/*
* @implemented
*/
BOOL
WINAPI
GetVersionExA(IN LPOSVERSIONINFOA lpVersionInformation)
{
OSVERSIONINFOEXW VersionInformation;
LPOSVERSIONINFOEXA lpVersionInformationEx;
UNICODE_STRING CsdVersionW;
NTSTATUS Status;
ANSI_STRING CsdVersionA;
if ((lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOA)) &&
(lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXA)))
{
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
VersionInformation.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
if (!GetVersionExW((LPOSVERSIONINFOW)&VersionInformation)) return FALSE;
/* Copy back fields that match both supported structures */
lpVersionInformation->dwMajorVersion = VersionInformation.dwMajorVersion;
lpVersionInformation->dwMinorVersion = VersionInformation.dwMinorVersion;
lpVersionInformation->dwBuildNumber = VersionInformation.dwBuildNumber;
lpVersionInformation->dwPlatformId = VersionInformation.dwPlatformId;
if (lpVersionInformation->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXA))
{
lpVersionInformationEx = (PVOID)lpVersionInformation;
lpVersionInformationEx->wServicePackMajor = VersionInformation.wServicePackMajor;
lpVersionInformationEx->wServicePackMinor = VersionInformation.wServicePackMinor;
lpVersionInformationEx->wSuiteMask = VersionInformation.wSuiteMask;
lpVersionInformationEx->wProductType = VersionInformation.wProductType;
lpVersionInformationEx->wReserved = VersionInformation.wReserved;
}
/* Convert the CSD string */
RtlInitEmptyAnsiString(&CsdVersionA,
lpVersionInformation->szCSDVersion,
sizeof(lpVersionInformation->szCSDVersion));
RtlInitUnicodeString(&CsdVersionW, VersionInformation.szCSDVersion);
Status = RtlUnicodeStringToAnsiString(&CsdVersionA, &CsdVersionW, FALSE);
return (NT_SUCCESS(Status));
}
BOOL
NTAPI
BaseCreateVDMEnvironment(IN PWCHAR lpEnvironment,
IN PANSI_STRING AnsiEnv,
IN PUNICODE_STRING UnicodeEnv)
{
BOOL Result;
ULONG RegionSize, EnvironmentSize = 0;
PWCHAR p, Environment, NewEnvironment = NULL;
NTSTATUS Status;
/* Make sure we have both strings */
if (!(AnsiEnv) || !(UnicodeEnv))
{
/* Fail */
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* Check if an environment was passed in */
if (!lpEnvironment)
{
/* Nope, create one */
Status = RtlCreateEnvironment(TRUE, (PWCHAR*)&Environment);
if (!NT_SUCCESS(Status)) goto Quickie;
}
else
{
/* Use the one we got */
Environment = lpEnvironment;
}
/* Do we have something now ? */
if (!Environment)
{
/* Still not, fail out */
SetLastError(ERROR_BAD_ENVIRONMENT);
goto Quickie;
}
/* Count how much space the whole environment takes */
p = Environment;
while ((*p++ != UNICODE_NULL) && (*p != UNICODE_NULL)) EnvironmentSize++;
EnvironmentSize += sizeof(UNICODE_NULL);
/* Allocate a new copy */
RegionSize = (EnvironmentSize + MAX_PATH) * sizeof(WCHAR);
if (!NT_SUCCESS(NtAllocateVirtualMemory(NtCurrentProcess(),
(PVOID*)&NewEnvironment,
0,
&RegionSize,
MEM_COMMIT,
PAGE_READWRITE)))
{
/* We failed, bail out */
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
NewEnvironment = NULL;
goto Quickie;
}
/* Begin parsing the new environment */
p = NewEnvironment;
/* FIXME: Code here */
/* Terminate it */
*p++ = UNICODE_NULL;
/* Initialize the unicode string to hold it */
EnvironmentSize = (p - NewEnvironment) * sizeof(WCHAR);
RtlInitEmptyUnicodeString(UnicodeEnv, NewEnvironment, (USHORT)EnvironmentSize);
UnicodeEnv->Length = (USHORT)EnvironmentSize;
/* Create the ASCII version of it */
Status = RtlUnicodeStringToAnsiString(AnsiEnv, UnicodeEnv, TRUE);
if (!NT_SUCCESS(Status))
{
/* Set last error if conversion failure */
BaseSetLastNTError(Status);
}
else
{
/* Everything went okay, so return success */
Result = TRUE;
NewEnvironment = NULL;
}
Quickie:
/* Cleanup path starts here, start by destroying the envrionment copy */
if (!(lpEnvironment) && (Environment)) RtlDestroyEnvironment(Environment);
/* See if we are here due to failure */
if (NewEnvironment)
{
/* Initialize the paths to be empty */
RtlInitEmptyUnicodeString(UnicodeEnv, NULL, 0);
RtlInitEmptyAnsiString(AnsiEnv, NULL, 0);
/* Free the environment copy */
RegionSize = 0;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
(PVOID*)&NewEnvironment,
&RegionSize,
MEM_RELEASE);
ASSERT(NT_SUCCESS(Status));
}
/* Return the result */
return Result;
}
BOOLEAN
INIT_FUNCTION
NTAPI
IoInitSystem(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
{
LARGE_INTEGER ExpireTime;
NTSTATUS Status;
CHAR Buffer[256];
ANSI_STRING NtBootPath, RootString;
/* Initialize empty NT Boot Path */
RtlInitEmptyAnsiString(&NtBootPath, Buffer, sizeof(Buffer));
/* Initialize the lookaside lists */
IopInitLookasideLists();
/* Initialize all locks and lists */
ExInitializeResource(&IopDatabaseResource);
ExInitializeResource(&IopSecurityResource);
KeInitializeGuardedMutex(&PnpNotifyListLock);
InitializeListHead(&IopDiskFileSystemQueueHead);
InitializeListHead(&IopCdRomFileSystemQueueHead);
InitializeListHead(&IopTapeFileSystemQueueHead);
InitializeListHead(&IopNetworkFileSystemQueueHead);
InitializeListHead(&DriverBootReinitListHead);
InitializeListHead(&DriverReinitListHead);
InitializeListHead(&PnpNotifyListHead);
InitializeListHead(&ShutdownListHead);
InitializeListHead(&LastChanceShutdownListHead);
InitializeListHead(&IopFsNotifyChangeQueueHead);
InitializeListHead(&IopErrorLogListHead);
KeInitializeSpinLock(&IoStatisticsLock);
KeInitializeSpinLock(&DriverReinitListLock);
KeInitializeSpinLock(&DriverBootReinitListLock);
KeInitializeSpinLock(&ShutdownListLock);
KeInitializeSpinLock(&IopLogListLock);
/* Initialize Timer List Lock */
KeInitializeSpinLock(&IopTimerLock);
/* Initialize Timer List */
InitializeListHead(&IopTimerQueueHead);
/* Initialize the DPC/Timer which will call the other Timer Routines */
ExpireTime.QuadPart = -10000000;
KeInitializeDpc(&IopTimerDpc, IopTimerDispatch, NULL);
KeInitializeTimerEx(&IopTimer, SynchronizationTimer);
KeSetTimerEx(&IopTimer, ExpireTime, 1000, &IopTimerDpc);
/* Create Object Types */
if (!IopCreateObjectTypes())
{
DPRINT1("IopCreateObjectTypes failed!\n");
return FALSE;
}
/* Create Object Directories */
if (!IopCreateRootDirectories())
{
DPRINT1("IopCreateRootDirectories failed!\n");
return FALSE;
}
/* Initialize PnP manager */
IopInitializePlugPlayServices();
/* Initialize HAL Root Bus Driver */
HalInitPnpDriver();
/* Make loader block available for the whole kernel */
IopLoaderBlock = LoaderBlock;
/* Load boot start drivers */
IopInitializeBootDrivers();
/* Call back drivers that asked for */
IopReinitializeBootDrivers();
/* Check if this was a ramdisk boot */
if (!_strnicmp(LoaderBlock->ArcBootDeviceName, "ramdisk(0)", 10))
{
/* Initialize the ramdisk driver */
IopStartRamdisk(LoaderBlock);
}
/* No one should need loader block any longer */
IopLoaderBlock = NULL;
/* Create ARC names for boot devices */
Status = IopCreateArcNames(LoaderBlock);
if (!NT_SUCCESS(Status))
{
DPRINT1("IopCreateArcNames failed: %lx\n", Status);
return FALSE;
}
/* Mark the system boot partition */
if (!IopMarkBootPartition(LoaderBlock))
{
DPRINT1("IopMarkBootPartition failed!\n");
return FALSE;
}
/* Initialize PnP root relations */
IopEnumerateDevice(IopRootDeviceNode->PhysicalDeviceObject);
#ifndef _WINKD_
/* Read KDB Data */
KdbInit();
/* I/O is now setup for disk access, so phase 3 */
KdInitSystem(3, LoaderBlock);
#endif
/* Load services for devices found by PnP manager */
IopInitializePnpServices(IopRootDeviceNode);
/* Load system start drivers */
IopInitializeSystemDrivers();
PnpSystemInit = TRUE;
/* Reinitialize drivers that requested it */
IopReinitializeDrivers();
/* Convert SystemRoot from ARC to NT path */
Status = IopReassignSystemRoot(LoaderBlock, &NtBootPath);
if (!NT_SUCCESS(Status))
{
DPRINT1("IopReassignSystemRoot failed: %lx\n", Status);
return FALSE;
}
/* Set the ANSI_STRING for the root path */
RootString.MaximumLength = NtSystemRoot.MaximumLength / sizeof(WCHAR);
RootString.Length = 0;
RootString.Buffer = ExAllocatePoolWithTag(PagedPool,
RootString.MaximumLength,
TAG_IO);
/* Convert the path into the ANSI_STRING */
Status = RtlUnicodeStringToAnsiString(&RootString, &NtSystemRoot, FALSE);
if (!NT_SUCCESS(Status))
{
DPRINT1("RtlUnicodeStringToAnsiString failed: %lx\n", Status);
return FALSE;
}
/* Assign drive letters */
IoAssignDriveLetters(LoaderBlock,
&NtBootPath,
(PUCHAR)RootString.Buffer,
&RootString);
/* Update system root */
Status = RtlAnsiStringToUnicodeString(&NtSystemRoot, &RootString, FALSE);
if (!NT_SUCCESS(Status))
{
DPRINT1("RtlAnsiStringToUnicodeString failed: %lx\n", Status);
return FALSE;
}
/* Load the System DLL and its Entrypoints */
Status = PsLocateSystemDll();
if (!NT_SUCCESS(Status))
{
DPRINT1("PsLocateSystemDll failed: %lx\n", Status);
return FALSE;
}
/* Return success */
return TRUE;
}
