[Samba] password chat program timeout

[Adam Tauno Williams]

> after some investigation, I found out why my users always get an error
> back when they try to change their passwords on win2k.
> unix password sync option is enabled and passwords are synchronised via
> passwd chat. All acounts are stored in ldap.
> With the value of 2000 ms in smbd/chgpasswd.c(function expect) I always
> got timeout messages in the logs. The reason for the timeout seems to be
> the relative long ldap-lookup. However with a value of 5000 ms it works,
> users can change their (unix-)passwords over samba.
> Is there a chance to have a default value of 5000 ms or even longer in
> the next release?
> I also wonder if somebody else observed this kind of timeout issue.

We have seen this too.  It would be ideal if this were a configuration directive.