Hi Corinna On Tuesday, August 16, 2016 05:12, "Corinna Vinschen" <corinna-cyg...@cygwin.com> said:
> Hi Russell, > > This is as bad as I feared. Apart from the username and the Windows > home dir, there are no other information which could be fetched by > the usual means. Quite apart from the fact that there are no means to > *store* this information somewhere, other than creating an explicit > /etc/passwd and matching /etc/group entry. > > But, anyway, I prepared some code for the Cygwin DLL to handle these > accounts even if no /etc/passwd and /etc/group entries are present. It > still needs some work, though, and for that I'd ask you to perform a > last test. > > I attached a short testcase. We know that LookupAccountSid from the > user SID in the user token returns a name (RussellMora) and a domain > (AzureAD). However, the open question is if the reverse operation > LookupAccountName works as desired when feeding it the domain name > and the user name. Actually, for completeness the testcase tries it > two ways: Once only with the username, once with dom\username. > > The reason for testing this is, if the reverse lookup works with only > the name we *could* go ahead and omit the domain from the Cygwin > username. I'm not yet sure if that's feasible, but it's certainly worth > a try. > Both seem to work. I guess what you are proposing makes sense - the AzureAD domain is like a single domain with multiple tenants (yeah, I don't really know what I'm talking about with respect to AD....). Anyway, let me know if you want me to do any more testing, I'm still very willing to be a Guinea Pig (squeek squeek) - thanks for figuring this out for me! Unknown+User@Lenovo-PC /cygdrive/c/cygwin64 $ gcc -W azure-check5.c -l Netapi32 -o azure-check5 Unknown+User@Lenovo-PC /cygdrive/c/cygwin64 $ ./azure-check5 Sid: S-1-12-1-2043906341-1249388050-2635137163-399631282 Dom\Name: AzureAD\RussellMora Reverse Sid (RussellMora): S-1-12-1-2043906341-1249388050-2635137163-399631282 Reverse Sid (AzureAD\RussellMora): S-1-12-1-2043906341-1249388050-2635137163-399631282 Unknown+User@Lenovo-PC /cygdrive/c/cygwin64 $ HTH Cheers, Russell. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
