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164 lines
3.4 KiB
164 lines
3.4 KiB
/*++
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Copyright (c) 1997-2000 Microsoft Corporation
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Module Name:
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rndilslk.cpp
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Abstract:
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This module contains code to look up ILS in NTDS.
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--*/
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#include "stdafx.h"
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#include <initguid.h>
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Global constants //
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// //
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///////////////////////////////////////////////////////////////////////////////
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// {C9F17940-79A7-11d1-B008-00C04FC31FEE}
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DEFINE_GUID(CLSID_ILSServicClass,
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0xc9f17940, 0x79a7, 0x11d1, 0xb0, 0x8, 0x0, 0xc0, 0x4f, 0xc3, 0x1f, 0xee);
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#define BUFFSIZE 3000
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int LookupILSServiceBegin(
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HANDLE * pHandle
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)
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/*++
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Routine Description:
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Begin ILS service enumeration.
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Arguments:
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pHandle - the handle of the enumerator.
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Return Value:
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Wisock error codes.
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--*/
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{
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WSAVERSION Version;
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AFPROTOCOLS lpAfpProtocols[1];
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WSAQUERYSET Query;
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if (IsBadWritePtr(pHandle, sizeof(HANDLE *)))
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{
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return ERROR_INVALID_PARAMETER;
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}
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ZeroMemory(&Query, sizeof(WSAQUERYSET));
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Query.dwNumberOfProtocols = 1;
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lpAfpProtocols[0].iAddressFamily = AF_INET;
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lpAfpProtocols[0].iProtocol = PF_INET;
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Query.lpafpProtocols = lpAfpProtocols;
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Query.lpszServiceInstanceName = L"*";
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Query.dwNameSpace = NS_NTDS;
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Query.dwSize = sizeof(Query);
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Query.lpServiceClassId = (GUID *)&CLSID_ILSServicClass;
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if (WSALookupServiceBegin(
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&Query,
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LUP_RETURN_ALL,
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pHandle ) == SOCKET_ERROR )
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{
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return WSAGetLastError();
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}
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return NOERROR;
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}
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int LookupILSServiceNext(
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HANDLE Handle,
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TCHAR * pBuf,
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DWORD * pdwBufSize,
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WORD * pwPort
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)
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/*++
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Routine Description:
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look up the next ILS server.
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Arguments:
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Handle - The handle of the enumeration.
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pBuf - A pointer to a buffer of TCHARs that will store the DNS
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name of the ILS server.
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pdwBufSize - The size of the buffer.
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pwPort - The port that the ILS server is using.
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Return Value:
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Wisock error codes.
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--*/
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{
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TCHAR buffer[BUFFSIZE];
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DWORD dwSize = BUFFSIZE;
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LPWSAQUERYSET lpResult = (LPWSAQUERYSET)buffer;
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LPCSADDR_INFO lpCSAddrInfo;
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LPSOCKADDR lpSocketAddress;
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if (WSALookupServiceNext(Handle, 0, &dwSize, lpResult) == SOCKET_ERROR)
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{
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return WSAGetLastError();
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}
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lpCSAddrInfo = lpResult->lpcsaBuffer;
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if (IsBadReadPtr(lpCSAddrInfo, sizeof(CSADDR_INFO)))
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{
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return ERROR_BAD_FORMAT;
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}
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lpSocketAddress = lpCSAddrInfo->RemoteAddr.lpSockaddr;
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if (IsBadReadPtr(lpSocketAddress, sizeof(SOCKADDR)))
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{
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return ERROR_BAD_FORMAT;
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}
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*pwPort = ((struct sockaddr_in*) lpSocketAddress->sa_data)->sin_port;
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lstrcpyn(pBuf, lpResult->lpszServiceInstanceName, *pdwBufSize);
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*pdwBufSize = lstrlen(pBuf);
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return NOERROR;
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}
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int LookupILSServiceEnd(
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HANDLE Handle
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)
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/*++
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Routine Description:
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Finish the ils service enumerator.
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Arguments:
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Handle - the handle of the enumerator.
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Return Value:
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Wisock error codes.
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--*/
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{
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if (WSALookupServiceEnd(Handle) == SOCKET_ERROR)
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{
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return WSAGetLastError();
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}
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return NOERROR;
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}
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