ServicingAPI 初始化

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最新推荐文章于 2024-02-22 09:52:15 发布

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分类专栏：编程语言 WCP 操作系统相关系统维护

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ServicingAPI 初始化和 GetIdentityAuthority函数和g_pIIdentityAuthority 和g_pIAppIdAuthority全局变量

有一个函数：

GetIdentityAuthority

有两个全局变量：

g_pIIdentityAuthority

g_pIAppIdAuthority

//----- (100942CB)--------------------------------------------------------
int __fastcall Windows::ServicingAPI::Initialize(

int a1,

structWindows::WCP::Rtl::_RTL_TRACING_FACILITY *a2

)
{

if (`anonymous namespace'::g_pIIdentityAuthority )
    goto LABEL_5;
ppIIdentityAuthority = 0;
v2 =GetIdentityAuthority(&ppIIdentityAuthority);
v3 =ppIIdentityAuthority;
v4 =v2;
if (v2 >= 0)
{
    v5 =_InterlockedCompareExchange(
           (volatilesigned __int32 *)&`anonymousnamespace'::g_pIIdentityAuthority,
           (signed__int32)ppIIdentityAuthority,
           0);
    v6 =v5 != 0? (unsignedint)ppIIdentityAuthority : 0;
    if (v5 != 0? (unsignedint)ppIIdentityAuthority : 0 )
    {
      ppIIdentityAuthority = 0;
      v7 =v6;
      v8 =*(void(__stdcall **)(unsigned int))(*(_DWORD *)v6 + 8);
      v8(v7);
    }
LABEL_5:
    if (!`anonymous namespace'::g_pIAppIdAuthority )
    {
      ppIIdentityAuthority = 0;
      v9 =GetAppIdAuthority((IAppIdAuthority **)&ppIIdentityAuthority);
      v3 =ppIIdentityAuthority;
      v4 =v9;
     v13 =_InterlockedCompareExchange(
              (volatilesigned __int32 *)&`anonymousnamespace'::g_pIAppIdAuthority,
              (signed__int32)ppIIdentityAuthority,
              0);
      v14 =v13 != 0? (unsignedint)ppIIdentityAuthority : 0;
      if (v14 )
      {
        ppIIdentityAuthority = 0;
        v15 =v14;
        v16 =*(void(__stdcall **)(unsigned int))(*(_DWORD *)v14 + 8);
        v16(v15);
      }
    }
    return 0;
}
LABEL_7:
v17 =v4;
if (v3 )
{
    ppIIdentityAuthority = 0;
    v10 =v3;
    v11 =v3->lpVtbl->Release;
    v11(v10);
}
Windows::ErrorHandling::COM::CBaseFrame<Windows::ErrorHandling::COM::CVoidRaiseFrame>::ReportErrorPropagation(
    &v17,
    (int)v3);
return v4;
}
// 1027D5DC: using guessed type int `anonymousnamespace'::g_pIIdentityAuthority;
// 1027FB78: using guessed type int `anonymousnamespace'::g_pIAppIdAuthority;