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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Rich Felker‏ @RichFelker 7 Sep 2017

      Rich Felker Retweeted CopperheadOS

      This is a requirement of the Android "Compatibility Definition" (needed to license Play).https://twitter.com/CopperheadOS/status/905972357570887681 …

      Rich Felker added,

      CopperheadOS @CopperheadOS
      Look at this: "MUST NOT have a visible user interface when a security violation is detected and successfully blocked by the security feature
      Show this thread
      1 reply 1 retweet 0 likes
    2. CopperheadOS‏ @CopperheadOS 7 Sep 2017
      Replying to @RichFelker

      https://source.android.com/compatibility/8.0/android-8.0-cdd … is the whole thing in HTML, FWIW. Lots of other restrictions forbidding the kind of changes that we make to Android.

      1 reply 0 retweets 0 likes
    3. CopperheadOS‏ @CopperheadOS 7 Sep 2017
      Replying to @CopperheadOS @RichFelker

      It's a blessing and a curse for us: we can't have the option of a CopperheadOS device with Play Services, few of our features are allowed.

      2 replies 0 retweets 0 likes
      Rich Felker‏ @RichFelker 7 Sep 2017
      Replying to @CopperheadOS

      Could you just do your own implementation of Play Services? (like microg but I know you don't like microg :-)

      7:28 PM - 7 Sep 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        2. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @RichFelker

          Yes, we could make our own implementation. Our update client is something usually provided by Play and we're going to focus on backup next.

          1 reply 0 retweets 1 like
        3. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @CopperheadOS @RichFelker

          Supplementary location services (local cellid db), geocoding, better text-to-speech than AOSP svox, voice to text, etc. are on the table.

          1 reply 0 retweets 2 likes
        4. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @CopperheadOS @RichFelker

          Those are all done via AOSP APIs where Play Services provides a backend, so there's no ugliness involved in providing alternatives for them.

          1 reply 0 retweets 0 likes
        5. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @CopperheadOS @RichFelker

          microG is focused on the APIs Play Services exposes directly to apps, which requires tricking their signature checks, which we could do.

          1 reply 0 retweets 0 likes
        6. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @CopperheadOS @RichFelker

          Except we would do the signature check bypass in a very constrained way and we would want stub APIs for anything requiring a Google service.

          2 replies 0 retweets 2 likes
        7. Rich Felker‏ @RichFelker 7 Sep 2017
          Replying to @CopperheadOS

          Yes, I agree the signature check bypass should be hard-coded in the core OS and limited to it, not the way microg wants it done.

          1 reply 0 retweets 0 likes
        8. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @RichFelker

          It should be limited to only faking the Play Services signature, and only for the system app providing the Play Services stubs.

          1 reply 0 retweets 0 likes
        9. CopperheadOS‏ @CopperheadOS 7 Sep 2017
          Replying to @CopperheadOS @RichFelker

          No generic permission, and that app shouldn't end up being allowed to fake any signature checks, only the Play Services signature check.

          1 reply 0 retweets 0 likes
        10. 6 more replies

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