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528 lines
18 KiB
528 lines
18 KiB
// --------------------------------------------------------------------------
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// Module Name: BadApplicationAPIRequest.cpp
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//
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// Copyright (c) 2000, Microsoft Corporation
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//
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// This file contains a class to implement bad application manager API
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// requests.
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//
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// History: 2000-08-25 vtan created
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// 2000-12-04 vtan moved to separate file
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// --------------------------------------------------------------------------
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#ifdef _X86_
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#include "StandardHeader.h"
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#include "BadApplicationAPIRequest.h"
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#include "StatusCode.h"
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#include "TokenInformation.h"
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::s_pBadApplicationManager
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//
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// Purpose: Single instance of the CBadApplicationManager object.
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//
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// History: 2000-08-26 vtan created
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// --------------------------------------------------------------------------
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CBadApplicationManager* CBadApplicationAPIRequest::s_pBadApplicationManager = NULL;
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::CBadApplicationAPIRequest
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//
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// Arguments: pAPIDispatcher = CAPIDispatcher that calls this object.
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//
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// Returns: <none>
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//
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// Purpose: Constructor for the CBadApplicationAPIRequest class. It just passes the
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// control to the super class.
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//
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// History: 2000-08-25 vtan created
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// --------------------------------------------------------------------------
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CBadApplicationAPIRequest::CBadApplicationAPIRequest (CAPIDispatcher* pAPIDispatcher) :
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CAPIRequest(pAPIDispatcher)
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{
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::CBadApplicationAPIRequest
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//
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// Arguments: pAPIDispatcher = CAPIDispatcher that calls this object.
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// portMessage = CPortMessage to copy construct.
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//
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// Returns: <none>
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//
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// Purpose: Constructor for the CBadApplicationAPIRequest class. It just passes the
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// control to the super class.
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//
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// History: 2000-08-25 vtan created
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// --------------------------------------------------------------------------
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CBadApplicationAPIRequest::CBadApplicationAPIRequest (CAPIDispatcher* pAPIDispatcher, const CPortMessage& portMessage) :
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CAPIRequest(pAPIDispatcher, portMessage)
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{
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::~CBadApplicationAPIRequest
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//
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// Arguments: <none>
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//
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// Returns: <none>
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//
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// Purpose: Destructor for the CBadApplicationAPIRequest class.
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//
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// History: 2000-08-25 vtan created
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// --------------------------------------------------------------------------
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CBadApplicationAPIRequest::~CBadApplicationAPIRequest (void)
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{
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Execute implementation for bad application API requests. This
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// function dispatches requests based on the API request number.
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//
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// History: 2000-08-25 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute (void)
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{
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NTSTATUS status;
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switch (reinterpret_cast<API_BAM*>(&_data)->apiGeneric.ulAPINumber)
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{
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case API_BAM_QUERYRUNNING:
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status = Execute_QueryRunning();
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break;
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case API_BAM_REGISTERRUNNING:
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status = Execute_RegisterRunning();
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break;
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case API_BAM_QUERYUSERPERMISSION:
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status = Execute_QueryUserPermission();
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break;
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case API_BAM_TERMINATERUNNING:
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status = Execute_TerminateRunning();
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break;
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case API_BAM_REQUESTSWITCHUSER:
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status = Execute_RequestSwitchUser();
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break;
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default:
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DISPLAYMSG("Unknown API request in CBadApplicationAPIRequest::Execute");
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status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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TSTATUS(status);
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::StaticInitialize
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Static initializer for the class. It creates the static
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// instance of the CBadApplicationManager which must be a single
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// instance and knows about bad running applications.
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//
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// History: 2000-08-26 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::StaticInitialize (HINSTANCE hInstance)
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{
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NTSTATUS status;
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if (s_pBadApplicationManager == NULL)
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{
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s_pBadApplicationManager = new CBadApplicationManager(hInstance);
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if (s_pBadApplicationManager != NULL)
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{
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status = STATUS_SUCCESS;
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}
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else
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{
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status = STATUS_NO_MEMORY;
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}
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}
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else
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{
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status = STATUS_SUCCESS;
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}
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::StaticTerminate
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Static destructor for the class. This terminates the bad
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// application manager, releases the reference on the object and
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// clears out the static variable. When the thread dies it will
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// clean itself up.
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//
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// History: 2000-08-26 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::StaticTerminate (void)
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{
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if (s_pBadApplicationManager != NULL)
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{
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s_pBadApplicationManager->Terminate();
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s_pBadApplicationManager->Release();
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s_pBadApplicationManager = NULL;
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}
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return(STATUS_SUCCESS);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute_QueryRunning
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Handles API_BAM_QUERYRUNNING. Returns whether or not the
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// requested image path is currently a known (tracked)
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// executable that is running. Let the bad application manager
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// do the work. Exclude checking in the same session.
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//
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// History: 2000-08-26 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute_QueryRunning (void)
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{
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NTSTATUS status;
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HANDLE hProcessClient;
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API_BAM_QUERYRUNNING_IN *pAPIIn;
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API_BAM_QUERYRUNNING_OUT *pAPIOut;
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WCHAR *pszImageName;
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hProcessClient = _pAPIDispatcher->GetClientProcess();
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pAPIIn = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiQueryRunning.in;
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pAPIOut = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiQueryRunning.out;
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status = _AllocAndMapClientString(hProcessClient, pAPIIn->pszImageName, pAPIIn->cchImageName,
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MAX_PATH, &pszImageName);
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if(NT_SUCCESS(status))
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{
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CBadApplication badApplication(pszImageName);
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pAPIOut->fResult = s_pBadApplicationManager->QueryRunning(badApplication, _pAPIDispatcher->GetClientSessionID());
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status = STATUS_SUCCESS;
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_FreeMappedClientString(pszImageName);
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}
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SetDataLength(sizeof(API_BAM));
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute_RegisterRunning
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Handles API_BAM_REGISTERRUNNING. Adds the given image
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// executable to the list of currently running bad applications
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// so that further instances can be excluded.
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//
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// History: 2000-08-26 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute_RegisterRunning (void)
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{
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NTSTATUS status;
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API_BAM_REGISTERRUNNING_IN *pAPIIn;
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API_BAM_REGISTERRUNNING_OUT *pAPIOut;
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WCHAR *pszImageName;
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pAPIIn = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiRegisterRunning.in;
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pAPIOut = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiRegisterRunning.out;
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if ((pAPIIn->bamType > BAM_TYPE_MINIMUM) && (pAPIIn->bamType < BAM_TYPE_MAXIMUM))
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{
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status = _AllocAndMapClientString(_pAPIDispatcher->GetClientProcess(),
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pAPIIn->pszImageName, pAPIIn->cchImageName,
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MAX_PATH, &pszImageName);
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if (NT_SUCCESS(status))
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{
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HANDLE hProcess;
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CBadApplication badApplication(pszImageName);
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hProcess = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION,
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FALSE,
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pAPIIn->dwProcessID);
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if (hProcess != NULL)
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{
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status = s_pBadApplicationManager->RegisterRunning(badApplication, hProcess, pAPIIn->bamType);
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TBOOL(CloseHandle(hProcess));
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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_FreeMappedClientString(pszImageName);
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}
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}
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else
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{
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status = STATUS_INVALID_PARAMETER;
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}
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SetDataLength(sizeof(API_BAM));
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute_QueryUserPermission
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Handles API_BAM_QUERYUSERPERMISSION. Queries the client
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// permission to close down the bad application. Also returns
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// the current user of the bad application.
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//
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// History: 2000-08-31 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute_QueryUserPermission (void)
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{
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NTSTATUS status;
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API_BAM_QUERYUSERPERMISSION_IN *pAPIIn;
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API_BAM_QUERYUSERPERMISSION_OUT *pAPIOut;
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WCHAR* pszImageName;
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pAPIIn = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiQueryUserPermission.in;
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pAPIOut = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiQueryUserPermission.out;
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status = _AllocAndMapClientString(_pAPIDispatcher->GetClientProcess(),
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pAPIIn->pszImageName, pAPIIn->cchImageName,
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MAX_PATH, &pszImageName);
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if(NT_SUCCESS(status))
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{
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HANDLE hProcess;
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CBadApplication badApplication(pszImageName);
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// Query information on the bad application
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// (get back the process handle).
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status = s_pBadApplicationManager->QueryInformation(badApplication, hProcess);
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if (NT_SUCCESS(status))
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{
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HANDLE hToken;
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// Get the client token and impersonate that user.
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status = OpenClientToken(hToken);
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if (NT_SUCCESS(status))
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{
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bool fCanShutdownApplication;
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HANDLE hTokenProcess;
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CTokenInformation tokenInformationClient(hToken);
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fCanShutdownApplication = tokenInformationClient.IsUserAnAdministrator();
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// Get the bad application process token to get
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// information on the user for the process.
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if (OpenProcessToken(hProcess,
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TOKEN_QUERY,
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&hTokenProcess) != FALSE)
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{
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const WCHAR *pszUserDisplayName;
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CTokenInformation tokenInformationProcess(hTokenProcess);
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pszUserDisplayName = tokenInformationProcess.GetUserDisplayName();
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if (pszUserDisplayName != NULL)
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{
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int iCharsToWrite;
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SIZE_T dwNumberOfBytesWritten;
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// Return the information back to the client.
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pAPIOut->fCanShutdownApplication = fCanShutdownApplication;
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iCharsToWrite = lstrlen(pszUserDisplayName) + sizeof('\0');
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if (iCharsToWrite > pAPIIn->cchUser)
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{
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iCharsToWrite = pAPIIn->cchUser;
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}
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if (WriteProcessMemory(_pAPIDispatcher->GetClientProcess(),
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pAPIIn->pszUser,
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const_cast<WCHAR*>(pszUserDisplayName),
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iCharsToWrite * sizeof(WCHAR),
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&dwNumberOfBytesWritten) != FALSE)
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{
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status = STATUS_SUCCESS;
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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TBOOL(CloseHandle(hTokenProcess));
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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TBOOL(CloseHandle(hToken));
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}
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else
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{
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status = CStatusCode::StatusCodeOfLastError();
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}
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TBOOL(CloseHandle(hProcess));
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}
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_FreeMappedClientString(pszImageName);
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}
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SetDataLength(sizeof(API_BAM));
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute_QueryUserPermission
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Handles API_BAM_TERMINATERUNNING. Terminates the given running
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// bad application so a different instance on a different
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// window station can start it.
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//
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// History: 2000-08-31 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute_TerminateRunning (void)
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{
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NTSTATUS status;
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API_BAM_TERMINATERUNNING_IN *pAPIIn;
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API_BAM_TERMINATERUNNING_OUT *pAPIOut;
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WCHAR *pszImageName;
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pAPIIn = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiTerminateRunning.in;
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pAPIOut = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiTerminateRunning.out;
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status = _AllocAndMapClientString(_pAPIDispatcher->GetClientProcess(),
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pAPIIn->pszImageName, pAPIIn->cchImageName,
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MAX_PATH, &pszImageName);
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if(NT_SUCCESS(status))
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{
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HANDLE hToken;
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// Get the client token and for membership of the local administrators
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// group. DO NOT IMPERSONATE THE CLIENT. This will almost certainly
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// guarantee that the process cannot be terminated.
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status = OpenClientToken(hToken);
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if (NT_SUCCESS(status))
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{
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CTokenInformation tokenInformationClient(hToken);
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if (tokenInformationClient.IsUserAnAdministrator())
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{
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HANDLE hProcess;
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CBadApplication badApplication(pszImageName);
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// Query information on the bad application
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// (get back the process handle).
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status = s_pBadApplicationManager->QueryInformation(badApplication, hProcess);
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if (NT_SUCCESS(status))
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{
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do
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{
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status = CBadApplicationManager::PerformTermination(hProcess, true);
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TBOOL(CloseHandle(hProcess));
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} while (NT_SUCCESS(status) &&
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NT_SUCCESS(s_pBadApplicationManager->QueryInformation(badApplication, hProcess)));
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}
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// If the information could not be found then it's
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// probably not running. This indicates success.
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else
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{
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status = STATUS_SUCCESS;
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}
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}
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else
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{
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status = STATUS_ACCESS_DENIED;
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}
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TBOOL(CloseHandle(hToken));
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}
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_FreeMappedClientString(pszImageName);
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}
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pAPIOut->fResult = NT_SUCCESS(status);
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SetDataLength(sizeof(API_BAM));
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return(status);
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}
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// --------------------------------------------------------------------------
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// CBadApplicationAPIRequest::Execute_RequestSwitchUser
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//
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// Arguments: <none>
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//
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// Returns: NTSTATUS
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//
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// Purpose: Handles API_BAM_REQUESTSWITCHUSER. Request from
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// winlogon/msgina to switch a user. Terminate all bad
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// applications related to disconnect. Reject the disconnect if
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// it fails.
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//
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// History: 2000-11-02 vtan created
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// --------------------------------------------------------------------------
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NTSTATUS CBadApplicationAPIRequest::Execute_RequestSwitchUser (void)
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{
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API_BAM_REQUESTSWITCHUSER_OUT *pAPIOut;
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pAPIOut = &reinterpret_cast<API_BAM*>(&_data)->apiSpecific.apiRequestSwitchUser.out;
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pAPIOut->fAllowSwitch = NT_SUCCESS(s_pBadApplicationManager->RequestSwitchUser());
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SetDataLength(sizeof(API_BAM));
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return(STATUS_SUCCESS);
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}
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#endif /* _X86_ */
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