[19575] in Kerberos_V5_Development
Re: krb5 commit: Modernize UTF-8/UCS-2 conversion code
daemon@ATHENA.MIT.EDU (Stefan Metzmacher)
Mon Apr 17 15:25:00 2017
To: Robbie Harwood <rharwood@redhat.com>
From: Stefan Metzmacher <metze@samba.org>
Message-ID: <c294c45e-6d55-063c-be21-0316e07bf81c@samba.org>
Date: Mon, 17 Apr 2017 21:24:40 +0200
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Cc: krbdev@mit.edu
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From: Stefan Metzmacher <metze@samba.org>
To: Robbie Harwood <rharwood@redhat.com>
Cc: krbdev@mit.edu
Message-ID: <c294c45e-6d55-063c-be21-0316e07bf81c@samba.org>
Subject: Re: krb5 commit: Modernize UTF-8/UCS-2 conversion code
References: <201704171858.v3HIwVhW013893@drugstore.mit.edu>
In-Reply-To: <201704171858.v3HIwVhW013893@drugstore.mit.edu>
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Hi Robbie,
is there a reson why you still limit this to USC-2 and not use full UTF16=
support?
We had a lot of trouble with the limited unicode support of krb5 librarie=
s
in Samba recently, see https://bugzilla.samba.org/show_bug.cgi?id=3D12262=
For now we worked arround it in Samba by limiting random machine password=
s
to unicode codepoints up to 0xffff.
metze
> https://github.com/krb5/krb5/commit/c4e8d444632140ecb47f31df133c0657f07=
f9be0
> commit c4e8d444632140ecb47f31df133c0657f07f9be0
> Author: Robbie Harwood <rharwood@redhat.com>
> Date: Thu Apr 6 12:15:39 2017 -0400
>=20
> Modernize UTF-8/UCS-2 conversion code
> =20
> Remove unused entry points as we only need to convert between
> little-endian UCS-2 byte buffers and UTF-8. Rename and simplify th=
e
> remaining two function contracts. Avoid pointer alignment and
> endianness issues by operating on byte buffers and using store_16_l=
e()
> and load_16_le(). Avoid two-pass operation using k5buf.
> =20
> [ghudson@mit.edu: simplified code using k5buf; simplified function
> names and contracts; rewrote commit message]
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