Paul Bryan Roberts : advapi32: LookupAccountNameW() - use ACCOUNT_SIDS domain and name_use fields for well known SIDS.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 04cccae9438691fa3042bda7a7d7fadbcbcf3dfa
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=04cccae9438691fa3042bda7a7d7fadbcbcf3dfa

Author: Paul Bryan Roberts <pbronline-wine at yahoo.co.uk>
Date:   Sat Oct 18 20:51:58 2008 +0100

advapi32: LookupAccountNameW() - use ACCOUNT_SIDS domain and name_use fields for well known SIDS.

---

 dlls/advapi32/security.c |   29 ++++++++++++++++++++++++-----
 1 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/dlls/advapi32/security.c b/dlls/advapi32/security.c
index 87dca9b..77009af 100644
--- a/dlls/advapi32/security.c
+++ b/dlls/advapi32/security.c
@@ -2536,11 +2536,30 @@ BOOL WINAPI LookupAccountNameW( LPCWSTR lpSystemName, LPCWSTR lpAccountName, PSI
     {
         if (!strcmpW(lpAccountName, ACCOUNT_SIDS[i].account))
         {
-            if (*cchReferencedDomainName)
-                *ReferencedDomainName = '\0';
-            *cchReferencedDomainName = 0;
-            *peUse = SidTypeWellKnownGroup;
-            return CreateWellKnownSid(ACCOUNT_SIDS[i].type, NULL, Sid, cbSid);
+            ret = CreateWellKnownSid(ACCOUNT_SIDS[i].type, NULL, Sid, cbSid);
+
+            domainName = ACCOUNT_SIDS[i].domain;
+            nameLen = strlenW(domainName);
+
+            if (*cchReferencedDomainName <= nameLen && ReferencedDomainName)
+            {
+                SetLastError(ERROR_INSUFFICIENT_BUFFER);
+                nameLen += 1;
+                ret = FALSE;
+            }
+            else if (ReferencedDomainName && domainName)
+            {
+                strcpyW(ReferencedDomainName, domainName);
+            }
+
+            *cchReferencedDomainName = nameLen;
+
+            if (ret)
+            {
+                *peUse = ACCOUNT_SIDS[i].name_use;
+            }
+
+            return ret;
         }
     }