apps/kinfocenter/nics/nic.cpp

   1 /*
   2  * nic.cpp
   3  *
   4  *  Copyright (C) 2001 Alexander Neundorf <neundorf@kde.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20
  21 #include <sys/types.h>
  22 #include <sys/param.h>
  23 #include <netinet/in.h>
  24 #include <arpa/inet.h>
  25 #include <stdio.h>
  26 #include <unistd.h>
  27 #include <sys/socket.h>
  28
  29 #include "config-nic.h"
  30 #ifdef HAVE_SYS_SOCKIO_H
  31 #include <sys/sockio.h>
  32 #endif
  33
  34 #include <kaboutdata.h>
  35 #include <kdialog.h>
  36 #include <kglobal.h>
  37
  38 #include <QLayout>
  39 #include <QPushButton>
  40 #include <QTabWidget>
  41 #include <QTimer>
  42 #include <QVBoxLayout>
  43 #include <QHBoxLayout>
  44 #include <Q3PtrList>
  45 #include <QTreeWidget>
  46
  47 #include "nic.h"
  48
  49 #ifdef USE_SOLARIS
  50 /* net/if.h is incompatible with STL on Solaris 2.6 - 2.8, redefine
  51    map in the header file because we don't need it. -- Simon Josefsson */
  52 #define map junkmap
  53 #endif
  54 #  include <net/if.h>
  55 #ifdef USE_SOLARIS
  56 #undef map
  57 #endif
  58
  59 #include <sys/ioctl.h>
  60 #include <KPluginFactory>
  61 #include <KPluginLoader>
  62
  63 #ifndef HAVE_STRUCT_SOCKADDR_SA_LEN
  64         #undef HAVE_GETNAMEINFO
  65         #undef HAVE_GETIFADDRS
  66 #endif
  67
  68 #if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
  69         #include <ifaddrs.h>
  70         #include <netdb.h>
  71
  72         QString flags_tos (unsigned int flags);
  73 #endif
  74
  75 K_PLUGIN_FACTORY(KCMNicFactory,
  76         registerPlugin<KCMNic>();
  77 )
  78 K_EXPORT_PLUGIN(KCMNicFactory("kcmnic"))
  79
  80 struct MyNIC
  81 {
  82    QString name;
  83    QString addr;
  84    QString netmask;
  85    QString state;
  86    QString type;
  87    QString HWaddr;
  88 };
  89
  90 typedef Q3PtrList<MyNIC> NICList;
  91
  92 NICList* findNICs();
  93
  94 KCMNic::KCMNic(QWidget *parent, const QVariantList &)
  95    :KCModule(KCMNicFactory::componentData(), parent)
  96 {
  97    QVBoxLayout *box=new QVBoxLayout(this);
  98    box->setMargin(0);
  99    box->setSpacing(KDialog::spacingHint());
 100    m_list=new QTreeWidget(this);
 101    m_list->setRootIsDecorated(false);
 102    box->addWidget(m_list);
 103    QStringList columns;
 104    columns<<i18n("Name")<<i18n("IP Address")<<i18n("Network Mask")<<i18n("Type")<<i18n("State")<<i18n("HWAddr");
 105    m_list->setHeaderLabels(columns);
 106    QHBoxLayout *hbox=new QHBoxLayout();
 107    box->addItem(hbox);
 108    m_updateButton=new QPushButton(i18n("&Update"),this);
 109    hbox->addWidget(m_updateButton);
 110    hbox->addStretch(1);
 111    QTimer* timer=new QTimer(this);
 112    timer->start(60000);
 113    connect(m_updateButton,SIGNAL(clicked()),this,SLOT(update()));
 114    connect(timer,SIGNAL(timeout()),this,SLOT(update()));
 115    update();
 116    KAboutData *about =
 117    new KAboutData(I18N_NOOP("kcminfo"), 0,
 118         ki18n("KDE Panel System Information Control Module"),
 119         0, KLocalizedString(), KAboutData::License_GPL,
 120         ki18n("(c) 2001 - 2002 Alexander Neundorf"));
 121
 122    about->addAuthor(ki18n("Alexander Neundorf"), KLocalizedString(), "neundorf@kde.org");
 123    setAboutData( about );
 124
 125 }
 126
 127 void KCMNic::update()
 128 {
 129    m_list->clear();
 130    NICList *nics=findNICs();
 131    nics->setAutoDelete(true);
 132    for (MyNIC* tmp=nics->first(); tmp!=0; tmp=nics->next()) {
 133       QStringList lst;
 134       lst << tmp->name<<tmp->addr<<tmp->netmask<<tmp->type<<tmp->state<<tmp->HWaddr;
 135       new QTreeWidgetItem(m_list,lst);
 136    }
 137    delete nics;
 138 }
 139
 140 static QString HWaddr2String(const char *hwaddr )
 141 {
 142    QString ret;
 143    for (int i=0; i<6; i++, hwaddr++)
 144    {
 145       int v = (*hwaddr & 0xff);
 146       QString num = QString("%1").arg(v,0,16);
 147       if (num.length() < 2)
 148          num.prepend("0");
 149       if (i>0)
 150          ret.append(":");
 151       ret.append(num);
 152    }
 153    return ret;
 154 }
 155
 156 NICList* findNICs()
 157 {
 158    QString upMessage(   i18nc("State of network card is connected",   "Up") );
 159    QString downMessage( i18nc("State of network card is disconnected", "Down") );
 160
 161    NICList* nl=new NICList;
 162    nl->setAutoDelete(true);
 163
 164 #if !defined(HAVE_GETIFADDRS) || !defined(HAVE_GETNAMEINFO)
 165
 166    int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
 167
 168    char buf[8*1024];
 169    struct ifconf ifc;
 170    ifc.ifc_len = sizeof(buf);
 171    ifc.ifc_req = (struct ifreq *) buf;
 172    int result=ioctl(sockfd, SIOCGIFCONF, &ifc);
 173
 174    for (char* ptr = buf; ptr < buf + ifc.ifc_len; )
 175    {
 176       struct ifreq *ifr =(struct ifreq *) ptr;
 177 #ifdef  HAVE_STRUCT_SOCKADDR_SA_LEN
 178       int len = sizeof(struct sockaddr);
 179       if (ifr->ifr_addr.sa_len > len)
 180          len = ifr->ifr_addr.sa_len;            /* length > 16 */
 181       ptr += sizeof(ifr->ifr_name) + len;       /* for next one in buffer */
 182 #else
 183       ptr += sizeof(*ifr);                      /* for next one in buffer */
 184 #endif
 185
 186       int flags;
 187       struct sockaddr_in *sinptr;
 188       MyNIC *tmp=0;
 189       switch (ifr->ifr_addr.sa_family)
 190       {
 191       case AF_INET:
 192          sinptr = (struct sockaddr_in *) &ifr->ifr_addr;
 193          flags=0;
 194
 195          struct ifreq ifcopy;
 196          ifcopy=*ifr;
 197          result=ioctl(sockfd,SIOCGIFFLAGS,&ifcopy);
 198          flags=ifcopy.ifr_flags;
 199
 200          tmp=new MyNIC;
 201          tmp->name=ifr->ifr_name;
 202          tmp->state= ((flags & IFF_UP) == IFF_UP) ? upMessage : downMessage;
 203
 204          if ((flags & IFF_BROADCAST) == IFF_BROADCAST)
 205             tmp->type=i18nc("@item:intext Mode of network card", "Broadcast");
 206          else if ((flags & IFF_POINTOPOINT) == IFF_POINTOPOINT)
 207             tmp->type=i18nc("@item:intext Mode of network card", "Point to Point");
 208 #ifndef _AIX
 209          else if ((flags & IFF_MULTICAST) == IFF_MULTICAST)
 210             tmp->type=i18nc("@item:intext Mode of network card", "Multicast");
 211 #endif
 212          else if ((flags & IFF_LOOPBACK) == IFF_LOOPBACK)
 213             tmp->type=i18nc("@item:intext Mode of network card", "Loopback");
 214          else
 215             tmp->type=i18nc("@item:intext Mode of network card", "Unknown");
 216
 217          tmp->addr=inet_ntoa(sinptr->sin_addr);
 218
 219          ifcopy=*ifr;
 220          result=ioctl(sockfd,SIOCGIFNETMASK,&ifcopy);
 221          if (result==0)
 222          {
 223             sinptr = (struct sockaddr_in *) &ifcopy.ifr_addr;
 224             tmp->netmask=inet_ntoa(sinptr->sin_addr);
 225          }
 226          else
 227             tmp->netmask=i18nc("Unknown network mask", "Unknown");
 228
 229
 230          ifcopy=*ifr;
 231          result=-1;  // if none of the two #ifs below matches, ensure that result!=0 so that "Unknown" is returned as result
 232 #ifdef SIOCGIFHWADDR
 233          result=ioctl(sockfd,SIOCGIFHWADDR,&ifcopy);
 234          if (result==0)
 235          {
 236             char *n = &ifcopy.ifr_ifru.ifru_hwaddr.sa_data[0];
 237             tmp->HWaddr = HWaddr2String(n);
 238          }
 239 #elif defined SIOCGENADDR
 240          result=ioctl(sockfd,SIOCGENADDR,&ifcopy);
 241          if (result==0)
 242          {
 243             char *n = &ifcopy.ifr_ifru.ifru_enaddr[0];
 244             tmp->HWaddr = HWaddr2String(n);
 245          }
 246 #endif
 247          if (result!=0)
 248          {
 249             tmp->HWaddr = i18nc("Unknown HWaddr", "Unknown");
 250          }
 251
 252          nl->append(tmp);
 253          break;
 254
 255       default:
 256          break;
 257       }
 258    }
 259 #else
 260   struct ifaddrs *ifap, *ifa;
 261   if (getifaddrs(&ifap) != 0) {
 262     return nl;
 263   }
 264
 265   MyNIC *tmp=0;
 266   for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 267     switch (ifa->ifa_addr->sa_family) {
 268     case AF_INET6:
 269     case AF_INET: {
 270       tmp = new MyNIC;
 271       tmp->name = ifa->ifa_name;
 272
 273       char buf[128];
 274
 275       bzero(buf, 128);
 276       getnameinfo(ifa->ifa_addr, ifa->ifa_addr->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
 277       tmp->addr = buf;
 278
 279       if (ifa->ifa_netmask != NULL) {
 280         bzero(buf, 128);
 281         getnameinfo(ifa->ifa_netmask, ifa->ifa_netmask->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
 282         tmp->netmask = buf;
 283       }
 284
 285       tmp->state= (ifa->ifa_flags & IFF_UP) ? upMessage : downMessage;
 286       tmp->type = flags_tos(ifa->ifa_flags);
 287
 288       nl->append(tmp);
 289       break;
 290     }
 291     default:
 292       break;
 293     }
 294   }
 295
 296   freeifaddrs(ifap);
 297 #endif
 298    return nl;
 299 }
 300
 301
 302 #if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
 303 QString flags_tos (unsigned int flags)
 304 {
 305   QString tmp;
 306   if (flags & IFF_POINTOPOINT) {
 307     tmp +=  i18n("Point to Point");
 308   }
 309
 310   if (flags & IFF_BROADCAST) {
 311     if (tmp.length()) {
 312       tmp += QLatin1String(", ");
 313     }
 314     tmp += i18n("Broadcast");
 315   }
 316
 317   if (flags & IFF_MULTICAST) {
 318     if (tmp.length()) {
 319       tmp += QLatin1String(", ");
 320     }
 321     tmp += i18n("Multicast");
 322   }
 323
 324   if (flags & IFF_LOOPBACK) {
 325     if (tmp.length()) {
 326       tmp += QLatin1String(", ");
 327     }
 328     tmp += i18n("Loopback");
 329   }
 330   return tmp;
 331 }
 332 #endif
 333
 334 #include "nic.moc"