Leaked source code of windows server 2003
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//*********************************************************************
//* Microsoft Windows **
//* Copyright(c) Microsoft Corp., 1994 **
//*********************************************************************
//
// WALKER.CPP - Functions for walking an HTML input file
//
// HISTORY:
//
// 05/13/98 donaldm Created.
//
//*********************************************************************
#include "pre.h"
#include <urlmon.h>
#include <mshtmdid.h>
#include <mshtml.h>
#include <shlobj.h>
const TCHAR cszEquals[] = TEXT("=");
const TCHAR cszAmpersand[] = TEXT("&");
const TCHAR cszPlus[] = TEXT("+");
const TCHAR cszQuestion[] = TEXT("?");
const TCHAR cszFormNamePAGEID[] = TEXT("PAGEID");
const TCHAR cszFormNameBACK[] = TEXT("BACK");
const TCHAR cszFormNamePAGETYPE[] = TEXT("PAGETYPE");
const TCHAR cszFormNameNEXT[] = TEXT("NEXT");
const TCHAR cszFormNamePAGEFLAG[] = TEXT("PAGEFLAG");
const TCHAR cszPageTypeTERMS[] = TEXT("TERMS");
const TCHAR cszPageTypeCUSTOMFINISH[] = TEXT("CUSTOMFINISH");
const TCHAR cszPageTypeFINISH[] = TEXT("FINISH");
const TCHAR cszPageTypeNORMAL[] = TEXT("");
const TCHAR cszOLSRegEntries[] = TEXT("regEntries");
const TCHAR cszKeyName[] = TEXT("KeyName");
const TCHAR cszEntryName[] = TEXT("EntryName");
const TCHAR cszEntryValue[] = TEXT("EntryValue");
const TCHAR cszOLSDesktopShortcut[] = TEXT("DesktopShortcut");
const TCHAR cszSourceName[] = TEXT("SourceName");
const TCHAR cszTargetName[] = TEXT("TargetName");
#define HARDCODED_IEAK_ISPFILE_ELEMENT_ID TEXT("g_IspFilePath")
// COM interfaces
STDMETHODIMP CWalker::QueryInterface(REFIID riid, LPVOID* ppv)
{
*ppv = NULL;
if (IID_IUnknown == riid || IID_IPropertyNotifySink == riid)
{
*ppv = (LPUNKNOWN)(IPropertyNotifySink*)this;
AddRef();
return NOERROR;
}
else if (IID_IOleClientSite == riid)
{
*ppv = (IOleClientSite*)this;
AddRef();
return NOERROR;
}
else if (IID_IDispatch == riid)
{
*ppv = (IDispatch*)this;
AddRef();
return NOERROR;
}
else
{
return E_NOTIMPL;
}
}
STDMETHODIMP_(ULONG) CWalker::AddRef()
{
return ++m_cRef;
}
STDMETHODIMP_(ULONG) CWalker::Release()
{
if (!(--m_cRef))
{
delete this;
}
return m_cRef;
}
// Fired on change of the value of a 'bindable' property
STDMETHODIMP CWalker::OnChanged(DISPID dispID)
{
HRESULT hr;
if (DISPID_READYSTATE == dispID)
{
// check the value of the readystate property
assert(m_pMSHTML);
VARIANT vResult = {0};
EXCEPINFO excepInfo;
UINT uArgErr;
DISPPARAMS dp = {NULL, NULL, 0, 0};
if (SUCCEEDED(hr = m_pMSHTML->Invoke(DISPID_READYSTATE, IID_NULL, LOCALE_SYSTEM_DEFAULT,
DISPATCH_PROPERTYGET, &dp, &vResult, &excepInfo, &uArgErr)))
{
assert(VT_I4 == V_VT(&vResult));
if (READYSTATE_COMPLETE == (READYSTATE)V_I4(&vResult))
SetEvent(m_hEventTridentDone);
VariantClear(&vResult);
}
}
return NOERROR;
}
// MSHTML Queries for the IDispatch interface of the host through the IOleClientSite
// interface that MSHTML is passed through its implementation of IOleObject::SetClientSite()
STDMETHODIMP CWalker::Invoke(DISPID dispIdMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS __RPC_FAR *pDispParams,
VARIANT __RPC_FAR *pVarResult,
EXCEPINFO __RPC_FAR *pExcepInfo,
UINT __RPC_FAR *puArgErr)
{
if (!pVarResult)
{
return E_POINTER;
}
switch(dispIdMember)
{
case DISPID_AMBIENT_DLCONTROL:
// respond to this ambient to indicate that we only want to
// download the page, but we don't want to run scripts,
// Java applets, or ActiveX controls
V_VT(pVarResult) = VT_I4;
V_I4(pVarResult) = DLCTL_DOWNLOADONLY |
DLCTL_NO_SCRIPTS |
DLCTL_NO_JAVA |
DLCTL_NO_DLACTIVEXCTLS |
DLCTL_NO_RUNACTIVEXCTLS;
break;
default:
return DISP_E_MEMBERNOTFOUND;
}
return NOERROR;
}
// A more traditional form of persistence.
// MSHTML performs this asynchronously as well.
HRESULT CWalker::LoadURLFromFile(BSTR bstrURL)
{
HRESULT hr;
LPPERSISTFILE pPF;
// MSHTML supports file persistence for ordinary files.
if ( SUCCEEDED(hr = m_pMSHTML->QueryInterface(IID_IPersistFile, (LPVOID*) &pPF)))
{
hr = pPF->Load(bstrURL, 0);
pPF->Release();
}
return hr;
}
// Local interfaces
// This function will attached trient to a location FILE: URL, and ensure that it is ready
// to be walked
HRESULT CWalker::InitForMSHTML()
{
HRESULT hr;
LPCONNECTIONPOINTCONTAINER pCPC = NULL;
LPOLEOBJECT pOleObject = NULL;
LPOLECONTROL pOleControl = NULL;
// Create an instance of an dynamic HTML document
if (FAILED(hr = CoCreateInstance( CLSID_HTMLDocument, NULL,
CLSCTX_INPROC_SERVER, IID_IHTMLDocument2,
(LPVOID*)&m_pTrident )))
{
goto Error;
}
if (FAILED(hr = m_pTrident->QueryInterface(IID_IOleObject, (LPVOID*)&pOleObject)))
{
goto Error;
}
hr = pOleObject->SetClientSite((IOleClientSite*)this);
pOleObject->Release();
if (FAILED(hr = m_pTrident->QueryInterface(IID_IOleControl, (LPVOID*)&pOleControl)))
{
goto Error;
}
hr = pOleControl->OnAmbientPropertyChange(DISPID_AMBIENT_DLCONTROL);
pOleControl->Release();
// Hook up sink to catch ready state property change
if (FAILED(hr = m_pTrident->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pCPC)))
{
goto Error;
}
if (FAILED(hr = pCPC->FindConnectionPoint(IID_IPropertyNotifySink, &m_pCP)))
{
goto Error;
}
m_hrConnected = m_pCP->Advise((LPUNKNOWN)(IPropertyNotifySink*)this, &m_dwCookie);
Error:
if (pCPC)
pCPC->Release();
return hr;
}
// Clean up connection point
HRESULT CWalker::TermForMSHTML()
{
HRESULT hr = NOERROR;
// Disconnect from property change notifications
if (SUCCEEDED(m_hrConnected))
{
hr = m_pCP->Unadvise(m_dwCookie);
}
// Release the connection point
if (m_pCP)
m_pCP->Release();
if (m_pTrident)
m_pTrident->Release();
return hr;
}
HRESULT CWalker::ExtractUnHiddenText(BSTR* pbstrText)
{
VARIANT vIndex;
LPDISPATCH pDisp;
IHTMLInputHiddenElement* pHidden;
IHTMLElement* pElement;
BSTR bstrValue;
VARIANT var2 = { 0 };
long lLen = 0;
vIndex.vt = VT_UINT;
bstrValue = SysAllocString(A2W(TEXT("\0")));
Walk();
if (!m_pNextForm)
return E_UNEXPECTED;
m_pNextForm->get_length(&lLen);
for (int i = 0; i < lLen; i++)
{
vIndex.lVal = i;
pDisp = NULL;
if(SUCCEEDED(m_pNextForm->item(vIndex, var2, &pDisp)) && pDisp)
{
pHidden = NULL;
if(SUCCEEDED(pDisp->QueryInterface(IID_IHTMLInputHiddenElement, (LPVOID*)&pHidden)) && pHidden)
{
pHidden->put_value(bstrValue);
pHidden->Release();
}
pDisp->Release();
}
}
if (SUCCEEDED(m_pNextForm->QueryInterface(IID_IHTMLElement, (LPVOID*)&pElement)) && pElement)
pElement->get_innerHTML(pbstrText);
SysFreeString(bstrValue);
return S_OK;
}
HRESULT CWalker::AttachToMSHTML(BSTR bstrURL)
{
HRESULT hr;
// Release any previous instance of the HTML document pointer we might be holding on to
if(m_pMSHTML)
{
m_pMSHTML->Release();
m_pMSHTML = NULL;
}
m_pMSHTML = m_pTrident;
m_pMSHTML->AddRef();
m_hEventTridentDone = CreateEvent(NULL, TRUE, FALSE, NULL);
hr = LoadURLFromFile(bstrURL);
if (SUCCEEDED(hr) || (E_PENDING == hr))
{
if (m_hEventTridentDone)
{
MSG msg;
DWORD dwRetCode;
HANDLE hEventList[1];
hEventList[0] = m_hEventTridentDone;
while (TRUE)
{
// We will wait on window messages and also the named event.
dwRetCode = MsgWaitForMultipleObjects(1,
&hEventList[0],
FALSE,
300000, // 5 minutes
QS_ALLINPUT);
// Determine why we came out of MsgWaitForMultipleObjects(). If
// we timed out then let's do some TrialWatcher work. Otherwise
// process the message that woke us up.
if (WAIT_TIMEOUT == dwRetCode)
{
break;
}
else if (WAIT_OBJECT_0 == dwRetCode)
{
break;
}
else if (WAIT_OBJECT_0 + 1 == dwRetCode)
{
// Process all messages in the Queue, since MsgWaitForMultipleObjects
// will not do this for us
while (TRUE)
{
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (WM_QUIT == msg.message)
{
break;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else
{
break;
}
}
}
}
CloseHandle(m_hEventTridentDone);
m_hEventTridentDone = 0;
}
else
{
// If we were pending, and we could not wait, we got a problem...
if(E_PENDING == hr)
hr = E_FAIL;
}
}
return (hr);
}
HRESULT CWalker::AttachToDocument(IWebBrowser2 *lpWebBrowser)
{
HRESULT hr;
LPDISPATCH pDisp;
// Release any previous instance of the HTML document pointer we might be holding on to
if(m_pMSHTML)
{
// If the m_pMSHMTL is NOT our internal Trident object (for walking files)
// then sombody did not do a detach, so we need to release the previous
// MSHTML object
if (m_pMSHTML != m_pTrident)
m_pMSHTML->Release();
m_pMSHTML = NULL;
}
// Make sure we have a webbrowser to grab onto
ASSERT(lpWebBrowser);
// Get the document pointer from this webbrowser.
if (SUCCEEDED(hr = lpWebBrowser->get_Document(&pDisp)))
{
if (pDisp)
{
hr = pDisp->QueryInterface( IID_IHTMLDocument2, (LPVOID*)&m_pMSHTML );
// Paranoia, but trident/shdocvw might say OK, but really not give us a document
if (!m_pMSHTML)
hr = E_FAIL;
pDisp->Release();
}
else
{
hr = E_FAIL;
}
}
return (hr);
}
HRESULT CWalker::Detach()
{
if (m_pPageIDForm)
{
m_pPageIDForm->Release();
m_pPageIDForm = NULL;
}
if (m_pBackForm)
{
m_pBackForm->Release();
m_pBackForm = NULL;
}
if (m_pPageTypeForm)
{
m_pPageTypeForm->Release();
m_pPageTypeForm = NULL;
}
if (m_pNextForm)
{
m_pNextForm->Release();
m_pNextForm = NULL;
}
if (m_pPageFlagForm)
{
m_pPageFlagForm->Release();
m_pPageFlagForm = NULL;
}
if(m_pMSHTML)
{
// If the m_pMSHMTL is NOT our internal Trident object (for walking files)
// then sombody did not do a detach, so we need to release the previous
// MSHTML object
if (m_pMSHTML != m_pTrident)
m_pMSHTML->Release();
m_pMSHTML = NULL;
}
return S_OK;
}
// Walk the object model.
HRESULT CWalker::Walk()
{
HRESULT hr;
IHTMLElementCollection* pColl = NULL;
assert(m_pMSHTML);
if (!m_pMSHTML)
{
return E_UNEXPECTED;
}
// retrieve a reference to the ALL collection
if (SUCCEEDED(hr = m_pMSHTML->get_all( &pColl )))
{
long cElems;
assert(pColl);
// retrieve the count of elements in the collection
if (SUCCEEDED(hr = pColl->get_length( &cElems )))
{
// for each element retrieve properties such as TAGNAME and HREF
for ( int i=0; i<cElems; i++ )
{
VARIANT vIndex;
vIndex.vt = VT_UINT;
vIndex.lVal = i;
VARIANT var2 = { 0 };
LPDISPATCH pDisp;
if (SUCCEEDED(hr = pColl->item( vIndex, var2, &pDisp )))
{
// Look for <FORM> tags
IHTMLFormElement* pForm = NULL;
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLFormElement, (LPVOID*)&pForm )))
{
BSTR bstrName;
assert(pForm);
// Get the Name
hr = pForm->get_name(&bstrName);
if (SUCCEEDED(hr))
{
LPTSTR lpszName = W2A(bstrName);
// See what kind it is
if (lstrcmpi(lpszName, cszFormNamePAGEID) == 0)
{
m_pPageIDForm = pForm;
m_pPageIDForm->AddRef();
}
else if (lstrcmpi(lpszName, cszFormNameBACK) == 0)
{
m_pBackForm = pForm;
m_pBackForm->AddRef();
}
else if (lstrcmpi(lpszName, cszFormNamePAGETYPE) == 0)
{
m_pPageTypeForm = pForm;
m_pPageTypeForm->AddRef();
}
else if (lstrcmpi(lpszName, cszFormNameNEXT) == 0)
{
m_pNextForm = pForm;
m_pNextForm->AddRef();
}
else if (lstrcmpi(lpszName, cszFormNamePAGEFLAG) == 0)
{
m_pPageFlagForm = pForm;
m_pPageFlagForm->AddRef();
}
SysFreeString(bstrName);
}
pForm->Release();
}
pDisp->Release();
} // item
} // for
} // get_length
pColl->Release();
} // get_all
return hr;
}
HRESULT CWalker::get_IsQuickFinish(BOOL* pbIsQuickFinish)
{
if (!m_pPageTypeForm)
return (E_FAIL);
IHTMLElement* pElement = NULL;
VARIANT varValue;
VariantInit(&varValue);
V_VT(&varValue) = VT_BSTR;
*pbIsQuickFinish = FALSE;
if (SUCCEEDED(m_pPageTypeForm->QueryInterface(IID_IHTMLElement, (void**)&pElement)))
{
if (SUCCEEDED(pElement->getAttribute(A2W(TEXT("QUICKFINISH")), FALSE, &varValue)))
{
if (VT_NULL != varValue.vt)
{
if(lstrcmpi(W2A(varValue.bstrVal), TEXT("TRUE")) == 0)
*pbIsQuickFinish = TRUE;
}
}
pElement->Release();
}
return S_OK;
}
HRESULT CWalker::get_PageType(LPDWORD pdwPageType)
{
BSTR bstr;
HRESULT hr;
if (!m_pPageTypeForm)
return (E_FAIL);
// Get the Action for the PageType Form
hr = m_pPageTypeForm->get_action(&bstr);
if (SUCCEEDED(hr))
{
LPTSTR lpszType = W2A(bstr);
// See what kind it is
if (lstrcmpi(lpszType, cszPageTypeTERMS) == 0)
*pdwPageType = PAGETYPE_ISP_TOS;
else if (lstrcmpi(lpszType, cszPageTypeCUSTOMFINISH) == 0)
*pdwPageType = PAGETYPE_ISP_CUSTOMFINISH;
else if (lstrcmpi(lpszType, cszPageTypeFINISH) == 0)
*pdwPageType = PAGETYPE_ISP_FINISH;
else if (lstrcmpi(lpszType, cszPageTypeNORMAL) == 0)
*pdwPageType = PAGETYPE_ISP_NORMAL;
else
*pdwPageType = PAGETYPE_UNDEFINED;
SysFreeString(bstr);
}
return (hr);
}
HRESULT CWalker::get_PageFlag(LPDWORD pdwPageFlag)
{
BSTR bstr;
HRESULT hr;
*pdwPageFlag = 0;
if (!m_pPageFlagForm)
return (E_FAIL);
// Get the Action for the PageFlag Form
hr = m_pPageFlagForm->get_action(&bstr);
if (SUCCEEDED(hr))
{
LPTSTR lpszType = W2A(bstr);
// See what kind it is
*pdwPageFlag = _ttol(lpszType);
SysFreeString(bstr);
}
return (hr);
}
HRESULT CWalker::get_PageID(BSTR *pbstrPageID)
{
HRESULT hr;
if (!m_pPageIDForm)
return (E_FAIL);
if (!pbstrPageID)
return (E_FAIL);
// Get the Action for the PageType Form
hr = m_pPageIDForm->get_action(pbstrPageID);
return (hr);
}
HRESULT CWalker::getQueryString
(
IHTMLFormElement *pForm,
LPTSTR lpszQuery
)
{
HRESULT hr;
long lFormLength;
if (SUCCEEDED(pForm->get_length(&lFormLength)))
{
for (int i = 0; i < lFormLength; i++)
{
VARIANT vIndex;
vIndex.vt = VT_UINT;
vIndex.lVal = i;
VARIANT var2 = { 0 };
LPDISPATCH pDisp;
if (SUCCEEDED(hr = pForm->item( vIndex, var2, &pDisp )))
{
// See if the Item is a Input button
IHTMLButtonElement* pButton = NULL;
IHTMLInputButtonElement* pInputButton = NULL;
IHTMLInputFileElement* pInputFile = NULL;
IHTMLInputHiddenElement* pInputHidden = NULL;
IHTMLInputTextElement* pInputText = NULL;
IHTMLSelectElement* pSelect = NULL;
IHTMLTextAreaElement* pTextArea = NULL;
IHTMLOptionButtonElement* pOptionButton = NULL;
// First check to see if this is an OptionButton.
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLOptionButtonElement, (LPVOID*)&pOptionButton )))
{
BSTR bstr = NULL;
// See if it is a Radio or a CheckBox
if (SUCCEEDED(pOptionButton->get_type(&bstr)))
{
LPTSTR lpszType = W2A(bstr);
if ((lstrcmpi(lpszType, TEXT("radio")) == 0) || (lstrcmpi(lpszType, TEXT("checkbox")) == 0))
{
short bChecked;
// See if the button is checked. If it is, then it needs to be
// added to the query string
if (SUCCEEDED(pOptionButton->get_checked(&bChecked)))
{
if(bChecked)
{
BSTR bstrName;
BSTR bstrValue;
if ( SUCCEEDED(pOptionButton->get_name(&bstrName)) &&
SUCCEEDED(pOptionButton->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
}
}
}
SysFreeString(bstr);
}
// Release the interface
pOptionButton->Release();
continue;
}
// For the rest we need to form Name=Value pairs
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLButtonElement, (LPVOID*)&pButton )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pButton->get_name(&bstrName)) &&
SUCCEEDED(pButton->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR) * (lstrlen(W2A(bstrValue)) + 1 );
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pButton->Release();
continue;
}
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLInputFileElement, (LPVOID*)&pInputFile )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pInputFile->get_name(&bstrName)) &&
SUCCEEDED(pInputFile->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pInputFile->Release();
continue;
}
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLInputHiddenElement, (LPVOID*)&pInputHidden )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pInputHidden->get_name(&bstrName)) &&
SUCCEEDED(pInputHidden->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pInputHidden->Release();
continue;
}
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLInputTextElement, (LPVOID*)&pInputText )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pInputText->get_name(&bstrName)) &&
SUCCEEDED(pInputText->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pInputText->Release();
continue;
}
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLSelectElement, (LPVOID*)&pSelect )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pSelect->get_name(&bstrName)) &&
SUCCEEDED(pSelect->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pSelect->Release();
continue;
}
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLTextAreaElement, (LPVOID*)&pTextArea )))
{
BSTR bstrName;
BSTR bstrValue;
if (SUCCEEDED(pTextArea->get_name(&bstrName)) &&
SUCCEEDED(pTextArea->get_value(&bstrValue)) )
{
if (bstrValue)
{
size_t size = sizeof(TCHAR)*(lstrlen(W2A(bstrValue)) + 1);
TCHAR* szVal = (TCHAR*)malloc(size * 3);
if (szVal)
{
memcpy(szVal, W2A(bstrValue), size);
URLEncode(szVal, size * 3);
URLAppendQueryPair(lpszQuery, W2A(bstrName), szVal);
// Cleanup
free(szVal);
}
SysFreeString(bstrName);
SysFreeString(bstrValue);
}
}
// Release the interface pointer
pTextArea->Release();
}
pDisp->Release();
}
}
}
// Null out the last Ampersand, since we don't know when we added the last pair, so we got
// a trailing ampersand
lpszQuery[lstrlen(lpszQuery)-1] = '\0';
return S_OK;
}
HRESULT CWalker::get_FirstFormQueryString
(
LPTSTR lpszQuery
)
{
HRESULT hr;
IHTMLElementCollection *pColl = NULL;
BOOL bDone = FALSE;
assert(m_pMSHTML);
if (!m_pMSHTML)
{
return E_UNEXPECTED;
}
// retrieve a reference to the ALL collection
if (SUCCEEDED(hr = m_pMSHTML->get_all( &pColl )))
{
long cElems;
assert(pColl);
// retrieve the count of elements in the collection
if (SUCCEEDED(hr = pColl->get_length( &cElems )))
{
// for each element retrieve properties such as TAGNAME and HREF
for ( int i=0; (i<cElems) && !bDone; i++ )
{
VARIANT vIndex;
vIndex.vt = VT_UINT;
vIndex.lVal = i;
VARIANT var2 = { 0 };
LPDISPATCH pDisp;
if (SUCCEEDED(hr = pColl->item( vIndex, var2, &pDisp )))
{
// Look for <FORM> tags
IHTMLFormElement* pForm = NULL;
if (SUCCEEDED(hr = pDisp->QueryInterface( IID_IHTMLFormElement, (LPVOID*)&pForm )))
{
assert(pForm);
if (SUCCEEDED(getQueryString(pForm, lpszQuery)))
{
hr = ERROR_SUCCESS;
}
else
{
hr = E_FAIL;
}
pForm->Release();
bDone = TRUE;
}
pDisp->Release();
}
}
}
pColl->Release();
}
// If we fall out of the loop, that is bad, so return a failure code
if (!bDone)
hr = E_FAIL;
return (hr);
}
// For the URL for the next page
HRESULT CWalker::get_URL
(
LPTSTR lpszURL,
BOOL bForward
)
{
HRESULT hr = S_OK;
BSTR bstrURL;
TCHAR szQuery[INTERNET_MAX_URL_LENGTH];
IHTMLFormElement * pForm = bForward ? get_pNextForm() : get_pBackForm();
if (!pForm)
return (E_FAIL);
// Get the Action for the Next Form
hr = pForm->get_action(&bstrURL);
if (SUCCEEDED(hr))
{
memset(szQuery, 0, sizeof(szQuery));
lstrcpy(szQuery, cszQuestion);
// Get the Query String
if (SUCCEEDED(getQueryString(pForm, szQuery)))
{
// Catenate the two together into the dest buffer
lstrcpy(lpszURL, W2A(bstrURL));
lstrcat(lpszURL, szQuery);
}
SysFreeString(bstrURL);
}
return hr;
}
HRESULT CWalker::get_IeakIspFile(LPTSTR lpszIspFile)
{
ASSERT(m_pMSHTML);
IHTMLElementCollection* pColl = NULL;
// retrieve a reference to the ALL collection
if (SUCCEEDED(m_pMSHTML->get_all( &pColl )))
{
LPDISPATCH pDisp = NULL;
VARIANT varName;
VARIANT varIdx;
VariantInit(&varName);
V_VT(&varName) = VT_BSTR;
varName.bstrVal = A2W(HARDCODED_IEAK_ISPFILE_ELEMENT_ID);
varIdx.vt = VT_UINT;
varIdx.lVal = 0;
if (SUCCEEDED(pColl->item(varName, varIdx, &pDisp)) && pDisp)
{
IHTMLElement* pElement = NULL;
if (SUCCEEDED(pDisp->QueryInterface(IID_IHTMLElement, (void**)&pElement)))
{
BSTR bstrVal;
if (SUCCEEDED(pElement->get_innerHTML(&bstrVal)))
{
lstrcpy(lpszIspFile, W2A(bstrVal));
SysFreeString(bstrVal);
}
pElement->Release();
}
pDisp->Release();
}
pColl->Release();
}
return S_OK;
}
void CWalker::GetInputValue
(
LPTSTR lpszName,
BSTR *pVal,
UINT index,
IHTMLFormElement *pForm
)
{
VARIANT varName;
VariantInit(&varName);
V_VT(&varName) = VT_BSTR;
varName.bstrVal = A2W(lpszName);
VARIANT varIdx;
varIdx.vt = VT_UINT;
varIdx.lVal = index;
LPDISPATCH pDispElt = NULL;
// Get the IDispatch for the named element, from the collection of elements in the
// passed in form object.
if (SUCCEEDED(pForm->item(varName, varIdx, &pDispElt)) && pDispElt)
{
IHTMLInputElement *pInput = NULL;
// Get the HTMLInputElement interface, so we can get the value associated with
// this element
if (SUCCEEDED(pDispElt->QueryInterface(IID_IHTMLInputElement,(LPVOID*) &pInput)) && pInput)
{
pInput->get_value(pVal);
pInput->Release();
}
pDispElt->Release();
}
}
// Grovel through the OLS HTML and update the registry, and make any desktop shortcuts
HRESULT CWalker::ProcessOLSFile(IWebBrowser2* lpWebBrowser)
{
LPDISPATCH pDisp;
// Get the document pointer from this webbrowser.
if (SUCCEEDED(lpWebBrowser->get_Document(&pDisp)))
{
// Call might succeed but that dosen't guarantee a valid ptr
if(pDisp)
{
IHTMLDocument2* pDoc;
if (SUCCEEDED(pDisp->QueryInterface(IID_IHTMLDocument2, (void**)&pDoc)))
{
IHTMLElementCollection* pColl = NULL;
// retrieve a reference to the ALL collection
if (SUCCEEDED(pDoc->get_all( &pColl )))
{
long cElems;
assert(pColl);
// retrieve the count of elements in the collection
if (SUCCEEDED(pColl->get_length( &cElems )))
{
VARIANT vIndex;
vIndex.vt = VT_UINT;
VARIANT var2 = { 0 };
for ( int i=0; i<cElems; i++ )
{
vIndex.lVal = i;
LPDISPATCH pElementDisp;
if (SUCCEEDED(pColl->item( vIndex, var2, &pElementDisp )))
{
IHTMLFormElement* pForm = NULL;
if (SUCCEEDED(pElementDisp->QueryInterface( IID_IHTMLFormElement, (LPVOID*)&pForm )))
{
BSTR bstrName = NULL;
// Get the name of the form, and see if it is the regEntries form
if (SUCCEEDED(pForm->get_name(&bstrName)))
{
if (lstrcmpi(W2A(bstrName), cszOLSRegEntries) == 0)
{
BSTR bstrAction = NULL;
// The Action value for this form contains the number of
// reg entries we need to process
if (SUCCEEDED(pForm->get_action(&bstrAction)))
{
int iNumEntries = _ttoi(W2A(bstrAction));
for (int x = 0; x < iNumEntries; x++)
{
BSTR bstrKeyName = NULL;
BSTR bstrEntryName = NULL;
BSTR bstrEntryValue = NULL;
HKEY hkey;
HKEY hklm;
// For each entry we need to get the
// following values:
// KeyName, EntryName, EntryValue
GetInputValue((LPTSTR)cszKeyName, &bstrKeyName, x, pForm);
GetInputValue((LPTSTR)cszEntryName, &bstrEntryName, x, pForm);
GetInputValue((LPTSTR)cszEntryValue, &bstrEntryValue, x, pForm);
if (bstrKeyName && bstrEntryName && bstrEntryValue)
{
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
NULL,
0,
KEY_ALL_ACCESS,
&hklm) == ERROR_SUCCESS)
{
DWORD dwDisposition;
if (ERROR_SUCCESS == RegCreateKeyEx(hklm,
W2A(bstrKeyName),
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&hkey,
&dwDisposition))
{
LPTSTR lpszValue = W2A(bstrEntryValue);
RegSetValueEx(hkey,
W2A(bstrEntryName),
0,
REG_SZ,
(LPBYTE) lpszValue,
sizeof(TCHAR)*(lstrlen(lpszValue)+1));
RegCloseKey(hkey);
}
RegCloseKey(hklm);
}
SysFreeString(bstrKeyName);
SysFreeString(bstrEntryName);
SysFreeString(bstrEntryValue);
}
}
SysFreeString(bstrAction);
}
}
else if (lstrcmpi(W2A(bstrName), cszOLSDesktopShortcut) == 0)
{
// Need to create a desktop shortcut
BSTR bstrSourceName = NULL;
BSTR bstrTargetName = NULL;
// For each entry we need to get the
// following values:
// KeyName, EntryName, EntryValue
GetInputValue((LPTSTR)cszSourceName, &bstrSourceName, 0, pForm);
GetInputValue((LPTSTR)cszTargetName, &bstrTargetName, 0, pForm);
if (bstrSourceName && bstrTargetName)
{
TCHAR szLinkPath[MAX_PATH];
TCHAR szDestPath[MAX_PATH];
LPITEMIDLIST lpItemDList = NULL;
IMalloc *pMalloc = NULL;
// Get a reference to the shell allocator
if (SUCCEEDED (SHGetMalloc (&pMalloc)))
{
if (SUCCEEDED(SHGetSpecialFolderLocation( NULL, CSIDL_PROGRAMS, &lpItemDList)))
{
SHGetPathFromIDList(lpItemDList, szLinkPath);
lstrcat(szLinkPath, TEXT("\\"));
lstrcat(szLinkPath, W2A(bstrSourceName));
pMalloc->Free (lpItemDList);
lpItemDList = NULL;
// Form the name where we will copy to
if (SUCCEEDED(SHGetSpecialFolderLocation(NULL, CSIDL_DESKTOP,&lpItemDList)))
{
SHGetPathFromIDList(lpItemDList, szDestPath);
pMalloc->Free (lpItemDList);
lstrcat(szDestPath, TEXT("\\"));
lstrcat(szDestPath, W2A(bstrTargetName));
CopyFile(szLinkPath, szDestPath, FALSE);
}
}
// Release the allocator
pMalloc->Release ();
}
SysFreeString(bstrSourceName);
SysFreeString(bstrTargetName);
}
}
SysFreeString(bstrName);
}
pForm->Release();
}
pElementDisp->Release();
} // item
} // for
} // get_length
pColl->Release();
} // get_all
pDoc->Release();
}
pDisp->Release();
}
}
return S_OK;
}