Re: (ITS#8115) Adding passwd hash schemes

[michael@stroeder.com]

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bruno_haleblian@carrefour.com wrote:
> My goal is to import millions of accounts from a drupal DB to OpenLDAP.=

> preserving existing passwords. I plan to write a SQL to ldif script for=
 that.
> Problem :
> These accounts come with a non-standard passwd hash scheme. I've attach=
ed drupal
> link to source code in PHP.
> Although it uses standard SHA512 and base64, the algo is a variant of m=
ultiple
> sha512 + salt iterations. Looks like there's no way to convert to {SSHA=
512} or
> something standard.
> Supposing I can translate it to C, what is the best and cleanest way to=

> integrate this specific scheme?
> Is there an "overlay way" to do this?
> Do I Have to hack into passwd.c in lutils?
> Has this kind of work already been done?
>
> Goal : getting userPassword=3D{DRUP7}$S$DNbBTrkalsPChLsqajHUQS18pBBxzST=
QW0310SzivTy7HDQ.zgyG
> to be supported

1. The password hash looks a bit like a crypt(3) hashing scheme. You shou=
ld=20
consult the crypt(3) man page on this system. There are {crypt} schemes w=
hich=20
uses several rounds.

2. You will find several such password modules in the source distribution=
 in=20
directory contrib/slapd-modules/passwd/

Ciao, Michael.



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