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Coincidentally, RAR support will be included in Windows 11: https://www.engadget.com/windows-11-finally-gets-native-rar-support-192034673.html https://www.engad

Coincidentally, RAR support will be included in Windows 11: https://www.engadget.com/windows-11-finally-gets-native-rar-support-192034673.html https://www.engadget.com/windows-11-finally-gets-native-rar-...

capableweb 3y ago
The original source (https://blogs.windows.com/windowsdeveloper/2023/05/23/bringing-the-power-of-ai-to-windows-11-unlocking-a-new-era-of-productivity-for-customers-and-developers-with-windows-copilot-and-dev-home/ https://blogs.windows.com/windowsdeveloper/2023/05/23/bringi...) states: > We have added native support for additional archive formats, including tar, 7-zip, rar, gz and many others using the libarchive open-source project. You now can get improved performance of archive functionality during compression on Windows. It doesn't mention unarchiving/decompressing, maybe I'm being nitpicky, but at a glance, it seems to only be about compression? That'd be horrible though, but more horrible changes that that have gone through lately so I guess you never know...
i2cmaster 3y ago
That will probably turn out to have been a mistake. RAR should not be easy to use. TAR and CPIO would have been better formats to support out of the box.
- rincebrain 3y ago
  Since it's "libarchive" support, good news, we get those too.
  - i2cmaster 3y ago
    Yeah, I saw that. My worry is that this will just make drive-by malware easier.
    - rincebrain 3y ago
      Antimalware engines have already had to support unpacking somewhat arbitrary things, sometimes with serious comedic effects when people fuzzed those unpackers; I don't see this significantly increasing the burden of their examination, signed binaries are no more dangerous after this than before, and unsigned binaries could already bring their own arbitrary unpacker. (At least quickly thinking about it; I could easily have overlooked some complexity, but barring an unpatched libarchive exploit, I don't think this markedly increases attack surface...and at that point, you could probably make similar arguments about adding any new file format?)
- meinheld111 3y ago
  > RAR should not be easy to use Why is that?

capableweb 3y ago

The original source (https://blogs.windows.com/windowsdeveloper/2023/05/23/bringing-the-power-of-ai-to-windows-11-unlocking-a-new-era-of-productivity-for-customers-and-developers-with-windows-copilot-and-dev-home/ https://blogs.windows.com/windowsdeveloper/2023/05/23/bringi...) states: > We have added native support for additional archive formats, including tar, 7-zip, rar, gz and many others using the libarchive open-source project. You now can get improved performance of archive functionality during compression on Windows. It doesn't mention unarchiving/decompressing, maybe I'm being nitpicky, but at a glance, it seems to only be about compression? That'd be horrible though, but more horrible changes that that have gone through lately so I guess you never know...

i2cmaster 3y ago

That will probably turn out to have been a mistake. RAR should not be easy to use. TAR and CPIO would have been better formats to support out of the box.

rincebrain 3y ago
Since it's "libarchive" support, good news, we get those too.
- i2cmaster 3y ago
  Yeah, I saw that. My worry is that this will just make drive-by malware easier.
  - rincebrain 3y ago
    Antimalware engines have already had to support unpacking somewhat arbitrary things, sometimes with serious comedic effects when people fuzzed those unpackers; I don't see this significantly increasing the burden of their examination, signed binaries are no more dangerous after this than before, and unsigned binaries could already bring their own arbitrary unpacker. (At least quickly thinking about it; I could easily have overlooked some complexity, but barring an unpatched libarchive exploit, I don't think this markedly increases attack surface...and at that point, you could probably make similar arguments about adding any new file format?)
meinheld111 3y ago
> RAR should not be easy to use Why is that?