On Sat, 2 Jan 2021 10:11:30 GMT, Jayashree S Kumar <github.com+31532647+jay...@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 Apologies for the various (noise) commits for the Jcheck Whitespace error. Will be more mindful and invest time in setting up local pre-commit check here-on. The actual commits being: Changes to file: src/java.base/share/classes/java/net/SocketPermission.java A new test case: test/jdk/java/net/SocketPermission/SocketPermissionIm.java A new host file: test/jdk/java/net/SocketPermission/Host.txt Thanks! ------------- PR: https://git.openjdk.java.net/jdk/pull/1916
