On Thu, 24 Aug 2023 21:24:51 GMT, Alexey Bakhtin <[email protected]> wrote:

>> JGSS is implemented in the JVM in 2 levels: the standard Java security 
>> provider for Kerberos in sun.security.jgss.krb5.Krb5MechFactory and the JAAS 
>> login module for Kerberos in com.sun.security.auth.module.Krb5LoginModule. 
>> The problem is that in this hierarchy, the login module doesn't go through 
>> the provider, but tries to read the credential cache (which is blocked by 
>> the credential guard in Win platform). This is not an issue if Kerberos is 
>> used via the JGSS API because it automatically does the JAAS login as 
>> needed, and won't do it at all if a native implementation is used. However 
>> many libraries (even some built-in ones in the JVM) still needlessly call 
>> login() before using JGSS.
>> 
>> This patch represents the configuration option ( `“doNotLogin”` ) to allow 
>> skipping the login, with a system property (`“sun.security.auth.skipLogin”`) 
>> to set the default value if this option is not provided. This way it would 
>> not break the regular Java Kerberos provider and allow users to both 
>> individually (via JAAS configs) and globally (via the property) set the 
>> expected behavior
>
> Alexey Bakhtin has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Rename system property

CSR is submitted: https://bugs.openjdk.org/browse/JDK-8315562

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PR Comment: https://git.openjdk.org/jdk/pull/15254#issuecomment-1730372031

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