ipconfig.c File Reference

#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <winuser.h>
#include <winreg.h>
#include <stdio.h>
#include <tchar.h>
#include <time.h>
#include <iphlpapi.h>
#include <ndk/rtlfuncs.h>
#include <inaddr.h>
#include <windns.h>
#include <windns_undoc.h>
#include <strsafe.h>
#include <conutils.h>
#include "resource.h"

Include dependency graph for ipconfig.c:

Go to the source code of this file.

Classes
struct	_RECORDTYPE

Macros
#define	WIN32_NO_STATUS
#define	GUID_LEN   40

Typedefs
typedef struct _RECORDTYPE	RECORDTYPE
typedef struct _RECORDTYPE *	PRECORDTYPE

Functions
LPTSTR	GetRecordTypeName (WORD wType)
PCHAR	PrintMacAddr (PBYTE Mac)
_Ret_opt_z_ PTSTR	timeToStr (_In_ time_t TimeStamp)
VOID	DoFormatMessage (LONG ErrorCode)
VOID	GetAdapterFriendlyName (_In_ LPSTR lpClass, _In_ DWORD cchFriendlyNameLength, _Out_ LPWSTR pszFriendlyName)
VOID	GetInterfaceFriendlyName (_In_ LPWSTR lpDeviceName, _In_ DWORD cchFriendlyNameLength, _Out_ LPWSTR pszFriendlyName)
static VOID	PrintAdapterDescription (LPSTR lpClass)
static VOID	PrintNodeType (_In_ UINT NodeType)
static VOID	PrintAdapterTypeAndName (PIP_ADAPTER_INFO pAdapterInfo)
VOID	ShowInfo (BOOL bShowHeader, BOOL bAll)
static BOOL	MatchWildcard (_In_ PWSTR pszExpression, _In_ PWSTR pszName)
static VOID	BuildAdapterMap (PIP_ADAPTER_INDEX_MAP pAdapterMap, PIP_ADAPTER_INFO pAdapterInfo)
VOID	Release (LPWSTR pszAdapterName)
VOID	Renew (LPWSTR pszAdapterName)
VOID	FlushDns (VOID)
VOID	RegisterDns (VOID)
static VOID	DisplayDnsRecord (PWSTR pszName, WORD wType)
VOID	DisplayDns (VOID)
VOID	Usage (VOID)
int	wmain (int argc, wchar_t *argv[])

Variables
HINSTANCE	hInstance
HANDLE	ProcessHeap
RECORDTYPE	TypeArray []

Macro Definition Documentation

GUID_LEN

#define GUID_LEN   40

Definition at line 40 of file ipconfig.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 13 of file ipconfig.c.

Typedef Documentation

PRECORDTYPE

typedef struct _RECORDTYPE * PRECORDTYPE

RECORDTYPE

typedef struct _RECORDTYPE RECORDTYPE

Function Documentation

BuildAdapterMap()

static VOID BuildAdapterMap ( PIP_ADAPTER_INDEX_MAP  pAdapterMap, PIP_ADAPTER_INFO  pAdapterInfo  )

static

Definition at line 814 of file ipconfig.c.

{
    int i, l1, l2;
 
    pAdapterMap->Index = pAdapterInfo->Index;
 
    wcscpy(pAdapterMap->Name, L"\\DEVICE\\TCPIP_");
    l1 = wcslen(pAdapterMap->Name);
    l2 = strlen(pAdapterInfo->AdapterName);
    for (i = 0; i < l2; i++)
        pAdapterMap->Name[i + l1] = (WCHAR)pAdapterInfo->AdapterName[i];
    pAdapterMap->Name[i + l1] = UNICODE_NULL;
}

Referenced by Release(), and Renew().

DisplayDns()

VOID DisplayDns

(

VOID

)

Definition at line 1176 of file ipconfig.c.

{
    PDNS_CACHE_ENTRY DnsEntry = NULL, pThisEntry, pNextEntry;
 
    ConResPrintf(StdOut, IDS_HEADER);
 
    if (!DnsGetCacheDataTable(&DnsEntry))
    {
        DoFormatMessage(GetLastError());
        return;
    }
 
    if (DnsEntry == NULL)
        return;
 
    pThisEntry = DnsEntry;
    while (pThisEntry != NULL)
    {
        pNextEntry = pThisEntry->pNext;
 
        if (pThisEntry->wType1 != DNS_TYPE_ZERO)
            DisplayDnsRecord(pThisEntry->pszName, pThisEntry->wType1);
 
        if (pThisEntry->wType2 != DNS_TYPE_ZERO)
            DisplayDnsRecord(pThisEntry->pszName, pThisEntry->wType2);
 
        if (pThisEntry->pszName)
            LocalFree(pThisEntry->pszName);
        LocalFree(pThisEntry);
 
        pThisEntry = pNextEntry;
    }
}

Referenced by wmain().

DisplayDnsRecord()

static VOID DisplayDnsRecord ( PWSTR  pszName, WORD  wType  )

static

Definition at line 1048 of file ipconfig.c.

{
    PDNS_RECORDW pQueryResults = NULL, pThisRecord, pNextRecord;
    WCHAR szBuffer[48];
    IN_ADDR Addr4;
    IN6_ADDR Addr6;
    DNS_STATUS Status;
 
    ConResPrintf(StdOut, IDS_DNSNAME, pszName);
    ConResPrintf(StdOut, IDS_DNSLINE);
 
    pQueryResults = NULL;
    Status = DnsQuery_W(pszName,
                        wType,
                        DNS_QUERY_NO_WIRE_QUERY,
                        NULL,
                        (PDNS_RECORD *)&pQueryResults,
                        NULL);
    if (Status != ERROR_SUCCESS)
    {
        if (Status == DNS_ERROR_RCODE_NAME_ERROR)
        {
            ConResPrintf(StdOut, IDS_DNSNONAME);
        }
        else if (Status == DNS_INFO_NO_RECORDS)
        {
            ConResPrintf(StdOut, IDS_DNSNORECORD, GetRecordTypeName(wType));
        }
        return;
    }
 
    pThisRecord = pQueryResults;
    while (pThisRecord != NULL)
    {
        pNextRecord = pThisRecord->pNext;
 
        ConResPrintf(StdOut, IDS_DNSRECORDNAME, pThisRecord->pName);
        ConResPrintf(StdOut, IDS_DNSRECORDTYPE, pThisRecord->wType);
        ConResPrintf(StdOut, IDS_DNSRECORDTTL, pThisRecord->dwTtl);
        ConResPrintf(StdOut, IDS_DNSRECORDLENGTH, pThisRecord->wDataLength);
 
        switch (pThisRecord->Flags.S.Section)
        {
            case DnsSectionQuestion:
                ConResPrintf(StdOut, IDS_DNSSECTIONQUESTION);
                break;
 
            case DnsSectionAnswer:
                ConResPrintf(StdOut, IDS_DNSSECTIONANSWER);
                break;
 
            case DnsSectionAuthority:
                ConResPrintf(StdOut, IDS_DNSSECTIONAUTHORITY);
                break;
 
            case DnsSectionAdditional:
                ConResPrintf(StdOut, IDS_DNSSECTIONADDITIONAL);
                break;
        }
 
        switch (pThisRecord->wType)
        {
            case DNS_TYPE_A:
                Addr4.S_un.S_addr = pThisRecord->Data.A.IpAddress;
                RtlIpv4AddressToStringW(&Addr4, szBuffer);
                ConResPrintf(StdOut, IDS_DNSTYPEA, szBuffer);
                break;
 
            case DNS_TYPE_NS:
                ConResPrintf(StdOut, IDS_DNSTYPENS, pThisRecord->Data.NS.pNameHost);
                break;
 
            case DNS_TYPE_CNAME:
                ConResPrintf(StdOut, IDS_DNSTYPECNAME, pThisRecord->Data.CNAME.pNameHost);
                break;
 
            case DNS_TYPE_SOA:
                ConResPrintf(StdOut, IDS_DNSTYPESOA1,
                             pThisRecord->Data.SOA.pNamePrimaryServer,
                             pThisRecord->Data.SOA.pNameAdministrator,
                             pThisRecord->Data.SOA.dwSerialNo);
                ConResPrintf(StdOut, IDS_DNSTYPESOA2,
                             pThisRecord->Data.SOA.dwRefresh,
                             pThisRecord->Data.SOA.dwRetry,
                             pThisRecord->Data.SOA.dwExpire,
                             pThisRecord->Data.SOA.dwDefaultTtl);
                break;
 
            case DNS_TYPE_PTR:
                ConResPrintf(StdOut, IDS_DNSTYPEPTR, pThisRecord->Data.PTR.pNameHost);
                break;
 
            case DNS_TYPE_MX:
                ConResPrintf(StdOut, IDS_DNSTYPEMX,
                             pThisRecord->Data.MX.pNameExchange,
                             pThisRecord->Data.MX.wPreference,
                             pThisRecord->Data.MX.Pad);
                break;
 
            case DNS_TYPE_AAAA:
                RtlCopyMemory(&Addr6, &pThisRecord->Data.AAAA.Ip6Address, sizeof(IN6_ADDR));
                RtlIpv6AddressToStringW(&Addr6, szBuffer);
                ConResPrintf(StdOut, IDS_DNSTYPEAAAA, szBuffer);
                break;
 
            case DNS_TYPE_ATMA:
                ConResPrintf(StdOut, IDS_DNSTYPEATMA);
                break;
 
            case DNS_TYPE_SRV:
                ConResPrintf(StdOut, IDS_DNSTYPESRV,
                             pThisRecord->Data.SRV.pNameTarget,
                             pThisRecord->Data.SRV.wPriority,
                             pThisRecord->Data.SRV.wWeight,
                             pThisRecord->Data.SRV.wPort);
                break;
        }
        ConPuts(StdOut, L"\n\n");
 
        pThisRecord = pNextRecord;
    }
 
    DnsRecordListFree((PDNS_RECORD)pQueryResults, DnsFreeRecordList);
}

Referenced by DisplayDns().

DoFormatMessage()

VOID DoFormatMessage

(

LONG

ErrorCode

)

Definition at line 200 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 DisplayDns(), FlushDns(), PrintAdapterDescription(), Release(), Renew(), and ShowInfo().

FlushDns()

VOID FlushDns

(

VOID

)

Definition at line 1024 of file ipconfig.c.

{
    ConResPrintf(StdOut, IDS_HEADER);
 
    if (DnsFlushResolverCache())
    {
        ConResPrintf(StdOut, IDS_DNSFLUSHSUCCESS);
    }
    else
    {
        ConResPrintf(StdOut, IDS_DNSFLUSHERROR);
        DoFormatMessage(GetLastError());
    }
}

Referenced by wmain().

GetAdapterFriendlyName()

VOID GetAdapterFriendlyName	(	_In_ LPSTR	lpClass,
		_In_ DWORD	cchFriendlyNameLength,
		_Out_ LPWSTR	pszFriendlyName
	)

Definition at line 224 of file ipconfig.c.

{
    HKEY hKey = NULL;
    CHAR Path[256];
    LPSTR PrePath  = "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\";
    LPSTR PostPath = "\\Connection";
    DWORD PathSize;
    DWORD dwType;
    DWORD dwDataSize;
 
    /* don't overflow the buffer */
    PathSize = strlen(PrePath) + strlen(lpClass) + strlen(PostPath) + 1;
    if (PathSize >= 255)
        return;
 
    sprintf(Path, "%s%s%s", PrePath, lpClass, PostPath);
 
    if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,
                      Path,
                      0,
                      KEY_READ,
                      &hKey) == ERROR_SUCCESS)
    {
        dwDataSize = cchFriendlyNameLength * sizeof(WCHAR);
        RegQueryValueExW(hKey,
                         L"Name",
                         NULL,
                         &dwType,
                         (PBYTE)pszFriendlyName,
                         &dwDataSize);
    }
 
    if (hKey != NULL)
        RegCloseKey(hKey);
}

Referenced by PrintAdapterTypeAndName(), Release(), and Renew().

GetInterfaceFriendlyName()

VOID GetInterfaceFriendlyName	(	_In_ LPWSTR	lpDeviceName,
		_In_ DWORD	cchFriendlyNameLength,
		_Out_ LPWSTR	pszFriendlyName
	)

Definition at line 264 of file ipconfig.c.

{
    HKEY hKey = NULL;
    WCHAR Path[256];
    LPWSTR PrePath  = L"SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\";
    LPWSTR PostPath = L"\\Connection";
    LPWSTR DevicePrefix = L"\\DEVICE\\TCPIP_";
    DWORD PathSize;
    DWORD dwType;
    DWORD dwDataSize;
 
    DWORD dwPrefixLength = wcslen(DevicePrefix);
 
    /* don't overflow the buffer */
    PathSize = wcslen(PrePath) + wcslen(lpDeviceName) - dwPrefixLength + wcslen(PostPath) + 1;
    if (PathSize >= 255)
        return;
 
    swprintf(Path, L"%s%s%s", PrePath, &lpDeviceName[dwPrefixLength], PostPath);
 
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
                      Path,
                      0,
                      KEY_READ,
                      &hKey) == ERROR_SUCCESS)
    {
        dwDataSize = cchFriendlyNameLength * sizeof(WCHAR);
        RegQueryValueExW(hKey,
                         L"Name",
                         NULL,
                         &dwType,
                         (PBYTE)pszFriendlyName,
                         &dwDataSize);
    }
 
    if (hKey != NULL)
        RegCloseKey(hKey);
}

GetRecordTypeName()

LPTSTR GetRecordTypeName

(

WORD

wType

)

Definition at line 105 of file ipconfig.c.

{
    static TCHAR szType[8];
    INT i;
 
    for (i = 0; ; i++)
    {
         if (TypeArray[i].pszRecordName == NULL)
             break;
 
         if (TypeArray[i].wRecordType == wType)
             return TypeArray[i].pszRecordName;
    }
 
    _stprintf(szType, _T("%hu"), wType);
 
    return szType;
}

Referenced by DisplayDnsRecord().

MatchWildcard()

static BOOL MatchWildcard ( _In_ PWSTR  pszExpression, _In_ PWSTR  pszName  )

static

Definition at line 767 of file ipconfig.c.

{
    WCHAR *pCharE, *pCharN, charE, charN;
 
    if (pszExpression == NULL)
        return TRUE;
 
    if (pszName == NULL)
        return FALSE;
 
    pCharE = pszExpression;
    pCharN = pszName;
    while (*pCharE != UNICODE_NULL)
    {
        charE = towlower(*pCharE);
        charN = towlower(*pCharN);
 
        if (charE == L'*')
        {
            if (*(pCharE + 1) != charN)
                pCharN++;
            else
                pCharE++;
        }
        else if (charE == L'?')
        {
            pCharE++;
            pCharN++;
        }
        else if (charE == charN)
        {
            pCharE++;
            pCharN++;
        }
        else
        {
            return FALSE;
        }
    }
 
    return TRUE;
}

Referenced by Release(), and Renew().

PrintAdapterDescription()

static VOID PrintAdapterDescription ( LPSTR  lpClass )

static

Definition at line 308 of file ipconfig.c.

{
    HKEY hBaseKey = NULL;
    HKEY hClassKey = NULL;
    LPSTR lpKeyClass = NULL;
    LPSTR 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;
    }
 
    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 (RegQueryValueExA(hClassKey,
                             "NetCfgInstanceId",
                             NULL,
                             &dwType,
                             NULL,
                             &dwDataSize) == ERROR_SUCCESS)
        {
            lpKeyClass = (LPSTR)HeapAlloc(ProcessHeap,
                                          0,
                                          dwDataSize);
            if (lpKeyClass == NULL)
                goto CLEANUP;
 
            if (RegQueryValueExA(hClassKey,
                                 "NetCfgInstanceId",
                                 NULL,
                                 &dwType,
                                 (PBYTE)lpKeyClass,
                                 &dwDataSize) != ERROR_SUCCESS)
            {
                HeapFree(ProcessHeap, 0, lpKeyClass);
                lpKeyClass = NULL;
                continue;
            }
        }
        else
            continue;
 
        if (!strcmp(lpClass, lpKeyClass))
        {
            HeapFree(ProcessHeap, 0, lpKeyClass);
            lpKeyClass = NULL;
 
            if (RegQueryValueExA(hClassKey,
                                 "DriverDesc",
                                 NULL,
                                 &dwType,
                                 NULL,
                                 &dwDataSize) == ERROR_SUCCESS)
            {
                lpConDesc = (LPSTR)HeapAlloc(ProcessHeap,
                                             0,
                                             dwDataSize);
                if (lpConDesc != NULL)
                {
                    if (RegQueryValueExA(hClassKey,
                                         "DriverDesc",
                                         NULL,
                                         &dwType,
                                         (PBYTE)lpConDesc,
                                         &dwDataSize) == ERROR_SUCCESS)
                    {
                        printf("%s", lpConDesc);
                    }
 
                    HeapFree(ProcessHeap, 0, lpConDesc);
                    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);
}

Referenced by ShowInfo().

PrintAdapterTypeAndName()

static VOID PrintAdapterTypeAndName ( PIP_ADAPTER_INFO  pAdapterInfo )

static

Definition at line 484 of file ipconfig.c.

{
    WCHAR szFriendlyName[MAX_PATH];
 
    GetAdapterFriendlyName(pAdapterInfo->AdapterName, MAX_PATH, szFriendlyName);
 
    switch (pAdapterInfo->Type)
    {
        case MIB_IF_TYPE_OTHER:
            ConResPrintf(StdOut, IDS_OTHER, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_ETHERNET:
            ConResPrintf(StdOut, IDS_ETH, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_TOKENRING:
            ConResPrintf(StdOut, IDS_TOKEN, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_FDDI:
            ConResPrintf(StdOut, IDS_FDDI, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_PPP:
            ConResPrintf(StdOut, IDS_PPP, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_LOOPBACK:
            ConResPrintf(StdOut, IDS_LOOP, szFriendlyName);
            break;
 
        case MIB_IF_TYPE_SLIP:
            ConResPrintf(StdOut, IDS_SLIP, szFriendlyName);
            break;
 
        case IF_TYPE_IEEE80211:
            ConResPrintf(StdOut, IDS_WIFI, szFriendlyName);
            break;
 
        default:
            ConResPrintf(StdOut, IDS_UNKNOWNADAPTER, szFriendlyName);
            break;
    }
}

Referenced by ShowInfo().

PrintMacAddr()

PCHAR PrintMacAddr

(

PBYTE

Mac

)

Definition at line 125 of file ipconfig.c.

{
    static CHAR MacAddr[20];
 
    sprintf(MacAddr, "%02X-%02X-%02X-%02X-%02X-%02X",
        Mac[0], Mac[1], Mac[2], Mac[3], Mac[4],  Mac[5]);
 
    return MacAddr;
}

Referenced by ShowInfo().

PrintNodeType()

static VOID PrintNodeType ( _In_ UINT  NodeType )

static

Definition at line 455 of file ipconfig.c.

{
    switch (NodeType)
    {
        case BROADCAST_NODETYPE:
            ConResPrintf(StdOut, IDS_NODETYPEBCAST);
            break;
 
        case PEER_TO_PEER_NODETYPE:
            ConResPrintf(StdOut, IDS_NODETYPEP2P);
            break;
 
        case MIXED_NODETYPE:
            ConResPrintf(StdOut, IDS_NODETYPEMIXED);
            break;
 
        case HYBRID_NODETYPE:
            ConResPrintf(StdOut, IDS_NODETYPEHYBRID);
            break;
 
        default :
            ConResPrintf(StdOut, IDS_NODETYPEUNKNOWN);
            break;
    }
}

Referenced by ShowInfo().

RegisterDns()

VOID RegisterDns

(

VOID

)

Definition at line 1040 of file ipconfig.c.

{
    /* FIXME */
    _tprintf(_T("\nSorry /registerdns is not implemented yet\n"));
}

Referenced by wmain().

Release()

VOID Release

(

LPWSTR

pszAdapterName

)

Definition at line 831 of file ipconfig.c.

{
    PIP_ADAPTER_INFO pAdapterInfo = NULL;
    PIP_ADAPTER_INFO pAdapter = NULL;
    ULONG adaptOutBufLen = 0;
    ULONG ret = 0;
    WCHAR szFriendlyName[MAX_PATH];
    MIB_IFROW mibEntry;
    IP_ADAPTER_INDEX_MAP AdapterMap;
    BOOL bFoundAdapter = FALSE;
 
    ConResPrintf(StdOut, IDS_HEADER);
 
    /* call GetAdaptersInfo to obtain the adapter info */
    ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
    if (ret != ERROR_BUFFER_OVERFLOW)
    {
        DoFormatMessage(ret);
        return;
    }
 
    pAdapterInfo = (IP_ADAPTER_INFO *)HeapAlloc(ProcessHeap, 0, adaptOutBufLen);
    if (pAdapterInfo == NULL)
    {
        _tprintf(_T("memory allocation error"));
        return;
    }
 
    ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
    if (ret != NO_ERROR)
    {
        DoFormatMessage(0);
        goto done;
    }
 
    pAdapter = pAdapterInfo;
 
    while (pAdapter)
    {
        GetAdapterFriendlyName(pAdapterInfo->AdapterName, MAX_PATH, szFriendlyName);
 
        if ((pszAdapterName == NULL) || MatchWildcard(pszAdapterName, szFriendlyName))
        {
            bFoundAdapter = TRUE;
 
            mibEntry.dwIndex = pAdapter->Index;
            GetIfEntry(&mibEntry);
 
            if (mibEntry.dwOperStatus == MIB_IF_OPER_STATUS_CONNECTED ||
                mibEntry.dwOperStatus == MIB_IF_OPER_STATUS_OPERATIONAL)
            {
                if (pAdapter->DhcpEnabled)
                {
                    if (strcmp(pAdapter->IpAddressList.IpAddress.String, "0.0.0.0"))
                    {
                        BuildAdapterMap(&AdapterMap, pAdapter);
 
                        /* Call IpReleaseAddress to release the IP address on the specified adapter. */
                        ret = IpReleaseAddress(&AdapterMap);
                        if (ret != NO_ERROR)
                        {
                            ConResPrintf(StdOut, IDS_DHCPRELEASEERROR, szFriendlyName);
                            DoFormatMessage(ret);
                        }
                    }
                    else
                    {
                        ConResPrintf(StdOut, IDS_DHCPRELEASED);
                    }
                }
                else
                {
                    ConResPrintf(StdOut, IDS_DHCPNOTENABLED, szFriendlyName);
                }
            }
            else
            {
                ConResPrintf(StdOut, IDS_DHCPNOTCONNECTED, szFriendlyName);
            }
        }
 
        pAdapter = pAdapter->Next;
    }
 
    if (bFoundAdapter == FALSE)
    {
        ConResPrintf(StdOut, IDS_DHCPNOADAPTER);
    }
    else
    {
        ShowInfo(FALSE, FALSE);
    }
 
done:
    if (pAdapterInfo)
        HeapFree(ProcessHeap, 0, pAdapterInfo);
}

Renew()

VOID Renew

(

LPWSTR

pszAdapterName

)

Definition at line 931 of file ipconfig.c.

{
    PIP_ADAPTER_INFO pAdapterInfo = NULL;
    PIP_ADAPTER_INFO pAdapter = NULL;
    ULONG adaptOutBufLen = 0;
    ULONG ret = 0;
    WCHAR szFriendlyName[MAX_PATH];
    MIB_IFROW mibEntry;
    IP_ADAPTER_INDEX_MAP AdapterMap;
    BOOL bFoundAdapter = FALSE;
 
    ConResPrintf(StdOut, IDS_HEADER);
 
    /* call GetAdaptersInfo to obtain the adapter info */
    ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
    if (ret != ERROR_BUFFER_OVERFLOW)
    {
        DoFormatMessage(ret);
        return;
    }
 
    pAdapterInfo = (IP_ADAPTER_INFO *)HeapAlloc(ProcessHeap, 0, adaptOutBufLen);
    if (pAdapterInfo == NULL)
    {
        _tprintf(_T("memory allocation error"));
        return;
    }
 
    ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
    if (ret != NO_ERROR)
    {
        DoFormatMessage(0);
        goto done;
    }
 
    pAdapter = pAdapterInfo;
 
    while (pAdapter)
    {
        GetAdapterFriendlyName(pAdapterInfo->AdapterName, MAX_PATH, szFriendlyName);
 
        if ((pszAdapterName == NULL) || MatchWildcard(pszAdapterName, szFriendlyName))
        {
            bFoundAdapter = TRUE;
 
            mibEntry.dwIndex = pAdapter->Index;
            GetIfEntry(&mibEntry);
 
            if (mibEntry.dwOperStatus == MIB_IF_OPER_STATUS_CONNECTED ||
                mibEntry.dwOperStatus == MIB_IF_OPER_STATUS_OPERATIONAL)
            {
                if (pAdapter->DhcpEnabled)
                {
                    BuildAdapterMap(&AdapterMap, pAdapter);
 
                    /* Call IpRenewAddress to renew the IP address on the specified adapter. */
                    ret = IpRenewAddress(&AdapterMap);
                    if (ret != NO_ERROR)
                    {
                        ConResPrintf(StdOut, IDS_DHCPRENEWERROR, szFriendlyName);
                        DoFormatMessage(ret);
                    }
                }
                else
                {
                    ConResPrintf(StdOut, IDS_DHCPNOTENABLED, szFriendlyName);
                }
            }
            else
            {
                ConResPrintf(StdOut, IDS_DHCPNOTCONNECTED, szFriendlyName);
            }
        }
 
        pAdapter = pAdapter->Next;
    }
 
    if (bFoundAdapter == FALSE)
    {
        ConResPrintf(StdOut, IDS_DHCPNOADAPTER);
    }
    else
    {
        ShowInfo(FALSE, FALSE);
    }
 
done:
    if (pAdapterInfo)
        HeapFree(ProcessHeap, 0, pAdapterInfo);
}

Referenced by wmain().

ShowInfo()

VOID ShowInfo	(	BOOL	bShowHeader,
		BOOL	bAll
	)

Definition at line 532 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;
    PSTR pszDomainName = NULL;
    DWORD dwDomainNameSize = 0;
    ULONG ret = 0;
 
    GetComputerNameExA(ComputerNameDnsDomain,
                       NULL,
                       &dwDomainNameSize);
    if (dwDomainNameSize > 0)
    {
        pszDomainName = HeapAlloc(ProcessHeap,
                                  0,
                                  dwDomainNameSize * sizeof(TCHAR));
        if (pszDomainName != NULL)
            GetComputerNameExA(ComputerNameDnsDomain,
                               pszDomainName,
                               &dwDomainNameSize);
    }
 
    /* 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)
            goto done;
 
        ret = GetAdaptersInfo(pAdapterInfo, &adaptOutBufLen);
        if (ret != NO_ERROR)
        {
            DoFormatMessage(0);
            goto done;
        }
    }
    else
    {
        if (ret != ERROR_NO_DATA)
        {
            DoFormatMessage(0);
            goto done;
        }
    }
 
    /* call GetNetworkParams to obtain the network info */
    if (GetNetworkParams(pFixedInfo, &netOutBufLen) == ERROR_BUFFER_OVERFLOW)
    {
        pFixedInfo = (FIXED_INFO *)HeapAlloc(ProcessHeap, 0, netOutBufLen);
        if (pFixedInfo == NULL)
        {
            goto done;
        }
        if (GetNetworkParams(pFixedInfo, &netOutBufLen) != NO_ERROR)
        {
            DoFormatMessage(0);
            goto done;
        }
    }
    else
    {
        DoFormatMessage(0);
        goto done;
    }
 
    pAdapter = pAdapterInfo;
 
    if (bShowHeader)
        ConResPrintf(StdOut, IDS_HEADER);
 
    if (bAll)
    {
        ConResPrintf(StdOut, IDS_HOSTNAME, pFixedInfo->HostName);
        ConResPrintf(StdOut, IDS_PRIMARYDNSSUFFIX, (pszDomainName != NULL) ? pszDomainName : "");
 
        PrintNodeType(pFixedInfo->NodeType);
 
        if (pFixedInfo->EnableRouting)
            ConResPrintf(StdOut, IDS_IPROUTINGYES);
        else
            ConResPrintf(StdOut, IDS_IPROUTINGNO);
 
        if (pAdapter && pAdapter->HaveWins)
            ConResPrintf(StdOut, IDS_WINSPROXYYES);
        else
            ConResPrintf(StdOut, IDS_WINSPROXYNO);
 
        if (pszDomainName != NULL && pszDomainName[0] != 0)
        {
            ConResPrintf(StdOut, IDS_DNSSUFFIXLIST, pszDomainName);
            ConResPrintf(StdOut, IDS_EMPTYLINE, pFixedInfo->DomainName);
        }
        else
        {
            ConResPrintf(StdOut, IDS_DNSSUFFIXLIST, pFixedInfo->DomainName);
        }
    }
 
    while (pAdapter)
    {
        BOOLEAN bConnected = TRUE;
 
        mibEntry.dwIndex = pAdapter->Index;
        GetIfEntry(&mibEntry);
 
        PrintAdapterTypeAndName(pAdapter);
 
        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;
            ConResPrintf(StdOut, IDS_MEDIADISCONNECTED);
        }
        else
        {
            ConResPrintf(StdOut, IDS_CONNECTIONDNSSUFFIX, pFixedInfo->DomainName);
        }
 
        if (bAll)
        {
            ConResPrintf(StdOut, IDS_DESCRIPTION);
            PrintAdapterDescription(pAdapter->AdapterName);
            printf("\n");
 
            ConResPrintf(StdOut, IDS_PHYSICALADDRESS, PrintMacAddr(pAdapter->Address));
 
            if (bConnected)
            {
                if (pAdapter->DhcpEnabled)
                {
                    ConResPrintf(StdOut, IDS_DHCPYES);
 
                    if (pPerAdapterInfo != NULL)
                    {
                        if (pPerAdapterInfo->AutoconfigEnabled)
                            ConResPrintf(StdOut, IDS_AUTOCONFIGYES);
                        else
                            ConResPrintf(StdOut, IDS_AUTOCONFIGNO);
                    }
                }
                else
                {
                    ConResPrintf(StdOut, IDS_DHCPNO);
                }
            }
        }
 
        if (!bConnected)
        {
            pAdapter = pAdapter->Next;
            continue;
        }
 
        ConResPrintf(StdOut, IDS_IPADDRESS, pAdapter->IpAddressList.IpAddress.String);
        ConResPrintf(StdOut, IDS_SUBNETMASK, pAdapter->IpAddressList.IpMask.String);
 
        if (strcmp(pAdapter->GatewayList.IpAddress.String, "0.0.0.0"))
            ConResPrintf(StdOut, IDS_DEFAULTGATEWAY, pAdapter->GatewayList.IpAddress.String);
        else
            ConResPrintf(StdOut, IDS_DEFAULTGATEWAY, "");
 
        if (bAll)
        {
            PIP_ADDR_STRING pIPAddr;
 
            if (pAdapter->DhcpEnabled)
                ConResPrintf(StdOut, IDS_DHCPSERVER, pAdapter->DhcpServer.IpAddress.String);
 
            ConResPrintf(StdOut, IDS_DNSSERVERS, pFixedInfo->DnsServerList.IpAddress.String);
            pIPAddr = pFixedInfo->DnsServerList.Next;
            while (pIPAddr)
            {
                ConResPrintf(StdOut, IDS_EMPTYLINE, pIPAddr ->IpAddress.String);
                pIPAddr = pIPAddr->Next;
            }
 
            if (pAdapter->HaveWins)
            {
                ConResPrintf(StdOut, IDS_PRIMARYWINSSERVER, pAdapter->PrimaryWinsServer.IpAddress.String);
                ConResPrintf(StdOut, IDS_SECONDARYWINSSERVER, pAdapter->SecondaryWinsServer.IpAddress.String);
            }
 
            if (pAdapter->DhcpEnabled && strcmp(pAdapter->DhcpServer.IpAddress.String, "255.255.255.255"))
            {
                PTSTR DateTimeString;
                DateTimeString = timeToStr(pAdapter->LeaseObtained);
                ConResPrintf(StdOut, IDS_LEASEOBTAINED, DateTimeString ? DateTimeString : _T("N/A"));
                if (DateTimeString)
                {
                    HeapFree(ProcessHeap, 0, DateTimeString);
                }
                DateTimeString = timeToStr(pAdapter->LeaseExpires);
                ConResPrintf(StdOut, IDS_LEASEEXPIRES, DateTimeString ? DateTimeString : _T("N/A"));
                if (DateTimeString)
                {
                    HeapFree(ProcessHeap, 0, DateTimeString);
                }
            }
        }
 
        HeapFree(ProcessHeap, 0, pPerAdapterInfo);
        pPerAdapterInfo = NULL;
 
        pAdapter = pAdapter->Next;
    }
 
done:
    if (pszDomainName)
        HeapFree(ProcessHeap, 0, pszDomainName);
    if (pFixedInfo)
        HeapFree(ProcessHeap, 0, pFixedInfo);
    if (pAdapterInfo)
        HeapFree(ProcessHeap, 0, pAdapterInfo);
}

Referenced by Release(), Renew(), and wmain().

timeToStr()

_Ret_opt_z_ PTSTR timeToStr

(

_In_ time_t

TimeStamp

)

Definition at line 137 of file ipconfig.c.

{
    struct tm* ptm;
    SYSTEMTIME SystemTime;
    INT DateCchSize, TimeCchSize, TotalCchSize, i;
    PTSTR DateTimeString, psz;
 
    /* Convert Unix time to SYSTEMTIME */
    /* localtime_s may be preferred if available */
    ptm = localtime(&TimeStamp);
    if (!ptm)
    {
        return NULL;
    }
    SystemTime.wYear = ptm->tm_year + 1900;
    SystemTime.wMonth = ptm->tm_mon + 1;
    SystemTime.wDay = ptm->tm_mday;
    SystemTime.wHour = ptm->tm_hour;
    SystemTime.wMinute = ptm->tm_min;
    SystemTime.wSecond = ptm->tm_sec;
 
    /* Get total size in characters required of buffer */
    DateCchSize = GetDateFormat(LOCALE_USER_DEFAULT, DATE_LONGDATE, &SystemTime, NULL, NULL, 0);
    if (!DateCchSize)
    {
        return NULL;
    }
    TimeCchSize = GetTimeFormat(LOCALE_USER_DEFAULT, 0, &SystemTime, NULL, NULL, 0);
    if (!TimeCchSize)
    {
        return NULL;
    }
    /* Two terminating null are included, the first one will be replaced by space */
    TotalCchSize = DateCchSize + TimeCchSize;
 
    /* Allocate buffer and format datetime string */
    DateTimeString = (PTSTR)HeapAlloc(ProcessHeap, 0, TotalCchSize * sizeof(TCHAR));
    if (!DateTimeString)
    {
        return NULL;
    }
 
    /* Get date string */
    i = GetDateFormat(LOCALE_USER_DEFAULT, DATE_LONGDATE, &SystemTime, NULL, DateTimeString, TotalCchSize);
    if (i)
    {
        /* Append space and move pointer */
        DateTimeString[i - 1] = _T(' ');
        psz = DateTimeString + i;
        TotalCchSize -= i;
 
        /* Get time string */
        if (GetTimeFormat(LOCALE_USER_DEFAULT, 0, &SystemTime, NULL, psz, TotalCchSize))
        {
            return DateTimeString;
        }
    }
 
    HeapFree(ProcessHeap, 0, DateTimeString);
    return NULL;
}

Referenced by ShowInfo().

Usage()

VOID Usage

(

VOID

)

Definition at line 1210 of file ipconfig.c.

{
    ConResPrintf(StdOut, IDS_USAGE);
}

wmain()

int wmain	(	int	argc,
		wchar_t *	argv[]
	)

Definition at line 1215 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;
 
    /* Initialize the Console Standard Streams */
    ConInitStdStreams();
 
    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(TRUE, FALSE);
            break;
        case 2:  /* Process all the options that take no parameters */
            if (DoUsage)
                Usage();
            else if (DoAll)
                ShowInfo(TRUE, TRUE);
            else if (DoRelease)
                Release(NULL);
            else if (DoRenew)
                Renew(NULL);
            else if (DoFlushdns)
                FlushDns();
            else if (DoRegisterdns)
                RegisterDns();
            else if (DoDisplaydns)
                DisplayDns();
            else
                Usage();
            break;
        case 3: /* Process all the options that can have 1 parameter */
            if (DoRelease)
                Release(argv[2]);
            else if (DoRenew)
                Renew(argv[2]);
            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;
}

Variable Documentation

hInstance

HINSTANCE hInstance

Definition at line 42 of file ipconfig.c.

Referenced by wmain().

ProcessHeap

HANDLE ProcessHeap

• Internal Headers *‍/

Definition at line 43 of file ipconfig.c.

Referenced by PrintAdapterDescription(), Release(), Renew(), ShowInfo(), timeToStr(), and wmain().

TypeArray

RECORDTYPE TypeArray[]

Definition at line 45 of file ipconfig.c.

Referenced by GetRecordTypeName().