/*
- * 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/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
#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))
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
extern "C" {
// functions called from osfmk/device/iokit_rpc.c
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 );
void * reference, vm_size_t referenceSize, vm_size_t extraSize,
bool client64 )
{
+ if( !super::init())
+ return( false );
if (referenceSize > sizeof(OSAsyncReference64))
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,
if (kIOMessageCopyClientID == messageType)
{
- *((void **) messageArgument) = IOCopyLogNameForPID(owningPID);
- return (kIOReturnSuccess);
+ *((void **) messageArgument) = OSNumber::withNumber(owningPID, 32);
+ return (kIOReturnSuccess);
}
data->messageType = messageType;
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)
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_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( thisPort)
iokit_release_port( thisPort );
if( providerPort)
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);
}
+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 )
{
if (!strncmp(privilegeName, kIOClientPrivilegeForeground,
sizeof(kIOClientPrivilegeForeground)))
{
- /* is graphics access denied for current task? */
- if (proc_get_task_selfgpuacc_deny() != 0)
+ if (task_is_gpu_denied(current_task()))
return (kIOReturnNotPrivileged);
- else
+ else
return (kIOReturnSuccess);
}
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())
bool IOUserClient::reserve()
{
- if(!reserved) {
- reserved = IONew(ExpansionData, 1);
- if (!reserved) {
- return false;
- }
+ if(!reserved) {
+ reserved = IONew(ExpansionData, 1);
+ if (!reserved) {
+ return false;
}
-
- IOStatisticsRegisterCounter();
-
- return true;
+ }
+ setTerminateDefer(NULL, true);
+ IOStatisticsRegisterCounter();
+
+ return true;
}
void IOUserClient::free()
mach_port_name_t name;
name = IOMachPort::makeSendRightForTask( task, obj, IKOT_IOKIT_OBJECT );
- assert( name );
*(mach_port_name_t *)clientObj = name;
return kIOReturnSuccess;
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
{
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)
+ 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))
IOLog("%s: mach_msg_send_from_kernel_proper {%x}\n", __FILE__, kr );
return kr;
}
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,
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 );
-
+ obj = matching_size ? OSUnserializeXML(matching, matching_size)
+ : OSUnserializeXML(matching);
if( (dict = OSDynamicCast( OSDictionary, obj))) {
*matches = service->passiveMatch( dict );
kr = kIOReturnSuccess;
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(
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 );
-
+ obj = matching_size ? OSUnserializeXML(matching, matching_size)
+ : OSUnserializeXML(matching);
if( (dict = OSDynamicCast( OSDictionary, obj))) {
*existing = IOService::getMatchingServices( dict );
kr = kIOReturnSuccess;
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 (internal_io_service_get_matching_services(master_port, matching, 0, existing));
+}
+
/* 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 );
+ *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);
+
+ 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
+ *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 )))) {
+ if (matching_size)
+ {
+ dict = OSDynamicCast(OSDictionary, OSUnserializeXML(matching, matching_size));
+ }
+ else
+ {
+ dict = OSDynamicCast(OSDictionary, OSUnserializeXML(matching));
+ }
+
+ if (!dict) {
err = kIOReturnBadArgument;
continue;
}
if( userNotify && !userNotify->init( port, userMsgType,
reference, referenceSize, client64)) {
+ iokit_release_port_send(port);
userNotify->release();
userNotify = 0;
}
io_object_t * notification )
{
return (internal_io_service_add_notification(master_port, notification_type,
- matching, port, &reference[0], sizeof(io_async_ref_t),
+ matching, 0, port, &reference[0], sizeof(io_async_ref_t),
false, notification));
}
io_object_t *notification )
{
return (internal_io_service_add_notification(master_port, notification_type,
- matching, wake_port, &reference[0], sizeof(io_async_ref64_t),
+ matching, 0, 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,
if( KERN_SUCCESS == kr) {
// must return success after vm_map_copyout() succeeds
*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( 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 );
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);
if( !obj)
return( kIOReturnNoMemory );
}
- s->clearText();
-
if( obj->serialize( s )) {
len = s->getLength();
*propertiesCnt = len;
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(
io_object_t registry_entry,
io_buf_ptr_t *properties,
mach_msg_type_number_t *propertiesCnt )
{
- kern_return_t err;
+ kern_return_t err = 0;
vm_size_t len;
CHECK( IORegistryEntry, registry_entry, entry );
if( !s)
return( kIOReturnNoMemory );
- s->clearText();
+ 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( entry->serializeProperties( s )) {
+ 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 )) {
len = s->getLength();
*propertiesCnt = len;
err = copyoutkdata( s->text(), len, properties );
- } else
- err = kIOReturnUnsupported;
+ } else err = kIOReturnUnsupported;
s->release();
+ obj->release();
return( err );
}
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 );
+ obj = OSUnserializeXML( (const char *) data, propertiesCnt );
vm_deallocate( kernel_map, data, propertiesCnt );
if (!obj)
#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 );
+ {
+ res = entry->setProperties( obj );
+ }
+
if (obj)
obj->release();
} else
return( service->requestProbe( options ));
}
+/* Routine io_service_get_authorization_id */
+kern_return_t is_io_service_get_authorization_id(
+ io_object_t _service,
+ uint64_t *authorization_id )
+{
+ kern_return_t kr;
+
+ 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 ) );
+}
+
/* Routine io_service_open_ndr */
kern_return_t is_io_service_open_extended(
io_object_t _service,
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)
client->setProperty(kIOUserClientCreatorKey, creatorName);
creatorName->release();
}
+ client->setTerminateDefer(service, false);
}
}
while (false);
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;
io_object_t connect,
uint32_t type,
task_t task,
- vm_address_t mapAddr )
+ uint32_t mapAddr )
{
IOReturn err;
mach_vm_address_t address;
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.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.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;
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]);
IOReturn err;
err = kIOReturnBadArgument;
+ bzero(&_output[0], sizeof(_output));
do {
if( inputCount != method->count0)
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]);
IOReturn err;
io_async_ref_t reference;
+ bzero(&_output[0], sizeof(_output));
for (i = 0; i < asyncReferenceCount; i++)
reference[i] = REF32(asyncReference[i]);
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;
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;
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( 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 );
- }
- }
- 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;
+ input, (void *)(uintptr_t)inputCount, 0, 0, 0, 0 );
}
-
- 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 (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;
array = OSDynamicCast(OSArray, obj);
if (array) {
- if ( !gIOCatalogue->resetAndAddDrivers(array,
+ if ( !gIOCatalogue->resetAndAddDrivers(array,
flag == kIOCatalogResetDrivers) ) {
kr = kIOReturnError;
if ( !s )
return kIOReturnNoMemory;
- s->clearText();
-
kr = gIOCatalogue->serializeData(flag, s);
if ( kr == kIOReturnSuccess ) {
if (kIOUCForegroundOnly & method->flags)
{
- /* is graphics access denied for current task? */
- if (proc_get_task_selfgpuacc_deny() != 0)
+ if (task_is_gpu_denied(current_task()))
return (kIOReturnNotPermitted);
}
if (kIOUCForegroundOnly & method->flags)
{
- /* is graphics access denied for current task? */
- if (proc_get_task_selfgpuacc_deny() != 0)
+ if (task_is_gpu_denied(current_task()))
return (kIOReturnNotPermitted);
-
}
switch (method->flags & kIOUCTypeMask)