321 lines
7.2 KiB
C
321 lines
7.2 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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iphlpapi\namemap.c
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Abstract:
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Contains all the functions for mapping an interface name to
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a friendly name
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Revision History:
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AmritanR Created
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--*/
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#include "inc.h"
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DWORD
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InitNameMappers(
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VOID
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)
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{
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DWORD dwResult, i;
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//
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// For now all we need are the mappers for LAN, RRAS, and IP in IP
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//
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TempTable[0].hDll = NULL;
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TempTable[0].pfnInit = InitLanNameMapper;
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TempTable[0].pfnDeinit = DeinitLanNameMapper;
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TempTable[0].pfnMapGuid = NhiGetLanConnectionNameFromGuid;
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TempTable[0].pfnMapName = NhiGetGuidFromLanConnectionName;
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TempTable[0].pfnGetDescription = NhiGetLanConnectionDescriptionFromGuid;
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TempTable[1].hDll = NULL;
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TempTable[1].pfnInit = InitRasNameMapper;
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TempTable[1].pfnDeinit = DeinitRasNameMapper;
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TempTable[1].pfnMapGuid = NhiGetPhonebookNameFromGuid;
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TempTable[1].pfnMapName = NhiGetGuidFromPhonebookName;
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TempTable[1].pfnGetDescription = NhiGetPhonebookDescriptionFromGuid;
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#ifdef KSL_IPINIP
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TempTable[2].hDll = NULL;
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TempTable[2].pfnInit = InitIpIpNameMapper;
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TempTable[2].pfnDeinit = DeinitIpIpNameMapper;
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TempTable[2].pfnMapGuid = NhiGetIpIpNameFromGuid;
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TempTable[2].pfnMapName = NhiGetGuidFromIpIpName;
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TempTable[2].pfnGetDescription = NhiGetIpIpDescriptionFromGuid;
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#endif //KSL_IPINIP
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g_pNameMapperTable = TempTable;
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g_ulNumNameMappers = sizeof(TempTable)/sizeof(NH_NAME_MAPPER);
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for(i = 0; i < g_ulNumNameMappers; i++)
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{
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if(g_pNameMapperTable[i].pfnInit)
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{
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dwResult = (g_pNameMapperTable[i].pfnInit)();
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ASSERT(dwResult == NO_ERROR);
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}
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}
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return NO_ERROR;
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}
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VOID
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DeinitNameMappers(
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VOID
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)
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{
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ULONG i;
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for(i = 0; i < g_ulNumNameMappers; i++)
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{
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if(g_pNameMapperTable[i].pfnDeinit)
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{
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(g_pNameMapperTable[i].pfnDeinit)();
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}
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}
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g_ulNumNameMappers = 0;
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g_pNameMapperTable = NULL;
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}
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DWORD
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NhGetInterfaceNameFromDeviceGuid(
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IN GUID *pGuid,
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OUT PWCHAR pwszBuffer,
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IN OUT PULONG pulBufferSize,
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IN BOOL bCache,
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IN BOOL bRefresh
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)
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{
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DWORD dwResult, i, dwCount;
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PIP_INTERFACE_NAME_INFO pTable;
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//
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// Obtain a table of interface information,
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// map the device GUID to an interface GUID,
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// and invoke the interface-name query routine.
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//
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dwResult = NhpAllocateAndGetInterfaceInfoFromStack(&pTable,
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&dwCount,
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TRUE,
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GetProcessHeap(),
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0);
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if (dwResult != NO_ERROR)
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{
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return dwResult;
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}
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dwResult = ERROR_NOT_FOUND;
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for (i = 0; i < dwCount; i++)
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{
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if (IsEqualGUID(&pTable[i].DeviceGuid, pGuid))
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{
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if (IsEqualGUID(&pTable[i].InterfaceGuid, &GUID_NULL))
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{
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pGuid = &pTable[i].DeviceGuid;
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}
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else
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{
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pGuid = &pTable[i].InterfaceGuid;
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}
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dwResult = NhGetInterfaceNameFromGuid(pGuid,
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pwszBuffer,
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pulBufferSize,
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bCache,
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bRefresh);
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break;
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}
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}
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HeapFree(GetProcessHeap(), 0, pTable);
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return dwResult;
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}
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DWORD
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NhGetInterfaceNameFromGuid(
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IN GUID *pGuid,
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OUT PWCHAR pwszBuffer,
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IN OUT PDWORD pdwBufferSize,
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IN BOOL bCache,
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IN BOOL bRefresh
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)
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{
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DWORD dwResult, i;
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//
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// Make sure that there is a buffer and its size is enough
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//
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while(TRUE)
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{
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//
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// Call the helpers
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//
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for(i = 0; i < g_ulNumNameMappers; i++)
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{
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dwResult = g_pNameMapperTable[i].pfnMapGuid(pGuid,
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pwszBuffer,
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pdwBufferSize,
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bRefresh,
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bCache);
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if(dwResult is NO_ERROR)
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{
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break;
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}
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}
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if(dwResult is NO_ERROR)
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{
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break;
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}
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//
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// So didnt match any - do the same thing again, but this time with
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// force a cache refresh
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//
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if(bRefresh)
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{
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break;
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}
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else
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{
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bRefresh = TRUE;
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}
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}
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return dwResult;
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}
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DWORD
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NhGetGuidFromInterfaceName(
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IN PWCHAR pwszBuffer,
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OUT GUID *pGuid,
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IN BOOL bCache,
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IN BOOL bRefresh
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)
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{
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DWORD dwResult, i;
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//
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// Make sure that there is a buffer and its size is enough
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//
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while(TRUE)
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{
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//
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// Call the helpers
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//
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for(i = 0; i < g_ulNumNameMappers; i++)
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{
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dwResult = g_pNameMapperTable[i].pfnMapName(pwszBuffer,
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pGuid,
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bRefresh,
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bCache);
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if(dwResult is NO_ERROR)
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{
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break;
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}
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}
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if(dwResult is NO_ERROR)
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{
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break;
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}
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//
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// So didnt match any - do the same thing again, but this time with
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// force a cache refresh
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//
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if(bRefresh)
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{
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break;
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}
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else
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{
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bRefresh = TRUE;
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}
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}
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return dwResult;
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}
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DWORD
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NhGetInterfaceDescriptionFromGuid(
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IN GUID *pGuid,
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OUT PWCHAR pwszBuffer,
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IN OUT PULONG pulBufferSize,
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IN BOOL bCache,
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IN BOOL bRefresh
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)
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{
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DWORD dwResult, i;
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//
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// Make sure that there is a buffer and its size is enough
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//
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while(TRUE)
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{
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//
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// Call the helpers
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//
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for(i = 0; i < g_ulNumNameMappers; i++)
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{
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dwResult = g_pNameMapperTable[i].pfnGetDescription(pGuid,
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pwszBuffer,
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pulBufferSize,
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bRefresh,
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bCache);
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if(dwResult is NO_ERROR)
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{
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break;
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}
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}
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if(dwResult is NO_ERROR)
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{
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break;
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}
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//
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// So didnt match any - do the same thing again, but this time with
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// force a cache refresh
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//
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if(bRefresh)
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{
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break;
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}
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else
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{
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bRefresh = TRUE;
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}
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}
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return dwResult;
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}
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