424 lines
16 KiB
C
424 lines
16 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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#include "config.h"
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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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#include "iphlpapi.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winsock);
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/* internal remapper function for the IP_ constants */
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static INT _remap_optname(INT level, INT optname)
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{
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TRACE("level=%d, optname=%d\n", level, optname);
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if (level == IPPROTO_IP) {
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switch (optname) { /***** from value *****/
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case 2: return 9; /* IP_MULTICAST_IF */
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case 3: return 10; /* IP_MULTICAST_TTL */
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case 4: return 11; /* IP_MULTICAST_LOOP */
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case 5: return 12; /* IP_ADD_MEMBERSHIP */
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case 6: return 13; /* IP_DROP_MEMBERSHIP */
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case 7: return 4; /* IP_TTL */
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case 8: return 3; /* IP_TOS */
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case 9: return 14; /* IP_DONTFRAGMENT */
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default: FIXME("Unknown optname %d, can't remap!\n", optname); return optname;
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}
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} else {
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/* don't need to do anything */
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return optname;
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}
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}
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/***********************************************************************
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* setsockopt (WSOCK32.21)
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*
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* We have these forwarders because, for reasons unknown to us mere mortals,
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* the values of the IP_ constants changed between winsock.h and winsock2.h.
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* So, we need to remap them here.
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*/
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INT WINAPI WS1_setsockopt(SOCKET s, INT level, INT optname, char *optval, INT optlen)
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{
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return setsockopt(s, level, _remap_optname(level, optname), optval, optlen);
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}
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/***********************************************************************
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* getsockopt (WSOCK32.7)
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*/
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INT WINAPI WS1_getsockopt(SOCKET s, INT level, INT optname, char *optval, INT *optlen)
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{
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return getsockopt(s, level, _remap_optname(level, optname), optval, optlen);
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}
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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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DWORD numInt, i, ipAddrTableSize;
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PMIB_IPADDRTABLE table;
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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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GetNumberOfInterfaces(&numInt);
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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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/* expect a 1:1 correspondence between interfaces and IP
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addresses, so use the cheaper (less memory allocated)
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GetIpAddrTable rather than GetIfTable */
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ipAddrTableSize = 0;
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GetIpAddrTable(NULL, &ipAddrTableSize, FALSE);
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table = (PMIB_IPADDRTABLE)calloc(1, ipAddrTableSize);
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if (!table) return -1; /* FIXME: better error code */
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GetIpAddrTable(table, &ipAddrTableSize, FALSE);
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/* 0 it out first */
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memset(baseptr, 0, sizeof(TDIEntityID)*(table->dwNumEntries*2));
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for (i=0; i<table->dwNumEntries; 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 = table->table[i].dwIndex; baseptr++;
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baseptr->tei_entity = IF_ENTITY; baseptr->tei_instance = table->table[i].dwIndex; baseptr++;
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}
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(TDIEntityID)*(table->dwNumEntries*2);
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free(table);
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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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MIB_IFROW row;
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DWORD index = pcommand->toi_entity.tei_instance, ret;
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DWORD size = sizeof(row) - sizeof(row.wszName) -
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sizeof(row.bDescr);
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if (*pcbResponseInfoLen < size)
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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row.dwIndex = index;
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ret = GetIfEntry(&row);
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if (ret != NO_ERROR)
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{
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ERR ("Error retrieving data for interface index %lu\n", index);
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return -1; /* FIXME: better error code */
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}
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size = sizeof(row) - sizeof(row.wszName) -
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sizeof(row.bDescr) + row.dwDescrLen;
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if (*pcbResponseInfoLen < size)
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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memcpy(pResponseInfo, &row.dwIndex, size);
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*pcbResponseInfoLen = size;
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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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/* This case is used to obtain general statistics about the
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network */
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if (*pcbResponseInfoLen < sizeof(MIB_IPSTATS))
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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GetIpStatistics((PMIB_IPSTATS)pResponseInfo);
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(MIB_IPSTATS);
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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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DWORD index = pcommand->toi_entity.tei_instance;
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PMIB_IPADDRROW baseIPInfo = (PMIB_IPADDRROW) pResponseInfo;
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PMIB_IPADDRTABLE table;
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DWORD tableSize, i;
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if (*pcbResponseInfoLen < sizeof(MIB_IPADDRROW))
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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/* overkill, get entire table, because there isn't an
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exported function that gets just one entry, and don't
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necessarily want our own private export. */
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tableSize = 0;
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GetIpAddrTable(NULL, &tableSize, FALSE);
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table = (PMIB_IPADDRTABLE)calloc(1, tableSize);
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if (!table) return -1; /* FIXME: better error code */
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GetIpAddrTable(table, &tableSize, FALSE);
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for (i = 0; i < table->dwNumEntries; i++)
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{
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if (table->table[i].dwIndex == index)
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{
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memcpy(baseIPInfo, &table->table[i],
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sizeof(MIB_IPADDRROW));
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break;
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}
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}
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free(table);
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/************************************************************************/
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/* Calculate size of out buffer */
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*pcbResponseInfoLen = sizeof(MIB_IPADDRROW);
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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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DWORD routeTableSize, numRoutes, ndx;
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PMIB_IPFORWARDTABLE table;
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IPRouteEntry *winRouteTable = (IPRouteEntry *) pResponseInfo;
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GetIpForwardTable(NULL, &routeTableSize, FALSE);
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numRoutes = min(routeTableSize - sizeof(MIB_IPFORWARDTABLE), 0)
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/ sizeof(MIB_IPFORWARDROW) + 1;
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if (*pcbResponseInfoLen < sizeof(IPRouteEntry) * numRoutes)
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{
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return (STATUS_BUFFER_TOO_SMALL);
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}
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table = (PMIB_IPFORWARDTABLE)calloc(1, routeTableSize);
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if (!table) return -1; /* FIXME: better return value */
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GetIpForwardTable(table, &routeTableSize, FALSE);
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memset(pResponseInfo, 0, sizeof(IPRouteEntry) * numRoutes);
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for (ndx = 0; ndx < table->dwNumEntries; ndx++)
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{
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winRouteTable->ire_addr =
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table->table[ndx].dwForwardDest;
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winRouteTable->ire_index =
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table->table[ndx].dwForwardIfIndex;
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winRouteTable->ire_metric =
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table->table[ndx].dwForwardMetric1;
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/* winRouteTable->ire_option4 =
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winRouteTable->ire_option5 =
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winRouteTable->ire_option6 = */
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winRouteTable->ire_gw = table->table[ndx].dwForwardNextHop;
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/* winRouteTable->ire_option8 =
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winRouteTable->ire_option9 =
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winRouteTable->ire_option10 = */
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winRouteTable->ire_mask = table->table[ndx].dwForwardMask;
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/* winRouteTable->ire_option12 = */
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winRouteTable++;
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}
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/* calculate the length of the data in the output buffer */
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*pcbResponseInfoLen = sizeof(IPRouteEntry) *
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table->dwNumEntries;
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free(table);
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break;
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}
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default:
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{
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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",
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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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return (WSAEOPNOTSUPP);
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}
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}
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break;
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}
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case WSCNTL_TCPIP_ICMP_ECHO:
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{
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unsigned int addr = *(unsigned int*)pRequestInfo;
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#if 0
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int timeout= *(unsigned int*)(inbuf+4);
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short x1 = *(unsigned short*)(inbuf+8);
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short sendbufsize = *(unsigned short*)(inbuf+10);
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char x2 = *(unsigned char*)(inbuf+12);
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char ttl = *(unsigned char*)(inbuf+13);
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char service = *(unsigned char*)(inbuf+14);
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char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
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#endif
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FIXME("(ICMP_ECHO) to 0x%08x stub \n", addr);
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break;
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}
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default:
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{
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FIXME("Protocoll Not Supported -> protocoll=0x%lx, action=0x%lx, Request=%p, RequestLen=%p, Response=%p, ResponseLen=%p\n",
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protocoll, action, pRequestInfo, pcbRequestInfoLen, pResponseInfo, pcbResponseInfoLen);
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return (WSAEOPNOTSUPP);
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}
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}
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return (WSCTL_SUCCESS);
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}
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/***********************************************************************
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* WSARecvEx (WSOCK32.1107)
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*
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* WSARecvEx is a Microsoft specific extension to winsock that is identical to recv
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* except that has an in/out argument call flags that has the value MSG_PARTIAL ored
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* into the flags parameter when a partial packet is read. This only applies to
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* sockets using the datagram protocol. This method does not seem to be implemented
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* correctly by microsoft as the winsock implementation does not set the MSG_PARTIAL
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* flag when a fragmented packet arrives.
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*/
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INT WINAPI WSARecvEx(SOCKET s, char *buf, INT len, INT *flags)
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{
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FIXME("(WSARecvEx) partial packet return value not set \n");
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return recv(s, buf, len, *flags);
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}
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/***********************************************************************
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* s_perror (WSOCK32.1108)
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*/
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void WINAPI s_perror(LPCSTR message)
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{
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FIXME("(%s): stub\n",message);
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return;
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}
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