CmGetDeviceInterfaceMappedPropertyFromComposite

NTSTATUS __stdcall CmGetDeviceInterfaceMappedPropertyFromComposite(
        HPNPCTX *hPnpCtx,
        WCHAR *DeviceInterfaceName,
        VOID *ObjectBaseKey,
        _DEVPROPKEY *PropertyKey,
        UINT64 *PropertyType,
        UINT8 *PropertyBuffer,
        UINT64 BufferSize,
        UINT64 *PropertySize){
  unsigned __int64 v9; 
  int v10; 
  unsigned int v11; 
  unsigned int pid; 
  __int64 v13; 
  __int64 v15; 
  VOID **PoolWithTag; 
  VOID **v17; 
  __int64 v18; 
  NTSTATUS ObjectProperty; 
  __int64 v20; 
  NTSTATUS DeviceInterfaceReferenceString; 
  INT64 v22; 
  ULONG DeviceInterfaceNamea; 

  DeviceInterfaceNamea = (unsigned int)hPnpCtx;
  v9 = (unsigned __int64)PropertyBuffer;
  v10 = 0;
  *(_DWORD *)PropertyType = 0;
  *(_DWORD *)PropertySize = 0;
  LODWORD(v22) = 0;
  if( PropertyBuffer )
  {
    v11 = BufferSize;
    v9 = -(__int64)((_DWORD)BufferSize != 0) & (unsigned __int64)PropertyBuffer;
  }
  else
  {
    v11 = 0;
  }
  pid = PropertyKey->pid;
  if( pid < 2 )
    return -1073741264;
  switch( pid )
  {
    case 0xAu:
      v18 = *(_QWORD *)&PropertyKey->fmtid.Data1 - *(_QWORD *)&DEVPKEY_NAME.fmtid.Data1;
      if( *(_QWORD *)&PropertyKey->fmtid.Data1 == *(_QWORD *)&DEVPKEY_NAME.fmtid.Data1 )
        v18 = *(_QWORD *)PropertyKey->fmtid.Data4 - *(_QWORD *)DEVPKEY_NAME.fmtid.Data4;
      if( !v18 )
      {
        ObjectProperty = PnpGetObjectProperty(
                           (ULONG)hPnpCtx,
                           (INT64)DeviceInterfaceName,
                           3i64,
                           (INT64)ObjectBaseKey,
                           0i64,
                           (INT64)&DEVPKEY_DeviceInterface_FriendlyName,
                           (INT64)PropertyType,
                           v9);
        v10 = ObjectProperty;
        if( !ObjectProperty || ObjectProperty == -1073741789 )
          *(_DWORD *)PropertySize = 0;
      }
      break;
    case 4u:
      v13 = *(_QWORD *)&PropertyKey->fmtid.Data1 - *(_QWORD *)&DEVPKEY_DeviceInterface_ClassGuid.fmtid.Data1;
      if( *(_QWORD *)&PropertyKey->fmtid.Data1 == *(_QWORD *)&DEVPKEY_DeviceInterface_ClassGuid.fmtid.Data1 )
        v13 = *(_QWORD *)PropertyKey->fmtid.Data4 - *(_QWORD *)DEVPKEY_DeviceInterface_ClassGuid.fmtid.Data4;
      if( !v13 )
      {
        *(_DWORD *)PropertySize = 16;
        *(_DWORD *)PropertyType = 13;
        if( v11 < 0x10 )
          return -1073741789;
        else
          return CmGetDeviceInterfaceClassGuid((WCHAR *)hPnpCtx, (_GUID *)DeviceInterfaceName);
      }
      break;
    case 5u:
      v20 = *(_QWORD *)&PropertyKey->fmtid.Data1 - *(_QWORD *)&DEVPKEY_DeviceInterface_ReferenceString.fmtid.Data1;
      if( *(_QWORD *)&PropertyKey->fmtid.Data1 == *(_QWORD *)&DEVPKEY_DeviceInterface_ReferenceString.fmtid.Data1 )
        v20 = *(_QWORD *)PropertyKey->fmtid.Data4 - *(_QWORD *)DEVPKEY_DeviceInterface_ReferenceString.fmtid.Data4;
      if( !v20 )
      {
        DeviceInterfaceReferenceString = CmGetDeviceInterfaceReferenceString(
                                           (WCHAR *)hPnpCtx,
                                           DeviceInterfaceName,
                                           v9,
                                           (UINT64 *)(v11 >> 1));
        v10 = DeviceInterfaceReferenceString;
        if( DeviceInterfaceReferenceString == -1073741772 )
        {
          return -1073741275;
        }
        else if( !DeviceInterfaceReferenceString || DeviceInterfaceReferenceString == -1073741789 )
        {
          *(_DWORD *)PropertySize = 0;
          *(_DWORD *)PropertyType = 18;
        }
      }
      break;
    case 2u:
      v15 = *(_QWORD *)&PropertyKey->fmtid.Data1 - *(_QWORD *)&DEVPKEY_Device_ContainerId.fmtid.Data1;
      if( *(_QWORD *)&PropertyKey->fmtid.Data1 == *(_QWORD *)&DEVPKEY_Device_ContainerId.fmtid.Data1 )
        v15 = *(_QWORD *)PropertyKey->fmtid.Data4 - *(_QWORD *)DEVPKEY_Device_ContainerId.fmtid.Data4;
      if( !v15 )
      {
        PoolWithTag = ExAllocatePoolWithTag(1ui64, 0x190ui64, 1380994640i64);
        v17 = PoolWithTag;
        if( PoolWithTag )
        {
          v10 = PnpGetObjectProperty(
                  DeviceInterfaceNamea,
                  (INT64)DeviceInterfaceName,
                  3i64,
                  (INT64)ObjectBaseKey,
                  0i64,
                  (INT64)&DEVPKEY_Device_InstanceId,
                  (INT64)&v22,
                  (INT64)PoolWithTag);
          if( v10 >= 0 )
          {
            if( (_DWORD)v22 != 18
              || (v10 = PnpGetObjectProperty(
                          DeviceInterfaceNamea,
                          (INT64)v17,
                          1i64,
                          0i64,
                          0i64,
                          (INT64)&DEVPKEY_Device_ContainerId,
                          (INT64)PropertyType,
                          v9),
                  v10 == -1073741772) )
            {
              v10 = -1073741275;
            }
          }
          ExFreePoolWithTag(v17, 0);
          if( !v10 || v10 == -1073741789 )
            *(_DWORD *)PropertySize = 0;
        }
        else
        {
          return -1073741801;
        }
      }
      break;
  }
  return v10;
}

Referenced by: