[macOS] Add logging and telemetry to mach lookup rules

[Per Arne Vollan]

Add logging and telemetry to help determine if mach lookup can be denied in the WebContent process.

[Radar WebKit Bug Importer]

<rdar://problem/57021686>

[Per Arne Vollan]

Created attachment 383127 [details]
Patch

[Brent Fulgham]

Comment on attachment 383127 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=383127&action=review

r=me

> Source/WebKit/WebProcess/com.apple.WebProcess.sb.in:601
> +)

These look fine, but we seem to be hitting test failures (which seems crazy to me). Can you double-check we don't have a syntax error in the sandbox?

[Per Arne Vollan]

(In reply to Brent Fulgham from comment #3)
> Comment on attachment 383127 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=383127&action=review
> 
> r=me
> 
> > Source/WebKit/WebProcess/com.apple.WebProcess.sb.in:601
> > +)
> 
> These look fine, but we seem to be hitting test failures (which seems crazy
> to me). Can you double-check we don't have a syntax error in the sandbox?

Yes, investigating now :)

Thanks for reviewing!

[Per Arne Vollan]

Created attachment 383148 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 383148 [details]
Patch

Clearing flags on attachment: 383148

Committed r252261: <https://trac.webkit.org/changeset/252261>