185 lines
6.3 KiB
C
185 lines
6.3 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: common headers for dhcp ds stuff.. used by both the core <store>
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// and by the dhcp-ds implementation..
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//================================================================================
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#define INC_OLE2
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#include <mm/mm.h>
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#include <mm/array.h>
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#include <activeds.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <align.h>
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#include <lmcons.h>
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#include <netlib.h>
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#include <lmapibuf.h>
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#include <dsgetdc.h>
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#include <dnsapi.h>
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#include <adsi.h>
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//================================================================================
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// defines and constants
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//================================================================================
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#define DHCP_OBJECTS_LOCATION L"CN=NetServices,CN=Services"
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#define DHCP_SEARCH_FILTER L"(objectClass=dHCPClass)"
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#define DHCP_ADDRESS_ATTRIB L"ipAddress"
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// global attribute names
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#define ATTRIB_NAME L"name"
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#define ATTRIB_DN_NAME L"cn"
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#define ATTRIB_INSTANCE_TYPE L"instanceType"
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// dhcp only attribute names
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#define ATTRIB_IPADDR_OBSOLETE L"IPAddress"
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#define ATTRIB_DHCP_UNIQUE_KEY L"dhcpUniqueKey"
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#define ATTRIB_DHCP_TYPE L"dhcpType"
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#define ATTRIB_DHCP_IDENTIFICATION L"dhcpIdentification"
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#define ATTRIB_DHCP_FLAGS L"dhcpFlags"
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#define ATTRIB_OBJECT_CLASS L"objectClass"
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#define ATTRIB_OBJECT_CATEGORY L"objectCategory"
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#define ATTRIB_DHCP_SERVERS L"dhcpServers"
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#define ATTRIB_DHCP_OPTIONS L"dhcpOptions"
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// default attribute values
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#define DEFAULT_DHCP_CLASS_ATTRIB_VALUE L"dHCPClass"
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#define DEFAULT_INSTANCE_TYPE_ATTRIB_VALUE 4
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//================================================================================
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// defines and constants
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//================================================================================
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#define DEFAULT_LDAP_ROOTDSE L"LDAP://ROOTDSE"
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#define LDAP_PREFIX L"LDAP://"
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#define ROOTDSE_POSTFIX L"/ROOTDSE"
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#define ENT_ROOT_PREFIX L"CN=Configuration"
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#define CONNECTOR L","
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#define LDAP_JOIN L"="
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#define ENT_ROOT_PREFIX_LEN 16
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// other stuff
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#define Investigate Require
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#define ALIGN(X) ((X) = ROUND_UP_COUNT((X), ALIGN_WORST))
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#if 0
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#define DhcpDsDbgPrint printf
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#define StoreTrace2 printf
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#define StoreTrace3 printf
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#else
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#define DhcpDsDbgPrint (void)
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#define StoreTrace2 (void)
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#define StoreTrace3 (void)
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#endif
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static const
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LPWSTR constNamingContextString = L"configurationNamingContext";
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static const // cn is NOT mandatory..what is?
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LPWSTR constCNAttrib = L"cn"; // the attribute that is unique,mandator for each object..
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//================================================================================
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// interal helpers
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//================================================================================
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LPWSTR _inline
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DuplicateString( // allocate and copy this LPWSTR value
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IN LPWSTR StringIn,
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IN BOOL EmptyString // convert empty string to L"" ?
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)
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{
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LPWSTR StringOut;
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if( NULL == StringIn ) {
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if( FALSE == EmptyString ) return NULL;
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StringIn = L"";
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}
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StringOut = MemAlloc(sizeof(WCHAR)*(1 + wcslen(StringIn)));
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if( NULL == StringOut) return NULL;
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wcscpy(StringOut, StringIn);
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return StringOut;
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}
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DWORD _inline
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SizeString( // # of bytes to copy the string
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IN LPWSTR StringIn, // OPTIONAL
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IN BOOL EmptyString // Convert NULL to L"" ?
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)
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{
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if( NULL == StringIn ) {
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return EmptyString? sizeof(WCHAR) : 0;
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}
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return sizeof(WCHAR)*(1+wcslen(StringIn));
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}
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LPWSTR _inline
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MakeColumnName(
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IN LPWSTR RawColumnName
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)
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{
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LPWSTR RetVal;
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RetVal = MemAlloc(SizeString(constCNAttrib,FALSE) + sizeof(LDAP_JOIN) + sizeof(WCHAR)*wcslen(RawColumnName));
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if( NULL == RetVal ) return RetVal;
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wcscpy(RetVal, constCNAttrib);
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wcscat(RetVal, LDAP_JOIN);
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wcscat(RetVal, RawColumnName);
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return RetVal;
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}
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LPWSTR _inline
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MakeSubnetLocation( // make a DN name out of servername. address
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IN LPWSTR ServerName, // name of server
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IN DWORD IpAddress // subnet address
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)
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{
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DWORD Size;
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LPWSTR RetVal;
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LPSTR AddrString;
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Size = SizeString(constCNAttrib,FALSE) + sizeof(LDAP_JOIN) + sizeof(WCHAR)*wcslen(ServerName);
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Size += sizeof(WCHAR) + sizeof(L"000.000.000.000");
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RetVal = MemAlloc(Size);
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if( NULL == RetVal ) return NULL; // not enough memory
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wcscpy(RetVal, constCNAttrib);
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wcscat(RetVal, LDAP_JOIN);
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wcscat(RetVal, ServerName);
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wcscat(RetVal, L"!" );
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IpAddress = htonl(IpAddress); // convert to network order before writing...
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AddrString = inet_ntoa(*(struct in_addr *)&IpAddress);
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mbstowcs(&RetVal[wcslen(RetVal)], AddrString, 1+strlen(AddrString));
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return RetVal;
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}
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LPWSTR _inline
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MakeReservationLocation( // make a DN name out of server name. address
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IN LPWSTR ServerName, // name of server
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IN DWORD IpAddress // subnet address
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)
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{
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return MakeSubnetLocation(ServerName, IpAddress);
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}
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DWORD _inline
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ConvertHresult( // try to convert HRESULT to Win32 errors
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IN HRESULT HResult
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)
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{
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if( 0 == (((ULONG)(HRESULT_FACILITY(HResult))) & ~0xF )) {
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return HRESULT_CODE(HResult); // known result
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}
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return HResult ; // unknown facility
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}
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//================================================================================
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// end of file
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//================================================================================
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