277 lines
11 KiB
C
277 lines
11 KiB
C
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//================================================================================
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// Copyright (C) 1997 Microsoft Corporation
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// Author: RameshV
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// Description: This module has helper routines to delete the objects recursively.
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//
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//================================================================================
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#include <hdrmacro.h>
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#include <store.h>
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#include <dhcpmsg.h>
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#include <wchar.h>
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#include <dhcpbas.h>
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#include <mm\opt.h>
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#include <mm\optl.h>
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#include <mm\optdefl.h>
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#include <mm\optclass.h>
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#include <mm\classdefl.h>
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#include <mm\bitmask.h>
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#include <mm\reserve.h>
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#include <mm\range.h>
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#include <mm\subnet.h>
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#include <mm\sscope.h>
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#include <mm\oclassdl.h>
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#include <mm\server.h>
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#include <mm\address.h>
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#include <mm\server2.h>
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#include <mm\memfree.h>
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#include <mmreg\regutil.h>
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#include <mmreg\regread.h>
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#include <mmreg\regsave.h>
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#include <dhcpapi.h>
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//================================================================================
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// helper functions
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//================================================================================
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VOID static
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MemFreeFunc(
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IN OUT LPVOID Memory
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)
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{
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MemFree(Memory);
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}
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//================================================================================
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// exposed functions
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//================================================================================
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//BeginExport(function)
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//DOC SubnetDeleteReservation deletes the reservation object from off the DS.
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SubnetDeleteReservation( // delete reservation from DS
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IN OUT LPSTORE_HANDLE hDhcpC, // container for resrevation objs
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IN LPWSTR ServerName, // name of dhcp server
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IN OUT LPSTORE_HANDLE hServer, // server object in DS
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IN OUT LPSTORE_HANDLE hSubnet, // subnet object in DS
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IN LPWSTR ADsPath, // path of reservation object
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IN DWORD StoreGetType // path is relative, abs, or dif server?
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) //EndExport(function)
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{
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return StoreDeleteThisObject // just delete the reservation object
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(
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/* hStore */ hDhcpC,
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/* Reserved */ DDS_RESERVED_DWORD,
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/* StoreGetType */ StoreGetType,
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/* Path */ ADsPath
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);
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}
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//BeginExport(function)
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//DOC ServerDeleteSubnet deletes the subnet specified from the DS by removing
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//DOC the subnet object.
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ServerDeleteSubnet( // remove subnet object from DS
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IN OUT LPSTORE_HANDLE hDhcpC, // container for subnet objs in Ds
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IN LPWSTR ServerName, // name of server this deletion is for
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IN OUT LPSTORE_HANDLE hServer, // server object in DS
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IN LPWSTR ADsPath, // Location of the subnet in DS
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IN DWORD StoreGetType // path is relative,abs or diff srvr?
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) //EndExport(function)
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{
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DWORD Err, LastErr, LocType;
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STORE_HANDLE hSubnet;
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ARRAY Reservations;
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ARRAY_LOCATION Loc;
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PEATTRIB ThisAttrib;
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LPWSTR Location;
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LPVOID Ptr;
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Err = StoreGetHandle // get the server object from the DS
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(
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/* hStore */ hDhcpC,
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/* Reserved */ DDS_RESERVED_DWORD,
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/* StoreGetType */ StoreGetType,
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/* Path */ ADsPath,
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/* hStoreOut */ &hSubnet
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);
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if( ERROR_SUCCESS != Err ) return Err;
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Err = MemArrayInit(&Reservations); //= require ERROR_SUCCESS == Err
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Err = DhcpDsGetLists // get list or reservations
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(
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/* Reserved */ DDS_RESERVED_DWORD,
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/* hStore */ &hSubnet,
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/* RecursionDepth */ 0xFFFFFFFF,
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/* Servers */ NULL,
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/* Subnets */ NULL,
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/* IpAddress */ NULL,
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/* Mask */ NULL,
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/* Ranges */ NULL,
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/* Sites */ NULL,
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/* Reservations */ &Reservations,
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/* SuperScopes */ NULL,
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/* OptionDescription */ NULL,
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/* OptionsLocation */ NULL,
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/* Options */ NULL,
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/* Classes */ NULL
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);
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if( ERROR_SUCCESS != Err ) return Err;
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LastErr = ERROR_SUCCESS;
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for( // delete each subnet
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Err = MemArrayInitLoc(&Reservations, &Loc)
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; ERROR_FILE_NOT_FOUND != Err;
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Err = MemArrayNextLoc(&Reservations, &Loc)
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) {
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Err = MemArrayGetElement(&Reservations, &Loc, &ThisAttrib);
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//= require ERROR_SUCCESS == Err && NULL != ThisAttrib
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if( !IS_ADDRESS1_PRESENT(ThisAttrib) || // reserved address
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!IS_BINARY1_PRESENT(ThisAttrib) ) { // HW address info
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continue; // invalid subnet
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}
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if( !IS_ADSPATH_PRESENT(ThisAttrib) ) { // no location specified
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Location = MakeReservationLocation(ServerName, ThisAttrib->Address1);
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LocType = StoreGetChildType;
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Ptr = Location;
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} else {
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Location = ThisAttrib->ADsPath;
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LocType = ThisAttrib->StoreGetType;
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Ptr = NULL;
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}
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Err = SubnetDeleteReservation // now delete the reservation
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(
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/* hDhcpC */ hDhcpC,
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/* ServerName */ ServerName,
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/* hServer */ hServer,
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/* hSubnet */ &hSubnet,
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/* ADsPath */ Location,
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/* StoreGetType */ LocType
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);
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if( ERROR_SUCCESS != Err ) LastErr = Err;
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if( Ptr ) MemFree(Ptr);
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}
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MemArrayFree(&Reservations, MemFreeFunc);
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Err = StoreCleanupHandle(&hSubnet, 0); //= require ERROR_SUCCESS == Err
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Err = StoreDeleteThisObject // now really delete the subnet object
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(
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/* hStore */ hDhcpC,
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/* Reserved */ DDS_RESERVED_DWORD,
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/* StoreGetType */ StoreGetType,
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/* Path */ ADsPath
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);
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if( ERROR_SUCCESS != Err ) LastErr = Err; // try to delete the store object itself
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return LastErr;
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}
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//BeginExport(function)
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//DOC DeleteServer deletes the server object from the DS and deletes any SUBNET and
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//DOC reservation objects that it may point to.
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//DOC The hDhcpC parameter is the handle of the container where the server object
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//DOC may be located. This used in conjunction with the ADsPath and StoreGetType
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//DOC defines the location of the ServerObject.
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DWORD
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DeleteServer( // recurse delete server from DS
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IN OUT LPSTORE_HANDLE hDhcpC, // container where server obj may be
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IN LPWSTR ServerName, // name of server..
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IN LPWSTR ADsPath, // path of the server object
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IN DWORD StoreGetType // is path relative, absolute or dif srvr?
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) //EndExport(function)
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{
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DWORD Err, LastErr, LocType;
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STORE_HANDLE hServer;
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ARRAY Subnets;
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ARRAY_LOCATION Loc;
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PEATTRIB ThisAttrib;
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LPWSTR Location;
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LPVOID Ptr;
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Err = StoreGetHandle // get the server object from the DS
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(
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/* hStore */ hDhcpC,
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/* Reserved */ DDS_RESERVED_DWORD,
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/* StoreGetType */ StoreGetType,
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/* Path */ ADsPath,
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/* hStoreOut */ &hServer
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);
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if( ERROR_SUCCESS != Err ) return Err;
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Err = MemArrayInit(&Subnets); //= require ERROR_SUCCESS == Err
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Err = DhcpDsGetLists // get subnets and other stuff
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(
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/* Reserved */ DDS_RESERVED_DWORD,
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/* hStore */ &hServer,
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/* RecursionDepth */ 0xFFFFFFFF,
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/* Servers */ NULL,
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/* Subnets */ &Subnets,
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/* IpAddress */ NULL,
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/* Mask */ NULL,
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/* Ranges */ NULL,
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/* Sites */ NULL,
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/* Reservations */ NULL,
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/* SuperScopes */ NULL,
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/* OptionDescription */ NULL,
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/* OptionsLocation */ NULL,
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/* Options */ NULL,
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/* Classes */ NULL
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);
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if( ERROR_SUCCESS != Err ) return Err;
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LastErr = ERROR_SUCCESS;
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for( // delete each subnet
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Err = MemArrayInitLoc(&Subnets, &Loc)
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; ERROR_FILE_NOT_FOUND != Err;
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Err = MemArrayNextLoc(&Subnets, &Loc)
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) {
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Err = MemArrayGetElement(&Subnets, &Loc, &ThisAttrib);
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//= require ERROR_SUCCESS == Err && NULL != ThisAttrib
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if( !IS_ADDRESS1_PRESENT(ThisAttrib) || // subnet address
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!IS_ADDRESS2_PRESENT(ThisAttrib) ) { // subnet mask
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continue; // invalid subnet
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}
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if( !IS_ADSPATH_PRESENT(ThisAttrib) ) { // no location specified
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Location = MakeSubnetLocation(ServerName, ThisAttrib->Address1);
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LocType = StoreGetChildType;
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Ptr = Location;
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} else {
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Location = ThisAttrib->ADsPath;
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LocType = ThisAttrib->StoreGetType;
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Ptr = NULL;
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}
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Err = ServerDeleteSubnet // now delete the subnet
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(
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/* hDhcpC */ hDhcpC,
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/* ServerName */ ServerName,
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/* hServer */ &hServer,
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/* ADsPath */ Location,
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/* StoreGetType */ LocType
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);
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if( ERROR_SUCCESS != Err ) LastErr = Err;
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if( Ptr ) MemFree(Ptr);
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}
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MemArrayFree(&Subnets, MemFreeFunc);
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Err = StoreCleanupHandle( &hServer, DDS_RESERVED_DWORD );
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Err = StoreDeleteThisObject // now really delete the server object
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(
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/* hStore */ hDhcpC,
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/* Reserved */ DDS_RESERVED_DWORD,
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/* StoreGetType */ StoreGetType,
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/* Path */ ADsPath
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);
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if( ERROR_SUCCESS != Err ) LastErr = Err; // try to delete the store object itself
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return LastErr;
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}
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//================================================================================
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// end of file
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//================================================================================
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