795 lines
19 KiB
C
795 lines
19 KiB
C
/* Copyright (C) 2003,2006 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 St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* Implementation notes
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* FIXME:
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* - I don't support IPv6 addresses here, since SIOCGIFCONF can't return them
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*
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* There are three implemented methods for determining the MAC address of an
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* interface:
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* - a specific IOCTL (Linux)
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* - looking in the ARP cache (at least Solaris)
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* - using the sysctl interface (FreeBSD and MacOSX)
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* Solaris and some others have SIOCGENADDR, but I haven't gotten that to work
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* on the Solaris boxes at SourceForge's compile farm, whereas SIOCGARP does.
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_NET_IF_H
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#include <net/if.h>
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#endif
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#ifdef HAVE_NET_IF_ARP_H
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#include <net/if_arp.h>
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#endif
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#ifdef HAVE_NET_ROUTE_H
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#include <net/route.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_SYSCTL_H
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#include <sys/sysctl.h>
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#endif
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#ifdef HAVE_SYS_SOCKIO_H
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#include <sys/sockio.h>
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#endif
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#ifdef HAVE_NET_IF_DL_H
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#include <net/if_dl.h>
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#endif
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#ifdef HAVE_NET_IF_TYPES_H
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#include <net/if_types.h>
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#endif
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#include "ifenum.h"
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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#define ifreq_len(ifr) \
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max(sizeof(struct ifreq), sizeof((ifr)->ifr_name)+(ifr)->ifr_addr.sa_len)
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#else
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#define ifreq_len(ifr) sizeof(struct ifreq)
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#endif
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#ifndef ETH_ALEN
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#define ETH_ALEN 6
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#endif
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#ifndef IF_NAMESIZE
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#define IF_NAMESIZE 16
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#endif
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#ifndef INADDR_NONE
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#define INADDR_NONE (~0U)
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#endif
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#define INITIAL_INTERFACES_ASSUMED 4
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#define INDEX_IS_LOOPBACK 0x00800000
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/* Functions */
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static int isLoopbackInterface(int fd, const char *name)
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{
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int ret = 0;
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if (name) {
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struct ifreq ifr;
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lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
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if (ioctl(fd, SIOCGIFFLAGS, &ifr) == 0)
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ret = ifr.ifr_flags & IFF_LOOPBACK;
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}
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return ret;
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}
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/* The comments say MAX_ADAPTER_NAME is required, but really only IF_NAMESIZE
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* bytes are necessary.
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*/
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char *getInterfaceNameByIndex(DWORD index, char *name)
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{
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return if_indextoname(index, name);
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}
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DWORD getInterfaceIndexByName(const char *name, PDWORD index)
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{
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DWORD ret;
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unsigned int idx;
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if (!name)
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return ERROR_INVALID_PARAMETER;
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if (!index)
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return ERROR_INVALID_PARAMETER;
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idx = if_nametoindex(name);
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if (idx) {
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*index = idx;
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ret = NO_ERROR;
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}
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else
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ret = ERROR_INVALID_DATA;
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return ret;
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}
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DWORD getNumNonLoopbackInterfaces(void)
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{
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DWORD numInterfaces;
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int fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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struct if_nameindex *indexes = if_nameindex();
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if (indexes) {
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struct if_nameindex *p;
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for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
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if (!isLoopbackInterface(fd, p->if_name))
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numInterfaces++;
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if_freenameindex(indexes);
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}
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else
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numInterfaces = 0;
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close(fd);
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}
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else
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numInterfaces = 0;
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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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DWORD numInterfaces;
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struct if_nameindex *indexes = if_nameindex();
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if (indexes) {
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struct if_nameindex *p;
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for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
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numInterfaces++;
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if_freenameindex(indexes);
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}
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else
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numInterfaces = 0;
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return numInterfaces;
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}
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InterfaceIndexTable *getInterfaceIndexTable(void)
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{
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DWORD numInterfaces;
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InterfaceIndexTable *ret;
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struct if_nameindex *indexes = if_nameindex();
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if (indexes) {
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struct if_nameindex *p;
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for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
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numInterfaces++;
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ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(InterfaceIndexTable) + (numInterfaces - 1) * sizeof(DWORD));
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if (ret) {
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for (p = indexes; p && p->if_name; p++)
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ret->indexes[ret->numIndexes++] = p->if_index;
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}
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if_freenameindex(indexes);
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}
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else
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ret = NULL;
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return ret;
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}
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InterfaceIndexTable *getNonLoopbackInterfaceIndexTable(void)
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{
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DWORD numInterfaces;
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InterfaceIndexTable *ret;
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int fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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struct if_nameindex *indexes = if_nameindex();
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if (indexes) {
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struct if_nameindex *p;
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for (p = indexes, numInterfaces = 0; p && p->if_name; p++)
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if (!isLoopbackInterface(fd, p->if_name))
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numInterfaces++;
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ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(InterfaceIndexTable) + (numInterfaces - 1) * sizeof(DWORD));
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if (ret) {
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for (p = indexes; p && p->if_name; p++)
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if (!isLoopbackInterface(fd, p->if_name))
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ret->indexes[ret->numIndexes++] = p->if_index;
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}
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if_freenameindex(indexes);
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}
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else
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ret = NULL;
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close(fd);
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}
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else
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ret = NULL;
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return ret;
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}
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static DWORD getInterfaceBCastAddrByName(const char *name)
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{
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DWORD ret = INADDR_ANY;
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if (name) {
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int fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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struct ifreq ifr;
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lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
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if (ioctl(fd, SIOCGIFBRDADDR, &ifr) == 0)
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memcpy(&ret, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
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close(fd);
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}
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}
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return ret;
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}
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static DWORD getInterfaceMaskByName(const char *name)
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{
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DWORD ret = INADDR_NONE;
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if (name) {
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int fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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struct ifreq ifr;
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lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
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if (ioctl(fd, SIOCGIFNETMASK, &ifr) == 0)
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memcpy(&ret, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
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close(fd);
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}
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}
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return ret;
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}
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#if defined (SIOCGIFHWADDR)
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DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
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PDWORD type)
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{
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DWORD ret;
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int fd;
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if (!name || !len || !addr || !type)
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return ERROR_INVALID_PARAMETER;
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fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(struct ifreq));
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lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
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if ((ioctl(fd, SIOCGIFHWADDR, &ifr)))
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ret = ERROR_INVALID_DATA;
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else {
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unsigned int addrLen;
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switch (ifr.ifr_hwaddr.sa_family)
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{
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#ifdef ARPHRD_LOOPBACK
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case ARPHRD_LOOPBACK:
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addrLen = 0;
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*type = MIB_IF_TYPE_LOOPBACK;
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break;
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#endif
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#ifdef ARPHRD_ETHER
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case ARPHRD_ETHER:
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addrLen = ETH_ALEN;
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*type = MIB_IF_TYPE_ETHERNET;
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break;
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#endif
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#ifdef ARPHRD_FDDI
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case ARPHRD_FDDI:
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addrLen = ETH_ALEN;
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*type = MIB_IF_TYPE_FDDI;
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break;
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#endif
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#ifdef ARPHRD_IEEE802
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case ARPHRD_IEEE802: /* 802.2 Ethernet && Token Ring, guess TR? */
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addrLen = ETH_ALEN;
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*type = MIB_IF_TYPE_TOKENRING;
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break;
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#endif
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#ifdef ARPHRD_IEEE802_TR
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case ARPHRD_IEEE802_TR: /* also Token Ring? */
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addrLen = ETH_ALEN;
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*type = MIB_IF_TYPE_TOKENRING;
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break;
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#endif
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#ifdef ARPHRD_SLIP
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case ARPHRD_SLIP:
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addrLen = 0;
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*type = MIB_IF_TYPE_SLIP;
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break;
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#endif
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#ifdef ARPHRD_PPP
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case ARPHRD_PPP:
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addrLen = 0;
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*type = MIB_IF_TYPE_PPP;
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break;
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#endif
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default:
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addrLen = min(MAX_INTERFACE_PHYSADDR, sizeof(ifr.ifr_hwaddr.sa_data));
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*type = MIB_IF_TYPE_OTHER;
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}
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if (addrLen > *len) {
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ret = ERROR_INSUFFICIENT_BUFFER;
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*len = addrLen;
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}
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else {
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if (addrLen > 0)
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memcpy(addr, ifr.ifr_hwaddr.sa_data, addrLen);
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/* zero out remaining bytes for broken implementations */
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memset(addr + addrLen, 0, *len - addrLen);
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*len = addrLen;
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ret = NO_ERROR;
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}
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}
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close(fd);
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}
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else
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ret = ERROR_NO_MORE_FILES;
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return ret;
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}
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#elif defined (SIOCGARP)
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DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
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PDWORD type)
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{
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DWORD ret;
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int fd;
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if (!name || !len || !addr || !type)
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return ERROR_INVALID_PARAMETER;
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fd = socket(PF_INET, SOCK_DGRAM, 0);
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if (fd != -1) {
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if (isLoopbackInterface(fd, name)) {
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*type = MIB_IF_TYPE_LOOPBACK;
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memset(addr, 0, *len);
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*len = 0;
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ret=NOERROR;
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}
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else {
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struct arpreq arp;
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struct sockaddr_in *saddr;
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struct ifreq ifr;
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/* get IP addr */
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lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
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ioctl(fd, SIOCGIFADDR, &ifr);
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memset(&arp, 0, sizeof(struct arpreq));
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arp.arp_pa.sa_family = AF_INET;
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saddr = (struct sockaddr_in *)&arp; /* proto addr is first member */
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saddr->sin_family = AF_INET;
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memcpy(&saddr->sin_addr.s_addr, ifr.ifr_addr.sa_data + 2, sizeof(DWORD));
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if ((ioctl(fd, SIOCGARP, &arp)))
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ret = ERROR_INVALID_DATA;
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else {
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/* FIXME: heh: who said it was ethernet? */
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int addrLen = ETH_ALEN;
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if (addrLen > *len) {
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ret = ERROR_INSUFFICIENT_BUFFER;
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*len = addrLen;
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}
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else {
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if (addrLen > 0)
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memcpy(addr, &arp.arp_ha.sa_data[0], addrLen);
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/* zero out remaining bytes for broken implementations */
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memset(addr + addrLen, 0, *len - addrLen);
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*len = addrLen;
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*type = MIB_IF_TYPE_ETHERNET;
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ret = NO_ERROR;
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}
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}
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}
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close(fd);
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}
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else
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ret = ERROR_NO_MORE_FILES;
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return ret;
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}
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#elif defined (HAVE_SYS_SYSCTL_H) && defined (HAVE_NET_IF_DL_H)
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DWORD getInterfacePhysicalByName(const char *name, PDWORD len, PBYTE addr,
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PDWORD type)
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{
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DWORD ret;
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struct if_msghdr *ifm;
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struct sockaddr_dl *sdl;
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u_char *p, *buf;
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size_t mibLen;
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int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 };
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int addrLen;
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BOOL found = FALSE;
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if (!name || !len || !addr || !type)
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return ERROR_INVALID_PARAMETER;
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if (sysctl(mib, 6, NULL, &mibLen, NULL, 0) < 0)
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return ERROR_NO_MORE_FILES;
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buf = HeapAlloc(GetProcessHeap(), 0, mibLen);
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if (!buf)
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return ERROR_NOT_ENOUGH_MEMORY;
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if (sysctl(mib, 6, buf, &mibLen, NULL, 0) < 0) {
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HeapFree(GetProcessHeap(), 0, buf);
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return ERROR_NO_MORE_FILES;
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}
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ret = ERROR_INVALID_DATA;
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for (p = buf; !found && p < buf + mibLen; p += ifm->ifm_msglen) {
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ifm = (struct if_msghdr *)p;
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sdl = (struct sockaddr_dl *)(ifm + 1);
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if (ifm->ifm_type != RTM_IFINFO || (ifm->ifm_addrs & RTA_IFP) == 0)
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continue;
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if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
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memcmp(sdl->sdl_data, name, max(sdl->sdl_nlen, strlen(name))) != 0)
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continue;
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found = TRUE;
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addrLen = min(MAX_INTERFACE_PHYSADDR, sdl->sdl_alen);
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if (addrLen > *len) {
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ret = ERROR_INSUFFICIENT_BUFFER;
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*len = addrLen;
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}
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else {
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if (addrLen > 0)
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memcpy(addr, LLADDR(sdl), addrLen);
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/* zero out remaining bytes for broken implementations */
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memset(addr + addrLen, 0, *len - addrLen);
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*len = addrLen;
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#if defined(HAVE_NET_IF_TYPES_H)
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switch (sdl->sdl_type)
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{
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case IFT_ETHER:
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*type = MIB_IF_TYPE_ETHERNET;
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break;
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case IFT_FDDI:
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*type = MIB_IF_TYPE_FDDI;
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break;
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case IFT_ISO88024: /* Token Bus */
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*type = MIB_IF_TYPE_TOKENRING;
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break;
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case IFT_ISO88025: /* Token Ring */
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*type = MIB_IF_TYPE_TOKENRING;
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break;
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case IFT_PPP:
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*type = MIB_IF_TYPE_PPP;
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break;
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case IFT_SLIP:
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*type = MIB_IF_TYPE_SLIP;
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break;
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case IFT_LOOP:
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*type = MIB_IF_TYPE_LOOPBACK;
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break;
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default:
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*type = MIB_IF_TYPE_OTHER;
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}
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#else
|
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/* default if we don't know */
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*type = MIB_IF_TYPE_ETHERNET;
|
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#endif
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ret = NO_ERROR;
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}
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}
|
|
HeapFree(GetProcessHeap(), 0, buf);
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return ret;
|
|
}
|
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#endif
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|
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DWORD getInterfacePhysicalByIndex(DWORD index, PDWORD len, PBYTE addr,
|
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PDWORD type)
|
|
{
|
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char nameBuf[IF_NAMESIZE];
|
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char *name = getInterfaceNameByIndex(index, nameBuf);
|
|
|
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if (name)
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return getInterfacePhysicalByName(name, len, addr, type);
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|
else
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return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
static DWORD getInterfaceMtuByName(const char *name, PDWORD mtu)
|
|
{
|
|
DWORD ret;
|
|
int fd;
|
|
|
|
if (!name)
|
|
return ERROR_INVALID_PARAMETER;
|
|
if (!mtu)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd != -1) {
|
|
struct ifreq ifr;
|
|
|
|
lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
|
|
if ((ioctl(fd, SIOCGIFMTU, &ifr)))
|
|
ret = ERROR_INVALID_DATA;
|
|
else {
|
|
#ifndef __sun
|
|
*mtu = ifr.ifr_mtu;
|
|
#else
|
|
*mtu = ifr.ifr_metric;
|
|
#endif
|
|
ret = NO_ERROR;
|
|
}
|
|
close(fd);
|
|
}
|
|
else
|
|
ret = ERROR_NO_MORE_FILES;
|
|
return ret;
|
|
}
|
|
|
|
static DWORD getInterfaceStatusByName(const char *name, PDWORD status)
|
|
{
|
|
DWORD ret;
|
|
int fd;
|
|
|
|
if (!name)
|
|
return ERROR_INVALID_PARAMETER;
|
|
if (!status)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd != -1) {
|
|
struct ifreq ifr;
|
|
|
|
lstrcpynA(ifr.ifr_name, name, IFNAMSIZ);
|
|
if ((ioctl(fd, SIOCGIFFLAGS, &ifr)))
|
|
ret = ERROR_INVALID_DATA;
|
|
else {
|
|
if (ifr.ifr_flags & IFF_UP)
|
|
*status = MIB_IF_OPER_STATUS_OPERATIONAL;
|
|
else
|
|
*status = MIB_IF_OPER_STATUS_NON_OPERATIONAL;
|
|
ret = NO_ERROR;
|
|
}
|
|
close(fd);
|
|
}
|
|
else
|
|
ret = ERROR_NO_MORE_FILES;
|
|
return ret;
|
|
}
|
|
|
|
DWORD getInterfaceEntryByName(const char *name, PMIB_IFROW entry)
|
|
{
|
|
BYTE addr[MAX_INTERFACE_PHYSADDR];
|
|
DWORD ret, len = sizeof(addr), type;
|
|
|
|
if (!name)
|
|
return ERROR_INVALID_PARAMETER;
|
|
if (!entry)
|
|
return ERROR_INVALID_PARAMETER;
|
|
|
|
if (getInterfacePhysicalByName(name, &len, addr, &type) == NO_ERROR) {
|
|
WCHAR *assigner;
|
|
const char *walker;
|
|
|
|
memset(entry, 0, sizeof(MIB_IFROW));
|
|
for (assigner = entry->wszName, walker = name; *walker;
|
|
walker++, assigner++)
|
|
*assigner = *walker;
|
|
*assigner = 0;
|
|
getInterfaceIndexByName(name, &entry->dwIndex);
|
|
entry->dwPhysAddrLen = len;
|
|
memcpy(entry->bPhysAddr, addr, len);
|
|
memset(entry->bPhysAddr + len, 0, sizeof(entry->bPhysAddr) - len);
|
|
entry->dwType = type;
|
|
/* FIXME: how to calculate real speed? */
|
|
getInterfaceMtuByName(name, &entry->dwMtu);
|
|
/* lie, there's no "administratively down" here */
|
|
entry->dwAdminStatus = MIB_IF_ADMIN_STATUS_UP;
|
|
getInterfaceStatusByName(name, &entry->dwOperStatus);
|
|
/* punt on dwLastChange? */
|
|
entry->dwDescrLen = min(strlen(name), MAX_INTERFACE_DESCRIPTION - 1);
|
|
memcpy(entry->bDescr, name, entry->dwDescrLen);
|
|
entry->bDescr[entry->dwDescrLen] = '\0';
|
|
entry->dwDescrLen++;
|
|
ret = NO_ERROR;
|
|
}
|
|
else
|
|
ret = ERROR_INVALID_DATA;
|
|
return ret;
|
|
}
|
|
|
|
DWORD getInterfaceEntryByIndex(DWORD index, PMIB_IFROW entry)
|
|
{
|
|
char nameBuf[IF_NAMESIZE];
|
|
char *name = getInterfaceNameByIndex(index, nameBuf);
|
|
|
|
if (name)
|
|
return getInterfaceEntryByName(name, entry);
|
|
else
|
|
return ERROR_INVALID_DATA;
|
|
}
|
|
|
|
/* Enumerates the IP addresses in the system using SIOCGIFCONF, returning
|
|
* the count to you in *pcAddresses. It also returns to you the struct ifconf
|
|
* used by the call to ioctl, so that you may process the addresses further.
|
|
* Free ifc->ifc_buf using HeapFree.
|
|
* Returns NO_ERROR on success, something else on failure.
|
|
*/
|
|
static DWORD enumIPAddresses(PDWORD pcAddresses, struct ifconf *ifc)
|
|
{
|
|
DWORD ret;
|
|
int fd;
|
|
|
|
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd != -1) {
|
|
int ioctlRet = 0;
|
|
DWORD guessedNumAddresses = 0, numAddresses = 0;
|
|
caddr_t ifPtr;
|
|
|
|
ret = NO_ERROR;
|
|
ifc->ifc_len = 0;
|
|
ifc->ifc_buf = NULL;
|
|
/* there is no way to know the interface count beforehand,
|
|
so we need to loop again and again upping our max each time
|
|
until returned < max */
|
|
do {
|
|
HeapFree(GetProcessHeap(), 0, ifc->ifc_buf);
|
|
if (guessedNumAddresses == 0)
|
|
guessedNumAddresses = INITIAL_INTERFACES_ASSUMED;
|
|
else
|
|
guessedNumAddresses *= 2;
|
|
ifc->ifc_len = sizeof(struct ifreq) * guessedNumAddresses;
|
|
ifc->ifc_buf = HeapAlloc(GetProcessHeap(), 0, ifc->ifc_len);
|
|
ioctlRet = ioctl(fd, SIOCGIFCONF, ifc);
|
|
} while (ioctlRet == 0 &&
|
|
ifc->ifc_len == (sizeof(struct ifreq) * guessedNumAddresses));
|
|
|
|
if (ioctlRet == 0) {
|
|
ifPtr = ifc->ifc_buf;
|
|
while (ifPtr && ifPtr < ifc->ifc_buf + ifc->ifc_len) {
|
|
numAddresses++;
|
|
ifPtr += ifreq_len((struct ifreq *)ifPtr);
|
|
}
|
|
}
|
|
else
|
|
ret = ERROR_INVALID_PARAMETER; /* FIXME: map from errno to Win32 */
|
|
if (!ret)
|
|
*pcAddresses = numAddresses;
|
|
else
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ifc->ifc_buf);
|
|
ifc->ifc_buf = NULL;
|
|
}
|
|
close(fd);
|
|
}
|
|
else
|
|
ret = ERROR_NO_SYSTEM_RESOURCES;
|
|
return ret;
|
|
}
|
|
|
|
DWORD getNumIPAddresses(void)
|
|
{
|
|
DWORD numAddresses = 0;
|
|
struct ifconf ifc;
|
|
|
|
if (!enumIPAddresses(&numAddresses, &ifc))
|
|
HeapFree(GetProcessHeap(), 0, ifc.ifc_buf);
|
|
return numAddresses;
|
|
}
|
|
|
|
DWORD getIPAddrTable(PMIB_IPADDRTABLE *ppIpAddrTable, HANDLE heap, DWORD flags)
|
|
{
|
|
DWORD ret;
|
|
|
|
if (!ppIpAddrTable)
|
|
ret = ERROR_INVALID_PARAMETER;
|
|
else
|
|
{
|
|
DWORD numAddresses = 0;
|
|
struct ifconf ifc;
|
|
|
|
ret = enumIPAddresses(&numAddresses, &ifc);
|
|
if (!ret)
|
|
{
|
|
*ppIpAddrTable = HeapAlloc(heap, flags, sizeof(MIB_IPADDRTABLE) +
|
|
(numAddresses - 1) * sizeof(MIB_IPADDRROW));
|
|
if (*ppIpAddrTable) {
|
|
DWORD i = 0, bcast;
|
|
caddr_t ifPtr;
|
|
|
|
ret = NO_ERROR;
|
|
(*ppIpAddrTable)->dwNumEntries = numAddresses;
|
|
ifPtr = ifc.ifc_buf;
|
|
while (!ret && ifPtr && ifPtr < ifc.ifc_buf + ifc.ifc_len) {
|
|
struct ifreq *ifr = (struct ifreq *)ifPtr;
|
|
|
|
ret = getInterfaceIndexByName(ifr->ifr_name,
|
|
&(*ppIpAddrTable)->table[i].dwIndex);
|
|
memcpy(&(*ppIpAddrTable)->table[i].dwAddr, ifr->ifr_addr.sa_data + 2,
|
|
sizeof(DWORD));
|
|
(*ppIpAddrTable)->table[i].dwMask =
|
|
getInterfaceMaskByName(ifr->ifr_name);
|
|
/* the dwBCastAddr member isn't the broadcast address, it indicates
|
|
* whether the interface uses the 1's broadcast address (1) or the
|
|
* 0's broadcast address (0).
|
|
*/
|
|
bcast = getInterfaceBCastAddrByName(ifr->ifr_name);
|
|
(*ppIpAddrTable)->table[i].dwBCastAddr =
|
|
(bcast & (*ppIpAddrTable)->table[i].dwMask) ? 1 : 0;
|
|
/* FIXME: hardcoded reasm size, not sure where to get it */
|
|
(*ppIpAddrTable)->table[i].dwReasmSize = 65535;
|
|
|
|
(*ppIpAddrTable)->table[i].unused1 = 0;
|
|
(*ppIpAddrTable)->table[i].wType = 0;
|
|
ifPtr += ifreq_len(ifr);
|
|
i++;
|
|
}
|
|
}
|
|
else
|
|
ret = ERROR_OUTOFMEMORY;
|
|
HeapFree(GetProcessHeap(), 0, ifc.ifc_buf);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
char *toIPAddressString(unsigned int addr, char string[16])
|
|
{
|
|
if (string) {
|
|
struct in_addr iAddr;
|
|
|
|
iAddr.s_addr = addr;
|
|
/* extra-anal, just to make auditors happy */
|
|
lstrcpynA(string, inet_ntoa(iAddr), 16);
|
|
}
|
|
return string;
|
|
}
|