Source code of Windows XP (NT5)
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//++
//
// Copyright (C) Microsoft Corporation, 1987 - 1999
//
// Module Name:
//
// winstest.c
//
// Abstract:
//
// Queries into network drivers
//
// Author:
//
// Anilth - 4-20-1998
//
// Environment:
//
// User mode only.
// Contains NT-specific code.
//
// Revision History:
//
//--
#include "precomp.h"
#include "dhcptest.h"
static const TCHAR s_szSpace12[] = _T(" ");
const int c_iWaitTime = 2000;
BOOL IsNameResponse( NETDIAG_PARAMS * pParams, char* ipAddrStr );
int Probe( NETDIAG_PARAMS *pParams, TCHAR *szSrvIpAddr, SOCKET listenNameSvcSock );
//-------------------------------------------------------------------------//
//###### W I N S T e s t () #############################################//
//-------------------------------------------------------------------------//
// Abstract: //
// Queries the all the configured WINS servers to make sure that //
// they are reachable and that they have the proper name-IP mapping //
// for this workstation. //
// Arguments: //
// none //
// Return value: //
// TRUE - test passed //
// FALSE - test failed //
// Global variables used: //
// none //
//-------------------------------------------------------------------------//
HRESULT WinsTest( NETDIAG_PARAMS* pParams, NETDIAG_RESULT* pResults)
{
IPCONFIG_TST * pIpConfig;
WINS_TST * pWinsResult;
PIP_ADAPTER_INFO pIpAdapter;
IP_ADDR_STRING winsSrv;
int nWinsSrvOk = 0;
HRESULT hr = hrOK;
int i;
TCHAR szBuffer[256];
// IDS_WINS_STATUS_MSG " Testing the WINS server... \n"
PrintStatusMessage(pParams, 4, IDS_WINS_STATUS_MSG);
//
// try to send name queries to the WINS servers on all adapters
//
for ( i = 0; i < pResults->cNumInterfaces; i++ )
{
UINT nIfWinsOk = 0;
pIpConfig = &pResults->pArrayInterface[i].IpConfig;
pIpAdapter = pResults->pArrayInterface[i].IpConfig.pAdapterInfo;
InitializeListHead( &pResults->pArrayInterface[i].Wins.lmsgPrimary );
InitializeListHead( &pResults->pArrayInterface[i].Wins.lmsgSecondary );
if (!pIpConfig->fActive ||
NETCARD_DISCONNECTED == pResults->pArrayInterface[i].dwNetCardStatus)
continue;
if (!pResults->pArrayInterface[i].fNbtEnabled)
continue;
PrintStatusMessage(pParams, 8, IDSSZ_GLOBAL_StringLine, pResults->pArrayInterface[i].pszFriendlyName);
pWinsResult = &pResults->pArrayInterface[i].Wins;
//
// looping through the primary WINS server list
//
winsSrv = pIpAdapter->PrimaryWinsServer;
if ( ZERO_IP_ADDRESS(winsSrv.IpAddress.String) )
{
if(pParams->fReallyVerbose)
PrintMessage(pParams, IDS_WINS_QUERY_NO_PRIMARY,
s_szSpace12);
AddMessageToList(&pWinsResult->lmsgPrimary,
Nd_ReallyVerbose, IDS_WINS_QUERY_NO_PRIMARY,
s_szSpace12);
}
else
{
pWinsResult->fPerformed = TRUE;
while ( TRUE )
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_WINS_QUERY_PRIMARY,
s_szSpace12,
winsSrv.IpAddress.String);
AddMessageToList(&pWinsResult->lmsgPrimary,
Nd_ReallyVerbose,
IDS_WINS_QUERY_PRIMARY,
s_szSpace12,
winsSrv.IpAddress.String);
if ( IsNameResponse(pParams, winsSrv.IpAddress.String) )
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_GLOBAL_PASS_NL);
AddMessageToList(&pWinsResult->lmsgPrimary,
Nd_ReallyVerbose,
IDS_GLOBAL_PASS_NL);
nWinsSrvOk++;
nIfWinsOk++;
}
else
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_GLOBAL_FAIL_NL);
AddMessageToList(&pWinsResult->lmsgPrimary,
Nd_ReallyVerbose,
IDS_GLOBAL_FAIL_NL);
}
if ( winsSrv.Next == NULL )
{
break;
}
winsSrv = *(winsSrv.Next);
}
}
//
// looping through the secondary WINS server list
//
winsSrv = pIpAdapter->SecondaryWinsServer;
if ( ZERO_IP_ADDRESS(winsSrv.IpAddress.String) )
{
if(pParams->fReallyVerbose)
PrintMessage(pParams, IDS_WINS_QUERY_NO_SECONDARY,
s_szSpace12);
AddMessageToList(&pWinsResult->lmsgSecondary,
Nd_ReallyVerbose, IDS_WINS_QUERY_NO_SECONDARY,
s_szSpace12);
}
else
{
pWinsResult->fPerformed = TRUE;
while ( TRUE )
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_WINS_QUERY_SECONDARY,
s_szSpace12,
winsSrv.IpAddress.String);
AddMessageToList(&pWinsResult->lmsgSecondary,
Nd_ReallyVerbose,
IDS_WINS_QUERY_SECONDARY,
s_szSpace12,
winsSrv.IpAddress.String);
if ( IsNameResponse(pParams, winsSrv.IpAddress.String) )
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_GLOBAL_PASS_NL);
AddMessageToList(&pWinsResult->lmsgSecondary,
Nd_ReallyVerbose,
IDS_GLOBAL_PASS_NL);
nWinsSrvOk++;
nIfWinsOk++;
}
else
{
if (pParams->fReallyVerbose)
PrintMessage(pParams, IDS_GLOBAL_FAIL_NL);
AddMessageToList(&pWinsResult->lmsgSecondary,
Nd_ReallyVerbose,
IDS_GLOBAL_FAIL_NL);
}
if ( winsSrv.Next == NULL ) { break; }
winsSrv = *(winsSrv.Next);
}
}
if( 0 == nIfWinsOk )
pWinsResult->hr = S_FALSE;
else
pWinsResult->hr = S_OK;
} /* end of for loop scanning all the adapters */
//$REVIEW No global test result for WINS test
if ( nWinsSrvOk != 0)
{
hr = S_OK;
}
else
{
hr = S_FALSE;
}
return hr;
} /* END OF WINSTest() */
//-------------------------------------------------------------------------//
//###### P r o b e () ##################################################//
//-------------------------------------------------------------------------//
// Abstract: //
// Assembles and sends a name query to the DHCP server. //
// Arguments: //
// none //
// Return value: //
// TRUE if a response has been received from the server //
// FALSE otherwise //
// Global variables used: //
// g_isDebug (reading only) //
// //
// Comments: //
// This will not work for b-type nodes for which you need to set the B bit//
// and broadcast the packet instead of unicast xmission - Rajkumar //
//-------------------------------------------------------------------------//
int Probe( NETDIAG_PARAMS *pParams, TCHAR *szSrvIpAddr, SOCKET listenNameSvcSock ) {
char nbtFrameBuf[MAX_NBT_PACKET_SIZE];
NM_FRAME_HDR *pNbtHeader = (NM_FRAME_HDR *)nbtFrameBuf;
NM_QUESTION_SECT *pNbtQuestion = (NM_QUESTION_SECT *)( nbtFrameBuf + sizeof(NM_FRAME_HDR) );
struct sockaddr_in destSockAddr;
char *pDest, *pName;
int nBytesSent = 0, i;
/* RFC 1002 section 4.2.12
1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| NAME_TRN_ID |0| 0x0 |0|0|1|0|0 0|B| 0x0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| 0x0001 | 0x0000 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| 0x0000 | 0x0000 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
/ QUESTION_NAME /
/ /
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| NB (0x0020) | IN (0x0001) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
pNbtHeader->xid = NM_QRY_XID;
pNbtHeader->flags = NBT_NM_OPC_QUERY |
NBT_NM_OPC_REQUEST |
NBT_NM_FLG_RECURS_DESRD;
pNbtHeader->question_cnt = 0x0100;
pNbtHeader->answer_cnt = 0;
pNbtHeader->name_serv_cnt = 0;
pNbtHeader->additional_cnt = 0;
// pDest is filling nbtQuestion->q_name
pNbtQuestion->q_type = NBT_NM_QTYP_NB;
pNbtQuestion->q_class = NBT_NM_QCLASS_IN;
//
// translate the name
//
pDest = (char *)&(pNbtQuestion->q_name);
pName = nameToQry;
// the first byte of the name is the length field = 2*16
*pDest++ = NBT_NAME_SIZE;
// step through name converting ascii to half ascii, for 32 times
for ( i = 0; i < (NBT_NAME_SIZE / 2) ; i++ ) {
*pDest++ = (*pName >> 4) + 'A';
*pDest++ = (*pName++ & 0x0F) + 'A';
}
*pDest++ = '\0';
*pDest = '\0';
//
// send the name query frame
//
destSockAddr.sin_family = PF_INET;
destSockAddr.sin_port = htons(137); // NBT_NAME_SERVICE_PORT;
destSockAddr.sin_addr.s_addr = inet_addr( szSrvIpAddr );
for ( i = 0; i < 8 ; i++ ) { destSockAddr.sin_zero[i] = 0; }
nBytesSent = sendto( listenNameSvcSock,
(PCHAR )nbtFrameBuf,
sizeof(NM_FRAME_HDR) + sizeof(NM_QUESTION_SECT),
0,
(struct sockaddr *)&destSockAddr,
sizeof( struct sockaddr )
);
PrintDebugSz(pParams, 0, _T("\n querying name %s on server %s\n"), nameToQry, szSrvIpAddr );
PrintDebugSz(pParams, 0, _T( " bytes sent %d\n"), nBytesSent );
if ( nBytesSent == SOCKET_ERROR )
{
PrintDebugSz(pParams, 0, _T(" Error %d in sendto()!\n"), WSAGetLastError() );
return FALSE;
}
//
// the other thread should see the incoming frame and increment m_nMsgCnt
//
return TRUE;
} /* END OF Probe() */
//-------------------------------------------------------------------------//
//###### I s N a m e R e s p o n s e () #################################//
//-------------------------------------------------------------------------//
// Abstract: //
// Sends a NetBT name Query to the IP address provided as input param //
// Arguments: //
// ipAddrStr - IP address where the Name Query is to be sent //
// Return value: //
// TRUE - test passed //
// FALSE - test failed //
// Global variables used: //
// none //
//-------------------------------------------------------------------------//
BOOL IsNameResponse( NETDIAG_PARAMS *pParams, char* ipAddrStr ) {
DWORD optionValue; // helper var for setsockopt()
SOCKADDR_IN sockAddr; // struct holding source socket info
SOCKET listenNameSvcSock;
DWORD listeningThreadId;
int iTimeout;
int nBytesRcvd = 0;
char MsgBuf[1500];
SOCKADDR_IN senderSockAddr;
int nSockAddrSize = sizeof( senderSockAddr );
BOOL fRet = TRUE;
//
// create socket to listen to name svc responses from the WINS server
//
listenNameSvcSock = socket( PF_INET, SOCK_DGRAM, IPPROTO_UDP );
if ( listenNameSvcSock == INVALID_SOCKET ) {
if (pParams->fReallyVerbose)
//IDS_WINS_12406 " Failed to create a socket to listen to WINS traffic. Error = %d \n"
PrintMessage(pParams, IDS_WINS_12406, WSAGetLastError() );
return FALSE;
}
optionValue = TRUE;
if ( setsockopt(listenNameSvcSock, SOL_SOCKET, SO_REUSEADDR, (const char *)&optionValue, sizeof(optionValue)) ) {
if (pParams->fReallyVerbose)
//IDS_WINS_12407 " Failed to set the SO_REUSEADDR option for the socket. Error = %d\n"
PrintMessage(pParams, IDS_WINS_12407, WSAGetLastError() );
return FALSE;
}
optionValue = FALSE;
if ( setsockopt(listenNameSvcSock, SOL_SOCKET, SO_BROADCAST, (const char *)&optionValue, sizeof(optionValue)) ) {
if (pParams->fReallyVerbose)
//IDS_WINS_12408 " Failed to set the SO_BROADCAST option for the socket. Error = %d\n"
PrintMessage(pParams, IDS_WINS_12408, WSAGetLastError() );
return FALSE;
}
iTimeout = c_iWaitTime;
if ( setsockopt(listenNameSvcSock, SOL_SOCKET, SO_RCVTIMEO, (char*)&iTimeout, sizeof(iTimeout)))
{
if (pParams->fReallyVerbose)
//IDS_WINS_12416 " Failed to set the SO_RCVTIMEO option for the socket. Error = %d\n"
PrintMessage(pParams, IDS_WINS_12416, WSAGetLastError());
return FALSE;
}
sockAddr.sin_family = PF_INET;
sockAddr.sin_addr.s_addr = INADDR_ANY;
sockAddr.sin_port = 0;
RtlZeroMemory( sockAddr.sin_zero, 8 );
if ( bind(listenNameSvcSock, (LPSOCKADDR )&sockAddr, sizeof(sockAddr)) == SOCKET_ERROR ) {
if (pParams->fReallyVerbose)
//IDS_WINS_12409 "\n Failed to bind the listening socket for the socket. Error = %d\n"
PrintMessage(pParams, IDS_WINS_12409, WSAGetLastError() );
return FALSE;
}
//
// let's ask the WINS server for our own name
//
Probe( pParams, ipAddrStr, listenNameSvcSock );
nBytesRcvd = recvfrom( listenNameSvcSock, MsgBuf, sizeof(MsgBuf), 0, (LPSOCKADDR )&senderSockAddr, &nSockAddrSize );
if ( nBytesRcvd == SOCKET_ERROR )
{
//since we are sending UDP packets, it's not reliable. Do the query again
Probe (pParams, ipAddrStr, listenNameSvcSock);
if (SOCKET_ERROR == recvfrom( listenNameSvcSock, MsgBuf,
sizeof(MsgBuf),
0,
(LPSOCKADDR )&senderSockAddr,
&nSockAddrSize ))
{
fRet = FALSE;
}
}
//
// final clean up
//
closesocket(listenNameSvcSock);
return fRet;
} /* END OF IsNameResponse() */
void WinsGlobalPrint(IN NETDIAG_PARAMS *pParams,
IN OUT NETDIAG_RESULT *pResults)
{
}
void WinsPerInterfacePrint(IN NETDIAG_PARAMS *pParams,
IN OUT NETDIAG_RESULT *pResults,
IN INTERFACE_RESULT *pIfResult)
{
// PIP_ADAPTER_INFO pIpAdapter = pIfResult->IpConfig.pAdapterInfo;
// IP_ADDR_STRING winsSrv;
if (!pIfResult->IpConfig.fActive ||
NETCARD_DISCONNECTED == pIfResult->dwNetCardStatus)
return;
if (pParams->fVerbose || !FHrOK(pIfResult->Wins.hr))
{
PrintNewLine(pParams, 1);
PrintTestTitleResult(pParams, IDS_WINS_LONG, IDS_WINS_SHORT, pIfResult->Wins.fPerformed,
pIfResult->Wins.hr, 8);
}
PrintMessageList(pParams, &pIfResult->Wins.lmsgPrimary);
PrintMessageList(pParams, &pIfResult->Wins.lmsgSecondary);
if (pIfResult->Wins.fPerformed)
{
if (pIfResult->Wins.hr == hrOK)
{
if (pParams->fReallyVerbose)
// IDS_WINS_12413 " The test was successful, at least one WINS server was found.\n"
PrintMessage(pParams, IDS_WINS_12413);
}
else
{
// IDS_WINS_12414 " The test failed. We were unable to query the WINS servers.\n"
PrintMessage(pParams, IDS_WINS_12414);
}
}
else if (pParams->fVerbose)
{
if (!pIfResult->fNbtEnabled)
{
//IDS_WINS_NBT_DISABLED " NetBT is disable on this interface. [Test skipped].\n"
PrintMessage(pParams, IDS_WINS_NBT_DISABLED);
}
else
{
//IDS_WINS_12415 " There are no WINS servers configured for this interface.\n"
PrintMessage(pParams, IDS_WINS_12415);
}
}
}
void WinsCleanup(IN NETDIAG_PARAMS *pParams,
IN OUT NETDIAG_RESULT *pResults)
{
int i;
for(i = 0; i < pResults->cNumInterfaces; i++)
{
MessageListCleanUp(&pResults->pArrayInterface[i].Wins.lmsgPrimary);
MessageListCleanUp(&pResults->pArrayInterface[i].Wins.lmsgSecondary);
}
}