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dll: FspSxsAppendSuffix

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This commit is contained in:
Bill Zissimopoulos
2022-08-20 11:58:00 +01:00
parent 7e59c2e5a6
commit a7bc306b2d
3 changed files with 117 additions and 10 deletions
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25
src/dll/fsctl.c
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@ -38,12 +38,15 @@ FSP_API NTSTATUS FspFsctlCreateVolume(PWSTR DevicePath,
PWCHAR VolumeNameBuf, SIZE_T VolumeNameSize,
PHANDLE PVolumeHandle)
{
NTSTATUS Result;
WCHAR SxsDevicePathBuf[MAX_PATH];
PWSTR DeviceRoot;
SIZE_T DeviceRootSize, DevicePathSize, VolumeParamsSize;
WCHAR DevicePathBuf[MAX_PATH + sizeof *VolumeParams], *DevicePathPtr, *DevicePathEnd;
HANDLE VolumeHandle = INVALID_HANDLE_VALUE;
DWORD Bytes;
NTSTATUS Result;
DevicePath = FspSxsAppendSuffix(SxsDevicePathBuf, sizeof SxsDevicePathBuf, DevicePath);
if (sizeof(WCHAR) <= VolumeNameSize)
VolumeNameBuf[0] = L'\0';
@ -228,12 +231,15 @@ exit:
FSP_API NTSTATUS FspFsctlGetVolumeList(PWSTR DevicePath,
PWCHAR VolumeListBuf, PSIZE_T PVolumeListSize)
{
NTSTATUS Result;
WCHAR SxsDevicePathBuf[MAX_PATH];
PWSTR DeviceRoot;
SIZE_T DeviceRootSize, DevicePathSize;
WCHAR DevicePathBuf[MAX_PATH], *DevicePathPtr;
HANDLE VolumeHandle = INVALID_HANDLE_VALUE;
DWORD Bytes;
NTSTATUS Result;
DevicePath = FspSxsAppendSuffix(SxsDevicePathBuf, sizeof SxsDevicePathBuf, DevicePath);
/* check lengths; everything must fit within MAX_PATH */
DeviceRoot = L'\\' == DevicePath[0] ? GLOBALROOT : GLOBALROOT "\\Device\\";
@ -299,12 +305,15 @@ FSP_API NTSTATUS FspFsctlPreflight(PWSTR DevicePath)
static NTSTATUS FspFsctlUnload(PWSTR DevicePath)
{
NTSTATUS Result;
WCHAR SxsDevicePathBuf[MAX_PATH];
PWSTR DeviceRoot;
SIZE_T DeviceRootSize, DevicePathSize;
WCHAR DevicePathBuf[MAX_PATH], *DevicePathPtr;
HANDLE VolumeHandle = INVALID_HANDLE_VALUE;
DWORD Bytes;
NTSTATUS Result;
DevicePath = FspSxsAppendSuffix(SxsDevicePathBuf, sizeof SxsDevicePathBuf, DevicePath);
/* check lengths; everything must fit within MAX_PATH */
DeviceRoot = L'\\' == DevicePath[0] ? GLOBALROOT : GLOBALROOT "\\Device\\";
@ -357,7 +366,7 @@ static BOOL WINAPI FspFsctlServiceVersionInitialize(
QUERY_SERVICE_CONFIGW *ServiceConfig = 0;
DWORD Size;
wsprintfW(DriverName, L"" FSP_FSCTL_DRIVER_NAME "%s", FspSxsSuffix());
FspSxsAppendSuffix(DriverName, sizeof DriverName, L"" FSP_FSCTL_DRIVER_NAME);
ScmHandle = OpenSCManagerW(0, 0, 0);
if (0 == ScmHandle)
@ -447,7 +456,7 @@ FSP_API NTSTATUS FspFsctlStartService(VOID)
DWORD LastError;
NTSTATUS Result;
wsprintfW(DriverName, L"" FSP_FSCTL_DRIVER_NAME "%s", FspSxsSuffix());
FspSxsAppendSuffix(DriverName, sizeof DriverName, L"" FSP_FSCTL_DRIVER_NAME);
AcquireSRWLockExclusive(&FspFsctlStartStopServiceLock);
@ -527,7 +536,7 @@ FSP_API NTSTATUS FspFsctlStopService(VOID)
BOOL PrivilegeCheckResult;
NTSTATUS Result;
wsprintfW(DriverName, L"" FSP_FSCTL_DRIVER_NAME "%s", FspSxsSuffix());
FspSxsAppendSuffix(DriverName, sizeof DriverName, L"" FSP_FSCTL_DRIVER_NAME);
AcquireSRWLockExclusive(&FspFsctlStartStopServiceLock);
@ -719,7 +728,7 @@ NTSTATUS FspFsctlRegister(VOID)
SERVICE_DESCRIPTION ServiceDescription;
NTSTATUS Result;
wsprintfW(DriverName, L"" FSP_FSCTL_DRIVER_NAME "%s", FspSxsSuffix());
FspSxsAppendSuffix(DriverName, sizeof DriverName, L"" FSP_FSCTL_DRIVER_NAME);
if (0 == GetModuleFileNameW(DllInstance, DriverPath, MAX_PATH))
return FspNtStatusFromWin32(GetLastError());
@ -808,7 +817,7 @@ NTSTATUS FspFsctlUnregister(VOID)
DWORD LastError;
NTSTATUS Result;
wsprintfW(DriverName, L"" FSP_FSCTL_DRIVER_NAME "%s", FspSxsSuffix());
FspSxsAppendSuffix(DriverName, sizeof DriverName, L"" FSP_FSCTL_DRIVER_NAME);
ScmHandle = OpenSCManagerW(0, 0, SC_MANAGER_CREATE_SERVICE);
/*