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299 lines
7.2 KiB
299 lines
7.2 KiB
/*
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* findnic.cpp
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*
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* Copyright (c) 2001 Alexander Neundorf <neundorf@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; 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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#include <config.h>
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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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#include <sys/types.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#ifdef USE_SOLARIS
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/* net/if.h is incompatible with STL on Solaris 2.6 - 2.8, redefine
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map in the header file because we don't need it. -- Simon Josefsson */
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#define map junkmap
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#endif
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# include <net/if.h>
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#ifdef USE_SOLARIS
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#undef map
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#endif
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#include <sys/ioctl.h>
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#ifndef HAVE_STRUCT_SOCKADDR_SA_LEN
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#undef HAVE_GETNAMEINFO
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#undef HAVE_GETIFADDRS
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#endif
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#if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
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#include <ifaddrs.h>
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#include <netdb.h>
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#include <tqstring.h>
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TQString flags_tos (unsigned int flags);
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#endif
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#include "findnic.h"
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#include <tdelocale.h>
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#include <ksockaddr.h>
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NICList* findNICs()
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{
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NICList* nl=new NICList;
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nl->setAutoDelete(true);
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#if !defined(HAVE_GETIFADDRS) && !defined(HAVE_GETNAMEINFO)
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int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
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char buf[8*1024];
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struct ifconf ifc;
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ifc.ifc_len = sizeof(buf);
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ifc.ifc_req = (struct ifreq *) buf;
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int result=ioctl(sockfd, SIOCGIFCONF, &ifc);
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for (char* ptr = buf; ptr < buf + ifc.ifc_len; )
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{
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struct ifreq *ifr =(struct ifreq *) ptr;
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int len = sizeof(struct sockaddr);
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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if (ifr->ifr_addr.sa_len > len)
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len = ifr->ifr_addr.sa_len; /* length > 16 */
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#endif
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ptr += sizeof(ifr->ifr_name) + len; /* for next one in buffer */
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int flags;
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struct sockaddr_in *sinptr;
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MyNIC *tmp=0;
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switch (ifr->ifr_addr.sa_family)
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{
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case AF_INET:
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sinptr = (struct sockaddr_in *) &ifr->ifr_addr;
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flags=0;
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struct ifreq ifcopy;
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ifcopy=*ifr;
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result=ioctl(sockfd,SIOCGIFFLAGS,&ifcopy);
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flags=ifcopy.ifr_flags;
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tmp=new MyNIC;
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tmp->name=ifr->ifr_name;
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if ((flags & IFF_UP) == IFF_UP)
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tmp->state=i18n("Up");
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else
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tmp->state=i18n("Down");
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if ((flags & IFF_BROADCAST) == IFF_BROADCAST)
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tmp->type=i18n("Broadcast");
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else if ((flags & IFF_POINTOPOINT) == IFF_POINTOPOINT)
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tmp->type=i18n("Point to Point");
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#ifndef _AIX
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else if ((flags & IFF_MULTICAST) == IFF_MULTICAST)
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tmp->type=i18n("Multicast");
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#endif
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else if ((flags & IFF_LOOPBACK) == IFF_LOOPBACK)
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tmp->type=i18n("Loopback");
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else
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tmp->type=i18n("Unknown");
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tmp->addr=inet_ntoa(sinptr->sin_addr);
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ifcopy=*ifr;
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result=ioctl(sockfd,SIOCGIFNETMASK,&ifcopy);
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if (result==0)
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{
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sinptr = (struct sockaddr_in *) &ifcopy.ifr_addr;
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tmp->netmask=inet_ntoa(sinptr->sin_addr);
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}
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else
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tmp->netmask=i18n("Unknown");
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nl->append(tmp);
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break;
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default:
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break;
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}
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}
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#else
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struct ifaddrs *ifap, *ifa;
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if (getifaddrs(&ifap) != 0) {
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return nl;
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}
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MyNIC *tmp=0;
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for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
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switch (ifa->ifa_addr->sa_family) {
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case AF_INET6:
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case AF_INET: {
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tmp = new MyNIC;
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tmp->name = ifa->ifa_name;
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char buf[128];
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bzero(buf, 128);
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getnameinfo(ifa->ifa_addr, ifa->ifa_addr->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
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tmp->addr = buf;
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if (ifa->ifa_netmask != NULL) {
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#ifdef Q_OS_FREEBSD
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struct sockaddr_in *sinptr = (struct sockaddr_in *)ifa->ifa_netmask;
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tmp->netmask=inet_ntoa(sinptr->sin_addr);
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#else
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bzero(buf, 128);
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getnameinfo(ifa->ifa_netmask, ifa->ifa_netmask->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
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tmp->netmask = buf;
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#endif
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}
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if (ifa->ifa_flags & IFF_UP)
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tmp->state=i18n("Up");
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else
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tmp->state=i18n("Down");
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tmp->type = flags_tos(ifa->ifa_flags);
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nl->append(tmp);
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break;
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}
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default:
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break;
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}
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}
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freeifaddrs(ifap);
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#endif
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return nl;
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}
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void suggestSettingsForAddress(const TQString& addrMask, LisaConfigInfo& lci)
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{
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TQString ip=addrMask.left(addrMask.find("/"));
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TQString mask=addrMask.mid(addrMask.find("/")+1);
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if (mask[mask.length()-1]==';')
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mask=mask.left(mask.length()-1);
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MyNIC tmpNic;
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KInetSocketAddress::stringToAddr(AF_INET, mask.latin1(), &tmpNic.netmask);
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KInetSocketAddress::stringToAddr(AF_INET, ip.latin1(), &tmpNic.addr);
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suggestSettingsForNic(&tmpNic,lci);
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}
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void suggestSettingsForNic(MyNIC* nic, LisaConfigInfo& lci)
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{
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lci.clear();
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if (nic==0)
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return;
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TQString address = nic->addr;
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TQString netmask = nic->netmask;
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TQString addrMask(address+"/"+netmask+";");
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struct in_addr tmpaddr;
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inet_aton(nic->netmask.latin1(), &tmpaddr);
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unsigned int tmp= ntohl(tmpaddr.s_addr);
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//if the host part is less than 20 bits simply take it
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//this might be a problem on 64 bit machines
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if (tmp>0xfffff000)
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{
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lci.pingAddresses=addrMask;
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lci.broadcastNetwork=addrMask;
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lci.allowedAddresses=addrMask;
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lci.secondWait=0;
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lci.secondScan=false;
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lci.firstWait=30;
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lci.maxPingsAtOnce=256;
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lci.updatePeriod=300;
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lci.useNmblookup=false;
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lci.unnamedHosts=false;
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}
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else
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{
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lci.pingAddresses="";
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lci.broadcastNetwork=addrMask;
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lci.allowedAddresses=addrMask;
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lci.secondWait=0;
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lci.secondScan=false;
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lci.firstWait=30;
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lci.maxPingsAtOnce=256;
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lci.updatePeriod=300;
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lci.useNmblookup=true;
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lci.unnamedHosts=false;
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}
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}
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LisaConfigInfo::LisaConfigInfo()
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{
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clear();
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}
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void LisaConfigInfo::clear()
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{
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pingAddresses="";
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broadcastNetwork="";
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allowedAddresses="";
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secondWait=0;
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firstWait=0;
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secondScan=false;
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maxPingsAtOnce=256;
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updatePeriod=0;
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useNmblookup=false;
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unnamedHosts=false;
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}
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#if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
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TQString flags_tos (unsigned int flags)
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{
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TQString tmp;
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if (flags & IFF_POINTOPOINT) {
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tmp += i18n("Point to Point");
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}
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if (flags & IFF_BROADCAST) {
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if (tmp.length()) {
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tmp += TQString::fromLatin1(", ");
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}
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tmp += i18n("Broadcast");
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}
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if (flags & IFF_MULTICAST) {
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if (tmp.length()) {
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tmp += TQString::fromLatin1(", ");
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}
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tmp += i18n("Multicast");
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}
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if (flags & IFF_LOOPBACK) {
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if (tmp.length()) {
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tmp += TQString::fromLatin1(", ");
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}
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tmp += i18n("Loopback");
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}
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return tmp;
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}
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#endif
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