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#include <windows.h>
#include <stdio.h>
#include <Aclapi.h>
#include <tchar.h>
#pragma comment(lib,"Advapi32")
int main()
{
LPTSTR SamName = _T("CURRENT_USER\\aa");
PACL pOldDacl=NULL;
PACL pNewDacl=NULL;
DWORD dRet;
EXPLICIT_ACCESS eia;
PSECURITY_DESCRIPTOR pSID=NULL;
dRet = GetNamedSecurityInfo(SamName,SE_REGISTRY_KEY,DACL_SECURITY_INFORMATION,NULL,NULL,&pOldDacl,NULL,&pSID);// 获取SAM主键的DACL
if(dRet=ERROR_SUCCESS)
return 0;
//创建一个ACE,允许Administrators组成员完全控制对象,并允许子对象继承此权限
ZeroMemory(&eia,sizeof(EXPLICIT_ACCESS));
BuildExplicitAccessWithName(&eia,_T("Administrators"),KEY_ALL_ACCESS,SET_ACCESS,SUB_CONTAINERS_AND_OBJECTS_INHERIT);
// 将新的ACE加入DACL
dRet = SetEntriesInAcl(1,&eia,pOldDacl,&pNewDacl);
if(dRet=ERROR_SUCCESS)
return 0;
dRet = SetNamedSecurityInfo(SamName,SE_REGISTRY_KEY,DACL_SECURITY_INFORMATION,NULL,NULL,pNewDacl,NULL);
if(dRet=ERROR_SUCCESS)
return 0;
//释放DACL和SID
if(pNewDacl)LocalFree(pNewDacl);
if(pSID)LocalFree(pSID);
return 0;
}