1154 lines
29 KiB
C
1154 lines
29 KiB
C
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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net\ip\rtrmgr\info.c
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Abstract:
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All info structure related code lives here
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Revision History:
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Gurdeep Singh Pall 6/15/95 Created
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--*/
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#include "allinc.h"
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PRTR_TOC_ENTRY
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GetPointerToTocEntry(
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DWORD dwType,
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PRTR_INFO_BLOCK_HEADER pInfoHdr
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)
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/*++
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Routine Description
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Given a pointer to an InfoBlock, this returns a pointer to the
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TOC of a given type
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Locks
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None
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Arguments
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dwType InfoType for TOC
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pInfoHdr Pointer to the InfoBlock header
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Return Value
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NULL if the structure was not found
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Pointer to TOC other wise
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--*/
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{
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DWORD i;
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if(pInfoHdr is NULL)
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{
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return NULL;
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}
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for(i = 0; i < pInfoHdr->TocEntriesCount; i++)
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{
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if(pInfoHdr->TocEntry[i].InfoType is dwType)
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{
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return &(pInfoHdr->TocEntry[i]);
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}
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}
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return NULL;
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}
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DWORD
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GetSizeOfInterfaceConfig(
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PICB picb
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)
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/*++
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Routine Description
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This function figures out the size of interface configuration
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Locks
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ICB_LIST lock taken as READER
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Takes the PROTOCOL_CB_LIST lock as reader
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Arguments
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picb ICB for the interface
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Return Value
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None
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--*/
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{
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DWORD dwRoutProtInfoSize,dwRouteCount;
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PLIST_ENTRY pleNode;
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DWORD dwSize = 0, dwNumFilters;
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DWORD dwResult;
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DWORD dwInfoSize, i;
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ULONG ulStructureSize, ulStructureVersion, ulStructureCount;
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TraceEnter("GetSizeOfInterfaceConfig");
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//
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// Start with just the header (no TOC entry)
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//
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dwSize = FIELD_OFFSET(RTR_INFO_BLOCK_HEADER,
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TocEntry[0]);
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//
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// Static Routes:
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// Get the count, figure out the size needed to hold those, add the
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// size of a TOC and an ALIGN_SIZE added for alignment
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//
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dwRouteCount = GetNumStaticRoutes(picb);
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dwSize += (SIZEOF_ROUTEINFO(dwRouteCount) +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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//
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// Router Discovery info
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//
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dwSize += (sizeof(RTR_DISC_INFO) +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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//
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// Interface Status info
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//
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dwSize += (sizeof(INTERFACE_STATUS_INFO) +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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//
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// If this is an ip in ip interface, add that info
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//
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if(picb->ritType is ROUTER_IF_TYPE_TUNNEL1)
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{
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dwSize += (sizeof(IPINIP_CONFIG_INFO) +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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}
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for(i = 0; i < NUM_INFO_CBS; i++)
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{
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if (!g_rgicInfoCb[i].pfnGetInterfaceInfo)
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continue;
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dwInfoSize = 0;
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dwResult = g_rgicInfoCb[i].pfnGetInterfaceInfo(picb,
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NULL,
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NULL,
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NULL,
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NULL,
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&dwInfoSize);
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if((dwResult isnot NO_ERROR) and
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(dwResult isnot ERROR_INSUFFICIENT_BUFFER))
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{
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//
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// The only errors which will tell us the size needed are
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// NO_ERROR and ERROR_INSUFFICIENT_BUFFER. Anything else means
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// we didnt get the right size
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//
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Trace2(ERR,
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"GetSizeOfInterfaceConfig: Error %d in GetIfInfo for %s\n",
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dwResult,
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g_rgicInfoCb[i].pszInfoName);
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continue;
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}
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dwSize += (dwInfoSize +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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}
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//
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// Information for all routing protocols ON THIS interface
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//
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ENTER_READER(PROTOCOL_CB_LIST);
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for(pleNode = picb->leProtocolList.Flink;
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pleNode isnot &(picb->leProtocolList);
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pleNode = pleNode->Flink)
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{
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PIF_PROTO pProto;
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pProto = CONTAINING_RECORD(pleNode,IF_PROTO,leIfProtoLink);
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if(pProto->bPromiscuous)
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{
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//
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// This interface was added merely because of promiscuous mode
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//
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continue;
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}
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//
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// Call the routing protocol's GetInterfaceConfigInfo() entrypoint
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// with a NULL buffer. This will cause it to tell us the size of
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// its config
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//
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dwRoutProtInfoSize = 0;
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dwResult = (pProto->pActiveProto->pfnGetInterfaceInfo)(
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picb->dwIfIndex,
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NULL,
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&dwRoutProtInfoSize,
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&ulStructureVersion,
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&ulStructureSize,
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&ulStructureCount);
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if((dwResult isnot NO_ERROR) and
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(dwResult isnot ERROR_INSUFFICIENT_BUFFER))
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{
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//
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// The only errors which will tell us the size needed are
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// NO_ERROR and ERROR_INSUFFICIENT_BUFFER. Anything else means
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// we didnt get the right size
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//
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Trace2(ERR,
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"GetSizeOfInterfaceConfig: Error %d in GetIfInfo for %S\n",
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dwResult,
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pProto->pActiveProto->pwszDisplayName);
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continue;
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}
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dwSize += (dwRoutProtInfoSize +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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}
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EXIT_LOCK(PROTOCOL_CB_LIST);
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//
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// If we have filters on this interface, add that info
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//
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if(picb->pInFilter)
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{
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dwNumFilters = picb->pInFilter->dwNumFilters;
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dwSize += (sizeof(RTR_TOC_ENTRY) +
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FIELD_OFFSET(FILTER_DESCRIPTOR, fiFilter[0]) +
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(dwNumFilters * sizeof(FILTER_INFO)) +
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ALIGN_SIZE);
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}
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if(picb->pOutFilter)
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{
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dwNumFilters = picb->pOutFilter->dwNumFilters;
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dwSize += (sizeof(RTR_TOC_ENTRY) +
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FIELD_OFFSET(FILTER_DESCRIPTOR, fiFilter[0]) +
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(dwNumFilters * sizeof(FILTER_INFO)) +
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ALIGN_SIZE);
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}
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//
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// Always report the fragmentation filter.
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//
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dwSize += (sizeof(IFFILTER_INFO) +
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sizeof(RTR_TOC_ENTRY) +
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ALIGN_SIZE);
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if(picb->pDemandFilter)
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{
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dwNumFilters = picb->pDemandFilter->dwNumFilters;
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dwSize += (sizeof(RTR_TOC_ENTRY) +
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FIELD_OFFSET(FILTER_DESCRIPTOR, fiFilter[0]) +
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(dwNumFilters * sizeof(FILTER_INFO)) +
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ALIGN_SIZE);
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}
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return dwSize;
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}
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DWORD
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GetInterfaceConfiguration(
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PICB picb,
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PRTR_INFO_BLOCK_HEADER pInfoHdrAndBuffer,
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DWORD dwInfoSize
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)
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{
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DWORD i,dwErr, dwRet;
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DWORD dwTocIndex;
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PBYTE pbyDataPtr , pbyEndPtr;
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DWORD dwNumTocEntries;
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LONG lSize;
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PLIST_ENTRY pleNode;
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TraceEnter("GetInterfaceConfiguration");
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dwRet = NO_ERROR;
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//
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// First calculate number of TOCs
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//
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//
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// for static routes, router discovery, interface info and frag info
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//
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dwNumTocEntries = TOCS_ALWAYS_IN_INTERFACE_INFO;
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//
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// One TOC for each filter that exists
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//
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if(picb->pInFilter)
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{
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dwNumTocEntries++;
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}
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if(picb->pOutFilter)
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{
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dwNumTocEntries++;
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}
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if(picb->pDemandFilter)
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{
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dwNumTocEntries++;
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}
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if(picb->ritType is ROUTER_IF_TYPE_TUNNEL1)
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{
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dwNumTocEntries++;
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}
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for(i = 0; i < NUM_INFO_CBS; i++)
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{
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if (!g_rgicInfoCb[i].pfnGetInterfaceInfo)
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continue;
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lSize = 0;
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dwErr = g_rgicInfoCb[i].pfnGetInterfaceInfo(picb,
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NULL,
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&dwNumTocEntries,
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NULL,
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NULL,
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&lSize);
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}
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//
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// One TOC for each configured protocol
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//
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// *** Exclusion Begin ***
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ENTER_READER(PROTOCOL_CB_LIST);
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for(pleNode = picb->leProtocolList.Flink;
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pleNode isnot &(picb->leProtocolList);
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pleNode = pleNode->Flink)
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{
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PIF_PROTO pProto;
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pProto = CONTAINING_RECORD(pleNode,IF_PROTO,leIfProtoLink);
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if(pProto->bPromiscuous)
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{
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continue;
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}
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dwNumTocEntries++;
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}
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//
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// fill in RTR_INFO_BLOCK_HEADER
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//
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dwTocIndex = 0;
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pInfoHdrAndBuffer->Version = IP_ROUTER_MANAGER_VERSION;
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pInfoHdrAndBuffer->TocEntriesCount = dwNumTocEntries;
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pInfoHdrAndBuffer->Size = dwInfoSize;
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//
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// Data begins after TocEntry[dwNumTocEntries - 1]
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//
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pbyDataPtr = ((PBYTE) &(pInfoHdrAndBuffer->TocEntry[dwNumTocEntries]));
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//
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// Align to an 8byte boundary
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//
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ALIGN_POINTER(pbyDataPtr);
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pbyEndPtr = (PBYTE)pInfoHdrAndBuffer + dwInfoSize;
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//
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// So the size of buffer left for information is
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//
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lSize = (LONG)(pbyEndPtr - pbyDataPtr);
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//
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// fill in routing protocol info
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//
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for(pleNode = picb->leProtocolList.Flink;
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pleNode isnot &(picb->leProtocolList);
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pleNode = pleNode->Flink)
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{
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PIF_PROTO pProto;
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pProto = CONTAINING_RECORD(pleNode,IF_PROTO,leIfProtoLink);
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if(pProto->bPromiscuous)
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{
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//
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// This interface was added merely because of promiscuous mode
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//
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continue;
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}
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if(lSize <= 0)
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{
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Trace0(ERR,
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"GetInterfaceConfiguration: There is no more space left to fill in config info even though there are more protocols");
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break;
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}
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dwErr = GetInterfaceRoutingProtoInfo(
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picb,
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pProto->pActiveProto,
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&pInfoHdrAndBuffer->TocEntry[dwTocIndex++],
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pbyDataPtr,
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pInfoHdrAndBuffer,
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&lSize);
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if(dwErr isnot NO_ERROR)
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{
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Trace2(ERR,
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"GetInterfaceConfiguration: Info from %S. Error %d",
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pProto->pActiveProto->pwszDisplayName,
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dwErr);
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dwRet = ERROR_MORE_DATA;
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}
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else
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{
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pbyDataPtr += lSize;
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ALIGN_POINTER(pbyDataPtr);
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}
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lSize = (LONG)(pbyEndPtr - pbyDataPtr);
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}
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EXIT_LOCK(PROTOCOL_CB_LIST);
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if(lSize <= 0)
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{
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Trace0(ERR,
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"GetInterfaceConfiguration: There is no more space left to fill in config info");
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return ERROR_MORE_DATA;
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}
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for(i = 0; i < NUM_INFO_CBS; i++)
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{
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if (!g_rgicInfoCb[i].pfnGetInterfaceInfo)
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continue;
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dwErr = g_rgicInfoCb[i].pfnGetInterfaceInfo(picb,
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&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
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&dwTocIndex,
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pbyDataPtr,
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pInfoHdrAndBuffer,
|
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&lSize);
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if(dwErr isnot NO_ERROR)
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{
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Trace2(ERR,
|
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"GetInterfaceConfiguration: Error %d getting %s info.",
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dwErr,
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g_rgicInfoCb[i].pszInfoName);
|
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if(dwErr isnot ERROR_NO_DATA)
|
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{
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dwRet = ERROR_MORE_DATA;
|
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}
|
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}
|
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else
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{
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pbyDataPtr += lSize;
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ALIGN_POINTER(pbyDataPtr);
|
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}
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lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
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}
|
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|
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if(picb->ritType is ROUTER_IF_TYPE_TUNNEL1)
|
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{
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dwErr = GetInterfaceIpIpInfo(picb,
|
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&pInfoHdrAndBuffer->TocEntry[dwTocIndex++],
|
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pbyDataPtr,
|
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pInfoHdrAndBuffer,
|
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&lSize);
|
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|
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if(dwErr isnot NO_ERROR)
|
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{
|
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Trace1(ERR,
|
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"GetInterfaceConfiguration: Couldnt ipip info. Error %d",
|
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dwErr);
|
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|
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if(dwErr isnot ERROR_NO_DATA)
|
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{
|
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dwRet = ERROR_MORE_DATA;
|
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}
|
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}
|
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else
|
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{
|
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pbyDataPtr += lSize;
|
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|
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ALIGN_POINTER(pbyDataPtr);
|
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}
|
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|
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lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
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}
|
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|
|
|
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//
|
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// fill in route info
|
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//
|
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|
|
|
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dwErr = GetInterfaceRouteInfo(picb,
|
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&pInfoHdrAndBuffer->TocEntry[dwTocIndex++],
|
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pbyDataPtr,
|
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pInfoHdrAndBuffer,
|
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&lSize);
|
|
|
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if(dwErr isnot NO_ERROR)
|
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{
|
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Trace1(ERR,
|
|
"GetInterfaceConfiguration: Couldnt Interface route info. Error %d",
|
|
dwErr);
|
|
|
|
if(dwErr isnot ERROR_NO_DATA)
|
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{
|
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dwRet = ERROR_MORE_DATA;
|
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}
|
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}
|
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else
|
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{
|
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pbyDataPtr += lSize;
|
|
|
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ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
|
|
//
|
|
// Fill in the status info
|
|
//
|
|
|
|
dwErr = GetInterfaceStatusInfo(picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex++],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetInterfaceConfiguration: Error %d getting Interface status",
|
|
dwErr);
|
|
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pbyDataPtr += lSize;
|
|
|
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ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
|
|
//
|
|
// Fill in the Router Discovery information
|
|
//
|
|
|
|
dwErr = GetInterfaceRouterDiscoveryInfo(
|
|
picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex++],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetInterfaceConfiguration: Couldnt Interface router discovery info. Error %d",
|
|
dwErr);
|
|
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pbyDataPtr += lSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
|
|
if(picb->pInFilter)
|
|
{
|
|
dwErr = GetInFilters(picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr is NO_ERROR)
|
|
{
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += lSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
else
|
|
{
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
if(picb->pOutFilter)
|
|
{
|
|
dwErr = GetOutFilters(picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr is NO_ERROR)
|
|
{
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += lSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
else
|
|
{
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
if((picb->ritType isnot ROUTER_IF_TYPE_INTERNAL) and
|
|
(picb->ritType isnot ROUTER_IF_TYPE_LOOPBACK) and
|
|
(picb->ritType isnot ROUTER_IF_TYPE_CLIENT))
|
|
{
|
|
dwErr = GetGlobalFilterOnIf(picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr is NO_ERROR)
|
|
{
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += lSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
else
|
|
{
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
|
|
if(lSize <= 0)
|
|
{
|
|
Trace0(ERR,
|
|
"GetInterfaceConfiguration: There is no more space left to fill in config info");
|
|
|
|
return ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
if(picb->pDemandFilter)
|
|
{
|
|
dwErr = GetDemandFilters(picb,
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&lSize);
|
|
|
|
if(dwErr is NO_ERROR)
|
|
{
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += lSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
}
|
|
else
|
|
{
|
|
if(dwErr isnot ERROR_NO_DATA)
|
|
{
|
|
dwRet = ERROR_MORE_DATA;
|
|
}
|
|
}
|
|
|
|
lSize = (LONG) (pbyEndPtr - pbyDataPtr);
|
|
}
|
|
|
|
return dwRet;
|
|
}
|
|
|
|
|
|
DWORD
|
|
GetInterfaceRoutingProtoInfo(
|
|
PICB picb,
|
|
PPROTO_CB pProtoCbPtr,
|
|
PRTR_TOC_ENTRY pToc,
|
|
PBYTE pbyDataPtr,
|
|
PRTR_INFO_BLOCK_HEADER pInfoHdrAndBuffer,
|
|
PDWORD pdwSize
|
|
)
|
|
{
|
|
ULONG ulStructureSize, ulStructureCount, ulStructureVersion;
|
|
DWORD dwError = NO_ERROR;
|
|
|
|
TraceEnter("GetInterfaceRoutingProtoInfo");
|
|
|
|
dwError = (pProtoCbPtr->pfnGetInterfaceInfo)(picb->dwIfIndex,
|
|
pbyDataPtr,
|
|
pdwSize,
|
|
&ulStructureVersion,
|
|
&ulStructureSize,
|
|
&ulStructureCount);
|
|
|
|
if(dwError isnot NO_ERROR)
|
|
{
|
|
Trace1(ERR,
|
|
"GetInterfaceRoutingProtoInfo: GetIfConfigInfo() failed for protocol %S",
|
|
pProtoCbPtr->pwszDisplayName);
|
|
|
|
return dwError;
|
|
}
|
|
|
|
//IpRtAssert(*pdwSize is (ulStructureSize * ulStructureCount));
|
|
|
|
pToc->InfoSize = ulStructureSize;
|
|
pToc->InfoType = pProtoCbPtr->dwProtocolId;
|
|
pToc->Count = ulStructureCount;
|
|
pToc->Offset = (ULONG)(pbyDataPtr - (PBYTE)pInfoHdrAndBuffer);
|
|
//pToc->InfoVersion = ulStructureVersion;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
|
|
DWORD
|
|
GetGlobalConfiguration(
|
|
PRTR_INFO_BLOCK_HEADER pInfoHdrAndBuffer,
|
|
DWORD dwInfoSize
|
|
)
|
|
{
|
|
DWORD dwRoutProtInfoSize;
|
|
PPROTO_CB pProtoCbPtr;
|
|
DWORD dwNumTocEntries, i;
|
|
DWORD dwTocIndex,dwResult;
|
|
DWORD dwBufferRemaining,dwSize,dwIndex;
|
|
PBYTE pbyDataPtr, pbyEndPtr;
|
|
PLIST_ENTRY pleNode;
|
|
PGLOBAL_INFO pGlobalInfo;
|
|
ULONG ulStructureVersion, ulStructureSize, ulStructureCount;
|
|
|
|
TraceEnter("GetGlobalConfiguration");
|
|
|
|
//
|
|
// First calculate number of TOCs
|
|
//
|
|
|
|
dwNumTocEntries = TotalRoutingProtocols + TOCS_ALWAYS_IN_GLOBAL_INFO;
|
|
|
|
for(i = 0; i < NUM_INFO_CBS; i++)
|
|
{
|
|
if (!g_rgicInfoCb[i].pfnGetGlobalInfo)
|
|
continue;
|
|
|
|
dwSize = 0;
|
|
|
|
dwResult = g_rgicInfoCb[i].pfnGetGlobalInfo(NULL,
|
|
&dwNumTocEntries,
|
|
NULL,
|
|
NULL,
|
|
&dwSize);
|
|
}
|
|
|
|
//
|
|
// Fill Header, RTR_TOC_ENTRYs for global, priority and each of the protos
|
|
//
|
|
|
|
pInfoHdrAndBuffer->Version = IP_ROUTER_MANAGER_VERSION;
|
|
pInfoHdrAndBuffer->TocEntriesCount = dwNumTocEntries;
|
|
|
|
|
|
//
|
|
// Fill in TOCs. Data starts after the last TOC
|
|
//
|
|
|
|
pbyDataPtr = (PBYTE)&(pInfoHdrAndBuffer->TocEntry[pInfoHdrAndBuffer->TocEntriesCount]);
|
|
|
|
pbyEndPtr = (PBYTE)pInfoHdrAndBuffer + dwInfoSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
|
|
dwTocIndex = 0;
|
|
dwBufferRemaining = (DWORD)(pbyEndPtr - pbyDataPtr);
|
|
|
|
|
|
//
|
|
// Fill in Routing Protocol Priority infoblock
|
|
//
|
|
|
|
dwRoutProtInfoSize = dwBufferRemaining;
|
|
|
|
dwResult = GetPriorityInfo(pbyDataPtr, &dwRoutProtInfoSize);
|
|
|
|
//pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoVersion = dwRoutProtInfoSize;
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoSize = dwRoutProtInfoSize;
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoType = IP_PROT_PRIORITY_INFO;
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Count = 1;
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Offset =
|
|
(ULONG)(pbyDataPtr - (PBYTE)pInfoHdrAndBuffer);
|
|
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += dwRoutProtInfoSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
|
|
dwBufferRemaining = (DWORD)(pbyEndPtr - pbyDataPtr);
|
|
|
|
for(i = 0; i < NUM_INFO_CBS; i++)
|
|
{
|
|
if (!g_rgicInfoCb[i].pfnGetGlobalInfo)
|
|
continue;
|
|
|
|
dwSize = dwBufferRemaining;
|
|
|
|
dwResult = g_rgicInfoCb[i].pfnGetGlobalInfo(
|
|
&pInfoHdrAndBuffer->TocEntry[dwTocIndex],
|
|
&dwTocIndex,
|
|
pbyDataPtr,
|
|
pInfoHdrAndBuffer,
|
|
&dwSize);
|
|
|
|
pbyDataPtr += dwSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
|
|
dwBufferRemaining = (DWORD)(pbyEndPtr - pbyDataPtr);
|
|
}
|
|
|
|
dwSize = sizeof(GLOBAL_INFO);
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoSize = dwSize;
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoType = IP_GLOBAL_INFO;
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Count = 1;
|
|
//pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoVersion = 1;
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Offset =
|
|
(ULONG)(pbyDataPtr - (PBYTE) pInfoHdrAndBuffer);
|
|
|
|
pGlobalInfo = (PGLOBAL_INFO)pbyDataPtr;
|
|
|
|
//
|
|
// unused
|
|
//
|
|
|
|
pGlobalInfo->bFilteringOn = 0;
|
|
|
|
pGlobalInfo->dwLoggingLevel = g_dwLoggingLevel;
|
|
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += dwSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
|
|
dwBufferRemaining = (DWORD)(pbyEndPtr - pbyDataPtr);
|
|
|
|
//
|
|
// fill in global info for all routing protocols
|
|
//
|
|
|
|
for(pleNode = g_leProtoCbList.Flink;
|
|
pleNode != &g_leProtoCbList;
|
|
pleNode = pleNode->Flink)
|
|
{
|
|
|
|
pProtoCbPtr = CONTAINING_RECORD(pleNode,
|
|
PROTO_CB,
|
|
leList);
|
|
|
|
dwRoutProtInfoSize = dwBufferRemaining;
|
|
|
|
dwResult = (pProtoCbPtr->pfnGetGlobalInfo)(pbyDataPtr,
|
|
&dwRoutProtInfoSize,
|
|
&ulStructureVersion,
|
|
&ulStructureSize,
|
|
&ulStructureCount);
|
|
|
|
if(dwResult isnot NO_ERROR)
|
|
{
|
|
Trace2(ERR,
|
|
"GetGlobalConfiguration: Error %d getting global info from %s",
|
|
dwResult,
|
|
pProtoCbPtr->pwszDllName);
|
|
|
|
continue;
|
|
}
|
|
|
|
// pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoVersion = ulStructureVersion;
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoSize =
|
|
ulStructureSize;
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].InfoType =
|
|
pProtoCbPtr->dwProtocolId;
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Offset =
|
|
(ULONG)(pbyDataPtr - (PBYTE)pInfoHdrAndBuffer);
|
|
|
|
pInfoHdrAndBuffer->TocEntry[dwTocIndex].Count = ulStructureCount;
|
|
|
|
dwTocIndex++;
|
|
|
|
pbyDataPtr += dwRoutProtInfoSize;
|
|
|
|
ALIGN_POINTER(pbyDataPtr);
|
|
|
|
dwBufferRemaining = (DWORD)(pbyEndPtr - pbyDataPtr);
|
|
}
|
|
|
|
pInfoHdrAndBuffer->Size = (ULONG) ((ULONG_PTR)pbyDataPtr - (ULONG_PTR)pInfoHdrAndBuffer);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
DWORD
|
|
GetSizeOfGlobalInfo(
|
|
VOID
|
|
)
|
|
{
|
|
DWORD dwSize = 0, dwResult;
|
|
DWORD dwRoutProtInfoSize;
|
|
PICB picb;
|
|
PPROTO_CB pProtoCbPtr;
|
|
PLIST_ENTRY pleNode;
|
|
DWORD dwInfoSize, i;
|
|
ULONG ulStructureVersion, ulStructureSize, ulStructureCount;
|
|
|
|
TraceEnter("GetSizeOfGlobalInfo");
|
|
|
|
dwSize = sizeof(RTR_INFO_BLOCK_HEADER) - sizeof(RTR_TOC_ENTRY);
|
|
|
|
//
|
|
// get size of Routing Protocol Priority info
|
|
//
|
|
|
|
dwRoutProtInfoSize = 0;
|
|
|
|
GetPriorityInfo(NULL,
|
|
&dwRoutProtInfoSize);
|
|
|
|
//
|
|
// ALIGN_SIZE added for alignment
|
|
//
|
|
|
|
dwSize += (dwRoutProtInfoSize +
|
|
sizeof(RTR_TOC_ENTRY) +
|
|
ALIGN_SIZE);
|
|
|
|
for(i = 0; i < NUM_INFO_CBS; i++)
|
|
{
|
|
if (!g_rgicInfoCb[i].pfnGetGlobalInfo)
|
|
continue;
|
|
|
|
dwInfoSize = 0;
|
|
|
|
dwResult = g_rgicInfoCb[i].pfnGetGlobalInfo(NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&dwInfoSize);
|
|
|
|
if((dwResult isnot NO_ERROR) and
|
|
(dwResult isnot ERROR_INSUFFICIENT_BUFFER))
|
|
{
|
|
//
|
|
// The only errors which will tell us the size needed are
|
|
// NO_ERROR and ERROR_INSUFFICIENT_BUFFER. Anything else means
|
|
// we didnt get the right size
|
|
//
|
|
|
|
Trace2(ERR,
|
|
"GetSizeOfGlobalInfo: Error %d in GetGlobInfo for %s\n",
|
|
dwResult,
|
|
g_rgicInfoCb[i].pszInfoName);
|
|
|
|
continue;
|
|
}
|
|
|
|
dwSize += (dwInfoSize +
|
|
sizeof(RTR_TOC_ENTRY) +
|
|
ALIGN_SIZE);
|
|
}
|
|
|
|
|
|
//
|
|
// The names of the Dlls - part of Global Info
|
|
//
|
|
|
|
dwSize += (sizeof(GLOBAL_INFO) +
|
|
sizeof(RTR_TOC_ENTRY) +
|
|
ALIGN_SIZE);
|
|
|
|
//
|
|
// get size of infoblocks for all routing protocols
|
|
//
|
|
|
|
for(pleNode = g_leProtoCbList.Flink;
|
|
pleNode isnot &g_leProtoCbList;
|
|
pleNode = pleNode->Flink)
|
|
{
|
|
pProtoCbPtr = CONTAINING_RECORD(pleNode,
|
|
PROTO_CB,
|
|
leList);
|
|
|
|
//
|
|
// Call the routing protocol's GetGlobalConfigInfo() entrypoint
|
|
// with NULL. This should return the buffer size needed
|
|
//
|
|
|
|
dwRoutProtInfoSize = 0;
|
|
|
|
dwResult = (pProtoCbPtr->pfnGetGlobalInfo)(NULL,
|
|
&dwRoutProtInfoSize,
|
|
&ulStructureVersion,
|
|
&ulStructureSize,
|
|
&ulStructureCount);
|
|
|
|
if((dwResult is NO_ERROR) or
|
|
(dwResult is ERROR_INSUFFICIENT_BUFFER))
|
|
{
|
|
dwSize += (dwRoutProtInfoSize +
|
|
sizeof(RTR_TOC_ENTRY) +
|
|
ALIGN_SIZE);
|
|
}
|
|
}
|
|
|
|
return dwSize;
|
|
}
|
|
|