用户名不同的计算机之间的调用dcom

核心提示：例子2：HRESULT hr = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_NONE, RPC_C_IMP_LEVEL_IDENTIFY, NULL, EOAC_NONE, NULL);COAUTHIDENTITY us;us.User =

例子2：

HRESULT hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
　 RPC_C_AUTHN_LEVEL_NONE, RPC_C_IMP_LEVEL_IDENTIFY, NULL, EOAC_NONE, NULL);

COAUTHIDENTITY us;

us.User　　　　　 = m_strName.AllocSysString();
us.UserLength　　 = wcslen(us.User);
us.Password　　　 = m_strPassword.AllocSysString();
us.PasswordLength = wcslen(us.Password);
us.Domain　　　　 = m_strDomain.AllocSysString();
us.DomainLength　 = wcslen(us.Domain);
us.Flags　　　　　= SEC_WINNT_AUTH_IDENTITY_UNICODE;

COAUTHINFO auth;

auth.dwAuthnSvc　　　　　 = RPC_C_AUTHN_WINNT;
auth.dwAuthzSvc　　　　　 = RPC_C_AUTHZ_NONE;
auth.pwszServerPrincName　= NULL;
auth.dwAuthnLevel　　　　 = RPC_C_AUTHN_LEVEL_CONNECT;
auth.dwImpersonationLevel = RPC_C_IMP_LEVEL_IMPERSONATE;
auth.dwCapabilities　　　 = EOAC_NONE;
auth.pAuthIdentityData　　= &us;

COSERVERINFO si;
MULTI_QI　　 qi;

CComBSTR bstr = strComputer;
LPWSTR name　 = bstr.m_str;

si.dwReserved1 = 0;
si.pwszName　　= name;
si.pAuthInfo　 = m_bAccess ? &auth : NULL;
si.dwReserved2 = 0;

IID iid = __uuidof(m_pIRemoteControl);
qi.pIID = &iid;
qi.pItf = NULL;

do
{
　 hr = CoCreateInstanceEx(__uuidof(RemoteControl), NULL, CLSCTX_SERVER, &si, 1, &qi);
　 if(FAILED(hr) || FAILED(qi.hr))
　 break ;

　 m_pIRemoteControl = (IRemoteControl *)qi.pItf;
}while(0);

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例子3：

HRESULT hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
　 RPC_C_AUTHN_LEVEL_NONE, RPC_C_IMP_LEVEL_IDENTIFY, NULL, EOAC_NONE, NULL);

COAUTHIDENTITY us;

us.User　　　　　 = m_strName.AllocSysString();
us.UserLength　　 = wcslen(us.User);
us.Password　　　 = m_strPassword.AllocSysString();
us.PasswordLength = wcslen(us.Password);
us.Domain　　　　 = m_strDomain.AllocSysString();
us.DomainLength　 = wcslen(us.Domain);
us.Flags　　　　　= SEC_WINNT_AUTH_IDENTITY_UNICODE;

COAUTHINFO auth;

auth.dwAuthnSvc　　　　　 = RPC_C_AUTHN_WINNT;
auth.dwAuthzSvc　　　　　 = RPC_C_AUTHZ_NONE;
auth.pwszServerPrincName　= NULL;
auth.dwAuthnLevel　　　　 = RPC_C_AUTHN_LEVEL_CONNECT;
auth.dwImpersonationLevel = RPC_C_IMP_LEVEL_IMPERSONATE;
auth.dwCapabilities　　　 = EOAC_NONE;
auth.pAuthIdentityData　　= &us;

MULTI_QI MultiQi={&IID_IUnknown,NULL,NOERROR};
COSERVERINFO si;
CComBSTR bstr = strComputer;
LPWSTR name　 = bstr.m_str;

si.dwReserved1 = 0;
si.pwszName　　= name;
si.pAuthInfo　 = m_bAccess ? &auth : NULL;
si.dwReserved2 = 0;

　 hr = CoCreateInstanceEx(__uuidof(RemoteControl), NULL, CLSCTX_SERVER, &si, 1, &MultiQi);

if(FAILED(hr))
{
　 MessageBox("创建对象实例失败！");
　 return;
}

　 //通过IUnkonwn指针去查询接口指针,返回IAccount指针
pUnknown = (IUnknown *) MultiQi.pItf;
hr = pUnknown->QueryInterface(IID_IAccount,(void**)&pAccount);
if(FAILED(hr))
{
　 MessageBox("没有查找的接口指针!");
　 return false;
}
pUnknown->Release();