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711 lines
20 KiB
C
711 lines
20 KiB
C
/* Copyright (C) 2003 Art Yerkes
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* A reimplementation of ifenum.c by Juan Lang
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Implementation notes
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* - Our bretheren use IOCTL_TCP_QUERY_INFORMATION_EX to get information
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* from tcpip.sys and IOCTL_TCP_SET_INFORMATION_EX to set info (such as
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* the route table). These ioctls mirror WsControl exactly in usage.
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* - This iphlpapi does not rely on any reactos-only features.
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* - This implementation is meant to be largely correct. I am not, however,
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* paying any attention to performance. It can be done faster, and
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* someone should definately optimize this code when speed is more of a
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* priority than it is now.
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*
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* Edited implementation notes from the original -- Basically edited to add
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* information and prune things which are not accurate about this file.
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* Interface index fun:
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* - Windows may rely on an index being cleared in the topmost 8 bits in some
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* APIs; see GetFriendlyIfIndex and the mention of "backward compatible"
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* indexes. It isn't clear which APIs might fail with non-backward-compatible
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* indexes, but I'll keep them bits clear just in case.
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* FIXME:
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* - We don't support IPv6 addresses here yet -- I moved the upper edge
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* functions into iphlpv6.c (arty)
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*/
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#include "iphlpapi_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
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/* Functions */
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/* I'm a bit skittish about maintaining this info in memory, as I'd rather
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* not add any mutex or critical section blockers to these functions. I've
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* encountered far too many windows functions that contribute to deadlock
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* by not announcing themselves. */
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void interfaceMapInit(void)
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{
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/* For now, nothing */
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}
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void interfaceMapFree(void)
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{
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/* Ditto. */
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}
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NTSTATUS tdiGetMibForIfEntity
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( HANDLE tcpFile, TDIEntityID *ent, IFEntrySafelySized *entry ) {
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TCP_REQUEST_QUERY_INFORMATION_EX req = TCP_REQUEST_QUERY_INFORMATION_INIT;
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NTSTATUS status = STATUS_SUCCESS;
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DWORD returnSize;
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WARN("TdiGetMibForIfEntity(tcpFile %x,entityId %x)\n",
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(int)tcpFile, (int)ent->tei_instance);
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req.ID.toi_class = INFO_CLASS_PROTOCOL;
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req.ID.toi_type = INFO_TYPE_PROVIDER;
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req.ID.toi_id = IF_MIB_STATS_ID;
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req.ID.toi_entity = *ent;
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status = DeviceIoControl( tcpFile,
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IOCTL_TCP_QUERY_INFORMATION_EX,
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&req,
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sizeof(req),
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entry,
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sizeof(*entry),
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&returnSize,
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NULL );
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if(!status)
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{
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WARN("IOCTL Failed\n");
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return STATUS_UNSUCCESSFUL;
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}
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TRACE("TdiGetMibForIfEntity() => {\n"
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" if_index ....................... %x\n"
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" if_type ........................ %x\n"
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" if_mtu ......................... %d\n"
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" if_speed ....................... %x\n"
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" if_physaddrlen ................. %d\n",
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entry->ent.if_index,
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entry->ent.if_type,
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entry->ent.if_mtu,
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entry->ent.if_speed,
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entry->ent.if_physaddrlen);
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TRACE(" if_physaddr .................... %02x:%02x:%02x:%02x:%02x:%02x\n"
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" if_descr ....................... %s\n",
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entry->ent.if_physaddr[0] & 0xff,
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entry->ent.if_physaddr[1] & 0xff,
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entry->ent.if_physaddr[2] & 0xff,
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entry->ent.if_physaddr[3] & 0xff,
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entry->ent.if_physaddr[4] & 0xff,
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entry->ent.if_physaddr[5] & 0xff,
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entry->ent.if_descr);
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TRACE("} status %08x\n",status);
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return STATUS_SUCCESS;
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}
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BOOL isInterface( TDIEntityID *if_maybe ) {
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return
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if_maybe->tei_entity == IF_ENTITY;
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}
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BOOL isLoopback( HANDLE tcpFile, TDIEntityID *loop_maybe ) {
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IFEntrySafelySized entryInfo;
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NTSTATUS status;
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status = tdiGetMibForIfEntity( tcpFile,
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loop_maybe,
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&entryInfo );
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return NT_SUCCESS(status) &&
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(entryInfo.ent.if_type == IFENT_SOFTWARE_LOOPBACK);
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}
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BOOL hasArp( HANDLE tcpFile, TDIEntityID *arp_maybe ) {
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TCP_REQUEST_QUERY_INFORMATION_EX req = TCP_REQUEST_QUERY_INFORMATION_INIT;
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NTSTATUS status = STATUS_SUCCESS;
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DWORD returnSize, type;
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req.ID.toi_class = INFO_CLASS_GENERIC;
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req.ID.toi_type = INFO_TYPE_PROVIDER;
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req.ID.toi_id = ENTITY_TYPE_ID;
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req.ID.toi_entity.tei_entity = AT_ENTITY;
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req.ID.toi_entity.tei_instance = arp_maybe->tei_instance;
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status = DeviceIoControl( tcpFile,
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IOCTL_TCP_QUERY_INFORMATION_EX,
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&req,
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sizeof(req),
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&type,
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sizeof(type),
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&returnSize,
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NULL );
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if( !NT_SUCCESS(status) ) return FALSE;
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return (type & AT_ARP);
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}
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static NTSTATUS getInterfaceInfoSet( HANDLE tcpFile,
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IFInfo **infoSet,
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PDWORD numInterfaces ) {
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DWORD numEntities;
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TDIEntityID *entIDSet = 0;
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NTSTATUS status = tdiGetEntityIDSet( tcpFile, &entIDSet, &numEntities );
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IFInfo *infoSetInt = 0;
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int curInterf = 0, i;
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if (!NT_SUCCESS(status)) {
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ERR("getInterfaceInfoSet: tdiGetEntityIDSet() failed: 0x%lx\n", status);
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return status;
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}
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infoSetInt = HeapAlloc( GetProcessHeap(), 0,
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sizeof(IFInfo) * numEntities );
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if( infoSetInt ) {
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for( i = 0; i < numEntities; i++ ) {
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if( isInterface( &entIDSet[i] ) ) {
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infoSetInt[curInterf].entity_id = entIDSet[i];
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status = tdiGetMibForIfEntity
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( tcpFile,
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&entIDSet[i],
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&infoSetInt[curInterf].if_info );
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TRACE("tdiGetMibForIfEntity: %08x\n", status);
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if( NT_SUCCESS(status) ) {
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DWORD numAddrs;
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IPAddrEntry *addrs;
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TDIEntityID ip_ent;
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int j;
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status = getNthIpEntity( tcpFile, curInterf, &ip_ent );
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if( NT_SUCCESS(status) )
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status = tdiGetIpAddrsForIpEntity
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( tcpFile, &ip_ent, &addrs, &numAddrs );
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for( j = 0; j < numAddrs && NT_SUCCESS(status); j++ ) {
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TRACE("ADDR %d: index %d (target %d)\n", j, addrs[j].iae_index, infoSetInt[curInterf].if_info.ent.if_index);
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if( addrs[j].iae_index ==
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infoSetInt[curInterf].if_info.ent.if_index ) {
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memcpy( &infoSetInt[curInterf].ip_addr,
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&addrs[j],
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sizeof( addrs[j] ) );
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curInterf++;
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break;
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}
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}
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}
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}
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}
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tdiFreeThingSet(entIDSet);
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if (NT_SUCCESS(status)) {
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*infoSet = infoSetInt;
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*numInterfaces = curInterf;
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} else {
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HeapFree(GetProcessHeap(), 0, infoSetInt);
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}
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return status;
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} else {
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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}
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static DWORD getNumInterfacesInt(BOOL onlyNonLoopback)
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{
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DWORD numEntities, numInterfaces = 0;
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TDIEntityID *entitySet;
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HANDLE tcpFile;
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NTSTATUS status;
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int i;
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status = openTcpFile( &tcpFile );
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if( !NT_SUCCESS(status) ) {
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WARN("getNumInterfaces: failed %08x\n", status );
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return 0;
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}
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status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
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if( !NT_SUCCESS(status) ) {
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WARN("getNumInterfaces: failed %08x\n", status );
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closeTcpFile( tcpFile );
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return 0;
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}
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for( i = 0; i < numEntities; i++ ) {
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if( isInterface( &entitySet[i] ) &&
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(!onlyNonLoopback ||
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(onlyNonLoopback && !isLoopback( tcpFile, &entitySet[i] ))) )
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numInterfaces++;
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}
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TRACE("getNumInterfaces: success: %d %d %08x\n",
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onlyNonLoopback, numInterfaces, status );
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closeTcpFile( tcpFile );
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tdiFreeThingSet( entitySet );
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return numInterfaces;
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}
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DWORD getNumInterfaces(void)
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{
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return getNumInterfacesInt( FALSE );
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}
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DWORD getNumNonLoopbackInterfaces(void)
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{
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return getNumInterfacesInt( TRUE );
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}
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DWORD getNthInterfaceEntity( HANDLE tcpFile, DWORD index, TDIEntityID *ent ) {
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DWORD numEntities = 0;
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DWORD numInterfaces = 0;
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TDIEntityID *entitySet = 0;
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NTSTATUS status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
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int i;
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if( !NT_SUCCESS(status) )
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return status;
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for( i = 0; i < numEntities; i++ ) {
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if( isInterface( &entitySet[i] ) ) {
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if( numInterfaces == index ) break;
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else numInterfaces++;
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}
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}
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TRACE("Index %d is entity #%d - %04x:%08x\n", index, i,
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entitySet[i].tei_entity, entitySet[i].tei_instance );
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if( numInterfaces == index && i < numEntities ) {
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memcpy( ent, &entitySet[i], sizeof(*ent) );
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tdiFreeThingSet( entitySet );
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return STATUS_SUCCESS;
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} else {
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tdiFreeThingSet( entitySet );
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return STATUS_UNSUCCESSFUL;
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}
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}
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NTSTATUS getInterfaceInfoByIndex( HANDLE tcpFile, DWORD index, IFInfo *info ) {
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IFInfo *ifInfo;
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DWORD numInterfaces;
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NTSTATUS status = getInterfaceInfoSet( tcpFile, &ifInfo, &numInterfaces );
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int i;
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if( NT_SUCCESS(status) )
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{
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for( i = 0; i < numInterfaces; i++ ) {
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if( ifInfo[i].if_info.ent.if_index == index ) {
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memcpy( info, &ifInfo[i], sizeof(*info) );
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break;
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}
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}
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HeapFree(GetProcessHeap(), 0, ifInfo);
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return i < numInterfaces ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
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}
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return status;
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}
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NTSTATUS getInterfaceInfoByName( HANDLE tcpFile, char *name, IFInfo *info ) {
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IFInfo *ifInfo;
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DWORD numInterfaces;
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int i;
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NTSTATUS status = getInterfaceInfoSet( tcpFile, &ifInfo, &numInterfaces );
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if( NT_SUCCESS(status) )
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{
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for( i = 0; i < numInterfaces; i++ ) {
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if( !strcmp((PCHAR)ifInfo[i].if_info.ent.if_descr, name) ) {
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memcpy( info, &ifInfo[i], sizeof(*info) );
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break;
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}
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}
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HeapFree(GetProcessHeap(), 0,ifInfo);
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return i < numInterfaces ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
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}
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return status;
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}
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/* Note that the result of this operation must be freed later */
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const char *getInterfaceNameByIndex(DWORD index)
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{
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IFInfo ifInfo;
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HANDLE tcpFile;
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char *interfaceName = 0, *adapter_name = 0;
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NTSTATUS status = openTcpFile( &tcpFile );
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if( NT_SUCCESS(status) ) {
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status = getInterfaceInfoByIndex( tcpFile, index, &ifInfo );
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if( NT_SUCCESS(status) ) {
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adapter_name = (char *)ifInfo.if_info.ent.if_descr;
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interfaceName = HeapAlloc( GetProcessHeap(), 0,
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strlen(adapter_name) + 1 );
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if (!interfaceName) return NULL;
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strcpy( interfaceName, adapter_name );
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}
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closeTcpFile( tcpFile );
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}
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return interfaceName;
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}
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void consumeInterfaceName(const char *name) {
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HeapFree( GetProcessHeap(), 0, (char *)name );
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}
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DWORD getInterfaceIndexByName(const char *name, PDWORD index)
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{
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IFInfo ifInfo;
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HANDLE tcpFile;
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NTSTATUS status = openTcpFile( &tcpFile );
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if( NT_SUCCESS(status) ) {
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status = getInterfaceInfoByName( tcpFile, (char *)name, &ifInfo );
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if( NT_SUCCESS(status) ) {
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*index = ifInfo.if_info.ent.if_index;
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}
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closeTcpFile( tcpFile );
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}
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return status;
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}
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InterfaceIndexTable *getInterfaceIndexTableInt( BOOL nonLoopbackOnly ) {
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DWORD numInterfaces, curInterface = 0;
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int i;
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IFInfo *ifInfo;
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InterfaceIndexTable *ret = 0;
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HANDLE tcpFile;
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NTSTATUS status = openTcpFile( &tcpFile );
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if( NT_SUCCESS(status) ) {
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status = getInterfaceInfoSet( tcpFile, &ifInfo, &numInterfaces );
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TRACE("InterfaceInfoSet: %08x, %04x:%08x\n",
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status,
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ifInfo->entity_id.tei_entity,
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ifInfo->entity_id.tei_instance);
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if( NT_SUCCESS(status) ) {
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ret = (InterfaceIndexTable *)
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calloc(1,
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sizeof(InterfaceIndexTable) +
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(numInterfaces - 1) * sizeof(DWORD));
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if (ret) {
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ret->numAllocated = numInterfaces;
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TRACE("NumInterfaces = %d\n", numInterfaces);
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for( i = 0; i < numInterfaces; i++ ) {
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TRACE("Examining interface %d\n", i);
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if( !nonLoopbackOnly ||
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!isLoopback( tcpFile, &ifInfo[i].entity_id ) ) {
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TRACE("Interface %d matches (%d)\n", i, curInterface);
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ret->indexes[curInterface++] =
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ifInfo[i].if_info.ent.if_index;
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}
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}
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ret->numIndexes = curInterface;
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}
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tdiFreeThingSet( ifInfo );
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}
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closeTcpFile( tcpFile );
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}
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return ret;
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}
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InterfaceIndexTable *getInterfaceIndexTable(void) {
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return getInterfaceIndexTableInt( FALSE );
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}
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InterfaceIndexTable *getNonLoopbackInterfaceIndexTable(void) {
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return getInterfaceIndexTableInt( TRUE );
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}
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DWORD getInterfaceIPAddrByName(const char *name)
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{
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return INADDR_ANY;
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}
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NTSTATUS getIPAddrEntryForIf(HANDLE tcpFile,
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char *name,
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DWORD index,
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IFInfo *ifInfo) {
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NTSTATUS status =
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name ?
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getInterfaceInfoByName( tcpFile, name, ifInfo ) :
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getInterfaceInfoByIndex( tcpFile, index, ifInfo );
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if (!NT_SUCCESS(status)) {
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ERR("getIPAddrEntryForIf returning %lx\n", status);
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}
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return status;
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}
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DWORD getAddrByIndexOrName( char *name, DWORD index, IPHLPAddrType addrType ) {
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IFInfo ifInfo;
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HANDLE tcpFile;
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NTSTATUS status = STATUS_SUCCESS;
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DWORD addrOut = INADDR_ANY;
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status = openTcpFile( &tcpFile );
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if( NT_SUCCESS(status) ) {
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status = getIPAddrEntryForIf( tcpFile, name, index, &ifInfo );
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if( NT_SUCCESS(status) ) {
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switch( addrType ) {
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case IPAAddr: addrOut = ifInfo.ip_addr.iae_addr; break;
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case IPABcast: addrOut = ifInfo.ip_addr.iae_bcastaddr; break;
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case IPAMask: addrOut = ifInfo.ip_addr.iae_mask; break;
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case IFMtu: addrOut = ifInfo.if_info.ent.if_mtu; break;
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case IFStatus: addrOut = ifInfo.if_info.ent.if_operstatus; break;
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}
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}
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closeTcpFile( tcpFile );
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}
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return addrOut;
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}
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DWORD getInterfaceIPAddrByIndex(DWORD index) {
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return getAddrByIndexOrName( 0, index, IPAAddr );
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}
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DWORD getInterfaceBCastAddrByName(const char *name) {
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return getAddrByIndexOrName( (char *)name, 0, IPABcast );
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}
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DWORD getInterfaceBCastAddrByIndex(DWORD index) {
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return getAddrByIndexOrName( 0, index, IPABcast );
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}
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DWORD getInterfaceMaskByName(const char *name) {
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return getAddrByIndexOrName( (char *)name, 0, IPAMask );
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}
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DWORD getInterfaceMaskByIndex(DWORD index) {
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return getAddrByIndexOrName( 0, index, IPAMask );
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}
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void getInterfacePhysicalFromInfo( IFInfo *info,
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PDWORD len, PBYTE addr, PDWORD type ) {
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*len = info->if_info.ent.if_physaddrlen;
|
|
memcpy( addr, info->if_info.ent.if_physaddr, *len );
|
|
*type = info->if_info.ent.if_type;
|
|
}
|
|
|
|
DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
|
|
PDWORD type)
|
|
{
|
|
HANDLE tcpFile;
|
|
IFInfo info;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
status = getInterfaceInfoByName( tcpFile, (char *)name, &info );
|
|
if( NT_SUCCESS(status) )
|
|
getInterfacePhysicalFromInfo( &info, len, addr, type );
|
|
closeTcpFile( tcpFile );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
DWORD getInterfacePhysicalByIndex(DWORD index, PDWORD len, PBYTE addr,
|
|
PDWORD type)
|
|
{
|
|
HANDLE tcpFile;
|
|
IFInfo info;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
status = getInterfaceInfoByIndex( tcpFile, index, &info );
|
|
if( NT_SUCCESS(status) )
|
|
getInterfacePhysicalFromInfo( &info, len, addr, type );
|
|
closeTcpFile( tcpFile );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
DWORD getInterfaceMtuByName(const char *name, PDWORD mtu) {
|
|
*mtu = getAddrByIndexOrName( (char *)name, 0, IFMtu );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DWORD getInterfaceMtuByIndex(DWORD index, PDWORD mtu) {
|
|
*mtu = getAddrByIndexOrName( 0, index, IFMtu );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DWORD getInterfaceStatusByName(const char *name, PDWORD status) {
|
|
*status = getAddrByIndexOrName( (char *)name, 0, IFStatus );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DWORD getInterfaceStatusByIndex(DWORD index, PDWORD status)
|
|
{
|
|
*status = getAddrByIndexOrName( 0, index, IFStatus );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DWORD getInterfaceEntryByName(const char *name, PMIB_IFROW entry)
|
|
{
|
|
HANDLE tcpFile;
|
|
IFInfo info;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
|
|
TRACE("Called.\n");
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
status = getInterfaceInfoByName( tcpFile, (char *)name, &info );
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
memcpy( &entry->wszName[MAX_INTERFACE_NAME_LEN],
|
|
&info.if_info,
|
|
sizeof(info.if_info) );
|
|
}
|
|
|
|
TRACE("entry->bDescr = %s\n", entry->bDescr);
|
|
|
|
closeTcpFile( tcpFile );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
DWORD getInterfaceEntryByIndex(DWORD index, PMIB_IFROW entry)
|
|
{
|
|
HANDLE tcpFile;
|
|
IFInfo info;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
|
|
TRACE("Called.\n");
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
status = getInterfaceInfoByIndex( tcpFile, index, &info );
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
memcpy( &entry->wszName[MAX_INTERFACE_NAME_LEN],
|
|
&info.if_info,
|
|
sizeof(info.if_info) );
|
|
}
|
|
|
|
closeTcpFile( tcpFile );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
char *toIPAddressString(unsigned int addr, char string[16])
|
|
{
|
|
struct in_addr iAddr;
|
|
|
|
iAddr.s_addr = addr;
|
|
|
|
if (string)
|
|
strncpy(string, inet_ntoa(iAddr), 16);
|
|
|
|
return inet_ntoa(iAddr);
|
|
}
|
|
|
|
NTSTATUS addIPAddress( IPAddr Address, IPMask Mask, DWORD IfIndex,
|
|
PULONG NteContext, PULONG NteInstance )
|
|
{
|
|
HANDLE tcpFile;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
IP_SET_DATA Data;
|
|
IO_STATUS_BLOCK Iosb;
|
|
|
|
TRACE("Called.\n");
|
|
|
|
if( !NT_SUCCESS(status) ) return status;
|
|
|
|
Data.NteContext = IfIndex;
|
|
Data.NewAddress = Address;
|
|
Data.NewNetmask = Mask;
|
|
|
|
status = NtDeviceIoControlFile( tcpFile,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&Iosb,
|
|
IOCTL_SET_IP_ADDRESS,
|
|
&Data,
|
|
sizeof(Data),
|
|
&Data,
|
|
sizeof(Data) );
|
|
|
|
closeTcpFile( tcpFile );
|
|
|
|
if( NT_SUCCESS(status) ) {
|
|
*NteContext = Iosb.Information;
|
|
*NteInstance = Data.NewAddress;
|
|
}
|
|
|
|
if (!NT_SUCCESS(status)) {
|
|
ERR("addIPAddress for if %d returning 0x%lx\n", IfIndex, status);
|
|
}
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
NTSTATUS deleteIpAddress( ULONG NteContext )
|
|
{
|
|
HANDLE tcpFile;
|
|
NTSTATUS status = openTcpFile( &tcpFile );
|
|
IO_STATUS_BLOCK Iosb;
|
|
|
|
TRACE("Called.\n");
|
|
|
|
if( !NT_SUCCESS(status) ) return status;
|
|
|
|
status = NtDeviceIoControlFile( tcpFile,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&Iosb,
|
|
IOCTL_DELETE_IP_ADDRESS,
|
|
&NteContext,
|
|
sizeof(USHORT),
|
|
NULL,
|
|
0 );
|
|
|
|
closeTcpFile( tcpFile );
|
|
|
|
if (!NT_SUCCESS(status)) {
|
|
ERR("deleteIpAddress(%lu) returning 0x%lx\n", NteContext, status);
|
|
}
|
|
|
|
return status;
|
|
}
|