RFR: JDK-8243376: java.net.SocketPermission.implies(Permission p) spec is mismatching with implementation [v4]
Michael McMahon
michaelm at openjdk.java.net
Mon Feb 8 14:40:46 UTC 2021
On Fri, 5 Feb 2021 11:50:01 GMT, Jayashree S Kumar <github.com+31532647+jaysk1 at openjdk.org> wrote:
>> Issue
>>
>> https://bugs.openjdk.java.net/browse/JDK-8243376
>>
>> Problem
>>
>> The scenario is:
>> - Some specified target hostname resolves to two IP addresses (always the same address pair).
>> - The DNS resolved order of the two ip addresses changes (a usual LoadBalancer type behavior).
>> - The CNAME of the two ip addresses differ.
>>
>> In SocketPermission class(void getIP() method), it internally resolves and saves only the first IP address resolved, not all the IP addresses resolved.
>> - Depending on when the implier/implied SocketPermission hostname is resolved, the resolved addresses order differs, and the internally saved IP address mismatches, resulting on SocketPermission#implies() false.
>>
>>
>> Michael McMahon kindly reviewed and suggested changes: https://mail.openjdk.java.net/pipermail/net-dev/2020-May/014001.html
>
> Jayashree S Kumar has updated the pull request incrementally with one additional commit since the last revision:
>
> Code Review: cname made array accounting for multiple cname values
Changes requested by michaelm (Reviewer).
-------------
PR: https://git.openjdk.java.net/jdk/pull/1916
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