On 2009-03-09, Michael Ströder <mich...@stroeder.com> wrote:
> >
> > But, it occurred to me that I'm not fully sure what I'm doing
> > when creating the SSHA1 hash,
>
> If the password is usable afterwards there's nothing wrong with
> client-side password hashing. The salt should be at least 4 bytes long.

Still, I'm uncertain how f.ex. character encodings will/should be
handled, so it seems safer to let the directory server handle both the
hashing and verification. 

> 
> Simply use None for oldpw.
> 

It didn't like None:

Traceback (most recent call last):
  File "./update-ldap-from-atmail.py", line 166, in ?
    con.passwd_s( dn, None, mailpassword )
  File "/usr/lib64/python2.4/site-packages/ldap/ldapobject.py", line 330, in 
passwd_s
    msgid = self.passwd(user,oldpw,newpw,serverctrls,clientctrls)
  File "/usr/lib64/python2.4/site-packages/ldap/ldapobject.py", line 327, in 
passwd
    return 
self._ldap_call(self._l.passwd,user,oldpw,newpw,EncodeControlTuples(serverctrls),EncodeControlTuples(clientctrls))
  File "/usr/lib64/python2.4/site-packages/ldap/ldapobject.py", line 94, in 
_ldap_call
    result = func(*args,**kwargs)
TypeError: argument 2 must be string or read-only buffer, not None

but "" seems to work (after I set up SSL to get around the 
ldap.CONFIDENTIALITY_REQUIRED). Thanks!



   -jf


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