[Bug 56178] keytool error: Invalid escaped character in AVA: - some characters must be escaped

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=56178

--- Comment #1 from Sebb <se...@apache.org> ---
The issue was first noticed because of a user.name with the form

DOMAIN\USER

User names can potentially include punctuation (O'Reilly) and may have
non-ASCII characters. And some OSes may allow arbitrary login names, so might
allow +;, in names.

The simplest approach would be to just allow for the backslash case, and assume
that the other cases cannot occur. If they do, then there is the work-round of
overriding user.name - if necessary just for creating the certificate.

Experimentation shows that DOMAIN\USER will appear in the certificate as
DOMAIN\\USER (other escapes are removed).
It might look better to display the field as DOMAIN/USER so rather than
doubling backslashes they could be converted to forward slashes.

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