3527 lines
84 KiB
C
3527 lines
84 KiB
C
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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Abstract:
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Revision History:
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Amritansh Raghav
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--*/
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#include "inc.h"
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#pragma hdrstop
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#include <ntddip.h>
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#ifdef CHICAGO
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LPWSCONTROL pWsControl = NULL;
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HANDLE hWsock = NULL;
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#endif
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extern HANDLE g_hIPDriverHandle;
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extern HANDLE g_hIPGetDriverHandle;
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extern HANDLE ChangeNotificationHandle;
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extern HANDLE g_hIP6DriverHandle;
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extern HANDLE g_hIP6GetDriverHandle;
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extern HANDLE Change6NotificationHandle;
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#ifdef DBG
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int trace = 1;
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#endif
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DWORD
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OpenTCPDriver(
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IN DWORD dwFamily
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);
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DWORD
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OpenIPDriver(
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IN DWORD dwFamily
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);
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DWORD
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CloseIPDriver();
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DWORD
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CloseIP6Driver();
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TDIEntityID*
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GetTdiEntityCount(
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PULONG pulNumEntities
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);
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DWORD
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GetArpEntryCount(
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OUT PDWORD pdwNumEntries
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);
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int
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TCPQueryInformationEx(
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DWORD Family,
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void *InBuf,
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ulong *InBufLen,
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void *OutBuf,
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ulong *OutBufLen
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);
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int
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TCPSetInformationEx(
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void *InBuf,
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ULONG *InBufLen,
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void *OutBuf,
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ULONG *OutBufLen
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);
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DWORD
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AccessIfEntryInStack(
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IN DWORD dwAction,
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IN DWORD dwInstance,
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IN OUT PMIB_IFROW pIfEntry
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);
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int
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TCPSendIoctl(
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HANDLE hHandle,
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ulong Ioctl,
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void *InBuf,
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ulong *InBufLen,
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void *OutBuf,
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ulong *OutBufLen
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);
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// ========================================================================
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#ifdef CHICAGO
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uint
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ConvertTdiErrorToDosError(uint TdiErr)
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{
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switch (TdiErr) {
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case TDI_INVALID_REQUEST:
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case TDI_INVALID_QUERY:
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return ERROR_INVALID_FUNCTION;
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case TDI_BUFFER_TOO_SMALL:
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return ERROR_INSUFFICIENT_BUFFER;
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case TDI_BUFFER_OVERFLOW:
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return ERROR_INSUFFICIENT_BUFFER;
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case TDI_PENDING:
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return ERROR_SIGNAL_PENDING;
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default:
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return ERROR_INVALID_PARAMETER;
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}
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}
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#endif
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DWORD
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AllocateAndGetIfTableFromStack(
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OUT MIB_IFTABLE **ppIfTable,
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IN BOOL bOrder,
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IN HANDLE hHeap,
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IN DWORD dwFlags,
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IN BOOL bForceUpdate
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)
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{
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DWORD dwResult, dwCount, dwOutBufLen;
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MIB_IPSTATS miStats;
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*ppIfTable = NULL;
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dwResult = GetIpStatsFromStack(&miStats);
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if(dwResult isnot NO_ERROR)
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{
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Trace1(ERR,
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"AllocateAndGetIfTableFromStack: Couldnt get Ip Stats From stack. Error %d",
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dwResult);
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return dwResult;
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}
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dwCount = miStats.dwNumIf + OVERFLOW_COUNT;
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dwOutBufLen = SIZEOF_IFTABLE(dwCount);
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*ppIfTable = HeapAlloc(hHeap,
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dwFlags,
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dwOutBufLen);
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if(*ppIfTable is NULL)
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{
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dwResult = ERROR_NOT_ENOUGH_MEMORY;
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Trace1(ERR,
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"AllocateAndGetIfTableFromStack: Couldnt allocate memory. Error %d",
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dwResult);
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return dwResult;
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}
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if(miStats.dwNumIf is 0)
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{
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(*ppIfTable)->dwNumEntries = 0;
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return NO_ERROR;
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}
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EnterCriticalSection(&g_ifLock);
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if (!bForceUpdate && miStats.dwNumIf != g_dwNumIf)
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{
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bForceUpdate = TRUE;
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}
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g_dwNumIf = miStats.dwNumIf;
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LeaveCriticalSection(&g_ifLock);
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dwResult = GetIfTableFromStack(*ppIfTable,
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dwOutBufLen,
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bOrder,
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bForceUpdate);
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if(dwResult isnot NO_ERROR)
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{
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Trace1(ERR,
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"AllocateAndGetIfTableFromStack: Error %d calling GetIfTableFromStack",
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dwResult);
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HeapFree(hHeap, dwFlags, *ppIfTable);
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*ppIfTable = NULL;
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}
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return dwResult;
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}
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// ========================================================================
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DWORD
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GetIfTableFromStack(
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OUT PMIB_IFTABLE pIfTable,
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IN DWORD dwSize,
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IN BOOL bOrder,
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IN BOOL bForceUpdate
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)
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/*++
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Routine Description
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Locks
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None needed on entry. It takes the If lock within the function
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Arguments
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Return Value
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NO_ERROR
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--*/
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{
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DWORD i, dwNumRows, dwCount, dwErr, dwResult;
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PLIST_ENTRY pCurrentNode;
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LPAIHASH lpAIBlock;
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dwNumRows = (dwSize - FIELD_OFFSET(MIB_IFTABLE,table[0]))/sizeof(MIB_IFROW);
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dwCount = 0;
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dwErr = NO_ERROR;
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CheckTcpipState();
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if (!g_bIpConfigured)
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{
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return ERROR_NOT_SUPPORTED;
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}
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EnterCriticalSection(&g_ifLock);
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if(bForceUpdate or
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(g_dwLastIfUpdateTime is 0) or
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((GetCurrentTime() - g_dwLastIfUpdateTime) > IF_CACHE_LIFE))
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{
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dwResult = UpdateAdapterToIFInstanceMapping();
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Trace0(ERR, "Update the mapping \n");
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if(dwResult isnot NO_ERROR)
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{
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Trace1(ERR,
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"GetIfTableFromStack: Couldnt update map. Error %d",
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dwResult);
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LeaveCriticalSection(&g_ifLock);
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return ERROR_CAN_NOT_COMPLETE;
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}
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}
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for(i = 0; i < MAP_HASH_SIZE; i ++)
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{
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for(pCurrentNode = g_pAdapterMappingTable[i].Flink;
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pCurrentNode isnot &(g_pAdapterMappingTable[i]);
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pCurrentNode = pCurrentNode->Flink)
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{
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lpAIBlock = CONTAINING_RECORD(pCurrentNode,AIHASH,leList);
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Trace1(ERR,
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"Instance %d \n", lpAIBlock->dwIFInstance);
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if(lpAIBlock->dwIFInstance is INVALID_IF_INSTANCE)
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{
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continue;
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}
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//
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// If there is no more space in the buffer, bail out
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//
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if(dwCount >= dwNumRows)
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{
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Trace2(ERR,
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"return here dwCount %d dwNumRows %d \n", dwCount, dwNumRows);
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dwErr = ERROR_MORE_DATA;
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break;
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}
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dwResult = AccessIfEntryInStack(GET_IF_ENTRY,
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lpAIBlock->dwIFInstance,
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&(pIfTable->table[dwCount]));
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if(dwResult isnot NO_ERROR)
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{
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Trace2(ERR,
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"GetIfTableFromStack: Err %d getting row for inst %d",
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dwResult, lpAIBlock->dwIFInstance);
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// dwErr = ERROR_MORE_DATA;
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// at this point the stack doesn't have the interface
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continue;
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g_dwLastIfUpdateTime = 0;
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}
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else
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{
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dwCount++;
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}
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}
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}
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g_dwNumIf = dwCount;
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LeaveCriticalSection(&g_ifLock);
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pIfTable->dwNumEntries = dwCount;
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if(bOrder && (dwCount > 0))
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{
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qsort(pIfTable->table,
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dwCount,
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sizeof(MIB_IFROW),
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CompareIfRow);
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}
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return dwErr;
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}
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// ========================================================================
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DWORD
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GetIfEntryFromStack(
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OUT PMIB_IFROW pIfEntry,
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IN DWORD dwAdapterIndex,
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IN BOOL bForceUpdate
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)
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/*++
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Routine Description
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Locks
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Arguments
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Return Value
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NO_ERROR
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--*/
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{
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DWORD dwResult,dwInBufLen,dwOutBufLen,dwInstance;
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TDIObjectID *ID;
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BYTE *Context;
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TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
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if (pIfEntry == NULL) {
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return ERROR_INVALID_PARAMETER;
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}
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CheckTcpipState();
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if (!g_bIpConfigured)
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{
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return ERROR_NOT_SUPPORTED;
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}
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EnterCriticalSection(&g_ifLock);
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if(bForceUpdate)
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{
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dwResult = UpdateAdapterToIFInstanceMapping();
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if(dwResult isnot NO_ERROR)
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{
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Trace1(ERR,
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"GetIfEntryFromStack: Couldnt update map. Error %d",
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dwResult);
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LeaveCriticalSection(&g_ifLock);
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return ERROR_CAN_NOT_COMPLETE;
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}
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dwInstance = GetIFInstanceFromAdapter(dwAdapterIndex);
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}
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else
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{
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dwInstance = GetIFInstanceFromAdapter(dwAdapterIndex);
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if(dwInstance is INVALID_IF_INSTANCE)
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{
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Trace0(ERR,
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"GetIfEntryFromStack: Couldnt map to instance - first try");
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dwResult = UpdateAdapterToIFInstanceMapping();
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if(dwResult isnot NO_ERROR)
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{
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Trace1(ERR,
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"GetIfEntryFromStack: Couldnt update map. Error %d",
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dwResult);
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LeaveCriticalSection(&g_ifLock);
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return ERROR_CAN_NOT_COMPLETE;
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}
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dwInstance = GetIFInstanceFromAdapter(dwAdapterIndex);
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}
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}
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LeaveCriticalSection(&g_ifLock);
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if(dwInstance is INVALID_IF_INSTANCE)
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{
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Trace0(ERR,
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"GetIfEntryFromStack: Couldnt map to instance second try!!!!");
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return ERROR_INVALID_DATA;
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}
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ID = &(trqiInBuf.ID);
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ID->toi_entity.tei_entity = IF_ENTITY;
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ID->toi_class = INFO_CLASS_PROTOCOL;
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ID->toi_type = INFO_TYPE_PROVIDER;
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ID->toi_id = IF_MIB_STATS_ID;
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ID->toi_entity.tei_instance = dwInstance;
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dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
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dwOutBufLen = sizeof(IFEntry);
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Context = (BYTE *) &(trqiInBuf.Context[0]);
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ZeroMemory( Context, CONTEXT_SIZE );
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dwResult = AccessIfEntryInStack(GET_IF_ENTRY,
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dwInstance,
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pIfEntry);
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return dwResult;
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}
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// ========================================================================
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DWORD
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SetIfEntryToStack(
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IN MIB_IFROW *pIfEntry,
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IN BOOL bForceUpdate
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)
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/*++
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Routine Description
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Locks
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Arguments
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Return Value
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NO_ERROR
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--*/
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{
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DWORD dwResult,dwInstance;
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CheckTcpipState();
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if (!g_bIpConfigured)
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{
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return ERROR_NOT_SUPPORTED;
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}
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EnterCriticalSection(&g_ifLock);
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if(bForceUpdate)
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{
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dwResult = UpdateAdapterToIFInstanceMapping();
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if(dwResult isnot NO_ERROR)
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{
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LeaveCriticalSection(&g_ifLock);
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Trace1(ERR,
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"SetIfEntryToStack: Couldnt update map. Error %d",
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dwResult);
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return ERROR_CAN_NOT_COMPLETE;
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}
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dwInstance = GetIFInstanceFromAdapter(pIfEntry->dwIndex);
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}
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else
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{
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dwInstance = GetIFInstanceFromAdapter(pIfEntry->dwIndex);
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if(dwInstance is INVALID_IF_INSTANCE)
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{
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Trace0(ERR,
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"SetIfEntryToStack: Couldnt map to instance - first try");
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dwResult = UpdateAdapterToIFInstanceMapping();
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if(dwResult isnot NO_ERROR)
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{
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LeaveCriticalSection(&g_ifLock);
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Trace1(ERR,
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"SetIfEntryToStack: Couldnt update map. Error %d",
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dwResult);
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return ERROR_CAN_NOT_COMPLETE;
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}
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dwInstance = GetIFInstanceFromAdapter(pIfEntry->dwIndex);
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}
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}
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if(dwInstance is INVALID_IF_INSTANCE)
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{
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LeaveCriticalSection(&g_ifLock);
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Trace0(ERR,
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"SetIfEntryToStack: Couldnt map to instance");
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return ERROR_INVALID_DATA;
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}
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dwResult = AccessIfEntryInStack(SET_IF_ENTRY,
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dwInstance,
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pIfEntry);
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LeaveCriticalSection(&g_ifLock);
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return dwResult;
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}
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// ========================================================================
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/*++
|
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Routine Description
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|
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Arguments
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dwAction Can be SET_IF or GET_IF
|
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picb the Interface Control Block
|
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lpOutBuf
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Return Value
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DWORD: NO_ERROR or some error code
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--*/
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DWORD
|
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AccessIfEntryInStack(
|
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IN DWORD dwAction,
|
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IN DWORD dwInstance,
|
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IN OUT PMIB_IFROW pIfEntry
|
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)
|
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{
|
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DWORD dwResult;
|
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DWORD dwInBufLen,dwOutBufLen;
|
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TDIObjectID *ID;
|
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BYTE *Context;
|
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|
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switch(dwAction)
|
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{
|
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case GET_IF_ENTRY:
|
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{
|
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TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
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|
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dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
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ID = &(trqiInBuf.ID);
|
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Context = (BYTE *) &(trqiInBuf.Context[0]);
|
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ID->toi_entity.tei_entity = IF_ENTITY;
|
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ID->toi_class = INFO_CLASS_PROTOCOL;
|
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ID->toi_type = INFO_TYPE_PROVIDER;
|
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ID->toi_id = IF_MIB_STATS_ID;
|
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|
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dwOutBufLen = sizeof(MIB_IFROW) - FIELD_OFFSET(MIB_IFROW, dwIndex);
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|
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ID->toi_entity.tei_instance = dwInstance;
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|
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ZeroMemory( Context, CONTEXT_SIZE );
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|
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dwResult = TCPQueryInformationEx(AF_INET,
|
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&trqiInBuf,
|
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&dwInBufLen,
|
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&(pIfEntry->dwIndex),
|
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&dwOutBufLen);
|
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break;
|
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}
|
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case SET_IF_ENTRY:
|
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{
|
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TCP_REQUEST_SET_INFORMATION_EX *lptrsiInBuf;
|
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IFEntry *pifeSetInfo;
|
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|
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dwInBufLen = sizeof(TCP_REQUEST_SET_INFORMATION_EX) + sizeof(IFEntry) - 1;
|
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|
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lptrsiInBuf = HeapAlloc(g_hPrivateHeap,0,dwInBufLen);
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|
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if(lptrsiInBuf is NULL)
|
|
{
|
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dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
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|
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Trace1(ERR,
|
|
"AccessIfEntryInStack: Error %d allocating memory",
|
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dwResult);
|
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|
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return dwResult;
|
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}
|
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|
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ID = &lptrsiInBuf->ID;
|
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ID->toi_class = INFO_CLASS_PROTOCOL;
|
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ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_entity.tei_entity = IF_ENTITY;
|
|
ID->toi_id = IF_MIB_STATS_ID;
|
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ID->toi_entity.tei_instance = dwInstance;
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|
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lptrsiInBuf->BufferSize = sizeof(IFEntry);
|
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dwOutBufLen = 0;
|
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|
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pifeSetInfo = (IFEntry*)lptrsiInBuf->Buffer;
|
|
*pifeSetInfo = *(IFEntry*)(&(pIfEntry->dwIndex));
|
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|
|
dwResult = TCPSetInformationEx((PVOID) lptrsiInBuf,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
HeapFree(g_hPrivateHeap,0,lptrsiInBuf);
|
|
|
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break;
|
|
}
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
DWORD
|
|
NhpGetInterfaceIndexFromStack(
|
|
IN PWCHAR pwszIfName,
|
|
OUT PDWORD pdwIfIndex
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description
|
|
|
|
Gets the interface index from IP
|
|
|
|
Locks
|
|
|
|
None
|
|
|
|
Arguments
|
|
|
|
pwszIfName NULL terminated unique name for interface
|
|
dwIfIndex [OUT] Interface Index
|
|
|
|
Return Value
|
|
|
|
NO_ERROR
|
|
ERROR_INVALID_PARAMETER
|
|
|
|
--*/
|
|
|
|
{
|
|
DWORD rgdwBuffer[255], dwStatus, dwInSize, dwOutSize;
|
|
|
|
PIP_GET_IF_INDEX_INFO pInfo;
|
|
|
|
#ifdef _WIN95_
|
|
|
|
return ERROR_NOT_SUPPORTED;
|
|
|
|
#else
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
//
|
|
// The if name should be NULL terminated and should fit in the buffer
|
|
// above
|
|
//
|
|
|
|
if((FIELD_OFFSET(IP_GET_IF_INDEX_INFO, Name[0]) +
|
|
((wcslen(pwszIfName) + 1) * sizeof(WCHAR))) > sizeof(rgdwBuffer))
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
pInfo = (PIP_GET_IF_INDEX_INFO)rgdwBuffer;
|
|
|
|
ZeroMemory(rgdwBuffer,
|
|
sizeof(rgdwBuffer));
|
|
|
|
wcscpy(pInfo->Name,
|
|
pwszIfName);
|
|
|
|
|
|
dwInSize = FIELD_OFFSET(IP_GET_IF_INDEX_INFO, Name[0]) +
|
|
((wcslen(pwszIfName) + 1) * sizeof(WCHAR));
|
|
|
|
dwOutSize = dwInSize;
|
|
|
|
dwStatus = TCPSendIoctl(g_hIPGetDriverHandle,
|
|
IOCTL_IP_GET_IF_INDEX,
|
|
pInfo,
|
|
&dwInSize,
|
|
pInfo,
|
|
&dwOutSize);
|
|
|
|
|
|
*pdwIfIndex = pInfo->Index;
|
|
|
|
return dwStatus;
|
|
|
|
#endif
|
|
}
|
|
|
|
DWORD
|
|
NhpAllocateAndGetInterfaceInfoFromStack(
|
|
OUT IP_INTERFACE_NAME_INFO **ppTable,
|
|
OUT PDWORD pdwCount,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description
|
|
|
|
Internal no fuss routine for getting the interface info.
|
|
This is not an optimal routine when there are many interfaces in the
|
|
stack, since the allocations become huge
|
|
|
|
Locks
|
|
|
|
None
|
|
|
|
Arguments
|
|
|
|
ppTable Allocated table
|
|
pdwCount Number of entries in the allocated table
|
|
bOrder If TRUE, the table is ordered
|
|
hHeap Handle of heap to allocate from
|
|
dwFlags Flags to use for allocation
|
|
|
|
Return Value
|
|
|
|
NO_ERROR
|
|
|
|
--*/
|
|
|
|
{
|
|
MIB_IPSTATS miStats;
|
|
PIP_GET_IF_NAME_INFO pInfo;
|
|
DWORD i, dwResult, dwOutSize, dwInSize, dwCount;
|
|
|
|
*ppTable = NULL;
|
|
*pdwCount = 0;
|
|
|
|
dwResult = GetIpStatsFromStack(&miStats);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = miStats.dwNumIf + OVERFLOW_COUNT;
|
|
dwOutSize = FIELD_OFFSET(IP_GET_IF_NAME_INFO, Info) +
|
|
(dwCount * sizeof(IP_INTERFACE_NAME_INFO));
|
|
|
|
dwInSize = FIELD_OFFSET(IP_GET_IF_NAME_INFO, Info);
|
|
|
|
pInfo = HeapAlloc(g_hPrivateHeap,
|
|
0,
|
|
dwOutSize);
|
|
|
|
if(pInfo is NULL)
|
|
{
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
pInfo->Context = 0;
|
|
|
|
dwResult = TCPSendIoctl(g_hIPGetDriverHandle,
|
|
IOCTL_IP_GET_IF_NAME,
|
|
pInfo,
|
|
&dwInSize,
|
|
pInfo,
|
|
&dwOutSize);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pInfo);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
#if DBG
|
|
|
|
dwCount = (dwOutSize - FIELD_OFFSET(IP_GET_IF_NAME_INFO, Info))/sizeof(IP_INTERFACE_NAME_INFO);
|
|
|
|
ASSERT(dwCount is pInfo->Count);
|
|
|
|
#endif
|
|
|
|
if(pInfo->Count is 0)
|
|
{
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pInfo);
|
|
|
|
return ERROR_NO_DATA;
|
|
}
|
|
|
|
//
|
|
// Allocate for the user and copy out the info
|
|
//
|
|
|
|
dwOutSize = pInfo->Count * sizeof(IP_INTERFACE_NAME_INFO);
|
|
|
|
*ppTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutSize);
|
|
|
|
if(*ppTable is NULL)
|
|
{
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pInfo);
|
|
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
//
|
|
// Copy out the info
|
|
//
|
|
|
|
for(i = 0; i < pInfo->Count; i++)
|
|
{
|
|
//
|
|
// Structure copy
|
|
//
|
|
|
|
(*ppTable)[i] = pInfo->Info[i];
|
|
}
|
|
|
|
if(pInfo->Count and bOrder)
|
|
{
|
|
qsort(*ppTable,
|
|
pInfo->Count,
|
|
sizeof(IP_INTERFACE_NAME_INFO),
|
|
NhiCompareIfInfoRow);
|
|
}
|
|
|
|
*pdwCount = pInfo->Count;
|
|
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pInfo);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetIpAddrTableFromStack(
|
|
OUT MIB_IPADDRTABLE **ppIpAddrTable,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags
|
|
)
|
|
{
|
|
DWORD dwResult,dwCount;
|
|
DWORD dwOutBufLen;
|
|
|
|
MIB_IPSTATS IpSnmpInfo;
|
|
|
|
*ppIpAddrTable = NULL;
|
|
|
|
//
|
|
// Find out the number of entries the stack has. It returns this as part of
|
|
// the IP Stats
|
|
//
|
|
|
|
dwResult = GetIpStatsFromStack(&IpSnmpInfo);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpAddrTableFromStack: Couldnt get Ip Stats From stack. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
//
|
|
// Add extra to take care of increase between the two calls
|
|
//
|
|
|
|
dwCount = IpSnmpInfo.dwNumAddr + OVERFLOW_COUNT;
|
|
dwOutBufLen = SIZEOF_IPADDRTABLE(dwCount);
|
|
|
|
*ppIpAddrTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutBufLen);
|
|
|
|
if(*ppIpAddrTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpAddrTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
if(IpSnmpInfo.dwNumAddr is 0)
|
|
{
|
|
//
|
|
// Just return an empty table.
|
|
// We do this because there is some code in MIB-II agent that
|
|
// expects to get a table back, even if there are not entries in
|
|
// it.
|
|
//
|
|
|
|
|
|
(*ppIpAddrTable)->dwNumEntries = 0;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
dwResult = GetIpAddrTableFromStack(*ppIpAddrTable,
|
|
dwOutBufLen,
|
|
bOrder);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpAddrTableFromStack: Error %d GetIpAddrTableFromStack",
|
|
dwResult);
|
|
HeapFree(hHeap, dwFlags, *ppIpAddrTable);
|
|
*ppIpAddrTable = NULL;
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIpAddrTableFromStack(
|
|
OUT PMIB_IPADDRTABLE pIpAddrTable,
|
|
IN DWORD dwSize,
|
|
IN BOOL bOrder
|
|
)
|
|
{
|
|
DWORD dwOutBufLen, dwInBufLen, dwResult;
|
|
BYTE *Context;
|
|
TDIObjectID *ID;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = IP_MIB_ADDRTABLE_ENTRY_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
|
|
ZeroMemory(Context,CONTEXT_SIZE);
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = dwSize - FIELD_OFFSET(MIB_IPADDRTABLE, table[0]);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)(pIpAddrTable->table),
|
|
&dwOutBufLen);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetIpAddrTableFromStack: Couldnt Query information from stack. Error %x",
|
|
dwResult);
|
|
|
|
return (dwResult);
|
|
}
|
|
|
|
pIpAddrTable->dwNumEntries = (dwOutBufLen / sizeof(MIB_IPADDRROW));
|
|
|
|
//
|
|
// Now sort the address table. Key is IP address.
|
|
//
|
|
|
|
if((pIpAddrTable->dwNumEntries > 0) and bOrder)
|
|
{
|
|
qsort(pIpAddrTable->table,
|
|
pIpAddrTable->dwNumEntries,
|
|
sizeof(MIB_IPADDRROW),
|
|
CompareIpAddrRow);
|
|
}
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetTcpTableFromStack(
|
|
OUT MIB_TCPTABLE **ppTcpTable,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags
|
|
)
|
|
{
|
|
DWORD dwResult,dwCount;
|
|
DWORD dwOutBufLen;
|
|
MIB_TCPSTATS TcpInfo;
|
|
|
|
*ppTcpTable = NULL;
|
|
|
|
//
|
|
// Find out the number of entries the stack has. It returns this as part of
|
|
// the Tcp Stats
|
|
//
|
|
|
|
dwResult = GetTcpStatsFromStack(&TcpInfo);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetTcpTableFromStack: Couldnt get Tcp Stats From stack. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
|
|
dwCount = TcpInfo.dwNumConns + OVERFLOW_COUNT;
|
|
dwOutBufLen = SIZEOF_TCPTABLE(dwCount);
|
|
|
|
*ppTcpTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutBufLen);
|
|
|
|
if(*ppTcpTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"AllocateAndGetTcpTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
if(TcpInfo.dwNumConns is 0)
|
|
{
|
|
(*ppTcpTable)->dwNumEntries = 0;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
dwResult = GetTcpTableFromStack(*ppTcpTable,
|
|
dwOutBufLen,
|
|
bOrder);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetTcpTableFromStack: Error %d GetTcpTableFromStack",
|
|
dwResult);
|
|
HeapFree(hHeap, dwFlags, *ppTcpTable);
|
|
*ppTcpTable = NULL;
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetTcpTableFromStack(
|
|
OUT PMIB_TCPTABLE pTcpTable,
|
|
IN DWORD dwSize,
|
|
IN BOOL bOrder
|
|
)
|
|
{
|
|
DWORD dwInBufLen, dwOutBufLen, dwResult;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CO_TL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = TCP_MIB_TABLE_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory( Context, CONTEXT_SIZE );
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = dwSize - FIELD_OFFSET(MIB_TCPTABLE, table[0]);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)(pTcpTable->table),
|
|
&dwOutBufLen);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetTcpTableFromStack: Couldnt query stack. Error %x",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
pTcpTable->dwNumEntries = (dwOutBufLen/sizeof(MIB_TCPROW));
|
|
|
|
if((pTcpTable->dwNumEntries > 0) and bOrder)
|
|
{
|
|
|
|
qsort(pTcpTable->table,
|
|
pTcpTable->dwNumEntries,
|
|
sizeof(MIB_TCPROW),
|
|
CompareTcpRow);
|
|
|
|
}
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
SetTcpEntryToStack(
|
|
IN PMIB_TCPROW pTcpRow
|
|
)
|
|
{
|
|
TCP_REQUEST_SET_INFORMATION_EX *ptrsiInBuf;
|
|
TDIObjectID *ID;
|
|
MIB_TCPROW *copyInfo;
|
|
DWORD dwInBufLen,dwOutBufLen,dwResult;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_SET_INFORMATION_EX) + \
|
|
sizeof(MIB_TCPROW) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
|
|
ptrsiInBuf = (TCP_REQUEST_SET_INFORMATION_EX *)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &ptrsiInBuf->ID;
|
|
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_entity.tei_entity = CO_TL_ENTITY;
|
|
ID->toi_id = TCP_MIB_TABLE_ID;
|
|
ID->toi_entity.tei_instance = 0;
|
|
|
|
copyInfo = (MIB_TCPROW*)ptrsiInBuf->Buffer;
|
|
*copyInfo = *pTcpRow;
|
|
|
|
ptrsiInBuf->BufferSize = sizeof(TCPConnTableEntry);
|
|
|
|
dwResult = TCPSetInformationEx((PVOID)ptrsiInBuf,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetUdpTableFromStack(
|
|
OUT MIB_UDPTABLE **ppUdpTable,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags
|
|
)
|
|
{
|
|
DWORD dwResult, dwCount, dwOutBufLen;
|
|
MIB_UDPSTATS UdpInfo;
|
|
|
|
*ppUdpTable = NULL;
|
|
|
|
//
|
|
// Find out the number of entries the stack has. It returns this as part of
|
|
// the Tcp Stats
|
|
//
|
|
|
|
dwResult = GetUdpStatsFromStack(&UdpInfo);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetUdpTableFromStack: Couldnt get Udp Stats From stack. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = UdpInfo.dwNumAddrs + OVERFLOW_COUNT;
|
|
|
|
dwOutBufLen = SIZEOF_UDPTABLE(dwCount);
|
|
|
|
*ppUdpTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutBufLen);
|
|
if(*ppUdpTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"AllocateAndGetUdpTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
if(UdpInfo.dwNumAddrs is 0)
|
|
{
|
|
(*ppUdpTable)->dwNumEntries = 0;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
dwResult = GetUdpTableFromStack(*ppUdpTable,
|
|
dwOutBufLen,
|
|
bOrder);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetUdpTableFromStack: Error %d GetUdpTableFromStack",
|
|
dwResult);
|
|
HeapFree(hHeap, dwFlags, *ppUdpTable);
|
|
*ppUdpTable = NULL;
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetUdpTableFromStack(
|
|
OUT PMIB_UDPTABLE pUdpTable,
|
|
IN DWORD dwSize,
|
|
IN BOOL bOrder
|
|
)
|
|
{
|
|
DWORD dwInBufLen, dwOutBufLen, dwResult;
|
|
BYTE *Context;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
TDIObjectID *ID;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CL_TL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = UDP_MIB_TABLE_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory( Context, CONTEXT_SIZE );
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = dwSize - FIELD_OFFSET(MIB_UDPTABLE, table[0]);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)(pUdpTable->table),
|
|
&dwOutBufLen);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetUdpTableFromStack: Couldnt query TCP information. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
pUdpTable->dwNumEntries = (dwOutBufLen / sizeof(MIB_UDPROW));
|
|
|
|
//
|
|
// Now sort the UDP connection table. Keys are: local address, and local
|
|
// port.
|
|
//
|
|
|
|
if((pUdpTable->dwNumEntries > 0) and bOrder)
|
|
{
|
|
qsort(pUdpTable->table,
|
|
pUdpTable->dwNumEntries,
|
|
sizeof(MIB_UDPROW),
|
|
CompareUdpRow);
|
|
}
|
|
|
|
TraceLeave("GetUdpTableFromStack");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetIpForwardTableFromStack(
|
|
OUT MIB_IPFORWARDTABLE **ppForwardTable,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags
|
|
)
|
|
{
|
|
DWORD dwResult,dwCount,dwOutBufLen;
|
|
MIB_IPSTATS IpInfo;
|
|
DWORD dwLoops;
|
|
|
|
TraceEnter("AllocateAndGetIpForwardTableFromStack");
|
|
|
|
*ppForwardTable = NULL;
|
|
|
|
dwLoops = 0;
|
|
|
|
while(dwLoops <= 1)
|
|
{
|
|
//
|
|
// Find out the number of entries the stack has. It returns this as
|
|
// part of the IP Stats
|
|
//
|
|
|
|
dwResult = GetIpStatsFromStack(&IpInfo);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt get Ip Stats From stack. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = IpInfo.dwNumRoutes + ROUTE_OVERFLOW_COUNT + (dwLoops * 50);
|
|
|
|
dwOutBufLen = SIZEOF_IPFORWARDTABLE(dwCount);
|
|
|
|
*ppForwardTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutBufLen);
|
|
|
|
if(*ppForwardTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpForwardTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
if(IpInfo.dwNumRoutes is 0)
|
|
{
|
|
(*ppForwardTable)->dwNumEntries = 0;
|
|
|
|
TraceLeave("AllocateAndGetIPForwardTableFromStack");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
dwResult = GetIpForwardTableFromStack(*ppForwardTable,
|
|
dwOutBufLen,
|
|
bOrder);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpForwardTableFromStack: Error %d GetIpForwardTableFromStack",
|
|
dwResult);
|
|
|
|
HeapFree(hHeap,
|
|
dwFlags,
|
|
*ppForwardTable);
|
|
|
|
*ppForwardTable = NULL;
|
|
}
|
|
|
|
if(dwResult is ERROR_MORE_DATA)
|
|
{
|
|
dwLoops++;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIpForwardTableFromStack(
|
|
OUT PMIB_IPFORWARDTABLE pForwardTable,
|
|
IN DWORD dwSize,
|
|
IN BOOL bOrder
|
|
)
|
|
{
|
|
DWORD dwInBufLen, dwOutBufLen, dwNumRoutes;
|
|
DWORD i, dwCount, dwResult;
|
|
UCHAR *Context;
|
|
TDIObjectID *ID;
|
|
MIB_IPSTATS IpInfo;
|
|
IPRouteEntry *pTempTable;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
|
|
//
|
|
// How many routes can the input buffer hold?
|
|
//
|
|
|
|
dwNumRoutes = (dwSize - FIELD_OFFSET(MIB_IPFORWARDTABLE,table[0]))/sizeof(MIB_IPFORWARDROW);
|
|
|
|
//
|
|
// Find out the number of entries the stack has. It returns this as part of
|
|
// the IP Stats
|
|
//
|
|
|
|
dwResult = GetIpStatsFromStack(&IpInfo);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt get Ip Stats From stack. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = IpInfo.dwNumRoutes + ROUTE_OVERFLOW_COUNT;
|
|
dwOutBufLen = dwCount * sizeof(IPRouteEntry);
|
|
|
|
pTempTable = HeapAlloc(g_hPrivateHeap,
|
|
0,
|
|
dwOutBufLen);
|
|
|
|
if(pTempTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"Couldnt allocate memory for temporary table. Error %d",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = IP_MIB_RTTABLE_ENTRY_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context,
|
|
CONTEXT_SIZE );
|
|
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pTempTable,
|
|
&dwOutBufLen );
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pTempTable);
|
|
|
|
Trace1(ERR,"Couldnt query stack. Error %x",
|
|
dwResult);
|
|
|
|
TraceLeave("GetIpForwardTableFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = (dwOutBufLen / sizeof(IPRouteEntry));
|
|
|
|
if(dwNumRoutes >= dwCount)
|
|
{
|
|
//
|
|
// There is space for all the entries returned by the stack
|
|
//
|
|
|
|
pForwardTable->dwNumEntries = dwCount;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Take the first dwNumRoute entries
|
|
//
|
|
|
|
pForwardTable->dwNumEntries = dwNumRoutes;
|
|
|
|
dwResult = ERROR_MORE_DATA;
|
|
}
|
|
|
|
|
|
for (i = 0; i < pForwardTable->dwNumEntries; i++ )
|
|
{
|
|
ConvertRouteToForward(&(pTempTable[i]),
|
|
&(pForwardTable->table[i]));
|
|
}
|
|
|
|
HeapFree(g_hPrivateHeap,
|
|
0,
|
|
pTempTable);
|
|
|
|
if((pForwardTable->dwNumEntries > 0) and bOrder)
|
|
{
|
|
qsort(pForwardTable->table,
|
|
pForwardTable->dwNumEntries,
|
|
sizeof(MIB_IPFORWARDROW),
|
|
CompareIpForwardRow);
|
|
}
|
|
|
|
TraceLeave("GetIPForwardTableFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetIpNetTableFromStack(
|
|
OUT MIB_IPNETTABLE **ppNetTable,
|
|
IN BOOL bOrder,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwFlags,
|
|
IN BOOL bForceUpdate
|
|
)
|
|
{
|
|
DWORD dwResult, dwOutBufLen, dwNetEntryCount;
|
|
DWORD dwCount;
|
|
|
|
|
|
TraceEnter("AllocateAndGetIpNetTableFromStack");
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
*ppNetTable = NULL;
|
|
|
|
EnterCriticalSection(&g_ipNetLock);
|
|
|
|
dwResult = GetArpEntryCount(&dwNetEntryCount);
|
|
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpNetTableFromStack: Couldnt query Information from stack. Error %x",
|
|
dwResult);
|
|
|
|
TraceLeave("AllocateAndGetIpNetTableFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
//
|
|
// This is generally a memory hog
|
|
//
|
|
|
|
dwCount = dwNetEntryCount + (g_dwNumArpEntEntries) * OVERFLOW_COUNT;
|
|
dwOutBufLen = SIZEOF_IPNETTABLE(dwCount);
|
|
|
|
*ppNetTable = HeapAlloc(hHeap,
|
|
dwFlags,
|
|
dwOutBufLen);
|
|
|
|
if(*ppNetTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpNetTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
TraceLeave("AllocateAndGetIpNetTableFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
if(dwNetEntryCount is 0)
|
|
{
|
|
(*ppNetTable)->dwNumEntries = 0;
|
|
|
|
TraceLeave("AllocateAndGetIpNetTableFromStack");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
dwResult = GetIpNetTableFromStack(*ppNetTable,
|
|
dwOutBufLen,
|
|
bOrder,
|
|
bForceUpdate);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"AllocateAndGetIpNetTableFromStack: Error %d GetIpNetTableFromStack",
|
|
dwResult);
|
|
HeapFree(hHeap, dwFlags, *ppNetTable);
|
|
*ppNetTable = NULL;
|
|
}
|
|
|
|
TraceLeave("AllocateAndGetIpNetTableFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIpNetTableFromStack(
|
|
OUT PMIB_IPNETTABLE pNetTable,
|
|
IN DWORD dwSize,
|
|
IN BOOL bOrder,
|
|
IN BOOL bForceUpdate
|
|
)
|
|
{
|
|
TDIObjectID *ID;
|
|
PBYTE pbyEnd, pbyStart, Context;
|
|
DWORD dwNumAdded,dwValidNetEntries;
|
|
DWORD dwInBufLen,dwOutBufLen;
|
|
DWORD dwResult, dwErr, i;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
dwValidNetEntries = 0;
|
|
|
|
dwErr = NO_ERROR;
|
|
|
|
//
|
|
// Now query the stack for the IpNet tables of each of the arp entities
|
|
//
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory( Context, CONTEXT_SIZE );
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = AT_ENTITY;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_id = AT_MIB_ADDRXLAT_ENTRY_ID;
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
|
|
pbyStart = (PBYTE)(pNetTable->table);
|
|
pbyEnd = (PBYTE)((PBYTE)pNetTable + dwSize);
|
|
|
|
EnterCriticalSection(&g_ipNetLock);
|
|
|
|
if(bForceUpdate or
|
|
(g_dwLastArpUpdateTime is 0) or
|
|
((GetCurrentTime() - g_dwLastArpUpdateTime) > ARP_CACHE_LIFE))
|
|
{
|
|
dwResult = UpdateAdapterToATInstanceMapping();
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
Trace1(ERR,
|
|
"GetIpNetTableFromStack: Couldnt update AT Map. Error %d",
|
|
dwResult);
|
|
|
|
TraceLeave("GetIpNetTableFromStack");
|
|
|
|
return ERROR_CAN_NOT_COMPLETE;
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < g_dwNumArpEntEntries; i++ )
|
|
{
|
|
//
|
|
// If the current buffer wont hold even one row, stop
|
|
//
|
|
|
|
dwOutBufLen = (DWORD)(pbyEnd - pbyStart);
|
|
|
|
if(dwOutBufLen < sizeof(MIB_IPNETROW))
|
|
{
|
|
dwErr = ERROR_MORE_DATA;
|
|
|
|
break;
|
|
}
|
|
|
|
ID->toi_entity.tei_instance = g_pdwArpEntTable[i];
|
|
|
|
ZeroMemory(Context, CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pbyStart,
|
|
&dwOutBufLen);
|
|
|
|
if (dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Query to Arp Entity id %d for ARP Table failed. Error %d",
|
|
dwResult);
|
|
|
|
dwErr = ERROR_MORE_DATA;
|
|
|
|
continue;
|
|
}
|
|
|
|
dwNumAdded = dwOutBufLen/(sizeof(MIB_IPNETROW));
|
|
pbyStart += dwOutBufLen;
|
|
dwValidNetEntries += dwNumAdded;
|
|
}
|
|
|
|
pNetTable->dwNumEntries = dwValidNetEntries;
|
|
|
|
//
|
|
// Now sort the net table. Keys are IF index and address
|
|
//
|
|
|
|
if((dwValidNetEntries > 0) and bOrder)
|
|
{
|
|
qsort(pNetTable->table,
|
|
dwValidNetEntries,
|
|
sizeof(MIB_IPNETROW),
|
|
CompareIpNetRow);
|
|
}
|
|
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
TraceLeave("GetIpNetTableFromStack");
|
|
|
|
return dwErr;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIpStatsFromStackEx(
|
|
OUT PMIB_IPSTATS pIpStats,
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
DWORD dwResult, dwInBufLen, dwOutBufLen;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
|
|
TraceEnter("GetIpStatsFromStackEx");
|
|
|
|
if ((dwFamily != AF_INET) && (dwFamily != AF_INET6))
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
CheckTcpipState();
|
|
if (((dwFamily == AF_INET) && !g_bIpConfigured) ||
|
|
((dwFamily == AF_INET6) && !g_bIp6Configured))
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = sizeof(MIB_IPSTATS);
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = IP_MIB_STATS_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context, CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(dwFamily,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pIpStats,
|
|
&dwOutBufLen);
|
|
|
|
if (dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt query stack. Error %d",
|
|
dwResult);
|
|
TraceLeave("GetIpStatsFromStackEx");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
TraceLeave("GetIpStatsFromStackEx");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIpStatsFromStack(
|
|
OUT PMIB_IPSTATS pIpStats
|
|
)
|
|
{
|
|
return GetIpStatsFromStackEx(pIpStats, AF_INET);
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
SetIpStatsToStack(
|
|
IN PMIB_IPSTATS pIpStats
|
|
)
|
|
{
|
|
TCP_REQUEST_SET_INFORMATION_EX *ptrsiInBuf;
|
|
TDIObjectID *ID;
|
|
MIB_IPSTATS *copyInfo;
|
|
DWORD dwInBufLen,dwOutBufLen,dwResult;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_SET_INFORMATION_EX) + \
|
|
sizeof(MIB_IPSTATS) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
ptrsiInBuf = (TCP_REQUEST_SET_INFORMATION_EX *)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
TraceEnter("SetIpStatsToStack");
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &ptrsiInBuf->ID;
|
|
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_id = IP_MIB_STATS_ID;
|
|
ID->toi_entity.tei_instance = 0;
|
|
|
|
copyInfo = (MIB_IPSTATS*)ptrsiInBuf->Buffer;
|
|
*copyInfo = *pIpStats;
|
|
|
|
ptrsiInBuf->BufferSize = sizeof(IPSNMPInfo);
|
|
|
|
dwResult = TCPSetInformationEx((PVOID)ptrsiInBuf,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
|
|
TraceLeave("SetIpStatsToStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIcmpStatsFromStackEx(
|
|
OUT PVOID pIcmpStats,
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen;
|
|
DWORD dwOutBufLen;
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
TraceEnter("GetIcmpStatsFromStackEx");
|
|
|
|
if ((dwFamily != AF_INET) && (dwFamily != AF_INET6))
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
CheckTcpipState();
|
|
if (((dwFamily == AF_INET) && !g_bIpConfigured) ||
|
|
((dwFamily == AF_INET6) && !g_bIp6Configured))
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
|
|
if (dwFamily == AF_INET)
|
|
{
|
|
ID->toi_entity.tei_entity = ER_ENTITY;
|
|
ID->toi_id = ICMP_MIB_STATS_ID;
|
|
|
|
dwOutBufLen = sizeof(MIB_ICMP);
|
|
}
|
|
else
|
|
{
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_id = ICMP6_MIB_STATS_ID;
|
|
|
|
dwOutBufLen = sizeof(ICMPv6SNMPInfo);
|
|
}
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context,CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(dwFamily,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pIcmpStats,
|
|
&dwOutBufLen);
|
|
|
|
if (dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt query stack. Error %x",
|
|
dwResult);
|
|
TraceLeave("GetIcmpStatsFromStackEx");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
TraceLeave("GetIcmpStatsFromStackEx");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetIcmpStatsFromStack(
|
|
OUT PMIB_ICMP pIcmpStats
|
|
)
|
|
{
|
|
return GetIcmpStatsFromStackEx(pIcmpStats, AF_INET);
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetUdpStatsFromStackEx(
|
|
OUT PMIB_UDPSTATS pUdpStats,
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen;
|
|
DWORD dwOutBufLen;
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
TraceEnter("GetUdpStatsFromStack");
|
|
|
|
if ((dwFamily != AF_INET) && (dwFamily != AF_INET6))
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
CheckTcpipState();
|
|
if (((dwFamily == AF_INET) && !g_bIpConfigured) ||
|
|
((dwFamily == AF_INET6) && !g_bIp6Configured))
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = sizeof(MIB_UDPSTATS);
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CL_TL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = UDP_MIB_STAT_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory( Context, CONTEXT_SIZE );
|
|
|
|
dwResult = TCPQueryInformationEx(dwFamily,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pUdpStats,
|
|
&dwOutBufLen );
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt query stack. Error %x",
|
|
dwResult);
|
|
TraceLeave("GetUdpStatsFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
TraceLeave("GetUdpStatsFromStack");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetUdpStatsFromStack(
|
|
OUT PMIB_UDPSTATS pUdpStats
|
|
)
|
|
{
|
|
return GetUdpStatsFromStackEx(pUdpStats, AF_INET);
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetTcpStatsFromStackEx(
|
|
OUT PMIB_TCPSTATS pTcpStats,
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen;
|
|
DWORD dwOutBufLen;
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
TraceEnter("GetTcpStatsFromStack");
|
|
|
|
if ((dwFamily != AF_INET) && (dwFamily != AF_INET6))
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
CheckTcpipState();
|
|
if (((dwFamily == AF_INET) && !g_bIpConfigured) ||
|
|
((dwFamily == AF_INET6) && !g_bIp6Configured))
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
dwInBufLen = sizeof( TCP_REQUEST_QUERY_INFORMATION_EX );
|
|
dwOutBufLen = sizeof( MIB_TCPSTATS );
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = CO_TL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = TCP_MIB_STAT_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context,CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(dwFamily,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pTcpStats,
|
|
&dwOutBufLen );
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"Couldnt query stack. Error %x",
|
|
dwResult);
|
|
TraceLeave("GetTcpStatsFromStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
TraceLeave("GetTcpStatsFromStack");
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetTcpStatsFromStack(
|
|
OUT PMIB_TCPSTATS pTcpStats
|
|
)
|
|
{
|
|
return GetTcpStatsFromStackEx(pTcpStats, AF_INET);
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
SetIpNetEntryToStack(
|
|
IN MIB_IPNETROW *pNetRow,
|
|
IN BOOL bForceUpdate
|
|
)
|
|
{
|
|
TCP_REQUEST_SET_INFORMATION_EX *ptrsiInBuf;
|
|
TDIObjectID *ID;
|
|
|
|
MIB_IPNETROW *copyInfo;
|
|
DWORD dwInBufLen,dwOutBufLen,dwResult;
|
|
DWORD dwInstance;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_SET_INFORMATION_EX) + \
|
|
sizeof(MIB_IPNETROW) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
ptrsiInBuf = (TCP_REQUEST_SET_INFORMATION_EX *)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
TraceEnter("SetIpNetEntryToStack");
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
EnterCriticalSection(&g_ipNetLock);
|
|
|
|
if(bForceUpdate or
|
|
(g_dwLastArpUpdateTime is 0) or
|
|
((GetCurrentTime() - g_dwLastArpUpdateTime) < ARP_CACHE_LIFE))
|
|
{
|
|
dwResult = UpdateAdapterToATInstanceMapping();
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
Trace1(ERR,"Couldnt update AT Map. Error %d",dwResult);
|
|
TraceLeave("SetIpNetEntryToStack");
|
|
|
|
return ERROR_CAN_NOT_COMPLETE;
|
|
}
|
|
}
|
|
|
|
dwInstance = GetATInstanceFromAdapter(pNetRow->dwIndex);
|
|
|
|
if(dwInstance is INVALID_AT_INSTANCE)
|
|
{
|
|
dwResult = UpdateAdapterToATInstanceMapping();
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
Trace1(ERR,"Couldnt update AT Map. Error %d",dwResult);
|
|
|
|
return ERROR_CAN_NOT_COMPLETE;
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
ID = &ptrsiInBuf->ID;
|
|
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_entity.tei_entity = AT_ENTITY;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = AT_MIB_ADDRXLAT_ENTRY_ID;
|
|
ID->toi_entity.tei_instance = dwInstance;
|
|
|
|
//
|
|
// Since MIB_IPNETROW is a fixed size structure
|
|
//
|
|
|
|
copyInfo = (MIB_IPNETROW*)ptrsiInBuf->Buffer;
|
|
*copyInfo = *pNetRow;
|
|
dwOutBufLen = 0;
|
|
|
|
ptrsiInBuf->BufferSize = sizeof(IPNetToMediaEntry);
|
|
|
|
|
|
dwResult = TCPSetInformationEx((PVOID)ptrsiInBuf,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
|
|
TraceLeave("SetIpNetEntryToStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
DWORD
|
|
FlushIpNetTableFromStack(
|
|
IN DWORD dwIfIndex
|
|
)
|
|
{
|
|
#ifdef _WIN95_
|
|
|
|
return ERROR_NOT_SUPPORTED;
|
|
|
|
#else
|
|
|
|
DWORD status;
|
|
DWORD requestBufferSize = sizeof(DWORD);
|
|
DWORD OutBufLen= 0;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
status = TCPSendIoctl(g_hIPDriverHandle,
|
|
IOCTL_IP_FLUSH_ARP_TABLE,
|
|
&dwIfIndex,
|
|
&requestBufferSize,
|
|
NULL,
|
|
&OutBufLen);
|
|
|
|
#endif
|
|
return(status);
|
|
|
|
}
|
|
|
|
DWORD
|
|
SetProxyArpEntryToStack(
|
|
DWORD dwAddress,
|
|
DWORD dwMask,
|
|
DWORD dwAdapterIndex,
|
|
BOOL bAddEntry,
|
|
BOOL bForceUpdate
|
|
)
|
|
{
|
|
DWORD dwResult, dwATInstance, dwInBufLen, dwOutBufLen;
|
|
ProxyArpEntry *pEntry;
|
|
TDIObjectID *pID;
|
|
|
|
PTCP_REQUEST_SET_INFORMATION_EX ptrsiInBuf;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_SET_INFORMATION_EX) + \
|
|
sizeof(ProxyArpEntry) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
ptrsiInBuf = (TCP_REQUEST_SET_INFORMATION_EX *)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
TraceEnter("SetProxyArpEntryToStack");
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
EnterCriticalSection(&g_ipNetLock);
|
|
|
|
if(bForceUpdate or
|
|
(g_dwLastArpUpdateTime is 0) or
|
|
((GetCurrentTime() - g_dwLastArpUpdateTime) < ARP_CACHE_LIFE))
|
|
{
|
|
dwResult = UpdateAdapterToATInstanceMapping();
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
Trace1(ERR,"Couldnt update AT Map. Error %d",dwResult);
|
|
|
|
TraceLeave("SetProxyArpEntryToStack");
|
|
|
|
return ERROR_CAN_NOT_COMPLETE;
|
|
}
|
|
}
|
|
|
|
dwATInstance = GetATInstanceFromAdapter(dwAdapterIndex);
|
|
|
|
if(dwATInstance is INVALID_IF_INSTANCE)
|
|
{
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
Trace1(ERR,
|
|
"SetProxyArpEntryToStacki: Couldnt get AT instance for %d",
|
|
dwAdapterIndex);
|
|
|
|
TraceLeave("SetProxyArpEntryToStack");
|
|
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
LeaveCriticalSection(&g_ipNetLock);
|
|
|
|
pID = &ptrsiInBuf->ID;
|
|
|
|
pID->toi_entity.tei_entity = AT_ENTITY;
|
|
pID->toi_entity.tei_instance = dwATInstance;
|
|
|
|
pID->toi_type = INFO_TYPE_PROVIDER;
|
|
pID->toi_class = INFO_CLASS_IMPLEMENTATION;
|
|
pID->toi_id = AT_ARP_PARP_ENTRY_ID;
|
|
|
|
//
|
|
// Fill in the set entry, and pass it down.
|
|
//
|
|
|
|
pEntry = (ProxyArpEntry *)ptrsiInBuf->Buffer;
|
|
|
|
pEntry->pae_status = (bAddEntry ? PAE_STATUS_VALID : PAE_STATUS_INVALID);
|
|
pEntry->pae_addr = dwAddress;
|
|
pEntry->pae_mask = dwMask;
|
|
|
|
ptrsiInBuf->BufferSize = sizeof(ProxyArpEntry);
|
|
|
|
dwOutBufLen = 0;
|
|
|
|
dwResult = TCPSetInformationEx((PVOID)ptrsiInBuf,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
|
|
TraceLeave("SetProxyArpEntryToStack");
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
GetArpEntryCount(
|
|
OUT PDWORD pdwNumEntries
|
|
)
|
|
{
|
|
DWORD dwResult, i;
|
|
DWORD dwInBufLen, dwOutBufLen;
|
|
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
TDIObjectID *ID;
|
|
UCHAR *Context;
|
|
AddrXlatInfo AXI;
|
|
|
|
*pdwNumEntries = 0;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory( Context, CONTEXT_SIZE );
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = AT_ENTITY;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
|
|
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
|
|
for (i = 0; i < g_dwNumArpEntEntries; i++ )
|
|
{
|
|
//
|
|
// First add up the AXI counts
|
|
//
|
|
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_id = AT_MIB_ADDRXLAT_INFO_ID;
|
|
ID->toi_entity.tei_instance = g_pdwArpEntTable[i];
|
|
|
|
dwOutBufLen = sizeof(AXI);
|
|
|
|
ZeroMemory(Context, CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
&AXI,
|
|
&dwOutBufLen);
|
|
|
|
if (dwResult == ERROR_INVALID_FUNCTION)
|
|
{
|
|
Trace0(ERR, "GetArpEntryCount: ERROR_INVALID_FUNCTION, axi_count = 0");
|
|
AXI.axi_count = 0;
|
|
}
|
|
else if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"GetArpEntryCount: Couldnt query Information from stack. Error %x",
|
|
dwResult);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
//
|
|
// Increment the total number of entries
|
|
//
|
|
|
|
*pdwNumEntries += AXI.axi_count;
|
|
}
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
AllocateAndGetArpEntTableFromStack(
|
|
OUT PDWORD *ppdwArpEntTable,
|
|
OUT PDWORD pdwNumEntries,
|
|
IN HANDLE hHeap,
|
|
IN DWORD dwAllocFlags,
|
|
IN DWORD dwReAllocFlags
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen;
|
|
DWORD dwOutBufLen;
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
DWORD dwATType;
|
|
UCHAR *Context;
|
|
TDIObjectID *ID;
|
|
TDIEntityID *pEntTable;
|
|
DWORD dwNumEntities,dwCurrEntries;
|
|
DWORD i,dwCount ;
|
|
|
|
TraceEnter("GetArpEntTableFromStack");
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
*ppdwArpEntTable = NULL;
|
|
*pdwNumEntries = 0;
|
|
|
|
pEntTable = GetTdiEntityCount(&dwNumEntities);
|
|
if (!pEntTable)
|
|
{
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
|
|
//
|
|
// Create a table that will hold 16 entries
|
|
//
|
|
|
|
dwCurrEntries = 16;
|
|
*ppdwArpEntTable = HeapAlloc(hHeap,
|
|
dwAllocFlags,
|
|
dwCurrEntries*sizeof(DWORD));
|
|
|
|
if(*ppdwArpEntTable is NULL)
|
|
{
|
|
dwResult = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Trace1(ERR,"GetArpEntTableFromStack: Couldnt allocate memory. Error %d",
|
|
dwResult);
|
|
|
|
HeapFree(g_hPrivateHeap,0,pEntTable);
|
|
return dwResult;
|
|
}
|
|
|
|
dwCount = 0;
|
|
|
|
Trace1(ERR, "Numberofentities %d \n", dwNumEntities);
|
|
|
|
for(i = 0; i < dwNumEntities; i++)
|
|
{
|
|
//
|
|
// See which ones are AT
|
|
//
|
|
|
|
if(pEntTable[i].tei_entity is AT_ENTITY)
|
|
{
|
|
//
|
|
// Query the entity to see if it supports ARP
|
|
//
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = AT_ENTITY;
|
|
ID->toi_class = INFO_CLASS_GENERIC;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = ENTITY_TYPE_ID;
|
|
ID->toi_entity.tei_instance = pEntTable[i].tei_instance;
|
|
|
|
Trace1(ERR,
|
|
"Querying for instance %d \n", pEntTable[i].tei_instance);
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = sizeof(dwATType);
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context,CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)&dwATType,
|
|
&dwOutBufLen );
|
|
|
|
if(dwResult is ERROR_INVALID_FUNCTION)
|
|
{
|
|
//
|
|
// Doesnt support ARP
|
|
//
|
|
|
|
continue;
|
|
}
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"GetArpEntTableFromStack: Couldnt query information. Error %x",
|
|
dwResult);
|
|
HeapFree(hHeap,0,*ppdwArpEntTable);
|
|
HeapFree(g_hPrivateHeap,0,pEntTable);
|
|
return dwResult;
|
|
}
|
|
|
|
if(dwATType is AT_ARP)
|
|
{
|
|
//
|
|
// The entity is an AT_ENTITY that supports ARP. Add the instance
|
|
// to the arp entity table. If the current count >= current size of
|
|
// table, means we have run out of space, so reallocate and get double
|
|
// the space
|
|
//
|
|
|
|
if(dwCount is dwCurrEntries)
|
|
{
|
|
PDWORD pdwNewTable;
|
|
pdwNewTable = HeapReAlloc(hHeap,
|
|
dwReAllocFlags,
|
|
(PVOID)*ppdwArpEntTable,
|
|
((dwCurrEntries)<<1)*sizeof(DWORD));
|
|
|
|
if(pdwNewTable is NULL)
|
|
{
|
|
dwResult = GetLastError();
|
|
|
|
Trace1(ERR,"GetArpEntTableFromStack: Couldnt reallocate memory. Error %d",
|
|
dwResult);
|
|
|
|
HeapFree(hHeap,0,*ppdwArpEntTable);
|
|
HeapFree(g_hPrivateHeap,0,pEntTable);
|
|
return dwResult;
|
|
}
|
|
*ppdwArpEntTable = pdwNewTable;
|
|
dwCurrEntries = dwCurrEntries<<1;
|
|
}
|
|
|
|
(*ppdwArpEntTable)[dwCount] = pEntTable[i].tei_instance;
|
|
|
|
dwCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
HeapFree(g_hPrivateHeap,0,pEntTable);
|
|
|
|
*pdwNumEntries = dwCount;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
SetIpForwardEntryToStack(
|
|
IN PMIB_IPFORWARDROW pForwardRow
|
|
)
|
|
{
|
|
IPRouteEntry route;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ConvertForwardToRoute((&route),pForwardRow);
|
|
|
|
return SetIpRouteEntryToStack(&route);
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
SetIpRouteEntryToStack(
|
|
IN IPRouteEntry *pRoute
|
|
)
|
|
{
|
|
TDIObjectID *pObject;
|
|
DWORD dwOutBufLen, dwInBufLen, dwResult;
|
|
|
|
TCP_REQUEST_SET_INFORMATION_EX *ptrsiBuffer;
|
|
IPRouteEntry *copyInfo;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_SET_INFORMATION_EX) + sizeof(IPRouteEntry) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
|
|
ptrsiBuffer = (TCP_REQUEST_SET_INFORMATION_EX *)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ptrsiBuffer->BufferSize = sizeof(IPRouteEntry);
|
|
|
|
pObject = &ptrsiBuffer->ID;
|
|
pObject->toi_id = IP_MIB_RTTABLE_ENTRY_ID;
|
|
pObject->toi_type = INFO_TYPE_PROVIDER;
|
|
pObject->toi_class = INFO_CLASS_PROTOCOL;
|
|
pObject->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
pObject->toi_entity.tei_instance = 0;
|
|
|
|
dwOutBufLen = 0;
|
|
|
|
copyInfo = (IPRouteEntry *)ptrsiBuffer->Buffer;
|
|
*copyInfo = *pRoute;
|
|
|
|
dwResult = TCPSetInformationEx((PVOID)ptrsiBuffer,
|
|
&dwInBufLen,
|
|
NULL,
|
|
&dwOutBufLen);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
|
|
DWORD
|
|
SetIpMultihopRouteEntryToStack(
|
|
IN IPMultihopRouteEntry *RouteEntry
|
|
)
|
|
{
|
|
ULONG inpbuflen;
|
|
ULONG outbuflen;
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
inpbuflen = sizeof(IPMultihopRouteEntry);
|
|
|
|
if (RouteEntry->imre_numnexthops > 2)
|
|
{
|
|
inpbuflen += (RouteEntry->imre_numnexthops - 2) *
|
|
sizeof(IPRouteNextHopEntry);
|
|
}
|
|
|
|
if (IsBadReadPtr(RouteEntry, inpbuflen)) {
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
return (TCPSendIoctl(
|
|
g_hIPDriverHandle,
|
|
IOCTL_IP_SET_MULTIHOPROUTE,
|
|
RouteEntry,
|
|
&inpbuflen,
|
|
NULL,
|
|
&outbuflen
|
|
));
|
|
}
|
|
|
|
|
|
DWORD
|
|
GetBestInterfaceFromStack(
|
|
DWORD dwDestAddress,
|
|
PDWORD pdwBestIfIndex
|
|
)
|
|
{
|
|
#ifdef _WIN95_
|
|
return ERROR_NOT_SUPPORTED;
|
|
#else
|
|
DWORD status;
|
|
DWORD requestBufferSize = sizeof(DWORD);
|
|
DWORD OutBufLen= sizeof(DWORD);
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
status = TCPSendIoctl(g_hIPGetDriverHandle,
|
|
IOCTL_IP_GET_BEST_INTERFACE,
|
|
&dwDestAddress,
|
|
&requestBufferSize,
|
|
pdwBestIfIndex,
|
|
&OutBufLen);
|
|
|
|
return(status);
|
|
|
|
#endif
|
|
}
|
|
// ========================================================================
|
|
//* TCPQueryInformationEx
|
|
//
|
|
// Description: Get information from the stack.
|
|
//
|
|
// Parameters: HANDLE hHandle: handle to the stack.
|
|
// TDIObjectID *ID: pointer to TDIObjectID info.
|
|
// void *Buffer: buffer to receive data from the stack.
|
|
// ulong *Bufferlen: IN: tells stack size of available buffer,
|
|
// OUT: tells us how much data is available.
|
|
// CONTEXT *Context: allows queries spanning more than one call.
|
|
//
|
|
// Returns: int:
|
|
//
|
|
//*
|
|
|
|
int
|
|
TCPQueryInformationEx(
|
|
DWORD Family,
|
|
void *InBuf,
|
|
ulong *InBufLen,
|
|
void *OutBuf,
|
|
ulong *OutBufLen
|
|
)
|
|
{
|
|
|
|
#ifdef CHICAGO
|
|
//
|
|
// This section is obsolete code
|
|
//
|
|
DWORD result;
|
|
|
|
if( ! pWsControl ) {
|
|
OpenTCPDriver(AF_INET);
|
|
}
|
|
if( ! pWsControl || (Family != AF_INET)) {
|
|
DEBUG_PRINT(("TCPQueryInformationEx: !pWsControl.\n"));
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
assert( pWsControl );
|
|
result = (
|
|
(*pWsControl)(
|
|
IPPROTO_TCP,
|
|
WSCNTL_TCPIP_QUERY_INFO,
|
|
InBuf,
|
|
InBufLen ,
|
|
OutBuf,
|
|
OutBufLen
|
|
) );
|
|
|
|
if( result ){
|
|
return ConvertTdiErrorToDosError(result);
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
#else
|
|
|
|
NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
HANDLE hEvent;
|
|
HANDLE hDriver = (Family == AF_INET)? g_hTCPDriverGetHandle :
|
|
g_hTCP6DriverGetHandle;
|
|
|
|
hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
|
|
if( NULL == hEvent ) return GetLastError();
|
|
|
|
Status = NtDeviceIoControlFile(hDriver,
|
|
hEvent,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
IOCTL_TCP_QUERY_INFORMATION_EX,
|
|
InBuf,
|
|
*InBufLen,
|
|
OutBuf,
|
|
*OutBufLen );
|
|
|
|
if ( Status == STATUS_PENDING )
|
|
{
|
|
|
|
Status = NtWaitForSingleObject(hEvent, FALSE, NULL );
|
|
|
|
Status = IoStatusBlock.Status;
|
|
}
|
|
|
|
CloseHandle(hEvent);
|
|
|
|
if ( !NT_SUCCESS( Status ) )
|
|
{
|
|
Trace1(ERR,"Device IOCTL failed in TCPQuery %x",Status);
|
|
*OutBufLen = 0;
|
|
return ( RtlNtStatusToDosError(Status) );
|
|
}
|
|
|
|
//
|
|
// Tell caller how much was written
|
|
//
|
|
|
|
*OutBufLen = (ULONG)IoStatusBlock.Information;
|
|
|
|
return ( NO_ERROR );
|
|
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
// ========================================================================
|
|
//* TCPSendIoctl
|
|
//
|
|
// Description: Get information from the stack.
|
|
//
|
|
// Parameters: HANDLE hHandle: handle to the stack.
|
|
// TDIObjectID *ID: pointer to TDIObjectID info.
|
|
// void *Buffer: buffer to receive data from the stack.
|
|
// ulong *Bufferlen: IN: tells stack size of available buffer,
|
|
// OUT: tells us how much data is available.
|
|
// CONTEXT *Context: allows queries spanning more than one call.
|
|
//
|
|
// Returns: int:
|
|
//
|
|
//*
|
|
|
|
int
|
|
TCPSendIoctl( HANDLE hHandle,
|
|
ulong Ioctl,
|
|
void *InBuf,
|
|
ulong *InBufLen,
|
|
void *OutBuf,
|
|
ulong *OutBufLen)
|
|
{
|
|
|
|
#ifdef CHICAGO
|
|
// OVERLAPPED overlap;
|
|
|
|
uint ok;
|
|
|
|
ok = DeviceIoControl( hHandle, Ioctl,
|
|
InBuf, *InBufLen,
|
|
OutBuf, *OutBufLen, OutBufLen,
|
|
NULL // &overlap
|
|
);
|
|
|
|
if( !ok ){
|
|
int err = GetLastError();
|
|
DEBUG_PRINT(("TCPSendIoctl: DeviceIoControl err %d\n", err ));
|
|
return err;
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
#else
|
|
|
|
NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
HANDLE hEvent;
|
|
|
|
hEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
|
|
if( NULL == hEvent ) return GetLastError();
|
|
ZeroMemory(&IoStatusBlock, sizeof(IoStatusBlock));
|
|
|
|
Status = NtDeviceIoControlFile(hHandle,
|
|
hEvent,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
Ioctl,
|
|
InBuf,
|
|
*InBufLen,
|
|
OutBuf,
|
|
*OutBufLen );
|
|
|
|
if ( Status == STATUS_PENDING )
|
|
{
|
|
Status = NtWaitForSingleObject( hEvent, FALSE, NULL );
|
|
Status = IoStatusBlock.Status;
|
|
}
|
|
|
|
CloseHandle(hEvent);
|
|
|
|
if ( !NT_SUCCESS( Status ) )
|
|
{
|
|
Trace1(ERR,"Device IOCTL failed in TCPSendIoctl %x",Status);
|
|
if (OutBufLen)
|
|
*OutBufLen = (ULONG)IoStatusBlock.Information;
|
|
return ( RtlNtStatusToDosError(Status) );
|
|
}
|
|
|
|
//
|
|
// Tell caller how much was written
|
|
//
|
|
if (OutBufLen)
|
|
*OutBufLen = (ULONG)IoStatusBlock.Information;
|
|
|
|
return ( NO_ERROR );
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
// ========================================================================
|
|
//* TCPSetInformationEx()
|
|
//
|
|
// Description: Send information to the stack
|
|
//
|
|
// Parameters: HANDLE hHandle: handle to the stack.
|
|
// TDIObjectID *ID: pointer to TDIObjectID info.
|
|
// void *Buffer: buffer to receive data from the stack.
|
|
// ulong Bufferlen: tells stack size of available buffer,
|
|
//
|
|
// Returns: int:
|
|
//
|
|
//*
|
|
|
|
int
|
|
TCPSetInformationEx(
|
|
void *InBuf,
|
|
ULONG *InBufLen,
|
|
void *OutBuf,
|
|
ULONG *OutBufLen
|
|
)
|
|
{
|
|
|
|
#ifdef CHICAGO
|
|
DWORD result;
|
|
|
|
if( ! pWsControl )
|
|
OpenTCPDriver(AF_INET);
|
|
if( ! pWsControl ){
|
|
DEBUG_PRINT(("TCPQueryInformationEx: !pWsControl.\n"));
|
|
return 0;
|
|
}
|
|
|
|
assert( pWsControl );
|
|
|
|
result = (
|
|
(*pWsControl)(
|
|
IPPROTO_TCP,
|
|
WSCNTL_TCPIP_SET_INFO,
|
|
InBuf,
|
|
InBufLen,
|
|
OutBuf,
|
|
OutBufLen
|
|
) );
|
|
|
|
if( result ){
|
|
return ConvertTdiErrorToDosError(result);
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
#else
|
|
|
|
|
|
NTSTATUS Status;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
|
|
if(g_hTCPDriverSetHandle is NULL)
|
|
{
|
|
return ERROR_NETWORK_ACCESS_DENIED;
|
|
}
|
|
|
|
Status = NtDeviceIoControlFile(g_hTCPDriverSetHandle,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
IOCTL_TCP_SET_INFORMATION_EX,
|
|
InBuf,
|
|
*InBufLen,
|
|
OutBuf,
|
|
*OutBufLen );
|
|
|
|
|
|
if ( Status == STATUS_PENDING )
|
|
{
|
|
Status = NtWaitForSingleObject(g_hTCPDriverSetHandle, FALSE, NULL );
|
|
Status = IoStatusBlock.Status;
|
|
}
|
|
|
|
if ( !NT_SUCCESS( Status ) )
|
|
{
|
|
return ( RtlNtStatusToDosError(Status) );
|
|
}
|
|
|
|
return ( NO_ERROR );
|
|
|
|
#endif
|
|
}
|
|
|
|
// ========================================================================
|
|
// SYNOPSIS: opens handles to tcpip driver.
|
|
//
|
|
// returns
|
|
// 0 == NO_ERROR == STATUS_SUCCESS on success.
|
|
// err or 1 on failure.
|
|
//
|
|
// - MohsinA, 02-Jul-97.
|
|
//
|
|
|
|
DWORD
|
|
OpenTCPDriver(
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
|
|
#ifdef CHICAGO
|
|
int err = 0;
|
|
|
|
if (dwFamily != AF_INET) {
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
hWsock = LoadLibrary(TEXT("wsock32.dll"));
|
|
|
|
if(! hWsock ){
|
|
err = GetLastError();
|
|
DEBUG_PRINT(("RTStartup: can't load wsock32.dll, %d\n", err ));
|
|
DEBUG_PRINT(("OpenTcp: !hWsock\n"));
|
|
return err? err: 1;
|
|
}
|
|
|
|
pWsControl = (LPWSCONTROL) GetProcAddress(hWsock, "WsControl");
|
|
|
|
if (! pWsControl ){
|
|
err = GetLastError();
|
|
DEBUG_PRINT((
|
|
"RTStartup: GetProcAddress(wsock32,WsControl) failed %d\n",
|
|
GetLastError()));
|
|
return err? err: 1;
|
|
}
|
|
|
|
// open the handle to VIP
|
|
|
|
g_hIPDriverHandle = NULL;
|
|
g_hIPGetDriverHandle = NULL;
|
|
|
|
#ifndef _WIN95_
|
|
g_hIPDriverHandle = OsOpenVxdHandle( "VIP", VIP_Device_ID );
|
|
|
|
if( ! g_hIPDriverHandle ){
|
|
err = GetLastError();
|
|
DEBUG_PRINT(("no ip handle, err %d\n", err ));
|
|
return err? err : 1;
|
|
}
|
|
|
|
g_hIPGetDriverHandle = g_hIPDriverHandle;
|
|
#endif
|
|
return NO_ERROR;
|
|
|
|
#else
|
|
|
|
NTSTATUS status;
|
|
UNICODE_STRING nameString;
|
|
IO_STATUS_BLOCK ioStatusBlock;
|
|
OBJECT_ATTRIBUTES objectAttributes;
|
|
PWCHAR pwszDdDeviceName;
|
|
HANDLE *pDriverGetHandle, *pDriverSetHandle;
|
|
|
|
switch (dwFamily) {
|
|
case AF_INET:
|
|
pwszDdDeviceName = DD_TCP_DEVICE_NAME;
|
|
pDriverGetHandle = &g_hTCPDriverGetHandle;
|
|
pDriverSetHandle = &g_hTCPDriverSetHandle;
|
|
break;
|
|
case AF_INET6:
|
|
pwszDdDeviceName = DD_TCPV6_DEVICE_NAME;
|
|
pDriverGetHandle = &g_hTCP6DriverGetHandle;
|
|
pDriverSetHandle = &g_hTCP6DriverSetHandle;
|
|
break;
|
|
default:
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
RtlInitUnicodeString(&nameString, pwszDdDeviceName);
|
|
|
|
InitializeObjectAttributes(&objectAttributes, &nameString,
|
|
OBJ_CASE_INSENSITIVE, NULL, NULL);
|
|
|
|
status = NtCreateFile(pDriverGetHandle,
|
|
GENERIC_EXECUTE,
|
|
&objectAttributes,
|
|
&ioStatusBlock,
|
|
NULL,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_OPEN_IF,
|
|
0,
|
|
NULL,
|
|
0);
|
|
|
|
if(status isnot STATUS_SUCCESS)
|
|
{
|
|
return ERROR_OPEN_FAILED;
|
|
}
|
|
|
|
RtlInitUnicodeString(&nameString, pwszDdDeviceName);
|
|
|
|
InitializeObjectAttributes(&objectAttributes, &nameString,
|
|
OBJ_CASE_INSENSITIVE, NULL, NULL);
|
|
|
|
|
|
NtCreateFile(pDriverSetHandle,
|
|
GENERIC_WRITE,
|
|
&objectAttributes,
|
|
&ioStatusBlock,
|
|
NULL,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_OPEN_IF,
|
|
0,
|
|
NULL,
|
|
0);
|
|
|
|
OpenIPDriver(dwFamily);
|
|
|
|
return NO_ERROR;
|
|
#endif
|
|
}
|
|
|
|
// ========================================================================
|
|
|
|
DWORD
|
|
CloseTCPDriver()
|
|
{
|
|
|
|
#ifdef CHICAGO
|
|
|
|
if( hWsock )
|
|
FreeLibrary( hWsock );
|
|
hWsock = NULL;
|
|
pWsControl = NULL;
|
|
|
|
if (g_hIPDriverHandle)
|
|
OsCloseVxdHandle( g_hIPDriverHandle );
|
|
|
|
g_hIPDriverHandle = NULL;
|
|
|
|
g_hIPGetDriverHandle = NULL;
|
|
|
|
#else
|
|
|
|
if(g_hTCPDriverGetHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hTCPDriverGetHandle) ;
|
|
}
|
|
|
|
if(g_hTCPDriverSetHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hTCPDriverSetHandle) ;
|
|
}
|
|
|
|
|
|
CloseIPDriver();
|
|
|
|
#endif
|
|
|
|
return NO_ERROR ;
|
|
}
|
|
|
|
DWORD
|
|
CloseTCP6Driver()
|
|
{
|
|
if(g_hTCP6DriverGetHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hTCP6DriverGetHandle) ;
|
|
}
|
|
|
|
if(g_hTCP6DriverSetHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hTCP6DriverSetHandle) ;
|
|
}
|
|
|
|
|
|
CloseIP6Driver();
|
|
|
|
return NO_ERROR ;
|
|
}
|
|
|
|
#ifndef CHICAGO
|
|
DWORD
|
|
OpenIPDriver(
|
|
IN DWORD dwFamily
|
|
)
|
|
{
|
|
NTSTATUS status;
|
|
UNICODE_STRING nameString;
|
|
IO_STATUS_BLOCK ioStatusBlock;
|
|
OBJECT_ATTRIBUTES objectAttributes;
|
|
PWCHAR pwszDdDeviceName;
|
|
LPCTSTR ptszWinDeviceName;
|
|
HANDLE *pDriverHandle, *pGetDriverHandle, *pChangeHandle;
|
|
|
|
switch (dwFamily) {
|
|
case AF_INET:
|
|
pwszDdDeviceName = DD_IP_DEVICE_NAME;
|
|
ptszWinDeviceName = TEXT ("\\\\.\\Ip");
|
|
pDriverHandle = &g_hIPDriverHandle;
|
|
pGetDriverHandle = &g_hIPGetDriverHandle;
|
|
pChangeHandle = &ChangeNotificationHandle;
|
|
break;
|
|
case AF_INET6:
|
|
pwszDdDeviceName = DD_IPV6_DEVICE_NAME;
|
|
ptszWinDeviceName = TEXT ("\\\\.\\Ip6");;
|
|
pDriverHandle = &g_hIP6GetDriverHandle;
|
|
pGetDriverHandle = &g_hIP6GetDriverHandle;
|
|
pChangeHandle = &Change6NotificationHandle;
|
|
break;
|
|
default:
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
RtlInitUnicodeString(&nameString, pwszDdDeviceName);
|
|
|
|
InitializeObjectAttributes(&objectAttributes, &nameString,
|
|
OBJ_CASE_INSENSITIVE, NULL, NULL);
|
|
|
|
status = NtCreateFile(pGetDriverHandle,
|
|
GENERIC_EXECUTE,
|
|
&objectAttributes, &ioStatusBlock, NULL,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_OPEN_IF, 0, NULL, 0);
|
|
|
|
if (status == STATUS_SUCCESS) {
|
|
|
|
RtlInitUnicodeString(&nameString, pwszDdDeviceName);
|
|
|
|
InitializeObjectAttributes(&objectAttributes, &nameString,
|
|
OBJ_CASE_INSENSITIVE, NULL, NULL);
|
|
|
|
NtCreateFile(pDriverHandle,
|
|
SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA,
|
|
&objectAttributes, &ioStatusBlock, NULL,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_OPEN_IF, 0, NULL, 0);
|
|
|
|
*pChangeHandle = CreateFile(ptszWinDeviceName,
|
|
GENERIC_EXECUTE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
|
|
NULL);
|
|
|
|
|
|
}
|
|
|
|
return (NO_ERROR);
|
|
|
|
}
|
|
|
|
DWORD
|
|
CloseIPDriver()
|
|
{
|
|
if(g_hIPDriverHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hIPDriverHandle) ;
|
|
}
|
|
|
|
if(g_hIPGetDriverHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hIPGetDriverHandle) ;
|
|
}
|
|
|
|
if (ChangeNotificationHandle isnot NULL)
|
|
{
|
|
CloseHandle (ChangeNotificationHandle);
|
|
}
|
|
|
|
return NO_ERROR ;
|
|
}
|
|
|
|
DWORD
|
|
CloseIP6Driver()
|
|
{
|
|
if(g_hIP6DriverHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hIP6DriverHandle) ;
|
|
}
|
|
|
|
if(g_hIP6GetDriverHandle isnot NULL)
|
|
{
|
|
CloseHandle (g_hIP6GetDriverHandle) ;
|
|
}
|
|
|
|
if (Change6NotificationHandle isnot NULL)
|
|
{
|
|
CloseHandle (Change6NotificationHandle);
|
|
}
|
|
|
|
return NO_ERROR ;
|
|
}
|
|
#endif
|
|
|
|
|
|
DWORD
|
|
GetBestRouteFromStack(
|
|
IN DWORD dwDestAddr,
|
|
IN DWORD dwSrcAddr, OPTIONAL
|
|
OUT PMIB_IPFORWARDROW pBestRoute
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen, dwOutBufLen;
|
|
TDIObjectID *ID;
|
|
BYTE *Context;
|
|
|
|
IPRouteEntry Route;
|
|
PIPRouteLookupData pLookup;
|
|
PTCP_REQUEST_QUERY_INFORMATION_EX ptrqiInBuf;
|
|
|
|
#define REQ_SIZE sizeof(TCP_REQUEST_QUERY_INFORMATION_EX) + \
|
|
sizeof(IPRouteLookupData) - 1
|
|
|
|
BYTE rgbyBuffer[REQ_SIZE + 4]; // +4 to avoid any alignment problems
|
|
|
|
|
|
ptrqiInBuf = (PTCP_REQUEST_QUERY_INFORMATION_EX)rgbyBuffer;
|
|
|
|
dwInBufLen = REQ_SIZE;
|
|
|
|
#undef REQ_SIZE
|
|
|
|
CheckTcpipState();
|
|
if (!g_bIpConfigured)
|
|
{
|
|
return ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
ID = &(ptrqiInBuf->ID);
|
|
|
|
pLookup = (PIPRouteLookupData)(ptrqiInBuf->Context);
|
|
|
|
pLookup->Version = 1;
|
|
pLookup->DestAdd = dwDestAddr;
|
|
pLookup->SrcAdd = dwSrcAddr;
|
|
|
|
ID->toi_entity.tei_entity = CL_NL_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_PROTOCOL;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = IP_MIB_SINGLE_RT_ENTRY_ID;
|
|
|
|
dwOutBufLen = sizeof(IPRouteEntry);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
ptrqiInBuf,
|
|
&dwInBufLen,
|
|
&Route,
|
|
&dwOutBufLen);
|
|
|
|
ConvertRouteToForward(&Route, pBestRoute);
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
TDIEntityID*
|
|
GetTdiEntityCount(
|
|
PULONG pulNumEntities
|
|
)
|
|
{
|
|
DWORD dwResult;
|
|
DWORD dwInBufLen;
|
|
DWORD dwOutBufLen;
|
|
TCP_REQUEST_QUERY_INFORMATION_EX trqiInBuf;
|
|
UCHAR *Context;
|
|
TDIObjectID *ID;
|
|
TDIEntityID *pEntTable = NULL;
|
|
|
|
TraceEnter("GetTdiEntityCount");
|
|
|
|
*pulNumEntities = 0;
|
|
|
|
dwInBufLen = sizeof(TCP_REQUEST_QUERY_INFORMATION_EX);
|
|
dwOutBufLen = sizeof(TDIEntityID) * MAX_TDI_ENTITIES;
|
|
|
|
pEntTable = (TDIEntityID*)HeapAlloc(g_hPrivateHeap,0,dwOutBufLen);
|
|
|
|
if (!pEntTable) {
|
|
Trace1(ERR,"GetTdiEntityCount: Couldnt allocate memory of size %d",
|
|
dwOutBufLen);
|
|
return NULL;
|
|
}
|
|
|
|
ID = &(trqiInBuf.ID);
|
|
|
|
ID->toi_entity.tei_entity = GENERIC_ENTITY;
|
|
ID->toi_entity.tei_instance = 0;
|
|
ID->toi_class = INFO_CLASS_GENERIC;
|
|
ID->toi_type = INFO_TYPE_PROVIDER;
|
|
ID->toi_id = ENTITY_LIST_ID;
|
|
|
|
Context = (BYTE *) &(trqiInBuf.Context[0]);
|
|
ZeroMemory(Context, CONTEXT_SIZE);
|
|
|
|
dwResult = TCPQueryInformationEx(AF_INET,
|
|
&trqiInBuf,
|
|
&dwInBufLen,
|
|
(PVOID)pEntTable,
|
|
&dwOutBufLen);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,"GetTdiEntityCount: Couldnt query information. Error %x",
|
|
dwResult);
|
|
|
|
HeapFree(g_hPrivateHeap,0,pEntTable);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
//
|
|
// Now we have all the TDI entities
|
|
//
|
|
|
|
*pulNumEntities = dwOutBufLen / sizeof(TDIEntityID);
|
|
|
|
|
|
return pEntTable;
|
|
}
|
|
|