry,
- IORegistryEntry::getPlane( plane ), options ));
+ *iterator = IORegistryIterator::iterateOver( entry,
+ IORegistryEntry::getPlane( plane ), options );
return( *iterator ? kIOReturnSuccess : kIOReturnBadArgument );
}
@@ -2458,11 +1859,9 @@
kern_return_t is_io_registry_iterator_enter_entry(
io_object_t iterator )
{
- CHECKLOCKED( IORegistryIterator, iterator, iter );
-
- IOLockLock(oIter->lock);
+ CHECK( IORegistryIterator, iterator, iter );
+
iter->enterEntry();
- IOLockUnlock(oIter->lock);
return( kIOReturnSuccess );
}
@@ -2473,11 +1872,9 @@
{
bool didIt;
- CHECKLOCKED( IORegistryIterator, iterator, iter );
-
- IOLockLock(oIter->lock);
+ CHECK( IORegistryIterator, iterator, iter );
+
didIt = iter->exitEntry();
- IOLockUnlock(oIter->lock);
return( didIt ? kIOReturnSuccess : kIOReturnNoDevice );
}
@@ -2500,58 +1897,6 @@
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,
@@ -2582,42 +1927,6 @@
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(
@@ -2683,6 +1992,25 @@
*entry_id = entry->getRegistryEntryID();
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 */
@@ -2704,11 +2032,6 @@
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 );
@@ -2766,11 +2089,6 @@
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 );
@@ -2780,6 +2098,7 @@
obj->release();
return( kIOReturnNoMemory );
}
+ s->clearText();
if( obj->serialize( s )) {
len = s->getLength();
@@ -2810,11 +2129,6 @@
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);
if( !obj)
@@ -2826,6 +2140,8 @@
return( kIOReturnNoMemory );
}
+ s->clearText();
+
if( obj->serialize( s )) {
len = s->getLength();
*propertiesCnt = len;
@@ -2839,43 +2155,6 @@
return( err );
}
-
-#if CONFIG_MACF
-
-static kern_return_t
-filteredProperties(IORegistryEntry *entry, OSDictionary *properties, OSDictionary **filteredp)
-{
- kern_return_t err = 0;
- OSDictionary *filtered = NULL;
- OSCollectionIterator *iter = NULL;
- OSSymbol *key;
- OSObject *p;
- kauth_cred_t cred = kauth_cred_get();
-
- if (properties == NULL)
- return kIOReturnUnsupported;
-
- if ((iter = OSCollectionIterator::withCollection(properties)) == NULL ||
- (filtered = OSDictionary::withCapacity(properties->getCapacity())) == NULL) {
- err = kIOReturnNoMemory;
- goto out;
- }
-
- while ((p = iter->getNextObject()) != NULL) {
- if ((key = OSDynamicCast(OSSymbol, p)) == NULL ||
- mac_iokit_check_get_property(cred, entry, key->getCStringNoCopy()) != 0)
- continue;
- filtered->setObject(key, properties->getObject(key));
- }
-
-out:
- if (iter != NULL)
- iter->release();
- *filteredp = filtered;
- return err;
-}
-
-#endif
/* Routine io_registry_entry_get_properties */
kern_return_t is_io_registry_entry_get_properties(
@@ -2883,7 +2162,7 @@
io_buf_ptr_t *properties,
mach_msg_type_number_t *propertiesCnt )
{
- kern_return_t err = 0;
+ kern_return_t err;
vm_size_t len;
CHECK( IORegistryEntry, registry_entry, entry );
@@ -2892,170 +2171,20 @@
if( !s)
return( kIOReturnNoMemory );
- if (!entry->serializeProperties(s))
- err = kIOReturnUnsupported;
-
-#if CONFIG_MACF
- if (!err && mac_iokit_check_filter_properties(kauth_cred_get(), entry)) {
- OSObject *propobj = OSUnserializeXML(s->text(), s->getLength());
- OSDictionary *filteredprops = NULL;
- err = filteredProperties(entry, OSDynamicCast(OSDictionary, propobj), &filteredprops);
- if (propobj) propobj->release();
-
- if (!err) {
- s->clearText();
- if (!filteredprops->serialize(s))
- err = kIOReturnUnsupported;
- }
- if (filteredprops != NULL)
- filteredprops->release();
- }
-#endif /* CONFIG_MACF */
-
- if (!err) {
- len = s->getLength();
- *propertiesCnt = len;
- err = copyoutkdata( s->text(), len, properties );
- }
-
- s->release();
- return( err );
-}
-
-#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 (!entry->serializeProperties(s)) err = kIOReturnUnsupported;
-
- if (kIOReturnSuccess == err)
- {
- len = s->getLength();
- *propertiesCnt = len;
- err = copyoutkdata(s->text(), len, properties);
- }
- s->release();
-
- return (err);
-}
-
-/* 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 );
-
-#if CONFIG_MACF
- if (0 != mac_iokit_check_get_property(kauth_cred_get(), entry, property_name))
- return kIOReturnNotPermitted;
-#endif
-
- if ((kIORegistryIterateRecursively & options) && plane[0])
- {
- obj = entry->copyProperty(property_name,
- IORegistryEntry::getPlane(plane), options);
- }
- else
- {
- obj = entry->copyProperty(property_name);
- }
-
- if( !obj)
- return( kIOReturnNotFound );
-
- sym = OSSymbol::withCString(property_name);
- if (sym)
- {
- if (gIORemoveOnReadProperties->containsObject(sym)) entry->removeProperty(sym);
- sym->release();
- }
-
- OSSerialize * s = OSSerialize::binaryWithCapacity(4096);
- if( !s) {
- obj->release();
- return( kIOReturnNoMemory );
- }
-
- if( obj->serialize( s )) {
+ s->clearText();
+
+ if( entry->serializeProperties( 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
@@ -3073,34 +2202,20 @@
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) {
// must return success after vm_map_copyout() succeeds
- obj = OSUnserializeXML( (const char *) data, propertiesCnt );
+ obj = OSUnserializeXML( (const char *) data );
vm_deallocate( kernel_map, data, propertiesCnt );
- 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();
+ if( obj) {
+ res = entry->setProperties( obj );
+ obj->release();
+ } else
+ res = kIOReturnBadArgument;
} else
res = err;
@@ -3190,33 +2305,28 @@
return( service->requestProbe( options ));
}
-/* Routine io_service_get_authorization_id */
-kern_return_t is_io_service_get_authorization_id(
+
+/* Routine io_service_open */
+kern_return_t is_io_service_open(
io_object_t _service,
- uint64_t *authorization_id )
-{
- kern_return_t kr;
+ task_t owningTask,
+ uint32_t connect_type,
+ io_object_t *connection )
+{
+ IOUserClient * client;
+ IOReturn err;
CHECK( IOService, _service, service );
- kr = IOUserClient::clientHasPrivilege( (void *) current_task(),
- kIOClientPrivilegeAdministrator );
- if( kIOReturnSuccess != kr)
- return( kr );
-
- *authorization_id = service->getAuthorizationID();
-
- 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 ) );
+ err = service->newUserClient( owningTask, (void *) owningTask,
+ connect_type, 0, &client );
+
+ if( err == kIOReturnSuccess) {
+ assert( OSDynamicCast(IOUserClient, client) );
+ *connection = client;
+ }
+
+ return( err);
}
/* Routine io_service_open_ndr */
@@ -3239,8 +2349,6 @@
CHECK( IOService, _service, service );
- if (!owningTask) return (kIOReturnBadArgument);
-
do
{
if (properties)
@@ -3249,16 +2357,13 @@
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, propertiesCnt );
+ obj = OSUnserializeXML( (const char *) data );
vm_deallocate( kernel_map, data, propertiesCnt );
propertiesDict = OSDynamicCast(OSDictionary, obj);
if (!propertiesDict)
@@ -3299,28 +2404,22 @@
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)
+
+ if (disallowAccess)
{
- IOStatisticsClientCall();
client->clientClose();
client->release();
client = 0;
+ res = kIOReturnUnsupported;
break;
}
client->sharedInstance = (0 != client->getProperty(kIOUserClientSharedInstanceKey));
- client->closed = false;
OSString * creatorName = IOCopyLogNameForPID(proc_selfpid());
if (creatorName)
{
client->setProperty(kIOUserClientCreatorKey, creatorName);
creatorName->release();
}
- client->setTerminateDefer(service, false);
}
}
while (false);
@@ -3341,17 +2440,7 @@
CHECK( IOUserClient, connection, client );
- 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());
- }
+ client->clientClose();
return( kIOReturnSuccess );
}
@@ -3383,7 +2472,6 @@
{
CHECK( IOUserClient, connection, client );
- IOStatisticsClientCall();
return( client->registerNotificationPort( port, notification_type,
(io_user_reference_t) reference ));
}
@@ -3397,7 +2485,6 @@
{
CHECK( IOUserClient, connection, client );
- IOStatisticsClientCall();
return( client->registerNotificationPort( port, notification_type,
reference ));
}
@@ -3418,9 +2505,6 @@
CHECK( IOUserClient, connection, client );
- if (!into_task) return (kIOReturnBadArgument);
-
- IOStatisticsClientCall();
map = client->mapClientMemory64( memory_type, into_task, flags, *address );
if( map) {
@@ -3435,6 +2519,7 @@
mach_port_name_t name __unused =
IOMachPort::makeSendRightForTask(
into_task, map, IKOT_IOKIT_OBJECT );
+ assert( name );
} else {
// keep it with the user client
@@ -3459,8 +2544,8 @@
io_object_t connect,
uint32_t type,
task_t task,
- uint32_t * mapAddr,
- uint32_t * mapSize,
+ vm_address_t * mapAddr,
+ vm_size_t * mapSize,
uint32_t flags )
{
IOReturn err;
@@ -3477,8 +2562,6 @@
return (err);
}
-
-} /* extern "C" */
IOMemoryMap * IOUserClient::removeMappingForDescriptor(IOMemoryDescriptor * mem)
{
@@ -3507,8 +2590,6 @@
return (map);
}
-extern "C" {
-
/* Routine io_connect_unmap_memory_from_task */
kern_return_t is_io_connect_unmap_memory_from_task
(
@@ -3524,9 +2605,6 @@
CHECK( IOUserClient, connection, client );
- if (!from_task) return (kIOReturnBadArgument);
-
- IOStatisticsClientCall();
err = client->clientMemoryForType( (UInt32) memory_type, &options, &memory );
if( memory && (kIOReturnSuccess == err)) {
@@ -3568,7 +2646,7 @@
io_object_t connect,
uint32_t type,
task_t task,
- uint32_t mapAddr )
+ vm_address_t mapAddr )
{
IOReturn err;
mach_vm_address_t address;
@@ -3589,7 +2667,6 @@
CHECK( IOUserClient, connection, client );
CHECK( IOUserClient, connect_to, to );
- IOStatisticsClientCall();
return( client->connectClient( to ) );
}
@@ -3604,98 +2681,6 @@
return( is_io_registry_entry_set_properties( connection, properties, propertiesCnt, result ));
}
-/* Routine io_user_client_method */
-kern_return_t is_io_connect_method_var_output
-(
- 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,
- 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.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, 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
@@ -3708,12 +2693,12 @@
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
+ mach_vm_size_t * ool_output_size
)
{
CHECK( IOUserClient, connection, client );
@@ -3728,10 +2713,9 @@
args.selector = selector;
- args.asyncWakePort = MACH_PORT_NULL;
- args.asyncReference = 0;
- args.asyncReferenceCount = 0;
- args.structureVariableOutputData = 0;
+ args.asyncWakePort = MACH_PORT_NULL;
+ args.asyncReference = 0;
+ args.asyncReferenceCount = 0;
args.scalarInput = scalar_input;
args.scalarInputCount = scalar_inputCnt;
@@ -3746,20 +2730,18 @@
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 && ool_output_size)
+ if (ool_output)
{
outputMD = IOMemoryDescriptor::withAddressRange(ool_output, *ool_output_size,
kIODirectionIn, current_task());
}
args.structureOutputDescriptor = outputMD;
- args.structureOutputDescriptorSize = ool_output_size ? *ool_output_size : 0;
-
- IOStatisticsClientCall();
+ args.structureOutputDescriptorSize = *ool_output_size;
+
ret = client->externalMethod( selector, &args );
*scalar_outputCnt = args.scalarOutputCount;
@@ -3788,10 +2770,10 @@
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
)
@@ -3829,7 +2811,6 @@
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;
@@ -3842,7 +2823,6 @@
args.structureOutputDescriptor = outputMD;
args.structureOutputDescriptorSize = *ool_output_size;
- IOStatisticsClientCall();
ret = client->externalMethod( selector, &args );
*inband_outputCnt = args.structureOutputSize;
@@ -3873,7 +2853,6 @@
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]);
@@ -3881,8 +2860,8 @@
_input, inputCount,
NULL, 0,
0, 0,
+ _output, outputCount,
NULL, &struct_outputCnt,
- _output, outputCount,
0, &ool_output_size);
for (i = 0; i < *outputCount; i++)
@@ -3904,7 +2883,6 @@
IOReturn err;
err = kIOReturnBadArgument;
- bzero(&_output[0], sizeof(_output));
do {
if( inputCount != method->count0)
@@ -3986,7 +2964,6 @@
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]);
@@ -4002,8 +2979,8 @@
_input, inputCount,
NULL, 0,
0, 0,
+ _output, outputCount,
NULL, &struct_outputCnt,
- _output, outputCount,
0, &ool_output_size);
for (i = 0; i < *outputCount; i++)
@@ -4042,8 +3019,8 @@
_input, inputCount,
NULL, 0,
0, 0,
+ NULL, &scalar_outputCnt,
output, outputCount,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4079,8 +3056,8 @@
_input, inputCount,
inputStruct, inputStructCount,
0, 0,
+ NULL, &scalar_outputCnt,
NULL, &inband_outputCnt,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4110,8 +3087,8 @@
NULL, 0,
input, inputCount,
0, 0,
+ NULL, &scalar_outputCnt,
output, outputCount,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4133,7 +3110,6 @@
IOReturn err;
io_async_ref_t reference;
- bzero(&_output[0], sizeof(_output));
for (i = 0; i < asyncReferenceCount; i++)
reference[i] = REF32(asyncReference[i]);
@@ -4231,8 +3207,8 @@
_input, inputCount,
NULL, 0,
0, 0,
+ NULL, &scalar_outputCnt,
output, outputCount,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4404,8 +3380,8 @@
_input, inputCount,
inputStruct, inputStructCount,
0, 0,
+ NULL, &scalar_outputCnt,
NULL, &inband_outputCnt,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4422,7 +3398,8 @@
do
{
- if (inputCount != method->count0)
+ if( (kIOUCVariableStructureSize != method->count0)
+ && (inputCount != method->count0))
{
IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
continue;
@@ -4446,25 +3423,25 @@
case 4:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]), (void *) input[2],
ARG32(input[3]),
- inputStruct, (void *)(uintptr_t)inputStructCount );
+ inputStruct, (void *)inputStructCount );
break;
case 3:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0 );
break;
case 2:
err = (object->*func)( ARG32(input[0]), ARG32(input[1]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0, 0 );
break;
case 1:
err = (object->*func)( ARG32(input[0]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0, 0, 0 );
break;
case 0:
- err = (object->*func)( inputStruct, (void *)(uintptr_t)inputStructCount,
+ err = (object->*func)( inputStruct, (void *)inputStructCount,
0, 0, 0, 0 );
break;
@@ -4498,7 +3475,8 @@
do
{
- if (inputCount != method->count0)
+ if( (kIOUCVariableStructureSize != method->count0)
+ && (inputCount != method->count0))
{
IOLog("%s: IOUserClient inputCount count mismatch\n", object->getName());
continue;
@@ -4524,29 +3502,29 @@
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
ARG32(input[3]),
- inputStruct, (void *)(uintptr_t)inputStructCount );
+ inputStruct, (void *)inputStructCount );
break;
case 3:
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]), ARG32(input[2]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0 );
break;
case 2:
err = (object->*func)( reference,
ARG32(input[0]), ARG32(input[1]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0, 0 );
break;
case 1:
err = (object->*func)( reference,
ARG32(input[0]),
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0, 0, 0 );
break;
case 0:
err = (object->*func)( reference,
- inputStruct, (void *)(uintptr_t)inputStructCount,
+ inputStruct, (void *)inputStructCount,
0, 0, 0, 0 );
break;
@@ -4575,8 +3553,8 @@
NULL, 0,
input, inputCount,
0, 0,
+ NULL, &scalar_outputCnt,
output, outputCount,
- NULL, &scalar_outputCnt,
0, &ool_output_size));
}
@@ -4611,12 +3589,12 @@
if( method->count1) {
if( method->count0) {
err = (object->*func)( input, output,
- (void *)(uintptr_t)inputCount, outputCount, 0, 0 );
+ (void *)inputCount, outputCount, 0, 0 );
} else {
err = (object->*func)( output, outputCount, 0, 0, 0, 0 );
}
} else {
- err = (object->*func)( input, (void *)(uintptr_t)inputCount, 0, 0, 0, 0 );
+ err = (object->*func)( input, (void *)inputCount, 0, 0, 0, 0 );
}
}
while( false);
@@ -4666,17 +3644,83 @@
if( method->count0) {
err = (object->*func)( reference,
input, output,
- (void *)(uintptr_t)inputCount, outputCount, 0, 0 );
+ (void *)inputCount, outputCount, 0, 0 );
} else {
err = (object->*func)( reference,
output, outputCount, 0, 0, 0, 0 );
}
} else {
err = (object->*func)( reference,
- input, (void *)(uintptr_t)inputCount, 0, 0, 0, 0 );
+ input, (void *)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);
}
@@ -4709,9 +3753,6 @@
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);
@@ -4721,7 +3762,7 @@
// must return success after vm_map_copyout() succeeds
if( inDataCount ) {
- obj = (OSObject *)OSUnserializeXML((const char *)data, inDataCount);
+ obj = (OSObject *)OSUnserializeXML((const char *)data);
vm_deallocate( kernel_map, data, inDataCount );
if( !obj) {
*result = kIOReturnNoMemory;
@@ -4731,23 +3772,6 @@
}
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;
@@ -4803,7 +3827,6 @@
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
@@ -4821,7 +3844,6 @@
if (!clearedBusy) {
IOService * serviceRoot = IOService::getServiceRoot();
if (serviceRoot) {
- IOServiceTrace(IOSERVICE_KEXTD_READY, 0, 0, 0, 0);
serviceRoot->adjustBusy(-1);
clearedBusy = true;
}
@@ -4859,7 +3881,6 @@
return( kr );
switch ( flag ) {
-#if !defined(SECURE_KERNEL)
case kIOCatalogServiceTerminate:
OSIterator * iter;
IOService * service;
@@ -4889,7 +3910,6 @@
kr = gIOCatalogue->terminateDriversForModule(name,
flag == kIOCatalogModuleUnload);
break;
-#endif
default:
kr = kIOReturnBadArgument;
@@ -4917,6 +3937,8 @@
s = OSSerialize::withCapacity(4096);
if ( !s )
return kIOReturnNoMemory;
+
+ s->clearText();
kr = gIOCatalogue->serializeData(flag, s);
@@ -5020,13 +4042,11 @@
}
}
- iokit_remove_connect_reference(userClient);
+ userClient->release();
}
return result;
}
-
-} /* extern "C" */
IOReturn IOUserClient::externalMethod( uint32_t selector, IOExternalMethodArguments * args,
IOExternalMethodDispatch * dispatch, OSObject * target, void * reference )
@@ -5087,13 +4107,16 @@
if (args->asyncWakePort)
{
IOExternalAsyncMethod * method;
- object = 0;
- if( !(method = getAsyncTargetAndMethodForIndex(&object, selector)) || !object )
+
+ if( !(method = getAsyncTargetAndMethodForIndex(&object, selector)) )
return (kIOReturnUnsupported);
if (kIOUCForegroundOnly & method->flags)
{
- if (task_is_gpu_denied(current_task()))
+ bool isBg;
+ kern_return_t kr = IOUCIsBackgroundTask(current_task(), &isBg);
+
+ if ((KERN_SUCCESS == kr) && isBg)
return (kIOReturnNotPermitted);
}
@@ -5136,13 +4159,16 @@
else
{
IOExternalMethod * method;
- object = 0;
- if( !(method = getTargetAndMethodForIndex(&object, selector)) || !object )
+
+ if( !(method = getTargetAndMethodForIndex(&object, selector)) )
return (kIOReturnUnsupported);
if (kIOUCForegroundOnly & method->flags)
{
- if (task_is_gpu_denied(current_task()))
+ bool isBg;
+ kern_return_t kr = IOUCIsBackgroundTask(current_task(), &isBg);
+
+ if ((KERN_SUCCESS == kr) && isBg)
return (kIOReturnNotPermitted);
}
@@ -5183,6 +4209,9 @@
return (err);
}
+
+
+}; /* extern "C" */
#if __LP64__
OSMetaClassDefineReservedUnused(IOUserClient, 0);