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// Copyright (C) 2002 Christian Prochnow <cproch@seculogix.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// As a special exception to the GNU General Public License, permission is
// granted for additional uses of the text contained in its release
// of Common C++.
//
// The exception is that, if you link the Common C++ library with other files
// to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
//
// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
//
// This exception applies only to the code released under the
// name Common C++. If you copy code from other releases into a copy of
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way. To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
//
// If you write modifications of your own for Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.
#include <cc++/config.h>
#include <cc++/export.h>
#include <cc++/network.h>
#ifndef WIN32
#include <sys/ioctl.h>
# ifdef HAVE_SYS_SOCKIO_H
# include <sys/sockio.h>
# endif
#include <net/if.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#ifdef CCXX_NAMESPACES
namespace ost {
#endif
using namespace std;
NetworkDeviceInfo::NetworkDeviceInfo(const string& name,
const InetHostAddress& addr,
const BroadcastAddress& broadcast,
const InetMaskAddress& netmask, int mtu)
: _name(name), _addr(addr), _broadcast(broadcast), _netmask(netmask),
_mtu(mtu)
{}
NetworkDeviceInfo::NetworkDeviceInfo(const NetworkDeviceInfo& ndi)
: _name(ndi._name), _addr(ndi._addr), _broadcast(ndi._broadcast),
_netmask(ndi._netmask), _mtu(ndi._mtu)
{}
NetworkDeviceInfo::~NetworkDeviceInfo()
{}
bool enumNetworkDevices(vector<NetworkDeviceInfo>& devs)
{
devs.clear();
#ifndef WIN32
char buffer[8192];
struct ifconf ifc;
int fd = socket(AF_INET, SOCK_DGRAM, 0);
if(fd == -1)
return false;
ifc.ifc_len = sizeof(buffer);
ifc.ifc_buf = buffer;
if(ioctl(fd, SIOCGIFCONF, &ifc) == -1)
return false;
InetHostAddress addr;
BroadcastAddress brdaddr;
// sockaddr_in brdinaddr;
InetMaskAddress maskaddr("255.255.255.255");
// sockaddr_in maskinaddr;
int mtu;
int count = ifc.ifc_len / sizeof(ifreq);
for(int i = 0; i < count; ++i)
{
if(ifc.ifc_req[i].ifr_addr.sa_family != AF_INET)
continue;
addr = ((sockaddr_in&)ifc.ifc_req[i].ifr_addr).sin_addr;
struct ifreq devifreq;
strcpy(devifreq.ifr_name, ifc.ifc_req[i].ifr_name);
if(ioctl(fd, SIOCGIFBRDADDR, &devifreq) == -1)
(InetAddress&)brdaddr = htonl(INADDR_ANY);
else
(InetAddress&)brdaddr = ((sockaddr_in&)devifreq.ifr_broadaddr).sin_addr;
if(ioctl(fd, SIOCGIFNETMASK, &devifreq) == -1)
maskaddr = htonl(INADDR_BROADCAST);
else
(InetAddress&)maskaddr = ((sockaddr_in&)devifreq.ifr_addr).sin_addr;
#ifdef SIOCGLIFMTU
struct lifreq devlifreq;
if(ioctl(fd, SIOCGLIFMTU, &devlifreq) == -1)
mtu = 0;
else
mtu = devlifreq.lifr_mtu;
#else
if(ioctl(fd, SIOCGIFMTU, &devifreq) == -1)
mtu = 0;
else
mtu = devifreq.ifr_mtu;
#endif
devs.push_back(NetworkDeviceInfo(ifc.ifc_req[i].ifr_name, addr, brdaddr, maskaddr, mtu));
}
close(fd);
#else // WIN32
SOCKET s = WSASocket(AF_INET, SOCK_DGRAM, 0, 0, 0, 0);
if(s == INVALID_SOCKET)
{
if(WSAGetLastError() == WSANOTINITIALISED)
{
WSADATA wsadata;
WSAStartup(MAKEWORD(2,0),&wsadata);
}
else
return false;
}
char outbuff[8192];
DWORD outlen;
DWORD ret = WSAIoctl(s, SIO_GET_INTERFACE_LIST, 0, 0, outbuff, sizeof(outbuff), &outlen, 0, 0);
if(ret == SOCKET_ERROR)
return false;
INTERFACE_INFO* iflist = (INTERFACE_INFO*)outbuff;
int ifcount = outlen / sizeof(INTERFACE_INFO);
InetHostAddress addr;
BroadcastAddress brdaddr;
InetMaskAddress maskaddr("0.0.0.0");
for(int i = 0; i < ifcount; ++i)
{
addr = ((sockaddr_in&)iflist[i].iiAddress).sin_addr;
(InetAddress&)brdaddr = ((sockaddr_in&)iflist[i].iiBroadcastAddress).sin_addr;
(InetAddress&)maskaddr = ((sockaddr_in&)iflist[i].iiNetmask).sin_addr;
devs.push_back(NetworkDeviceInfo("", addr, brdaddr, maskaddr, -1));
}
closesocket(s);
#endif
return true;
}
#ifdef CCXX_NAMESPACES
}
#endif
/** EMACS **
* Local variables:
* mode: c++
* c-basic-offset: 8
* End:
*/
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