SshpGenerateDeviceFriendlyName

NTSTATUS __stdcall SshpGenerateDeviceFriendlyName(PDEVICE_OBJECT DeviceObject){
  __int64 v1; 
  unsigned int v2; 
  _UNICODE_STRING *v3; 
  _DEVOBJ_EXTENSION *DeviceObjectExtension; 
  int v5; 
  _UNICODE_STRING *v6; 
  __int64 v7; 
  const _UNICODE_STRING *DeviceNode; 
  VOID **v10; 
  int v11; 
  NTSTATUS DeviceProperty; 
  int v13; 
  __int64 v14; 
  VOID **PoolWithTag; 
  __int64 v16; 
  VOID **v17; 
  signed int v18; 
  __int64 v19; 
  VOID **v20; 
  UINT64 Tag; 
  _UNICODE_STRING SourceString; 
  char v24; 

  DeviceObjectExtension = DeviceObject->DeviceObjectExtension;
  v5 = 0;
  v6 = v3;
  Tag = v2;
  v7 = v1;
  DeviceNode = (const _UNICODE_STRING *)DeviceObjectExtension->DeviceNode;
  v10 = 0i64;
  SourceString = 0i64;
  if( !DeviceNode )
  {
    v11 = -1073741811;
    goto LABEL_46;
  }
  DeviceProperty = IoGetDeviceProperty(DeviceObject, 0, 0i64, 0i64, (UINT64 *)((char *)&Tag + 4));
  v11 = DeviceProperty;
  if( DeviceProperty == -1073741789 )
  {
    if( HIDWORD(Tag) > 0xFFFF )
    {
      v11 = -2147483643;
      goto LABEL_45;
    }
    v5 = HIDWORD(Tag) + 4;
  }
  else if( DeviceProperty != -1073741772 )
  {
    goto LABEL_44;
  }
  v13 = DeviceNode[8].Length + v5;
  if( v7 )
  {
    SourceString.Buffer = (wchar_t *)&v24;
    *(_DWORD *)&SourceString.Length = 0x400000;
    v11 = RtlUnicodeStringPrintf(&SourceString, (WCHAR *)L" (%d)");
    if( v11 < 0 )
      goto LABEL_45;
    v13 += SourceString.Length;
  }
  if( !v13 )
  {
    v11 = -1073741811;
    goto LABEL_45;
  }
  v2 = Tag;
  v14 = (unsigned int)(v13 + 2);
  if( (unsigned int)v14 >= 0xFFFF )
  {
    v11 = -2147483643;
    goto LABEL_46;
  }
  PoolWithTag = ExAllocatePoolWithTag(1ui64, 2 * v14, (unsigned int)Tag);
  v10 = PoolWithTag;
  if( !PoolWithTag )
  {
    v11 = -1073741670;
    goto LABEL_45;
  }
  memset(PoolWithTag, 0i64, v14);
  if( HIDWORD(Tag) )
  {
    v11 = IoGetDeviceProperty(DeviceObject, 0, HIDWORD(Tag), v10, (UINT64 *)((char *)&Tag + 4));
    if( v11 < 0 )
      goto LABEL_45;
    *v6 = 0i64;
    v16 = 0x7FFFi64;
    v17 = v10;
    do
    {
      if( !*(_WORD *)v17 )
        break;
      v17 = (VOID **)((char *)v17 + 2);
      --v16;
    }
    while( v16 );
    v18 = v16 == 0 ? 0xC000000D : 0;
    if( v16 )
    {
      if( v6 )
      {
        v6->Buffer = (wchar_t *)v10;
        v6->Length = 2 * (v16 != 0 ? 0x7FFF - v16 : 0);
      }
      else
      {
        v18 = -1073741811;
      }
    }
    v6->MaximumLength = v14;
    v11 = v18;
    if( v18 < 0 )
      goto LABEL_45;
    v11 = RtlUnicodeStringCatString(v6);
  }
  else
  {
    *v6 = 0i64;
    v19 = 0x7FFFi64;
    v20 = v10;
    do
    {
      if( !*(_WORD *)v20 )
        break;
      v20 = (VOID **)((char *)v20 + 2);
      --v19;
    }
    while( v19 );
    if( v19 && v6 )
    {
      v6->Buffer = (wchar_t *)v10;
      v6->Length = 2 * (v19 != 0 ? 0x7FFF - v19 : 0);
    }
    v6->MaximumLength = v14;
    v11 = 0;
  }
  if( v11 >= 0 )
  {
    v11 = RtlUnicodeStringCat(v6, DeviceNode + 8);
    if( v11 >= 0 )
    {
      if( HIDWORD(Tag) )
        v11 = RtlUnicodeStringCatString(v6);
      if( v11 >= 0 )
      {
        if( v7 )
          v11 = RtlUnicodeStringCat(v6, &SourceString);
        if( v11 >= 0 )
        {
          v11 = 0;
LABEL_44:
          v10 = 0i64;
          if( v11 >= 0 )
            return v11;
        }
      }
    }
  }
LABEL_45:
  v2 = Tag;
LABEL_46:
  *v6 = 0i64;
  if( v10 )
    CmpFreeTransientPoolWithTag(v10, v2);
  return v11;
}

Referenced by: