获取当前系统用户是管理员权限还是普通用户权限

来源：互联网发布：java闰年的计算方法编辑：程序博客网时间：2024/05/05 00:54

BOOL WINAPI IsAdminMode()
{
       HANDLE hAccessToken;
BYTE *InfoBuffer;
PTOKEN_GROUPS                       ptgGroups;
        DWORD dwInfoBufferSize;
PSID psidAdministrators;
SID_IDENTIFIER_AUTHORITY siaNtAuthority = SECURITY_NT_AUTHORITY;
UINT i;
BOOL bRet = FALSE;

if(!OpenProcessToken(GetCurrentProcess(),TOKEN_QUERY,&hAccessToken))
goto cleanup;

InfoBuffer = new BYTE[1024];
if(!InfoBuffer)
goto cleanup;

bRet = GetTokenInformation(hAccessToken,
TokenGroups,
InfoBuffer,
1024,
&dwInfoBufferSize);

CloseHandle(hAccessToken);

if(!bRet)
goto cleanup;
if( !AllocateAndInitializeSid(&siaNtAuthority,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0,0,0,0,0,0,&psidAdministrators) )
goto cleanup;

bRet = FALSE;

ptgGroups = (PTOKEN_GROUPS)InfoBuffer;

for(i = 0; i < ptgGroups-> GroupCount; i++)
{
if(EqualSid(psidAdministrators,ptgGroups-> Group[i].Sid))
{
bRet = TRUE;
break;
}
}

FreeSid(psidAdministrators);

cleanup:

if(InfoBuffer)
delete[] InfoBuffer;

return bRet;
}