Corinna Vinschen
Fri Jul 26 12:49:00 GMT 2002

On Fri, Jul 26, 2002 at 09:39:52AM -0400, Pierre A. Humblet wrote:
> The idea is that setgroups finds the group sids in /etc/group and stores 
> them in a structure in cygheap->user. That structure must be cmalloc'ed,
> hence the new class. The primary group sid is also stored there,
> which requires minor changes in internal_getlogin and setegid.
> setgroups returns an error if sids are not in /etc/group.
> When seteuid is called, create_token checks if setgroups was called. 
> + If not, it does exactly as before and calls the former get_group_sidlist, 
> which is broken into get_initgroups_sidlist and get_token_group_sidlist
> for software reuse reasons (see below).
> + If setgroups has been called, create_token calls get_setgroups_sidlist,
> which copies the group sids from the cygheap to the temporary cygsidlist
> and which also calls get_token_group_sidlist (reuse software).
> Sorry if this is too terse, I'd be happy to answer more questions.

No, that's perfectly ok.  Hmm, somehow I'd still wish to avoid two
implementations of sidlists...


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                      
Red Hat, Inc.

More information about the Cygwin-patches mailing list