-/* $Id: driver.c,v 1.45 2004/04/12 15:22:53 navaraf Exp $
+/* $Id$
*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/io/driver.c
- * PURPOSE: Loading and unloading of drivers
- * PROGRAMMER: David Welch (welch@cwcom.net)
- * Filip Navara (xnavara@volny.cz)
- * UPDATE HISTORY:
- * 15/05/98: Created
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * FILE: ntoskrnl/io/driver.c
+ * PURPOSE: Loading and unloading of drivers
+ *
+ * PROGRAMMERS: David Welch (welch@cwcom.net)
+ * Filip Navara (xnavara@volny.cz)
*/
/* INCLUDES *******************************************************************/
-#include <limits.h>
-#include <ddk/ntddk.h>
-#include <internal/io.h>
-#include <internal/po.h>
-#include <internal/ldr.h>
-#include <internal/id.h>
-#include <internal/pool.h>
-#include <internal/se.h>
-#include <internal/mm.h>
-#include <internal/ke.h>
-#include <internal/kd.h>
-#include <rosrtl/string.h>
-
-#include <roscfg.h>
-
+#include <ntoskrnl.h>
#define NDEBUG
#include <internal/debug.h>
/* ke/main.c */
extern LOADER_PARAMETER_BLOCK EXPORTED KeLoaderBlock;
+extern ULONG KeTickCount;
+extern BOOLEAN SetupMode;
NTSTATUS
LdrProcessModule(PVOID ModuleLoadBase,
LIST_ENTRY GroupListEntry;
UNICODE_STRING GroupName;
BOOLEAN ServicesRunning;
+ ULONG TagCount;
+ PULONG TagArray;
} SERVICE_GROUP, *PSERVICE_GROUP;
typedef struct _SERVICE
/* GLOBALS ********************************************************************/
static LIST_ENTRY DriverReinitListHead;
-static PLIST_ENTRY DriverReinitTailEntry;
static KSPIN_LOCK DriverReinitListLock;
+static PLIST_ENTRY DriverReinitTailEntry;
+
+static PLIST_ENTRY DriverBootReinitTailEntry;
+static LIST_ENTRY DriverBootReinitListHead;
+static KSPIN_LOCK DriverBootReinitListLock;
static LIST_ENTRY GroupListHead = {NULL, NULL};
static LIST_ENTRY ServiceListHead = {NULL, NULL};
-POBJECT_TYPE EXPORTED IoDriverObjectType = NULL;
+static UNICODE_STRING IopHardwareDatabaseKey =
+ ROS_STRING_INITIALIZER(L"\\REGISTRY\\MACHINE\\HARDWARE\\DESCRIPTION\\SYSTEM");
-#define TAG_DRIVER TAG('D', 'R', 'V', 'R')
-#define TAG_DRIVER_EXTENSION TAG('D', 'R', 'V', 'E')
-
-#define DRIVER_REGISTRY_KEY_BASENAME L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\"
+POBJECT_TYPE EXPORTED IoDriverObjectType = NULL;
/* DECLARATIONS ***************************************************************/
-NTSTATUS STDCALL
-IopCreateDriver(
- PVOID ObjectBody,
- PVOID Parent,
- PWSTR RemainingPath,
- POBJECT_ATTRIBUTES ObjectAttributes);
-
VOID STDCALL
IopDeleteDriver(PVOID ObjectBody);
/* PRIVATE FUNCTIONS **********************************************************/
-VOID INIT_FUNCTION
+VOID
+INIT_FUNCTION
IopInitDriverImplementation(VOID)
{
- /* Register the process object type */
- IoDriverObjectType = ExAllocatePool(NonPagedPool, sizeof(OBJECT_TYPE));
- IoDriverObjectType->Tag = TAG('D', 'R', 'V', 'R');
- IoDriverObjectType->TotalObjects = 0;
- IoDriverObjectType->TotalHandles = 0;
- IoDriverObjectType->MaxObjects = ULONG_MAX;
- IoDriverObjectType->MaxHandles = ULONG_MAX;
- IoDriverObjectType->PagedPoolCharge = 0;
- IoDriverObjectType->NonpagedPoolCharge = sizeof(DRIVER_OBJECT);
- IoDriverObjectType->Dump = NULL;
- IoDriverObjectType->Open = NULL;
- IoDriverObjectType->Close = NULL;
- IoDriverObjectType->Delete = IopDeleteDriver;
- IoDriverObjectType->Parse = NULL;
- IoDriverObjectType->Security = NULL;
- IoDriverObjectType->QueryName = NULL;
- IoDriverObjectType->OkayToClose = NULL;
- IoDriverObjectType->Create = IopCreateDriver;
- IoDriverObjectType->DuplicationNotify = NULL;
- RtlRosInitUnicodeStringFromLiteral(&IoDriverObjectType->TypeName, L"Driver");
-
- ObpCreateTypeObject(IoDriverObjectType);
+ OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
+ UNICODE_STRING Name;
+
+ DPRINT1("Creating Registry Object Type\n");
+
+ /* Initialize the Driver object type */
+ RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
+ RtlInitUnicodeString(&Name, L"Driver");
+ ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
+ ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(DRIVER_OBJECT);
+ ObjectTypeInitializer.PoolType = NonPagedPool;
+ ObjectTypeInitializer.UseDefaultObject = TRUE;
+ ObjectTypeInitializer.DeleteProcedure = IopDeleteDriver;
+
+ ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &IoDriverObjectType);
InitializeListHead(&DriverReinitListHead);
KeInitializeSpinLock(&DriverReinitListLock);
DriverReinitTailEntry = NULL;
+
+ InitializeListHead(&DriverBootReinitListHead);
+ KeInitializeSpinLock(&DriverBootReinitListLock);
+ DriverBootReinitTailEntry = NULL;
}
NTSTATUS STDCALL
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+ Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS STDCALL
-IopCreateDriver(
- PVOID ObjectBody,
- PVOID Parent,
- PWSTR RemainingPath,
- POBJECT_ATTRIBUTES ObjectAttributes)
-{
- PDRIVER_OBJECT Object = ObjectBody;
- ULONG i;
-
- DPRINT("IopCreateDriver(ObjectBody %x, Parent %x, RemainingPath %S)\n",
- ObjectBody, Parent, RemainingPath);
-
- if (RemainingPath != NULL && wcschr(RemainingPath + 1, '\\') != NULL)
- return STATUS_UNSUCCESSFUL;
-
- /* Create driver extension */
- Object->DriverExtension = (PDRIVER_EXTENSION)
- ExAllocatePoolWithTag(
- NonPagedPool,
- sizeof(DRIVER_EXTENSION),
- TAG_DRIVER_EXTENSION);
-
- if (Object->DriverExtension == NULL)
- {
- return STATUS_NO_MEMORY;
- }
-
- RtlZeroMemory(Object->DriverExtension, sizeof(DRIVER_EXTENSION));
-
- Object->Type = InternalDriverType;
-
- for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
- Object->MajorFunction[i] = IopInvalidDeviceRequest;
-
- return STATUS_SUCCESS;
+ return STATUS_INVALID_DEVICE_REQUEST;
}
VOID STDCALL
DPRINT("IopDeleteDriver(ObjectBody %x)\n", ObjectBody);
ExFreePool(Object->DriverExtension);
+ ExFreePool(Object->DriverName.Buffer);
OldIrql = KeRaiseIrqlToDpcLevel();
DriverExtension = NextDriverExtension)
{
NextDriverExtension = DriverExtension->Link;
- ExFreePool(DriverExtension);
+ ExFreePoolWithTag(DriverExtension, TAG_DRIVER_EXTENSION);
}
KfLowerIrql(OldIrql);
}
+NTSTATUS FASTCALL
+IopGetDriverObject(
+ PDRIVER_OBJECT *DriverObject,
+ PUNICODE_STRING ServiceName,
+ BOOLEAN FileSystem)
+{
+ PDRIVER_OBJECT Object;
+ WCHAR NameBuffer[MAX_PATH];
+ UNICODE_STRING DriverName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ NTSTATUS Status;
+
+ DPRINT("IopOpenDriverObject(%p '%wZ' %x)\n",
+ DriverObject, ServiceName, FileSystem);
+
+ *DriverObject = NULL;
+
+ /* Create ModuleName string */
+ if (ServiceName == NULL || ServiceName->Buffer == NULL)
+ /* We don't know which DriverObject we have to open */
+ return STATUS_INVALID_PARAMETER_2;
+
+ if (FileSystem == TRUE)
+ wcscpy(NameBuffer, FILESYSTEM_ROOT_NAME);
+ else
+ wcscpy(NameBuffer, DRIVER_ROOT_NAME);
+ wcscat(NameBuffer, ServiceName->Buffer);
+
+ RtlInitUnicodeString(&DriverName, NameBuffer);
+ DPRINT("Driver name: '%wZ'\n", &DriverName);
+
+ /* Initialize ObjectAttributes for driver object */
+ InitializeObjectAttributes(
+ &ObjectAttributes,
+ &DriverName,
+ OBJ_OPENIF | OBJ_KERNEL_HANDLE,
+ NULL,
+ NULL);
+
+ /* Open driver object */
+ Status = ObReferenceObjectByName(
+ &DriverName,
+ 0, /* Attributes */
+ NULL, /* PassedAccessState */
+ 0, /* DesiredAccess */
+ IoDriverObjectType,
+ KernelMode,
+ NULL, /* ParseContext */
+ (PVOID*)&Object);
+
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ *DriverObject = Object;
+
+ return STATUS_SUCCESS;
+}
+
NTSTATUS FASTCALL
IopCreateDriverObject(
PDRIVER_OBJECT *DriverObject,
PUNICODE_STRING ServiceName,
+ ULONG CreateAttributes,
BOOLEAN FileSystem,
PVOID DriverImageStart,
ULONG DriverImageSize)
UNICODE_STRING DriverName;
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
+ ULONG i;
+ PWSTR Buffer = NULL;
DPRINT("IopCreateDriverObject(%p '%wZ' %x %p %x)\n",
DriverObject, ServiceName, FileSystem, DriverImageStart, DriverImageSize);
RtlInitUnicodeString(&DriverName, NameBuffer);
DPRINT("Driver name: '%wZ'\n", &DriverName);
+
+ Buffer = (PWSTR)ExAllocatePool(NonPagedPool, DriverName.Length);
+ /* If we don't success, it is not a problem. Our driver
+ * object will not have associated driver name... */
}
else
{
InitializeObjectAttributes(
&ObjectAttributes,
&DriverName,
- OBJ_PERMANENT,
+ CreateAttributes | OBJ_PERMANENT,
NULL,
NULL);
return Status;
}
+ Status = ObInsertObject(Object,
+ NULL,
+ FILE_ALL_ACCESS,
+ 0,
+ NULL,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+
+ /* Create driver extension */
+ Object->DriverExtension = (PDRIVER_EXTENSION)
+ ExAllocatePoolWithTag(
+ NonPagedPool,
+ sizeof(DRIVER_EXTENSION),
+ TAG_DRIVER_EXTENSION);
+
+ if (Object->DriverExtension == NULL)
+ {
+ return STATUS_NO_MEMORY;
+ }
+
+ RtlZeroMemory(Object->DriverExtension, sizeof(DRIVER_EXTENSION));
+
+ Object->Type = IO_TYPE_DRIVER;
+
+ for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
+ Object->MajorFunction[i] = IopInvalidDeviceRequest;
+
+ Object->HardwareDatabase = &IopHardwareDatabaseKey;
+
Object->DriverStart = DriverImageStart;
Object->DriverSize = DriverImageSize;
+ if (Buffer)
+ {
+ if (!Object->DriverName.Buffer)
+ {
+ Object->DriverName.Buffer = Buffer;
+ Object->DriverName.Length = Object->DriverName.MaximumLength = DriverName.Length;
+ RtlCopyMemory(Object->DriverName.Buffer, DriverName.Buffer, DriverName.Length);
+ }
+ else
+ ExFreePool(Buffer);
+ }
*DriverObject = Object;
* Display 'Loading XXX...' message.
*/
-VOID FASTCALL
-IopDisplayLoadingMessage(PWCHAR ServiceName)
+VOID
+FASTCALL
+INIT_FUNCTION
+IopDisplayLoadingMessage(PVOID ServiceName,
+ BOOLEAN Unicode)
{
- CHAR TextBuffer[256];
- sprintf(TextBuffer, "Loading %S...\n", ServiceName);
- HalDisplayString(TextBuffer);
+ if (SetupMode) return;
+ CHAR TextBuffer[256];
+ if (Unicode)
+ {
+ sprintf(TextBuffer, "Loading %S...\n", (PWCHAR)ServiceName);
+ }
+ else
+ {
+ sprintf(TextBuffer, "Loading %s...\n", (PCHAR)ServiceName);
+ }
+ HalDisplayString(TextBuffer);
}
/*
wcscpy(ImagePath->Buffer, L"\\SystemRoot\\");
wcscat(ImagePath->Buffer, InputImagePath.Buffer);
- RtlFreeUnicodeString(&InputImagePath);
+ ExFreePool(InputImagePath.Buffer);
}
return STATUS_SUCCESS;
DPRINT("RtlQueryRegistryValues() failed (Status %x)\n", Status);
return Status;
}
-
- IopDisplayLoadingMessage(ServiceName->Buffer);
+
+ IopDisplayLoadingMessage(ServiceName->Buffer, TRUE);
/*
* Normalize the image path for all later processing.
for (i = 1; i < KeLoaderBlock.ModsCount; i++)
{
ModuleName = (PCHAR)KeLoaderModules[i].String;
- if (!strcmp(ModuleName, SearchName))
+ if (!_stricmp(ModuleName, SearchName))
{
DPRINT("Initializing boot module\n");
&ServiceImagePath,
ModuleObject);
+ KDB_SYMBOLFILE_HOOK(SearchName);
+
break;
}
}
else
{
DPRINT("Module already loaded\n");
- Status = STATUS_SUCCESS;
+ Status = STATUS_IMAGE_ALREADY_LOADED;
}
- RtlFreeUnicodeString(&ServiceImagePath);
+ ExFreePool(ServiceImagePath.Buffer);
/*
* Now check if the module was loaded successfully.
* Module object representing the driver. It can be retrieve by
* IopLoadServiceModule.
*
+ * ServiceName
+ * Name of the service (as in registry).
+ *
* FileSystemDriver
* Set to TRUE for file system drivers.
*
IopInitializeDriverModule(
IN PDEVICE_NODE DeviceNode,
IN PMODULE_OBJECT ModuleObject,
+ IN PUNICODE_STRING ServiceName,
IN BOOLEAN FileSystemDriver,
OUT PDRIVER_OBJECT *DriverObject)
{
+ const WCHAR ServicesKeyName[] = L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\";
UNICODE_STRING RegistryKey;
- PDRIVER_INITIALIZE DriverEntry = ModuleObject->EntryPoint;
+ PDRIVER_INITIALIZE DriverEntry;
NTSTATUS Status;
+ DriverEntry = ModuleObject->EntryPoint;
+
+ if (ServiceName != NULL && ServiceName->Length != 0)
+ {
+ RegistryKey.Length = 0;
+ RegistryKey.MaximumLength = sizeof(ServicesKeyName) + ServiceName->Length;
+ RegistryKey.Buffer = ExAllocatePool(PagedPool, RegistryKey.MaximumLength);
+ if (RegistryKey.Buffer == NULL)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ RtlAppendUnicodeToString(&RegistryKey, ServicesKeyName);
+ RtlAppendUnicodeStringToString(&RegistryKey, ServiceName);
+ }
+ else
+ {
+ RtlInitUnicodeString(&RegistryKey, NULL);
+ }
+
Status = IopCreateDriverObject(
DriverObject,
- &DeviceNode->ServiceName,
+ ServiceName,
+ 0,
FileSystemDriver,
ModuleObject->Base,
ModuleObject->Length);
return Status;
}
- if (DeviceNode->ServiceName.Buffer)
- {
- RegistryKey.Length = DeviceNode->ServiceName.Length +
- sizeof(DRIVER_REGISTRY_KEY_BASENAME);
- RegistryKey.MaximumLength = RegistryKey.Length + sizeof(UNICODE_NULL);
- RegistryKey.Buffer = ExAllocatePool(PagedPool, RegistryKey.MaximumLength);
- wcscpy(RegistryKey.Buffer, DRIVER_REGISTRY_KEY_BASENAME);
- wcscat(RegistryKey.Buffer, DeviceNode->ServiceName.Buffer);
- }
- else
- {
- RtlInitUnicodeString(&RegistryKey, NULL);
- }
-
DPRINT("RegistryKey: %wZ\n", &RegistryKey);
DPRINT("Calling driver entrypoint at %08lx\n", DriverEntry);
IopMarkLastReinitializeDriver();
Status = DriverEntry(*DriverObject, &RegistryKey);
+
+ RtlFreeUnicodeString(&RegistryKey);
+
if (!NT_SUCCESS(Status))
{
ObMakeTemporaryObject(*DriverObject);
PMODULE_OBJECT ModuleObject;
PDRIVER_OBJECT DriverObject;
NTSTATUS Status;
-
+
for (Filters = ValueData;
((ULONG_PTR)Filters - (ULONG_PTR)ValueData) < ValueLength &&
*Filters != 0;
{
DPRINT("Filter Driver: %S (%wZ)\n", Filters, &DeviceNode->InstancePath);
ServiceName.Buffer = Filters;
- ServiceName.MaximumLength =
+ ServiceName.MaximumLength =
ServiceName.Length = wcslen(Filters) * sizeof(WCHAR);
/* Load and initialize the filter driver */
Status = IopLoadServiceModule(&ServiceName, &ModuleObject);
- if (!NT_SUCCESS(Status))
- continue;
+ if (Status != STATUS_IMAGE_ALREADY_LOADED)
+ {
+ if (!NT_SUCCESS(Status))
+ continue;
- Status = IopInitializeDriverModule(DeviceNode, ModuleObject, FALSE, &DriverObject);
- if (!NT_SUCCESS(Status))
- continue;
+ Status = IopInitializeDriverModule(DeviceNode, ModuleObject, &ServiceName,
+ FALSE, &DriverObject);
+ if (!NT_SUCCESS(Status))
+ continue;
+ }
+ else
+ {
+ /* get existing DriverObject pointer */
+ Status = IopGetDriverObject(
+ &DriverObject,
+ &ServiceName,
+ FALSE);
+ if (!NT_SUCCESS(Status))
+ continue;
+ }
Status = IopInitializeDevice(DeviceNode, DriverObject);
if (!NT_SUCCESS(Status))
/*
* First load the device filters
*/
-
+
QueryTable[0].QueryRoutine = IopAttachFilterDriversCallback;
if (Lower)
QueryTable[0].Name = L"LowerFilters";
QueryTable[1].Name = NULL;
KeyBuffer = ExAllocatePool(
- PagedPool,
+ PagedPool,
(49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
wcscpy(KeyBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
- wcscat(KeyBuffer, DeviceNode->InstancePath.Buffer);
+ wcscat(KeyBuffer, DeviceNode->InstancePath.Buffer);
RtlQueryRegistryValues(
RTL_REGISTRY_ABSOLUTE,
ExFreePool(KeyBuffer);
}
-
+
return STATUS_SUCCESS;
}
+static NTSTATUS STDCALL
+IopGetGroupOrderList(PWSTR ValueName,
+ ULONG ValueType,
+ PVOID ValueData,
+ ULONG ValueLength,
+ PVOID Context,
+ PVOID EntryContext)
+{
+ PSERVICE_GROUP Group;
+
+ DPRINT("IopGetGroupOrderList(%S, %x, %x, %x, %x, %x)\n",
+ ValueName, ValueType, ValueData, ValueLength, Context, EntryContext);
+
+ if (ValueType == REG_BINARY &&
+ ValueData != NULL &&
+ ValueLength >= sizeof(DWORD) &&
+ ValueLength >= (*(PULONG)ValueData + 1) * sizeof(DWORD))
+ {
+ Group = (PSERVICE_GROUP)Context;
+ Group->TagCount = ((PULONG)ValueData)[0];
+ if (Group->TagCount > 0)
+ {
+ if (ValueLength >= (Group->TagCount + 1) * sizeof(DWORD))
+ {
+ Group->TagArray = ExAllocatePool(NonPagedPool, Group->TagCount * sizeof(DWORD));
+ if (Group->TagArray == NULL)
+ {
+ Group->TagCount = 0;
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ memcpy(Group->TagArray, (PULONG)ValueData + 1, Group->TagCount * sizeof(DWORD));
+ }
+ else
+ {
+ Group->TagCount = 0;
+ return STATUS_UNSUCCESSFUL;
+ }
+ }
+ }
+ return STATUS_SUCCESS;
+}
+
static NTSTATUS STDCALL
IopCreateGroupListEntry(PWSTR ValueName,
ULONG ValueType,
PVOID EntryContext)
{
PSERVICE_GROUP Group;
+ RTL_QUERY_REGISTRY_TABLE QueryTable[2];
+ NTSTATUS Status;
+
if (ValueType == REG_SZ)
{
RtlZeroMemory(Group, sizeof(SERVICE_GROUP));
- if (!RtlCreateUnicodeString(&Group->GroupName,
- (PWSTR)ValueData))
+ if (!RtlpCreateUnicodeString(&Group->GroupName, (PWSTR)ValueData, NonPagedPool))
{
ExFreePool(Group);
return(STATUS_INSUFFICIENT_RESOURCES);
}
+ RtlZeroMemory(&QueryTable, sizeof(QueryTable));
+ QueryTable[0].Name = (PWSTR)ValueData;
+ QueryTable[0].QueryRoutine = IopGetGroupOrderList;
+
+ Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL,
+ L"GroupOrderList",
+ QueryTable,
+ (PVOID)Group,
+ NULL);
+ DPRINT("%x %d %S\n", Status, Group->TagCount, (PWSTR)ValueData);
InsertTailList(&GroupListHead,
&Group->GroupListEntry);
static NTSTATUS STDCALL
IopCreateServiceListEntry(PUNICODE_STRING ServiceName)
{
- RTL_QUERY_REGISTRY_TABLE QueryTable[6];
+ RTL_QUERY_REGISTRY_TABLE QueryTable[7];
PSERVICE Service;
NTSTATUS Status;
QueryTable[4].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[4].EntryContext = &Service->ImagePath;
+ QueryTable[5].Name = L"Tag";
+ QueryTable[5].Flags = RTL_QUERY_REGISTRY_DIRECT;
+ QueryTable[5].EntryContext = &Service->Tag;
+
Status = RtlQueryRegistryValues(RTL_REGISTRY_SERVICES,
ServiceName->Buffer,
QueryTable,
NULL);
if (!NT_SUCCESS(Status) || Service->Start > 1)
{
- RtlFreeUnicodeString(&Service->ServiceGroup);
- RtlFreeUnicodeString(&Service->ImagePath);
+ /*
+ * If something goes wrong during RtlQueryRegistryValues
+ * it'll just drop everything on the floor and return,
+ * so you have to check if the buffers were filled.
+ * Luckily we zerofilled the Service.
+ */
+ if (Service->ServiceGroup.Buffer)
+ {
+ ExFreePool(Service->ServiceGroup.Buffer);
+ }
+ if (Service->ImagePath.Buffer)
+ {
+ ExFreePool(Service->ImagePath.Buffer);
+ }
ExFreePool(Service);
return(Status);
}
DPRINT("RegistryPath: '%wZ'\n", &Service->RegistryPath);
DPRINT("ServiceGroup: '%wZ'\n", &Service->ServiceGroup);
DPRINT("ImagePath: '%wZ'\n", &Service->ImagePath);
- DPRINT("Start %lx Type %lx ErrorControl %lx\n",
- Service->Start, Service->Type, Service->ErrorControl);
+ DPRINT("Start %lx Type %lx Tag %lx ErrorControl %lx\n",
+ Service->Start, Service->Type, Service->Tag, Service->ErrorControl);
/* Append service entry */
InsertTailList(&ServiceListHead,
NULL,
NULL);
- Status = NtOpenKey(&KeyHandle,
- 0x10001,
+ Status = ZwOpenKey(&KeyHandle,
+ KEY_ENUMERATE_SUB_KEYS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
KeyInfo = ExAllocatePool(NonPagedPool, KeyInfoLength);
if (KeyInfo == NULL)
{
- NtClose(KeyHandle);
+ ZwClose(KeyHandle);
return(STATUS_INSUFFICIENT_RESOURCES);
}
Index = 0;
while (TRUE)
{
- Status = NtEnumerateKey(KeyHandle,
+ Status = ZwEnumerateKey(KeyHandle,
Index,
KeyBasicInformation,
KeyInfo,
}
ExFreePool(KeyInfo);
- NtClose(KeyHandle);
+ ZwClose(KeyHandle);
DPRINT("IoCreateDriverList() done\n");
{
CurrentGroup = CONTAINING_RECORD(GroupEntry, SERVICE_GROUP, GroupListEntry);
- RtlFreeUnicodeString(&CurrentGroup->GroupName);
+ ExFreePool(CurrentGroup->GroupName.Buffer);
RemoveEntryList(GroupEntry);
+ if (CurrentGroup->TagArray)
+ {
+ ExFreePool(CurrentGroup->TagArray);
+ }
ExFreePool(CurrentGroup);
GroupEntry = GroupListHead.Flink;
{
CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
- RtlFreeUnicodeString(&CurrentService->ServiceName);
- RtlFreeUnicodeString(&CurrentService->RegistryPath);
- RtlFreeUnicodeString(&CurrentService->ServiceGroup);
- RtlFreeUnicodeString(&CurrentService->ImagePath);
+ ExFreePool(CurrentService->ServiceName.Buffer);
+ ExFreePool(CurrentService->RegistryPath.Buffer);
+ ExFreePool(CurrentService->ServiceGroup.Buffer);
+ ExFreePool(CurrentService->ImagePath.Buffer);
RemoveEntryList(ServiceEntry);
ExFreePool(CurrentService);
return(STATUS_SUCCESS);
}
-VOID STATIC
+VOID STATIC INIT_FUNCTION
MiFreeBootDriverMemory(PVOID StartAddress, ULONG Length)
{
ULONG i;
* Initialize a driver that is already loaded in memory.
*/
-NTSTATUS FASTCALL
+NTSTATUS FASTCALL INIT_FUNCTION
IopInitializeBuiltinDriver(
PDEVICE_NODE ModuleDeviceNode,
PVOID ModuleLoadBase,
PDEVICE_NODE DeviceNode;
PDRIVER_OBJECT DriverObject;
NTSTATUS Status;
- CHAR TextBuffer[256];
PCHAR FileNameWithoutPath;
LPWSTR FileExtension;
FileName, ModuleLoadBase, ModuleLength);
/*
- * Display 'Initializing XXX...' message
+ * Display 'Loading XXX...' message
*/
-
- sprintf(TextBuffer, "Initializing %s...\n", FileName);
- HalDisplayString(TextBuffer);
+ IopDisplayLoadingMessage(FileName, FALSE);
/*
* Determine the right device object
FileNameWithoutPath);
Status = LdrProcessModule(ModuleLoadBase, &DeviceNode->ServiceName,
&ModuleObject);
- if (ModuleObject == NULL)
+ if (!NT_SUCCESS(Status))
{
if (ModuleDeviceNode == NULL)
IopFreeDeviceNode(DeviceNode);
CPRINT("Driver load failed, status (%x)\n", Status);
- return STATUS_UNSUCCESSFUL;
+ return Status;
}
+ /* Load symbols */
+ KDB_SYMBOLFILE_HOOK(FileName);
+
/*
* Strip the file extension from ServiceName
*/
FileExtension = wcsrchr(DeviceNode->ServiceName.Buffer, '.');
if (FileExtension != NULL)
{
- DeviceNode->ServiceName.Length -= wcslen(DeviceNode->ServiceName.Buffer);
+ DeviceNode->ServiceName.Length -= wcslen(FileExtension) * sizeof(WCHAR);
FileExtension[0] = 0;
}
* Initialize the driver
*/
- Status = IopInitializeDriverModule(DeviceNode, ModuleObject, FALSE,
- &DriverObject);
-
+ Status = IopInitializeDriverModule(DeviceNode, ModuleObject,
+ &DeviceNode->ServiceName, FALSE, &DriverObject);
+
if (!NT_SUCCESS(Status))
{
if (ModuleDeviceNode == NULL)
}
Status = IopInitializeDevice(DeviceNode, DriverObject);
+ if (NT_SUCCESS(Status))
+ {
+ Status = IopStartDevice(DeviceNode);
+ }
return Status;
}
*
* Parameters
* None
- *
+ *
* Return Value
* None
*/
PCHAR Extension;
PLOADER_MODULE KeLoaderModules = (PLOADER_MODULE)KeLoaderBlock.ModsAddr;
ULONG i;
+ UNICODE_STRING DriverName;
+ NTSTATUS Status;
DPRINT("IopInitializeBootDrivers()\n");
BootDriverCount = 0;
- for (i = 2; i < KeLoaderBlock.ModsCount; i++)
+ for (i = 0; i < KeLoaderBlock.ModsCount; i++)
{
ModuleStart = KeLoaderModules[i].ModStart;
ModuleSize = KeLoaderModules[i].ModEnd - ModuleStart;
if (Extension == NULL)
Extension = "";
- /*
- * Pass symbol files to kernel debugger
- */
-
- if (!_stricmp(Extension, ".sym"))
+ if (!_stricmp(Extension, ".sym") || !_stricmp(Extension, ".dll"))
{
- KDB_SYMBOLFILE_HOOK((PVOID)ModuleStart, ModuleName, ModuleSize);
- } else
+ /* Process symbols for *.exe and *.dll */
+ KDB_SYMBOLFILE_HOOK(ModuleName);
- /*
- * Load builtin driver
- */
-
- if (!_stricmp(Extension, ".sys"))
+ /* Log *.exe and *.dll files */
+ RtlCreateUnicodeStringFromAsciiz(&DriverName, ModuleName);
+ IopBootLog(&DriverName, TRUE);
+ RtlFreeUnicodeString(&DriverName);
+ }
+ else if (!_stricmp(Extension, ".sys"))
{
+ /* Initialize and log boot start driver */
if (!ModuleLoaded)
{
- IopInitializeBuiltinDriver(NULL, (PVOID)ModuleStart, ModuleName,
- ModuleSize);
+ Status = IopInitializeBuiltinDriver(NULL,
+ (PVOID)ModuleStart,
+ ModuleName,
+ ModuleSize);
+ RtlCreateUnicodeStringFromAsciiz(&DriverName, ModuleName);
+ IopBootLog(&DriverName, NT_SUCCESS(Status) ? TRUE : FALSE);
+ RtlFreeUnicodeString(&DriverName);
}
- ++BootDriverCount;
+ BootDriverCount++;
}
+ }
- /*
- * Free memory for all boot files, except ntoskrnl.exe and hal.dll
- */
-
-#ifdef KDBG
- /*
- * Do not free the memory from symbol files, if the kernel debugger
- * is active
- */
- if (_stricmp(Extension, ".sym"))
-#endif
- {
- MiFreeBootDriverMemory((PVOID)KeLoaderModules[i].ModStart,
- KeLoaderModules[i].ModEnd - KeLoaderModules[i].ModStart);
- }
+ /*
+ * Free memory for all boot files, except ntoskrnl.exe.
+ */
+ for (i = 1; i < KeLoaderBlock.ModsCount; i++)
+ {
+ MiFreeBootDriverMemory((PVOID)KeLoaderModules[i].ModStart,
+ KeLoaderModules[i].ModEnd - KeLoaderModules[i].ModStart);
}
+ KeLoaderBlock.ModsCount = 0;
+
if (BootDriverCount == 0)
{
DbgPrint("No boot drivers available.\n");
}
}
+static INIT_FUNCTION NTSTATUS
+IopLoadDriver(PSERVICE Service)
+{
+ NTSTATUS Status = STATUS_UNSUCCESSFUL;
+
+ IopDisplayLoadingMessage(Service->ServiceName.Buffer, TRUE);
+ Status = ZwLoadDriver(&Service->RegistryPath);
+ IopBootLog(&Service->ImagePath, NT_SUCCESS(Status) ? TRUE : FALSE);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopLoadDriver() failed (Status %lx)\n", Status);
+#if 0
+ if (Service->ErrorControl == 1)
+ {
+ /* Log error */
+ }
+ else if (Service->ErrorControl == 2)
+ {
+ if (IsLastKnownGood == FALSE)
+ {
+ /* Boot last known good configuration */
+ }
+ }
+ else if (Service->ErrorControl == 3)
+ {
+ if (IsLastKnownGood == FALSE)
+ {
+ /* Boot last known good configuration */
+ }
+ else
+ {
+ /* BSOD! */
+ }
+ }
+#endif
+ }
+ return Status;
+}
+
+
/*
* IopInitializeSystemDrivers
*
*
* Parameters
* None
- *
+ *
* Return Value
* None
*/
PSERVICE_GROUP CurrentGroup;
PSERVICE CurrentService;
NTSTATUS Status;
+ ULONG i;
DPRINT("IopInitializeSystemDrivers()\n");
DPRINT("Group: %wZ\n", &CurrentGroup->GroupName);
+ /* Load all drivers with a valid tag */
+ for (i = 0; i < CurrentGroup->TagCount; i++)
+ {
+ ServiceEntry = ServiceListHead.Flink;
+ while (ServiceEntry != &ServiceListHead)
+ {
+ CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
+
+ if ((RtlCompareUnicodeString(&CurrentGroup->GroupName,
+ &CurrentService->ServiceGroup, TRUE) == 0) &&
+ (CurrentService->Start == 1 /*SERVICE_SYSTEM_START*/) &&
+ (CurrentService->Tag == CurrentGroup->TagArray[i]))
+ {
+ DPRINT(" Path: %wZ\n", &CurrentService->RegistryPath);
+ Status = IopLoadDriver(CurrentService);
+ }
+ ServiceEntry = ServiceEntry->Flink;
+ }
+ }
+
+ /* Load all drivers without a tag or with an invalid tag */
ServiceEntry = ServiceListHead.Flink;
while (ServiceEntry != &ServiceListHead)
{
CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
-
if ((RtlCompareUnicodeString(&CurrentGroup->GroupName,
- &CurrentService->ServiceGroup, TRUE) == 0) &&
+ &CurrentService->ServiceGroup, TRUE) == 0) &&
(CurrentService->Start == 1 /*SERVICE_SYSTEM_START*/))
{
- DPRINT(" Path: %wZ\n", &CurrentService->RegistryPath);
- IopDisplayLoadingMessage(CurrentService->ServiceName.Buffer);
- Status = NtLoadDriver(&CurrentService->RegistryPath);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("NtLoadDriver() failed (Status %lx)\n", Status);
-#if 0
- if (CurrentService->ErrorControl == 1)
- {
- /* Log error */
- } else
- if (CurrentService->ErrorControl == 2)
- {
- if (IsLastKnownGood == FALSE)
- {
- /* Boot last known good configuration */
- }
- } else
- if (CurrentService->ErrorControl == 3)
- {
- if (IsLastKnownGood == FALSE)
- {
- /* Boot last known good configuration */
- } else
- {
- /* BSOD! */
- }
- }
-#endif
- }
+ for (i = 0; i < CurrentGroup->TagCount; i++)
+ {
+ if (CurrentGroup->TagArray[i] == CurrentService->Tag)
+ {
+ break;
+ }
+ }
+ if (i >= CurrentGroup->TagCount)
+ {
+ DPRINT(" Path: %wZ\n", &CurrentService->RegistryPath);
+ Status = IopLoadDriver(CurrentService);
+ }
}
ServiceEntry = ServiceEntry->Flink;
}
* Whether to unload Plug & Plug or only legacy drivers. If this
* parameter is set to FALSE, the routine will unload only legacy
* drivers.
- *
+ *
* Return Value
* Status
*
* Free the service path
*/
- RtlFreeUnicodeString(&ImagePath);
+ ExFreePool(ImagePath.Buffer);
/*
* Unload the module and release the references to the device object
/* PUBLIC FUNCTIONS ***********************************************************/
+
+/*
+ * @implemented
+ */
+NTSTATUS
+STDCALL
+IoCreateDriver (
+ IN PUNICODE_STRING DriverName, OPTIONAL
+ IN PDRIVER_INITIALIZE InitializationFunction
+ )
+{
+ WCHAR NameBuffer[100];
+ USHORT NameLength;
+ UNICODE_STRING LocalDriverName; /* To reduce code if no name given */
+ NTSTATUS Status;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ ULONG ObjectSize;
+ PDRIVER_OBJECT DriverObject;
+ UNICODE_STRING ServiceKeyName;
+ HANDLE hDriver;
+ ULONG i;
+
+ /* First, create a unique name for the driver if we don't have one */
+ if (!DriverName) {
+
+ /* Create a random name and set up the string*/
+ NameLength = swprintf(NameBuffer, L"\\Driver\\%08u", KeTickCount);
+ LocalDriverName.Length = NameLength * sizeof(WCHAR);
+ LocalDriverName.MaximumLength = LocalDriverName.Length + sizeof(UNICODE_NULL);
+ LocalDriverName.Buffer = NameBuffer;
+
+ } else {
+
+ /* So we can avoid another code path, use a local var */
+ LocalDriverName = *DriverName;
+ }
+
+ /* Initialize the Attributes */
+ ObjectSize = sizeof(DRIVER_OBJECT) + sizeof(DRIVER_EXTENSION);
+ InitializeObjectAttributes(&ObjectAttributes,
+ &LocalDriverName,
+ OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+
+ /* Create the Object */
+ Status = ObCreateObject(KernelMode,
+ IoDriverObjectType,
+ &ObjectAttributes,
+ KernelMode,
+ NULL,
+ ObjectSize,
+ 0,
+ 0,
+ (PVOID*)&DriverObject);
+
+ /* Return on failure */
+ if (!NT_SUCCESS(Status)) return Status;
+
+ /* Set up the Object */
+ RtlZeroMemory(DriverObject, ObjectSize);
+ DriverObject->Type = IO_TYPE_DRIVER;
+ DriverObject->Size = sizeof(DRIVER_OBJECT);
+ DriverObject->Flags = DRVO_BUILTIN_DRIVER;
+ DriverObject->DriverExtension = (PDRIVER_EXTENSION)(DriverObject + 1);
+ DriverObject->DriverExtension->DriverObject = DriverObject;
+ DriverObject->DriverInit = InitializationFunction;
+
+ /* Invalidate all Major Functions */
+ for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
+ {
+ DriverObject->MajorFunction[i] = IopInvalidDeviceRequest;
+ }
+
+ /* Set up the Service Key Name */
+ ServiceKeyName.Buffer = ExAllocatePool(PagedPool, LocalDriverName.Length + sizeof(WCHAR));
+ ServiceKeyName.Length = LocalDriverName.Length;
+ ServiceKeyName.MaximumLength = LocalDriverName.MaximumLength;
+ RtlMoveMemory(ServiceKeyName.Buffer, LocalDriverName.Buffer, LocalDriverName.Length);
+ ServiceKeyName.Buffer[ServiceKeyName.Length / sizeof(WCHAR)] = L'\0';
+ DriverObject->DriverExtension->ServiceKeyName = ServiceKeyName;
+
+ /* Also store it in the Driver Object. This is a bit of a hack. */
+ RtlMoveMemory(&DriverObject->DriverName, &ServiceKeyName, sizeof(UNICODE_STRING));
+
+ /* Add the Object and get its handle */
+ Status = ObInsertObject(DriverObject,
+ NULL,
+ FILE_READ_DATA,
+ 0,
+ NULL,
+ &hDriver);
+
+ /* Return on Failure */
+ if (!NT_SUCCESS(Status)) return Status;
+
+ /* Now reference it */
+ Status = ObReferenceObjectByHandle(hDriver,
+ 0,
+ IoDriverObjectType,
+ KernelMode,
+ (PVOID*)&DriverObject,
+ NULL);
+ ZwClose(hDriver);
+
+ /* Finally, call its init function */
+ Status = (*InitializationFunction)(DriverObject, NULL);
+
+ if (!NT_SUCCESS(Status)) {
+ /* If it didn't work, then kill the object */
+ ObMakeTemporaryObject(DriverObject);
+ ObDereferenceObject(DriverObject);
+ }
+
+ /* Return the Status */
+ return Status;
+}
+
+/*
+ * @implemented
+ */
+VOID
+STDCALL
+IoDeleteDriver (
+ IN PDRIVER_OBJECT DriverObject
+ )
+{
+ /* Simply derefence the Object */
+ ObDereferenceObject(DriverObject);
+}
+
+
/*
* NtLoadDriver
*
* Parameters
* DriverServiceName
* Name of the service to load (registry key).
- *
+ *
* Return Value
* Status
*
RTL_QUERY_REGISTRY_TABLE QueryTable[3];
UNICODE_STRING ImagePath;
UNICODE_STRING ServiceName;
+ UNICODE_STRING CapturedDriverServiceName;
+ KPROCESSOR_MODE PreviousMode;
NTSTATUS Status;
ULONG Type;
PDEVICE_NODE DeviceNode;
PMODULE_OBJECT ModuleObject;
PDRIVER_OBJECT DriverObject;
- LPWSTR Start;
+ WCHAR *cur;
- DPRINT("NtLoadDriver('%wZ')\n", DriverServiceName);
+ PAGED_CODE();
+
+ PreviousMode = KeGetPreviousMode();
/*
* Check security privileges
/* FIXME: Uncomment when privileges will be correctly implemented. */
#if 0
- if (!SeSinglePrivilegeCheck(SeLoadDriverPrivilege, KeGetPreviousMode()))
+ if (!SeSinglePrivilegeCheck(SeLoadDriverPrivilege, PreviousMode))
{
DPRINT("Privilege not held\n");
return STATUS_PRIVILEGE_NOT_HELD;
}
#endif
+ Status = RtlCaptureUnicodeString(&CapturedDriverServiceName,
+ PreviousMode,
+ PagedPool,
+ FALSE,
+ DriverServiceName);
+ if (!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+
+ DPRINT("NtLoadDriver('%wZ')\n", &CapturedDriverServiceName);
+
RtlInitUnicodeString(&ImagePath, NULL);
/*
* Get the service name from the registry key name.
*/
+ ASSERT(CapturedDriverServiceName.Length >= sizeof(WCHAR));
- Start = wcsrchr(DriverServiceName->Buffer, L'\\');
- if (Start == NULL)
- Start = DriverServiceName->Buffer;
- else
- Start++;
-
- RtlInitUnicodeString(&ServiceName, Start);
+ ServiceName = CapturedDriverServiceName;
+ cur = CapturedDriverServiceName.Buffer + (CapturedDriverServiceName.Length / sizeof(WCHAR)) - 1;
+ while (CapturedDriverServiceName.Buffer != cur)
+ {
+ if(*cur == L'\\')
+ {
+ ServiceName.Buffer = cur + 1;
+ ServiceName.Length = CapturedDriverServiceName.Length -
+ (USHORT)((ULONG_PTR)ServiceName.Buffer -
+ (ULONG_PTR)CapturedDriverServiceName.Buffer);
+ break;
+ }
+ cur--;
+ }
/*
* Get service type.
QueryTable[1].EntryContext = &ImagePath;
Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE,
- DriverServiceName->Buffer, QueryTable, NULL, NULL);
+ CapturedDriverServiceName.Buffer, QueryTable, NULL, NULL);
if (!NT_SUCCESS(Status))
{
DPRINT("RtlQueryRegistryValues() failed (Status %lx)\n", Status);
- RtlFreeUnicodeString(&ImagePath);
- return Status;
+ ExFreePool(ImagePath.Buffer);
+ goto ReleaseCapturedString;
}
/*
if (!NT_SUCCESS(Status))
{
DPRINT("IopNormalizeImagePath() failed (Status %x)\n", Status);
- return Status;
+ goto ReleaseCapturedString;
}
- DPRINT("FullImagePath: '%S'\n", ImagePath.Buffer);
+ DPRINT("FullImagePath: '%wZ'\n", &ImagePath);
DPRINT("Type: %lx\n", Type);
/*
if (ModuleObject != NULL)
{
DPRINT("Image already loaded\n");
- return STATUS_IMAGE_ALREADY_LOADED;
+ Status = STATUS_IMAGE_ALREADY_LOADED;
+ goto ReleaseCapturedString;
}
/*
if (!NT_SUCCESS(Status))
{
DPRINT("IopCreateDeviceNode() failed (Status %lx)\n", Status);
- return Status;
+ goto ReleaseCapturedString;
}
/*
{
DPRINT("LdrLoadModule() failed (Status %lx)\n", Status);
IopFreeDeviceNode(DeviceNode);
- return Status;
+ goto ReleaseCapturedString;
}
/*
* Set a service name for the device node
*/
- Start = wcsrchr(DriverServiceName->Buffer, L'\\');
- if (Start == NULL)
- Start = DriverServiceName->Buffer;
- else
- Start++;
- RtlCreateUnicodeString(&DeviceNode->ServiceName, Start);
+ RtlpCreateUnicodeString(&DeviceNode->ServiceName, ServiceName.Buffer, NonPagedPool);
/*
* Initialize the driver module
Status = IopInitializeDriverModule(
DeviceNode,
ModuleObject,
+ &DeviceNode->ServiceName,
(Type == 2 /* SERVICE_FILE_SYSTEM_DRIVER */ ||
Type == 8 /* SERVICE_RECOGNIZER_DRIVER */),
&DriverObject);
DPRINT("IopInitializeDriver() failed (Status %lx)\n", Status);
LdrUnloadModule(ModuleObject);
IopFreeDeviceNode(DeviceNode);
- return Status;
+ goto ReleaseCapturedString;
}
IopInitializeDevice(DeviceNode, DriverObject);
+ Status = IopStartDevice(DeviceNode);
+
+ReleaseCapturedString:
+ RtlReleaseCapturedUnicodeString(&CapturedDriverServiceName,
+ PreviousMode,
+ FALSE);
return Status;
}
* Parameters
* DriverServiceName
* Name of the service to unload (registry key).
- *
+ *
* Return Value
* Status
*
ReinitItem->ReinitRoutine = ReinitRoutine;
ReinitItem->Context = Context;
+ DriverObject->Flags |= DRVO_REINIT_REGISTERED;
+
ExInterlockedInsertTailList(
&DriverReinitListHead,
&ReinitItem->ItemEntry,
&DriverReinitListLock);
}
+/*
+ * @implemented
+ */
+VOID
+STDCALL
+IoRegisterBootDriverReinitialization(
+ IN PDRIVER_OBJECT DriverObject,
+ IN PDRIVER_REINITIALIZE DriverReinitializationRoutine,
+ IN PVOID Context
+ )
+{
+ PDRIVER_REINIT_ITEM ReinitItem;
+
+ ReinitItem = ExAllocatePool(NonPagedPool, sizeof(DRIVER_REINIT_ITEM));
+ if (ReinitItem == NULL)
+ return;
+
+ ReinitItem->DriverObject = DriverObject;
+ ReinitItem->ReinitRoutine = DriverReinitializationRoutine;
+ ReinitItem->Context = Context;
+
+ DriverObject->Flags |= DRVO_BOOTREINIT_REGISTERED;
+
+ ExInterlockedInsertTailList(
+ &DriverBootReinitListHead,
+ &ReinitItem->ItemEntry,
+ &DriverReinitListLock);
+}
+
/*
* IoAllocateDriverObjectExtension
*
if (NewDriverExtension == NULL)
{
- return STATUS_INSUFFICIENT_RESOURCES;
+ return STATUS_INSUFFICIENT_RESOURCES;
}
-
+
OldIrql = KeRaiseIrqlToDpcLevel();
NewDriverExtension->Link = DriverObject->DriverSection;
*DriverObjectExtension = &NewDriverExtension->Extension;
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
/*
projects / reactos.git / blobdiff