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 "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)
int	LoadStringAndOem (HINSTANCE hInst, UINT uID, LPTSTR szNode, int byteSize)
LPTSTR	GetNodeTypeName (UINT NodeType)
LPTSTR	GetInterfaceTypeName (UINT InterfaceType)
PTCHAR	PrintMacAddr (PBYTE Mac)
_Ret_opt_z_ PTSTR	timeToStr (_In_ time_t TimeStamp)
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	FlushDns (VOID)
VOID	RegisterDns (VOID)
static VOID	DisplayDnsRecord (PWSTR pszName, WORD wType)
VOID	DisplayDns (VOID)
VOID	Usage (VOID)
int	main (int argc, char *argv[])

Variables
HINSTANCE	hInstance
HANDLE	ProcessHeap
RECORDTYPE	TypeArray []

Macro Definition Documentation

GUID_LEN

#define GUID_LEN   40

Definition at line 39 of file ipconfig.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 15 of file ipconfig.c.

Typedef Documentation

PRECORDTYPE

typedef struct _RECORDTYPE * PRECORDTYPE

RECORDTYPE

typedef struct _RECORDTYPE RECORDTYPE

Function Documentation

DisplayDns()

VOID DisplayDns

(

VOID

)

Definition at line 1052 of file ipconfig.c.

{
    PDNS_CACHE_ENTRY DnsEntry = NULL, pThisEntry, pNextEntry;
 
    _tprintf(_T("\nReactOS IP Configuration\n\n"));
 
    if (!DnsGetCacheDataTable(&DnsEntry))
    {
        DoFormatMessage(GetLastError());
        return;
    }
 
    if (DnsEntry == NULL)
        return;
 
    pThisEntry = DnsEntry;
    while (pThisEntry != NULL)
    {
        pNextEntry = pThisEntry->pNext;
 
        if (pThisEntry->wType1 != 0)
            DisplayDnsRecord(pThisEntry->pszName, pThisEntry->wType1);
 
        if (pThisEntry->wType2 != 0)
            DisplayDnsRecord(pThisEntry->pszName, pThisEntry->wType2);
 
        if (pThisEntry->pszName)
            LocalFree(pThisEntry->pszName);
        LocalFree(pThisEntry);
 
        pThisEntry = pNextEntry;
    }
}

Referenced by main().

DisplayDnsRecord()

static VOID DisplayDnsRecord ( PWSTR  pszName, WORD  wType  )

static

Definition at line 934 of file ipconfig.c.

{
    PDNS_RECORDW pQueryResults = NULL, pThisRecord, pNextRecord;
    WCHAR szBuffer[48];
    IN_ADDR Addr4;
    IN6_ADDR Addr6;
    DNS_STATUS Status;
 
    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)
        {
            _tprintf(_T("\t%S\n"), pszName);
            _tprintf(_T("\t----------------------------------------\n"));
            _tprintf(_T("\tName does not exist\n\n"));
        }
        else if (Status == DNS_INFO_NO_RECORDS)
        {
            _tprintf(_T("\t%S\n"), pszName);
            _tprintf(_T("\t----------------------------------------\n"));
            _tprintf(_T("\tNo records of type %s\n\n"), GetRecordTypeName(wType));
        }
        return;
    }
 
    _tprintf(_T("\t%S\n"), pszName);
    _tprintf(_T("\t----------------------------------------\n"));
 
    pThisRecord = pQueryResults;
    while (pThisRecord != NULL)
    {
        pNextRecord = pThisRecord->pNext;
 
        _tprintf(_T("\tRecord Name . . . . . : %S\n"), pThisRecord->pName);
        _tprintf(_T("\tRecord Type . . . . . : %hu\n"), pThisRecord->wType);
        _tprintf(_T("\tTime To Live. . . . . : %lu\n"), pThisRecord->dwTtl);
        _tprintf(_T("\tData Length . . . . . : %hu\n"), pThisRecord->wDataLength);
 
        switch (pThisRecord->Flags.S.Section)
        {
            case DnsSectionQuestion:
                _tprintf(_T("\tSection . . . . . . . : Question\n"));
                break;
 
            case DnsSectionAnswer:
                _tprintf(_T("\tSection . . . . . . . : Answer\n"));
                break;
 
            case DnsSectionAuthority:
                _tprintf(_T("\tSection . . . . . . . : Authority\n"));
                break;
 
            case DnsSectionAdditional:
                _tprintf(_T("\tSection . . . . . . . : Additional\n"));
                break;
        }
 
        switch (pThisRecord->wType)
        {
            case DNS_TYPE_A:
                Addr4.S_un.S_addr = pThisRecord->Data.A.IpAddress;
                RtlIpv4AddressToStringW(&Addr4, szBuffer);
                _tprintf(_T("\tA (Host) Record . . . : %S\n"), szBuffer);
                break;
 
            case DNS_TYPE_NS:
                _tprintf(_T("\tNS Record . . . . . . : %S\n"), pThisRecord->Data.NS.pNameHost);
                break;
 
            case DNS_TYPE_CNAME:
                _tprintf(_T("\tCNAME Record. . . . . : %S\n"), pThisRecord->Data.CNAME.pNameHost);
                break;
 
            case DNS_TYPE_SOA:
                _tprintf(_T("\tSOA Record. . . . . . : \n"));
                break;
 
            case DNS_TYPE_PTR:
                _tprintf(_T("\tPTR Record. . . . . . : %S\n"), pThisRecord->Data.PTR.pNameHost);
                break;
 
            case DNS_TYPE_MX:
                _tprintf(_T("\tMX Record . . . . . . : \n"));
                break;
 
            case DNS_TYPE_AAAA:
                RtlCopyMemory(&Addr6, &pThisRecord->Data.AAAA.Ip6Address, sizeof(IN6_ADDR));
                RtlIpv6AddressToStringW(&Addr6, szBuffer);
                _tprintf(_T("\tAAAA Record . . . . . : %S\n"), szBuffer);
                break;
 
            case DNS_TYPE_ATMA:
                _tprintf(_T("\tATMA Record . . . . . : \n"));
                break;
 
            case DNS_TYPE_SRV:
                _tprintf(_T("\tSRV Record. . . . . . : \n"));
                break;
        }
        _tprintf(_T("\n\n"));
 
        pThisRecord = pNextRecord;
    }
 
    DnsRecordListFree((PDNS_RECORD)pQueryResults, DnsFreeRecordList);
}

Referenced by DisplayDns().

DoFormatMessage()

VOID DoFormatMessage

(

LONG

ErrorCode

)

Definition at line 306 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(), GetConnectionDescription(), Release(), Renew(), and ShowInfo().

FlushDns()

VOID FlushDns

(

VOID

)

Definition at line 915 of file ipconfig.c.

{
    _tprintf(_T("\nReactOS IP Configuration\n\n"));
 
    if (DnsFlushResolverCache())
        _tprintf(_T("The DNS Resolver Cache has been deleted.\n"));
    else
        DoFormatMessage(GetLastError());
}

Referenced by main().

GetConnectionDescription()

LPTSTR GetConnectionDescription

(

LPTSTR

lpClass

)

Definition at line 406 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 330 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 179 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 143 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().

GetRecordTypeName()

LPTSTR GetRecordTypeName

(

WORD

wType

)

Definition at line 104 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().

LoadStringAndOem()

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

Definition at line 123 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 1121 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)
                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)
                _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 231 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().

RegisterDns()

VOID RegisterDns

(

VOID

)

Definition at line 926 of file ipconfig.c.

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

Referenced by main().

Release()

VOID Release

(

LPTSTR

Index

)

Definition at line 786 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
         */
    }
}

Renew()

VOID Renew

(

LPTSTR

Index

)

Definition at line 848 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 557 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;
 
    _tprintf(_T("\nReactOS IP Configuration\n\n"));
    if (bAll)
    {
        _tprintf(_T("\tHost Name . . . . . . . . . . . . : %s\n"), pFixedInfo->HostName);
        _tprintf(_T("\tPrimary DNS Suffix. . . . . . . . : %s\n"), (pszDomainName != NULL) ? pszDomainName : "");
        _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"));
        if (pszDomainName != NULL && pszDomainName[0] != 0)
        {
            _tprintf(_T("\tDNS Suffix Search List. . . . . . : %s\n"), pszDomainName);
            _tprintf(_T("\t                                    %s\n"), pFixedInfo->DomainName);
        }
        else
        {
            _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")))
            {
                PTSTR DateTimeString;
                DateTimeString = timeToStr(pAdapter->LeaseObtained);
                _tprintf(_T("\tLease Obtained. . . . . . . . . . : %s\n"), DateTimeString ? DateTimeString : _T("N/A"));
                if (DateTimeString)
                {
                    HeapFree(ProcessHeap, 0, DateTimeString);
                }
                DateTimeString = timeToStr(pAdapter->LeaseExpires);
                _tprintf(_T("\tLease Expires . . . . . . . . . . : %s\n"), DateTimeString ? DateTimeString : _T("N/A"));
                if (DateTimeString)
                {
                    HeapFree(ProcessHeap, 0, DateTimeString);
                }
            }
        }
        _tprintf(_T("\n"));
 
        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 main().

timeToStr()

_Ret_opt_z_ PTSTR timeToStr

(

_In_ time_t

TimeStamp

)

Definition at line 243 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 1086 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);
        }
    }
}

Variable Documentation

hInstance

HINSTANCE hInstance

Definition at line 41 of file ipconfig.c.

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

ProcessHeap

HANDLE ProcessHeap

• Internal Headers *‍/

Definition at line 42 of file ipconfig.c.

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

TypeArray

RECORDTYPE TypeArray[]

Definition at line 44 of file ipconfig.c.

Referenced by GetRecordTypeName().