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On Apr 16 22:50, Bryan Berns wrote: > Posting here because that's what Corinna told me to do. > > So I was looking into the issue I found with Cygwin not caching > orphaned / unknown groups. At least for my test case, this appears to > be rooted in the RID getting striped from the end of the SID just > prior to the line being outputted (line 2464 from the exert below) > within fetch_account_from_windows(). > > uinfo.cc: 2460: /* Check if we know the domain. If so, create a passwd/group > uinfo.cc: 2461: entry with domain prefix and RID as username. */ > uinfo.cc: 2462: PDS_DOMAIN_TRUSTSW td = NULL; > uinfo.cc: 2463: > uinfo.cc: 2464: sid_sub_auth_count (sid) = sid_sub_auth_count (sid) - 1; > > It's not clear to me, in general, why we're interested in creating a > "passwd/group entry with domain prefix and RID as username". Counter question. Why not? The result is that you know it's some account from a known domain, and the combination of the domain name and the RID results in a unique account name. Thanks for looking into this and tracking it down to this point. The problem in your case is that the sid isn't reverted in the following !domain branch. Please try this patch: diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc index 6186327..91d1d1c 100644 --- a/winsup/cygwin/uinfo.cc +++ b/winsup/cygwin/uinfo.cc @@ -2475,10 +2475,10 @@ pwdgrp::fetch_account_from_windows (fetch_user_arg_t &arg, cyg_ldap *pldap) posix_offset = fetch_posix_offset (td, &loc_ldap); break; } + sid_sub_auth_count (sid) = sid_sub_auth_count (sid) + 1; } if (domain) { - sid_sub_auth_count (sid) = sid_sub_auth_count (sid) + 1; wcscpy (dom, domain); __small_swprintf (name = namebuf, L"%W(%u)", is_group () ? L"Group" : L"User", Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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