997 lines
32 KiB
C
997 lines
32 KiB
C
/*
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* WSOCK32 specific functions
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*
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* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* FIXME: This hack is fixing a problem in WsControl. When we call socket(),
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* it will call into ws2_32's WSOCK32_socket (because of the redirection in
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* our own .spec file).
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* The problem is that socket() is predefined in a linux system header that
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* we are including, which is different from the WINE definition.
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* (cdecl vs. stdapi). The result is stack corruption.
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* Furthermore WsControl uses Unix macros and types. This forces us to include
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* the Unix headers which then conflict with the winsock headers. This forces
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* us to use USE_WS_PREFIX but then ioctlsocket is called WS_ioctlsocket,
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* which causes link problems. The correct solution is to implement
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* WsControl using calls to WSAIoctl. Then we should no longer need to use the
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* Unix headers. This would also have the advantage of reducing code
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* duplication.
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* Until that happens we need this ugly hack.
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*/
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#define USE_WS_PREFIX
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#define socket linux_socket
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#define recv linux_recv
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/* */
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#include "config.h"
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_SYS_SOCKIO_H
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# include <sys/sockio.h>
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#endif
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#ifdef HAVE_NET_IF_H
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# include <net/if.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "wine/debug.h"
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#include "winsock2.h"
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#include "winnt.h"
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#include "wscontrol.h"
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/* FIXME: The rest of the socket() cdecl<->stdapi stack corruption problem
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* discussed above.
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*/
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#undef socket
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#undef recv
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extern SOCKET WINAPI socket(INT af, INT type, INT protocol);
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extern SOCKET WINAPI recv(SOCKET,char*,int,int);
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/* Plus some missing prototypes, due to the WS_ prefixing */
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extern int WINAPI closesocket(SOCKET);
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extern int WINAPI ioctlsocket(SOCKET,long,u_long*);
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/* */
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WINE_DEFAULT_DEBUG_CHANNEL(winsock);
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/***********************************************************************
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* WsControl (WSOCK32.1001)
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*
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* WsControl seems to be an undocumented Win95 function. A lot of
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* discussion about WsControl can be found on the net, e.g.
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* Subject: Re: WSOCK32.DLL WsControl Exported Function
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* From: "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
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* Date: 1997/08/17
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*
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* WSCNTL_TCPIP_QUERY_INFO option is partially implemeted based
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* on observing the behaviour of WsControl with an app in
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* Windows 98. It is not fully implemented, and there could
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* be (are?) errors due to incorrect assumptions made.
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*
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*
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* WsControl returns WSCTL_SUCCESS on success.
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* STATUS_BUFFER_TOO_SMALL is returned if the output buffer length
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* (*pcbResponseInfoLen) is too small, otherwise errors return -1.
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*
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* It doesn't seem to generate errors that can be retrieved by
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* WSAGetLastError().
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*
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*/
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DWORD WINAPI WsControl(DWORD protocoll,
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DWORD action,
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LPVOID pRequestInfo,
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LPDWORD pcbRequestInfoLen,
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LPVOID pResponseInfo,
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LPDWORD pcbResponseInfoLen)
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{
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/* Get the command structure into a pointer we can use,
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rather than void */
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TDIObjectID *pcommand = (TDIObjectID *)pRequestInfo;
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TRACE (" WsControl TOI_ID=>0x%lx<, {TEI_ENTITY=0x%lx, TEI_INSTANCE=0x%lx}, TOI_CLASS=0x%lx, TOI_TYPE=0x%lx\n",
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pcommand->toi_id, pcommand->toi_entity.tei_entity, pcommand->toi_entity.tei_instance,
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pcommand->toi_class, pcommand->toi_type );
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switch (action)
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{
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case WSCNTL_TCPIP_QUERY_INFO:
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{
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switch (pcommand->toi_id)
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{
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/*
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ENTITY_LIST_ID seems to get number of adapters in the system.
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(almost like an index to be used when calling other WsControl options)
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*/
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case ENTITY_LIST_ID:
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{
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TDIEntityID *baseptr = pResponseInfo;
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int numInt = 0, i;
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if (pcommand->toi_class != INFO_CLASS_GENERIC &&
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pcommand->toi_type != INFO_TYPE_PROVIDER)
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{
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FIXME ("Unexpected Option for ENTITY_LIST_ID request -> toi_class=0x%lx, toi_type=0x%lx\n",
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pcommand->toi_class, pcommand->toi_type);
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return (WSAEOPNOTSUPP);
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}
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numInt = WSCNTL_GetEntryCount(WSCNTL_COUNT_INTERFACES);
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if (numInt < 0)
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{
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ERR ("Unable to open /proc filesystem to determine number of network interfaces!\n");
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return (-1);
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}
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if (*pcbResponseInfoLen < sizeof(TDIEntityID)*(numInt*2) )
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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/* 0 it out first */
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memset(baseptr, 0, sizeof(TDIEntityID)*(numInt*2));
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for (i=0; i<numInt; i++)
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{
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/* tei_instance is an network interface identifier.
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I'm not quite sure what the difference is between tei_entity values of
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CL_NL_ENTITY and IF_ENTITY */
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baseptr->tei_entity = CL_NL_ENTITY; baseptr->tei_instance = i; baseptr++;
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baseptr->tei_entity = IF_ENTITY; baseptr->tei_instance = i; baseptr++;
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}
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(TDIEntityID)*(numInt*2);
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break;
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}
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/* ENTITY_TYPE_ID is used to obtain simple information about a
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network card, such as MAC Address, description, interface type,
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number of network addresses, etc. */
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case ENTITY_TYPE_ID: /* ALSO: IP_MIB_STATS_ID */
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{
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if (pcommand->toi_class == INFO_CLASS_GENERIC && pcommand->toi_type == INFO_TYPE_PROVIDER)
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{
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if (pcommand->toi_entity.tei_entity == IF_ENTITY)
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{
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* ((ULONG *)pResponseInfo) = IF_MIB;
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof (ULONG);
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}
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else if (pcommand->toi_entity.tei_entity == CL_NL_ENTITY)
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{
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* ((ULONG *)pResponseInfo) = CL_NL_IP;
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof (ULONG);
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}
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}
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else if (pcommand->toi_class == INFO_CLASS_PROTOCOL &&
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pcommand->toi_type == INFO_TYPE_PROVIDER)
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{
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if (pcommand->toi_entity.tei_entity == IF_ENTITY)
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{
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/* In this case, we are requesting specific information about a
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a particular network adapter. (MAC Address, speed, data transmitted/received,
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etc.)
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*/
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IFEntry *IntInfo = (IFEntry *) pResponseInfo;
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char ifName[512];
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#if defined(SIOCGIFHWADDR) || defined(SIOCGENADDR)
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struct ifreq ifInfo;
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#endif
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SOCKET sock;
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if (!WSCNTL_GetInterfaceName(pcommand->toi_entity.tei_instance, ifName))
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{
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ERR ("Unable to parse /proc filesystem!\n");
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return (-1);
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}
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/* Get a socket so that we can use ioctl */
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if ( (sock = socket(AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET)
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{
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ERR ("Error creating socket!\n");
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return (-1);
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}
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/* 0 out return structure first */
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memset (IntInfo, 0, sizeof(IFEntry));
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/* Interface ID */
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IntInfo->if_index = pcommand->toi_entity.tei_instance;
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/* MAC Address - Let's try to do this in a cross-platform way... */
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#if defined(SIOCGIFHWADDR) /* Linux */
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strcpy(ifInfo.ifr_name, ifName);
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if (ioctlsocket(sock, SIOCGIFHWADDR, (ULONG*)&ifInfo) < 0)
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{
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ERR ("Error obtaining MAC Address!\n");
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closesocket(sock);
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return (-1);
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}
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else
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{
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/* FIXME: Is it correct to assume size of 6? */
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memcpy(IntInfo->if_physaddr, ifInfo.ifr_hwaddr.sa_data, 6);
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IntInfo->if_physaddrlen=6;
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}
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#elif defined(SIOCGENADDR) /* Solaris */
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if (ioctlsocket(sock, SIOCGENADDR, (ULONG*)&ifInfo) < 0)
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{
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ERR ("Error obtaining MAC Address!\n");
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closesocket(sock);
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return (-1);
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}
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else
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{
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/* FIXME: Is it correct to assume size of 6? */
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memcpy(IntInfo->if_physaddr, ifInfo.ifr_enaddr, 6);
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IntInfo->if_physaddrlen=6;
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}
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#else
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memset (IntInfo->if_physaddr, 0, 6);
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ERR ("Unable to determine MAC Address on your platform!\n");
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#endif
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/* Interface name and length */
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strcpy (IntInfo->if_descr, ifName);
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IntInfo->if_descrlen= strlen (IntInfo->if_descr);
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/* Obtain bytes transmitted/received for interface */
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if ( (WSCNTL_GetTransRecvStat(pcommand->toi_entity.tei_instance,
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&IntInfo->if_inoctets, &IntInfo->if_outoctets)) < 0)
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{
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ERR ("Error obtaining transmit/receive stats for the network interface!\n");
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closesocket(sock);
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return (-1);
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}
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/* FIXME: How should the below be properly calculated? ******************/
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IntInfo->if_type = 0x6; /* Ethernet (?) */
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IntInfo->if_speed = 1000000; /* Speed of interface (bits per second?) */
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/************************************************************************/
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closesocket(sock);
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*pcbResponseInfoLen = sizeof (IFEntry) + IntInfo->if_descrlen;
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}
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else if (pcommand->toi_entity.tei_entity == CL_NL_ENTITY)
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{
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IPSNMPInfo *infoStruc = (IPSNMPInfo *) pResponseInfo;
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int numInt, numRoutes;
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/* This case is used to obtain general statistics about the
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network */
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if (*pcbResponseInfoLen < sizeof(IPSNMPInfo) )
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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else
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{
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/* 0 it out first */
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memset(infoStruc, 0, sizeof(IPSNMPInfo));
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/* Get the number of interfaces */
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numInt = WSCNTL_GetEntryCount(WSCNTL_COUNT_INTERFACES);
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if (numInt < 0)
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{
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ERR ("Unable to open /proc filesystem to determine number of network interfaces!\n");
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return (-1);
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}
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/* Get the number of routes */
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numRoutes = WSCNTL_GetEntryCount(WSCNTL_COUNT_ROUTES);
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if (numRoutes < 0)
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{
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ERR ("Unable to open /proc filesystem to determine number of network routes!\n");
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return (-1);
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}
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infoStruc->ipsi_numif = numInt; /* # of interfaces */
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infoStruc->ipsi_numaddr = numInt; /* # of addresses */
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infoStruc->ipsi_numroutes = numRoutes; /* # of routes */
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/* FIXME: How should the below be properly calculated? ******************/
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infoStruc->ipsi_forwarding = 0x0;
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infoStruc->ipsi_defaultttl = 0x0;
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infoStruc->ipsi_inreceives = 0x0;
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infoStruc->ipsi_inhdrerrors = 0x0;
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infoStruc->ipsi_inaddrerrors = 0x0;
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infoStruc->ipsi_forwdatagrams = 0x0;
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infoStruc->ipsi_inunknownprotos = 0x0;
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infoStruc->ipsi_indiscards = 0x0;
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infoStruc->ipsi_indelivers = 0x0;
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infoStruc->ipsi_outrequests = 0x0;
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infoStruc->ipsi_routingdiscards = 0x0;
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infoStruc->ipsi_outdiscards = 0x0;
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infoStruc->ipsi_outnoroutes = 0x0;
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infoStruc->ipsi_reasmtimeout = 0x0;
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infoStruc->ipsi_reasmreqds = 0x0;
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infoStruc->ipsi_reasmoks = 0x0;
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infoStruc->ipsi_reasmfails = 0x0;
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infoStruc->ipsi_fragoks = 0x0;
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infoStruc->ipsi_fragfails = 0x0;
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infoStruc->ipsi_fragcreates = 0x0;
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/************************************************************************/
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(IPSNMPInfo);
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}
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}
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}
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else
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{
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FIXME ("Unexpected Option for ENTITY_TYPE_ID request -> toi_class=0x%lx, toi_type=0x%lx\n",
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pcommand->toi_class, pcommand->toi_type);
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return (WSAEOPNOTSUPP);
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}
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break;
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}
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/* IP_MIB_ADDRTABLE_ENTRY_ID is used to obtain more detailed information about a
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particular network adapter */
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case IP_MIB_ADDRTABLE_ENTRY_ID:
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{
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IPAddrEntry *baseIPInfo = (IPAddrEntry *) pResponseInfo;
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char ifName[IFNAMSIZ+1];
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struct ifreq ifInfo;
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SOCKET sock;
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if (*pcbResponseInfoLen < sizeof(IPAddrEntry))
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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if (!WSCNTL_GetInterfaceName(pcommand->toi_entity.tei_instance, ifName))
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{
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ERR ("Unable to parse /proc filesystem!\n");
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return (-1);
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}
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/* Get a socket so we can use ioctl */
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if ( (sock = socket(AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET)
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{
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ERR ("Error creating socket!\n");
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return (-1);
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}
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/* 0 it out first */
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memset(baseIPInfo, 0, sizeof(IPAddrEntry) );
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/* Interface Id */
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baseIPInfo->iae_index = pcommand->toi_entity.tei_instance;
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/* IP Address */
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strcpy (ifInfo.ifr_name, ifName);
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ifInfo.ifr_addr.sa_family = AF_INET;
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if (ioctlsocket(sock, SIOCGIFADDR, (ULONG*)&ifInfo) < 0)
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{
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baseIPInfo->iae_addr = 0x0;
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}
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else
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{
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struct WS_sockaddr_in* ipTemp = (struct WS_sockaddr_in*)&ifInfo.ifr_addr;
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baseIPInfo->iae_addr = ipTemp->sin_addr.S_un.S_addr;
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}
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/* Broadcast Address */
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strcpy (ifInfo.ifr_name, ifName);
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if (ioctlsocket(sock, SIOCGIFBRDADDR, (ULONG *)&ifInfo) < 0)
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{
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baseIPInfo->iae_bcastaddr = 0x0;
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}
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else
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{
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struct WS_sockaddr_in* ipTemp = (struct WS_sockaddr_in*)&ifInfo.ifr_broadaddr;
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baseIPInfo->iae_bcastaddr = ipTemp->sin_addr.S_un.S_addr;
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}
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/* Subnet Mask */
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strcpy(ifInfo.ifr_name, ifName);
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if (ioctlsocket(sock, SIOCGIFNETMASK, (ULONG *)&ifInfo) < 0)
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{
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baseIPInfo->iae_mask = 0x0;
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}
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else
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{
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/* Trying to avoid some compile problems across platforms.
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(Linux, FreeBSD, Solaris...) */
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#ifndef ifr_netmask
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#ifndef ifr_addr
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baseIPInfo->iae_mask = 0;
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ERR ("Unable to determine Netmask on your platform!\n");
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#else
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struct WS_sockaddr_in* ipTemp = (struct WS_sockaddr_in*)&ifInfo.ifr_addr;
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baseIPInfo->iae_mask = ipTemp->sin_addr.S_un.S_addr;
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#endif
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#else
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struct WS_sockaddr_in* ipTemp = (struct WS_sockaddr_in*)&ifInfo.ifr_netmask;
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baseIPInfo->iae_mask = ipTemp->sin_addr.S_un.S_addr;
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#endif
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}
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/* FIXME: How should the below be properly calculated? ******************/
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baseIPInfo->iae_reasmsize = 0x0;
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baseIPInfo->iae_context = 0x0;
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baseIPInfo->iae_pad = 0x0;
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/************************************************************************/
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(IPAddrEntry);
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closesocket(sock);
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break;
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}
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/* This call returns the routing table.
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* No official documentation found, even the name of the command is unknown.
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* Work is based on
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* http://www.cyberport.com/~tangent/programming/winsock/articles/wscontrol.html
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* and testings done with winipcfg.exe, route.exe and ipconfig.exe.
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* pcommand->toi_entity.tei_instance seems to be the interface number
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* but route.exe outputs only the information for the last interface
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* if only the routes for the pcommand->toi_entity.tei_instance
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* interface are returned. */
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case IP_MIB_ROUTETABLE_ENTRY_ID: /* FIXME: not real name. Value is 0x101 */
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{
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int numRoutes, foundRoutes;
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wscntl_routeentry *routeTable, *routePtr; /* route table */
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IPRouteEntry *winRouteTable = (IPRouteEntry *) pResponseInfo;
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/* Get the number of routes */
|
|
numRoutes = WSCNTL_GetEntryCount(WSCNTL_COUNT_ROUTES);
|
|
if (numRoutes < 0)
|
|
{
|
|
ERR ("Unable to open /proc filesystem to determine number of network routes!\n");
|
|
return (-1);
|
|
}
|
|
|
|
if (*pcbResponseInfoLen < (sizeof(IPRouteEntry) * numRoutes))
|
|
{
|
|
return (STATUS_BUFFER_TOO_SMALL);
|
|
}
|
|
|
|
/* malloc space for the routeTable */
|
|
routeTable = (wscntl_routeentry *) malloc(sizeof(wscntl_routeentry) * numRoutes);
|
|
if (!routeTable)
|
|
{
|
|
ERR ("couldn't malloc space for routeTable!\n");
|
|
}
|
|
|
|
/* get the route table */
|
|
foundRoutes = WSCNTL_GetRouteTable(numRoutes, routeTable);
|
|
if (foundRoutes < 0)
|
|
{
|
|
ERR ("Unable to open /proc filesystem to parse the route entries!\n");
|
|
free(routeTable);
|
|
return -1;
|
|
}
|
|
routePtr = routeTable;
|
|
|
|
/* first 0 out the output buffer */
|
|
memset(winRouteTable, 0, *pcbResponseInfoLen);
|
|
|
|
/* calculate the length of the data in the output buffer */
|
|
*pcbResponseInfoLen = sizeof(IPRouteEntry) * foundRoutes;
|
|
|
|
for ( ; foundRoutes > 0; foundRoutes--)
|
|
{
|
|
winRouteTable->ire_addr = routePtr->wre_dest;
|
|
winRouteTable->ire_index = routePtr->wre_intf;
|
|
winRouteTable->ire_metric = routePtr->wre_metric;
|
|
/* winRouteTable->ire_option4 =
|
|
winRouteTable->ire_option5 =
|
|
winRouteTable->ire_option6 = */
|
|
winRouteTable->ire_gw = routePtr->wre_gw;
|
|
/* winRouteTable->ire_option8 =
|
|
winRouteTable->ire_option9 =
|
|
winRouteTable->ire_option10 = */
|
|
winRouteTable->ire_mask = routePtr->wre_mask;
|
|
/* winRouteTable->ire_option12 = */
|
|
|
|
winRouteTable++;
|
|
routePtr++;
|
|
}
|
|
|
|
free(routeTable);
|
|
break;
|
|
}
|
|
|
|
|
|
default:
|
|
{
|
|
FIXME ("Command ID Not Supported -> toi_id=0x%lx, toi_entity={tei_entity=0x%lx, tei_instance=0x%lx}, toi_class=0x%lx, toi_type=0x%lx\n",
|
|
pcommand->toi_id, pcommand->toi_entity.tei_entity, pcommand->toi_entity.tei_instance,
|
|
pcommand->toi_class, pcommand->toi_type);
|
|
|
|
return (WSAEOPNOTSUPP);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case WSCNTL_TCPIP_ICMP_ECHO:
|
|
{
|
|
unsigned int addr = *(unsigned int*)pRequestInfo;
|
|
#if 0
|
|
int timeout= *(unsigned int*)(inbuf+4);
|
|
short x1 = *(unsigned short*)(inbuf+8);
|
|
short sendbufsize = *(unsigned short*)(inbuf+10);
|
|
char x2 = *(unsigned char*)(inbuf+12);
|
|
char ttl = *(unsigned char*)(inbuf+13);
|
|
char service = *(unsigned char*)(inbuf+14);
|
|
char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
|
|
#endif
|
|
|
|
FIXME("(ICMP_ECHO) to 0x%08x stub \n", addr);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
FIXME("Protocoll Not Supported -> protocoll=0x%lx, action=0x%lx, Request=%p, RequestLen=%p, Response=%p, ResponseLen=%p\n",
|
|
protocoll, action, pRequestInfo, pcbRequestInfoLen, pResponseInfo, pcbResponseInfoLen);
|
|
|
|
return (WSAEOPNOTSUPP);
|
|
}
|
|
}
|
|
|
|
|
|
return (WSCTL_SUCCESS);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
Helper function for WsControl - Get count of the number of interfaces
|
|
or routes by parsing /proc filesystem.
|
|
*/
|
|
int WSCNTL_GetEntryCount(const int entrytype)
|
|
{
|
|
char *filename;
|
|
int fd;
|
|
char buf[512]; /* Size optimized for a typical workstation */
|
|
char *ptr;
|
|
int count;
|
|
int chrread;
|
|
|
|
|
|
switch (entrytype)
|
|
{
|
|
case WSCNTL_COUNT_INTERFACES:
|
|
{
|
|
filename = PROCFS_NETDEV_FILE;
|
|
count = -2; /* two haeder lines */
|
|
break;
|
|
};
|
|
|
|
case WSCNTL_COUNT_ROUTES:
|
|
{
|
|
filename = PROCFS_ROUTE_FILE;
|
|
count = -1; /* one haeder line */
|
|
break;
|
|
};
|
|
|
|
default:
|
|
{
|
|
return -1;
|
|
};
|
|
}
|
|
|
|
/* open /proc filesystem file */
|
|
fd = open(filename, O_RDONLY);
|
|
if (fd < 0) {
|
|
return -1;
|
|
}
|
|
|
|
/* read the file and count the EOL's */
|
|
while ((chrread = read(fd, buf, sizeof(buf))) != 0)
|
|
{
|
|
ptr = buf;
|
|
if (chrread < 0)
|
|
{
|
|
if (errno == EINTR)
|
|
{
|
|
continue; /* read interupted by a signal, try to read again */
|
|
}
|
|
else
|
|
{
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
}
|
|
while ((ptr = memchr(ptr, '\n', chrread - (int) (ptr - buf))) > 0)
|
|
{
|
|
count++;
|
|
ptr++;
|
|
}
|
|
}
|
|
|
|
close(fd);
|
|
return count;
|
|
}
|
|
|
|
|
|
/*
|
|
Helper function for WsControl - Get name of device from interface number
|
|
by parsing /proc filesystem.
|
|
*/
|
|
int WSCNTL_GetInterfaceName(int intNumber, char *intName)
|
|
{
|
|
FILE *procfs;
|
|
char buf[512]; /* Size doesn't matter, something big */
|
|
int i;
|
|
|
|
/* Open /proc filesystem file for network devices */
|
|
procfs = fopen(PROCFS_NETDEV_FILE, "r");
|
|
if (!procfs)
|
|
{
|
|
/* If we can't open the file, return an error */
|
|
return (-1);
|
|
}
|
|
|
|
/* Omit first two lines, they are only headers */
|
|
fgets(buf, sizeof(buf), procfs);
|
|
fgets(buf, sizeof(buf), procfs);
|
|
|
|
for (i=0; i<intNumber; i++)
|
|
{
|
|
/* Skip the lines that don't interest us. */
|
|
fgets(buf, sizeof(buf), procfs);
|
|
}
|
|
fgets(buf, sizeof(buf), procfs); /* This is the line we want */
|
|
|
|
|
|
/* Parse out the line, grabbing only the name of the device
|
|
to the intName variable
|
|
|
|
The Line comes in like this: (we only care about the device name)
|
|
lo: 21970 377 0 0 0 0 0 0 21970 377 0 0 0 0 0 0
|
|
*/
|
|
i=0;
|
|
while (isspace(buf[i])) /* Skip initial space(s) */
|
|
{
|
|
i++;
|
|
}
|
|
|
|
while (buf[i])
|
|
{
|
|
if (isspace(buf[i]))
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (buf[i] == ':') /* FIXME: Not sure if this block (alias detection) works properly */
|
|
{
|
|
/* This interface could be an alias... */
|
|
int hold = i;
|
|
char *dotname = intName;
|
|
*intName++ = buf[i++];
|
|
|
|
while (isdigit(buf[i]))
|
|
{
|
|
*intName++ = buf[i++];
|
|
}
|
|
|
|
if (buf[i] != ':')
|
|
{
|
|
/* ... It wasn't, so back up */
|
|
i = hold;
|
|
intName = dotname;
|
|
}
|
|
|
|
if (buf[i] == '\0')
|
|
{
|
|
fclose(procfs);
|
|
return(FALSE);
|
|
}
|
|
|
|
i++;
|
|
break;
|
|
}
|
|
|
|
*intName++ = buf[i++];
|
|
}
|
|
*intName++ = '\0';
|
|
|
|
fclose(procfs);
|
|
return(TRUE);
|
|
}
|
|
|
|
|
|
/*
|
|
Helper function for WsControl - This function returns the bytes (octets) transmitted
|
|
and received for the supplied interface number from the /proc fs.
|
|
*/
|
|
int WSCNTL_GetTransRecvStat(int intNumber, unsigned long *transBytes, unsigned long *recvBytes)
|
|
{
|
|
FILE *procfs;
|
|
char buf[512], result[512]; /* Size doesn't matter, something big */
|
|
int i, bufPos, resultPos;
|
|
|
|
/* Open /proc filesystem file for network devices */
|
|
procfs = fopen(PROCFS_NETDEV_FILE, "r");
|
|
if (!procfs)
|
|
{
|
|
/* If we can't open the file, return an error */
|
|
return (-1);
|
|
}
|
|
|
|
/* Omit first two lines, they are only headers */
|
|
fgets(buf, sizeof(buf), procfs);
|
|
fgets(buf, sizeof(buf), procfs);
|
|
|
|
for (i=0; i<intNumber; i++)
|
|
{
|
|
/* Skip the lines that don't interest us. */
|
|
fgets(buf, sizeof(buf), procfs);
|
|
}
|
|
fgets(buf, sizeof(buf), procfs); /* This is the line we want */
|
|
|
|
|
|
|
|
/* Parse out the line, grabbing the number of bytes transmitted
|
|
and received on the interface.
|
|
|
|
The Line comes in like this: (we care about columns 2 and 10)
|
|
lo: 21970 377 0 0 0 0 0 0 21970 377 0 0 0 0 0 0
|
|
*/
|
|
|
|
/* Start at character 0 in the buffer */
|
|
bufPos=0;
|
|
|
|
/* Skip initial space(s) */
|
|
while (isspace(buf[bufPos]))
|
|
bufPos++;
|
|
|
|
|
|
/* Skip the name and its trailing spaces (if any) */
|
|
while (buf[bufPos])
|
|
{
|
|
if (isspace(buf[bufPos]))
|
|
break;
|
|
|
|
if (buf[bufPos] == ':') /* Could be an alias */
|
|
{
|
|
int hold = bufPos;
|
|
|
|
while(isdigit (buf[bufPos]))
|
|
bufPos++;
|
|
if (buf[bufPos] != ':')
|
|
bufPos = hold;
|
|
if (buf[bufPos] == '\0')
|
|
{
|
|
fclose(procfs);
|
|
return(FALSE);
|
|
}
|
|
|
|
bufPos++;
|
|
break;
|
|
}
|
|
|
|
bufPos++;
|
|
}
|
|
while (isspace(buf[bufPos]))
|
|
bufPos++;
|
|
|
|
|
|
/* This column (#2) is the number of bytes received. */
|
|
resultPos = 0;
|
|
while (!isspace(buf[bufPos]))
|
|
{
|
|
result[resultPos] = buf[bufPos];
|
|
result[resultPos+1]='\0';
|
|
resultPos++; bufPos++;
|
|
}
|
|
*recvBytes = strtoul (result, NULL, 10); /* convert string to unsigned long, using base 10 */
|
|
|
|
|
|
/* Skip columns #3 to #9 (Don't need them) */
|
|
for (i=0; i<7; i++)
|
|
{
|
|
while (isspace(buf[bufPos]))
|
|
bufPos++;
|
|
while (!isspace(buf[bufPos]))
|
|
bufPos++;
|
|
}
|
|
|
|
|
|
/* This column (#10) is the number of bytes transmitted */
|
|
while (isspace(buf[bufPos]))
|
|
bufPos++;
|
|
|
|
resultPos = 0;
|
|
while (!isspace(buf[bufPos]))
|
|
{
|
|
result[resultPos] = buf[bufPos];
|
|
result[resultPos+1]='\0';
|
|
resultPos++; bufPos++;
|
|
}
|
|
*transBytes = strtoul (result, NULL, 10); /* convert string to unsigned long, using base 10 */
|
|
|
|
|
|
fclose(procfs);
|
|
return(TRUE);
|
|
}
|
|
|
|
|
|
/* Parse the procfs route file and put the datas into routeTable.
|
|
* Return value is the number of found routes */
|
|
int WSCNTL_GetRouteTable(int numRoutes, wscntl_routeentry *routeTable)
|
|
{
|
|
int nrIntf; /* total number of interfaces */
|
|
char buf[256]; /* temporary buffer */
|
|
char *ptr; /* pointer to temporary buffer */
|
|
FILE *file; /* file handle for procfs route file */
|
|
int foundRoutes = 0; /* number of found routes */
|
|
typedef struct interface_t {
|
|
char intfName[IFNAMSIZ+1]; /* the name of the interface */
|
|
int intfNameLen; /* length of interface name */
|
|
} interface_t;
|
|
interface_t *interface;
|
|
int intfNr; /* the interface number */
|
|
|
|
wscntl_routeentry *routePtr = routeTable;
|
|
|
|
/* get the number of interfaces */
|
|
nrIntf = WSCNTL_GetEntryCount(WSCNTL_COUNT_INTERFACES);
|
|
if (nrIntf < 0)
|
|
{
|
|
ERR ("Unable to open /proc filesystem to determine number of network interfaces!\n");
|
|
return (-1);
|
|
}
|
|
|
|
/* malloc space for the interface struct array */
|
|
interface = (interface_t *) malloc(sizeof(interface_t) * nrIntf);
|
|
if (!routeTable)
|
|
{
|
|
ERR ("couldn't malloc space for interface!\n");
|
|
}
|
|
|
|
for (intfNr = 0; intfNr < nrIntf; intfNr++) {
|
|
if (WSCNTL_GetInterfaceName(intfNr, interface[intfNr].intfName) < 0)
|
|
{
|
|
ERR ("Unable to open /proc filesystem to determine the name of network interfaces!\n");
|
|
free(interface);
|
|
return (-1);
|
|
}
|
|
interface[intfNr].intfNameLen = strlen(interface[intfNr].intfName);
|
|
}
|
|
|
|
/* Open /proc filesystem file for routes */
|
|
file = fopen(PROCFS_ROUTE_FILE, "r");
|
|
if (!file)
|
|
{
|
|
/* If we can't open the file, return an error */
|
|
free(interface);
|
|
return (-1);
|
|
}
|
|
|
|
/* skip the header line */
|
|
fgets(buf, sizeof(buf), file);
|
|
|
|
/* parse the rest of the file and put the matching entries into routeTable.
|
|
Format of procfs route entry:
|
|
Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
|
|
lo 0000007F 00000000 0001 0 0 0 000000FF 0 0 0
|
|
*/
|
|
while (fgets(buf, sizeof(buf), file)) {
|
|
intfNr = 0;
|
|
/* find the interface of the route */
|
|
while ((strncmp(buf, interface[intfNr].intfName, interface[intfNr].intfNameLen) != 0)
|
|
&& (intfNr < nrIntf))
|
|
{
|
|
intfNr++;
|
|
}
|
|
if (intfNr < nrIntf) {
|
|
foundRoutes++;
|
|
if (foundRoutes > numRoutes) {
|
|
/* output buffer is to small */
|
|
ERR("buffer to small to fit all routes found into it!\n");
|
|
free(interface);
|
|
fclose(file);
|
|
return -1;
|
|
}
|
|
ptr = buf;
|
|
ptr += interface[intfNr].intfNameLen;
|
|
routePtr->wre_intf = intfNr;
|
|
routePtr->wre_dest = strtoul(ptr, &ptr, 16); /* destination */
|
|
routePtr->wre_gw = strtoul(ptr, &ptr, 16); /* gateway */
|
|
strtoul(ptr, &ptr, 16); /* Flags; unused */
|
|
strtoul(ptr, &ptr, 16); /* RefCnt; unused */
|
|
strtoul(ptr, &ptr, 16); /* Use; unused */
|
|
routePtr->wre_metric = strtoul(ptr, &ptr, 16); /* metric */
|
|
routePtr->wre_mask = strtoul(ptr, &ptr, 16); /* mask */
|
|
/* strtoul(ptr, &ptr, 16); MTU; unused */
|
|
/* strtoul(ptr, &ptr, 16); Window; unused */
|
|
/* strtoul(ptr, &ptr, 16); IRTT; unused */
|
|
|
|
routePtr++;
|
|
}
|
|
else
|
|
{
|
|
/* this should never happen */
|
|
WARN("Skipping route with unknown interface\n");
|
|
}
|
|
}
|
|
|
|
free(interface);
|
|
fclose(file);
|
|
return foundRoutes;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* WSARecvEx (WSOCK32.1107)
|
|
*
|
|
* WSARecvEx is a Microsoft specific extension to winsock that is identical to recv
|
|
* except that has an in/out argument call flags that has the value MSG_PARTIAL ored
|
|
* into the flags parameter when a partial packet is read. This only applies to
|
|
* sockets using the datagram protocol. This method does not seem to be implemented
|
|
* correctly by microsoft as the winsock implementation does not set the MSG_PARTIAL
|
|
* flag when a fragmented packet arrives.
|
|
*/
|
|
INT WINAPI WSARecvEx(SOCKET s, char *buf, INT len, INT *flags)
|
|
{
|
|
FIXME("(WSARecvEx) partial packet return value not set \n");
|
|
return recv(s, buf, len, *flags);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* s_perror (WSOCK32.1108)
|
|
*/
|
|
void WINAPI s_perror(LPCSTR message)
|
|
{
|
|
FIXME("(%s): stub\n",message);
|
|
return;
|
|
}
|