Hi Russell, On Aug 16 11:27, rm...@aboutgolf.com wrote: > 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
Good to know, thank you. Give me a bit and I'll come up with a Cygwin DLL for testing. Stay tuned, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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