1901554 - WMF software encoding fails with USER_RESTRICTED acess token level.

Status: RESOLVED FIXED

(Core :: Security: Process Sandboxing, enhancement, P1)

Description

[Bob Owen (:bobowen)]

WMF software encoding requires DLL loading and registry access that fails with a USER_RESTRICTED access token level on the windows content sandbox.

Comment 1

[Bob Owen (:bobowen)]

Attachment: Bug 1901554 p1: Call CoTaskMemFree directly from combase.dll for MFTEncoder. r=padenot!

This prevents us from having to preload ole32.dll and all of its associated
dependencies.

Comment 2

[Bob Owen (:bobowen)]

Attachment: Bug 1901554 p2: Preload DLLs and add registry access for WMF software encoding. r=handyman!

We will be able to remove these once encoding is moved to a utility process.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/6e50fc0aec9c
p1: Call CoTaskMemFree directly from combase.dll for MFTEncoder. r=padenot
https://hg.mozilla.org/integration/autoland/rev/74240d07eab3
p2: Preload DLLs and add registry access for WMF software encoding. r=handyman

Comment 4

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/6e50fc0aec9c
https://hg.mozilla.org/mozilla-central/rev/74240d07eab3