702 lines
17 KiB
C++
702 lines
17 KiB
C++
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// kerberos.cpp: implementation of the CKerberosPolicy class.
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//
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// Copyright (c)1997-1999 Microsoft Corporation
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//
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//////////////////////////////////////////////////////////////////////
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#include "precomp.h"
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#include "kerberos.h"
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#include "persistmgr.h"
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#include <io.h>
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#include "requestobject.h"
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#define KeyTicket L"MaxTicketAge"
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#define KeyRenew L"MaxRenewAge"
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#define KeyService L"MaxServiceAge"
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#define KeyClock L"MaxClockSkew"
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#define KeyClient L"TicketValidateClient"
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/*
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Routine Description:
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Name:
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CKerberosPolicy::CKerberosPolicy
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Functionality:
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This is the constructor. Pass along the parameters to the base class
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Virtual:
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No (you know that, constructor won't be virtual!)
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Arguments:
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pKeyChain - Pointer to the ISceKeyChain COM interface which is prepared
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by the caller who constructs this instance.
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pNamespace - Pointer to WMI namespace of our provider (COM interface).
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Passed along by the caller. Must not be NULL.
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pCtx - Pointer to WMI context object (COM interface). Passed along
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by the caller. It's up to WMI whether this interface pointer is NULL or not.
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Return Value:
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None as any constructor
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Notes:
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if you create any local members, think about initialize them here
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*/
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CKerberosPolicy::CKerberosPolicy (
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ISceKeyChain * pKeyChain,
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IWbemServices * pNamespace,
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IWbemContext * pCtx
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)
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:
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CGenericClass(pKeyChain, pNamespace, pCtx)
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{
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}
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/*
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Routine Description:
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Name:
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CKerberosPolicy::~CKerberosPolicy
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Functionality:
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Destructor. Necessary as good C++ discipline since we have virtual functions.
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Virtual:
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Yes.
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Arguments:
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none as any destructor
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Return Value:
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None as any destructor
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Notes:
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if you create any local members, think about whether
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there is any need for a non-trivial destructor
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*/
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CKerberosPolicy::~CKerberosPolicy()
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{
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}
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/*
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Routine Description:
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Name:
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CKerberosPolicy::CreateObject
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Functionality:
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Create WMI objects (Sce_KerberosPolicy). Depending on parameter atAction,
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this creation may mean:
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(a) Get a single instance (atAction == ACTIONTYPE_GET)
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(b) Get several instances satisfying some criteria (atAction == ACTIONTYPE_QUERY)
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(c) Delete an instance (atAction == ACTIONTYPE_DELETE)
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Virtual:
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Yes.
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Arguments:
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pHandler - COM interface pointer for notifying WMI for creation result.
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atAction - Get single instance ACTIONTYPE_GET
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Get several instances ACTIONTYPE_QUERY
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Delete a single instance ACTIONTYPE_DELETE
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR. The returned objects are indicated to WMI,
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not directly passed back via parameters.
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Failure: Various errors may occurs. Except WBEM_E_NOT_FOUND, any such error should indicate
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the failure of getting the wanted instance. If WBEM_E_NOT_FOUND is returned in querying
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situations, this may not be an error depending on caller's intention.
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Notes:
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*/
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HRESULT
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CKerberosPolicy::CreateObject (
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IWbemObjectSink * pHandler,
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ACTIONTYPE atAction
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)
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{
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//
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// we know how to:
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// Get single instance ACTIONTYPE_GET
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// Delete a single instance ACTIONTYPE_DELETE
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// Get several instances ACTIONTYPE_QUERY
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//
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if ( ACTIONTYPE_GET != atAction &&
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ACTIONTYPE_DELETE != atAction &&
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ACTIONTYPE_QUERY != atAction )
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{
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return WBEM_E_NOT_SUPPORTED;
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}
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//
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// We must have the pStorePath property because that is where
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// our instance is stored.
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// m_srpKeyChain->GetKeyPropertyValue WBEM_S_FALSE if the key is not recognized
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// So, we need to test against WBEM_S_FALSE if the property is mandatory
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//
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CComVariant varStorePath;
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HRESULT hr = m_srpKeyChain->GetKeyPropertyValue(pStorePath, &varStorePath);
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if (SUCCEEDED(hr) && hr != WBEM_S_FALSE && varStorePath.vt == VT_BSTR)
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{
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//
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// create a store to do the reading
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//
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CSceStore SceStore;
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hr = SceStore.SetPersistPath(varStorePath.bstrVal);
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if ( SUCCEEDED(hr) )
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{
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//
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// make sure the store (just a file) really exists. The raw path
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// may contain env variables, so we need the expanded path
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//
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DWORD dwAttrib = GetFileAttributes(SceStore.GetExpandedPath());
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if ( dwAttrib != -1 )
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{
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if (ACTIONTYPE_DELETE == atAction)
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{
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hr = DeleteInstance(pHandler, &SceStore);
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}
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else
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{
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hr = ConstructInstance(pHandler, &SceStore, varStorePath.bstrVal, atAction);
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}
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}
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else
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{
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hr = WBEM_E_NOT_FOUND;
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}
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}
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}
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return hr;
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}
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/*
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Routine Description:
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Name:
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CKerberosPolicy::PutInst
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Functionality:
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Put an instance as instructed by WMI. Since this class implements Sce_KerberosPolicy,
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which is persistence oriented, this will cause the Sce_KerberosPolicy object's property
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information to be saved in our store.
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Virtual:
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Yes.
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Arguments:
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pInst - COM interface pointer to the WMI class (Sce_KerberosPolicy) object.
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pHandler - COM interface pointer for notifying WMI of any events.
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pCtx - COM interface pointer. This interface is just something we pass around.
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WMI may mandate it (not now) in the future. But we never construct
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such an interface and so, we just pass around for various WMI API's
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR.
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Failure: Various errors may occurs. Any such error should indicate the failure of persisting
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the instance.
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Notes:
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Since GetProperty will return a success code (WBEM_S_RESET_TO_DEFAULT) when the
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requested property is not present, don't simply use SUCCEEDED or FAILED macros
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to test for the result of retrieving a property.
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*/
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HRESULT
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CKerberosPolicy::PutInst (
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IN IWbemClassObject * pInst,
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IN IWbemObjectSink * pHandler,
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IN IWbemContext * pCtx
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)
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{
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HRESULT hr = WBEM_E_INVALID_PARAMETER;
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//
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// SCE_NO_VALUE means the property is not available from the instance.
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//
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DWORD dwTicket = SCE_NO_VALUE;
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DWORD dwRenew = SCE_NO_VALUE;
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DWORD dwService = SCE_NO_VALUE;
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DWORD dwClock = SCE_NO_VALUE;
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DWORD dwClient = SCE_NO_VALUE;
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//
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// CScePropertyMgr helps us to access WMI object's properties
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// create an instance and attach the WMI object to it.
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// This will always succeed.
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//
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CScePropertyMgr ScePropMgr;
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ScePropMgr.Attach(pInst);
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CSceStore SceStore;
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//
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// the use of the macro SCE_PROV_IfErrorGotoCleanup cause
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// a "goto CleanUp;" with hr set to the return value from
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// the function (macro parameter)
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//
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//
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// in hours
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//
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pMaxTicketAge, &dwTicket));
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//
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// in days
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//
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pMaxRenewAge, &dwRenew));
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//
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// in minutes
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//
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pMaxServiceAge, &dwService));
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//
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// dependency check
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//
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if ( dwTicket != SCE_NO_VALUE &&
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dwRenew != SCE_NO_VALUE &&
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dwService != SCE_NO_VALUE )
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{
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//
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// dwRenew >= dwTicket
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// dwRenew > dwService
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// dwTicket > dwService
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//
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if ( dwService < 10 || dwService > 99999L ||
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dwRenew == 0 || dwRenew > 99999L ||
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dwTicket == 0 || dwTicket > 99999L )
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{
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hr = WBEM_E_VALUE_OUT_OF_RANGE;
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}
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else
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{
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DWORD dHours = dwRenew * 24;
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if ( dHours < dwTicket ||
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(dHours * 60) <= dwService ||
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(dwTicket * 60) <= dwService )
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{
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hr = WBEM_E_VALUE_OUT_OF_RANGE;
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}
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}
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}
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else if ( dwTicket != SCE_NO_VALUE ||
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dwRenew != SCE_NO_VALUE ||
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dwService != SCE_NO_VALUE )
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{
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hr = WBEM_E_ILLEGAL_NULL;
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}
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if ( FAILED(hr) )
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{
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goto CleanUp;
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}
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//
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// in minutes
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//
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pMaxClockSkew, &dwClock));
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if ( dwClock != SCE_NO_VALUE && dwClock > 99999L )
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{
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hr = WBEM_E_VALUE_OUT_OF_RANGE;
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goto CleanUp;
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}
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SCE_PROV_IfErrorGotoCleanup(ScePropMgr.GetProperty(pEnforceLogonRestrictions, &dwClient));
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//
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// Attach the WMI object instance to the store and let the store know that
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// it's store is given by the pStorePath property of the instance.
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//
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SCE_PROV_IfErrorGotoCleanup(SceStore.SetPersistProperties(pInst, pStorePath));
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//
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// now save the info to file
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//
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hr = SaveSettingsToStore(&SceStore,
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dwTicket,
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dwRenew,
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dwService,
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dwClock,
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dwClient
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);
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CleanUp:
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return hr;
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}
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/*
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Routine Description:
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Name:
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CKerberosPolicy::ConstructInstance
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Functionality:
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This is private function to create an instance of Sce_KerberosPolicy.
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Virtual:
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No.
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Arguments:
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pHandler - COM interface pointer for notifying WMI of any events.
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pSceStore - Pointer to our store. It must have been appropriately set up.
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wszLogStorePath - store path, a key property of Sce_KerberosPolicy class.
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atAction - indicates whether it is querying or get single instance.
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Return Value:
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Success: it must return success code (use SUCCEEDED to test). It is
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not guaranteed to return WBEM_NO_ERROR.
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Failure: Various errors may occurs. Any such error should indicate the creating the instance.
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Notes:
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*/
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HRESULT
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CKerberosPolicy::ConstructInstance (
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IN IWbemObjectSink * pHandler,
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IN CSceStore * pSceStore,
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IN LPWSTR wszLogStorePath,
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IN ACTIONTYPE atAction
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// make sure that we have a valid store
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( pSceStore == NULL ||
|
||
|
|
pSceStore->GetStoreType() < SCE_INF_FORMAT ||
|
||
|
|
pSceStore->GetStoreType() > SCE_JET_ANALYSIS_REQUIRED )
|
||
|
|
{
|
||
|
|
return WBEM_E_INVALID_PARAMETER;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// ask SCE to read a gigantic structure out from the store. Only SCE
|
||
|
|
// knows now to release the memory. Don't just delete it! Use our CSceStore
|
||
|
|
// to do the releasing (FreeSecurityProfileInfo)
|
||
|
|
//
|
||
|
|
|
||
|
|
PSCE_PROFILE_INFO pInfo=NULL;
|
||
|
|
HRESULT hr = pSceStore->GetSecurityProfileInfo(
|
||
|
|
AREA_SECURITY_POLICY,
|
||
|
|
&pInfo,
|
||
|
|
NULL
|
||
|
|
);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr) && pInfo->pKerberosInfo == NULL)
|
||
|
|
{
|
||
|
|
hr = WBEM_E_NOT_FOUND;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// the use of the macro SCE_PROV_IfErrorGotoCleanup cause
|
||
|
|
// a "goto CleanUp;" with hr set to the return value from
|
||
|
|
// the function (macro parameter)
|
||
|
|
//
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
|
||
|
|
CComPtr<IWbemClassObject> srpObj;
|
||
|
|
|
||
|
|
CComBSTR bstrLogOut;
|
||
|
|
LPCWSTR pszExpandedPath = pSceStore->GetExpandedPath();
|
||
|
|
|
||
|
|
if ( ACTIONTYPE_QUERY == atAction )
|
||
|
|
{
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(MakeSingleBackSlashPath(wszLogStorePath, L'\\', &bstrLogOut));
|
||
|
|
pszExpandedPath = bstrLogOut;
|
||
|
|
}
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(SpawnAnInstance(&srpObj));
|
||
|
|
|
||
|
|
//
|
||
|
|
// CScePropertyMgr helps us to access WMI object's properties
|
||
|
|
// create an instance and attach the WMI object to it.
|
||
|
|
// This will always succeed.
|
||
|
|
//
|
||
|
|
|
||
|
|
CScePropertyMgr ScePropMgr;
|
||
|
|
ScePropMgr.Attach(srpObj);
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pStorePath, pszExpandedPath));
|
||
|
|
|
||
|
|
if (pInfo->pKerberosInfo->MaxTicketAge != SCE_NO_VALUE ) {
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pMaxTicketAge, pInfo->pKerberosInfo->MaxTicketAge));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pInfo->pKerberosInfo->MaxRenewAge != SCE_NO_VALUE ) {
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pMaxRenewAge, pInfo->pKerberosInfo->MaxRenewAge));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pInfo->pKerberosInfo->MaxServiceAge != SCE_NO_VALUE ) {
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pMaxServiceAge, pInfo->pKerberosInfo->MaxServiceAge));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pInfo->pKerberosInfo->MaxClockSkew != SCE_NO_VALUE ) {
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pMaxClockSkew, pInfo->pKerberosInfo->MaxClockSkew));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pInfo->pKerberosInfo->TicketValidateClient != SCE_NO_VALUE ) {
|
||
|
|
bool bValue = pInfo->pKerberosInfo->TicketValidateClient ? TRUE : FALSE;
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(ScePropMgr.PutProperty(pEnforceLogonRestrictions, bValue));
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// do the necessary gestures to WMI.
|
||
|
|
// the use of WBEM_STATUS_REQUIREMENTS in SetStatus is not documented by WMI
|
||
|
|
// at this point. Consult WMI team for detail if you suspect problems with
|
||
|
|
// the use of WBEM_STATUS_REQUIREMENTS
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( ACTIONTYPE_QUERY == atAction ) {
|
||
|
|
pHandler->SetStatus(WBEM_STATUS_REQUIREMENTS, S_FALSE, NULL, NULL);
|
||
|
|
} else {
|
||
|
|
pHandler->SetStatus(WBEM_STATUS_REQUIREMENTS, S_OK, NULL, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// pass the new instance to WMI
|
||
|
|
//
|
||
|
|
|
||
|
|
hr = pHandler->Indicate(1, &srpObj);
|
||
|
|
}
|
||
|
|
|
||
|
|
CleanUp:
|
||
|
|
|
||
|
|
pSceStore->FreeSecurityProfileInfo(pInfo);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Name:
|
||
|
|
|
||
|
|
CKerberosPolicy::DeleteInstance
|
||
|
|
|
||
|
|
Functionality:
|
||
|
|
|
||
|
|
remove an instance of Sce_KerberosPolicy from the specified store.
|
||
|
|
|
||
|
|
Virtual:
|
||
|
|
|
||
|
|
No.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
pHandler - COM interface pointer for notifying WMI of any events.
|
||
|
|
|
||
|
|
pSceStore - Pointer to our store. It must have been appropriately set up.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Success: WBEM_NO_ERROR.
|
||
|
|
|
||
|
|
Failure: WBEM_E_INVALID_PARAMETER.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
CKerberosPolicy::DeleteInstance (
|
||
|
|
IN IWbemObjectSink * pHandler,
|
||
|
|
IN CSceStore * pSceStore
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// make sure we are given a valid store
|
||
|
|
//
|
||
|
|
|
||
|
|
if ( pSceStore == NULL ||
|
||
|
|
pSceStore->GetStoreType() < SCE_INF_FORMAT ||
|
||
|
|
pSceStore->GetStoreType() > SCE_JET_ANALYSIS_REQUIRED )
|
||
|
|
{
|
||
|
|
return WBEM_E_INVALID_PARAMETER;
|
||
|
|
}
|
||
|
|
|
||
|
|
pSceStore->DeleteSectionFromStore(szKerberosPolicy);
|
||
|
|
return WBEM_NO_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
Name:
|
||
|
|
|
||
|
|
CKerberosPolicy:SaveSettingsToStore
|
||
|
|
|
||
|
|
Functionality:
|
||
|
|
|
||
|
|
With all the properties of a Sce_KerberosPolicy, this function just saves
|
||
|
|
the instance properties to our store.
|
||
|
|
|
||
|
|
Virtual:
|
||
|
|
|
||
|
|
No.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
pSceStore - store path, a key property of Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
dwTicket - a corresponding key property of Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
dwRenew - another corresponding property of the Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
dwService - another corresponding property of the Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
dwClock - another corresponding property of the Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
dwClient - another corresponding property of the Sce_KerberosPolicy class.
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
Success: it must return success code (use SUCCEEDED to test). It is
|
||
|
|
not guaranteed to return WBEM_NO_ERROR.
|
||
|
|
|
||
|
|
Failure: Various errors may occurs. Any error indicates the failure to save the instance.
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
*/
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
CKerberosPolicy::SaveSettingsToStore (
|
||
|
|
IN CSceStore * pSceStore,
|
||
|
|
IN DWORD dwTicket,
|
||
|
|
IN DWORD dwRenew,
|
||
|
|
IN DWORD dwService,
|
||
|
|
IN DWORD dwClock,
|
||
|
|
IN DWORD dwClient
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_S_NO_ERROR;
|
||
|
|
HRESULT hrTmp;
|
||
|
|
|
||
|
|
DWORD dwDump;
|
||
|
|
|
||
|
|
//
|
||
|
|
// the use of the macro SCE_PROV_IfErrorGotoCleanup cause
|
||
|
|
// a "goto CleanUp;" with hr set to the return value from
|
||
|
|
// the function (macro parameter)
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// For a new .inf file. Write an empty buffer to the file
|
||
|
|
// will creates the file with right header/signature/unicode format
|
||
|
|
// this is harmless for existing files.
|
||
|
|
// For database store, this is a no-op.
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->WriteSecurityProfileInfo(AreaBogus,
|
||
|
|
(PSCE_PROFILE_INFO)&dwDump,
|
||
|
|
NULL,
|
||
|
|
false
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// TicketAge
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->SavePropertyToStore(szKerberosPolicy, KeyTicket, dwTicket));
|
||
|
|
|
||
|
|
//
|
||
|
|
// RenewAge
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->SavePropertyToStore(szKerberosPolicy, KeyRenew, dwRenew));
|
||
|
|
|
||
|
|
//
|
||
|
|
// ServiceAge
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->SavePropertyToStore(szKerberosPolicy, KeyService, dwService));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Clock Skew
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->SavePropertyToStore(szKerberosPolicy, KeyClock, dwClock));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validate client
|
||
|
|
//
|
||
|
|
|
||
|
|
SCE_PROV_IfErrorGotoCleanup(pSceStore->SavePropertyToStore(szKerberosPolicy, KeyClient, dwClient));
|
||
|
|
|
||
|
|
CleanUp:
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|