CString CUtils::GetOsName( void )
{
static CString szOsName;
if (szOsName.IsEmpty())
{
if (IsXP())
{
szOsName = L"windowsxp";
}
if (IsVista())
{
szOsName = L"windowsvista";
}
if (IsWin7())
{
szOsName = L"windows7";
}
if (IsWin8())
{
szOsName = L"windows8";
}
if (IsWin8_1())
{
szOsName = L"windows81";
}
if (IsWin10())
{
szOsName = L"windows10";
}
}
return szOsName;
}
FrameDrawStyle CDwmHelper::DrawType()
{
if (IsWin8())
{
m_DrawType = fdt_Win8;
}
else if (IsGlass())
{
m_DrawType = fdt_Aero;
}
else if (IsThemed())
{
m_DrawType = fdt_Themed;
}
else
{
m_DrawType = fdt_Win2k;
}
return m_DrawType;
}
bool CreateDefaultDACL(PACL *ppDacl)
{
typedef struct _SID2
{
SID m_sid;
DWORD m_dwRID2;
}SID2;
if( !ppDacl )
{
return false;
}
SID sidEveryone = {SID_REVISION, 1, SECURITY_WORLD_SID_AUTHORITY, SECURITY_WORLD_RID};
SID sidApp0 = {SID_REVISION, 2, SECURITY_APP_PACKAGE_AUTHORITY,SECURITY_APP_PACKAGE_BASE_RID};
SID2 sidApp = {sidApp0, SECURITY_BUILTIN_PACKAGE_ANY_PACKAGE};
const DWORD _maxVersion2AceSize = sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE) - sizeof(DWORD) + ::GetLengthSid(&sidEveryone);
DWORD cb = _maxVersion2AceSize * 2;
*ppDacl = (PACL)::LocalAlloc(GPTR, cb);
if ( !::InitializeAcl(*ppDacl, cb, ACL_REVISION) )
{
return false;
}
DWORD grfInherit = OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE;
if ( !::AddAccessAllowedAceEx(*ppDacl, ACL_REVISION, grfInherit, GENERIC_ALL|WRITE_DAC, &sidEveryone) )
{
return false;
}
if ( IsWin8() && !::AddAccessAllowedAceEx(*ppDacl, ACL_REVISION, grfInherit, GENERIC_ALL|WRITE_DAC, &sidApp) )
{
return false;
}
return true;
}
static bool InnerAddAccessRight(const wchar_t *p_szName, SE_OBJECT_TYPE p_seObjType, unsigned long p_lAccessMask, bool p_bInherit)
{
bool bRet = false;
DWORD dwRet = ERROR_SUCCESS;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pOldDacl = NULL;
PACL pNewDacl = NULL;
EXPLICIT_ACCESSW aEA[2];
if ( p_bInherit )
{
__try
{
dwRet = ::GetNamedSecurityInfoW((LPWSTR)p_szName, p_seObjType, DACL_SECURITY_INFORMATION, NULL, NULL, &pOldDacl, NULL, &pSD);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return false;
}
}
if ( dwRet != ERROR_SUCCESS )
{
goto exit_point;
}
// 创建一个ACE，允许Everyone完全控制对象，并允许子对象继承此权限。
::ZeroMemory(aEA, sizeof(EXPLICIT_ACCESS) * 2);
__try
{
::BuildExplicitAccessWithNameW(&aEA[0], L"Everyone", p_lAccessMask, SET_ACCESS, SUB_CONTAINERS_AND_OBJECTS_INHERIT);
::BuildExplicitAccessWithNameW(&aEA[1], L"ALL APPLICATION PACKAGES", p_lAccessMask, SET_ACCESS, SUB_CONTAINERS_AND_OBJECTS_INHERIT);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return false;
}
// 将新的ACE加入DACL
__try
{
int nSet = 1;
if ( IsWin8() )
{
nSet = 2;
}
dwRet = ::SetEntriesInAclW(nSet, aEA, pOldDacl, &pNewDacl);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return false;
}
if ( dwRet != ERROR_SUCCESS )
{
goto exit_point;
}
// 更新DACL
DWORD dwFlag = DACL_SECURITY_INFORMATION;
if ( !p_bInherit )
{
dwFlag |= PROTECTED_DACL_SECURITY_INFORMATION;
}
__try
{
dwRet = ::SetNamedSecurityInfoW((LPWSTR)p_szName, p_seObjType, dwFlag, NULL, NULL, pNewDacl, NULL);
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
return false;
}
if ( dwRet != ERROR_SUCCESS )
{
goto exit_point;
}
bRet = true;
exit_point:
if ( pNewDacl )
{
::LocalFree(pNewDacl);
}
if ( pSD )
{
::LocalFree(pSD);
}
return bRet;
}
