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Don't call LsaLookupSids if we're not utilizing Windows account DBs

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* grp.cc (internal_getgrfull): Drop asking caches.  Explain why.
        (internal_getgroups): In case we're not utilizing the Windows account
        DBs, don't call LsaLookupSids but iterate over the group SIDs in the
        token and call internal_getgrsid for each of them.  Explain why.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2015-08-17 22:45:02 +02:00
parent 88dce3abd8
commit 4cb24051f4
3 changed files with 42 additions and 19 deletions
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5
winsup/cygwin/release/2.2.1
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@@ -11,8 +11,9 @@ Bug Fixes
modern CPUs and modern Windows OSes supporting more than 64 logical CPUs.
Addresses: https://cygwin.com/ml/cygwin/2015-06/msg00345.html
- Don't try to perform RFC2307 owner/group mapping on Samba/NFS if account
info is only fetched from local passwd/group files.
- Don't call LsaLookupSids to fetch group information and don't perform RFC2307
owner/group mapping on Samba/NFS if account info is only fetched from local
passwd/group files.
Addresses: https://cygwin.com/ml/cygwin/2015-07/msg00270.html
- Precautionally fix a potential data corruption problem in pipe I/O, only