ipconfig.c File Reference

#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <winreg.h>
#include <stdio.h>
#include <tchar.h>
#include <time.h>
#include <iphlpapi.h>
#include "resource.h"

Include dependency graph for ipconfig.c:

Go to the source code of this file.

Macros
#define	GUID_LEN   40

Functions
int	LoadStringAndOem (HINSTANCE hInst, UINT uID, LPTSTR szNode, int byteSize)
LPTSTR	GetNodeTypeName (UINT NodeType)
LPTSTR	GetInterfaceTypeName (UINT InterfaceType)
PTCHAR	PrintMacAddr (PBYTE Mac)
VOID	DoFormatMessage (LONG ErrorCode)
LPTSTR	GetConnectionType (LPTSTR lpClass)
LPTSTR	GetConnectionDescription (LPTSTR lpClass)
VOID	ShowInfo (BOOL bAll)
VOID	Release (LPTSTR Index)
VOID	Renew (LPTSTR Index)
VOID	Usage (VOID)
int	main (int argc, char *argv[])

Variables
HINSTANCE	hInstance
HANDLE	ProcessHeap

Macro Definition Documentation

GUID_LEN

#define GUID_LEN   40

Definition at line 27 of file ipconfig.c.

Function Documentation

DoFormatMessage()

VOID DoFormatMessage

(

LONG

ErrorCode

)

Definition at line 151 of file ipconfig.c.

{
    LPVOID lpMsgBuf;
    //DWORD ErrorCode;

    if (ErrorCode == 0)
        ErrorCode = GetLastError();

    if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
                        FORMAT_MESSAGE_FROM_SYSTEM |
                        FORMAT_MESSAGE_IGNORE_INSERTS,
                      NULL,
                      ErrorCode,
                      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
                      (LPTSTR) &lpMsgBuf,
                      0,
                      NULL))
    {
        _tprintf(_T("%s"), (LPTSTR)lpMsgBuf);
        LocalFree(lpMsgBuf);
    }
}

Referenced by GetConnectionDescription(), Release(), Renew(), and ShowInfo().

GetConnectionDescription()

LPTSTR GetConnectionDescription

(

LPTSTR

lpClass

)

Definition at line 251 of file ipconfig.c.

{
    HKEY hBaseKey = NULL;
    HKEY hClassKey = NULL;
    LPTSTR lpKeyClass = NULL;
    LPTSTR lpConDesc = NULL;
    LPTSTR lpPath = NULL;
    TCHAR szPrePath[] = _T("SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002bE10318}\\");
    DWORD dwType;
    DWORD dwDataSize;
    INT i;

    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                     szPrePath,
                     0,
                     KEY_READ,
                     &hBaseKey) != ERROR_SUCCESS)
    {
        return NULL;
    }

    for (i = 0; ; i++)
    {
        DWORD PathSize;
        LONG Status;
        TCHAR szName[10];
        DWORD NameLen = 9;

        if ((Status = RegEnumKeyEx(hBaseKey,
                                   i,
                                   szName,
                                   &NameLen,
                                   NULL,
                                   NULL,
                                   NULL,
                                   NULL)) != ERROR_SUCCESS)
        {
            if (Status == ERROR_NO_MORE_ITEMS)
            {
                DoFormatMessage(Status);
                lpConDesc = NULL;
                goto CLEANUP;
            }
            else
                continue;
        }

        PathSize = lstrlen(szPrePath) + lstrlen(szName) + 1;
        lpPath = (LPTSTR)HeapAlloc(ProcessHeap,
                                   0,
                                   PathSize * sizeof(TCHAR));
        if (lpPath == NULL)
            goto CLEANUP;

        wsprintf(lpPath, _T("%s%s"), szPrePath, szName);

        //MessageBox(NULL, lpPath, NULL, 0);

        if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                         lpPath,
                         0,
                         KEY_READ,
                         &hClassKey) != ERROR_SUCCESS)
        {
            goto CLEANUP;
        }

        HeapFree(ProcessHeap, 0, lpPath);
        lpPath = NULL;

        if (RegQueryValueEx(hClassKey,
                            _T("NetCfgInstanceId"),
                            NULL,
                            &dwType,
                            NULL,
                            &dwDataSize) == ERROR_SUCCESS)
        {
            lpKeyClass = (LPTSTR)HeapAlloc(ProcessHeap,
                                           0,
                                           dwDataSize);
            if (lpKeyClass == NULL)
                goto CLEANUP;

            if (RegQueryValueEx(hClassKey,
                                _T("NetCfgInstanceId"),
                                NULL,
                                &dwType,
                                (PBYTE)lpKeyClass,
                                &dwDataSize) != ERROR_SUCCESS)
            {
                HeapFree(ProcessHeap, 0, lpKeyClass);
                lpKeyClass = NULL;
                continue;
            }
        }
        else
            continue;

        if (!lstrcmp(lpClass, lpKeyClass))
        {
            HeapFree(ProcessHeap, 0, lpKeyClass);
            lpKeyClass = NULL;

            if (RegQueryValueEx(hClassKey,
                                _T("DriverDesc"),
                                NULL,
                                &dwType,
                                NULL,
                                &dwDataSize) == ERROR_SUCCESS)
            {
                lpConDesc = (LPTSTR)HeapAlloc(ProcessHeap,
                                              0,
                                              dwDataSize);
                if (lpConDesc == NULL)
                    goto CLEANUP;

                if (RegQueryValueEx(hClassKey,
                                    _T("DriverDesc"),
                                    NULL,
                                    &dwType,
                                    (PBYTE)lpConDesc,
                                    &dwDataSize) != ERROR_SUCCESS)
                {
                    HeapFree(ProcessHeap, 0, lpConDesc);
                    lpConDesc = NULL;
                    goto CLEANUP;
                }
            }
            else
            {
                lpConDesc = NULL;
            }

            break;
        }
    }

CLEANUP:
    if (hBaseKey != NULL)
        RegCloseKey(hBaseKey);
    if (hClassKey != NULL)
        RegCloseKey(hClassKey);
    if (lpPath != NULL)
        HeapFree(ProcessHeap, 0, lpPath);
    if (lpKeyClass != NULL)
        HeapFree(ProcessHeap, 0, lpKeyClass);

    return lpConDesc;
}

Referenced by ShowInfo().

GetConnectionType()

LPTSTR GetConnectionType

(

LPTSTR

lpClass

)

Definition at line 175 of file ipconfig.c.

{
    HKEY hKey = NULL;
    LPTSTR ConType = NULL;
    LPTSTR ConTypeTmp = NULL;
    TCHAR Path[256];
    LPTSTR PrePath  = _T("SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\");
    LPTSTR PostPath = _T("\\Connection");
    DWORD PathSize;
    DWORD dwType;
    DWORD dwDataSize;

    /* don't overflow the buffer */
    PathSize = lstrlen(PrePath) + lstrlen(lpClass) + lstrlen(PostPath) + 1;
    if (PathSize >= 255)
        return NULL;

    wsprintf(Path, _T("%s%s%s"), PrePath, lpClass, PostPath);

    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
                     Path,
                     0,
                     KEY_READ,
                     &hKey) == ERROR_SUCCESS)
    {
        if (RegQueryValueEx(hKey,
                            _T("Name"),
                            NULL,
                            &dwType,
                            NULL,
                            &dwDataSize) == ERROR_SUCCESS)
        {
            ConTypeTmp = (LPTSTR)HeapAlloc(ProcessHeap,
                                           0,
                                           dwDataSize);

            if (ConTypeTmp == NULL)
                return NULL;
                                        
            ConType = (LPTSTR)HeapAlloc(ProcessHeap,
                                        0,
                                        dwDataSize);

            if (ConType == NULL)
            {
                HeapFree(ProcessHeap, 0, ConTypeTmp);
                return NULL;
            }

            if (RegQueryValueEx(hKey,
                                _T("Name"),
                                NULL,
                                &dwType,
                                (PBYTE)ConTypeTmp,
                                &dwDataSize) != ERROR_SUCCESS)
            {
                HeapFree(ProcessHeap,
                         0,
                         ConType);

                ConType = NULL;
            }

            if (ConType)
                CharToOem(ConTypeTmp, ConType);
            HeapFree(ProcessHeap, 0, ConTypeTmp);
        }
    }

    if (hKey != NULL)
        RegCloseKey(hKey);

    return ConType;
}

Referenced by ShowInfo().

GetInterfaceTypeName()

LPTSTR GetInterfaceTypeName

(

UINT

InterfaceType

)

Definition at line 88 of file ipconfig.c.

{
    static TCHAR szIntType[25];

    switch (InterfaceType)
    {
        case MIB_IF_TYPE_OTHER:
            if (!LoadStringAndOem(hInstance, IDS_OTHER, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_ETHERNET:
            if (!LoadStringAndOem(hInstance, IDS_ETH, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_TOKENRING:
            if (!LoadStringAndOem(hInstance, IDS_TOKEN, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_FDDI:
            if (!LoadStringAndOem(hInstance, IDS_FDDI, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_PPP:
            if (!LoadStringAndOem(hInstance, IDS_PPP, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_LOOPBACK:
            if (!LoadStringAndOem(hInstance, IDS_LOOP, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        case MIB_IF_TYPE_SLIP:
            if (!LoadStringAndOem(hInstance, IDS_SLIP, szIntType, sizeof(szIntType)))
                return NULL;
            break;

        default:
            if (!LoadStringAndOem(hInstance, IDS_UNKNOWN, szIntType, sizeof(szIntType)))
                return NULL;
            break;
    }

    return szIntType;
}

Referenced by ShowInfo().

GetNodeTypeName()

LPTSTR GetNodeTypeName

(

UINT

NodeType

)

Definition at line 52 of file ipconfig.c.

{
    static TCHAR szNode[14];

    switch (NodeType)
    {
        case 1:
            if (!LoadStringAndOem(hInstance, IDS_BCAST, szNode,  sizeof(szNode)))
                return NULL;
            break;

        case 2:
            if (!LoadStringAndOem(hInstance, IDS_P2P, szNode,  sizeof(szNode)))
                return NULL;
            break;

        case 4:
            if (!LoadStringAndOem(hInstance, IDS_MIXED, szNode,  sizeof(szNode)))
                return NULL;
            break;

        case 8:
            if (!LoadStringAndOem(hInstance, IDS_HYBRID, szNode,  sizeof(szNode)))
                return NULL;
            break;

        default :
            if (!LoadStringAndOem(hInstance, IDS_UNKNOWN, szNode,  sizeof(szNode)))
                return NULL;
            break;
    }

    return szNode;
}

Referenced by ShowInfo().

LoadStringAndOem()

int LoadStringAndOem	(	HINSTANCE	hInst,
		UINT	uID,
		LPTSTR	szNode,
		int	byteSize
	)

Definition at line 32 of file ipconfig.c.

{
    TCHAR *szTmp;
    int res;

    szTmp = (LPTSTR)HeapAlloc(ProcessHeap, 0, byteSize);
    if (szTmp == NULL)
    {
        return 0;
    }

    res = LoadString(hInst, uID, szTmp, byteSize); 
    CharToOem(szTmp, szNode);
    HeapFree(ProcessHeap, 0, szTmp);
    return res;
}

Referenced by GetInterfaceTypeName(), GetNodeTypeName(), and Usage().

main()

int main	(	int argc	,
		char *	argv[]
	)

Definition at line 767 of file ipconfig.c.

{
    BOOL DoUsage=FALSE;
    BOOL DoAll=FALSE;
    BOOL DoRelease=FALSE;
    BOOL DoRenew=FALSE;
    BOOL DoFlushdns=FALSE;
    BOOL DoRegisterdns=FALSE;
    BOOL DoDisplaydns=FALSE;
    BOOL DoShowclassid=FALSE;
    BOOL DoSetclassid=FALSE;

    hInstance = GetModuleHandle(NULL);
    ProcessHeap = GetProcessHeap();

    /* Parse command line for options we have been given. */
    if ((argc > 1) && (argv[1][0]=='/' || argv[1][0]=='-'))
    {
        if (!_tcsicmp(&argv[1][1], _T("?")))
        {
            DoUsage = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("ALL"), _tcslen(&argv[1][1])))
        {
           DoAll = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("RELEASE"), _tcslen(&argv[1][1])))
        {
            DoRelease = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("RENEW"), _tcslen(&argv[1][1])))
        {
            DoRenew = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("FLUSHDNS"), _tcslen(&argv[1][1])))
        {
            DoFlushdns = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("FLUSHREGISTERDNS"), _tcslen(&argv[1][1])))
        {
            DoRegisterdns = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("DISPLAYDNS"), _tcslen(&argv[1][1])))
        {
            DoDisplaydns = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("SHOWCLASSID"), _tcslen(&argv[1][1])))
        {
            DoShowclassid = TRUE;
        }
        else if (!_tcsnicmp(&argv[1][1], _T("SETCLASSID"), _tcslen(&argv[1][1])))
        {
            DoSetclassid = TRUE;
        }
    }

    switch (argc)
    {
        case 1:  /* Default behaviour if no options are given*/
            ShowInfo(FALSE);
            break;
        case 2:  /* Process all the options that take no parameters */
            if (DoUsage)
                Usage();
            else if (DoAll)
                ShowInfo(TRUE);
            else if (DoRelease)
                Release(NULL);
            else if (DoRenew)
                Renew(NULL);
            else if (DoFlushdns)
                _tprintf(_T("\nSorry /flushdns is not implemented yet\n"));
            else if (DoRegisterdns)
                _tprintf(_T("\nSorry /registerdns is not implemented yet\n"));
            else if (DoDisplaydns)
                _tprintf(_T("\nSorry /displaydns is not implemented yet\n"));
            else
                Usage();
            break;
        case 3: /* Process all the options that can have 1 parameter */
            if (DoRelease)
                _tprintf(_T("\nSorry /release [adapter] is not implemented yet\n"));
                //Release(argv[2]);
            else if (DoRenew)
                _tprintf(_T("\nSorry /renew [adapter] is not implemented yet\n"));
            else if (DoShowclassid)
                _tprintf(_T("\nSorry /showclassid adapter is not implemented yet\n"));
            else if (DoSetclassid)
                _tprintf(_T("\nSorry /setclassid adapter is not implemented yet\n"));
            else
                Usage();
            break;
        case 4:  /* Process all the options that can have 2 parameters */
            if (DoSetclassid)
                _tprintf(_T("\nSorry /setclassid adapter [classid]is not implemented yet\n"));
            else
                Usage();
            break;
        default:
            Usage();
    }

    return 0;
}

PrintMacAddr()

PTCHAR PrintMacAddr

(

PBYTE

Mac

)

Definition at line 140 of file ipconfig.c.

{
    static TCHAR MacAddr[20];

    _stprintf(MacAddr, _T("%02x-%02x-%02x-%02x-%02x-%02x"),
        Mac[0], Mac[1], Mac[2], Mac[3], Mac[4],  Mac[5]);

    return MacAddr;
}

Referenced by ShowInfo().

Release()

VOID Release

(

LPTSTR

Index

)

Definition at line 600 of file ipconfig.c.

{
    IP_ADAPTER_INDEX_MAP AdapterInfo;
    DWORD ret;
    DWORD i;

    /* if interface is not given, query GetInterfaceInfo */
    if (Index == NULL)
    {
        PIP_INTERFACE_INFO pInfo = NULL;
        ULONG ulOutBufLen = 0;

        if (GetInterfaceInfo(pInfo, &ulOutBufLen) == ERROR_INSUFFICIENT_BUFFER)
        {
            pInfo = (IP_INTERFACE_INFO *)HeapAlloc(ProcessHeap, 0, ulOutBufLen);
            if (pInfo == NULL)
                return;

            if (GetInterfaceInfo(pInfo, &ulOutBufLen) == NO_ERROR )
            {
                for (i = 0; i < pInfo->NumAdapters; i++)
                {
                    CopyMemory(&AdapterInfo, &pInfo->Adapter[i], sizeof(IP_ADAPTER_INDEX_MAP));
                    _tprintf(_T("name - %ls\n"), pInfo->Adapter[i].Name);

                    /* Call IpReleaseAddress to release the IP address on the specified adapter. */
                    if ((ret = IpReleaseAddress(&AdapterInfo)) != NO_ERROR)
                    {
                        _tprintf(_T("\nAn error occured while releasing interface %ls : \n"), AdapterInfo.Name);
                        DoFormatMessage(ret);
                    }
                }

                HeapFree(ProcessHeap, 0, pInfo);
            }
            else
            {
                DoFormatMessage(0);
                HeapFree(ProcessHeap, 0, pInfo);
                return;
            }
        }
        else
        {
            DoFormatMessage(0);
            return;
        }
    }
    else
    {
        ;
        /* FIXME:
         * we need to be able to release connections by name with support for globbing
         * i.e. ipconfig /release Eth* will release all cards starting with Eth...
         *      ipconfig /release *con* will release all cards with 'con' in their name
         */
    }
}

Referenced by main().

Renew()

VOID Renew

(

LPTSTR

Index

)

Definition at line 662 of file ipconfig.c.

{
    IP_ADAPTER_INDEX_MAP AdapterInfo;
    DWORD i;

    /* if interface is not given, query GetInterfaceInfo */
    if (Index == NULL)
    {
        PIP_INTERFACE_INFO pInfo;
        ULONG ulOutBufLen = 0;

        pInfo = (IP_INTERFACE_INFO *)HeapAlloc(ProcessHeap, 0, sizeof(IP_INTERFACE_INFO));
        if (pInfo == NULL)
        {
            _tprintf(_T("memory allocation error"));
            return;
        }

        /* Make an initial call to GetInterfaceInfo to get
         * the necessary size into the ulOutBufLen variable */
        if (GetInterfaceInfo(pInfo, &ulOutBufLen) == ERROR_INSUFFICIENT_BUFFER)
        {
            HeapFree(ProcessHeap, 0, pInfo);
            pInfo = (IP_INTERFACE_INFO *)HeapAlloc(ProcessHeap, 0, ulOutBufLen);
            if (pInfo == NULL)
            {
                _tprintf(_T("memory allocation error"));
                return;
            }
        }

        /* Make a second call to GetInterfaceInfo to get the actual data we want */
        if (GetInterfaceInfo(pInfo, &ulOutBufLen) == NO_ERROR)
        {
            for (i = 0; i < pInfo->NumAdapters; i++)
            {
                CopyMemory(&AdapterInfo, &pInfo->Adapter[i], sizeof(IP_ADAPTER_INDEX_MAP));
                _tprintf(_T("name - %ls\n"), pInfo->Adapter[i].Name);

                /* Call IpRenewAddress to renew the IP address on the specified adapter. */
                if (IpRenewAddress(&AdapterInfo) != NO_ERROR)
                {
                    _tprintf(_T("\nAn error occured while renew interface %s : "), _T("*name*"));
                    DoFormatMessage(0);
                }
            }
        }
        else
        {
            _tprintf(_T("\nGetInterfaceInfo failed : "));
            DoFormatMessage(0);
        }

        HeapFree(ProcessHeap, 0, pInfo);
    }
    else
    {
        ;
        /* FIXME:
         * we need to be able to renew connections by name with support for globbing
         * i.e. ipconfig /renew Eth* will renew all cards starting with Eth...
         *      ipconfig /renew *con* will renew all cards with 'con' in their name
         */
    }
}

Referenced by main().

ShowInfo()

VOID ShowInfo

(

BOOL

bAll

)

Definition at line 402 of file ipconfig.c.

{
    MIB_IFROW mibEntry;
    PIP_ADAPTER_INFO pAdapterInfo = NULL;
    PIP_ADAPTER_INFO pAdapter = NULL;
    ULONG adaptOutBufLen = 0;
    PFIXED_INFO pFixedInfo = NULL;
    ULONG netOutBufLen = 0;
    PIP_PER_ADAPTER_INFO pPerAdapterInfo = NULL;
    ULONG ulPerAdapterInfoLength = 0;
    ULONG ret = 0;

    /* call GetAdaptersInfo to obtain the adapter info */
    ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
    if (ret == ERROR_BUFFER_OVERFLOW)
    {
        pAdapterInfo = (IP_ADAPTER_INFO *)HeapAlloc(ProcessHeap, 0, adaptOutBufLen);
        if (pAdapterInfo == NULL)
            return;

        ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
        if (ret != NO_ERROR)
        {
            DoFormatMessage(0);
            HeapFree(ProcessHeap, 0, pAdapterInfo);
            return;
        }
    }
    else
    {
        if (ret != ERROR_NO_DATA)
        {
            DoFormatMessage(0);
            return;
        }
    }

    /* call GetNetworkParams to obtain the network info */
    if (GetNetworkParams(pFixedInfo, &netOutBufLen) == ERROR_BUFFER_OVERFLOW)
    {
        pFixedInfo = (FIXED_INFO *)HeapAlloc(ProcessHeap, 0, netOutBufLen);
        if (pFixedInfo == NULL)
        {
            if (pAdapterInfo)
                HeapFree(ProcessHeap, 0, pAdapterInfo);
            return;
        }
        if (GetNetworkParams(pFixedInfo, &netOutBufLen) != NO_ERROR)
        {
            DoFormatMessage(0);
            if (pAdapterInfo)
                HeapFree(ProcessHeap, 0, pAdapterInfo);
            HeapFree(ProcessHeap, 0, pFixedInfo);
            return;
        }
    }
    else
    {
        if (pAdapterInfo)
            HeapFree(ProcessHeap, 0, pAdapterInfo);
        DoFormatMessage(0);
        return;
    }

    pAdapter = pAdapterInfo;

    _tprintf(_T("\nReactOS IP Configuration\n\n"));
    if (bAll)
    {
        _tprintf(_T("\tHost Name . . . . . . . . . . . . : %s\n"), pFixedInfo->HostName);
        _tprintf(_T("\tPrimary DNS Suffix. . . . . . . . : \n"));
        _tprintf(_T("\tNode Type . . . . . . . . . . . . : %s\n"), GetNodeTypeName(pFixedInfo->NodeType));
        if (pFixedInfo->EnableRouting)
            _tprintf(_T("\tIP Routing Enabled. . . . . . . . : Yes\n"));
        else
            _tprintf(_T("\tIP Routing Enabled. . . . . . . . : No\n"));
        if (pAdapter && pAdapter->HaveWins)
            _tprintf(_T("\tWINS Proxy enabled. . . . . . . . : Yes\n"));
        else
            _tprintf(_T("\tWINS Proxy enabled. . . . . . . . : No\n"));
        _tprintf(_T("\tDNS Suffix Search List. . . . . . : %s\n"), pFixedInfo->DomainName);
    }

    while (pAdapter)
    {
        LPTSTR IntType, myConType;
        BOOLEAN bConnected = TRUE;

        mibEntry.dwIndex = pAdapter->Index;
        GetIfEntry(&mibEntry);

        IntType = GetInterfaceTypeName(pAdapter->Type);
        myConType = GetConnectionType(pAdapter->AdapterName);

        _tprintf(_T("\n%s %s: \n\n"), IntType , myConType);

        if (myConType != NULL) HeapFree(ProcessHeap, 0, myConType);

        if (GetPerAdapterInfo(pAdapter->Index, pPerAdapterInfo, &ulPerAdapterInfoLength) == ERROR_BUFFER_OVERFLOW)
        {
            pPerAdapterInfo = (PIP_PER_ADAPTER_INFO)HeapAlloc(ProcessHeap, 0, ulPerAdapterInfoLength);
            if (pPerAdapterInfo != NULL)
            {
                GetPerAdapterInfo(pAdapter->Index, pPerAdapterInfo, &ulPerAdapterInfoLength);
            }
        }

        /* check if the adapter is connected to the media */
        if (mibEntry.dwOperStatus != MIB_IF_OPER_STATUS_CONNECTED && mibEntry.dwOperStatus != MIB_IF_OPER_STATUS_OPERATIONAL)
        {
            bConnected = FALSE;
            _tprintf(_T("\tMedia State . . . . . . . . . . . : Media disconnected\n"));
        }
        else
        {
            _tprintf(_T("\tConnection-specific DNS Suffix. . : %s\n"), pFixedInfo->DomainName);
        }

        if (bAll)
        {
            LPTSTR lpDesc = GetConnectionDescription(pAdapter->AdapterName);
            _tprintf(_T("\tDescription . . . . . . . . . . . : %s\n"), lpDesc);
            HeapFree(ProcessHeap, 0, lpDesc);
            _tprintf(_T("\tPhysical Address. . . . . . . . . : %s\n"), PrintMacAddr(pAdapter->Address));
            if (bConnected)
            {
                if (pAdapter->DhcpEnabled)
                {
                    _tprintf(_T("\tDHCP Enabled. . . . . . . . . . . : Yes\n"));
                    if (pPerAdapterInfo != NULL)
                    {
                        if (pPerAdapterInfo->AutoconfigEnabled)
                            _tprintf(_T("\tAutoconfiguration Enabled . . . . : Yes\n"));
                        else
                            _tprintf(_T("\tAutoconfiguration Enabled . . . . : No\n"));
                    }
                }
                else
                {
                    _tprintf(_T("\tDHCP Enabled. . . . . . . . . . . : No\n"));
                }
            }
        }

        if (!bConnected)
        {
            pAdapter = pAdapter->Next;
            continue;
        }

        _tprintf(_T("\tIP Address. . . . . . . . . . . . : %s\n"), pAdapter->IpAddressList.IpAddress.String);
        _tprintf(_T("\tSubnet Mask . . . . . . . . . . . : %s\n"), pAdapter->IpAddressList.IpMask.String);
        if (pAdapter->GatewayList.IpAddress.String[0] != '0')
            _tprintf(_T("\tDefault Gateway . . . . . . . . . : %s\n"), pAdapter->GatewayList.IpAddress.String);
        else
            _tprintf(_T("\tDefault Gateway . . . . . . . . . :\n"));

        if (bAll)
        {
            PIP_ADDR_STRING pIPAddr;

            if (pAdapter->DhcpEnabled)
               _tprintf(_T("\tDHCP Server . . . . . . . . . . . : %s\n"), pAdapter->DhcpServer.IpAddress.String);

            _tprintf(_T("\tDNS Servers . . . . . . . . . . . : "));
            _tprintf(_T("%s\n"), pFixedInfo->DnsServerList.IpAddress.String);
            pIPAddr = pFixedInfo->DnsServerList.Next;
            while (pIPAddr)
            {
                _tprintf(_T("\t\t\t\t\t    %s\n"), pIPAddr ->IpAddress.String );
                pIPAddr = pIPAddr->Next;
            }

            if (pAdapter->HaveWins)
            {
                _tprintf(_T("\tPrimary WINS Server . . . . . . . : %s\n"), pAdapter->PrimaryWinsServer.IpAddress.String);
                _tprintf(_T("\tSecondary WINS Server . . . . . . : %s\n"), pAdapter->SecondaryWinsServer.IpAddress.String);
            }

            if (pAdapter->DhcpEnabled && _tcscmp(pAdapter->DhcpServer.IpAddress.String, _T("255.255.255.255")))
            {
                _tprintf(_T("\tLease Obtained. . . . . . . . . . : %s"), _tasctime(localtime(&pAdapter->LeaseObtained)));
                _tprintf(_T("\tLease Expires . . . . . . . . . . : %s"), _tasctime(localtime(&pAdapter->LeaseExpires)));
            }
        }
        _tprintf(_T("\n"));

        HeapFree(ProcessHeap, 0, pPerAdapterInfo);
        pPerAdapterInfo = NULL;

        pAdapter = pAdapter->Next;
    }

    HeapFree(ProcessHeap, 0, pFixedInfo);
    if (pAdapterInfo)
        HeapFree(ProcessHeap, 0, pAdapterInfo);
}

Referenced by main().

Usage()

VOID Usage

(

VOID

)

Definition at line 730 of file ipconfig.c.

{
    HRSRC hRes;
    LPTSTR lpUsage;
    DWORD Size;

    LPTSTR lpName = (LPTSTR)MAKEINTRESOURCE((IDS_USAGE >> 4) + 1);

    hRes = FindResource(hInstance,
                        lpName,
                        RT_STRING);
    if (hRes != NULL)
    {
        if ((Size = SizeofResource(hInstance,
                                   hRes)))
        {
            lpUsage = (LPTSTR)HeapAlloc(ProcessHeap,
                                        0,
                                        Size);
            if (lpUsage == NULL)
                return;

            if (LoadStringAndOem(hInstance,
                           IDS_USAGE,
                           lpUsage,
                           Size))
            {
                _tprintf(_T("%s"), lpUsage);
            }

            HeapFree(ProcessHeap, 0, lpUsage);
        }
    }


}

Referenced by main().

Variable Documentation

hInstance

HINSTANCE hInstance

Definition at line 29 of file ipconfig.c.

Referenced by GetInterfaceTypeName(), GetNodeTypeName(), main(), and Usage().

ProcessHeap

HANDLE ProcessHeap

• Internal Headers */

Definition at line 30 of file ipconfig.c.

Referenced by GetConnectionDescription(), GetConnectionType(), LoadStringAndOem(), main(), Release(), Renew(), ShowInfo(), and Usage().