Bug 206089

Summary: [iOS] Remove used media-related mach services from the WebContent process sandbox
Product: WebKit Reporter: Brent Fulgham <bfulgham>
Component: WebKit2Assignee: Brent Fulgham <bfulgham>
Status: REOPENED ---    
Severity: Normal CC: achristensen, bfulgham, commit-queue, pvollan, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 206969    
Bug Blocks:    
Attachments:
Description Flags
Patch
none
Patch pvollan: review+

Description Brent Fulgham 2020-01-10 13:46:12 PST
After conducting multiple test passes and large-scale living-on testing with telemetry, we have confirmed that the following XPC services are not used by the media logic in WebKit, and can be removed:

    com.apple.coremedia.cpeprotector.xpc
    com.apple.coremedia.figcontentkeysession.xpc
    com.apple.coremedia.routingsessionmanager.xpc
    com.apple.coremedia.sts
Comment 1 Radar WebKit Bug Importer 2020-01-10 13:47:04 PST
<rdar://problem/58489478>
Comment 2 Brent Fulgham 2020-01-10 13:55:27 PST
Created attachment 387372 [details]
Patch
Comment 3 Brent Fulgham 2020-01-10 16:12:05 PST
Created attachment 387389 [details]
Patch
Comment 4 Per Arne Vollan 2020-01-10 16:15:08 PST
Comment on attachment 387389 [details]
Patch

R=me.
Comment 5 Brent Fulgham 2020-01-10 16:22:06 PST
Committed r254379: <https://trac.webkit.org/changeset/254379>
Comment 6 WebKit Commit Bot 2020-01-29 14:33:00 PST
Re-opened since this is blocked by bug 206969