Re: [PATCH 0/3] MR6760: msi: Make MsiInstallProductW open msi readonly

[Fabian Maurer (＠DarkShadow44)]

On Mon Nov  4 22:17:28 2024 +0000, Hans Leidekker wrote:
> We do open the file in read-only mode but the local copy created under
> windows/installer is opened read-write. Are you saying the installer
> locates this copy and tries to open it?

Pretty sure it does exactly that.

```
0304:trace:msi:MsiOpenDatabaseA "C:\windows\Installer\dbe7.msi" (null) 00007FFFFE1FEA50
...
0304:warn:msi:MSI_OpenDatabaseW open failed r = 0x80030020 for L"C:\windows\Installer\dbe7.msi"
```
This call comes from application code, not from us.

My test case should prove this works on windows.