Sweden-Number/dlls/wsock32/socket.c

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/*
* WSOCK32 specific functions
*
* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
* Copyright (C) 2003 Juan Lang.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "winsock2.h"
#include "winnt.h"
#include "wscontrol.h"
#include "iphlpapi.h"
WINE_DEFAULT_DEBUG_CHANNEL(winsock);
/* internal remapper function for the IP_ constants */
static INT _remap_optname(INT level, INT optname)
{
TRACE("level=%d, optname=%d\n", level, optname);
if (level == IPPROTO_IP) {
switch (optname) { /***** from value *****/
case 2: return 9; /* IP_MULTICAST_IF */
case 3: return 10; /* IP_MULTICAST_TTL */
case 4: return 11; /* IP_MULTICAST_LOOP */
case 5: return 12; /* IP_ADD_MEMBERSHIP */
case 6: return 13; /* IP_DROP_MEMBERSHIP */
case 7: return 4; /* IP_TTL */
case 8: return 3; /* IP_TOS */
case 9: return 14; /* IP_DONTFRAGMENT */
default: FIXME("Unknown optname %d, can't remap!\n", optname); return optname;
}
} else {
/* don't need to do anything */
return optname;
}
}
/***********************************************************************
* setsockopt (WSOCK32.21)
*
* We have these forwarders because, for reasons unknown to us mere mortals,
* the values of the IP_ constants changed between winsock.h and winsock2.h.
* So, we need to remap them here.
*/
INT WINAPI WS1_setsockopt(SOCKET s, INT level, INT optname, char *optval, INT optlen)
{
return setsockopt(s, level, _remap_optname(level, optname), optval, optlen);
}
/***********************************************************************
* getsockopt (WSOCK32.7)
*/
INT WINAPI WS1_getsockopt(SOCKET s, INT level, INT optname, char *optval, INT *optlen)
{
return getsockopt(s, level, _remap_optname(level, optname), optval, optlen);
}
/***********************************************************************
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* WsControl (WSOCK32.1001)
*
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* WsControl seems to be an undocumented Win95 function. A lot of
* discussion about WsControl can be found on the net, e.g.
* Subject: Re: WSOCK32.DLL WsControl Exported Function
* From: "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
* Date: 1997/08/17
*
* The WSCNTL_TCPIP_QUERY_INFO option is partially implemented based
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* on observing the behaviour of WsControl with an app in
* Windows 98. It is not fully implemented, and there could
* be (are?) errors due to incorrect assumptions made.
*
*
* WsControl returns WSCTL_SUCCESS on success.
* ERROR_LOCK_VIOLATION is returned if the output buffer length
* (*pcbResponseInfoLen) is too small. This is an unusual error code, but
* it matches Win98's behavior. Other errors come from winerror.h, not from
* winsock.h. Again, this is to match Win98 behavior.
*
*/
DWORD WINAPI WsControl(DWORD protocol,
DWORD action,
LPVOID pRequestInfo,
LPDWORD pcbRequestInfoLen,
LPVOID pResponseInfo,
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LPDWORD pcbResponseInfoLen)
{
/* Get the command structure into a pointer we can use,
rather than void */
TDIObjectID *pcommand = (TDIObjectID *)pRequestInfo;
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/* validate input parameters. Error codes are from winerror.h, not from
* winsock.h. pcbResponseInfoLen is apparently allowed to be NULL for some
* commands, since winipcfg.exe fails if we ensure it's non-NULL in every
* case.
*/
if (protocol != IPPROTO_TCP) return ERROR_INVALID_PARAMETER;
if (!pcommand) return ERROR_INVALID_PARAMETER;
if (!pcbRequestInfoLen) return ERROR_INVALID_ACCESS;
if (*pcbRequestInfoLen < sizeof(TDIObjectID)) return ERROR_INVALID_ACCESS;
if (!pResponseInfo) return ERROR_INVALID_PARAMETER;
if (pcommand->toi_type != INFO_TYPE_PROVIDER) return ERROR_INVALID_PARAMETER;
TRACE (" WsControl TOI_ID=>0x%lx<, {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 );
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switch (action)
{
case WSCNTL_TCPIP_QUERY_INFO:
{
if (pcommand->toi_class != INFO_CLASS_GENERIC &&
pcommand->toi_class != INFO_CLASS_PROTOCOL)
{
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ERR("Unexpected class %ld for WSCNTL_TCPIP_QUERY_INFO\n",
pcommand->toi_class);
return ERROR_BAD_ENVIRONMENT;
}
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switch (pcommand->toi_id)
{
/* ENTITY_LIST_ID gets the list of "entity IDs", where an entity
may represent an interface, or a datagram service, or address
translation, or other fun things. Typically an entity ID represents
a class of service, which is further queried for what type it is.
Different types will then have more specific queries defined.
*/
case ENTITY_LIST_ID:
{
TDIEntityID *baseptr = (TDIEntityID *)pResponseInfo;
DWORD numInt, i, ifTable, spaceNeeded;
PMIB_IFTABLE table;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (pcommand->toi_class != INFO_CLASS_GENERIC)
{
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FIXME ("Unexpected Option for ENTITY_LIST_ID request -> toi_class=0x%lx\n",
pcommand->toi_class);
return (ERROR_BAD_ENVIRONMENT);
}
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GetNumberOfInterfaces(&numInt);
spaceNeeded = sizeof(TDIEntityID) * (numInt * 2 + 3);
if (*pcbResponseInfoLen < spaceNeeded)
return (ERROR_LOCK_VIOLATION);
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ifTable = 0;
GetIfTable(NULL, &ifTable, FALSE);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, ifTable );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
GetIfTable(table, &ifTable, FALSE);
spaceNeeded = sizeof(TDIEntityID) * (table->dwNumEntries + 4);
if (*pcbResponseInfoLen < spaceNeeded)
{
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HeapFree( GetProcessHeap(), 0, table );
return ERROR_LOCK_VIOLATION;
}
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memset(baseptr, 0, spaceNeeded);
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for (i = 0; i < table->dwNumEntries; i++)
{
/* Return IF_GENERIC and CL_NL_ENTITY on every interface, and
* AT_ENTITY, CL_TL_ENTITY, and CO_TL_ENTITY on the first
* interface. MS returns them only on the loopback interface,
* but it doesn't seem to matter.
*/
if (i == 0)
{
baseptr->tei_entity = CO_TL_ENTITY;
baseptr->tei_instance = table->table[i].dwIndex;
baseptr++;
baseptr->tei_entity = CL_TL_ENTITY;
baseptr->tei_instance = table->table[i].dwIndex;
baseptr++;
baseptr->tei_entity = AT_ENTITY;
baseptr->tei_instance = table->table[i].dwIndex;
baseptr++;
}
baseptr->tei_entity = CL_NL_ENTITY;
baseptr->tei_instance = table->table[i].dwIndex;
baseptr++;
baseptr->tei_entity = IF_GENERIC;
baseptr->tei_instance = table->table[i].dwIndex;
baseptr++;
}
*pcbResponseInfoLen = spaceNeeded;
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HeapFree( GetProcessHeap(), 0, table );
break;
}
/* Returns MIB-II statistics for an interface */
case ENTITY_TYPE_ID:
switch (pcommand->toi_entity.tei_entity)
{
case IF_GENERIC:
if (pcommand->toi_class == INFO_CLASS_GENERIC)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
*((ULONG *)pResponseInfo) = IF_MIB;
*pcbResponseInfoLen = sizeof(ULONG);
}
else if (pcommand->toi_class == INFO_CLASS_PROTOCOL)
{
MIB_IFROW row;
DWORD index = pcommand->toi_entity.tei_instance, ret;
DWORD size = sizeof(row) - sizeof(row.wszName) -
sizeof(row.bDescr);
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < size)
return (ERROR_LOCK_VIOLATION);
row.dwIndex = index;
ret = GetIfEntry(&row);
if (ret != NO_ERROR)
{
/* FIXME: Win98's arp.exe insists on querying index 1 for
* its MIB-II stats, regardless of the tei_instances
* returned in the ENTITY_LIST query above. If the query
* fails, arp.exe fails. So, I do this hack return value
* if index is 1 and the query failed just to get arp.exe
* to continue.
*/
if (index == 1)
return NO_ERROR;
ERR ("Error retrieving data for interface index %lu\n",
index);
return ret;
}
size = sizeof(row) - sizeof(row.wszName) -
sizeof(row.bDescr) + row.dwDescrLen;
if (*pcbResponseInfoLen < size)
return (ERROR_LOCK_VIOLATION);
memcpy(pResponseInfo, &row.dwIndex, size);
*pcbResponseInfoLen = size;
}
break;
/* Returns address-translation related data. In our case, this is
* ARP.
*/
case AT_ENTITY:
if (pcommand->toi_class == INFO_CLASS_GENERIC)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
*((ULONG *)pResponseInfo) = AT_ARP;
*pcbResponseInfoLen = sizeof(ULONG);
}
else if (pcommand->toi_class == INFO_CLASS_PROTOCOL)
{
PMIB_IPNETTABLE table;
DWORD size;
PULONG output = (PULONG)pResponseInfo;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < sizeof(ULONG) * 2)
return (ERROR_LOCK_VIOLATION);
GetIpNetTable(NULL, &size, FALSE);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
GetIpNetTable(table, &size, FALSE);
/* FIXME: I don't understand the meaning of the ARP output
* very well, but it seems to indicate how many ARP entries
* exist. I don't know whether this should reflect the
* number per interface, as I'm only testing with a single
* interface. So, I lie and say all ARP entries exist on
* a single interface--the first one that appears in the
* ARP table.
*/
*(output++) = table->dwNumEntries;
*output = table->table[0].dwIndex;
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HeapFree( GetProcessHeap(), 0, table );
*pcbResponseInfoLen = sizeof(ULONG) * 2;
}
break;
/* Returns connectionless network layer statistics--in our case,
* this is IP.
*/
case CL_NL_ENTITY:
if (pcommand->toi_class == INFO_CLASS_GENERIC)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
*((ULONG *)pResponseInfo) = CL_NL_IP;
*pcbResponseInfoLen = sizeof(ULONG);
}
else if (pcommand->toi_class == INFO_CLASS_PROTOCOL)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < sizeof(MIB_IPSTATS))
return ERROR_LOCK_VIOLATION;
GetIpStatistics((PMIB_IPSTATS)pResponseInfo);
*pcbResponseInfoLen = sizeof(MIB_IPSTATS);
}
break;
/* Returns connectionless transport layer statistics--in our case,
* this is UDP.
*/
case CL_TL_ENTITY:
if (pcommand->toi_class == INFO_CLASS_GENERIC)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
*((ULONG *)pResponseInfo) = CL_TL_UDP;
*pcbResponseInfoLen = sizeof(ULONG);
}
else if (pcommand->toi_class == INFO_CLASS_PROTOCOL)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < sizeof(MIB_UDPSTATS))
return ERROR_LOCK_VIOLATION;
GetUdpStatistics((PMIB_UDPSTATS)pResponseInfo);
*pcbResponseInfoLen = sizeof(MIB_UDPSTATS);
}
break;
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/* Returns connection-oriented transport layer statistics--in our
* case, this is TCP.
*/
case CO_TL_ENTITY:
if (pcommand->toi_class == INFO_CLASS_GENERIC)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
*((ULONG *)pResponseInfo) = CO_TL_TCP;
*pcbResponseInfoLen = sizeof(ULONG);
}
else if (pcommand->toi_class == INFO_CLASS_PROTOCOL)
{
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < sizeof(MIB_TCPSTATS))
return ERROR_LOCK_VIOLATION;
GetTcpStatistics((PMIB_TCPSTATS)pResponseInfo);
*pcbResponseInfoLen = sizeof(MIB_TCPSTATS);
}
break;
default:
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ERR("Unknown entity %ld for ENTITY_TYPE_ID query\n",
pcommand->toi_entity.tei_entity);
}
break;
/* This call returns the IP address, subnet mask, and broadcast
* address for an interface. If there are multiple IP addresses for
* the interface with the given index, returns the "first" one.
*/
case IP_MIB_ADDRTABLE_ENTRY_ID:
{
DWORD index = pcommand->toi_entity.tei_instance;
PMIB_IPADDRROW baseIPInfo = (PMIB_IPADDRROW) pResponseInfo;
PMIB_IPADDRTABLE table;
DWORD tableSize, i;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
if (*pcbResponseInfoLen < sizeof(MIB_IPADDRROW))
return (ERROR_LOCK_VIOLATION);
/* get entire table, because there isn't an exported function that
gets just one entry. */
tableSize = 0;
GetIpAddrTable(NULL, &tableSize, FALSE);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, tableSize );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
GetIpAddrTable(table, &tableSize, FALSE);
for (i = 0; i < table->dwNumEntries; i++)
{
if (table->table[i].dwIndex == index)
{
TRACE("Found IP info for tei_instance 0x%lx:\n", index);
TRACE("IP 0x%08lx, mask 0x%08lx\n", table->table[i].dwAddr,
table->table[i].dwMask);
memcpy(baseIPInfo, &table->table[i], sizeof(MIB_IPADDRROW));
break;
}
}
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HeapFree( GetProcessHeap(), 0, table );
*pcbResponseInfoLen = sizeof(MIB_IPADDRROW);
break;
}
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case IP_MIB_TABLE_ENTRY_ID:
{
switch (pcommand->toi_entity.tei_entity)
{
/* This call returns the routing table.
* No official documentation found, even the name of the command is unknown.
* Work is based on
* http://www.cyberport.com/~tangent/programming/winsock/articles/wscontrol.html
* and testings done with winipcfg.exe, route.exe and ipconfig.exe.
* pcommand->toi_entity.tei_instance seems to be the interface number
* but route.exe outputs only the information for the last interface
* if only the routes for the pcommand->toi_entity.tei_instance
* interface are returned. */
case CL_NL_ENTITY:
{
DWORD routeTableSize, numRoutes, ndx, ret;
PMIB_IPFORWARDTABLE table;
IPRouteEntry *winRouteTable = (IPRouteEntry *) pResponseInfo;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
GetIpForwardTable(NULL, &routeTableSize, FALSE);
numRoutes = min(routeTableSize - sizeof(MIB_IPFORWARDTABLE),
0) / sizeof(MIB_IPFORWARDROW) + 1;
if (*pcbResponseInfoLen < sizeof(IPRouteEntry) * numRoutes)
return (ERROR_LOCK_VIOLATION);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, routeTableSize );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
ret = GetIpForwardTable(table, &routeTableSize, FALSE);
if (ret != NO_ERROR) {
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HeapFree( GetProcessHeap(), 0, table );
return ret;
}
memset(pResponseInfo, 0, sizeof(IPRouteEntry) * numRoutes);
for (ndx = 0; ndx < table->dwNumEntries; ndx++)
{
winRouteTable->ire_addr = table->table[ndx].dwForwardDest;
winRouteTable->ire_index =
table->table[ndx].dwForwardIfIndex;
winRouteTable->ire_metric =
table->table[ndx].dwForwardMetric1;
/* winRouteTable->ire_option4 =
winRouteTable->ire_option5 =
winRouteTable->ire_option6 = */
winRouteTable->ire_gw = table->table[ndx].dwForwardNextHop;
/* winRouteTable->ire_option8 =
winRouteTable->ire_option9 =
winRouteTable->ire_option10 = */
winRouteTable->ire_mask = table->table[ndx].dwForwardMask;
/* winRouteTable->ire_option12 = */
winRouteTable++;
}
/* calculate the length of the data in the output buffer */
*pcbResponseInfoLen = sizeof(IPRouteEntry) *
table->dwNumEntries;
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HeapFree( GetProcessHeap(), 0, table );
}
break;
case AT_ARP:
{
DWORD arpTableSize, numEntries, ret;
PMIB_IPNETTABLE table;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
GetIpNetTable(NULL, &arpTableSize, FALSE);
numEntries = min(arpTableSize - sizeof(MIB_IPNETTABLE),
0) / sizeof(MIB_IPNETROW) + 1;
if (*pcbResponseInfoLen < sizeof(MIB_IPNETROW) * numEntries)
return (ERROR_LOCK_VIOLATION);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, arpTableSize );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
ret = GetIpNetTable(table, &arpTableSize, FALSE);
if (ret != NO_ERROR) {
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HeapFree( GetProcessHeap(), 0, table );
return ret;
}
if (*pcbResponseInfoLen < sizeof(MIB_IPNETROW) *
table->dwNumEntries)
{
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HeapFree( GetProcessHeap(), 0, table );
return ERROR_LOCK_VIOLATION;
}
memcpy(pResponseInfo, table->table, sizeof(MIB_IPNETROW) *
table->dwNumEntries);
/* calculate the length of the data in the output buffer */
*pcbResponseInfoLen = sizeof(MIB_IPNETROW) *
table->dwNumEntries;
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HeapFree( GetProcessHeap(), 0, table );
}
break;
case CO_TL_ENTITY:
{
DWORD tcpTableSize, numEntries, ret;
PMIB_TCPTABLE table;
DWORD i;
if (!pcbResponseInfoLen)
return ERROR_BAD_ENVIRONMENT;
GetTcpTable(NULL, &tcpTableSize, FALSE);
numEntries = min(tcpTableSize - sizeof(MIB_TCPTABLE),
0) / sizeof(MIB_TCPROW) + 1;
if (*pcbResponseInfoLen < sizeof(MIB_TCPROW) * numEntries)
return (ERROR_LOCK_VIOLATION);
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table = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, tcpTableSize );
if (!table)
return ERROR_NOT_ENOUGH_MEMORY;
ret = GetTcpTable(table, &tcpTableSize, FALSE);
if (ret != NO_ERROR) {
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HeapFree( GetProcessHeap(), 0, table );
return ret;
}
if (*pcbResponseInfoLen < sizeof(MIB_TCPROW) *
table->dwNumEntries)
{
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HeapFree( GetProcessHeap(), 0, table );
return ERROR_LOCK_VIOLATION;
}
for (i = 0; i < table->dwNumEntries; i++)
{
USHORT sPort;
sPort = ntohs((USHORT)table->table[i].dwLocalPort);
table->table[i].dwLocalPort = (DWORD)sPort;
sPort = ntohs((USHORT)table->table[i].dwRemotePort);
table->table[i].dwRemotePort = (DWORD)sPort;
}
memcpy(pResponseInfo, table->table, sizeof(MIB_TCPROW) *
table->dwNumEntries);
/* calculate the length of the data in the output buffer */
*pcbResponseInfoLen = sizeof(MIB_TCPROW) *
table->dwNumEntries;
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HeapFree( GetProcessHeap(), 0, table );
}
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\n",
pcommand->toi_id, pcommand->toi_entity.tei_entity,
pcommand->toi_entity.tei_instance, pcommand->toi_class);
return (ERROR_BAD_ENVIRONMENT);
}
}
}
break;
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default:
{
FIXME ("Command ID Not Supported -> toi_id=0x%lx, toi_entity={tei_entity=0x%lx, tei_instance=0x%lx}, toi_class=0x%lx\n",
pcommand->toi_id, pcommand->toi_entity.tei_entity,
pcommand->toi_entity.tei_instance, pcommand->toi_class);
return (ERROR_BAD_ENVIRONMENT);
}
}
break;
}
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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
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FIXME("(ICMP_ECHO) to 0x%08x stub\n", addr);
break;
}
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default:
FIXME("Protocol Not Supported -> protocol=0x%lx, action=0x%lx, Request=%p, RequestLen=%p, Response=%p, ResponseLen=%p\n",
protocol, action, pRequestInfo, pcbRequestInfoLen, pResponseInfo, pcbResponseInfoLen);
return (WSAEOPNOTSUPP);
}
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return (WSCTL_SUCCESS);
}
/***********************************************************************
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* 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)
{
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FIXME("(WSARecvEx) partial packet return value not set\n");
return recv(s, buf, len, *flags);
}
/***********************************************************************
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* s_perror (WSOCK32.1108)
*/
void WINAPI s_perror(LPCSTR message)
{
FIXME("(%s): stub\n",message);
return;
}