tcpipconf_notify.c

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#include "precomp.h"
 
#include <winnls.h>
#include <winsock.h>
#include <iphlpapi.h>
#include <dhcpcsdk.h>
#include <dhcpcapi.h>
 
typedef DWORD (WINAPI *PDHCPFALLBACKREFRESHPARAMS)(PWSTR pAdapterName);
 
typedef struct
{
    DWORD EnableSecurityFilters;
    LPWSTR szTCPAllowedPorts;       // KEY: Tcpip\Parameter\{InstanceGuid}\TCPAllowedPorts
    LPWSTR szUDPAllowedPorts;       // KEY: Tcpip\Parameter\{InstanceGuid}\UDPAllowedPorts
    LPWSTR szRawIPAllowedProtocols; // KEY: Tcpip\Parameter\{InstanceGuid}\RawIPAllowedProtocols
    DWORD IPSize;
    DWORD TCPSize;
    DWORD UDPSize;
} TcpFilterSettings;
 
// KEY: Tcpip\Parameter\{InstanceGuid}\IpAddress | DhcpIpAddress
// KEY: Tcpip\Parameter\{InstanceGuid}\SubnetMask | DhcpSubnetMask
// KEY: Tcpip\Parameter\{InstanceGuid}\DefaultGateway | DhcpDefaultGateway
// KEY: Tcpip\Parameter\{InstanceGuid}\NameServer | DhcpNameServer
// KEY: Services\NetBT\Parameters\Interfaces\Tcpip_{INSTANCE_GUID}
 
typedef struct
{
    DWORD RegisterAdapterName;
    DWORD RegistrationEnabled;
    DWORD UseDomainNameDevolution;
    WCHAR szDomain[100];
    LPWSTR szSearchList;
} TcpipAdvancedDNSDlgSettings;
 
typedef struct tagIP_ADDR
{
    DWORD IpAddress;
    union
    {
        DWORD Subnetmask;
        USHORT Metric;
    } u;
    ULONG NTEContext;
    struct tagIP_ADDR *Next;
} IP_ADDR;
 
typedef enum
{
    METRIC = 1,
    SUBMASK = 2,
    IPADDR = 3
} COPY_TYPE;
 
typedef struct
{
    DWORD IpAddress;
    DWORD SubnetMask;
    DWORD DefaultGateway;
    DWORD DnsServer1;
    DWORD DnsServer2;
} AlternateConfiguration;
 
typedef struct
{
    IP_ADDR *Ip;
    IP_ADDR *Ns;
    IP_ADDR *Gw;
 
    UINT DhcpEnabled;
    UINT DnsDhcpEnabled;
    DWORD Metric;
    DWORD Index;
    AlternateConfiguration AltConfig;
    TcpFilterSettings *pFilter;
    TcpipAdvancedDNSDlgSettings *pDNS;
} TcpipSettings;
 
typedef struct
{
    const INetCfgComponentControl *lpVtbl;
    const INetCfgComponentPropertyUi *lpVtblCompPropertyUi;
    const INetCfgComponentSetup *lpVtblCompSetup;
    LONG ref;
    IUnknown *pUnknown;
    INetCfg *pNCfg;
    INetCfgComponent *pNComp;
    TcpipSettings *pCurrentConfig;
    TcpipSettings *pOldConfig;
    CLSID NetCfgInstanceId;
} TcpipConfNotifyImpl, *LPTcpipConfNotifyImpl;
 
typedef struct
{
    BOOL bAdd;
    HWND hDlgCtrl;
    WCHAR szIP[16];
    UINT Metric;
} TcpipGwSettings;
 
typedef struct
{
    BOOL bAdd;
    HWND hDlgCtrl;
    WCHAR szIP[16];
    WCHAR szMask[16];
} TcpipIpSettings;
 
typedef struct
{
    BOOL bAdd;
    HWND hDlgCtrl;
    WCHAR szIP[16];
} TcpipDnsSettings;
 
typedef struct
{
    BOOL bAdd;
    HWND hDlgCtrl;
    LPWSTR Suffix;
} TcpipSuffixSettings;
 
typedef struct
{
    HWND hDlgCtrl;
    UINT ResId;
    UINT MaxNum;
} TcpipPortSettings;
 
static __inline LPTcpipConfNotifyImpl impl_from_INetCfgComponentPropertyUi(INetCfgComponentPropertyUi *iface)
{
    return (TcpipConfNotifyImpl*)((char *)iface - FIELD_OFFSET(TcpipConfNotifyImpl, lpVtblCompPropertyUi));
}
 
static __inline LPTcpipConfNotifyImpl impl_from_INetCfgComponentSetup(INetCfgComponentSetup *iface)
{
    return (TcpipConfNotifyImpl*)((char *)iface - FIELD_OFFSET(TcpipConfNotifyImpl, lpVtblCompSetup));
}
 
INT GetSelectedItem(HWND hDlgCtrl);
HRESULT InitializeTcpipBasicDlgCtrls(HWND hwndDlg, TcpipSettings * pCurSettings);
VOID InsertColumnToListView(HWND hDlgCtrl, UINT ResId, UINT SubItem, UINT Size);
INT_PTR StoreTcpipBasicSettings(HWND hwndDlg, TcpipConfNotifyImpl * This, BOOL bApply);
HRESULT Initialize(TcpipConfNotifyImpl * This);
UINT GetIpAddressFromStringW(WCHAR *szBuffer);
 
VOID
DisplayError(UINT ResTxt, UINT ResTitle, UINT Type)
{
    WCHAR szBuffer[300];
    WCHAR szTitle[100];
 
    if (LoadStringW(netcfgx_hInstance, ResTxt, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
        szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
    else
        szBuffer[0] = L'\0';
 
    if (LoadStringW(netcfgx_hInstance, ResTitle, szTitle, sizeof(szTitle)/sizeof(WCHAR)))
        szTitle[(sizeof(szTitle)/sizeof(WCHAR))-1] = L'\0';
    else
        szTitle[0] = L'\0';
 
    MessageBoxW(NULL, szBuffer, szTitle, Type);
}
 
 
/***************************************************************
 * TCP/IP Filter Dialog
 *
 */
 
INT_PTR
CALLBACK
TcpipFilterPortDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipPortSettings * pPort;
    UINT Num;
    LVFINDINFOW find;
    LVITEMW li;
    WCHAR szBuffer[100];
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pPort = (TcpipPortSettings*)lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pPort);
            if (LoadStringW(netcfgx_hInstance, pPort->ResId, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
            {
                szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                SendDlgItemMessageW(hwndDlg, IDC_PORT_DESC, WM_SETTEXT, 0, (LPARAM)szBuffer);
            }
 
            if (pPort->MaxNum == 65536)
                SendDlgItemMessageW(hwndDlg, IDC_PORT_VAL, EM_LIMITTEXT, 5, 0);
            else
                SendDlgItemMessageW(hwndDlg, IDC_PORT_VAL, EM_LIMITTEXT, 3, 0);
 
            return TRUE;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDCANCEL)
            {
                EndDialog(hwndDlg, FALSE);
                break;
            }
            else if (LOWORD(wParam) == IDC_OK)
            {
                pPort = (TcpipPortSettings*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                Num = GetDlgItemInt(hwndDlg, IDC_PORT_VAL, NULL, TRUE);
                if (Num > pPort->MaxNum || Num == 0)
                {
                    if (pPort->MaxNum == 65536)
                        DisplayError(IDS_PORT_RANGE, IDS_TCPIP, MB_ICONWARNING);
                    else
                        DisplayError(IDS_PROT_RANGE, IDS_TCPIP, MB_ICONWARNING);
 
                    SetFocus(GetDlgItem(hwndDlg, IDC_PORT_VAL));
                    break;
                }
                if (GetWindowTextW(GetDlgItem(hwndDlg, IDC_PORT_VAL), szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    ZeroMemory(&find, sizeof(LVFINDINFOW));
                    find.flags = LVFI_STRING;
                    find.psz = szBuffer;
                    if (SendMessageW(pPort->hDlgCtrl, LVM_FINDITEMW, (WPARAM)-1, (LPARAM)&find) == -1)
                    {
                        ZeroMemory(&li, sizeof(LVITEMW));
                        li.mask = LVIF_TEXT;
                        li.iItem = ListView_GetItemCount(pPort->hDlgCtrl);
                        li.pszText = szBuffer;
                        SendMessageW(pPort->hDlgCtrl, LVM_INSERTITEMW, 0, (LPARAM)&li);
                        EndDialog(hwndDlg, TRUE);
                        break;
                    }
                    DisplayError(IDS_DUP_NUMBER, IDS_PROT_RANGE, MB_ICONWARNING);
                    SetFocus(GetDlgItem(hwndDlg, IDC_PORT_VAL));
                    break;
                }
           }
    }
    return FALSE;
}
 
VOID
InitFilterListBox(LPWSTR pData, HWND hwndDlg, HWND hDlgCtrl, UINT AllowButton, UINT RestrictButton, UINT AddButton, UINT DelButton)
{
    LVITEMW li;
    LPWSTR pCur;
    INT iItem;
 
    if (!pData || !_wtoi(pData))
    {
        CheckDlgButton(hwndDlg, AllowButton, BST_CHECKED);
        EnableWindow(GetDlgItem(hwndDlg, AddButton), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, DelButton), FALSE);
        return;
    }
 
    pCur = pData;
    memset(&li, 0x0, sizeof(LVITEMW));
    li.mask = LVIF_TEXT;
    iItem = 0;
 
    while(pCur[0])
    {
        li.pszText = pCur;
        li.iItem = iItem;
        SendMessageW(hDlgCtrl, LVM_INSERTITEMW, 0, (LPARAM)&li);
        iItem++;
        pCur += wcslen(pCur) + 1;
    }
 
    if (!iItem)
        CheckDlgButton(hwndDlg, AllowButton, BST_CHECKED);
    else
        CheckDlgButton(hwndDlg, RestrictButton, BST_CHECKED);
}
 
LPWSTR
CreateFilterList(
    HWND hDlgCtrl,
    LPDWORD Size)
{
    INT iCount, iIndex;
    LVITEMW li;
    LPWSTR pData, pCur;
    DWORD dwSize;
    WCHAR szBuffer[10];
 
    iCount = ListView_GetItemCount(hDlgCtrl);
    if (!iCount)
    {
        pData = (LPWSTR)CoTaskMemAlloc(3 * sizeof(WCHAR));
        if (!pData)
            return NULL;
        pData[0] = L'0';
        pData[1] = L'\0';
        pData[2] = L'\0';
        *Size = 3 * sizeof(WCHAR);
        return pData;
    }
 
    pData = CoTaskMemAlloc((6 * iCount + 1) * sizeof(WCHAR));
    if (!pData)
        return NULL;
 
    pCur = pData;
    dwSize = 0;
    for(iIndex = 0; iIndex < iCount; iIndex++)
    {
        ZeroMemory(&li, sizeof(LVITEMW));
        li.mask = LVIF_TEXT;
        li.iItem = iIndex;
        li.pszText = szBuffer;
        li.cchTextMax = sizeof(szBuffer) /sizeof(WCHAR);
        if (SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li))
        {
            wcscpy(pCur, szBuffer);
            dwSize += wcslen(szBuffer) + 1;
            pCur += wcslen(szBuffer) + 1;
        }
    }
    pCur[0] = L'\0';
    *Size = (dwSize+1) * sizeof(WCHAR);
    return pData;
}
 
TcpFilterSettings *
StoreTcpipFilterSettings(
    HWND hwndDlg)
{
    TcpFilterSettings * pFilter;
 
    pFilter = CoTaskMemAlloc(sizeof(TcpFilterSettings));
    if (!pFilter)
        return NULL;
 
    if (IsDlgButtonChecked(hwndDlg, IDC_USE_FILTER) == BST_CHECKED)
        pFilter->EnableSecurityFilters = TRUE;
    else
        pFilter->EnableSecurityFilters = FALSE;
 
    pFilter->szTCPAllowedPorts = CreateFilterList(GetDlgItem(hwndDlg, IDC_TCP_LIST), &pFilter->TCPSize);
    pFilter->szUDPAllowedPorts = CreateFilterList(GetDlgItem(hwndDlg, IDC_UDP_LIST), &pFilter->UDPSize);
    pFilter->szRawIPAllowedProtocols = CreateFilterList(GetDlgItem(hwndDlg, IDC_IP_LIST), &pFilter->IPSize);
 
    return pFilter;
}
 
static
VOID
AddItem(
    HWND hwndDlg,
    HWND hDlgCtrl,
    UINT MaxItem,
    UINT ResId)
{
    TcpipPortSettings Port;
 
    Port.MaxNum = MaxItem;
    Port.hDlgCtrl = hDlgCtrl;
    Port.ResId = ResId;
 
    DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIP_PORT_DLG), hwndDlg, TcpipFilterPortDlg, (LPARAM)&Port);
}
 
static
VOID
DelItem(
    HWND hDlgCtrl)
{
    INT iIndex = GetSelectedItem(hDlgCtrl);
 
    if (iIndex != -1)
    {
        (void)ListView_DeleteItem(hDlgCtrl, iIndex);
        return;
    }
    DisplayError(IDS_NOITEMSEL, IDS_TCPIP, MB_ICONWARNING);
}
 
INT_PTR
CALLBACK
TcpipFilterSettingsDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipConfNotifyImpl *pContext;
    TcpFilterSettings *pFilter;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pContext = (TcpipConfNotifyImpl*)lParam;
            InsertColumnToListView(GetDlgItem(hwndDlg, IDC_TCP_LIST), IDS_TCP_PORTS, 0, 100);
            InsertColumnToListView(GetDlgItem(hwndDlg, IDC_UDP_LIST), IDS_UDP_PORTS, 0, 100);
            InsertColumnToListView(GetDlgItem(hwndDlg, IDC_IP_LIST), IDS_IP_PROTO, 0, 100);
            if (pContext->pCurrentConfig->pFilter)
            {
                InitFilterListBox(pContext->pCurrentConfig->pFilter->szTCPAllowedPorts, hwndDlg, GetDlgItem(hwndDlg, IDC_TCP_LIST), IDC_TCP_ALLOW_ALL, IDC_TCP_RESTRICT, IDC_TCP_ADD, IDC_TCP_DEL);
                InitFilterListBox(pContext->pCurrentConfig->pFilter->szUDPAllowedPorts, hwndDlg, GetDlgItem(hwndDlg, IDC_UDP_LIST), IDC_UDP_ALLOW_ALL, IDC_UDP_RESTRICT, IDC_UDP_ADD, IDC_UDP_DEL);
                InitFilterListBox(pContext->pCurrentConfig->pFilter->szRawIPAllowedProtocols, hwndDlg, GetDlgItem(hwndDlg, IDC_IP_LIST), IDC_IP_ALLOW_ALL, IDC_IP_RESTRICT, IDC_IP_ADD, IDC_IP_DEL);
                if (pContext->pCurrentConfig->pFilter->EnableSecurityFilters)
                    CheckDlgButton(hwndDlg, IDC_USE_FILTER, BST_CHECKED);
             }
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pContext);
            return TRUE;
        case WM_COMMAND:
            if (HIWORD(wParam) == BN_CLICKED)
            {
                switch (LOWORD(wParam))
                {
                    case IDC_TCP_ALLOW_ALL:
                        if (IsDlgButtonChecked(hwndDlg, IDC_TCP_ALLOW_ALL) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_TCP_RESTRICT, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_LIST), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_ADD), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_DEL), FALSE);
                        }
                        break;
                    case IDC_TCP_RESTRICT:
                        if (IsDlgButtonChecked(hwndDlg, IDC_TCP_RESTRICT) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_TCP_ALLOW_ALL, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_LIST), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_ADD), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_TCP_DEL), TRUE);
                        }
                        break;
                    case IDC_UDP_ALLOW_ALL:
                        if (IsDlgButtonChecked(hwndDlg, IDC_UDP_ALLOW_ALL) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_UDP_RESTRICT, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_LIST), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_ADD), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_DEL), FALSE);
                        }
                        break;
                    case IDC_UDP_RESTRICT:
                        if (IsDlgButtonChecked(hwndDlg, IDC_UDP_RESTRICT) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_UDP_ALLOW_ALL, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_LIST), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_ADD), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_UDP_DEL), TRUE);
                        }
                        break;
                    case IDC_IP_ALLOW_ALL:
                        if (IsDlgButtonChecked(hwndDlg, IDC_IP_ALLOW_ALL) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_IP_RESTRICT, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_LIST), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_ADD), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_DEL), FALSE);
                        }
                        break;
                    case IDC_IP_RESTRICT:
                        if (IsDlgButtonChecked(hwndDlg, IDC_IP_RESTRICT) == BST_CHECKED)
                        {
                            CheckDlgButton(hwndDlg, IDC_IP_ALLOW_ALL, BST_UNCHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_LIST), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_ADD), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IP_DEL), TRUE);
                        }
                        break;
                    case IDC_USE_FILTER:
                        if (IsDlgButtonChecked(hwndDlg, IDC_USE_FILTER) == BST_UNCHECKED)
                            DisplayError(IDS_DISABLE_FILTER, IDS_TCPIP, MB_OK);
 
                        break;
                }
            }
            switch(LOWORD(wParam))
            {
                case IDC_OK:
                    pContext = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                    pFilter = StoreTcpipFilterSettings(hwndDlg);
                    if (pFilter)
                    {
                        if (pContext->pCurrentConfig->pFilter)
                        {
                            CoTaskMemFree(pContext->pCurrentConfig->pFilter->szTCPAllowedPorts);
                            CoTaskMemFree(pContext->pCurrentConfig->pFilter->szUDPAllowedPorts);
                            CoTaskMemFree(pContext->pCurrentConfig->pFilter->szRawIPAllowedProtocols);
                            CoTaskMemFree(pContext->pCurrentConfig->pFilter);
                        }
                        pContext->pCurrentConfig->pFilter = pFilter;
                    }
                    EndDialog(hwndDlg, (INT_PTR)TRUE);
                    break;
                case IDCANCEL:
                    EndDialog(hwndDlg, FALSE);
                    break;
                case IDC_TCP_ADD:
                    AddItem(hwndDlg, GetDlgItem(hwndDlg, IDC_TCP_LIST), 65536, IDS_TCP_PORTS);
                    break;
                case IDC_TCP_DEL:
                    DelItem(GetDlgItem(hwndDlg, IDC_TCP_LIST));
                    break;
                case IDC_UDP_ADD:
                    AddItem(hwndDlg, GetDlgItem(hwndDlg, IDC_UDP_LIST), 65536, IDS_UDP_PORTS);
                    break;
                case IDC_UDP_DEL:
                    DelItem(GetDlgItem(hwndDlg, IDC_UDP_LIST));
                    break;
                case IDC_IP_ADD:
                    AddItem(hwndDlg, GetDlgItem(hwndDlg, IDC_IP_LIST), 256, IDS_IP_PROTO);
                    break;
                case IDC_IP_DEL:
                    DelItem(GetDlgItem(hwndDlg, IDC_IP_LIST));
                    break;
                default:
                    break;
            }
        default:
            break;
    }
 
    return FALSE;
}
 
 
HPROPSHEETPAGE
InitializePropertySheetPage(LPWSTR resname, DLGPROC dlgproc, LPARAM lParam, LPWSTR szTitle)
{
    PROPSHEETPAGEW ppage;
 
    memset(&ppage, 0x0, sizeof(PROPSHEETPAGEW));
    ppage.dwSize = sizeof(PROPSHEETPAGEW);
    ppage.dwFlags = PSP_DEFAULT;
    ppage.u.pszTemplate = resname;
    ppage.pfnDlgProc = dlgproc;
    ppage.lParam = lParam;
    ppage.hInstance = netcfgx_hInstance;
    if (szTitle)
    {
        ppage.dwFlags |= PSP_USETITLE;
        ppage.pszTitle = szTitle;
    }
    return CreatePropertySheetPageW(&ppage);
}
 
/***************************************************************
 * TCP/IP Advanced Option Dialog
 *
 */
 
VOID
InitializeTcpipAdvancedOptDlg(
    HWND hwndDlg,
    TcpipConfNotifyImpl * This)
{
    WCHAR szText[500];
    /* store context */
    SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)This);
 
    if (LoadStringW(netcfgx_hInstance, IDS_TCPFILTER, szText, sizeof(szText)/sizeof(WCHAR)))
    {
        szText[(sizeof(szText)/sizeof(WCHAR))-1] = L'\0';
        if (SendDlgItemMessageW(hwndDlg, IDC_OPTLIST, LB_ADDSTRING, 0, (LPARAM)szText) != LB_ERR)
            SendDlgItemMessageW(hwndDlg, IDC_OPTLIST, LB_SETCURSEL, 0, 0);
    }
 
    if (LoadStringW(netcfgx_hInstance, IDS_TCPFILTERDESC, szText, sizeof(szText)/sizeof(WCHAR)))
    {
        szText[(sizeof(szText)/sizeof(WCHAR))-1] = L'\0';
        SendDlgItemMessageW(hwndDlg, IDC_OPTDESC, WM_SETTEXT, 0, (LPARAM)szText);
    }
}
 
 
 
INT_PTR
CALLBACK
TcpipAdvancedOptDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipConfNotifyImpl * This;
    LPPROPSHEETPAGE page;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            page = (LPPROPSHEETPAGE)lParam;
            This = (TcpipConfNotifyImpl*)page->lParam;
            InitializeTcpipAdvancedOptDlg(hwndDlg, This);
            return TRUE;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_OPTPROP)
            {
                DialogBoxParamW(netcfgx_hInstance,
                                MAKEINTRESOURCEW(IDD_TCPIP_FILTER_DLG),
                                GetParent(hwndDlg),
                                TcpipFilterSettingsDlg,
                                (LPARAM)GetWindowLongPtr(hwndDlg, DWLP_USER));
                break;
            }
    }
    return FALSE;
}
 
VOID
InsertColumnToListView(
    HWND hDlgCtrl,
    UINT ResId,
    UINT SubItem,
    UINT Size)
{
    WCHAR szBuffer[200];
    LVCOLUMNW lc;
 
    if (!LoadStringW(netcfgx_hInstance, ResId, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
        return;
 
    memset(&lc, 0, sizeof(LV_COLUMN) );
    lc.mask = LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM | LVCF_FMT;
    lc.iSubItem   = SubItem;
    lc.fmt = LVCFMT_FIXED_WIDTH;
    lc.cx         = Size;
    lc.cchTextMax = wcslen(szBuffer);
    lc.pszText    = szBuffer;
 
    (void)SendMessageW(hDlgCtrl, LVM_INSERTCOLUMNW, SubItem, (LPARAM)&lc);
}
 
VOID
InsertIpAddressToListView(
    HWND hDlgCtrl,
    IP_ADDR * pAddr,
    BOOL bSubMask)
{
    WCHAR szBuffer[70];
    DWORD dwIpAddr;
    UINT itemCount = 0;
    LVITEMW li;
 
    while(pAddr)
    {
        ZeroMemory(&li, sizeof(li));
        li.mask = LVIF_TEXT;
        li.iItem = itemCount;
        li.iSubItem = 0;
        dwIpAddr = pAddr->IpAddress;
        swprintf(szBuffer, L"%lu.%lu.%lu.%lu",
                 FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
 
        li.pszText = szBuffer;
        li.iItem = SendMessageW(hDlgCtrl, LVM_INSERTITEMW, 0, (LPARAM)&li);
        if (li.iItem  != -1)
        {
            if (bSubMask)
            {
                dwIpAddr = pAddr->u.Subnetmask;
                swprintf(szBuffer, L"%lu.%lu.%lu.%lu",
                         FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
            }
            else
            {
                if (pAddr->u.Metric)
                    swprintf(szBuffer, L"%u", pAddr->u.Metric);
                else
                    LoadStringW(netcfgx_hInstance, IDS_AUTOMATIC, szBuffer, sizeof(szBuffer)/sizeof(WCHAR));
            }
 
            li.mask = LVIF_TEXT;
            li.iSubItem = 1;
            li.pszText = szBuffer;
            SendMessageW(hDlgCtrl, LVM_SETITEMW, 0, (LPARAM)&li);
        }
        itemCount++;
        pAddr = pAddr->Next;
    }
}
 
VOID
InitializeTcpipAdvancedIpDlg(
    HWND hwndDlg,
    TcpipConfNotifyImpl * This)
{
    RECT rect;
    LVITEMW li;
    WCHAR szBuffer[100];
 
    InsertColumnToListView(GetDlgItem(hwndDlg, IDC_IPLIST), IDS_IPADDR, 0, 100);
    GetClientRect(GetDlgItem(hwndDlg, IDC_IPLIST), &rect);
    InsertColumnToListView(GetDlgItem(hwndDlg, IDC_IPLIST), IDS_SUBMASK, 1, (rect.right - rect.left - 100));
 
    if (This->pCurrentConfig->DhcpEnabled)
    {
        if (LoadStringW(netcfgx_hInstance, IDS_DHCPACTIVE, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
        {
            ZeroMemory(&li, sizeof(LVITEMW));
            li.mask = LVIF_TEXT;
            li.pszText = szBuffer;
            SendDlgItemMessageW(hwndDlg, IDC_IPLIST, LVM_INSERTITEMW, 0, (LPARAM)&li);
        }
        EnableWindow(GetDlgItem(hwndDlg, IDC_IPADD), FALSE);
    }
    else
    {
        InsertIpAddressToListView(GetDlgItem(hwndDlg, IDC_IPLIST), This->pCurrentConfig->Ip, TRUE);
    }
 
    EnableWindow(GetDlgItem(hwndDlg, IDC_IPMOD), FALSE);
    EnableWindow(GetDlgItem(hwndDlg, IDC_IPDEL), FALSE);
 
    InsertColumnToListView(GetDlgItem(hwndDlg, IDC_GWLIST), IDS_GATEWAY, 0, 100);
    GetClientRect(GetDlgItem(hwndDlg, IDC_IPLIST), &rect);
    InsertColumnToListView(GetDlgItem(hwndDlg, IDC_GWLIST), IDS_METRIC, 1, (rect.right - rect.left - 100));
 
    InsertIpAddressToListView(GetDlgItem(hwndDlg, IDC_GWLIST), This->pCurrentConfig->Gw, FALSE);
 
    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMOD), FALSE);
    EnableWindow(GetDlgItem(hwndDlg, IDC_GWDEL), FALSE);
 
    SendDlgItemMessageW(hwndDlg, IDC_IFMETRIC, EM_LIMITTEXT, 4, 0);
    if (This->pCurrentConfig->Metric)
    {
        EnableWindow(GetDlgItem(hwndDlg, IDC_IFMETRIC), TRUE);
        SetDlgItemInt(hwndDlg, IDC_IFMETRIC, This->pCurrentConfig->Metric, FALSE);
    }
    else
    {
        CheckDlgButton(hwndDlg, IDC_IFAUTOMETRIC, BST_CHECKED);
        EnableWindow(GetDlgItem(hwndDlg, IDC_IFMETRIC), FALSE);
    }
}
 
INT_PTR
CALLBACK
TcpipAdvGwDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    WCHAR szBuffer[70];
    TcpipGwSettings *pGwSettings;
    DWORD dwIpAddr;
    LPNMIPADDRESS lpnmipa;
    LVFINDINFOW find;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pGwSettings = (TcpipGwSettings *)lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)lParam);
 
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
            if (pGwSettings->bAdd)
            {
                if (LoadStringW(netcfgx_hInstance, IDS_ADD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
                EnableWindow(GetDlgItem(hwndDlg, IDC_OK), FALSE);
                CheckDlgButton(hwndDlg, IDC_GWAUTOMETRIC, BST_CHECKED);
            }
            else
            {
                if (LoadStringW(netcfgx_hInstance, IDS_MOD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
 
                SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETADDRESS, 0, (LPARAM)GetIpAddressFromStringW(pGwSettings->szIP));
 
                if (pGwSettings->Metric)
                {
                    SetDlgItemInt(hwndDlg, IDC_GWMETRIC, pGwSettings->Metric, FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRIC), TRUE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRICTXT), TRUE);
                }
                else
                {
                    CheckDlgButton(hwndDlg, IDC_GWAUTOMETRIC, BST_CHECKED);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRIC), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRICTXT), FALSE);
                }
            }
            return TRUE;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_GWAUTOMETRIC)
            {
                if (IsDlgButtonChecked(hwndDlg, IDC_GWAUTOMETRIC) == BST_CHECKED)
                {
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRIC), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRICTXT), FALSE);
                    SendDlgItemMessageW(hwndDlg, IDC_GWMETRIC, WM_SETTEXT, 0, (LPARAM)L"");
                }
                else
                {
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRIC), TRUE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMETRICTXT), TRUE);
                }
                break;
            }
            else if (LOWORD(wParam) == IDCANCEL)
            {
                EndDialog(hwndDlg, FALSE);
                break;
            }
            else if (LOWORD(wParam) == IDC_OK)
            {
                if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                {
                    pGwSettings = (TcpipGwSettings*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                    SendDlgItemMessageW(hwndDlg, IDC_IPADDR, WM_GETTEXT, 16, (LPARAM)pGwSettings->szIP);
 
                    ZeroMemory(&find, sizeof(LVFINDINFOW));
                    find.flags = LVFI_STRING;
                    find.psz = pGwSettings->szIP;
 
                    if (IsDlgButtonChecked(hwndDlg, IDC_GWAUTOMETRIC) == BST_UNCHECKED)
                        pGwSettings->Metric = GetDlgItemInt(hwndDlg, IDC_GWMETRIC, NULL, FALSE);
                    else
                        pGwSettings->Metric = 0;
 
 
                    if (SendMessageW(pGwSettings->hDlgCtrl, LVM_FINDITEMW, (WPARAM)-1, (LPARAM)&find) == -1)
                    {
                        EndDialog(hwndDlg, TRUE);
                        break;
                    }
                    if (!pGwSettings->bAdd)
                    {
                        EndDialog(hwndDlg, FALSE);
                        break;
                    }
                    DisplayError(IDS_DUP_GW, IDS_TCPIP, MB_ICONINFORMATION);
                }
                break;
            }
            break;
        case WM_NOTIFY:
            lpnmipa = (LPNMIPADDRESS) lParam;
            if (lpnmipa->hdr.code == IPN_FIELDCHANGED)
            {
                if (lpnmipa->hdr.idFrom == IDC_IPADDR)
                {
                    if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                        EnableWindow(GetDlgItem(hwndDlg, IDC_OK), TRUE);
                }
            }
            break;
    }
    return FALSE;
}
 
BOOL
GetGWListEntry(HWND hDlgCtrl, INT Index, TcpipGwSettings * pGwSettings)
{
    LVITEMW li;
    WCHAR szBuffer[30];
    BOOL bRet;
 
    ZeroMemory(&li, sizeof(LVITEMW));
    li.mask = LVIF_TEXT;
    li.cchTextMax = 16;
    li.pszText = pGwSettings->szIP;
    li.iItem = Index;
 
    if (!SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li))
        return FALSE;
    li.pszText = szBuffer;
    li.cchTextMax = 30;
    li.iSubItem = 1;
 
    bRet = SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li);
    if (bRet)
    {
        pGwSettings->Metric = _wtoi(szBuffer);
    }
 
    return bRet;
}
 
INT_PTR
CALLBACK
TcpipAddIpDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    LPNMIPADDRESS lpnmipa;
    DWORD dwIpAddr;
    TcpipIpSettings *pIpSettings;
    WCHAR szBuffer[50];
    LVFINDINFOW find;
    LRESULT lResult;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pIpSettings = (TcpipIpSettings*)lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)lParam);
 
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 0, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
            if (pIpSettings->bAdd)
            {
                if (LoadStringW(netcfgx_hInstance, IDS_ADD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
                EnableWindow(GetDlgItem(hwndDlg, IDC_OK), FALSE);
            }
            else
            {
                if (LoadStringW(netcfgx_hInstance, IDS_MOD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
 
                SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETADDRESS, 0, (LPARAM)GetIpAddressFromStringW(pIpSettings->szIP));
                SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)GetIpAddressFromStringW(pIpSettings->szMask));
            }
            return TRUE;
        case WM_NOTIFY:
            lpnmipa = (LPNMIPADDRESS) lParam;
            if (lpnmipa->hdr.code == IPN_FIELDCHANGED)
            {
                if (lpnmipa->hdr.idFrom == IDC_IPADDR)
                {
                    if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                    {
                        if (dwIpAddr <= MAKEIPADDRESS(127, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 0, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(191, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(223, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 255, 0));
                        EnableWindow(GetDlgItem(hwndDlg, IDC_OK), TRUE);
                     }
                }
            }
            break;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_OK)
            {
                pIpSettings = (TcpipIpSettings*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                SendDlgItemMessageW(hwndDlg, IDC_IPADDR, WM_GETTEXT, 16, (LPARAM)pIpSettings->szIP);
                SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, WM_GETTEXT, 16, (LPARAM)pIpSettings->szMask);
 
                ZeroMemory(&find, sizeof(LVFINDINFOW));
                find.flags = LVFI_STRING;
                find.psz = pIpSettings->szIP;
                lResult = SendMessageW(pIpSettings->hDlgCtrl, LVM_FINDITEMW, (WPARAM)-1, (LPARAM)&find);
 
                if (lResult == -1)
                {
                    EndDialog(hwndDlg, TRUE);
                    break;
                }
                else if (!pIpSettings->bAdd)
                {
                    EndDialog(hwndDlg, FALSE);
                    break;
                }
                DisplayError(IDS_DUP_IPADDR, IDS_TCPIP, MB_ICONINFORMATION);
                break;
            }
            else if (LOWORD(wParam) == IDCANCEL)
            {
                EndDialog(hwndDlg, FALSE);
            }
            break;
    }
    return FALSE;
}
 
BOOL
VerifyDNSSuffix(
    LPWSTR szName)
{
    UINT Index;
    UINT Length = wcslen(szName);
 
    for(Index = 0; Index < Length; Index++)
        if (iswalnum(szName[Index]) == 0 && szName[Index] != '.' && szName[Index] != '-')
            return FALSE;
 
    return TRUE;
}
 
INT_PTR
CALLBACK
TcpipAddSuffixDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    WCHAR szBuffer[100];
    TcpipSuffixSettings * pSettings;
    LRESULT lLength;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pSettings = (TcpipSuffixSettings*)lParam;
            if (!pSettings->bAdd)
            {
                SendDlgItemMessageW(hwndDlg, IDC_SUFFIX, WM_SETTEXT, 0, (LPARAM)pSettings->Suffix);
                if (LoadStringW(netcfgx_hInstance, IDS_MOD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
                CoTaskMemFree(pSettings->Suffix);
                pSettings->Suffix = NULL;
            }
            else
            {
                if (LoadStringW(netcfgx_hInstance, IDS_ADD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
            }
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pSettings);
            return TRUE;
        case WM_COMMAND:
           if (LOWORD(wParam) == IDCANCEL)
           {
               EndDialog(hwndDlg, FALSE);
               break;
           }
           else if (LOWORD(wParam) == IDC_OK)
           {
               lLength = SendDlgItemMessageW(hwndDlg, IDC_SUFFIX, WM_GETTEXTLENGTH, 0, 0);
               if (lLength)
               {
                   pSettings = (TcpipSuffixSettings*) GetWindowLongPtr(hwndDlg, DWLP_USER);
                   pSettings->Suffix = (LPWSTR)CoTaskMemAlloc((lLength + 1)* sizeof(WCHAR));
                   if (pSettings->Suffix)
                   {
                       SendDlgItemMessageW(hwndDlg, IDC_SUFFIX, WM_GETTEXT, lLength + 1, (LPARAM)pSettings->Suffix);
                       if (SendMessageW(pSettings->hDlgCtrl, LB_FINDSTRING, 0, (LPARAM)pSettings->Suffix) != LB_ERR)
                       {
                           DisplayError(IDS_DUP_SUFFIX, IDS_TCPIP, MB_ICONWARNING);
                           CoTaskMemFree(pSettings->Suffix);
                           break;
                       }
 
                       if (!VerifyDNSSuffix(pSettings->Suffix))
                       {
                           DisplayError(IDS_DOMAIN_SUFFIX, IDS_TCPIP, MB_ICONWARNING);
                           CoTaskMemFree(pSettings->Suffix);
                           break;
                       }
                       EndDialog(hwndDlg, TRUE);
                   }
               }
               break;
           }
    }
    return FALSE;
}
 
 
INT
GetSelectedItem(HWND hDlgCtrl)
{
    LVITEMW li;
    UINT iItemCount, iIndex;
 
    iItemCount = ListView_GetItemCount(hDlgCtrl);
    if (!iItemCount)
        return -1;
 
    for (iIndex = 0; iIndex < iItemCount; iIndex++)
    {
        ZeroMemory(&li, sizeof(LVITEMW));
        li.mask = LVIF_STATE;
        li.stateMask = (UINT)-1;
        li.iItem = iIndex;
        if (SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li))
        {
            if (li.state & LVIS_SELECTED)
                return iIndex;
        }
    }
    return -1;
}
 
 
BOOL
GetIPListEntry(HWND hDlgCtrl, INT Index, TcpipIpSettings * pIpSettings)
{
    LVITEMW li;
 
    ZeroMemory(&li, sizeof(LVITEMW));
    li.mask = LVIF_TEXT;
    li.cchTextMax = 16;
    li.pszText = pIpSettings->szIP;
    li.iItem = Index;
 
    if (!SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li))
        return FALSE;
 
    ZeroMemory(&li, sizeof(LVITEMW));
    li.mask = LVIF_TEXT;
    li.cchTextMax = 16;
    li.pszText = pIpSettings->szMask;
    li.iSubItem = 1;
    li.iItem = Index;
 
    return SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li);
}
 
VOID
DeleteItemFromList(HWND hDlgCtrl)
{
    LVITEMW li;
 
    memset(&li, 0x0, sizeof(LVITEMW));
    li.iItem = GetSelectedItem(hDlgCtrl);
    if (li.iItem < 0)
    {
        DisplayError(IDS_NOITEMSEL, IDS_TCPIP, MB_ICONINFORMATION);
        SetFocus(hDlgCtrl);
    }
    else
    {
        (void)ListView_DeleteItem(hDlgCtrl, li.iItem);
    }
}
 
UINT
GetIpAddressFromStringW(
    WCHAR * szBuffer)
{
    DWORD dwIpAddr = 0;
    INT Val;
    UINT Index = 3;
    LPWSTR pLast = szBuffer;
    LPWSTR pNext = szBuffer;
 
 
    while((pNext = wcschr(pNext, L'.')))
    {
        pNext[0] = L'\0';
        Val = _wtoi(pLast);
        dwIpAddr |= (Val << Index * 8);
        Index--;
        pNext++;
        pLast = pNext;
    }
    dwIpAddr |= _wtoi(pLast);
 
    return dwIpAddr;
}
 
UINT
GetIpAddressFromStringA(
    char * sBuffer)
{
    WCHAR szIp[16];
 
    if (MultiByteToWideChar(CP_ACP, 0, sBuffer, -1, szIp, 16))
    {
        szIp[15] = L'\0';
       return GetIpAddressFromStringW(szIp);
    }
    return (UINT)-1;
}
 
 
VOID
FreeIPAddr(IP_ADDR *pAddr)
{
    IP_ADDR *pNext;
 
    if (!pAddr)
        return;
 
    while(pAddr)
    {
        pNext = pAddr->Next;
        CoTaskMemFree(pAddr);
        pAddr = pNext;
    }
}
 
BOOL
GetListViewItem(HWND hDlgCtrl, UINT Index, UINT SubIndex, WCHAR * szBuffer, UINT BufferSize)
{
    LVITEMW li;
 
    ZeroMemory(&li, sizeof(LVITEMW));
    li.mask = LVIF_TEXT;
    li.pszText = szBuffer;
    li.iItem = Index;
    li.iSubItem = SubIndex;
    li.cchTextMax = BufferSize;
    return SendMessageW(hDlgCtrl, LVM_GETITEMW, 0, (LPARAM)&li);
}
 
VOID
StoreIPSettings(
    HWND hDlgCtrl,
    TcpipConfNotifyImpl * This,
    BOOL bSubmask)
{
    WCHAR szBuffer[30];
 
    INT iIndex, iCount;
    IP_ADDR *pCur, *pLast;
 
    iCount = ListView_GetItemCount(hDlgCtrl);
    if (!iCount)
    {
        return;
    }
 
    pLast = NULL;
    for(iIndex = 0; iIndex < iCount; iIndex++)
    {
        if (GetListViewItem(hDlgCtrl, iIndex, 0, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
        {
            pCur = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
            if (!pCur)
                break;
            ZeroMemory(pCur, sizeof(IP_ADDR));
 
            szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
            pCur->IpAddress = GetIpAddressFromStringW(szBuffer);
 
            if (GetListViewItem(hDlgCtrl, iIndex, 1, szBuffer, sizeof(szBuffer)/sizeof(WCHAR) ))
            {
                szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                if (bSubmask)
                    pCur->u.Subnetmask = GetIpAddressFromStringW(szBuffer);
                else
                    pCur->u.Metric  = _wtoi(szBuffer);
            }
 
            if (!pLast)
            {
                if (bSubmask)
                    This->pCurrentConfig->Ip = pCur;
                else
                    This->pCurrentConfig->Gw = pCur;
            }
            else
            {
                pLast->Next = pCur;
            }
 
            pLast = pCur;
        }
    }
}
 
 
INT_PTR
CALLBACK
TcpipAdvancedIpDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipConfNotifyImpl * This;
    LPPROPSHEETPAGE page;
    INT_PTR res;
    WCHAR szBuffer[200];
    LPPSHNOTIFY lppsn;
    TcpipGwSettings Gw;
    TcpipIpSettings Ip;
 
    LVITEMW li;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            page = (LPPROPSHEETPAGE)lParam;
            This = (TcpipConfNotifyImpl*)page->lParam;
            InitializeTcpipAdvancedIpDlg(hwndDlg, This);
            SetWindowLongPtr(hwndDlg, DWLP_USER, (INT_PTR)This);
            return TRUE;
        case WM_NOTIFY:
            lppsn = (LPPSHNOTIFY) lParam;
            if (lppsn->hdr.code == LVN_ITEMCHANGED)
            {
                LPNMLISTVIEW lplv = (LPNMLISTVIEW)lParam;
                BOOL bEnable;
 
                if (lplv->hdr.idFrom == IDC_IPLIST)
                {
                    This = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
 
                    bEnable = ((lplv->uNewState & LVIS_SELECTED) != 0) &&
                              (!This->pCurrentConfig->DhcpEnabled);
 
                    EnableWindow(GetDlgItem(hwndDlg, IDC_IPMOD), bEnable);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_IPDEL), bEnable);
                }
                else if (lplv->hdr.idFrom == IDC_GWLIST)
                {
                    bEnable = ((lplv->uNewState & LVIS_SELECTED) != 0);
 
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWMOD), bEnable);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_GWDEL), bEnable);
                }
            }
            else if (lppsn->hdr.code == PSN_KILLACTIVE)
            {
                This = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                if (!This->pCurrentConfig->DhcpEnabled && ListView_GetItemCount(GetDlgItem(hwndDlg, IDC_IPLIST)) == 0)
                {
                    DisplayError(IDS_NO_IPADDR_SET, IDS_TCPIP, MB_ICONWARNING);
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, TRUE);
                    return TRUE;
                }
 
                if (IsDlgButtonChecked(hwndDlg, IDC_IFAUTOMETRIC) != BST_CHECKED)
                {
                    UINT val = GetDlgItemInt(hwndDlg, IDC_IFMETRIC, NULL, FALSE);
                    if ((val < 1) || (val > 9999))
                    {
                        DisplayError(IDS_METRIC_RANGE, IDS_TCPIP, MB_ICONWARNING);
                        SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, TRUE);
                        return TRUE;
                    }
                }
            }
            else if (lppsn->hdr.code == PSN_APPLY)
            {
                This = (TcpipConfNotifyImpl*) GetWindowLongPtr(hwndDlg, DWLP_USER);
                FreeIPAddr(This->pCurrentConfig->Gw);
                This->pCurrentConfig->Gw = NULL;
                FreeIPAddr(This->pCurrentConfig->Ip);
                This->pCurrentConfig->Ip = NULL;
                StoreIPSettings(GetDlgItem(hwndDlg, IDC_IPLIST), This, TRUE);
                StoreIPSettings(GetDlgItem(hwndDlg, IDC_GWLIST), This, FALSE);
 
                if (IsDlgButtonChecked(hwndDlg, IDC_IFAUTOMETRIC) == BST_CHECKED)
                    This->pCurrentConfig->Metric = 0;
                else
                    This->pCurrentConfig->Metric = GetDlgItemInt(hwndDlg, IDC_IFMETRIC, NULL, FALSE);
 
                SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
                return TRUE;
            }
            break;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_IFAUTOMETRIC)
            {
                if (IsDlgButtonChecked(hwndDlg, IDC_IFAUTOMETRIC) == BST_CHECKED)
                    EnableWindow(GetDlgItem(hwndDlg, IDC_IFMETRIC), FALSE);
                else
                    EnableWindow(GetDlgItem(hwndDlg, IDC_IFMETRIC), TRUE);
            }
            else if (LOWORD(wParam) == IDC_IPADD)
            {
                Ip.bAdd = TRUE;
                Ip.hDlgCtrl = GetDlgItem(hwndDlg, IDC_IPLIST);
                res = DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPADDIP_DLG), hwndDlg, TcpipAddIpDlg, (LPARAM)&Ip);
                if (res)
                {
                    memset(&li, 0x0, sizeof(LVITEMW));
                    li.mask = LVIF_TEXT | LVIF_PARAM;
                    li.iItem = ListView_GetItemCount(GetDlgItem(hwndDlg, IDC_IPLIST));
                    li.pszText = Ip.szIP;
                    li.iItem = SendDlgItemMessageW(hwndDlg, IDC_IPLIST, LVM_INSERTITEMW, 0, (LPARAM)&li);
                    if (li.iItem  != -1)
                    {
                        li.mask = LVIF_TEXT;
                        li.iSubItem = 1;
                        li.pszText = Ip.szMask;
                        SendDlgItemMessageW(hwndDlg, IDC_IPLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                    }
                }
            }
            else if (LOWORD(wParam) == IDC_IPMOD)
            {
                memset(&li, 0x0, sizeof(LVITEMW));
                li.iItem = GetSelectedItem(GetDlgItem(hwndDlg, IDC_IPLIST));
                if (li.iItem < 0)
                {
                    /* no item selected */
                    DisplayError(IDS_NOITEMSEL, IDS_TCPIP, MB_ICONINFORMATION);
                    SetFocus(GetDlgItem(hwndDlg, IDC_IPLIST));
                    break;
                }
                Ip.bAdd = FALSE;
                Ip.hDlgCtrl = GetDlgItem(hwndDlg, IDC_IPLIST);
                if (GetIPListEntry(GetDlgItem(hwndDlg, IDC_IPLIST), li.iItem, &Ip))
                {
                    res = DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPADDIP_DLG), hwndDlg, TcpipAddIpDlg, (LPARAM)&Ip);
                    if (res)
                    {
                            li.mask = LVIF_TEXT;
                            li.pszText = Ip.szIP;
                            SendDlgItemMessageW(hwndDlg, IDC_IPLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                            li.pszText = Ip.szMask;
                            li.iSubItem = 1;
                            SendDlgItemMessageW(hwndDlg, IDC_IPLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                    }
                }
            }
            else if (LOWORD(wParam) == IDC_IPDEL)
            {
                DeleteItemFromList(GetDlgItem(hwndDlg, IDC_IPLIST));
                break;
            }
            else if (LOWORD(wParam) == IDC_GWADD)
            {
                Gw.bAdd = TRUE;
                Gw.hDlgCtrl = GetDlgItem(hwndDlg, IDC_GWLIST);
                res = DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPGW_DLG), hwndDlg, TcpipAdvGwDlg, (LPARAM)&Gw);
                if (res)
                {
                    memset(&li, 0x0, sizeof(LVITEMW));
                    li.mask = LVIF_TEXT;
                    li.iItem = ListView_GetItemCount(GetDlgItem(hwndDlg, IDC_GWLIST));
                    li.pszText = Gw.szIP;
                    li.iItem = SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_INSERTITEMW, 0, (LPARAM)&li);
                    if (li.iItem >= 0)
                    {
                        if (Gw.Metric)
                        {
                            swprintf(szBuffer, L"%u", Gw.Metric);
                            li.iSubItem = 1;
                            li.pszText = szBuffer;
                            SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                        }
                        else
                        {
                            if (LoadStringW(netcfgx_hInstance, IDS_AUTOMATIC, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                            {
                                szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                                li.iSubItem = 1;
                                li.pszText = szBuffer;
                                SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                            }
                        }
                    }
                }
                break;
            }
            else if (LOWORD(wParam) == IDC_GWMOD)
            {
                memset(&li, 0x0, sizeof(LVITEMW));
                li.iItem = GetSelectedItem(GetDlgItem(hwndDlg, IDC_GWLIST));
                if (li.iItem < 0)
                {
                    /* no item selected */
                    DisplayError(IDS_NOITEMSEL, IDS_TCPIP, MB_ICONINFORMATION);
                    SetFocus(GetDlgItem(hwndDlg, IDC_GWLIST));
                    break;
                }
                if (GetGWListEntry(GetDlgItem(hwndDlg, IDC_GWLIST), li.iItem, &Gw))
                {
                    Gw.bAdd = FALSE;
                    Gw.hDlgCtrl = GetDlgItem(hwndDlg, IDC_GWLIST);
                    res = DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPGW_DLG), hwndDlg, TcpipAdvGwDlg, (LPARAM)&Gw);
                    if (res)
                    {
                        li.mask = LVIF_TEXT;
                        li.pszText = Gw.szIP;
                        (void)SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                        if (Gw.Metric)
                        {
                            swprintf(szBuffer, L"%u", Gw.Metric);
                            li.iSubItem = 1;
                            li.pszText = szBuffer;
                            SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                        }
                        else
                        {
                            if (LoadStringW(netcfgx_hInstance, IDS_AUTOMATIC, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                            {
                                szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                                li.iSubItem = 1;
                                li.pszText = szBuffer;
                                SendDlgItemMessageW(hwndDlg, IDC_GWLIST, LVM_SETITEMW, 0, (LPARAM)&li);
                            }
                        }
                    }
                }
                break;
            }
            else if (LOWORD(wParam) == IDC_GWDEL)
            {
                DeleteItemFromList(GetDlgItem(hwndDlg, IDC_GWLIST));
                break;
            }
            break;
    }
    return FALSE;
}
 
INT_PTR
CALLBACK
TcpipAddDNSDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipDnsSettings * pSettings;
    WCHAR szBuffer[100];
    DWORD dwIpAddr;
    LPNMIPADDRESS lpnmipa;
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            pSettings = (TcpipDnsSettings*)lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)lParam);
            if (!pSettings->bAdd)
            {
                if (LoadStringW(netcfgx_hInstance, IDS_MOD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
                SendDlgItemMessageW(hwndDlg, IDC_IPADDR, WM_SETTEXT, 0, (LPARAM)pSettings->szIP);
                EnableWindow(GetDlgItem(hwndDlg, IDC_OK), TRUE);
            }
            else
            {
                if (LoadStringW(netcfgx_hInstance, IDS_ADD, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
                {
                    szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
                    SendDlgItemMessageW(hwndDlg, IDC_OK, WM_SETTEXT, 0, (LPARAM)szBuffer);
                }
                EnableWindow(GetDlgItem(hwndDlg, IDC_OK), FALSE);
            }
            return TRUE;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDCANCEL)
            {
                EndDialog(hwndDlg, FALSE);
                break;
            }
            else if (LOWORD(wParam) == IDC_OK)
            {
                pSettings = (TcpipDnsSettings*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                SendDlgItemMessageW(hwndDlg, IDC_IPADDR, WM_GETTEXT, 16, (LPARAM)pSettings->szIP);
                if (SendMessageW(pSettings->hDlgCtrl, LB_FINDSTRING, 0, (LPARAM)pSettings->szIP) == LB_ERR)
                {
                    if (pSettings->bAdd)
                        SendMessageW(pSettings->hDlgCtrl, LB_ADDSTRING, 0, (LPARAM)pSettings->szIP);
                    EndDialog(hwndDlg, TRUE);
                    break;
                }
                if (!pSettings->bAdd)
                {
                    EndDialog(hwndDlg, FALSE);
                    break;
                }
                DisplayError(IDS_DUP_SUFFIX, IDS_TCPIP, MB_ICONERROR);
                break;
            }
            break;
        case WM_NOTIFY:
            lpnmipa = (LPNMIPADDRESS) lParam;
            if (lpnmipa->hdr.code == IPN_FIELDCHANGED)
            {
                if (lpnmipa->hdr.idFrom == IDC_IPADDR)
                {
                    if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                        EnableWindow(GetDlgItem(hwndDlg, IDC_OK), TRUE);
                }
            }
            break;
    }
    return FALSE;
}
 
 
 
VOID
InitializeTcpipAdvancedDNSDlg(
    HWND hwndDlg,
    TcpipConfNotifyImpl * This)
{
    WCHAR szBuffer[200];
    LPWSTR pFirst, pSep, pList;
    IP_ADDR * pAddr;
    DWORD dwIpAddr;
 
    /* insert DNS addresses */
    pAddr = This->pCurrentConfig->Ns;
    while(pAddr)
    {
        dwIpAddr = pAddr->IpAddress;
        swprintf(szBuffer, L"%lu.%lu.%lu.%lu",
                 FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
 
        SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_ADDSTRING, 0, (LPARAM)szBuffer);
        pAddr = pAddr->Next;
    }
    SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_SETCURSEL, 0, 0);
 
    if (!This->pCurrentConfig->pDNS)
        return;
 
    if (This->pCurrentConfig->pDNS->RegisterAdapterName)
        CheckDlgButton(hwndDlg, IDC_REGSUFFIX, BST_CHECKED);
    else
        EnableWindow(GetDlgItem(hwndDlg, IDC_USESUFFIX), FALSE);
 
    if (This->pCurrentConfig->pDNS->RegistrationEnabled)
        CheckDlgButton(hwndDlg, IDC_USESUFFIX, BST_CHECKED);
 
    if (This->pCurrentConfig->pDNS->szDomain[0])
        SendDlgItemMessageW(hwndDlg, IDC_SUFFIX, WM_SETTEXT, 0, (LPARAM)szBuffer);
 
    if (This->pCurrentConfig->pDNS->UseDomainNameDevolution)
        CheckDlgButton(hwndDlg, IDC_TOPPRIMSUFFIX, BST_CHECKED);
 
    if (!This->pCurrentConfig->pDNS->szSearchList || (wcslen(This->pCurrentConfig->pDNS->szSearchList) == 0))
    {
        CheckDlgButton(hwndDlg, IDC_PRIMSUFFIX, BST_CHECKED);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXADD), FALSE);
 
        return;
    }
 
    pList = This->pCurrentConfig->pDNS->szSearchList;
    if (wcslen(pList))
    {
        pFirst = pList;
        do
        {
            pSep = wcschr(pFirst, L',');
            if (pSep)
            {
                pSep[0] = L'\0';
                SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_ADDSTRING, 0, (LPARAM)pFirst);
                pFirst = pSep + 1;
                pSep[0] = L',';
            }
            else
            {
                SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_ADDSTRING, 0, (LPARAM)pFirst);
                break;
            }
        }while(TRUE);
 
        EnableWindow(GetDlgItem(hwndDlg, IDC_TOPPRIMSUFFIX), FALSE);
        CheckDlgButton(hwndDlg, IDC_SELSUFFIX, BST_CHECKED);
        SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_SETCURSEL, 0, 0);
    }
}
 
VOID
ToggleUpDown(HWND hwndDlg, HWND hDlgCtrl, UINT UpButton, UINT DownButton, UINT ModButton, UINT DelButton)
{
    LRESULT lResult, lCount;
 
    lResult = SendMessageW(hDlgCtrl, LB_GETCURSEL, 0, 0);
    lCount = SendMessageW(hDlgCtrl, LB_GETCOUNT, 0, 0);
    if (lResult != LB_ERR)
    {
        if (lResult == 0)
            EnableWindow(GetDlgItem(hwndDlg, UpButton), FALSE);
        else
             EnableWindow(GetDlgItem(hwndDlg, UpButton), TRUE);
 
        if (lResult < lCount -1)
             EnableWindow(GetDlgItem(hwndDlg, DownButton), TRUE);
        else
             EnableWindow(GetDlgItem(hwndDlg, DownButton), FALSE);
    }
 
    if (lCount)
    {
        EnableWindow(GetDlgItem(hwndDlg, ModButton), TRUE);
        EnableWindow(GetDlgItem(hwndDlg, DelButton), TRUE);
    }
    else
    {
        EnableWindow(GetDlgItem(hwndDlg, ModButton), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, DelButton), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, UpButton), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, DownButton), FALSE);
    }
}
 
VOID
MoveItem(
    HWND hDlgCtrl,
    INT pos)
{
    WCHAR szBuffer[100];
    LRESULT lResult;
 
    lResult = SendMessageW(hDlgCtrl, LB_GETCURSEL, 0, 0);
    if (lResult != LB_ERR)
    {
        if (SendMessageW(hDlgCtrl, LB_GETTEXTLEN, (WPARAM)lResult, 0) < sizeof(szBuffer)/sizeof(WCHAR) - 1)
        {
            if (SendMessageW(hDlgCtrl, LB_GETTEXT, (WPARAM)lResult, (LPARAM)szBuffer) != LB_ERR)
            {
                SendMessageW(hDlgCtrl, LB_DELETESTRING, (WPARAM)lResult, 0);
                SendMessageW(hDlgCtrl, LB_INSERTSTRING, (WPARAM)lResult + pos, (LPARAM)szBuffer);
                SendMessageW(hDlgCtrl, LB_SETCURSEL, (WPARAM)lResult + pos, 0);
            }
        }
    }
}
VOID
RemoveItem(
    HWND hDlgCtrl)
{
    LRESULT lResult, lCount;
 
    lResult = SendMessageW(hDlgCtrl, LB_GETCURSEL, 0, 0);
    if (lResult != LB_ERR)
    {
        SendMessageW(hDlgCtrl, LB_DELETESTRING, (WPARAM)lResult, 0);
        lCount = SendMessageW(hDlgCtrl, LB_GETCOUNT, 0, 0);
        if (lResult + 1 < lCount)
            SendMessageW(hDlgCtrl, LB_SETCURSEL, (WPARAM)lResult, 0);
        else
            SendMessageW(hDlgCtrl, LB_SETCURSEL, (WPARAM)lCount-1, 0);
    }
}
 
LPWSTR
GetListViewEntries(
    HWND hDlgCtrl)
{
    DWORD dwSize;
    INT iCount, iIndex;
    INT_PTR lResult;
    LPWSTR pszSearchList, pItem;
 
    iCount = SendMessageW(hDlgCtrl, LB_GETCOUNT, 0, 0);
    if (!iCount || iCount == LB_ERR)
        return NULL; //BUGBUG
 
    dwSize = 0;
 
    for (iIndex = 0; iIndex < iCount; iIndex++)
    {
        lResult = SendMessageW(hDlgCtrl, LB_GETTEXTLEN, iIndex, 0);
        if (lResult == LB_ERR)
            return NULL;
 
        dwSize += lResult + 1;
    }
 
    pszSearchList = (LPWSTR)CoTaskMemAlloc((dwSize + 1) * sizeof(WCHAR));
    if (!pszSearchList)
        return NULL;
 
    pItem = pszSearchList;
    for (iIndex = 0; iIndex < iCount; iIndex++)
    {
        lResult = SendMessageW(hDlgCtrl, LB_GETTEXT, iIndex, (LPARAM)pItem);
        if (lResult == LB_ERR)
        {
            CoTaskMemFree(pszSearchList);
            return NULL;
        }
        dwSize -= lResult + 1;
        pItem += wcslen(pItem);
        if (iIndex != iCount -1)
        {
            pItem[0] = L',';
            pItem++;
        }
    }
    pItem[0] = L'\0';
    return pszSearchList;
}
 
VOID
StoreDNSSettings(
    HWND hDlgCtrl,
    TcpipConfNotifyImpl *This)
{
    INT iCount, iIndex;
    WCHAR Ip[16];
    IP_ADDR *pCur, *pLast;
 
    FreeIPAddr(This->pCurrentConfig->Ns);
    This->pCurrentConfig->Ns = NULL;
 
    iCount = SendMessageW(hDlgCtrl, LB_GETCOUNT, 0, 0);
    if (!iCount || iCount == LB_ERR)
    {
        return;
    }
 
    pLast = NULL;
    for(iIndex = 0; iIndex < iCount; iIndex++)
    {
        if (SendMessageW(hDlgCtrl, LB_GETTEXT, iIndex, (LPARAM)Ip) == LB_ERR)
            break;
 
        pCur = CoTaskMemAlloc(sizeof(IP_ADDR));
        if (!pCur)
            break;
        ZeroMemory(pCur, sizeof(IP_ADDR));
        pCur->IpAddress = GetIpAddressFromStringW(Ip);
 
        if (!pLast)
            This->pCurrentConfig->Ns = pCur;
        else
            pLast->Next = pCur;
 
        pLast = pCur;
        pCur = pCur->Next;
    }
}
 
INT_PTR
CALLBACK
TcpipAdvancedDnsDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipConfNotifyImpl * This;
    LPPROPSHEETPAGE page;
    TcpipDnsSettings Dns;
    LRESULT lIndex, lLength;
    TcpipSuffixSettings Suffix;
    LPPSHNOTIFY lppsn;
    WCHAR szSuffix[100];
    WCHAR szFormat[200];
    WCHAR szBuffer[300];
 
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            page = (LPPROPSHEETPAGE)lParam;
            This = (TcpipConfNotifyImpl*)page->lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (INT_PTR)This);
            InitializeTcpipAdvancedDNSDlg(hwndDlg, This);
            ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSADDRLIST), IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
            ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
            return TRUE;
        case WM_NOTIFY:
            lppsn = (LPPSHNOTIFY) lParam;
            if (lppsn->hdr.code == PSN_KILLACTIVE)
            {
                if (IsDlgButtonChecked(hwndDlg, IDC_SELSUFFIX) == BST_CHECKED &&
                    SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_GETCOUNT, 0, 0) == 0)
                {
                    DisplayError(IDS_NO_SUFFIX, IDS_TCPIP, MB_ICONWARNING);
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, TRUE);
                    return TRUE;
                }
                if (SendDlgItemMessageW(hwndDlg, IDC_SUFFIX, WM_GETTEXT, sizeof(szSuffix)/sizeof(WCHAR), (LPARAM)szSuffix))
                {
                    szSuffix[(sizeof(szSuffix)/sizeof(WCHAR))-1] = L'\0';
                    if (VerifyDNSSuffix(szSuffix) == FALSE)
                    {
                        if (LoadStringW(netcfgx_hInstance, IDS_DNS_SUFFIX, szFormat, sizeof(szFormat)/sizeof(WCHAR)))
                        {
                            szFormat[(sizeof(szFormat)/sizeof(WCHAR))-1] = L'\0';
                            swprintf(szBuffer, szFormat, szSuffix);
                            if (LoadStringW(netcfgx_hInstance, IDS_TCPIP, szFormat, sizeof(szFormat)/sizeof(WCHAR)))
                                szFormat[(sizeof(szFormat)/sizeof(WCHAR))-1] = L'\0';
                            else
                                szFormat[0] = L'\0';
 
                            MessageBoxW(hwndDlg, szBuffer, szFormat, MB_ICONWARNING);
                            SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, TRUE);
                            SetFocus(GetDlgItem(hwndDlg, IDC_SUFFIX));
                            return TRUE;
                        }
                    }
                }
            }
            else if (lppsn->hdr.code == PSN_APPLY)
            {
                 This = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                 if (!This->pCurrentConfig->pDNS)
                   break;
 
                 StoreDNSSettings(GetDlgItem(hwndDlg, IDC_DNSADDRLIST), This);
                 if (IsDlgButtonChecked(hwndDlg, IDC_PRIMSUFFIX) == BST_CHECKED)
                 {
                     CoTaskMemFree(This->pCurrentConfig->pDNS->szSearchList);
                     This->pCurrentConfig->pDNS->szSearchList = NULL;
                     if (IsDlgButtonChecked(hwndDlg, IDC_TOPPRIMSUFFIX) == BST_CHECKED)
                         This->pCurrentConfig->pDNS->UseDomainNameDevolution = TRUE;
                     else
                         This->pCurrentConfig->pDNS->UseDomainNameDevolution = FALSE;
                 }
                 else
                 {
                     CoTaskMemFree(This->pCurrentConfig->pDNS->szSearchList);
                     This->pCurrentConfig->pDNS->szSearchList = NULL;
                     This->pCurrentConfig->pDNS->UseDomainNameDevolution = FALSE;
                     This->pCurrentConfig->pDNS->szSearchList = GetListViewEntries(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                 }
 
                 if (IsDlgButtonChecked(hwndDlg, IDC_REGSUFFIX) == BST_CHECKED)
                 {
                     This->pCurrentConfig->pDNS->RegisterAdapterName = TRUE;
                     if (IsDlgButtonChecked(hwndDlg, IDC_USESUFFIX) == BST_CHECKED)
                         This->pCurrentConfig->pDNS->RegistrationEnabled = TRUE;
                     else
                         This->pCurrentConfig->pDNS->RegistrationEnabled = FALSE;
                 }
                 else
                 {
                     This->pCurrentConfig->pDNS->RegisterAdapterName = FALSE;
                     This->pCurrentConfig->pDNS->RegistrationEnabled = FALSE;
                 }
            }
            break;
        case WM_COMMAND:
            if (LOWORD(wParam) == IDC_DNSADDRLIST && HIWORD(wParam) == LBN_SELCHANGE)
            {
                ToggleUpDown(hwndDlg, (HWND)lParam, IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXLIST && HIWORD(wParam) == LBN_SELCHANGE)
            {
                ToggleUpDown(hwndDlg, (HWND)lParam, IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_PRIMSUFFIX && HIWORD(wParam) == BN_CLICKED)
            {
                if (SendMessageW((HWND)lParam, BM_GETCHECK, 0, 0) == BST_CHECKED)
                {
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXUP), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXDOWN), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXADD), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXMOD), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXDEL), FALSE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_TOPPRIMSUFFIX), TRUE);
                    SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_RESETCONTENT, 0, 0);
                    PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                }
            }
            else if (LOWORD(wParam) == IDC_SELSUFFIX && HIWORD(wParam) == BN_CLICKED)
            {
                if (SendMessageW((HWND)lParam, BM_GETCHECK, 0, 0) == BST_CHECKED)
                {
                    EnableWindow(GetDlgItem(hwndDlg, IDC_DNSSUFFIXADD), TRUE);
                    EnableWindow(GetDlgItem(hwndDlg, IDC_TOPPRIMSUFFIX), FALSE);
                    ToggleUpDown(hwndDlg, (HWND)lParam, IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                    PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                }
                break;
            }
            else if (LOWORD(wParam) == IDC_REGSUFFIX && HIWORD(wParam) == BN_CLICKED)
            {
                if (SendMessageW((HWND)lParam, BM_GETCHECK, 0, 0) == BST_CHECKED)
                    EnableWindow(GetDlgItem(hwndDlg, IDC_USESUFFIX), TRUE);
                else
                    EnableWindow(GetDlgItem(hwndDlg, IDC_USESUFFIX), FALSE);
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
            }
            else if (LOWORD(wParam) == IDC_DNSADDRUP && HIWORD(wParam) == BN_CLICKED)
            {
                MoveItem(GetDlgItem(hwndDlg, IDC_DNSADDRLIST), -1);
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSADDRLIST), IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSADDRLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSADDRDOWN && HIWORD(wParam) == BN_CLICKED)
            {
                MoveItem(GetDlgItem(hwndDlg, IDC_DNSADDRLIST), 1);
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSADDRLIST), IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSADDRLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXUP && HIWORD(wParam) == BN_CLICKED)
            {
                MoveItem(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), -1);
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXDOWN && HIWORD(wParam) == BN_CLICKED)
            {
                MoveItem(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), 1);
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSADDRDEL && HIWORD(wParam) == BN_CLICKED)
            {
                RemoveItem(GetDlgItem(hwndDlg, IDC_DNSADDRLIST));
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSADDRLIST), IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSADDRLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXDEL && HIWORD(wParam) == BN_CLICKED)
            {
                RemoveItem(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                SetFocus(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSADDRADD && HIWORD(wParam) == BN_CLICKED)
            {
                 Dns.bAdd = TRUE;
                 Dns.hDlgCtrl = GetDlgItem(hwndDlg, IDC_DNSADDRLIST);
                 if (DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPDNS_DLG), NULL, TcpipAddDNSDlg, (LPARAM)&Dns))
                 {
                     ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSADDRLIST), IDC_DNSADDRUP, IDC_DNSADDRDOWN, IDC_DNSADDRMOD, IDC_DNSADDRDEL);
                     PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                 }
                 break;
            }
            else if (LOWORD(wParam) == IDC_DNSADDRMOD && HIWORD(wParam) == BN_CLICKED)
            {
                 lIndex = SendDlgItemMessage(hwndDlg, IDC_DNSADDRLIST, LB_GETCURSEL, 0, 0);
                 if (lIndex != LB_ERR)
                 {
                     Dns.bAdd = FALSE;
                     Dns.hDlgCtrl = GetDlgItem(hwndDlg, IDC_DNSADDRLIST);
                     SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_GETTEXT, (WPARAM)lIndex, (LPARAM)Dns.szIP);
                     if (DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPDNS_DLG), NULL, TcpipAddDNSDlg, (LPARAM)&Dns))
                     {
                         SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_DELETESTRING, lIndex, 0);
                         SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_INSERTSTRING, lIndex, (LPARAM)Dns.szIP);
                         SendDlgItemMessageW(hwndDlg, IDC_DNSADDRLIST, LB_SETCURSEL, lIndex, 0);
                         SetFocus(GetDlgItem(hwndDlg, IDC_DNSADDRLIST));
                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                     }
                 }
                 break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXADD && HIWORD(wParam) == BN_CLICKED)
            {
                Suffix.bAdd = TRUE;
                Suffix.hDlgCtrl = GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST);
                Suffix.Suffix = NULL;
                if (DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPSUFFIX_DLG), NULL, TcpipAddSuffixDlg, (LPARAM)&Suffix))
                {
                    ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                    lIndex = SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_ADDSTRING, 0, (LPARAM)Suffix.Suffix);
                    if (lIndex != LB_ERR)
                        SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_SETCURSEL, lIndex, 0);
                    SetFocus(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                    PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                    CoTaskMemFree(Suffix.Suffix);
                }
                break;
            }
            else if (LOWORD(wParam) == IDC_DNSSUFFIXMOD && HIWORD(wParam) == BN_CLICKED)
            {
                lIndex = SendDlgItemMessage(hwndDlg, IDC_DNSSUFFIXLIST, LB_GETCURSEL, 0, 0);
                if (lIndex != LB_ERR)
                {
                    Suffix.bAdd = FALSE;
                    Suffix.hDlgCtrl = GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST);
                    lLength = SendMessageW(Suffix.hDlgCtrl, LB_GETTEXTLEN, lIndex, 0);
                    if (lLength != LB_ERR)
                    {
                        Suffix.Suffix = (LPWSTR)CoTaskMemAlloc((lLength + 1) * sizeof(WCHAR));
                        if (Suffix.Suffix)
                        {
                            SendMessageW(Suffix.hDlgCtrl, LB_GETTEXT, lIndex, (LPARAM)Suffix.Suffix);
                            Suffix.Suffix[lLength] = L'\0';
                            if (DialogBoxParamW(netcfgx_hInstance, MAKEINTRESOURCEW(IDD_TCPIPSUFFIX_DLG), NULL, TcpipAddSuffixDlg, (LPARAM)&Suffix))
                            {
                                if (Suffix.Suffix)
                                {
                                    SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_DELETESTRING, lIndex, 0);
                                    SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_INSERTSTRING, lIndex, (LPARAM)Suffix.Suffix);
                                    SendDlgItemMessageW(hwndDlg, IDC_DNSSUFFIXLIST, LB_SETCURSEL, lIndex, 0);
                                    SetFocus(GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST));
                                    CoTaskMemFree(Suffix.Suffix);
                                }
                                ToggleUpDown(hwndDlg, GetDlgItem(hwndDlg, IDC_DNSSUFFIXLIST), IDC_DNSSUFFIXUP, IDC_DNSSUFFIXDOWN, IDC_DNSSUFFIXMOD, IDC_DNSSUFFIXDEL);
                                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                            }
                        }
                    }
                 }
                 break;
            }
    }
    return FALSE;
}
 
static int CALLBACK
PropSheetProc(HWND hwndDlg, UINT uMsg, LPARAM lParam)
{
    // NOTE: This callback is needed to set large icon correctly.
    HICON hIcon;
    switch (uMsg)
    {
        case PSCB_INITIALIZED:
        {
            hIcon = LoadIconW(netcfgx_hInstance, MAKEINTRESOURCEW(IDI_NETWORK));
            SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
            break;
        }
    }
    return 0;
}
 
VOID
LaunchAdvancedTcpipSettings(
    HWND hwndDlg,
    TcpipConfNotifyImpl * This)
{
    PROPSHEETHEADERW pinfo;
    HPROPSHEETPAGE hppages[3];
    WCHAR szBuffer[100];
 
    hppages[0] = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_ADVIP_DLG), TcpipAdvancedIpDlg, (LPARAM)This, NULL);
    hppages[1] = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_ADVDNS_DLG), TcpipAdvancedDnsDlg, (LPARAM)This, NULL);
    hppages[2] = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_ADVOPT_DLG), TcpipAdvancedOptDlg, (LPARAM)This, NULL);
 
 
    if (LoadStringW(netcfgx_hInstance, IDS_TCPIP, szBuffer, sizeof(szBuffer)/sizeof(WCHAR)))
        szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
    else
        szBuffer[0] = L'\0';
 
    ZeroMemory(&pinfo, sizeof(PROPSHEETHEADERW));
    pinfo.dwSize = sizeof(PROPSHEETHEADERW);
    pinfo.dwFlags = PSH_NOCONTEXTHELP | PSH_PROPTITLE | PSH_NOAPPLYNOW |
                    PSH_USEICONID | PSH_USECALLBACK;
    pinfo.u3.phpage = hppages;
    pinfo.nPages = 3;
    pinfo.hwndParent = hwndDlg;
    pinfo.hInstance = netcfgx_hInstance;
    pinfo.pszCaption = szBuffer;
    pinfo.u.pszIcon = MAKEINTRESOURCEW(IDI_NETWORK);
    pinfo.pfnCallback = PropSheetProc;
 
    StoreTcpipBasicSettings(hwndDlg, This, FALSE);
    if (PropertySheetW(&pinfo) > 0)
    {
        InitializeTcpipBasicDlgCtrls(hwndDlg, This->pCurrentConfig);
        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
    }
}
 
INT_PTR
StoreTcpipAlternateSettings(
    HWND hwndDlg,
    TcpipConfNotifyImpl *This,
    BOOL bApply)
{
    DWORD dwAddr;
 
    if (IsDlgButtonChecked(hwndDlg, IDC_ALTSTATIC) == BST_CHECKED)
    {
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) != 4)
        {
            if (bApply)
            {
                DisplayError(IDS_NO_IPADDR_SET, IDS_TCPIP, MB_ICONWARNING);
                SetFocus(GetDlgItem(hwndDlg, IDC_ALTIPADDR));
                return E_FAIL;
            }
        }
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) != 4)
        {
            if (bApply)
                DisplayError(IDS_NO_SUBMASK_SET, IDS_TCPIP, MB_ICONWARNING);
            if (SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            {
                if (dwAddr <= MAKEIPADDRESS(127, 255, 255, 255))
                    dwAddr = MAKEIPADDRESS(255, 0, 0, 0);
                else if (dwAddr <= MAKEIPADDRESS(191, 255, 255, 255))
                    dwAddr = MAKEIPADDRESS(255, 255, 0, 0);
                else if (dwAddr <= MAKEIPADDRESS(223, 255, 255, 255))
                    dwAddr = MAKEIPADDRESS(255, 255, 255, 0);
 
                SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)dwAddr);
            }
            if (bApply)
            {
                SetFocus(GetDlgItem(hwndDlg, IDC_ALTSUBNETMASK));
                return E_FAIL;
            }
        }
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            This->pCurrentConfig->AltConfig.IpAddress = dwAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            This->pCurrentConfig->AltConfig.SubnetMask = dwAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            This->pCurrentConfig->AltConfig.DefaultGateway = dwAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            This->pCurrentConfig->AltConfig.DnsServer1 = dwAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_GETADDRESS, 0, (LPARAM)&dwAddr) == 4)
            This->pCurrentConfig->AltConfig.DnsServer2 = dwAddr;
    }
    else
    {
        ZeroMemory(&This->pCurrentConfig->AltConfig, sizeof(AlternateConfiguration));
    }
 
    return S_OK;
}
 
 
 
HRESULT
InitializeTcpipAltDlgCtrls(
    HWND hwndDlg,
    TcpipSettings *pCurSettings)
{
    SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETRANGE, 0, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    if (pCurSettings->AltConfig.IpAddress == 0)
    {
        CheckRadioButton(hwndDlg, IDC_ALTAPIPA, IDC_ALTSTATIC, IDC_ALTAPIPA);
        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTIPADDR), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTSUBNETMASK), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDEFGATEWAY), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDNS1), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDNS2), FALSE);
    }
    else
    {
        CheckRadioButton(hwndDlg, IDC_ALTAPIPA, IDC_ALTSTATIC, IDC_ALTSTATIC);
 
        /* Set ip address */
        if (pCurSettings->AltConfig.IpAddress)
            SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->AltConfig.IpAddress);
 
        /* Set subnet mask */
        if (pCurSettings->AltConfig.SubnetMask)
            SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->AltConfig.SubnetMask);
 
        /* Set default gateway */
        if (pCurSettings->AltConfig.DefaultGateway)
            SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->AltConfig.DefaultGateway);
 
        /* Set primary dns server */
        if (pCurSettings->AltConfig.DnsServer1)
            SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->AltConfig.DnsServer1);
 
        /* Set secondary dns server */
        if (pCurSettings->AltConfig.DnsServer2)
            SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->AltConfig.DnsServer2);
    }
 
    return S_OK;
}
 
INT_PTR
CALLBACK
TcpipAltConfDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam)
{
    TcpipConfNotifyImpl *This;
    LPPROPSHEETPAGE page;
    LPNMIPADDRESS lpnmipa;
    LPPSHNOTIFY lppsn;
 
    switch (uMsg)
    {
        case WM_INITDIALOG:
        {
            page = (LPPROPSHEETPAGE)lParam;
            This = (TcpipConfNotifyImpl*)page->lParam;
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)This);
            if (This->pCurrentConfig)
                InitializeTcpipAltDlgCtrls(hwndDlg, This->pCurrentConfig);
            return TRUE;
        }
        case WM_NOTIFY:
            lppsn = (LPPSHNOTIFY) lParam;
            lpnmipa = (LPNMIPADDRESS) lParam;
            if (lpnmipa->hdr.code == IPN_FIELDCHANGED)
            {
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                if (lpnmipa->hdr.idFrom == IDC_ALTIPADDR)
                {
                    DWORD dwIpAddr;
 
                    if (SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                    {
                        if (dwIpAddr <= MAKEIPADDRESS(127, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 0, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(191, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(223, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 255, 0));
                     }
                }
            }
            else if (lppsn->hdr.code == PSN_APPLY)
            {
                This = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                if (SUCCEEDED(StoreTcpipAlternateSettings(hwndDlg, This, TRUE)))
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
                else
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
 
                return TRUE;
            }
            break;
 
        case WM_COMMAND:
        {
            switch (LOWORD(wParam))
            {
                case IDC_ALTAPIPA:
                case IDC_ALTSTATIC:
                {
                    if (HIWORD(wParam) == BN_CLICKED)
                    {
                        BOOL bStatic = (IsDlgButtonChecked(hwndDlg, IDC_ALTSTATIC) == BST_CHECKED);
                        if (bStatic)
                        {
                            SendDlgItemMessageW(hwndDlg, IDC_ALTIPADDR, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_ALTSUBNETMASK, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_ALTDEFGATEWAY, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_ALTDNS1, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_ALTDNS2, IPM_CLEARADDRESS, 0, 0);
                        }
 
                        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTIPADDR), bStatic);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTSUBNETMASK), bStatic);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDEFGATEWAY), bStatic);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDNS1), bStatic);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_ALTDNS2), bStatic);
 
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                    }
                    break;
                }
            }
            break;
        }
    }
    return FALSE;
}
 
VOID
AddAlternativeDialog(
    HWND hDlg,
    TcpipConfNotifyImpl * This)
{
    HPROPSHEETPAGE hpage;
 
    hpage = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_ALTCF_DLG), TcpipAltConfDlg, (LPARAM)This, NULL);
    if (!hpage)
        return;
 
    SendMessageW(hDlg, PSM_INSERTPAGE, 1, (LPARAM)hpage);
}
 
INT_PTR
StoreTcpipBasicSettings(
    HWND hwndDlg,
    TcpipConfNotifyImpl * This,
    BOOL bApply)
{
    DWORD dwIpAddr;
 
    if (IsDlgButtonChecked(hwndDlg, IDC_NODHCP) == BST_CHECKED)
    {
        This->pCurrentConfig->DhcpEnabled = FALSE;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) != 4)
        {
            if (bApply)
            {
                DisplayError(IDS_NO_IPADDR_SET, IDS_TCPIP, MB_ICONWARNING);
                SetFocus(GetDlgItem(hwndDlg, IDC_IPADDR));
                return E_FAIL;
            }
        }
        if (!This->pCurrentConfig->Ip)
        {
            This->pCurrentConfig->Ip = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
            if (!This->pCurrentConfig->Ip)
                return E_OUTOFMEMORY;
            ZeroMemory(This->pCurrentConfig->Ip, sizeof(IP_ADDR));
        }
        This->pCurrentConfig->Ip->IpAddress = dwIpAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) != 4)
        {
            if (bApply)
                DisplayError(IDS_NO_SUBMASK_SET, IDS_TCPIP, MB_ICONWARNING);
            if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
            {
                if (dwIpAddr <= MAKEIPADDRESS(127, 255, 255, 255))
                    dwIpAddr = MAKEIPADDRESS(255, 0, 0, 0);
                else if (dwIpAddr <= MAKEIPADDRESS(191, 255, 255, 255))
                    dwIpAddr = MAKEIPADDRESS(255, 255, 0, 0);
                else if (dwIpAddr <= MAKEIPADDRESS(223, 255, 255, 255))
                    dwIpAddr = MAKEIPADDRESS(255, 255, 255, 0);
 
                SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)dwIpAddr);
            }
            if (bApply)
            {
                SetFocus(GetDlgItem(hwndDlg, IDC_SUBNETMASK));
                return E_FAIL;
            }
        }
        /* store subnetmask */
        This->pCurrentConfig->Ip->u.Subnetmask = dwIpAddr;
 
        if (SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
        {
            if (!This->pCurrentConfig->Gw)
            {
                This->pCurrentConfig->Gw = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
                if (!This->pCurrentConfig->Gw)
                    return E_OUTOFMEMORY;
                ZeroMemory(This->pCurrentConfig->Gw, sizeof(IP_ADDR));
            }
 
            /* store default gateway */
            This->pCurrentConfig->Gw->IpAddress = dwIpAddr;
        }
    }
    else
    {
        This->pCurrentConfig->DhcpEnabled = TRUE;
 
        /* Delete all configured ip addresses */
        if (This->pCurrentConfig->Ip)
        {
            IP_ADDR * pNextIp = This->pCurrentConfig->Ip->Next;
            CoTaskMemFree(This->pCurrentConfig->Ip);
            This->pCurrentConfig->Ip = pNextIp;
        }
 
        /* Delete all configured gateway addresses */
        if (This->pCurrentConfig->Gw)
        {
            IP_ADDR * pNextGw = This->pCurrentConfig->Gw->Next;
            CoTaskMemFree(This->pCurrentConfig->Gw);
            This->pCurrentConfig->Gw = pNextGw;
        }
    }
 
    if (IsDlgButtonChecked(hwndDlg, IDC_FIXEDDNS) == BST_CHECKED)
    {
        This->pCurrentConfig->DnsDhcpEnabled = FALSE;
 
        BOOL bSkip = FALSE;
        if (SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
        {
            if (!This->pCurrentConfig->Ns)
            {
                This->pCurrentConfig->Ns = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
                if (!This->pCurrentConfig->Ns)
                    return E_OUTOFMEMORY;
                ZeroMemory(This->pCurrentConfig->Ns, sizeof(IP_ADDR));
            }
            This->pCurrentConfig->Ns->IpAddress = dwIpAddr;
        }
        else if (This->pCurrentConfig->Ns)
        {
            IP_ADDR *pTemp = This->pCurrentConfig->Ns->Next;
 
            CoTaskMemFree(This->pCurrentConfig->Ns);
            This->pCurrentConfig->Ns = pTemp;
            bSkip = TRUE;
        }
 
        if (SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
        {
            if (!This->pCurrentConfig->Ns || bSkip)
            {
                if (!This->pCurrentConfig->Ns)
                {
                    This->pCurrentConfig->Ns = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
                    if (!This->pCurrentConfig->Ns)
                        return E_OUTOFMEMORY;
                    ZeroMemory(This->pCurrentConfig->Ns, sizeof(IP_ADDR));
                }
                This->pCurrentConfig->Ns->IpAddress = dwIpAddr;
            }
            else if (!This->pCurrentConfig->Ns->Next)
            {
                This->pCurrentConfig->Ns->Next = (IP_ADDR*)CoTaskMemAlloc(sizeof(IP_ADDR));
                if (!This->pCurrentConfig->Ns->Next)
                   return E_OUTOFMEMORY;
                ZeroMemory(This->pCurrentConfig->Ns->Next, sizeof(IP_ADDR));
                This->pCurrentConfig->Ns->Next->IpAddress = dwIpAddr;
            }
            else
            {
                This->pCurrentConfig->Ns->Next->IpAddress = dwIpAddr;
            }
        }
        else
        {
            if (This->pCurrentConfig->Ns && This->pCurrentConfig->Ns->Next)
            {
                if (This->pCurrentConfig->Ns->Next->Next)
                {
                    IP_ADDR *pTemp = This->pCurrentConfig->Ns->Next->Next;
                    CoTaskMemFree(This->pCurrentConfig->Ns->Next);
                    This->pCurrentConfig->Ns->Next = pTemp;
                }
                else
                {
                    CoTaskMemFree(This->pCurrentConfig->Ns->Next);
                    This->pCurrentConfig->Ns->Next = NULL;
                }
            }
        }
    }
    else
    {
        This->pCurrentConfig->DnsDhcpEnabled = TRUE;
 
        /* Delete all configured name server addresses */
        if (This->pCurrentConfig->Ns)
        {
            IP_ADDR * pNextNs = This->pCurrentConfig->Ns->Next;
            CoTaskMemFree(This->pCurrentConfig->Ns);
            This->pCurrentConfig->Ns = pNextNs;
        }
    }
 
    return S_OK;
}
 
HRESULT
InitializeTcpipBasicDlgCtrls(
    HWND hwndDlg,
    TcpipSettings * pCurSettings)
{
    SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 0, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_SETRANGE, 0, MAKEIPRANGE(1, 223));
    SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_SETRANGE, 1, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_SETRANGE, 2, MAKEIPRANGE(0, 255));
    SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_SETRANGE, 3, MAKEIPRANGE(0, 255));
 
    if (pCurSettings->DhcpEnabled)
    {
        CheckRadioButton(hwndDlg, IDC_USEDHCP, IDC_NODHCP, IDC_USEDHCP);
        EnableWindow(GetDlgItem(hwndDlg, IDC_IPADDR), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_SUBNETMASK), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DEFGATEWAY), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_AUTODNS), TRUE);
    }
    else
    {
        CheckRadioButton(hwndDlg, IDC_USEDHCP, IDC_NODHCP, IDC_NODHCP);
 
        if (pCurSettings->Ip)
        {
            /* set current ip address */
            SendDlgItemMessageA(hwndDlg, IDC_IPADDR, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->Ip->IpAddress);
            /* set current hostmask */
            SendDlgItemMessageA(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->Ip->u.Subnetmask);
        }
 
        if (pCurSettings->Gw && pCurSettings->Gw->IpAddress)
        {
            /* set current gateway */
            SendDlgItemMessageA(hwndDlg, IDC_DEFGATEWAY, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->Gw->IpAddress);
        }
    }
 
    if (pCurSettings->DnsDhcpEnabled)
    {
        CheckRadioButton(hwndDlg, IDC_AUTODNS, IDC_FIXEDDNS, IDC_AUTODNS);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS1), FALSE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS2), FALSE);
    }
    else
    {
        CheckRadioButton(hwndDlg, IDC_AUTODNS, IDC_FIXEDDNS, IDC_FIXEDDNS);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS1), TRUE);
        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS2), TRUE);
        if (pCurSettings->Ns)
        {
            SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->Ns->IpAddress);
            if (pCurSettings->Ns->Next)
            {
                SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_SETADDRESS, 0, (LPARAM)pCurSettings->Ns->Next->IpAddress);
            }
            else
            {
                SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_CLEARADDRESS, 0, 0);
            }
        }
        else
        {
            SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_CLEARADDRESS, 0, 0);
            SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_CLEARADDRESS, 0, 0);
        }
    }
 
    return S_OK;
}
 
HRESULT
CopyIpAddrString(
    IP_ADDR_STRING * pSrc,
    IP_ADDR ** pTarget,
    COPY_TYPE Type,
    LPWSTR szMetric)
{
    IP_ADDR_STRING * pCurrent;
    IP_ADDR *pNew, *pLast;
 
    pCurrent = pSrc;
    pLast = NULL;
 
    while(pCurrent)
    {
        pNew = CoTaskMemAlloc(sizeof(IP_ADDR));
        if (!pNew)
        {
           break;
        }
        ZeroMemory(pNew, sizeof(IP_ADDR));
        pNew->IpAddress = GetIpAddressFromStringA(pCurrent->IpAddress.String);
        if (!pNew->IpAddress)
        {
            CoTaskMemFree(pNew);
            return E_FAIL;
        }
 
       if (Type == SUBMASK)
       {
           pNew->u.Subnetmask = GetIpAddressFromStringA(pCurrent->IpMask.String);
           pNew->NTEContext = pCurrent->Context;
       }
       else if (Type == METRIC)
       {
           if (szMetric && szMetric[0] != L'\0')
           {
               pNew->u.Metric = _wtoi(szMetric);
               szMetric += wcslen(szMetric) + 1;
           }
       }
 
        if (!pLast)
            *pTarget = pNew;
        else
            pLast->Next = pNew;
 
        pLast = pNew;
        pCurrent = pCurrent->Next;
 
    }
    pLast->Next = NULL;
    return S_OK;
}
 
 
 
INT_PTR
CALLBACK
TcpipBasicDlg(
    HWND hwndDlg,
    UINT uMsg,
    WPARAM wParam,
    LPARAM lParam
)
{
    TcpipConfNotifyImpl * This;
    LPPROPSHEETPAGE page;
    LPNMIPADDRESS lpnmipa;
    LPPSHNOTIFY lppsn;
    DWORD dwIpAddr;
 
 
    switch(uMsg)
    {
        case WM_INITDIALOG:
            page = (LPPROPSHEETPAGE)lParam;
            This = (TcpipConfNotifyImpl*)page->lParam;
            if (This->pCurrentConfig)
                InitializeTcpipBasicDlgCtrls(hwndDlg, This->pCurrentConfig);
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)This);
            return TRUE;
        case WM_NOTIFY:
            lppsn = (LPPSHNOTIFY) lParam;
            lpnmipa = (LPNMIPADDRESS) lParam;
            if (lpnmipa->hdr.code == IPN_FIELDCHANGED)
            {
                PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                if (lpnmipa->hdr.idFrom == IDC_IPADDR)
                {
                    if (SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_GETADDRESS, 0, (LPARAM)&dwIpAddr) == 4)
                    {
                        if (dwIpAddr <= MAKEIPADDRESS(127, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 0, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(191, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 0, 0));
                        else if (dwIpAddr <= MAKEIPADDRESS(223, 255, 255, 255))
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_SETADDRESS, 0, (LPARAM)MAKEIPADDRESS(255, 255, 255, 0));
                     }
                }
            }
            else if (lppsn->hdr.code == PSN_APPLY)
            {
                This = (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER);
                if (SUCCEEDED(StoreTcpipBasicSettings(hwndDlg, This, TRUE)))
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
                else
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
 
                return TRUE;
            }
            break;
        case WM_COMMAND:
            if (HIWORD(wParam) == BN_CLICKED)
            {
                switch (LOWORD(wParam))
                {
                    case IDC_USEDHCP:
                        if (SendMessageW(GetParent(hwndDlg), PSM_INDEXTOID, 1, 0) == 0)
                        {
                            PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                            SendDlgItemMessageW(hwndDlg, IDC_IPADDR, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_SUBNETMASK, IPM_CLEARADDRESS, 0, 0);
                            SendDlgItemMessageW(hwndDlg, IDC_DEFGATEWAY, IPM_CLEARADDRESS, 0, 0);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IPADDR), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_SUBNETMASK), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_DEFGATEWAY), FALSE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_AUTODNS), TRUE);
                            AddAlternativeDialog(GetParent(hwndDlg), (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER));
                        }
                        break;
                    case IDC_NODHCP:
                        if (SendMessageW(GetParent(hwndDlg), PSM_INDEXTOID, 1, 0) != 0)
                        {
                            PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_IPADDR), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_SUBNETMASK), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_DEFGATEWAY), TRUE);
                            if (IsDlgButtonChecked(hwndDlg, IDC_AUTODNS) == BST_CHECKED)
                            {
                                CheckDlgButton(hwndDlg, IDC_AUTODNS, BST_UNCHECKED);
                            }
                            EnableWindow(GetDlgItem(hwndDlg, IDC_AUTODNS), FALSE);
                            CheckDlgButton(hwndDlg, IDC_FIXEDDNS, BST_CHECKED);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_DNS1), TRUE);
                            EnableWindow(GetDlgItem(hwndDlg, IDC_DNS2), TRUE);
                            SendMessageW(GetParent(hwndDlg), PSM_REMOVEPAGE, 1, 0);
                        }
                        break;
                    case IDC_AUTODNS:
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        SendDlgItemMessageW(hwndDlg, IDC_DNS1, IPM_CLEARADDRESS, 0, 0);
                        SendDlgItemMessageW(hwndDlg, IDC_DNS2, IPM_CLEARADDRESS, 0, 0);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS1), FALSE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS2), FALSE);
                        break;
                    case IDC_FIXEDDNS:
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS1), TRUE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_DNS2), TRUE);
                        break;
                    case IDC_ADVANCED:
                        LaunchAdvancedTcpipSettings(hwndDlg, (TcpipConfNotifyImpl*)GetWindowLongPtr(hwndDlg, DWLP_USER));
                        break;
                }
                break;
            }
        default:
            break;
 
    }
    return FALSE;
}
 
VOID
FreeFilterSettings(
    TcpFilterSettings *pFilter)
{
    if (pFilter == NULL)
        return;
 
    if (pFilter->szTCPAllowedPorts)
        CoTaskMemFree(pFilter->szTCPAllowedPorts);
 
    if (pFilter->szUDPAllowedPorts)
        CoTaskMemFree(pFilter->szUDPAllowedPorts);
 
    if (pFilter->szRawIPAllowedProtocols)
        CoTaskMemFree(pFilter->szRawIPAllowedProtocols);
 
    CoTaskMemFree(pFilter);
}
 
VOID
FreeDNSSettings(
    TcpipAdvancedDNSDlgSettings *pDNS)
{
    if (pDNS == NULL)
        return;
 
    if (pDNS->szSearchList)
        CoTaskMemFree(pDNS->szSearchList);
 
    CoTaskMemFree(pDNS);
}
 
VOID
FreeSettings(
    TcpipSettings *pSettings)
{
    IP_ADDR *NextIp;
 
    if (pSettings == NULL)
        return;
 
    /* Free IpAdresses */
    while (pSettings->Ip)
    {
        NextIp = pSettings->Ip->Next;
        CoTaskMemFree(pSettings->Ip);
        pSettings->Ip = NextIp;
    }
 
    /* Free NameServers */
    while (pSettings->Ns)
    {
        NextIp = pSettings->Ns->Next;
        CoTaskMemFree(pSettings->Ns);
        pSettings->Ns = NextIp;
    }
 
    /* Free Gateways */
    while (pSettings->Gw)
    {
        NextIp = pSettings->Gw->Next;
        CoTaskMemFree(pSettings->Gw);
        pSettings->Gw = NextIp;
    }
 
    /* Free Filter Settings */
    if (pSettings->pFilter)
        FreeFilterSettings(pSettings->pFilter);
 
    /* Free DNS Settings */
    if (pSettings->pDNS)
        FreeDNSSettings(pSettings->pDNS);
 
    CoTaskMemFree(pSettings);
}
 
 
/***************************************************************
 * INetCfgComponentPropertyUi interface
 */
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnQueryInterface(
    INetCfgComponentPropertyUi *iface,
    REFIID iid,
    LPVOID *ppvObj)
{
    TRACE("INetCfgComponentPropertyUi_fnQueryInterface()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
    return INetCfgComponentControl_QueryInterface((INetCfgComponentControl*)This, iid, ppvObj);
}
 
ULONG
WINAPI
INetCfgComponentPropertyUi_fnAddRef(
    INetCfgComponentPropertyUi *iface)
{
    TRACE("INetCfgComponentPropertyUi_fnAddRef()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
    return INetCfgComponentControl_AddRef((INetCfgComponentControl*)This);
}
 
ULONG
WINAPI
INetCfgComponentPropertyUi_fnRelease(
    INetCfgComponentPropertyUi *iface)
{
    TRACE("INetCfgComponentPropertyUi_fnRelease()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
    return INetCfgComponentControl_Release((INetCfgComponentControl*)This);
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnQueryPropertyUi(
    INetCfgComponentPropertyUi * iface,
    IUnknown *pUnkReserved)
{
    TRACE("INetCfgComponentPropertyUi_fnQueryPropertyUi()\n");
 
    INetLanConnectionUiInfo * pLanInfo;
    HRESULT hr;
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
 
    hr = IUnknown_QueryInterface(pUnkReserved, &IID_INetLanConnectionUiInfo, (LPVOID*)&pLanInfo);
    if (FAILED(hr))
        return hr;
 
    INetLanConnectionUiInfo_GetDeviceGuid(pLanInfo, &This->NetCfgInstanceId);
 
    //FIXME
    // check if tcpip is enabled on that binding */
    IUnknown_Release(pUnkReserved);
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnSetContext(
    INetCfgComponentPropertyUi * iface,
    IUnknown *pUnkReserved)
{
    TRACE("INetCfgComponentPropertyUi_fnSetContext()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
 
    if (!iface || !pUnkReserved)
        return E_POINTER;
 
    This->pUnknown = pUnkReserved;
    return S_OK;
}
 
HRESULT
LoadTcpIpSettings(
    TcpipSettings *pSettings,
    LPOLESTR pAdapterName,
    IP_ADAPTER_INFO *pAdapterInfo,
    IP_PER_ADAPTER_INFO *pPerAdapterInfo)
{
    HKEY hInterfaceKey, hConfigKey;
    WCHAR szBuffer[200];
    DWORD dwSize;
    HRESULT hr = S_OK;
 
 
    pSettings->DhcpEnabled = pAdapterInfo->DhcpEnabled;
    pSettings->Index = pAdapterInfo->Index;
 
    if (!pAdapterInfo->DhcpEnabled)
    {
        CopyIpAddrString(&pAdapterInfo->IpAddressList, &pSettings->Ip, SUBMASK, NULL);
    }
 
    CopyIpAddrString(&pAdapterInfo->GatewayList, &pSettings->Gw, METRIC, NULL);
 
    CopyIpAddrString(&pPerAdapterInfo->DnsServerList, &pSettings->Ns, IPADDR, NULL);
 
    pSettings->DnsDhcpEnabled = (pSettings->DhcpEnabled && (pSettings->Ns == NULL));
 
    _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%s", pAdapterName);
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ, &hInterfaceKey) != ERROR_SUCCESS)
    {
        return E_FAIL;
    }
 
     /* InterfaceMetric */
    dwSize = sizeof(DWORD);
    if (RegQueryValueExW(hInterfaceKey, L"InterfaceMetric", NULL, NULL, (LPBYTE)&pSettings->Metric, &dwSize) != ERROR_SUCCESS)
        pSettings->Metric = 0;
 
 
    /* Read the alternate configuration, if available */
    dwSize = 0;
    RegQueryValueExW(hInterfaceKey, L"ActiveConfigurations", NULL, NULL, NULL, &dwSize);
    if (dwSize)
    {
        _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\DHCP\\Configurations\\Alternate_%s", pAdapterName);
        if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ, &hConfigKey) == ERROR_SUCCESS)
        {
            dwSize = sizeof(AlternateConfiguration);
            RegQueryValueExW(hConfigKey, L"Options", NULL, NULL, (LPBYTE)&pSettings->AltConfig, &dwSize);
            RegCloseKey(hConfigKey);
        }
    }
 
    RegCloseKey(hInterfaceKey);
 
    return hr;
}
 
HRESULT
LoadDNSSettings(
    TcpipSettings *pSettings,
    LPOLESTR pAdapterName)
{
    TcpipAdvancedDNSDlgSettings *pDNS = NULL;
    WCHAR szBuffer[200];
    HKEY hKey;
    DWORD dwSize;
 
    pDNS = (TcpipAdvancedDNSDlgSettings*) CoTaskMemAlloc(sizeof(TcpipAdvancedDNSDlgSettings));
    if (!pDNS)
        return E_FAIL;
 
    ZeroMemory(pDNS, sizeof(TcpipAdvancedDNSDlgSettings));
 
    _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%s", pAdapterName);
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        dwSize = sizeof(DWORD);
        RegQueryValueExW(hKey, L"RegisterAdapterName", NULL, NULL, (LPBYTE)&pDNS->RegisterAdapterName, &dwSize);
 
        dwSize = sizeof(DWORD);
        RegQueryValueExW(hKey, L"RegistrationEnabled", NULL, NULL, (LPBYTE)&pDNS->RegistrationEnabled, &dwSize);
 
        dwSize = sizeof(pDNS->szDomain);
        RegQueryValueExW(hKey, L"Domain", NULL, NULL, (LPBYTE)pDNS->szDomain, &dwSize);
 
        RegCloseKey(hKey);
    }
 
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        dwSize = sizeof(DWORD);
        RegQueryValueExW(hKey, L"UseDomainNameDevolution", NULL, NULL, (LPBYTE)&pDNS->UseDomainNameDevolution, &dwSize);
 
        dwSize = 0;
        if (RegQueryValueExW(hKey, L"SearchList", NULL, NULL, NULL, &dwSize) == ERROR_SUCCESS)
        {
            pDNS->szSearchList = (LPWSTR)CoTaskMemAlloc(dwSize);
            if (pDNS->szSearchList)
            {
                if (RegQueryValueExW(hKey, L"SearchList", NULL, NULL, (LPBYTE)pDNS->szSearchList, &dwSize) != ERROR_SUCCESS)
                {
                    CoTaskMemFree(pDNS->szSearchList);
                    pDNS->szSearchList = NULL;
                }
            }
        }
        RegCloseKey(hKey);
    }
 
    pSettings->pDNS = pDNS;
 
    return S_OK;
}
 
LPWSTR
LoadTcpFilterSettingsFromRegistry(HKEY hKey, LPCWSTR szName, LPDWORD Size)
{
    DWORD dwSize;
    LPWSTR pData;
 
    if (RegQueryValueExW(hKey, szName, NULL, NULL, NULL, &dwSize) != ERROR_SUCCESS)
        return NULL;
 
    pData = (LPWSTR)CoTaskMemAlloc(dwSize);
    if (!pData)
        return NULL;
 
    if (RegQueryValueExW(hKey, szName, NULL, NULL, (LPBYTE)pData, &dwSize) != ERROR_SUCCESS)
    {
        CoTaskMemFree(pData);
        return NULL;
    }
    *Size = dwSize;
    return pData;
}
 
HRESULT
LoadFilterSettings(
    TcpipSettings *pSettings,
    LPOLESTR pAdapterName)
{
    HKEY hKey;
    TcpFilterSettings *pFilter;
    WCHAR szBuffer[200];
    DWORD dwVal, dwSize;
 
    pFilter = (TcpFilterSettings*)CoTaskMemAlloc(sizeof(TcpFilterSettings));
    if (!pFilter)
        return E_FAIL;
 
    ZeroMemory(pFilter, sizeof(TcpFilterSettings));
 
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        dwSize = sizeof(DWORD);
        if (RegQueryValueExW(hKey, L"EnableSecurityFilters", NULL, NULL, (LPBYTE)&dwVal, &dwSize) == ERROR_SUCCESS)
            pFilter->EnableSecurityFilters = dwVal;
        RegCloseKey(hKey);
    }
    else
    {
        pFilter->EnableSecurityFilters = FALSE;
    }
 
    _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%s", pAdapterName);
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        pFilter->szTCPAllowedPorts = LoadTcpFilterSettingsFromRegistry(hKey, L"TCPAllowedPorts", &pFilter->TCPSize);
        pFilter->szUDPAllowedPorts = LoadTcpFilterSettingsFromRegistry(hKey, L"UDPAllowedPorts", &pFilter->UDPSize);
        pFilter->szRawIPAllowedProtocols = LoadTcpFilterSettingsFromRegistry(hKey, L"RawIPAllowedProtocols", &pFilter->IPSize);
        RegCloseKey(hKey);
    }
 
    pSettings->pFilter = pFilter;
 
    return S_OK;
}
 
 
HRESULT
Initialize(TcpipConfNotifyImpl * This)
{
    DWORD dwSize;
    WCHAR szBuffer[50];
    IP_ADAPTER_INFO * pCurrentAdapter;
    IP_ADAPTER_INFO *pInfo = NULL;
    PIP_PER_ADAPTER_INFO pPerAdapterInfo = NULL;
    LPOLESTR pAdapterName = NULL;
    HRESULT hr;
    BOOL bFound;
    TcpipSettings *pCurrentConfig = NULL, *pOldConfig = NULL;
    ULONG uLength;
 
    if (This->pCurrentConfig)
        return S_OK;
 
    hr = StringFromCLSID(&This->NetCfgInstanceId, &pAdapterName);
    if (FAILED(hr))
        return hr;
 
    dwSize = 0;
    if (GetAdaptersInfo(NULL, &dwSize) != ERROR_BUFFER_OVERFLOW)
    {
        CoTaskMemFree(pAdapterName);
        return E_FAIL;
    }
 
    pInfo = CoTaskMemAlloc(dwSize);
    if (!pInfo)
    {
        CoTaskMemFree(pAdapterName);
        return E_FAIL;
    }
 
    if (GetAdaptersInfo(pInfo, &dwSize) != ERROR_SUCCESS)
    {
        CoTaskMemFree(pAdapterName);
        CoTaskMemFree(pInfo);
        return E_FAIL;
    }
 
    pCurrentAdapter = pInfo;
    bFound = FALSE;
    while(pCurrentAdapter)
    {
        szBuffer[0] = L'\0';
        if (MultiByteToWideChar(CP_ACP, 0, pCurrentAdapter->AdapterName, -1, szBuffer, sizeof(szBuffer)/sizeof(szBuffer[0])))
        {
            szBuffer[(sizeof(szBuffer)/sizeof(WCHAR))-1] = L'\0';
        }
        if (!_wcsicmp(szBuffer, pAdapterName))
        {
            bFound = TRUE;
            break;
        }
        pCurrentAdapter = pCurrentAdapter->Next;
    }
 
    if (!bFound)
    {
        CoTaskMemFree(pAdapterName);
        CoTaskMemFree(pInfo);
        return E_FAIL;
    }
 
    pPerAdapterInfo = (PIP_PER_ADAPTER_INFO)CoTaskMemAlloc(sizeof(IP_PER_ADAPTER_INFO));
    ZeroMemory(pPerAdapterInfo, sizeof(IP_PER_ADAPTER_INFO));
 
    if (GetPerAdapterInfo(pCurrentAdapter->Index, pPerAdapterInfo, &uLength) == ERROR_BUFFER_OVERFLOW)
    {
        CoTaskMemFree(pPerAdapterInfo);
        pPerAdapterInfo = (PIP_PER_ADAPTER_INFO)CoTaskMemAlloc(uLength);
        if (pPerAdapterInfo)
        {
            ZeroMemory(pPerAdapterInfo, uLength);
            GetPerAdapterInfo(pCurrentAdapter->Index, pPerAdapterInfo, &uLength);
        }
    }
 
    pCurrentConfig = CoTaskMemAlloc(sizeof(TcpipSettings));
    if (!pCurrentConfig)
    {
        hr = E_FAIL;
        goto done;
    }
 
    ZeroMemory(pCurrentConfig, sizeof(TcpipSettings));
 
    pOldConfig = CoTaskMemAlloc(sizeof(TcpipSettings));
    if (!pOldConfig)
    {
        hr = E_FAIL;
        goto done;
    }
 
    ZeroMemory(pOldConfig, sizeof(TcpipSettings));
 
    hr = LoadTcpIpSettings(pCurrentConfig, pAdapterName, pCurrentAdapter, pPerAdapterInfo);
    if (FAILED(hr))
        goto done;
 
    hr = LoadFilterSettings(pCurrentConfig, pAdapterName);
    if (FAILED(hr))
        goto done;
 
    hr = LoadDNSSettings(pCurrentConfig, pAdapterName);
    if (FAILED(hr))
        goto done;
 
    hr = LoadTcpIpSettings(pOldConfig, pAdapterName, pCurrentAdapter, pPerAdapterInfo);
    if (FAILED(hr))
        goto done;
 
    hr = LoadFilterSettings(pOldConfig, pAdapterName);
    if (FAILED(hr))
        goto done;
 
    hr = LoadDNSSettings(pOldConfig, pAdapterName);
    if (FAILED(hr))
        goto done;
 
done:
    if (pPerAdapterInfo)
        CoTaskMemFree(pPerAdapterInfo);
 
    CoTaskMemFree(pInfo);
 
    if (pAdapterName)
        CoTaskMemFree(pAdapterName);
 
    if (FAILED(hr))
    {
        if (pCurrentConfig)
            FreeSettings(pCurrentConfig);
 
        if (pOldConfig)
            FreeSettings(pOldConfig);
    }
    else
    {
        This->pCurrentConfig = pCurrentConfig;
        This->pOldConfig = pOldConfig;
    }
 
    return hr;
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnMergePropPages(
    INetCfgComponentPropertyUi * iface,
    DWORD *pdwDefPages,
    BYTE **pahpspPrivate,
    UINT *pcPages,
    HWND hwndParent,
    LPCWSTR *pszStartPage)
{
    TRACE("INetCfgComponentPropertyUi_fnMergePropPages()\n");
    HPROPSHEETPAGE * hppages;
    UINT NumPages;
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentPropertyUi(iface);
 
    if (This->pCurrentConfig->DhcpEnabled)
        NumPages = 2;
    else
        NumPages = 1;
 
    hppages = (HPROPSHEETPAGE*) CoTaskMemAlloc(sizeof(HPROPSHEETPAGE) * NumPages);
    if (!hppages)
        return E_FAIL;
 
    hppages[0] = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_BASIC_DLG), TcpipBasicDlg, (LPARAM)This, NULL);
    if (!hppages[0])
    {
        CoTaskMemFree(hppages);
        return E_FAIL;
    }
    if (NumPages == 2)
    {
        hppages[1] = InitializePropertySheetPage(MAKEINTRESOURCEW(IDD_TCPIP_ALTCF_DLG), TcpipAltConfDlg, (LPARAM)This, NULL);
        if (!hppages[1])
        {
            DestroyPropertySheetPage(hppages[0]);
            CoTaskMemFree(hppages);
            return E_FAIL;
        }
    }
 
    *pahpspPrivate = (BYTE*)hppages;
    *pcPages = NumPages;
 
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnValidateProperties(
    INetCfgComponentPropertyUi * iface,
    HWND hwndDlg)
{
    TRACE("INetCfgComponentPropertyUi_fnValidateProperties()\n");
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnApplyProperties(
    INetCfgComponentPropertyUi * iface)
{
    TRACE("INetCfgComponentPropertyUi_fnApplyProperties()\n");
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentPropertyUi_fnCancelProperties(
    INetCfgComponentPropertyUi * iface)
{
    TRACE("INetCfgComponentPropertyUi_fnCancelProperties()\n");
    return S_OK;
}
 
static const INetCfgComponentPropertyUiVtbl vt_NetCfgComponentPropertyUi =
{
    INetCfgComponentPropertyUi_fnQueryInterface,
    INetCfgComponentPropertyUi_fnAddRef,
    INetCfgComponentPropertyUi_fnRelease,
    INetCfgComponentPropertyUi_fnQueryPropertyUi,
    INetCfgComponentPropertyUi_fnSetContext,
    INetCfgComponentPropertyUi_fnMergePropPages,
    INetCfgComponentPropertyUi_fnValidateProperties,
    INetCfgComponentPropertyUi_fnApplyProperties,
    INetCfgComponentPropertyUi_fnCancelProperties
};
 
/***************************************************************
 * INetCfgComponentControl interface
 */
 
HRESULT
WINAPI
INetCfgComponentControl_fnQueryInterface(
    INetCfgComponentControl *iface,
    REFIID iid,
    LPVOID *ppvObj)
{
    TRACE("INetCfgComponentControl_fnQueryInterface()\n");
    TcpipConfNotifyImpl *This = (TcpipConfNotifyImpl*)iface;
 
    *ppvObj = NULL;
 
    if (IsEqualIID (iid, &IID_IUnknown) ||
        IsEqualIID (iid, &IID_INetCfgComponentControl))
    {
        *ppvObj = This;
        INetCfgComponentControl_AddRef(iface);
        return S_OK;
    }
    else if (IsEqualIID(iid, &IID_INetCfgComponentPropertyUi))
    {
        *ppvObj = (LPVOID*)&This->lpVtblCompPropertyUi;
        INetCfgComponentControl_AddRef(iface);
        return S_OK;
    }
    else if (IsEqualIID(iid, &IID_INetCfgComponentSetup))
    {
        *ppvObj = (LPVOID*)&This->lpVtblCompSetup;
        INetCfgComponentControl_AddRef(iface);
        return S_OK;
    }
 
    return E_NOINTERFACE;
}
 
ULONG
WINAPI
INetCfgComponentControl_fnAddRef(
    INetCfgComponentControl *iface)
{
    TRACE("INetCfgComponentControl_fnAddRef()\n");
    TcpipConfNotifyImpl *This = (TcpipConfNotifyImpl*)iface;
    ULONG refCount = InterlockedIncrement(&This->ref);
 
    return refCount;
}
 
ULONG
WINAPI
INetCfgComponentControl_fnRelease(
    INetCfgComponentControl *iface)
{
    TRACE("INetCfgComponentControl_fnRelease()\n");
    TcpipConfNotifyImpl * This = (TcpipConfNotifyImpl*)iface;
    ULONG refCount = InterlockedDecrement(&This->ref);
 
    if (!refCount)
    {
        if (This->pCurrentConfig)
            FreeSettings(This->pCurrentConfig);
        if (This->pOldConfig)
            FreeSettings(This->pOldConfig);
        CoTaskMemFree(This);
    }
    return refCount;
}
 
HRESULT
WINAPI
INetCfgComponentControl_fnInitialize(
    INetCfgComponentControl *iface,
    INetCfgComponent *pIComp,
    INetCfg *pINetCfg,
    BOOL fInstalling)
{
    TRACE("INetCfgComponentControl_fnInitialize()\n");
    TcpipConfNotifyImpl * This = (TcpipConfNotifyImpl*)iface;
    HRESULT hr;
 
    This->pNCfg = pINetCfg;
    This->pNComp = pIComp;
 
    hr = Initialize(This);
    if (FAILED(hr))
    {
        ERR("INetCfgComponentControl_fnInitialize failed\n");
        return hr;
    }
 
    TRACE("INetCfgComponentControl_fnInitialize success\n");
 
    return S_OK;
}
 
static
LPWSTR
CreateMultiSzString(IP_ADDR * pAddr, COPY_TYPE Type, LPDWORD Size, BOOL bComma)
{
    LPWSTR pStr, pRet;
    DWORD dwSize, dwIpAddr;
    WCHAR szBuffer[30];
    IP_ADDR *pTemp = pAddr;
 
 
    dwSize = 0;
    while(pTemp)
    {
        if (Type == IPADDR)
        {
            dwIpAddr = pTemp->IpAddress;
            swprintf(szBuffer, L"%lu.%lu.%lu.%lu",
                    FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
        }else if (Type == SUBMASK)
        {
            dwIpAddr = pTemp->u.Subnetmask;
            swprintf(szBuffer, L"%lu.%lu.%lu.%lu",
                    FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
        }
        else if (Type == METRIC)
        {
            swprintf(szBuffer, L"%u", pTemp->u.Metric);
        }
 
        dwSize += wcslen(szBuffer) + 1;
        pTemp = pTemp->Next;
    }
 
    if (!dwSize)
        return NULL;
 
    pStr = pRet = CoTaskMemAlloc((dwSize+1) * sizeof(WCHAR));
    if(!pStr)
       return NULL;
 
    pTemp = pAddr;
    while(pTemp)
    {
        if (Type == IPADDR)
        {
            dwIpAddr = pTemp->IpAddress;
            swprintf(pStr, L"%lu.%lu.%lu.%lu",
                    FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
        }else if (Type == SUBMASK)
        {
            dwIpAddr = pTemp->u.Subnetmask;
            swprintf(pStr, L"%lu.%lu.%lu.%lu",
                    FIRST_IPADDRESS(dwIpAddr), SECOND_IPADDRESS(dwIpAddr), THIRD_IPADDRESS(dwIpAddr), FOURTH_IPADDRESS(dwIpAddr));
        }
        else if (Type == METRIC)
        {
            swprintf(pStr, L"%u", pTemp->u.Metric);
        }
 
        if (bComma)
        {
            pStr += wcslen(pStr);
            if (pTemp->Next)
            {
                pStr[0] = L',';
                pStr++;
            }
        }
        else
        {
            pStr += wcslen(pStr) + 1;
        }
        pTemp = pTemp->Next;
    }
    pStr[0] = L'\0';
    *Size = (dwSize+1) * sizeof(WCHAR);
    return pRet;
}
 
 
HRESULT
WINAPI
INetCfgComponentControl_fnApplyRegistryChanges(
    INetCfgComponentControl * iface)
{
    HKEY hKey;
    LPOLESTR pStr, pAdapterName;
    DWORD dwSize;
    WCHAR szBuffer[200];
    TcpipSettings *pCurrentConfig, *pOldConfig;
 
    TRACE("INetCfgComponentControl_fnApplyRegistryChanges()\n");
 
    TcpipConfNotifyImpl * This = (TcpipConfNotifyImpl*)iface;
 
    pCurrentConfig = This->pCurrentConfig;
    pOldConfig = This->pOldConfig;
 
    if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) == ERROR_SUCCESS)
    {
        if (pCurrentConfig->pDNS)
        {
            RegSetValueExW(hKey, L"UseDomainNameDevolution", 0, REG_DWORD, (LPBYTE)&pCurrentConfig->pDNS->UseDomainNameDevolution, sizeof(DWORD));
            RegSetValueExW(hKey, L"SearchList", 0, REG_SZ, (LPBYTE)pCurrentConfig->pDNS->szSearchList,
                       (wcslen(pCurrentConfig->pDNS->szSearchList)+1) * sizeof(WCHAR));
        }
        if (pCurrentConfig->pFilter)
        {
            RegSetValueExW(hKey, L"EnableSecurityFilters", 0, REG_DWORD,
                      (LPBYTE)&pCurrentConfig->pFilter->EnableSecurityFilters, sizeof(DWORD));
        }
        RegCloseKey(hKey);
    }
 
    if (FAILED(StringFromCLSID(&This->NetCfgInstanceId, &pAdapterName)))
    {
        return E_FAIL;
    }
 
    _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces\\%s", pAdapterName);
 
    if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, NULL, 0, KEY_WRITE, NULL, &hKey, NULL) == ERROR_SUCCESS)
    {
        if (pCurrentConfig->Metric)
            RegSetValueExW(hKey, L"InterfaceMetric", 0, REG_DWORD, (LPBYTE)&This->pCurrentConfig->Metric, sizeof(DWORD));
        else
            RegDeleteValueW(hKey, L"InterfaceMetric");
 
        if (pCurrentConfig->pDNS)
        {
            RegSetValueExW(hKey, L"RegisterAdapterName", 0, REG_DWORD, (LPBYTE)&This->pCurrentConfig->pDNS->RegisterAdapterName, sizeof(DWORD));
            RegSetValueExW(hKey, L"RegistrationEnabled", 0, REG_DWORD, (LPBYTE)&This->pCurrentConfig->pDNS->RegistrationEnabled, sizeof(DWORD));
            RegSetValueExW(hKey, L"Domain", 0, REG_SZ, (LPBYTE)This->pCurrentConfig->pDNS->szDomain,
                       (wcslen(This->pCurrentConfig->pDNS->szDomain)+1) * sizeof(WCHAR));
        }
#if 0
        if (pCurrentConfig->pFilter)
        {
            if (pCurrentConfig->pFilter->szTCPAllowedPorts)
            {
                RegSetValueExW(hKey, L"TCPAllowedPorts", 0, REG_MULTI_SZ,
                       (LPBYTE)pCurrentConfig->pFilter->szTCPAllowedPorts,
                        pCurrentConfig->pFilter->TCPSize);
            }
            if (pCurrentConfig->pFilter->szUDPAllowedPorts)
            {
                RegSetValueExW(hKey, L"UDPAllowedPorts", 0, REG_MULTI_SZ,
                       (LPBYTE)pCurrentConfig->pFilter->szUDPAllowedPorts,
                        pCurrentConfig->pFilter->UDPSize);
            }
            if (pCurrentConfig->pFilter->szRawIPAllowedProtocols)
            {
                RegSetValueExW(hKey, L"RawIPAllowedProtocols", 0, REG_MULTI_SZ,
                       (LPBYTE)pCurrentConfig->pFilter->szRawIPAllowedProtocols,
                        pCurrentConfig->pFilter->IPSize);
            }
        }
#endif
        RegSetValueExW(hKey, L"EnableDHCP", 0, REG_DWORD, (LPBYTE)&pCurrentConfig->DhcpEnabled, sizeof(DWORD));
        if (pCurrentConfig->DhcpEnabled)
        {
            RegSetValueExW(hKey, L"IPAddress", 0, REG_MULTI_SZ, (LPBYTE)L"0.0.0.0\0", 9 * sizeof(WCHAR));
            RegSetValueExW(hKey, L"SubnetMask", 0, REG_MULTI_SZ, (LPBYTE)L"0.0.0.0\0", 9 * sizeof(WCHAR));
        }
        else
        {
            pStr = CreateMultiSzString(pCurrentConfig->Ip, IPADDR, &dwSize, FALSE);
            if(pStr)
            {
                RegSetValueExW(hKey, L"IPAddress", 0, REG_MULTI_SZ, (LPBYTE)pStr, dwSize);
                CoTaskMemFree(pStr);
            }
 
            pStr = CreateMultiSzString(pCurrentConfig->Ip, SUBMASK, &dwSize, FALSE);
            if(pStr)
            {
                RegSetValueExW(hKey, L"SubnetMask", 0, REG_MULTI_SZ, (LPBYTE)pStr, dwSize);
                CoTaskMemFree(pStr);
            }
        }
 
        if (pCurrentConfig->Gw)
        {
            pStr = CreateMultiSzString(pCurrentConfig->Gw, IPADDR, &dwSize, FALSE);
            if(pStr)
            {
                RegSetValueExW(hKey, L"DefaultGateway", 0, REG_MULTI_SZ, (LPBYTE)pStr, dwSize);
                CoTaskMemFree(pStr);
            }
 
            pStr = CreateMultiSzString(pCurrentConfig->Gw, METRIC, &dwSize, FALSE);
            if(pStr)
            {
                RegSetValueExW(hKey, L"DefaultGatewayMetric", 0, REG_MULTI_SZ, (LPBYTE)pStr, dwSize);
                CoTaskMemFree(pStr);
            }
        }
        else
        {
            RegSetValueExW(hKey, L"DefaultGateway", 0, REG_MULTI_SZ, (LPBYTE)L"", 1 * sizeof(WCHAR));
            RegSetValueExW(hKey, L"DefaultGatewayMetric", 0, REG_MULTI_SZ, (LPBYTE)L"\0", sizeof(WCHAR) * 2);
        }
 
        if (!pCurrentConfig->Ns)
        {
            RegDeleteValueW(hKey, L"NameServer");
        }
        else
        {
            pStr = CreateMultiSzString(pCurrentConfig->Ns, IPADDR, &dwSize, TRUE);
            if(pStr)
            {
                RegSetValueExW(hKey, L"NameServer", 0, REG_SZ, (LPBYTE)pStr, dwSize);
                //RegDeleteValueW(hKey, L"DhcpNameServer");
                CoTaskMemFree(pStr);
            }
        }
 
        if (!RtlEqualMemory(&pCurrentConfig->AltConfig, &pOldConfig->AltConfig, sizeof(AlternateConfiguration)))
        {
            if (pCurrentConfig->AltConfig.IpAddress == 0)
            {
                RegDeleteValueW(hKey, L"ActiveConfigurations");
            }
            else
            {
                HKEY hConfigKey;
 
                dwSize = (wcslen(L"Alternate_") + wcslen(pAdapterName) + 2) * sizeof(WCHAR);
                pStr = CoTaskMemAlloc(dwSize);
                if (pStr)
                {
                    ZeroMemory(pStr, dwSize);
                    _swprintf(pStr, L"Alternate_%s", pAdapterName);
                    RegSetValueExW(hKey, L"ActiveConfigurations", 0, REG_MULTI_SZ, (LPBYTE)pStr, dwSize);
                    CoTaskMemFree(pStr);
                }
 
                _swprintf(szBuffer, L"SYSTEM\\CurrentControlSet\\Services\\DHCP\\Configurations\\Alternate_%s", pAdapterName);
                if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, szBuffer, 0, NULL, 0, KEY_WRITE, NULL, &hConfigKey, NULL) == ERROR_SUCCESS)
                {
                    RegSetValueExW(hConfigKey, L"Options", 0, REG_BINARY, (LPBYTE)&pCurrentConfig->AltConfig, sizeof(AlternateConfiguration));
                    RegCloseKey(hConfigKey);
                }
            }
        }
 
        RegCloseKey(hKey);
    }
 
    CoTaskMemFree(pAdapterName);
 
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentControl_fnApplyPnpChanges(
    INetCfgComponentControl *iface,
    INetCfgPnpReconfigCallback *pICallback)
{
    TcpipSettings *pCurrentConfig, *pOldConfig;
    LPOLESTR pAdapterName;
    ULONG NTEInstance;
    DWORD DhcpApiVersion;
    DWORD dwSize;
 
    TRACE("INetCfgComponentControl_fnApplyPnpChanges()\n");
 
    TcpipConfNotifyImpl *This = (TcpipConfNotifyImpl*)iface;
 
    if (FAILED(StringFromCLSID(&This->NetCfgInstanceId, &pAdapterName)))
    {
        return E_FAIL;
    }
 
    pCurrentConfig = This->pCurrentConfig;
    pOldConfig = This->pOldConfig;
 
    if (pCurrentConfig->DhcpEnabled)
    {
        if (!pOldConfig->DhcpEnabled)
        {
            /* Delete this adapter's current IP address */
            DeleteIPAddress(pOldConfig->Ip->NTEContext);
 
            /* Delete all default routes for this adapter */
            dwSize = 0;
            if (GetIpForwardTable(NULL, &dwSize, FALSE) == ERROR_INSUFFICIENT_BUFFER)
            {
                DWORD Index;
                PMIB_IPFORWARDTABLE pIpForwardTable = (PMIB_IPFORWARDTABLE)CoTaskMemAlloc(dwSize);
                if (pIpForwardTable)
                {
                    if (GetIpForwardTable(pIpForwardTable, &dwSize, FALSE) == NO_ERROR)
                    {
                        for (Index = 0; Index < pIpForwardTable->dwNumEntries; Index++)
                        {
                            if (pIpForwardTable->table[Index].dwForwardIfIndex == pOldConfig->Index &&
                                pIpForwardTable->table[Index].dwForwardDest == 0)
                            {
                                DeleteIpForwardEntry(&pIpForwardTable->table[Index]);
                            }
                        }
                    }
                    CoTaskMemFree(pIpForwardTable);
                }
            }
        }
    }
    else
    {
        /* Open the DHCP API if DHCP is enabled */
        if (pOldConfig->DhcpEnabled && DhcpCApiInitialize(&DhcpApiVersion) == NO_ERROR)
        {
            /* We have to tell DHCP about this */
            DhcpStaticRefreshParams(pCurrentConfig->Index,
                                    htonl(pCurrentConfig->Ip->IpAddress),
                                    htonl(pCurrentConfig->Ip->u.Subnetmask));
 
            /* Close the API */
            DhcpCApiCleanup();
        }
        else
        {
            /* Delete this adapter's current static IP address */
            DeleteIPAddress(pOldConfig->Ip->NTEContext);
 
            /* Add the static IP address via the standard IPHLPAPI function */
            AddIPAddress(htonl(pCurrentConfig->Ip->IpAddress),
                         htonl(pCurrentConfig->Ip->u.Subnetmask),
                         pCurrentConfig->Index,
                         &pCurrentConfig->Ip->NTEContext,
                         &NTEInstance);
        }
 
        /* Delete all default routes for this adapter */
        dwSize = 0;
        if (GetIpForwardTable(NULL, &dwSize, FALSE) == ERROR_INSUFFICIENT_BUFFER)
        {
            DWORD Index;
            PMIB_IPFORWARDTABLE pIpForwardTable = (PMIB_IPFORWARDTABLE)CoTaskMemAlloc(dwSize);
            if (pIpForwardTable)
            {
                if (GetIpForwardTable(pIpForwardTable, &dwSize, FALSE) == NO_ERROR)
                {
                    for (Index = 0; Index < pIpForwardTable->dwNumEntries; Index++)
                    {
                        if (pIpForwardTable->table[Index].dwForwardIfIndex == pOldConfig->Index &&
                            pIpForwardTable->table[Index].dwForwardDest == 0)
                        {
                            DeleteIpForwardEntry(&pIpForwardTable->table[Index]);
                        }
                    }
                }
                CoTaskMemFree(pIpForwardTable);
            }
        }
    }
 
    if (pCurrentConfig->Gw)
    {
        MIB_IPFORWARDROW RouterMib;
        ZeroMemory(&RouterMib, sizeof(MIB_IPFORWARDROW));
 
        RouterMib.dwForwardMetric1 = 1;
        RouterMib.dwForwardIfIndex = pOldConfig->Index;
        RouterMib.dwForwardNextHop = htonl(pCurrentConfig->Gw->IpAddress);
 
        //TODO
        // add multiple gw addresses when required
        CreateIpForwardEntry(&RouterMib);
    }
 
 
    /* Notify the DHCP client of the changed alternate configuration */
    if (!RtlEqualMemory(&pCurrentConfig->AltConfig, &pOldConfig->AltConfig, sizeof(AlternateConfiguration)))
    {
        HMODULE hDhcpModule = LoadLibraryW(L"dhcpcsvc.dll");
        if (hDhcpModule)
        {
            PDHCPFALLBACKREFRESHPARAMS pFunc = (PDHCPFALLBACKREFRESHPARAMS)GetProcAddress(hDhcpModule, "DhcpFallbackRefreshParams");
            (pFunc)(pAdapterName);
 
            FreeLibrary(hDhcpModule);
        }
    }
 
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentControl_fnCancelChanges(
    INetCfgComponentControl * iface)
{
    TRACE("INetCfgComponentControl_fnCancelChanges()\n");
    return S_OK;
}
 
static const INetCfgComponentControlVtbl vt_NetCfgComponentControl =
{
    INetCfgComponentControl_fnQueryInterface,
    INetCfgComponentControl_fnAddRef,
    INetCfgComponentControl_fnRelease,
    INetCfgComponentControl_fnInitialize,
    INetCfgComponentControl_fnApplyRegistryChanges,
    INetCfgComponentControl_fnApplyPnpChanges,
    INetCfgComponentControl_fnCancelChanges
};
 
 
/***************************************************************
 * INetCfgComponentSetup interface
 */
 
HRESULT
WINAPI
INetCfgComponentSetup_fnQueryInterface(
    INetCfgComponentSetup *iface,
    REFIID iid,
    LPVOID *ppvObj)
{
    TRACE("INetCfgComponentSetup_fnQueryInterface()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentSetup(iface);
    return INetCfgComponentControl_QueryInterface((INetCfgComponentControl*)This, iid, ppvObj);
}
 
ULONG
WINAPI
INetCfgComponentSetup_fnAddRef(
    INetCfgComponentSetup *iface)
{
    TRACE("INetCfgComponentSetup_fnAddRef()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentSetup(iface);
    return INetCfgComponentControl_AddRef((INetCfgComponentControl*)This);
}
 
ULONG
WINAPI
INetCfgComponentSetup_fnRelease(
    INetCfgComponentSetup *iface)
{
    TRACE("INetCfgComponentSetup_fnRelease()\n");
    TcpipConfNotifyImpl *This = impl_from_INetCfgComponentSetup(iface);
    return INetCfgComponentControl_Release((INetCfgComponentControl*)This);
}
 
HRESULT
WINAPI
INetCfgComponentSetup_fnInstall(
    INetCfgComponentSetup *iface,
    DWORD dwSetupFlags)
{
    TRACE("INetCfgComponentSetup_fnInstall()\n");
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentSetup_fnUpgrade(
    INetCfgComponentSetup *iface,
    DWORD dwSetupFlags,
    DWORD dwUpgradeFromBuildNo)
{
    TRACE("INetCfgComponentSetup_fnUpgrade()\n");
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentSetup_fnReadAnswerFile(
    INetCfgComponentSetup *iface,
    LPCWSTR pszwAnswerFile,
    LPCWSTR pszwAnswerSections)
{
    TRACE("INetCfgComponentSetup_fnReadAnswerFile()\n");
    return S_OK;
}
 
HRESULT
WINAPI
INetCfgComponentSetup_fnRemoving(
    INetCfgComponentSetup *iface)
{
    TRACE("INetCfgComponentSetup_fnRemoving()\n");
    return S_OK;
}
 
static const INetCfgComponentSetupVtbl vt_NetCfgComponentSetup =
{
    INetCfgComponentSetup_fnQueryInterface,
    INetCfgComponentSetup_fnAddRef,
    INetCfgComponentSetup_fnRelease,
    INetCfgComponentSetup_fnInstall,
    INetCfgComponentSetup_fnUpgrade,
    INetCfgComponentSetup_fnReadAnswerFile,
    INetCfgComponentSetup_fnRemoving
};
 
HRESULT
WINAPI
TcpipConfigNotify_Constructor (IUnknown * pUnkOuter, REFIID riid, LPVOID * ppv)
{
    TcpipConfNotifyImpl *This;
 
    if (!ppv)
        return E_POINTER;
 
    This = (TcpipConfNotifyImpl *) CoTaskMemAlloc(sizeof (TcpipConfNotifyImpl));
    if (!This)
        return E_OUTOFMEMORY;
 
    This->ref = 1;
    This->lpVtbl = (const INetCfgComponentControl*)&vt_NetCfgComponentControl;
    This->lpVtblCompPropertyUi = (const INetCfgComponentPropertyUi*)&vt_NetCfgComponentPropertyUi;
    This->lpVtblCompSetup = (const INetCfgComponentSetup*)&vt_NetCfgComponentSetup;
    This->pNCfg = NULL;
    This->pUnknown = NULL;
    This->pNComp = NULL;
    This->pCurrentConfig = NULL;
 
    if (!SUCCEEDED (INetCfgComponentControl_QueryInterface ((INetCfgComponentControl*)This, riid, ppv)))
    {
        INetCfgComponentControl_Release((INetCfgComponentControl*)This);
        return E_NOINTERFACE;
    }
 
    INetCfgComponentControl_Release((INetCfgComponentControl*)This);
    return S_OK;
}