ipconfig.c

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/*
 * PROJECT:     ReactOS ipconfig utility
 * LICENSE:     GPL - See COPYING in the top level directory
 * FILE:        apps/utils/net/ipconfig/ipconfig.c
 * PURPOSE:     Display IP info for net adapters
 * PROGRAMMERS: Copyright 2005 - 2006 Ged Murphy ([e-mail])
 */
/*
 * TODO:
 * fix renew / release
 * implement flushdns, registerdns, displaydns, showclassid, setclassid
 * allow globbing on adapter names
 */

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <time.h>
#include <iphlpapi.h>
#include "resource.h"

#define GUID_LEN 40

HINSTANCE hInstance;
HANDLE ProcessHeap;


LPTSTR GetNodeTypeName(UINT NodeType)
{
    static TCHAR szNode[14];

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

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

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

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

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

    return szNode;
}


LPTSTR GetInterfaceTypeName(UINT InterfaceType)
{
    static TCHAR szIntType[25];

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

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

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

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

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

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

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

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

    return szIntType;
}


/* print MAC address */
PTCHAR PrintMacAddr(PBYTE Mac)
{
    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;
}


VOID DoFormatMessage(LONG ErrorCode)
{
    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);
    }
}


LPTSTR GetConnectionType(LPTSTR lpClass)
{
    HKEY hKey = NULL;
    LPTSTR ConType = 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)
        {
            ConType = (LPTSTR)HeapAlloc(ProcessHeap,
                                        0,
                                        dwDataSize);
            if (ConType == NULL)
                return NULL;

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

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

    return ConType;
}


LPTSTR GetConnectionDescription(LPTSTR lpClass)
{
    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)
            {
                lpKeyClass = NULL;
                HeapFree(ProcessHeap, 0, lpKeyClass);
                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)
                {
                    lpConDesc = NULL;
                    goto CLEANUP;
                }
            }
            else
                lpConDesc = NULL;

            break;
        }
    }

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

    return lpConDesc;
}


VOID ShowInfo(BOOL bAll)
{
    PIP_ADAPTER_INFO pAdapterInfo = NULL;
    PIP_ADAPTER_INFO pAdapter = NULL;
    ULONG adaptOutBufLen = 0;
    PFIXED_INFO pFixedInfo = NULL;
    ULONG netOutBufLen = 0;

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

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