RFR - CSR: 8213082: (zipfs) Add support for POSIX file permissions (was: Re: RFR 8213031: (zipfs) Add support for POSIX file permissions)

Langer, Christoph christoph.langer at sap.com
Fri Dec 21 13:43:13 UTC 2018

Hi Alan,

> Adding support for POSIX file permissions to the zip APIs is problematic
> as we've been discussing here. There are security concerns and also
> concerns that how it interacts with JAR files and signed JAR in
> particular. I don't disagree that we can come to agreement on zipfs
> supporting a solution but I think we need to get the bigger picture on
> where this is going first. If the piece to change the java.util.zip APIs
> is dropped then it would make these discussions a lot simpler as it
> removes most of the security issues from the table.

Yes, please consider changes to java.util.zip APIs as dropped. At least for the moment. I'm not saying I won't ever get back to that topic but maybe an enhancement of jdk.zipfs is already sufficient to provide the required Posix permission support for the Java platform.

Best regards

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