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385 lines
7.0 KiB
385 lines
7.0 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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dhcbind.c
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Abstract:
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Routines which use RPC to bind and unbind the client to the
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WINS server service.
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Author:
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Pradeep Bahl (pradeepb) April-1993
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Environment:
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User Mode - Win32
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Revision History:
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--*/
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#include "wins.h"
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#include "winsif.h"
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handle_t
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WinsCommonBind(
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PWINSINTF_BIND_DATA_T pBindData
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)
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/*++
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Routine Description:
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This routine is called from the WINS server service client stubs when
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it is necessary create an RPC binding to the server end.
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Arguments:
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ServerIpAddress - The IP address of the server to bind to.
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Return Value:
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The binding handle is returned to the stub routine. If the bind is
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unsuccessful, a NULL will be returned.
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--*/
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{
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RPC_STATUS rpcStatus;
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LPTSTR binding;
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LPTSTR pProtSeq;
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LPTSTR pOptions = (TCHAR *)NULL;
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LPTSTR pServerAdd = (LPTSTR)pBindData->pServerAdd;
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handle_t bhandle;
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if (pBindData->fTcpIp)
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{
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if (lstrcmp((LPCTSTR)pBindData->pServerAdd, TEXT("127.0.0.1")) == 0)
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{
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pProtSeq = TEXT("ncalrpc");
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pOptions = TEXT("Security=Impersonation Dynamic False");
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pServerAdd = (TCHAR *)NULL;
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}
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else
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{
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pProtSeq = TEXT("ncacn_ip_tcp");
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pServerAdd = (LPTSTR)pBindData->pServerAdd;
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}
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pBindData->pPipeName = NULL;
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}
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else
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{
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pProtSeq = TEXT("ncacn_np");
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}
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//
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// Enter the critical section. This will be freed WINSIF_HANDLE_unbind().
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//
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//EnterCriticalSection(&WinsRpcCrtSec);
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rpcStatus = RpcStringBindingCompose(
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0,
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pProtSeq,
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pServerAdd,
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pBindData->fTcpIp ? TEXT("") : (LPWSTR)pBindData->pPipeName,
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pOptions,
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&binding);
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if ( rpcStatus != RPC_S_OK )
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{
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return( NULL );
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}
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rpcStatus = RpcBindingFromStringBinding( binding, &bhandle );
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RpcStringFree(&binding);
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if ( rpcStatus != RPC_S_OK )
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{
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return( NULL );
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}
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#if SECURITY > 0
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rpcStatus = RpcBindingSetAuthInfo(
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bhandle,
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WINS_SERVER,
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RPC_C_AUTHN_LEVEL_CONNECT,
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RPC_C_AUTHN_WINNT,
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NULL,
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RPC_C_AUTHZ_NAME
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);
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if ( rpcStatus != RPC_S_OK )
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{
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return( NULL );
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}
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#endif
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return bhandle;
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}
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handle_t
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WinsABind(
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PWINSINTF_BIND_DATA_T pBindData
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)
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{
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WCHAR WcharString1[WINSINTF_MAX_NAME_SIZE];
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WCHAR WcharString2[WINSINTF_MAX_NAME_SIZE];
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DWORD NoOfChars;
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WINSINTF_BIND_DATA_T BindData;
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if (pBindData->pServerAdd != NULL)
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{
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NoOfChars = MultiByteToWideChar(CP_ACP, 0, pBindData->pServerAdd, -1,
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WcharString1, WINSINTF_MAX_NAME_SIZE);
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if (NoOfChars > 0)
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{
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BindData.pServerAdd = (LPSTR)WcharString1;
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}
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}
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else
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{
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BindData.pServerAdd = (LPSTR)((TCHAR *)NULL);
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}
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if (!pBindData->fTcpIp)
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{
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BindData.fTcpIp = 0;
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NoOfChars = MultiByteToWideChar(CP_ACP, 0,
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pBindData->pPipeName, -1,
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WcharString2, WINSINTF_MAX_NAME_SIZE);
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if (NoOfChars > 0)
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{
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BindData.pPipeName = (LPSTR)WcharString2;
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}
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}
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else
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{
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BindData.fTcpIp = 1;
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}
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return(WinsCommonBind(&BindData));
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}
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handle_t
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WinsUBind(
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PWINSINTF_BIND_DATA_T pBindData
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)
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{
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return(WinsCommonBind(pBindData));
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}
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VOID
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WinsUnbind(
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PWINSINTF_BIND_DATA_T pBindData,
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handle_t BindHandle
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)
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{
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(VOID)RpcBindingFree(&BindHandle);
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return;
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}
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handle_t
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WINSIF_HANDLE_bind(
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WINSIF_HANDLE ServerHdl
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)
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/*++
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Routine Description:
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This routine is called from the WINS server service client stubs when
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it is necessary create an RPC binding to the server end.
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Arguments:
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ServerIpAddress - The IP address of the server to bind to.
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Return Value:
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The binding handle is returned to the stub routine. If the bind is
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unsuccessful, a NULL will be returned.
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--*/
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{
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return WinsCommonBind( ServerHdl );
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}
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void
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WINSIF_HANDLE_unbind(
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WINSIF_HANDLE ServerHdl,
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handle_t BindHandle
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)
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/*++
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Routine Description:
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This routine is called from the DHCP server service client stubs
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when it is necessary to unbind from the server end.
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Arguments:
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ServerIpAddress - This is the IP address of the server from which to unbind.
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BindingHandle - This is the binding handle that is to be closed.
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Return Value:
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None.
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--*/
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{
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WinsUnbind( ServerHdl, BindHandle );
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}
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handle_t
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WINSIF2_HANDLE_bind(
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WINSIF2_HANDLE ServerHdl
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)
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/*++
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Routine Description:
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This routine is called from the WINS server service client stubs when
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it is necessary create an RPC binding to the server end.
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Arguments:
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ServerIpAddress - The IP address of the server to bind to.
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Return Value:
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The binding handle is returned to the stub routine. If the bind is
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unsuccessful, a NULL will be returned.
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--*/
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{
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return ((handle_t)ServerHdl);
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}
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void
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WINSIF2_HANDLE_unbind(
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WINSIF2_HANDLE ServerHdl,
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handle_t BindHandle
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)
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/*++
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Routine Description:
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This routine is called from the DHCP server service client stubs
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when it is necessary to unbind from the server end.
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Arguments:
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ServerIpAddress - This is the IP address of the server from which to unbind.
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BindingHandle - This is the binding handle that is to be closed.
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Return Value:
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None.
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--*/
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{
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UNREFERENCED_PARAMETER( ServerHdl );
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UNREFERENCED_PARAMETER( BindHandle );
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return;
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}
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//void __RPC_FAR * __RPC_API
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LPVOID
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midl_user_allocate(size_t cBytes)
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{
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LPVOID pMem;
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pMem = (LPVOID)LocalAlloc(LMEM_FIXED, cBytes);
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return(pMem);
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}
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//void __RPC_API
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VOID
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//midl_user_free(void __RPC_FAR *pMem)
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midl_user_free(void *pMem)
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{
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if (pMem != NULL)
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{
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LocalFree((HLOCAL)pMem);
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}
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return;
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}
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LPVOID
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WinsAllocMem(size_t cBytes)
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{
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return(midl_user_allocate(cBytes));
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}
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VOID
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WinsFreeMem(LPVOID pMem)
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{
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midl_user_free(pMem);
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}
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DWORD
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WinsGetBrowserNames_Old(
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WINSIF2_HANDLE ServerHdl,
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PWINSINTF_BROWSER_NAMES_T pNames
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)
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{
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DWORD status;
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RpcTryExcept {
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status = R_WinsGetBrowserNames_Old(
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ServerHdl,
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pNames
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);
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} RpcExcept( I_RpcExceptionFilter(RpcExceptionCode()) ) {
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status = RpcExceptionCode();
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} RpcEndExcept
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return status;
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}
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DWORD
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WinsGetBrowserNames(
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WINSIF_HANDLE ServerHdl,
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PWINSINTF_BROWSER_NAMES_T pNames
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)
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{
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DWORD status;
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RpcTryExcept {
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status = R_WinsGetBrowserNames(
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ServerHdl,
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pNames
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);
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} RpcExcept( I_RpcExceptionFilter(RpcExceptionCode()) ) {
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status = RpcExceptionCode();
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} RpcEndExcept
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return status;
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}
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