RFR: 8356997: /etc/krb5.conf parser should not forbid include/includedir directives after sections [v4]

[Valerie Peng]

On Sun, 22 Jun 2025 02:30:53 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Several changes are made:
>> 
>> 1. The "include" and "includedir" directives can appear everywhere, even inside a section or a sub-section. However, it only means the content is inserted here but the included file still need its own full structure -- from section to subsections.
>> 2. The same file can be included multiple times as long as not recursively.
>> 3. Everything is merged. For duplicated values, `get` returns the first one and `getAll` returns all joining by spaces.
>> 
>> Two new tests added. I also separately confirmed that they are parsed in the same way as [MIT krb5](https://github.com/krb5/krb5/blob/master/src/util/profile/test_parse.c). MIT krb5 ignores directory name after "include" but here it's an error.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   another test; no dups clone
>   
>   interdiff impossible; taking evasive action
>   reverted:

Marked as reviewed by valeriep (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25421#pullrequestreview-2971995565