RFR: 8279842: HTTPS Channel Binding support for Java GSS/Kerberos

[Prasadrao Koppula]

On Thu, 13 Jan 2022 12:10:11 GMT, Michael McMahon <michaelm at openjdk.org> wrote:

> Hi,
> 
> This change adds Channel Binding Token (CBT) support to HTTPS (java.net.HttpsURLConnection) when used with the Negotiate (SPNEGO, Kerberos) authentication scheme. When enabled, the implementation preemptively includes a CBT with authentication requests over Kerberos. The feature is enabled as follows:
> 
> A system property "jdk.spnego.cbt" is defined which can have the values "never" (default), which means the feature is disabled, "always", which means the CBT is included for all https Negotiate authentications, or it can take the form "domain:a,b.c,*.d.com" which is a comma separated list of domains/hosts where the feature is enabled, and disabled everywhere else. In the given example, the CBT would be included in authentication requests for hosts "a", "b.c" and all hosts under the domain "d.com" and all of its sub-domains.
> 
> A test will be added separately to the implementation.
> 
> Bug report: https://bugs.openjdk.java.net/browse/JDK-8279842
> 
> Thanks,
> Michael

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PR: https://git.openjdk.java.net/jdk/pull/7065