78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
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extern "C" {
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <winsvc.h>
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#include <ipexport.h>
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#include <ipinfo.h>
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#include <llinfo.h>
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#include <routprot.h>
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#include <iprtrmib.h>
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DWORD
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UpdateArpCache(
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DWORD dwIfIndex,
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DWORD dwAddress,
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PBYTE pbMacAddr,
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DWORD dwMacAddrLength,
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BOOL bAddEntry,
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SUPPORT_FUNCTIONS *pFunctions
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) {
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DWORD dwErr, dwSize;
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if (bAddEntry) {
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DEFINE_MIB_BUFFER(pInfo, MIB_IPNETROW, pinme);
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pInfo->dwId = IP_NETROW;
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pinme->dwIndex = dwIfIndex;
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pinme->dwAddr = dwAddress;
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pinme->dwPhysAddrLen = dwMacAddrLength;
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RtlCopyMemory(
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pinme->bPhysAddr,
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pbMacAddr,
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dwMacAddrLength
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);
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dwSize = MIB_INFO_SIZE(MIB_IPNETROW);
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pinme->dwType = INME_TYPE_DYNAMIC;
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dwErr = pFunctions->MIBEntryCreate(
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IPRTRMGR_PID,
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dwSize,
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pInfo
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);
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}
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else {
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PMIB_OPAQUE_QUERY lproqQuery;
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BYTE pBuffer[
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FIELD_OFFSET(MIB_OPAQUE_QUERY, rgdwVarIndex) + 2 * sizeof(DWORD)
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];
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lproqQuery = (PMIB_OPAQUE_QUERY)pBuffer;
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lproqQuery->dwVarId = IP_NETROW;
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lproqQuery->rgdwVarIndex[0] = dwIfIndex;
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lproqQuery->rgdwVarIndex[1] = dwAddress;
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dwSize = sizeof(pBuffer);
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dwErr = pFunctions->MIBEntryDelete(
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IPRTRMGR_PID,
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dwSize,
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(PVOID)lproqQuery
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);
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}
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return dwErr;
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}
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}
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