migrating from sendmail/shadow to sasl on new box

[Rob Siemborski]

On Fri, 13 Jun 2003, John Alton Tamplin wrote:

> > As far as I've been able to find, the only way to migrate use info
> > from an old box running sendmail authenticating against shadow to a
> > new system running postfix authenticating against sasldb2 is to use
> > the auto_transition feature.  Is this true, or is there perhaps a
> > manual_transition feature that I might employ?
>
> If you have their clear-text password, or are willing to reset the
> passwords, it would be trivial to write a script to do it.  Otherwise,
> you do not have sufficient information (shadow only stores a one-way
> hash of the password, using crypt or md5 depending on your OS and
> configuration) to regenerate the clear-text password that is required.

To make matters worse, there is no good way to implement auto_transition
in a database-independent way currently, so it isn't going to do what you
want anyway.

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper