Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1998 - 1998
//
// File: ipeditor.cpp
//
//--------------------------------------------------------------------------
// ipeditor.cpp : implementation file
//
#include "preDNSsn.h"
#include <SnapBase.h>
#include "dnsutil.h"
#include "dnssnap.h"
#include "snapdata.h"
#include "server.h"
#include "ipeditor.h"
#ifdef DEBUG_ALLOCATOR
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#endif
/////////////////////////////////////////////////////////////////////////////
// CIPListBox
BEGIN_MESSAGE_MAP(CIPListBox, CListBox)
//{{AFX_MSG_MAP(CIPListBox)
ON_CONTROL_REFLECT(LBN_SELCHANGE, OnSelChange)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BOOL CIPListBox::OnAdd(DWORD dwIpAddr)
{
if (FindIndexOfIpAddr(dwIpAddr) != -1)
return FALSE;
int nCount = GetCount();
CString szIpAddr;
FormatIpAddress(szIpAddr, dwIpAddr);
InsertString(nCount, szIpAddr);
SetItemData(nCount,dwIpAddr);
return TRUE;
}
BOOL CIPListBox::OnAddEx(DWORD dwIpAddr, LPCTSTR lpszServerName)
{
if (FindIndexOfIpAddr(dwIpAddr) != -1)
return FALSE;
int nCount = GetCount();
USES_CONVERSION;
CString s;
s.Format(_T("%d.%d.%d.%d (%s)"),
IP_STRING_FMT_ARGS(dwIpAddr),
(lpszServerName != NULL) ? lpszServerName : _T("?"));
InsertString(nCount, s);
SetItemData(nCount,dwIpAddr);
return TRUE;
}
void CIPListBox::OnRemove(DWORD* pdwIpAddr)
{
int nSel = GetCurSel();
int nCount = GetCount();
ASSERT(nSel >= 0);
ASSERT(nSel < nCount);
// get item data to return and remove item
*pdwIpAddr = static_cast<DWORD>(GetItemData(nSel));
DeleteString(nSel);
// reset the selection
if (nSel == nCount-1) // deleted the last position in the list
SetCurSel(nSel-1); // move up one line (might get to -1)
else
SetCurSel(nSel); // stay on the same line
}
void CIPListBox::OnUp()
{
int nSel = GetCurSel();
ASSERT(nSel > 0);
ASSERT(nSel < GetCount());
// save selection
CString s;
GetText(nSel,s);
DWORD x = static_cast<DWORD>(GetItemData(nSel));
// delete selection
DeleteString(nSel);
// insert back
InsertString(nSel-1,s);
SetItemData(nSel-1,x);
SetCurSel(nSel-1);
}
void CIPListBox::OnDown()
{
int nSel = GetCurSel();
ASSERT(nSel >= 0);
ASSERT(nSel < GetCount()-1);
// save selection
CString s;
GetText(nSel,s);
DWORD x = static_cast<DWORD>(GetItemData(nSel));
// delete selection
DeleteString(nSel);
// insert back
InsertString(nSel+1,s);
SetItemData(nSel+1,x);
SetCurSel(nSel+1);
}
void CIPListBox::OnSelChange()
{
m_pEditor->OnListBoxSelChange();
}
void CIPListBox::UpdateHorizontalExtent()
{
int nHorzExtent = 0;
CClientDC dc(this);
int nItems = GetCount();
for (int i=0; i < nItems; i++)
{
TEXTMETRIC tm;
VERIFY(dc.GetTextMetrics(&tm));
CString szBuffer;
GetText(i, szBuffer);
CSize ext = dc.GetTextExtent(szBuffer,szBuffer.GetLength());
nHorzExtent = max(ext.cx ,nHorzExtent);
}
SetHorizontalExtent(nHorzExtent);
}
int CIPListBox::FindIndexOfIpAddr(DWORD dwIpAddr)
{
int nItems = GetCount();
for (int i=0; i < nItems; i++)
{
DWORD x = static_cast<DWORD>(GetItemData(i));
if (x == dwIpAddr)
return i;
}
return -1; // not found
}
/////////////////////////////////////////////////////////////////////////////
// CIPEdit
BEGIN_MESSAGE_MAP(CIPEdit, CDNSIPv4Control)
//{{AFX_MSG_MAP(CIPEdit)
ON_CONTROL_REFLECT(EN_CHANGE, OnChange)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
void CIPEdit::OnChange()
{
m_pEditor->OnEditChange();
}
/////////////////////////////////////////////////////////////////////////////
// CMyButton
BEGIN_MESSAGE_MAP(CMyButton, CButton)
//{{AFX_MSG_MAP(CMyButton)
ON_CONTROL_REFLECT(BN_CLICKED, OnClicked)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
void CMyButton::OnClicked()
{
m_pEditor->OnButtonClicked(this);
}
/////////////////////////////////////////////////////////////////////////////
// CIPEditor
BOOL CIPEditor::Initialize(CWnd* pParentWnd,
CWnd* pControlWnd,
UINT nIDBtnUp, UINT nIDBtnDown,
UINT nIDBtnAdd, UINT nIDBtnRemove,
UINT nIDIPCtrl, UINT nIDIPListBox)
{
ASSERT(pParentWnd != NULL);
if (pParentWnd == NULL)
return FALSE;
m_pParentWnd = pParentWnd;
if (pControlWnd == NULL)
{
m_pControlWnd = pParentWnd;
}
else
{
m_pControlWnd = pControlWnd;
}
// set back pointers
m_upButton.SetEditor(this);
m_removeButton.SetEditor(this);
m_downButton.SetEditor(this);
m_addButton.SetEditor(this);
m_edit.SetEditor(this);
m_listBox.SetEditor(this);
// sublclass buttons
BOOL bRes = m_upButton.SubclassDlgItem(nIDBtnUp, m_pParentWnd);
ASSERT(bRes);
if (!bRes) return FALSE;
bRes = m_removeButton.SubclassDlgItem(nIDBtnRemove, m_pParentWnd);
ASSERT(bRes);
if (!bRes) return FALSE;
bRes = m_downButton.SubclassDlgItem(nIDBtnDown, m_pParentWnd);
ASSERT(bRes);
if (!bRes) return FALSE;
bRes = m_addButton.SubclassDlgItem(nIDBtnAdd, m_pParentWnd);
// subclass listbox
ASSERT(bRes);
if (!bRes) return FALSE;
bRes = m_listBox.SubclassDlgItem(nIDIPListBox, m_pParentWnd);
// sublclass edit control
bRes = m_edit.SubclassDlgItem(nIDIPCtrl, m_pParentWnd);
ASSERT(bRes);
if (!bRes) return FALSE;
//m_edit.SetAlertFunction(CDNSMaskCtrl::AlertFunc);
if (m_bNoUpDown)
{
m_upButton.ShowWindow(FALSE);
m_upButton.EnableWindow(FALSE);
m_downButton.ShowWindow(FALSE);
m_downButton.EnableWindow(FALSE);
}
LRESULT lDefID = SendMessage(m_addButton.GetParent()->GetSafeHwnd(), DM_GETDEFID, 0, 0);
if (lDefID != 0)
{
m_nDefID = LOWORD(lDefID);
}
return bRes;
}
BOOL CIPEditor::OnButtonClicked(CMyButton* pButton)
{
BOOL bRet = TRUE;
if (pButton == &m_upButton)
{
if (m_bNoUpDown)
{
return TRUE;
}
m_listBox.OnUp();
SetButtonsState();
OnChangeData();
}
else if (pButton == &m_downButton)
{
if (m_bNoUpDown)
{
return TRUE;
}
m_listBox.OnDown();
SetButtonsState();
OnChangeData();
}
else if (pButton == &m_addButton)
{
DWORD dwIpAddr;
m_edit.GetIPv4Val(&dwIpAddr);
if (m_listBox.OnAdd(dwIpAddr))
{
SetButtonsState();
m_edit.Clear();
m_edit.SetFocusField(0);
OnChangeData();
m_listBox.UpdateHorizontalExtent();
}
else
{
// if already there, cleard edit but do not add
m_edit.Clear();
m_edit.SetFocusField(0);
bRet = FALSE;
}
}
else if (pButton == &m_removeButton)
{
DWORD dwIpAddr;
m_listBox.OnRemove(&dwIpAddr);
SetButtonsState();
m_edit.SetIPv4Val(dwIpAddr);
OnChangeData();
m_listBox.UpdateHorizontalExtent();
}
else
{
bRet = FALSE;
}
return bRet;
}
void CIPEditor::OnEditChange()
{
BOOL bEnable = !m_edit.IsEmpty();
CWnd* pFocus = CWnd::GetFocus();
if ( !bEnable && (pFocus == &m_addButton))
{
m_edit.SetFocus();
}
if (bEnable)
{
m_addButton.EnableWindow(TRUE);
//
// Set the add button as the default push button
//
SendMessage(GetParentWnd()->GetSafeHwnd(), DM_SETDEFID, (WPARAM)m_addButton.GetDlgCtrlID(), 0);
//
// Force the Add button to redraw itself
//
SendMessage(m_addButton.GetSafeHwnd(),
BM_SETSTYLE,
BS_DEFPUSHBUTTON,
MAKELPARAM(TRUE, 0));
//
// Force the previous default button to redraw itself
//
SendDlgItemMessage(m_pControlWnd->GetSafeHwnd(),
m_nDefID,
BM_SETSTYLE,
BS_PUSHBUTTON,
MAKELPARAM(TRUE, 0));
}
else
{
//
// Set the previous default button back as the default push button
//
SendMessage(m_pControlWnd->GetSafeHwnd(), DM_SETDEFID, (WPARAM)m_nDefID, 0);
//
// Force the previous default button to redraw itself
//
SendMessage(GetDlgItem(m_pControlWnd->GetSafeHwnd(), m_nDefID),
BM_SETSTYLE,
BS_DEFPUSHBUTTON,
MAKELPARAM(TRUE, 0));
//
// Force the Add button to redraw itself
//
SendMessage(m_addButton.GetSafeHwnd(),
BM_SETSTYLE,
BS_PUSHBUTTON,
MAKELPARAM(TRUE, 0));
m_addButton.EnableWindow(FALSE);
}
}
void CIPEditor::AddAddresses(DWORD* pArr, int nArraySize)
{
ASSERT(nArraySize > 0);
for (int i=0; i<nArraySize; i++)
{
m_listBox.OnAdd(pArr[i]);
}
m_listBox.SetCurSel((m_listBox.GetCount() > 0) ? 0 : -1);
SetButtonsState();
OnChangeData();
m_listBox.UpdateHorizontalExtent();
}
void CIPEditor::AddAddresses(DWORD* pArr, LPCTSTR* pStringArr, int nArraySize)
{
ASSERT(nArraySize > 0);
for (int i=0; i<nArraySize; i++)
{
m_listBox.OnAddEx(pArr[i], pStringArr[i]);
}
m_listBox.SetCurSel((m_listBox.GetCount() > 0) ? 0 : -1);
SetButtonsState();
OnChangeData();
m_listBox.UpdateHorizontalExtent();
}
void CIPEditor::GetAddresses(DWORD* pArr, int nArraySize, int* pFilled)
{
ASSERT(nArraySize > 0);
int nCount = m_listBox.GetCount();
ASSERT(nCount <= nArraySize);
*pFilled = (nArraySize > nCount) ? nCount : nArraySize;
for (int i=0; i < (*pFilled); i++)
{
pArr[i] = static_cast<DWORD>(m_listBox.GetItemData(i));
}
}
void CIPEditor::Clear()
{
m_listBox.ResetContent();
m_edit.Clear();
SetButtonsState();
m_listBox.UpdateHorizontalExtent();
}
BOOL CIPEditor::BrowseFromDNSNamespace(CComponentDataObject* pComponentDataObject,
CPropertyPageHolderBase* pHolder,
BOOL bEnableBrowseEdit,
LPCTSTR lpszExcludeServerName)
{
BOOL bRet = TRUE;
AFX_MANAGE_STATE(AfxGetStaticModuleState());
FIX_THREAD_STATE_MFC_BUG();
CDNSBrowserDlg dlg(pComponentDataObject, pHolder, SERVER,
bEnableBrowseEdit, lpszExcludeServerName);
if (IDOK == dlg.DoModal())
{
//
// First check to see if we can get the server IP address(es) from the node.
//
CDNSServerNode* pServerNode = dynamic_cast<CDNSServerNode*>(dlg.GetSelection());
if (pServerNode != NULL)
{
DWORD dwCount = 0;
PIP_ADDRESS pipServerAddresses = NULL;
pServerNode->GetServerAddressesInfo(&dwCount, &pipServerAddresses);
if (dwCount > 0 && pipServerAddresses != NULL)
{
AddAddresses(pipServerAddresses, dwCount);
return TRUE;
}
}
//
// If we didn't get the IP address(es) from the node, then try the name
//
LPCTSTR lpszServerName = dlg.GetSelectionString();
//
// try to see if the name is already an IP address
//
IP_ADDRESS ipAddr = IPStringToAddr(lpszServerName);
if (ipAddr != INADDR_NONE)
{
AddAddresses(&ipAddr, 1);
return bRet; // it was a valid IP address, just converted
}
//
// it was not an IP address, so try to query for all
// the A records for the server name
//
PDNS_RECORD pARecordList;
DNS_STATUS dwErr = ::DnsQuery((LPTSTR)lpszServerName,
DNS_TYPE_A,
DNS_QUERY_STANDARD,
NULL, &pARecordList, NULL);
int nIPCountFromARec = 0;
PDNS_RECORD pTemp = NULL;
if (dwErr != 0)
{
bRet = FALSE;
}
else
{
pTemp = pARecordList;
while (pTemp != NULL)
{
nIPCountFromARec++;
pTemp = pTemp->pNext;
}
bRet = (nIPCountFromARec > 0);
}
if (!bRet)
{
if (pARecordList != NULL)
::DnsRecordListFree(pARecordList, DnsFreeRecordListDeep);
return FALSE; // could not do resolution
}
// get the IP addresses from the A record list
// and add them to the IP editor.
// build an array of IP addresses to pass to the IP editor
IP_ADDRESS* ipArray = (IP_ADDRESS*)malloc(nIPCountFromARec*sizeof(IP_ADDRESS));
if (!ipArray)
{
return FALSE;
}
//scan the array of lists of A records we just found
PIP_ADDRESS pCurrAddr = ipArray;
pTemp = pARecordList;
while (pTemp != NULL)
{
CString szTemp;
FormatIpAddress(szTemp, pTemp->Data.A.IpAddress);
TRACE(_T("found address = %s\n"), (LPCTSTR)szTemp);
*pCurrAddr = pTemp->Data.A.IpAddress;
pTemp = pTemp->pNext;
pCurrAddr++;
}
// fill in the array if server names (all the same value, IP's of same host)
LPCTSTR* lpszServerNameArr = (LPCTSTR*)malloc(sizeof(LPCTSTR)*nIPCountFromARec);
if (lpszServerNameArr)
{
for (int i=0; i< nIPCountFromARec; i++)
lpszServerNameArr[i] = lpszServerName;
// add to the editor
AddAddresses(ipArray, lpszServerNameArr, nIPCountFromARec);
}
ASSERT(pARecordList != NULL);
::DnsRecordListFree(pARecordList, DnsFreeRecordListDeep);
if (ipArray)
{
free(ipArray);
ipArray = 0;
}
if (lpszServerNameArr)
{
free(lpszServerNameArr);
lpszServerNameArr = 0;
}
}
return bRet;
}
void CIPEditor::FindNames()
{
int nCount = GetCount();
if (nCount == 0)
return;
// retrieve an array of IP addresses
DWORD* pIpArr = (DWORD*)malloc(sizeof(DWORD)*nCount);
if (!pIpArr)
{
return;
}
LPCTSTR* lpszServerNameArr = 0;
PDNS_RECORD* pPTRRecordListArr = 0;
do // false loop
{
int nFilled;
GetAddresses(pIpArr, nCount, &nFilled);
ASSERT(nFilled == nCount);
// try IP to host name resoulution
lpszServerNameArr = (LPCTSTR*)malloc(sizeof(LPCTSTR)*nCount);
if (!lpszServerNameArr)
{
break;
}
memset(lpszServerNameArr, 0x0, sizeof(LPCTSTR)*nCount);
pPTRRecordListArr = (PDNS_RECORD*)malloc(sizeof(PDNS_RECORD)*nCount);
if (!pPTRRecordListArr)
{
break;
}
memset(pPTRRecordListArr, 0x0, sizeof(PDNS_RECORD)*nCount);
USES_CONVERSION;
for (int k=0; k<nCount; k++)
{
// get the name of the PTR record
CString szIpAddress;
FormatIpAddress(szIpAddress, pIpArr[k]); // e.g. "157.55.89.116"
ReverseIPString(szIpAddress.GetBuffer(1)); // e.g. "116.89.55.157"
szIpAddress += INADDR_ARPA_SUFFIX; // e.g. "116.89.55.157.in-addr.arpa"
DNS_STATUS dwErr = ::DnsQuery((LPTSTR)(LPCTSTR)szIpAddress,
DNS_TYPE_PTR,
DNS_QUERY_STANDARD,
NULL, &pPTRRecordListArr[k], NULL);
if (dwErr == 0)
{
DWORD nPTRCount = 0;
PDNS_RECORD pTemp = pPTRRecordListArr[k];
while (pTemp != NULL)
{
nPTRCount++;
pTemp = pTemp->pNext;
}
ASSERT(nPTRCount >= 1); // getting multiple host names for a given IP address?
lpszServerNameArr[k] = pPTRRecordListArr[k]->Data.PTR.pNameHost;
}
}
// remove the old entries and add the new ones
int nSel = m_listBox.GetCurSel();
Clear();
AddAddresses(pIpArr, lpszServerNameArr, nCount);
m_listBox.SetCurSel(nSel);
// free memory from DnsQuery()
for (k=0; k<nCount; k++)
{
if(pPTRRecordListArr[k] != NULL)
::DnsRecordListFree(pPTRRecordListArr[k], DnsFreeRecordListDeep);
}
} while (false);
if (pIpArr)
{
free(pIpArr);
pIpArr = 0;
}
if (lpszServerNameArr)
{
free(lpszServerNameArr);
lpszServerNameArr = 0;
}
if (pPTRRecordListArr)
{
free(pPTRRecordListArr);
pPTRRecordListArr = 0;
}
}
void CIPEditor::EnableUI(BOOL bEnable, BOOL bListBoxAlwaysEnabled)
{
// cache the value, needed on listbox selections notifications
m_bUIEnabled = bEnable;
m_upButton.EnableWindow(bEnable);
m_removeButton.EnableWindow(bEnable);
m_downButton.EnableWindow(bEnable);
if (bEnable)
m_addButton.EnableWindow(!m_edit.IsEmpty());
else
m_addButton.EnableWindow(FALSE);
m_edit.EnableWindow(bEnable);
if (!bListBoxAlwaysEnabled)
m_listBox.EnableWindow(bEnable);
if (bEnable)
SetButtonsState();
}
void CIPEditor::ShowUI(BOOL bShow)
{
m_upButton.ShowWindow(bShow);
m_removeButton.ShowWindow(bShow);
m_downButton.ShowWindow(bShow);
m_addButton.ShowWindow(bShow);
m_edit.ShowWindow(bShow);
m_listBox.ShowWindow(bShow);
EnableUI(bShow);
}
void CIPEditor::SetButtonsState()
{
if (!m_bUIEnabled)
return;
int nSel = m_listBox.GetCurSel();
int nCount = m_listBox.GetCount();
CWnd* pFocus = CWnd::GetFocus();
// must have item selected to remove
BOOL bEnable = nSel != -1;
if (!bEnable && (pFocus == &m_removeButton))
{
m_edit.SetFocus();
}
m_removeButton.EnableWindow(bEnable);
if (m_bNoUpDown)
return;
// must have item selected not at the to to move it up
bEnable = nSel > 0;
if (!bEnable && (pFocus == &m_upButton))
{
m_edit.SetFocus();
}
m_upButton.EnableWindow(bEnable);
// must have intem selected not at the bottom to move it down
bEnable = (nSel >= 0) && (nSel < nCount-1);
if (!bEnable && (pFocus == &m_downButton))
{
m_edit.SetFocus();
}
m_downButton.EnableWindow(bEnable);
}