windows-nt/Source/XPSP1/NT/net/config/shell/commconn/commconp.cpp

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2020-09-26 03:20:57 -05:00
#include "pch.h"
#pragma hdrstop
#include "ncnetcon.h"
#include "conprops.h"
#include "commconn.h" // Standard shell\commconn includes
#include "commconp.h" // Private shell\commconn includes
#include "resource.h"
#include "ncperms.h"
typedef struct
{
NETCON_MEDIATYPE nct;
NETCON_CHOOSETYPE ncct;
UINT nIDI;
INT nIDI_Idx;
} ConnTypeChooserMap;
static ConnTypeChooserMap ConnTypeMap[] = {
{NCM_DIRECT, NCCHT_DIRECT_CONNECT, IDI_DB_GEN_S_16, 0},
{NCM_LAN, NCCHT_LAN, IDI_LB_GEN_S_16, 0},
{NCM_PHONE, NCCHT_PHONE, IDI_PB_GEN_S_16, 0},
{NCM_ISDN, NCCHT_ISDN, IDI_PB_GEN_S_16, 0},
{NCM_TUNNEL, NCCHT_TUNNEL, IDI_TB_GEN_S_16, 0}};
CChooseConnectionData::CChooseConnectionData(INetConnection * pConn)
{
Assert(pConn);
m_pConn = pConn;
AddRefObj(m_pConn);
m_Nct = NCM_LAN;
m_Ncs = NCS_DISCONNECTED;
m_dwChar = 0;
}
HRESULT CChooseConnectionData::HrCreate(INetConnection * pNetCon,
CChooseConnectionData **ppData)
{
HRESULT hr = E_OUTOFMEMORY;
CChooseConnectionData * pData = NULL;
NETCON_PROPERTIES * pProps = NULL;
pData = new CChooseConnectionData(pNetCon);
if (NULL == pData)
goto Error;
hr = pNetCon->GetProperties(&pProps);
if (FAILED(hr))
goto Error;
Assert(NULL != pProps->pszwName);
pData->SetName(pProps->pszwName);
pData->SetCharacteristics(pProps->dwCharacter);
pData->SetType(pProps->MediaType);
pData->SetStatus(pProps->Status);
Error:
if (FAILED(hr))
{
delete pData;
}
else
{
Assert(NULL != pData);
*ppData = pData;
}
FreeNetconProperties(pProps);
TraceError("CChooseConnectionData::HrCreate",hr);
return hr;
}
CChooseConnectionData::~CChooseConnectionData()
{
ReleaseObj(m_pConn);
}
CChooseConnectionDlg::CChooseConnectionDlg(NETCON_CHOOSECONN * pChooseConn,
CConnectionCommonUi * pConnUi,
INetConnection** ppConn)
{
Assert(pChooseConn);
Assert(pConnUi);
m_pChooseConn = pChooseConn;
m_pConnUi = pConnUi;
m_ppConn = ppConn; // The optional out parameter
if (NULL != m_ppConn)
{
*m_ppConn = NULL;
}
m_hWnd = NULL;
}
CChooseConnectionDlg::~CChooseConnectionDlg()
{
m_pChooseConn = NULL;
m_pConnUi = NULL;
}
HRESULT CChooseConnectionDlg::HrLoadImageList(HIMAGELIST * pIL)
{
UINT nIdx;
HRESULT hr = E_OUTOFMEMORY;
HIMAGELIST hIL = ImageList_Create(16, 16, TRUE, 6, 1);
if (NULL == hIL)
goto Error;
for (nIdx=0; nIdx<celems(ConnTypeMap); nIdx++)
{
HICON hIcon = LoadIcon(_Module.GetResourceInstance(),
MAKEINTRESOURCE(ConnTypeMap[nIdx].nIDI));
Assert(NULL != hIcon);
ConnTypeMap[nIdx].nIDI_Idx = ImageList_AddIcon(hIL, hIcon);
if (-1 == ConnTypeMap[nIdx].nIDI_Idx)
goto Error;
}
*pIL = hIL;
hr = S_OK;
Error:
TraceError("CChooseConnectionDlg::HrLoadImageList",hr);
return hr;
}
VOID CChooseConnectionDlg::ReleaseData()
{
if (NULL != m_hWnd)
{
HWND hwndCMB = GetDlgItem(m_hWnd, CMB_CHOOSER_LIST);
LONG lCnt = SendMessage(hwndCMB, CB_GETCOUNT, 0, 0);
for (;lCnt>0;)
{
CChooseConnectionData * pData = GetData(--lCnt);
delete pData;
}
SendMessage(hwndCMB, CB_RESETCONTENT, 0, 0);
}
}
BOOL CChooseConnectionDlg::IsConnTypeInMask(NETCON_MEDIATYPE nct)
{
BOOL fFound = FALSE;
for (UINT nIdx=0; nIdx<celems(ConnTypeMap); nIdx++)
{
if ((ConnTypeMap[nIdx].nct == nct) &&
(ConnTypeMap[nIdx].ncct & m_pChooseConn->dwTypeMask))
{
fFound = TRUE;
break;
}
}
return fFound;
}
INT CChooseConnectionDlg::ConnTypeToImageIdx(NETCON_MEDIATYPE nct)
{
UINT nIdx;
for (nIdx=0; nIdx<celems(ConnTypeMap); nIdx++)
if (ConnTypeMap[nIdx].nct == nct)
break;
Assert(nIdx < celems(ConnTypeMap));;
return ConnTypeMap[nIdx].nIDI_Idx;
}
LONG CChooseConnectionDlg::FillChooserCombo()
{
HRESULT hr;
LONG lCnt = 0;
COMBOBOXEXITEM CBItem = {0};
HWND hwndCMB = GetDlgItem(m_hWnd, CMB_CHOOSER_LIST);
// Free anything currently in the combo box
ReleaseData();
// Query new data for the combo box
Assert(NULL != m_pConnUi->PConMan());
INetConnection * pNetCon;
CIterNetCon ncIter(m_pConnUi->PConMan(), NCME_DEFAULT);
hr = S_OK;
while (SUCCEEDED(hr) &&
S_OK == (hr = ncIter.HrNext(&pNetCon)))
{
NETCON_PROPERTIES* pProps;
hr = pNetCon->GetProperties(&pProps);
if (SUCCEEDED(hr))
{
if (IsConnTypeInMask(pProps->MediaType))
{
CChooseConnectionData * pData = NULL;
hr = CChooseConnectionData::HrCreate(pNetCon, &pData);
if (SUCCEEDED(hr))
{
pData->SetCharacteristics(pProps->dwCharacter);
pData->SetType(pProps->MediaType);
pData->SetStatus(pProps->Status);
CBItem.mask = CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_LPARAM | CBEIF_TEXT;
CBItem.iItem = -1;
CBItem.pszText = const_cast<PWSTR>(pData->SzName());
CBItem.cchTextMax = lstrlenW(pData->SzName());
CBItem.iImage = ConnTypeToImageIdx(pProps->MediaType);
CBItem.iSelectedImage = CBItem.iImage;
CBItem.lParam = reinterpret_cast<LPARAM>(pData);
if (-1 != SendMessage(hwndCMB, CBEM_INSERTITEM, 0, (LPARAM)&CBItem))
lCnt++;
}
}
FreeNetconProperties(pProps);
}
ReleaseObj(pNetCon);
}
if (0 == lCnt)
{
// Add a "No connection found" line
CBItem.mask = CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_TEXT;
CBItem.iItem = -1;
CBItem.pszText = const_cast<PWSTR>(SzLoadIds(IDS_NO_CONNECTIONS));
CBItem.cchTextMax = lstrlenW(SzLoadIds(IDS_NO_CONNECTIONS));
CBItem.iImage = ConnTypeToImageIdx(NCM_LAN);
CBItem.iSelectedImage = CBItem.iImage;
CBItem.lParam = NULL;
if (-1 != SendMessage(hwndCMB, CBEM_INSERTITEM, 0, (LPARAM)&CBItem))
{
SendMessage(hwndCMB, CB_SETCURSEL, 0, 0);
}
}
EnableWindow(hwndCMB, !!lCnt);
TraceError("CChooseConnectionDlg::FillChooserCombo",hr==S_FALSE ? S_OK: hr);
return lCnt;
}
CChooseConnectionData * CChooseConnectionDlg::GetData(LPARAM lIdx)
{
CChooseConnectionData * pData = NULL;
HWND hwndCMB = GetDlgItem(m_hWnd, CMB_CHOOSER_LIST);
COMBOBOXEXITEM CBItem = {0};
CBItem.iItem = lIdx;
CBItem.mask = CBEIF_LPARAM;
if (0 != SendMessage(hwndCMB, CBEM_GETITEM, 0, (LPARAM)(PCOMBOBOXEXITEM) &CBItem))
{
pData = reinterpret_cast<CChooseConnectionData *>(CBItem.lParam);
}
return pData;
}
CChooseConnectionData * CChooseConnectionDlg::GetCurrentData()
{
HWND hwndCMB = GetDlgItem(m_hWnd, CMB_CHOOSER_LIST);
LPARAM lParam = SendMessage(hwndCMB, CB_GETCURSEL, 0, 0);
if (CB_ERR == lParam)
return NULL;
return GetData(lParam);
}
BOOL CChooseConnectionDlg::OnInitDialog(HWND hwndDlg)
{
HWND hwndOk = GetDlgItem(hwndDlg, BTN_CHOOSER_OK);
HWND hwndCMB = GetDlgItem(hwndDlg, CMB_CHOOSER_LIST);
m_hWnd = hwndDlg;
// Set the caption text if necessary
if (NCCHF_CAPTION & m_pChooseConn->dwFlags)
{
SetWindowText(m_hWnd, m_pChooseConn->lpstrCaption);
}
else if (NCCHF_CONNECT & m_pChooseConn->dwFlags)
{
SetWindowText(m_hWnd, SzLoadIds(IDS_CONNECT_CAPTION));
}
// Set the Ok text if necessary
if (NCCHF_OKBTTNTEXT & m_pChooseConn->dwFlags)
{
SetWindowText(hwndOk, m_pChooseConn->lpstrOkBttnText);
}
else if (NCCHF_CONNECT & m_pChooseConn->dwFlags)
{
SetWindowText(hwndOk, SzLoadIds(IDS_OKBTTNTEXT));
}
// Disable the New button if requested or if the user doesn't
// have rights for it.
//
if ((NCCHF_DISABLENEW & m_pChooseConn->dwFlags) ||
!FHasPermission(NCPERM_NewConnectionWizard))
{
EnableWindow(GetDlgItem(m_hWnd, BTN_CHOOSER_NEW), FALSE);
}
// Populate the UI
LONG lCnt = FillChooserCombo();
Assert(NULL != m_pConnUi->HImageList());
SendMessage(hwndCMB, CBEM_SETIMAGELIST, 0, (LPARAM)m_pConnUi->HImageList());
::SendMessage(hwndCMB, CB_SETCURSEL, 0, 0L);
// Enable the buttons based on what was found
UpdateOkState();
// Special case, if they don't want to be able to create new connections
// and we're in chooser mode and only one connection exists and the
// autoselect option is selected, select it and return
//
if ((1 == lCnt) && (NCCHF_AUTOSELECT & m_pChooseConn->dwFlags) &&
IsWindowEnabled(hwndOk))
{
PostMessage(hwndDlg, WM_COMMAND, MAKEWPARAM(BTN_CHOOSER_OK, 0),
(LPARAM)hwndOk);
}
return FALSE;
}
VOID CChooseConnectionDlg::UpdateOkState()
{
BOOL fEnabledOk = TRUE;
BOOL fEnabledProps = TRUE;
CChooseConnectionData * pData = GetCurrentData();
if (NULL == pData)
{
fEnabledOk = FALSE;
fEnabledProps = FALSE;
}
else
{
if (NCCHF_CONNECT & m_pChooseConn->dwFlags)
{
// If the current connection is not disconnected or if it's
// a LAN/RAS connection and they don't have connect rights
// then disable the OK button
//
if ((pData->ConnStatus() != NCS_DISCONNECTED) ||
((pData->ConnType() == NCM_LAN) && !FHasPermission(NCPERM_LanConnect)) ||
((pData->ConnType() != NCM_LAN) && !FHasPermission(NCPERM_RasConnect)))
{
fEnabledOk = FALSE;
}
}
// If this is a LAN connection and the user doesn't have rights
// then disallow properties
//
if ((NCM_LAN == pData->ConnType()) &&
!FHasPermission(NCPERM_LanProperties))
{
fEnabledProps = FALSE;
}
// If this is a RAS connection and the user doesn't have rights
// then disallow properties
//
if (NCM_LAN != pData->ConnType())
{
if (((pData->Characteristics() & NCCF_ALL_USERS) &&
!FHasPermission(NCPERM_RasAllUserProperties)) ||
!FHasPermission(NCPERM_RasMyProperties))
{
fEnabledProps = FALSE;
}
}
}
EnableWindow(GetDlgItem(m_hWnd, BTN_CHOOSER_OK), fEnabledOk);
EnableWindow(GetDlgItem(m_hWnd, BTN_CHOOSER_PROPS), fEnabledProps);
}
BOOL CChooseConnectionDlg::OnNew()
{
INetConnection * pConn = NULL;
HRESULT hr = m_pConnUi->StartNewConnectionWizard (m_hWnd, &pConn);
if ((S_OK == hr) && (NULL != pConn))
{
NETCON_PROPERTIES * pProps = NULL;
LONG lCnt = FillChooserCombo();
int nIdx = CB_ERR;
HWND hwndCMB = GetDlgItem(m_hWnd, CMB_CHOOSER_LIST);
Assert(pConn);
hr = pConn->GetProperties(&pProps);
ReleaseObj(pConn);
if (SUCCEEDED(hr) && lCnt && pProps->pszwName)
{
nIdx = ::SendMessage(hwndCMB, CB_FINDSTRINGEXACT,
-1, (LPARAM)pProps->pszwName);
}
// Select whatever was found
::SendMessage(hwndCMB, CB_SETCURSEL, ((CB_ERR == nIdx) ? 0 : nIdx), 0L);
UpdateOkState();
FreeNetconProperties(pProps);
}
TraceErrorOptional("CChooseConnectionDlg::OnProps", hr, (S_FALSE==hr));
return TRUE;
}
BOOL CChooseConnectionDlg::OnProps()
{
CChooseConnectionData * pData = GetCurrentData();
if (NULL != pData)
{
HRESULT hr = m_pConnUi->ShowConnectionProperties(m_hWnd,
pData->PConnection());
TraceErrorOptional("CChooseConnectionDlg::OnProps", hr, (S_FALSE==hr));
}
return TRUE;
}
BOOL CChooseConnectionDlg::OnOk()
{
CChooseConnectionData * pData = GetCurrentData();
if ((NULL != pData) && pData->PConnection())
{
if (m_ppConn)
{
*m_ppConn = pData->PConnection();
(*m_ppConn)->AddRef();
}
// Launch the connection if we're in NCCHF_CONNECT mode
if (NCCHF_CONNECT & m_pChooseConn->dwFlags)
{
Assert(*m_ppConn);
HRESULT hr = HrConnectOrDisconnectNetConObject(
m_hWnd, pData->PConnection(), CD_CONNECT);
}
EndDialog(m_hWnd, IDOK);
}
return TRUE;
}
INT_PTR CALLBACK
CChooseConnectionDlg::dlgprocConnChooser(HWND hwndDlg, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
BOOL frt = FALSE;
LONG_PTR lTmp = ::GetWindowLongPtr(hwndDlg, DWLP_USER);
CChooseConnectionDlg * pdlg = reinterpret_cast<CChooseConnectionDlg *>(lTmp);
switch (uMsg)
{
case WM_INITDIALOG:
{
Assert(lParam);
::SetWindowLongPtr(hwndDlg, DWLP_USER, lParam);
pdlg = reinterpret_cast<CChooseConnectionDlg *>(lParam);
frt = pdlg->OnInitDialog(hwndDlg);
}
break;
case WM_DESTROY:
if (NULL != pdlg)
{
pdlg->ReleaseData();
}
break;
case WM_COMMAND:
switch (HIWORD(wParam))
{
case CBN_SELENDOK:
if (LOWORD(wParam) == CMB_CHOOSER_LIST)
{
Assert(pdlg);
pdlg->UpdateOkState();
}
break;
case BN_CLICKED:
switch (LOWORD(wParam))
{
case BTN_CHOOSER_NEW:
Assert(pdlg);
frt = pdlg->OnNew();
break;
case BTN_CHOOSER_PROPS:
Assert(pdlg);
frt = pdlg->OnProps();
break;
case BTN_CHOOSER_OK:
Assert(pdlg);
frt = pdlg->OnOk();
break;
case IDCANCEL:
frt = TRUE;
EndDialog(hwndDlg, IDCANCEL);
break;
}
break;
}
break;
default:
frt = FALSE;
break;
}
return frt;
}