From 1a9fa20283c70a4b2acf184922da4e470d41649c Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Wed, 18 Jul 2007 09:47:05 +0000
Subject: [PATCH] Implement QuerySecurityAccessMask

svn path=/trunk/; revision=27712
---
 reactos/dll/win32/advapi32/advapi32.def |  1 +
 reactos/dll/win32/advapi32/sec/sec.c    | 22 ++++++++++++++++++++++
 reactos/include/psdk/winbase.h          |  3 +++
 3 files changed, 26 insertions(+)

diff --git a/reactos/dll/win32/advapi32/advapi32.def b/reactos/dll/win32/advapi32/advapi32.def
index da951167a99..75aca3e730c 100644
--- a/reactos/dll/win32/advapi32/advapi32.def
+++ b/reactos/dll/win32/advapi32/advapi32.def
@@ -451,6 +451,7 @@ PrivilegedServiceAuditAlarmW@20
 ;QueryAllTracesA
 ;QueryAllTracesW
 QueryRecoveryAgentsOnEncryptedFile@8
+QuerySecurityAccessMask@8
 QueryServiceConfig2A@20
 QueryServiceConfig2W@20
 QueryServiceConfigA@16
diff --git a/reactos/dll/win32/advapi32/sec/sec.c b/reactos/dll/win32/advapi32/sec/sec.c
index 560b6472103..35aaf8cbe2a 100644
--- a/reactos/dll/win32/advapi32/sec/sec.c
+++ b/reactos/dll/win32/advapi32/sec/sec.c
@@ -465,6 +465,28 @@ SetSecurityDescriptorSacl (
 }
 
 
+/*
+ * @implemented
+ */
+VOID
+WINAPI
+QuerySecurityAccessMask(IN SECURITY_INFORMATION SecurityInformation,
+                        OUT LPDWORD DesiredAccess)
+{
+    *DesiredAccess = 0;
+
+    if (SecurityInformation & (OWNER_SECURITY_INFORMATION |
+                               GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION))
+    {
+        *DesiredAccess |= READ_CONTROL;
+    }
+
+    if (SecurityInformation & SACL_SECURITY_INFORMATION)
+    {
+        *DesiredAccess |= ACCESS_SYSTEM_SECURITY;
+    }
+}
+
 /*
  * @unimplemented
  */
diff --git a/reactos/include/psdk/winbase.h b/reactos/include/psdk/winbase.h
index ebdca872047..fcdc53b5c30 100644
--- a/reactos/include/psdk/winbase.h
+++ b/reactos/include/psdk/winbase.h
@@ -1841,6 +1841,9 @@ BOOL WINAPI QueryMemoryResourceNotification(HANDLE,PBOOL);
 #endif
 BOOL WINAPI QueryPerformanceCounter(PLARGE_INTEGER);
 BOOL WINAPI QueryPerformanceFrequency(PLARGE_INTEGER);
+#if (_WIN32_WINNT >= 0x0600)
+VOID WINAPI QuerySecurityAccessMask(SECURITY_INFORMATION,LPDWORD);
+#endif
 DWORD WINAPI QueueUserAPC(PAPCFUNC,HANDLE,ULONG_PTR);
 #if (_WIN32_WINNT >= 0x0500)
 BOOL WINAPI QueueUserWorkItem(LPTHREAD_START_ROUTINE,PVOID,ULONG);