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Re: unicodePwd


On Thu, 3 Apr 2014, Jean-Marc Choulet wrote:

Hello Michael,

And, if I want to use openldap API to change AD user password in C/C++. I can do that with Perl without problem but not with openldap library and C/C++. Do you have a example (or some documentation) for me ?

see the ldpapasswd cli tool in the openldap source code.




Le 02/04/2014 20:55, Michael StrÃder a Ãcrit :
Jean-Marc Choulet wrote:
I want to convert my client (ADSI and C++) for use OpenLDAP. I know I must
encode the unicodePwd. With ADSI, Miscrosoft give me some functions to do
that. How can I do same things from OpenLDAP ?
The best way of setting a password is to use the LDAP Password Modify Extended Operation as described in RFC 3062 and let the server generate the password hash:


The second way is to send a modify request for replacing password with a
client-side hashed userPassword value.

An (incomplete) attempt to describe the variants was made here:

Some more information here:

Some server implementations are capable of auto-hashing clear-text
userPassword values at the server-side, e.g. OpenLDAP with slapo-ppolicy and config directive ppolicy_hash_cleartext. But that depends on server configuration.

Ciao, Michael.

Christian Kratzer                   CK Software GmbH
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