diff --git a/reactos/lib/advapi32/advapi32.def b/reactos/lib/advapi32/advapi32.def
index 7d1485818af..bb8151504f6 100644
--- a/reactos/lib/advapi32/advapi32.def
+++ b/reactos/lib/advapi32/advapi32.def
@@ -1,4 +1,4 @@
-; $Id: advapi32.def,v 1.26 2004/12/11 00:21:33 weiden Exp $
+; $Id: advapi32.def,v 1.27 2004/12/13 19:06:27 weiden Exp $
 ;
 ; advapi32.def
 ;
@@ -122,6 +122,7 @@ EnumServicesStatusW@32
 EqualPrefixSid@8
 EqualSid@8
 FindFirstFreeAce@8
+FreeInheritedFromArray@12
 FreeSid@4
 GetAce@12
 GetAclInformation@16
@@ -143,6 +144,8 @@ GetCurrentHwProfileW@4
 ;GetExplicitEntriesFromAclW@12
 GetFileSecurityA@20
 GetFileSecurityW@20
+GetInheritanceSourceA@40
+GetInheritanceSourceW@40
 GetKernelObjectSecurity@20
 GetLengthSid@4
 ;GetMultipleTrusteeA@4
@@ -376,7 +379,7 @@ SetSecurityDescriptorDacl@16
 SetSecurityDescriptorGroup@12
 SetSecurityDescriptorOwner@12
 SetSecurityDescriptorSacl@16
-;SetSecurityInfo@28
+SetSecurityInfo@28
 SetServiceBits@16
 SetServiceObjectSecurity@12
 SetServiceStatus@8
diff --git a/reactos/lib/advapi32/sec/ac.c b/reactos/lib/advapi32/sec/ac.c
index 181a1c29bf3..7f81d983c93 100644
--- a/reactos/lib/advapi32/sec/ac.c
+++ b/reactos/lib/advapi32/sec/ac.c
@@ -1,4 +1,4 @@
-/* $Id: ac.c,v 1.11 2004/09/13 12:14:11 ekohl Exp $
+/* $Id: ac.c,v 1.12 2004/12/13 19:06:28 weiden Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -8,6 +8,8 @@
 
 #include "advapi32.h"
 
+#define NDEBUG
+#include <debug.h>
 
 /* --- ACL --- */
 
@@ -375,4 +377,66 @@ GetAce (
 	return TRUE;
 }
 
+
+/*
+ * @unimplemented
+ */
+DWORD
+STDCALL
+GetInheritanceSourceW (
+	LPWSTR			pObjectName,
+	SE_OBJECT_TYPE		ObjectType,
+	SECURITY_INFORMATION	SecurityInfo,
+	BOOL			Container,
+	GUID**			pObjectClassGuids  OPTIONAL,
+	DWORD			GuidCount,
+	PACL			pAcl,
+	PFN_OBJECT_MGR_FUNCTS	pfnArray  OPTIONAL,
+	PGENERIC_MAPPING	pGenericMapping,
+	PINHERITED_FROMW	pInheritArray
+	)
+{
+	DPRINT1("%s() not implemented!\n", __FUNCTION__);
+	return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+
+/*
+ * @unimplemented
+ */
+DWORD
+STDCALL
+GetInheritanceSourceA (
+	LPSTR			pObjectName,
+	SE_OBJECT_TYPE		ObjectType,
+	SECURITY_INFORMATION	SecurityInfo,
+	BOOL			Container,
+	GUID**			pObjectClassGuids  OPTIONAL,
+	DWORD			GuidCount,
+	PACL			pAcl,
+	PFN_OBJECT_MGR_FUNCTS	pfnArray  OPTIONAL,
+	PGENERIC_MAPPING	pGenericMapping,
+	PINHERITED_FROM		pInheritArray
+	)
+{
+	DPRINT1("%s() not implemented!\n", __FUNCTION__);
+	return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+
+/*
+ * @unimplemented
+ */
+DWORD
+STDCALL
+FreeInheritedFromArray (
+	PINHERITED_FROM		pInheritArray,
+	USHORT			AceCnt,
+	PFN_OBJECT_MGR_FUNCTS	pfnArray  OPTIONAL
+	)
+{
+	DPRINT1("%s() not implemented!\n", __FUNCTION__);
+	return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
 /* EOF */
diff --git a/reactos/lib/advapi32/sec/misc.c b/reactos/lib/advapi32/sec/misc.c
index 30898bd8de9..030a6de4a5f 100644
--- a/reactos/lib/advapi32/sec/misc.c
+++ b/reactos/lib/advapi32/sec/misc.c
@@ -1,4 +1,4 @@
-/* $Id: misc.c,v 1.29 2004/12/13 07:09:56 royce Exp $
+/* $Id: misc.c,v 1.30 2004/12/13 19:06:28 weiden Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -541,14 +541,14 @@ GetUserNameW ( LPWSTR lpszName, LPDWORD lpSize )
     if ( dwLastError != ERROR_NO_TOKEN
       && dwLastError != ERROR_NO_IMPERSONATION_TOKEN )
     {
-      // don't call SetLastError(),
-      // as OpenThreadToken() ought to have set one
+      /* don't call SetLastError(),
+         as OpenThreadToken() ought to have set one */
       return FALSE;
     }
     if ( !OpenProcessToken ( GetCurrentProcess(), TOKEN_QUERY, &hToken ) )
     {
-      // don't call SetLastError(),
-      // as OpenProcessToken() ought to have set one
+      /* don't call SetLastError(),
+         as OpenProcessToken() ought to have set one */
       return FALSE;
     }
   }
@@ -569,8 +569,8 @@ GetUserNameW ( LPWSTR lpszName, LPDWORD lpSize )
     }
     if ( !GetTokenInformation ( hToken, TokenUser, tu_buf, tu_len, &tu_len ) )
     {
-      // don't call SetLastError(),
-      // as GetTokenInformation() ought to have set one
+      /* don't call SetLastError(),
+         as GetTokenInformation() ought to have set one */
       LocalFree ( tu_buf );
       CloseHandle ( hToken );
       return FALSE;
@@ -603,8 +603,8 @@ GetUserNameW ( LPWSTR lpszName, LPDWORD lpSize )
     }
     if ( !LookupAccountSidW ( NULL, token_user->User.Sid, lpszName, &an_len, domain_name, &dn_len, &snu ) )
     {
-      // don't call SetLastError(),
-      // as LookupAccountSid() ought to have set one
+      /* don't call SetLastError(),
+         as LookupAccountSid() ought to have set one */
       LocalFree ( domain_name );
       CloseHandle ( hToken );
       return FALSE;
@@ -1023,6 +1023,25 @@ GetSecurityInfo(HANDLE handle,
 }
 
 
+/**********************************************************************
+ * SetSecurityInfo				EXPORTED
+ *
+ * @unimplemented
+ */
+DWORD
+WINAPI
+SetSecurityInfo(HANDLE handle,
+                SE_OBJECT_TYPE ObjectType,
+                SECURITY_INFORMATION SecurityInfo,
+                PSID psidOwner,
+                PSID psidGroup,
+                PACL pDacl,
+                PACL pSacl)
+{
+  DPRINT1("SetSecurityInfo: stub\n");
+  return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
 
 /******************************************************************************
  * GetSecurityInfoExW         EXPORTED