1779 lines
46 KiB
C
1779 lines
46 KiB
C
/****************************************************************************
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* (c) Copyright 1993 Micro Computer Systems, Inc. All rights reserved.
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*****************************************************************************
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*
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* Title: IPX WinSock Helper DLL for Windows NT
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*
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* Module: ipx/sockhelp/wshelper.c
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*
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* Version: 1.00.00
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*
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* Date: 04-08-93
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*
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* Author: Brian Walker
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*
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*****************************************************************************
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*
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* Change Log:
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*
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* Date DevSFC Comment
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* -------- ------ -------------------------------------------------------
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*
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*****************************************************************************
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*
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* Functional Description:
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*
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****************************************************************************/
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windef.h>
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#include <winbase.h>
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#include <tdi.h>
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#include <winsock.h>
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#include <wsahelp.h>
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#include <basetyps.h>
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#include <nspapi.h>
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#include <nspapip.h>
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#include <wsipx.h>
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#include <wsnwlink.h>
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#include <isnkrnl.h>
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#if defined(UNICODE)
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#define NWLNKSPX_SERVICE_NAME L"nwlnkspx"
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#else
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#define NWLNKSPX_SERVICE_NAME "nwlnkspx"
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#endif
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typedef struct _IPX_OLD_ADDRESS_DATA {
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UINT adapternum;
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UCHAR netnum[4];
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UCHAR nodenum[6];
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} IPX_OLD_ADDRESS_DATA, *PIPX_OLD_ADDRESS_DATA;
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/** Device names for IPX sockets **/
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#define ISNDGRAM_DEVNAME L"\\Device\\NwlnkIpx"
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/** Device names for SPX/SPXII sockets **/
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#define ISNSTREAM_DEVNAME L"\\Device\\NwlnkSpx\\SpxStream"
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#define ISNSEQPKT_DEVNAME L"\\Device\\NwlnkSpx\\Spx"
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#define ISNSTREAMII_DEVNAME L"\\Device\\NwlnkSpx\\Stream"
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#define ISNSEQPKTII_DEVNAME L"\\Device\\NwlnkSpx"
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/** Friendly names for IPX and SPX. **/
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#define SPX_NAME L"SPX"
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#define SPX2_NAME L"SPX II"
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#define IPX_NAME L"IPX"
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/** Start for IPX protocol families **/
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#define MCSBASE_DGRAM NSPROTO_IPX
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/** **/
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UCHAR wsh_bcast[6] = {
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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};
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// SPX Loaded flag, set for each process
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BOOLEAN SpxLoaded = FALSE;
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//
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// IPX/SPX provider GUIDs.
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//
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GUID IpxProviderGuid =
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{ /* 11058240-be47-11cf-95c8-00805f48a192 */
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0x11058240,
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0xbe47,
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0x11cf,
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{ 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}
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};
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GUID SpxProviderGuid =
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{ /* 11058241-be47-11cf-95c8-00805f48a192 */
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0x11058241,
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0xbe47,
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0x11cf,
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{ 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}
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};
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/** Forward Decls/External Prototypes **/
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DWORD
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WshLoadSpx(
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VOID);
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extern
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INT
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do_tdi_action(
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HANDLE,
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ULONG,
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PUCHAR,
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INT,
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BOOLEAN,
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PHANDLE OPTIONAL);
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/*page****************************************************************
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These are the triples we support.
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*********************************************************************/
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typedef struct _MAPPING_TRIPLE {
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INT triple_addrfam;
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INT triple_socktype;
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INT triple_protocol;
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} MAPPING_TRIPLE, *PMAPPING_TRIPLE;
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#define MAPPING_NUM_COLUMNS 3
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extern MAPPING_TRIPLE stream_triples[];
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extern int stream_num_triples;
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extern int stream_table_size;
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extern MAPPING_TRIPLE dgram_triples[];
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extern int dgram_num_triples;
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extern int dgram_table_size;
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/** Forward declarations on internal routines **/
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BOOLEAN is_triple_in_list(PMAPPING_TRIPLE, ULONG, INT, INT, INT);
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/**
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There is one of these structures allocated for every
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socket that is created for us.
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**/
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typedef struct _WSHIPX_SOCKET_CONTEXT {
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INT con_addrfam;
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INT con_socktype;
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INT con_pcol;
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INT con_flags;
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UCHAR con_sendptype; /* Current send packet type */
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UCHAR con_recvptype; /* Recv ptype we are filtering on */
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UCHAR con_dstype; /* Datastream type */
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} WSHIPX_SOCKET_CONTEXT, *PWSHIPX_SOCKET_CONTEXT;
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/** Values for con_flags **/
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#define WSHCON_FILTER 0x0001 /* We are filtering on recv pkt type */
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#define WSHCON_EXTADDR 0x0002 /* Extended addressing is on */
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#define WSHCON_SENDHDR 0x0004 /* Send header flag */
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#define WSHCON_RCVBCAST 0x0008 /* It does receive broadcasts */
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#define WSHCON_IMM_SPXACK 0x0020 /* Immediate spx acks no piggyback */
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/*page***************************************************************
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W S H O p e n S o c k e t
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This is called for the socket call. We make sure that
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we support the address family/socket type/protocol triple
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given and then we will allocate some memory to keep track
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of the socket.
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Arguments - addrfam = Entry: Address family from socket call
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Exit: Filled in address family
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socktype = Entry: Socket type from socket call
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Exit: Filled in socket type
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pcol = Entry: Protocol from socket call
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Exit: Filled in protocol
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devname = Ptr to where to store device name
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pcontext = Where to store context value
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events = Bitmask for events we want to know about
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Returns - NO_ERROR = OK
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Else = WinSock Error Code
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*********************************************************************/
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INT WSHOpenSocket(PINT addrfam, PINT socktype, PINT pcol,
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PUNICODE_STRING devname, PVOID *pcontext, PDWORD events)
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{
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PWSHIPX_SOCKET_CONTEXT context;
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/** Determine whether this is DGRAM or STREAM or SEQPACKET **/
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if (is_triple_in_list(stream_triples, stream_num_triples,
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*addrfam, *socktype, *pcol)) {
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if (*socktype == SOCK_SEQPACKET) {
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if (*pcol == NSPROTO_SPX)
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RtlInitUnicodeString(devname, ISNSEQPKT_DEVNAME);
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else
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RtlInitUnicodeString(devname, ISNSEQPKTII_DEVNAME);
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}
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else {
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if (*pcol == NSPROTO_SPX)
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RtlInitUnicodeString(devname, ISNSTREAM_DEVNAME);
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else
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RtlInitUnicodeString(devname, ISNSTREAMII_DEVNAME);
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}
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if (!SpxLoaded) {
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WshLoadSpx();
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}
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}
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/** Check for DGRAM **/
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else if (is_triple_in_list(dgram_triples, dgram_num_triples,
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*addrfam, *socktype, *pcol)) {
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RtlInitUnicodeString(devname, ISNDGRAM_DEVNAME);
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}
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/**
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All others are errors. This should never happen unless
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the registry information is wrong.
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**/
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else
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return WSAEINVAL;
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/** Allocate context for the socket **/
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context = RtlAllocateHeap(RtlProcessHeap(), 0L, sizeof(*context));
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if (context == NULL)
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return WSAENOBUFS;
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/** Init the context **/
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context->con_addrfam = *addrfam;
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context->con_socktype = *socktype;
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context->con_pcol = *pcol;
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context->con_flags = WSHCON_RCVBCAST;
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context->con_sendptype = (UCHAR)(*pcol - MCSBASE_DGRAM);
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context->con_recvptype = 0;
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context->con_dstype = 0;
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/**
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Tell the Windows Sockets DLL which state transitions we
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are interested in.
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**/
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*events = WSH_NOTIFY_CLOSE | WSH_NOTIFY_BIND | WSH_NOTIFY_CONNECT;
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/** Give WinSock DLL our context pointer **/
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*pcontext = context;
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/** Everything OK - return OK **/
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return NO_ERROR;
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}
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/*page**************************************************************
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W S H G e t S o c k A d d r T y p e
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This routine parses a sockaddr to determine the type
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of machine address and endpoint address portions of the
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sockaddr. This is called by the WinSock DLL whenever it
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needs to interpret a sockaddr.
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Arguments - sockaddr = Ptr to sockaddr struct to evaluate
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sockaddrlen = Length of data in the sockaddr
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sockaddrinfo = Ptr to structure to recv info
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about the sockaddr
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Returns - NO_ERROR = Evaluation OK
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Else = WinSock error code
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********************************************************************/
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INT WSHGetSockaddrType(PSOCKADDR sockaddr, DWORD sockaddrlen,
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PSOCKADDR_INFO sockaddrinfo)
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{
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PSOCKADDR_IPX sa = (PSOCKADDR_IPX)sockaddr;
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/** Make sure the address family is correct **/
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if (sa->sa_family != AF_NS)
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return WSAEAFNOSUPPORT;
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/** Make sure the length is OK **/
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if (sockaddrlen < sizeof(SOCKADDR_IPX))
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return WSAEFAULT;
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/** Looks like a good addr - determine the type **/
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if (!memcmp(sa->sa_nodenum, wsh_bcast, 6))
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sockaddrinfo->AddressInfo = SockaddrAddressInfoBroadcast;
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else
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sockaddrinfo->AddressInfo = SockaddrAddressInfoNormal;
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/** Determine the endpoint **/
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if (sa->sa_socket == 0)
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sockaddrinfo->EndpointInfo = SockaddrEndpointInfoWildcard;
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else if (ntohs(sa->sa_socket) < 2000)
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sockaddrinfo->EndpointInfo = SockaddrEndpointInfoReserved;
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else
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sockaddrinfo->EndpointInfo = SockaddrEndpointInfoNormal;
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/** **/
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return NO_ERROR;
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}
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/*page**************************************************************
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W S H G e t W i n s o c k M a p p i n g
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Returns the list of address family/socket type/protocol
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triples supported by this helper DLL.
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Arguments - mapping = Contect ptr from WSAOpenSocket
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maplen =
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Returns - The length in bytes of a eeded OK
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Else = WinSock error code
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********************************************************************/
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DWORD WSHGetWinsockMapping(PWINSOCK_MAPPING mapping, DWORD maplen)
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{
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DWORD len;
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/**
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Figure how much data we are going to copy into
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the user buffer.
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**/
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len = sizeof(WINSOCK_MAPPING) - sizeof(MAPPING_TRIPLE) +
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dgram_table_size + stream_table_size;
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/**
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If the buffer passed is too small, then return the size
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that is needed. The caller should then call us again
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with a buffer of the correct size.
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**/
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if (len > maplen)
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return len;
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/** Fill in the output buffer **/
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mapping->Rows = stream_num_triples + dgram_num_triples;
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mapping->Columns = MAPPING_NUM_COLUMNS;
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RtlMoveMemory(mapping->Mapping,
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stream_triples,
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stream_table_size);
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RtlMoveMemory((PCHAR)mapping->Mapping + stream_table_size,
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dgram_triples,
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dgram_table_size);
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/** Return the number of bytes we filled in **/
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return len;
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}
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/*page***************************************************************
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W S H N o t i f y
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This routine is called for events that we registered at
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open socket time.
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Arguments - context = Context ptr from WSAOpenSocket
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handle = Socket handle
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addrhandle = Datagram Handle
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connhandle = Connection Handle
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event = What event happened
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Returns - NO_ERROR = Operation succeeded OK
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Else = WinSock error code
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*********************************************************************/
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INT WSHNotify(PVOID context, SOCKET handle,
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HANDLE addrhandle, HANDLE connhandle,
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DWORD event)
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{
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INT rc;
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INT t1;
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PWSHIPX_SOCKET_CONTEXT ct;
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/** Get context pointer **/
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ct = (PWSHIPX_SOCKET_CONTEXT)context;
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/** On close - just free the context structure **/
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if (event == WSH_NOTIFY_CLOSE) {
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RtlFreeHeap(RtlProcessHeap(), 0L, context);
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return NO_ERROR;
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}
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/** On bind set the send packet type **/
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if (event == WSH_NOTIFY_BIND)
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{
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if (ct->con_socktype == SOCK_DGRAM)
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{
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/** Set the send packet ptype **/
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t1 = (UINT)ct->con_sendptype;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_PTYPE, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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if (ct->con_flags & WSHCON_EXTADDR)
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{
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t1 = 1;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_EXTENDED_ADDRESS, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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}
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/** Set the recv filter packet type **/
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if (ct->con_flags & WSHCON_FILTER)
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{
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t1 = (UINT)ct->con_recvptype;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_FILTERPTYPE, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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}
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/** Set up broadcast reception **/
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if (ct->con_flags & WSHCON_RCVBCAST)
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{
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t1 = 1;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_RECEIVE_BROADCAST, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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}
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/** Enable send header if we need to **/
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if (ct->con_flags & WSHCON_SENDHDR)
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{
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t1 = 1;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_RECVHDR, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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}
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}
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else if ((ct->con_socktype == SOCK_STREAM) ||
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(ct->con_socktype == SOCK_SEQPACKET))
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{
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if (ct->con_flags & WSHCON_SENDHDR)
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{
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t1 = 1;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_RECVHDR, (PCHAR)&t1, sizeof(INT));
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if (rc)
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return rc;
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}
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if (ct->con_flags & WSHCON_IMM_SPXACK)
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{
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t1 = 1;
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rc = WSHSetSocketInformation(
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context, handle, addrhandle,
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connhandle, NSPROTO_IPX,
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IPX_IMMEDIATESPXACK, (PCHAR)&t1, sizeof(INT));
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|
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if (rc)
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return rc;
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}
|
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}
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|
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/** It is OK - return OK **/
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return NO_ERROR;
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}
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|
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/** On connect set things not set already **/
|
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if (event == WSH_NOTIFY_CONNECT)
|
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{
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|
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/** If on DGRAM - just return OK **/
|
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if (ct->con_socktype == SOCK_DGRAM)
|
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return NO_ERROR;
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|
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/**
|
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If the datastream type has been set - set it
|
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**/
|
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|
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if (ct->con_dstype)
|
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{
|
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rc = do_tdi_action(connhandle, MSPX_SETDATASTREAM, &ct->con_dstype, 1, FALSE, NULL);
|
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if (rc)
|
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return rc;
|
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}
|
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|
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/** It is OK - return OK **/
|
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return NO_ERROR;
|
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}
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|
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/** All others are bad **/
|
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return WSAEINVAL;
|
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}
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|
|
|
|
/*page**************************************************************
|
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W S H G e t S o c k I n f o r m a t i o n
|
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|
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This routine retrieves information about a socket for those
|
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socket options supported in this DLL. The options
|
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supported here are SO_KEEPALIVE and SO_DONTROUTE. This
|
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routine is called by the WinSock DLL when a level/option name
|
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combination is passed to getsockopt that the WinSock DLL
|
|
does not understand.
|
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|
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Arguments - context = Context ptr from WSAOpenSocket
|
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handle = Socket handle
|
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addrhandle = Datagram Handle
|
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connhandle = Connection Handle
|
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level = Level from getsockopt call
|
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optname = Option name from getsockopt call
|
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optvalue = Option value ptr from getsockopt call
|
|
optlength = Option length field from getsockopt call
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|
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Returns - NO_ERROR = Operation succeeded OK
|
|
Else = WinSock error code
|
|
********************************************************************/
|
|
INT WSHGetSocketInformation(PVOID context, SOCKET handle,
|
|
HANDLE addrhandle, HANDLE connhandle,
|
|
INT level, INT optname, PCHAR optvalue,
|
|
PINT optlength)
|
|
{
|
|
PWSHIPX_SOCKET_CONTEXT ct;
|
|
INT rc;
|
|
INT ibuf[2];
|
|
PIPX_ADDRESS_DATA p;
|
|
|
|
/** Get ptr to context **/
|
|
|
|
ct = (PWSHIPX_SOCKET_CONTEXT)context;
|
|
|
|
//
|
|
// Check if this is an internal request for context information.
|
|
//
|
|
|
|
if ( level == SOL_INTERNAL && optname == SO_CONTEXT ) {
|
|
|
|
//
|
|
// The Windows Sockets DLL is requesting context information
|
|
// from us. If an output buffer was not supplied, the Windows
|
|
// Sockets DLL is just requesting the size of our context
|
|
// information.
|
|
//
|
|
|
|
if ( optvalue != NULL ) {
|
|
|
|
//
|
|
// Make sure that the buffer is sufficient to hold all the
|
|
// context information.
|
|
//
|
|
|
|
if ( *optlength < sizeof(*ct) ) {
|
|
return WSAEFAULT;
|
|
}
|
|
|
|
//
|
|
// Copy in the context information.
|
|
//
|
|
|
|
RtlCopyMemory( optvalue, ct, sizeof(*ct) );
|
|
}
|
|
|
|
*optlength = sizeof(*ct);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
/** The only level we support is NSPROTO_IPX **/
|
|
|
|
if (level != NSPROTO_IPX)
|
|
return WSAEINVAL;
|
|
|
|
/** Fill in the result based on the options name **/
|
|
|
|
switch (optname) {
|
|
|
|
/** Get the current send packet type **/
|
|
|
|
case IPX_PTYPE:
|
|
|
|
/** Make sure the length is OK **/
|
|
|
|
if (*optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Set the type **/
|
|
|
|
*(UINT *)optvalue = (UINT)ct->con_sendptype;
|
|
*optlength = sizeof(UINT);
|
|
break;
|
|
|
|
/** Get the current recv packet type filter **/
|
|
|
|
case IPX_FILTERPTYPE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (*optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** If option not on - return error **/
|
|
|
|
if (!(ct->con_flags & WSHCON_FILTER))
|
|
return WSAEINVAL;
|
|
|
|
/** Save the new value **/
|
|
|
|
*(UINT *)optvalue = (UINT)ct->con_recvptype;
|
|
*optlength = sizeof(UINT);
|
|
break;
|
|
|
|
/** Get the max DGRAM size that can be sent **/
|
|
|
|
case IPX_MAXSIZE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (*optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the value from the driver **/
|
|
|
|
rc = do_tdi_action(addrhandle, MIPX_GETPKTSIZE, (PUCHAR)ibuf, sizeof(INT)*2, TRUE, NULL);
|
|
|
|
*(INT *)optvalue = ibuf[1];
|
|
*optlength = sizeof(int);
|
|
|
|
/** Return the result **/
|
|
|
|
return rc;
|
|
|
|
/** Get the max adapternum that is valid **/
|
|
|
|
case IPX_MAX_ADAPTER_NUM:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (*optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the value from the driver **/
|
|
|
|
rc = do_tdi_action(addrhandle, MIPX_ADAPTERNUM, optvalue, sizeof(INT), TRUE, NULL);
|
|
|
|
*optlength = sizeof(int);
|
|
|
|
/** Return the result **/
|
|
|
|
return rc;
|
|
|
|
/** Get SPX statistics **/
|
|
|
|
case IPX_SPXGETCONNECTIONSTATUS:
|
|
|
|
/** Make sure data length OK **/
|
|
|
|
if (*optlength < sizeof(IPX_SPXCONNSTATUS_DATA))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a STREAM socket **/
|
|
|
|
if ((ct->con_socktype != SOCK_STREAM) &&
|
|
(ct->con_socktype != SOCK_SEQPACKET)) {
|
|
|
|
return WSAEINVAL;
|
|
}
|
|
|
|
/** Send it to the driver **/
|
|
|
|
rc = do_tdi_action(
|
|
connhandle,
|
|
MSPX_GETSTATS,
|
|
optvalue,
|
|
*optlength,
|
|
FALSE,
|
|
NULL);
|
|
|
|
if (rc)
|
|
return rc;
|
|
|
|
*optlength = sizeof(IPX_SPXCONNSTATUS_DATA);
|
|
|
|
/** Return OK **/
|
|
|
|
return NO_ERROR;
|
|
|
|
/** Get the current datastream type to send pkts with **/
|
|
|
|
case IPX_DSTYPE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (*optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a STREAM socket **/
|
|
|
|
if ((ct->con_socktype != SOCK_STREAM) &&
|
|
(ct->con_socktype != SOCK_SEQPACKET)) {
|
|
|
|
return WSAEINVAL;
|
|
}
|
|
|
|
/** Save the new value **/
|
|
|
|
*(UINT *)optvalue = (UINT)ct->con_dstype;
|
|
*optlength = sizeof(UINT);
|
|
break;
|
|
|
|
/** Get net information **/
|
|
|
|
case IPX_GETNETINFO:
|
|
|
|
/** Make sure data length OK **/
|
|
|
|
if (*optlength < sizeof(IPX_NETNUM_DATA))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Send it to the driver **/
|
|
|
|
rc = do_tdi_action(
|
|
addrhandle,
|
|
MIPX_GETNETINFO,
|
|
optvalue,
|
|
*optlength,
|
|
TRUE,
|
|
NULL);
|
|
|
|
if (rc) {
|
|
return rc;
|
|
}
|
|
|
|
*optlength = sizeof(IPX_NETNUM_DATA);
|
|
|
|
/** Return OK **/
|
|
|
|
return NO_ERROR;
|
|
|
|
/** Get net information without RIPping **/
|
|
|
|
case IPX_GETNETINFO_NORIP:
|
|
|
|
/** Make sure data length OK **/
|
|
|
|
if (*optlength < sizeof(IPX_NETNUM_DATA))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Send it to the driver **/
|
|
|
|
rc = do_tdi_action(
|
|
addrhandle,
|
|
MIPX_GETNETINFO_NR,
|
|
optvalue,
|
|
*optlength,
|
|
TRUE,
|
|
NULL);
|
|
|
|
if (rc) {
|
|
return rc;
|
|
}
|
|
|
|
*optlength = sizeof(IPX_NETNUM_DATA);
|
|
|
|
/** Return OK **/
|
|
|
|
return NO_ERROR;
|
|
|
|
/** Like GETNETINFO, but force a re-rip **/
|
|
|
|
case IPX_RERIPNETNUMBER:
|
|
|
|
/** Make sure data length OK **/
|
|
|
|
if (*optlength < sizeof(IPX_NETNUM_DATA))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Send it to the driver **/
|
|
|
|
rc = do_tdi_action(
|
|
addrhandle,
|
|
MIPX_RERIPNETNUM,
|
|
optvalue,
|
|
*optlength,
|
|
TRUE,
|
|
NULL);
|
|
|
|
if (rc) {
|
|
return rc;
|
|
}
|
|
|
|
*optlength = sizeof(IPX_NETNUM_DATA);
|
|
|
|
/** Return OK **/
|
|
|
|
return NO_ERROR;
|
|
|
|
/** Get card information **/
|
|
|
|
case IPX_ADDRESS_NOTIFY:
|
|
|
|
/** We need the action header, the data, and the event handle **/
|
|
|
|
if (*optlength < (INT)(FIELD_OFFSET(NWLINK_ACTION, Data[0]) + sizeof(IPX_ADDRESS_DATA) + sizeof(HANDLE)))
|
|
return WSAEFAULT;
|
|
|
|
/** Otherwise just fall through **/
|
|
|
|
case IPX_ADDRESS:
|
|
|
|
/** Make sure data length OK **/
|
|
|
|
if (*optlength < sizeof(IPX_OLD_ADDRESS_DATA))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Send it to the driver **/
|
|
|
|
if (optname == IPX_ADDRESS) {
|
|
|
|
rc = do_tdi_action(
|
|
addrhandle,
|
|
MIPX_GETCARDINFO,
|
|
optvalue,
|
|
*optlength,
|
|
TRUE,
|
|
NULL);
|
|
|
|
} else {
|
|
|
|
rc = do_tdi_action(
|
|
addrhandle,
|
|
MIPX_NOTIFYCARDINFO,
|
|
optvalue,
|
|
*optlength - sizeof(HANDLE),
|
|
TRUE,
|
|
(PHANDLE)(optvalue + FIELD_OFFSET(NWLINK_ACTION, Data[0]) + sizeof(IPX_ADDRESS_DATA)));
|
|
}
|
|
|
|
if (rc) {
|
|
p = (PIPX_ADDRESS_DATA)optvalue;
|
|
memset(p->netnum, 0xFF, 4);
|
|
memset(p->nodenum, 0xFF, 6);
|
|
return rc;
|
|
}
|
|
|
|
/** Return OK **/
|
|
|
|
if (*optlength < sizeof(IPX_ADDRESS_DATA)) {
|
|
*optlength = sizeof(IPX_OLD_ADDRESS_DATA);
|
|
} else if (*optlength < sizeof(IPX_ADDRESS_DATA)) {
|
|
*optlength = sizeof(IPX_ADDRESS_DATA);
|
|
}
|
|
|
|
return NO_ERROR;
|
|
|
|
/** All others are error **/
|
|
|
|
default:
|
|
return WSAENOPROTOOPT;
|
|
}
|
|
|
|
/** All is OK **/
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
/*page***************************************************************
|
|
W S H S e t S o c k e t I n f o r m a t i o n
|
|
|
|
This routine sets information about a socket for those
|
|
options supported in this helper DLL. This routine
|
|
is called when a setsockopt call is made and the option/level
|
|
passed is unknown to the WinSock DLL.
|
|
|
|
Arguments - context = Context ptr from WSAOpenSocket
|
|
handle = Socket handle
|
|
addrhandle = Datagram Handle
|
|
connhandle = Connection Handle
|
|
level = Level from getsockopt call
|
|
optname = Option name from getsockopt call
|
|
optvalue = Option value ptr from getsockopt call
|
|
optlength = Option length field from getsockopt call
|
|
|
|
Returns - NO_ERROR = Operation succeeded OK
|
|
Else = WinSock error code
|
|
*********************************************************************/
|
|
INT WSHSetSocketInformation(PVOID context, SOCKET handle,
|
|
HANDLE addrhandle, HANDLE connhandle,
|
|
INT level, INT optname, PCHAR optvalue,
|
|
INT optlength)
|
|
{
|
|
PWSHIPX_SOCKET_CONTEXT ct;
|
|
INT rc;
|
|
|
|
/** Get ptr to context **/
|
|
|
|
ct = (PWSHIPX_SOCKET_CONTEXT)context;
|
|
|
|
//
|
|
// Check if this is an internal request for context information.
|
|
//
|
|
|
|
if ( level == SOL_INTERNAL && optname == SO_CONTEXT ) {
|
|
|
|
//
|
|
// The Windows Sockets DLL is requesting that we set context
|
|
// information for a new socket. If the new socket was
|
|
// accept()'ed, then we have already been notified of the socket
|
|
// and HelperDllSocketContext will be valid. If the new socket
|
|
// was inherited or duped into this process, then this is our
|
|
// first notification of the socket and HelperDllSocketContext
|
|
// will be equal to NULL.
|
|
//
|
|
// Insure that the context information being passed to us is
|
|
// sufficiently large.
|
|
//
|
|
|
|
if ( optlength < sizeof(*ct) ) {
|
|
return WSAEINVAL;
|
|
}
|
|
|
|
if ( ct == NULL ) {
|
|
|
|
//
|
|
// This is our notification that a socket handle was
|
|
// inherited or duped into this process. Allocate a context
|
|
// structure for the new socket.
|
|
//
|
|
|
|
ct = RtlAllocateHeap( RtlProcessHeap( ), 0, sizeof(*ct) );
|
|
if ( ct == NULL ) {
|
|
return WSAENOBUFS;
|
|
}
|
|
|
|
//
|
|
// Copy over information into the context block.
|
|
//
|
|
|
|
RtlCopyMemory( ct, optvalue, sizeof(*ct) );
|
|
|
|
//
|
|
// Tell the Windows Sockets DLL where our context information is
|
|
// stored so that it can return the context pointer in future
|
|
// calls.
|
|
//
|
|
|
|
*(PWSHIPX_SOCKET_CONTEXT *)optvalue = ct;
|
|
|
|
return NO_ERROR;
|
|
|
|
} else {
|
|
|
|
PWSHIPX_SOCKET_CONTEXT parentContext;
|
|
INT one = 1;
|
|
|
|
//
|
|
// The socket was accept()'ed and it needs to have the same
|
|
// properties as it's parent. The OptionValue buffer
|
|
// contains the context information of this socket's parent.
|
|
//
|
|
|
|
parentContext = (PWSHIPX_SOCKET_CONTEXT)optvalue;
|
|
|
|
ASSERT( ct->con_addrfam == parentContext->con_addrfam );
|
|
ASSERT( ct->con_socktype == parentContext->con_socktype );
|
|
ASSERT( ct->con_pcol == parentContext->con_pcol );
|
|
|
|
return NO_ERROR;
|
|
}
|
|
}
|
|
|
|
/** We only support level NSPROTO_IPX **/
|
|
|
|
if (level != NSPROTO_IPX)
|
|
return WSAEINVAL;
|
|
|
|
/** Handle the options **/
|
|
|
|
switch (optname) {
|
|
|
|
/** Set the send packet type **/
|
|
|
|
case IPX_PTYPE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the value and check it **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
if ((rc < 0) || (rc > 255))
|
|
return WSAEINVAL;
|
|
|
|
/** Save the new value **/
|
|
|
|
ct->con_sendptype = (UCHAR)rc;
|
|
|
|
/** Send the new value down to the driver **/
|
|
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_SETSENDPTYPE, &ct->con_sendptype, 1, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
|
|
return rc;
|
|
|
|
/** Set the recv filter for packet type **/
|
|
|
|
case IPX_FILTERPTYPE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the value and check it **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
if ((rc < 0) || (rc > 255))
|
|
return WSAEINVAL;
|
|
|
|
/** Save the new value **/
|
|
|
|
ct->con_recvptype = (UCHAR)rc;
|
|
ct->con_flags |= WSHCON_FILTER;
|
|
|
|
/** Send the new value down to the driver **/
|
|
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_FILTERPTYPE, &ct->con_recvptype, 1, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
|
|
/** **/
|
|
|
|
return rc;
|
|
|
|
/** Stop filtering recv on pkt type **/
|
|
|
|
case IPX_STOPFILTERPTYPE:
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Turn off the flag **/
|
|
|
|
ct->con_flags &= ~WSHCON_FILTER;
|
|
|
|
/** Tell the driver **/
|
|
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_NOFILTERPTYPE, NULL, 0, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
break;
|
|
|
|
/** Set piggyback wait for backtraffic flag **/
|
|
case IPX_IMMEDIATESPXACK:
|
|
|
|
/** Get the optvalue as an INT **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
|
|
/** **/
|
|
|
|
if (rc)
|
|
{
|
|
/** Turn it ON **/
|
|
rc = WSAEINVAL;
|
|
if ((ct->con_socktype == SOCK_STREAM) ||
|
|
(ct->con_socktype == SOCK_SEQPACKET))
|
|
{
|
|
rc = NO_ERROR;
|
|
|
|
ct->con_flags |= WSHCON_IMM_SPXACK;
|
|
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MSPX_NOACKWAIT, NULL, 0, TRUE, NULL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/** Turn it OFF **/
|
|
rc = WSAEINVAL;
|
|
if ((ct->con_socktype == SOCK_STREAM) ||
|
|
(ct->con_socktype == SOCK_SEQPACKET))
|
|
{
|
|
rc = NO_ERROR;
|
|
|
|
ct->con_flags &= ~WSHCON_IMM_SPXACK;
|
|
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MSPX_ACKWAIT, NULL, 0, TRUE, NULL);
|
|
}
|
|
}
|
|
|
|
/** Return the result **/
|
|
return rc;
|
|
|
|
/** Set to recv pcol hdrs with data **/
|
|
|
|
case IPX_RECVHDR:
|
|
|
|
/** Get the optvalue as an INT **/
|
|
rc = *(INT *)optvalue;
|
|
|
|
if (rc)
|
|
{
|
|
/** Turn it ON **/
|
|
ct->con_flags |= WSHCON_SENDHDR;
|
|
|
|
/** Send it to the driver **/
|
|
rc = WSAEINVAL;
|
|
if (ct->con_socktype == SOCK_DGRAM)
|
|
{
|
|
rc = NO_ERROR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_SENDHEADER, NULL, 0, TRUE, NULL);
|
|
}
|
|
else if ((ct->con_socktype == SOCK_STREAM) ||
|
|
(ct->con_socktype == SOCK_SEQPACKET))
|
|
{
|
|
/** Do this on address handle **/
|
|
rc = NO_ERROR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MSPX_SENDHEADER, NULL, 0, TRUE, NULL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
|
|
/** Turn it OFF **/
|
|
ct->con_flags &= ~WSHCON_SENDHDR;
|
|
|
|
/** Send it to the driver **/
|
|
rc = WSAEINVAL;
|
|
if (ct->con_socktype == SOCK_DGRAM)
|
|
{
|
|
rc = NO_ERROR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_NOSENDHEADER, NULL, 0, TRUE, NULL);
|
|
}
|
|
else if ((ct->con_socktype == SOCK_STREAM) ||
|
|
(ct->con_socktype == SOCK_SEQPACKET))
|
|
{
|
|
rc = NO_ERROR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MSPX_NOSENDHEADER, NULL, 0, TRUE, NULL);
|
|
}
|
|
}
|
|
|
|
/** Return the result **/
|
|
return rc;
|
|
|
|
/** Set the Datastream type to send pkts with **/
|
|
|
|
case IPX_DSTYPE:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a STREAM socket **/
|
|
|
|
if ((ct->con_socktype != SOCK_STREAM) &&
|
|
(ct->con_socktype != SOCK_SEQPACKET)) {
|
|
|
|
return WSAEINVAL;
|
|
}
|
|
|
|
/** Get the value and check it **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
if ((rc < 0) || (rc > 255))
|
|
return WSAEINVAL;
|
|
|
|
/** Save the new value **/
|
|
|
|
ct->con_dstype = (UCHAR)rc;
|
|
|
|
/** Send the new value down to the driver **/
|
|
|
|
if (connhandle)
|
|
rc = do_tdi_action(connhandle, MSPX_SETDATASTREAM, &ct->con_dstype, 1, FALSE, NULL);
|
|
else
|
|
rc = 0;
|
|
|
|
/** **/
|
|
|
|
return rc;
|
|
|
|
/** Set the extended address option **/
|
|
|
|
case IPX_EXTENDED_ADDRESS:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the optvalue as an INT **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
|
|
/** **/
|
|
|
|
if (rc) {
|
|
|
|
/** Send the option down to the driver **/
|
|
|
|
ct->con_flags |= WSHCON_EXTADDR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_SENDADDROPT, NULL, 0, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
}
|
|
else {
|
|
|
|
/** Send the option down to the driver **/
|
|
|
|
ct->con_flags &= ~WSHCON_EXTADDR;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_NOSENDADDROPT, NULL, 0, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
}
|
|
return rc;
|
|
|
|
|
|
/** Set the broadcast reception **/
|
|
|
|
case IPX_RECEIVE_BROADCAST:
|
|
|
|
/** Make sure length is OK **/
|
|
|
|
if (optlength < sizeof(INT))
|
|
return WSAEFAULT;
|
|
|
|
/** Make sure this is for a DGRAM socket **/
|
|
|
|
if (ct->con_socktype != SOCK_DGRAM)
|
|
return WSAEINVAL;
|
|
|
|
/** Get the optvalue as an INT **/
|
|
|
|
rc = *(INT *)optvalue;
|
|
|
|
/** **/
|
|
|
|
if (rc) {
|
|
|
|
/** Send the option down to the driver **/
|
|
|
|
ct->con_flags |= WSHCON_RCVBCAST;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_RCVBCAST, NULL, 0, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
}
|
|
else {
|
|
|
|
/** Send the option down to the driver **/
|
|
|
|
ct->con_flags &= ~WSHCON_RCVBCAST;
|
|
if (addrhandle)
|
|
rc = do_tdi_action(addrhandle, MIPX_NORCVBCAST, NULL, 0, TRUE, NULL);
|
|
else
|
|
rc = NO_ERROR;
|
|
}
|
|
return rc;
|
|
|
|
/** All others return error **/
|
|
|
|
default:
|
|
return WSAENOPROTOOPT;
|
|
}
|
|
|
|
/** All Done OK **/
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
/*page***************************************************************
|
|
W S H G e t W i l d c a r d S o c k a d d r
|
|
|
|
This routing returns a wilcard socket address for the
|
|
sockets DLL to use.
|
|
|
|
Arguments - context = Context ptr from WSAOpenSocket
|
|
addrp = Ptr to where to store the address
|
|
addrlen = Ptr to where to store length of address
|
|
|
|
Returns - NO_ERROR = Operation succeeded OK
|
|
Else = WinSock error code
|
|
*********************************************************************/
|
|
INT WSHGetWildcardSockaddr(PVOID context, PSOCKADDR addrp, PINT addrlen)
|
|
{
|
|
|
|
/**
|
|
Setup the address as the address family +
|
|
all 0's for the rest.
|
|
**/
|
|
|
|
memset(addrp, 0, sizeof(SOCKADDR));
|
|
addrp->sa_family = AF_NS;
|
|
|
|
/** Set the address length **/
|
|
|
|
*addrlen = sizeof(SOCKADDR);
|
|
|
|
/** Return OK **/
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
/*page***************************************************************
|
|
i s _ t r i p l e _ i n _ l i s t
|
|
|
|
Check to see if the given triple is in the given
|
|
triple list.
|
|
|
|
Arguments - tlist = Ptr to the triple list
|
|
tlen = Num entries in the triple list
|
|
addrfam = Address family to look for
|
|
socktype = Socket Type to look for
|
|
pcol = Protocol to look for
|
|
|
|
Returns - TRUE = Yes
|
|
FALSE = No
|
|
*********************************************************************/
|
|
BOOLEAN is_triple_in_list(PMAPPING_TRIPLE tlist, ULONG tlen,
|
|
INT addrfam, INT socktype, INT pcol)
|
|
{
|
|
ULONG i;
|
|
|
|
/**
|
|
Go thru the list and search to see if we can
|
|
find the given triple in the list.
|
|
**/
|
|
|
|
for (i = 0 ; i < tlen ; i++,tlist++) {
|
|
|
|
/** If it matches - return OK **/
|
|
|
|
if ((addrfam == tlist->triple_addrfam) &&
|
|
(socktype == tlist->triple_socktype) &&
|
|
(pcol == tlist->triple_protocol))
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/** Not Found **/
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/*page***************************************************************
|
|
W S H E n u m P r o t o c o l s
|
|
|
|
Enumerates IPX/SPX protocols.
|
|
|
|
Returns - NO_ERROR or an error code.
|
|
*********************************************************************/
|
|
INT
|
|
WSHEnumProtocols (
|
|
IN LPINT lpiProtocols,
|
|
IN LPTSTR lpTransportKeyName,
|
|
IN OUT LPVOID lpProtocolBuffer,
|
|
IN OUT LPDWORD lpdwBufferLength
|
|
)
|
|
{
|
|
DWORD bytesRequired;
|
|
PPROTOCOL_INFOW protocolInfo;
|
|
BOOL useSpx = FALSE;
|
|
BOOL useSpx2 = FALSE;
|
|
BOOL useIpx = FALSE;
|
|
BOOL spxString;
|
|
DWORD i;
|
|
PWCHAR namePtr;
|
|
INT entriesReturned = 0;
|
|
|
|
//
|
|
// Determine whether we should return information for IPX or SPX.
|
|
//
|
|
|
|
if ( _wcsicmp( L"NwlnkIpx", (LPWSTR)lpTransportKeyName ) == 0 ) {
|
|
spxString = FALSE;
|
|
} else {
|
|
spxString = TRUE;
|
|
}
|
|
|
|
//
|
|
// Make sure that the caller cares about SPX, SPX2, and/or IPX.
|
|
//
|
|
|
|
if ( ARGUMENT_PRESENT( lpiProtocols ) ) {
|
|
|
|
for ( i = 0; lpiProtocols[i] != 0; i++ ) {
|
|
if ( lpiProtocols[i] == NSPROTO_SPX && spxString ) {
|
|
useSpx = TRUE;
|
|
}
|
|
if ( lpiProtocols[i] == NSPROTO_SPXII && spxString ) {
|
|
useSpx2 = TRUE;
|
|
}
|
|
if ( lpiProtocols[i] == NSPROTO_IPX && !spxString ) {
|
|
useIpx = TRUE;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
useSpx = FALSE;
|
|
useSpx2 = spxString;
|
|
useIpx = !spxString;
|
|
}
|
|
|
|
if ( !useSpx && !useSpx2 && !useIpx ) {
|
|
*lpdwBufferLength = 0;
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Make sure that the caller has specified a sufficiently large
|
|
// buffer.
|
|
//
|
|
|
|
bytesRequired = (sizeof(PROTOCOL_INFO) * 3) +
|
|
( (wcslen( SPX_NAME ) + 1) * sizeof(WCHAR)) +
|
|
( (wcslen( SPX2_NAME ) + 1) * sizeof(WCHAR)) +
|
|
( (wcslen( IPX_NAME ) + 1) * sizeof(WCHAR));
|
|
|
|
if ( bytesRequired > *lpdwBufferLength ) {
|
|
*lpdwBufferLength = bytesRequired;
|
|
return -1;
|
|
}
|
|
|
|
//
|
|
// Initialize local variables.
|
|
//
|
|
|
|
protocolInfo = lpProtocolBuffer;
|
|
namePtr = (PWCHAR)( (PCHAR)lpProtocolBuffer + *lpdwBufferLength );
|
|
|
|
//
|
|
// Fill in SPX info, if requested.
|
|
//
|
|
|
|
if ( useSpx ) {
|
|
|
|
entriesReturned += 1;
|
|
|
|
protocolInfo->dwServiceFlags = XP_GUARANTEED_DELIVERY |
|
|
XP_MESSAGE_ORIENTED |
|
|
XP_PSEUDO_STREAM |
|
|
XP_GUARANTEED_ORDER |
|
|
XP_FRAGMENTATION;
|
|
protocolInfo->iAddressFamily = AF_IPX;
|
|
protocolInfo->iMaxSockAddr = 0x10;
|
|
protocolInfo->iMinSockAddr = 0xE;
|
|
protocolInfo->iSocketType = SOCK_SEQPACKET;
|
|
protocolInfo->iProtocol = NSPROTO_SPX;
|
|
protocolInfo->dwMessageSize = 0xFFFFFFFF;
|
|
|
|
namePtr = namePtr - (wcslen( SPX_NAME) + 1);
|
|
protocolInfo->lpProtocol = namePtr;
|
|
wcscpy( protocolInfo->lpProtocol, SPX_NAME );
|
|
|
|
protocolInfo += 1;
|
|
}
|
|
|
|
//
|
|
// Fill in SPX II info, if requested.
|
|
//
|
|
|
|
if ( useSpx2 ) {
|
|
|
|
entriesReturned += 1;
|
|
|
|
protocolInfo->dwServiceFlags = XP_GUARANTEED_DELIVERY |
|
|
XP_MESSAGE_ORIENTED |
|
|
XP_PSEUDO_STREAM |
|
|
XP_GRACEFUL_CLOSE |
|
|
XP_GUARANTEED_ORDER |
|
|
XP_FRAGMENTATION;
|
|
protocolInfo->iAddressFamily = AF_IPX;
|
|
protocolInfo->iMaxSockAddr = 0x10;
|
|
protocolInfo->iMinSockAddr = 0xE;
|
|
protocolInfo->iSocketType = SOCK_SEQPACKET;
|
|
protocolInfo->iProtocol = NSPROTO_SPXII;
|
|
protocolInfo->dwMessageSize = 0xFFFFFFFF;
|
|
|
|
namePtr = namePtr - (wcslen( SPX2_NAME) + 1);
|
|
protocolInfo->lpProtocol = namePtr;
|
|
wcscpy( protocolInfo->lpProtocol, SPX2_NAME );
|
|
|
|
protocolInfo += 1;
|
|
}
|
|
|
|
//
|
|
// Fill in IPX info, if requested.
|
|
//
|
|
|
|
if ( useIpx ) {
|
|
|
|
entriesReturned += 1;
|
|
|
|
protocolInfo->dwServiceFlags = XP_CONNECTIONLESS |
|
|
XP_MESSAGE_ORIENTED |
|
|
XP_SUPPORTS_BROADCAST |
|
|
XP_SUPPORTS_MULTICAST |
|
|
XP_FRAGMENTATION;
|
|
protocolInfo->iAddressFamily = AF_IPX;
|
|
protocolInfo->iMaxSockAddr = 0x10;
|
|
protocolInfo->iMinSockAddr = 0xE;
|
|
protocolInfo->iSocketType = SOCK_DGRAM;
|
|
protocolInfo->iProtocol = NSPROTO_IPX;
|
|
protocolInfo->dwMessageSize = 576;
|
|
|
|
namePtr = namePtr - (wcslen( IPX_NAME) + 1);
|
|
protocolInfo->lpProtocol = namePtr;
|
|
wcscpy( protocolInfo->lpProtocol, IPX_NAME );
|
|
}
|
|
|
|
*lpdwBufferLength = bytesRequired;
|
|
|
|
return entriesReturned;
|
|
|
|
} // WSHEnumProtocols
|
|
|
|
|
|
#define _IPX_CONTROL_CODE(request,method) \
|
|
CTL_CODE(FILE_DEVICE_TRANSPORT, request, method, FILE_ANY_ACCESS)
|
|
#define IOCTL_IPX_LOAD_SPX _IPX_CONTROL_CODE( 0x5678, METHOD_BUFFERED )
|
|
|
|
DWORD
|
|
WshLoadSpx(
|
|
VOID
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Starts the nwlnkspx.sys driver by submitting a special ioctl
|
|
to ipx, which calls ZwLoadDriver() for us.
|
|
|
|
Arguments:
|
|
|
|
none
|
|
|
|
Returns:
|
|
|
|
Error return from the load operation.
|
|
|
|
++*/
|
|
{
|
|
DWORD err = NO_ERROR;
|
|
HANDLE FileHandle;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
UNICODE_STRING FileString;
|
|
WCHAR FileName[] = L"\\Device\\NwlnkIpx";
|
|
NTSTATUS Status;
|
|
|
|
RtlInitUnicodeString (&FileString, FileName);
|
|
|
|
InitializeObjectAttributes(
|
|
&ObjectAttributes,
|
|
&FileString,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
Status = NtOpenFile(
|
|
&FileHandle,
|
|
SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE,
|
|
FILE_SYNCHRONOUS_IO_ALERT);
|
|
|
|
if (!NT_SUCCESS(Status)) {
|
|
|
|
err = ERROR_FILE_NOT_FOUND;
|
|
|
|
} else {
|
|
|
|
Status = NtDeviceIoControlFile(
|
|
FileHandle,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&IoStatusBlock,
|
|
IOCTL_IPX_LOAD_SPX,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
0);
|
|
|
|
if (Status == STATUS_IMAGE_ALREADY_LOADED) {
|
|
|
|
err = ERROR_SERVICE_ALREADY_RUNNING;
|
|
|
|
//
|
|
// #36451
|
|
// If the service controller loads SPX ("net start nwlnkspx", or due to dependency of RPC on SPX)
|
|
// then we get this error the first time too. Keep a note of that.
|
|
//
|
|
// BUGBUG: we still leak a handle per process since the handle to the driver is actually created
|
|
// in the system process' context. The ideal way to fix this should be to have IPX associate the
|
|
// handle with the current process (so handle is destroyed when the process dies) or to have the
|
|
// dll tell IPX to close the handle it opened earlier.
|
|
//
|
|
SpxLoaded = TRUE;
|
|
|
|
} else if (!NT_SUCCESS(Status)) {
|
|
|
|
err = ERROR_IO_DEVICE;
|
|
|
|
} else {
|
|
SpxLoaded = TRUE;
|
|
}
|
|
|
|
NtClose (FileHandle);
|
|
|
|
}
|
|
|
|
return(err);
|
|
}
|
|
|
|
/*page***************************************************************
|
|
W S H G e t P r o v i d e r G u i d
|
|
|
|
Queries the GUID identifier for this protocol.
|
|
|
|
Returns - NO_ERROR or an error code.
|
|
*********************************************************************/
|
|
INT
|
|
WINAPI
|
|
WSHGetProviderGuid (
|
|
IN LPWSTR ProviderName,
|
|
OUT LPGUID ProviderGuid
|
|
)
|
|
{
|
|
|
|
if( ProviderName == NULL ||
|
|
ProviderGuid == NULL ) {
|
|
|
|
return WSAEFAULT;
|
|
|
|
}
|
|
|
|
if( _wcsicmp( ProviderName, L"NwlnkIpx" ) == 0 ) {
|
|
|
|
RtlCopyMemory(
|
|
ProviderGuid,
|
|
&IpxProviderGuid,
|
|
sizeof(GUID)
|
|
);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
if( _wcsicmp( ProviderName, L"NwlnkSpx" ) == 0 ) {
|
|
|
|
RtlCopyMemory(
|
|
ProviderGuid,
|
|
&SpxProviderGuid,
|
|
sizeof(GUID)
|
|
);
|
|
|
|
return NO_ERROR;
|
|
|
|
}
|
|
|
|
return WSAEINVAL;
|
|
|
|
} // WSHGetProviderGuid
|
|
|