[cwittich] 41559: sync CreateWellKnownSid with wine 1.1.24

Author: cwittich
Date: Tue Jun 23 00:08:05 2009
New Revision: 41559

URL: http://svn.reactos.org/svn/reactos?rev=41559&view=rev
Log:
sync CreateWellKnownSid with wine 1.1.24

Modified:
    trunk/reactos/dll/win32/advapi32/sec/sid.c

Modified: trunk/reactos/dll/win32/advapi32/sec/sid.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/sec/sid....
==============================================================================
--- trunk/reactos/dll/win32/advapi32/sec/sid.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/advapi32/sec/sid.c [iso-8859-1] Tue Jun 23 00:08:05 2009
@@ -1664,7 +1664,8 @@
     unsigned int i;
     TRACE("(%d, %s, %p, %p)\n", WellKnownSidType, debugstr_sid(DomainSid), pSid, cbSid);

-    if (cbSid == NULL || pSid == NULL || (DomainSid && !IsValidSid(DomainSid))) {
+    if (cbSid == NULL || (DomainSid && !IsValidSid(DomainSid)))
+    {
         SetLastError(ERROR_INVALID_PARAMETER);
         return FALSE;
     }
@@ -1673,11 +1674,17 @@
         if (WellKnownSids[i].Type == WellKnownSidType) {
             DWORD length = GetSidLengthRequired(WellKnownSids[i].Sid.SubAuthorityCount);

-            if (*cbSid < length) {
+            if (*cbSid < length)
+            {
+                *cbSid = length;
                 SetLastError(ERROR_INSUFFICIENT_BUFFER);
                 return FALSE;
             }
-
+            if (!pSid)
+            {
+                SetLastError(ERROR_INVALID_PARAMETER);
+                return FALSE;
+            }
             CopyMemory(pSid, &WellKnownSids[i].Sid.Revision, length);
             *cbSid = length;
             return TRUE;
@@ -1696,11 +1703,17 @@
             DWORD domain_sid_length = GetSidLengthRequired(domain_subauth);
             DWORD output_sid_length = GetSidLengthRequired(domain_subauth + 1);

-            if (*cbSid < output_sid_length) {
+            if (*cbSid < output_sid_length)
+            {
+                *cbSid = output_sid_length;
                 SetLastError(ERROR_INSUFFICIENT_BUFFER);
                 return FALSE;
             }
-
+            if (!pSid)
+            {
+                SetLastError(ERROR_INVALID_PARAMETER);
+                return FALSE;
+            }
             CopyMemory(pSid, DomainSid, domain_sid_length);
             (*GetSidSubAuthorityCount(pSid))++;
             (*GetSidSubAuthority(pSid, domain_subauth)) = WellKnownRids[i].Rid;