Changing a local passwd will now keep the encryption type that
was originally used to encrypt the password, so folks adding DES
to their systems will not be irritated/confused by having MD5'ed
passwords in their master.passwd. Coming later is an option to
allow the user to choose the encryption type.
2) Fix a bunch of compiler warnings announced by turning on -Wall.
I did not get them all, that will come a bit later.
The #ifdef NEWSALT code doesn't NULL terminate the salt string..
We dont appear to use this code anymore, but it shouldn't hurt
Submitted by: Laurence Lopez <lopez@mv.mv.com>
correctly whether a user is local or NIS (or both, or neither). If you
have a user that exists locally but not in NIS, passwd(1) could get
confused and try to submit the password change to NIS. (Fortunately,
yppasswdd is smart enough to spot the error and reject the change.)
Bug reported by: Charles Owens <owensc@enc.edu>
Change things slightly so this message says "local" or "YP" as needed
so we can use it for both NIS and local password changes without
confusing people.