1 files changed, 11 insertions, 0 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 915814d..e5b091f 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -51,192 +51,203 @@
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <linux/sockios.h>
 #include <net/if_arp.h>
 #include <stdarg.h>
 
 #ifndef NODEBUG
 #include <opie2/odebugmapper.h>
 DebugMapper* debugmapper = new DebugMapper();
 #endif
 
 /*======================================================================================
  * ONetwork
  *======================================================================================*/
 
 ONetwork* ONetwork::_instance = 0;
 
 ONetwork::ONetwork()
 {
     odebug << "ONetwork::ONetwork()" << oendl;
     odebug << "ONetwork: This code has been compiled against Wireless Extensions V" << WIRELESS_EXT << oendl;
     synchronize();
 }
 
 void ONetwork::synchronize()
 {
     // gather available interfaces by inspecting /proc/net/dev
     //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices
     //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices
     //FIXME: Best is use SIOCGIFCONF and if this doesn't work (result=-1), then fallback to parsing /proc/net/dev
 
     _interfaces.clear();
     QString str;
     QFile f( "/proc/net/dev" );
     bool hasFile = f.open( IO_ReadOnly );
     if ( !hasFile )
     {
         odebug << "ONetwork: /proc/net/dev not existing. No network devices available" << oendl;
         return;
     }
     QTextStream s( &f );
     s.readLine();
     s.readLine();
     while ( !s.atEnd() )
     {
         s >> str;
         str.truncate( str.find( ':' ) );
         odebug << "ONetwork: found interface '" << str << "'" << oendl;
         ONetworkInterface* iface;
         if ( isWirelessInterface( str ) )
         {
             iface = new OWirelessNetworkInterface( this, (const char*) str );
             odebug << "ONetwork: interface '" << str << "' has Wireless Extensions" << oendl;
         }
         else
         {
             iface = new ONetworkInterface( this, (const char*) str );
         }
         _interfaces.insert( str, iface );
         s.readLine();
     }
 }
 
 
 short ONetwork::wirelessExtensionVersion()
 {
     return WIRELESS_EXT;
 }
 
 
 int ONetwork::count() const
 {
     return _interfaces.count();
 }
 
 
 ONetworkInterface* ONetwork::interface( const QString& iface ) const
 {
     return _interfaces[iface];
 }
 
 
 ONetwork* ONetwork::instance()
 {
     if ( !_instance ) _instance = new ONetwork();
     return _instance;
 }
 
 
 ONetwork::InterfaceIterator ONetwork::iterator() const
 {
     return ONetwork::InterfaceIterator( _interfaces );
 }
 
 
+bool ONetwork::isPresent( const char* name ) const
+{
+    int sfd = socket( AF_INET, SOCK_STREAM, 0 );
+    struct ifreq ifr;
+    memset( &ifr, 0, sizeof( struct ifreq ) );
+    strcpy( (char*) &ifr.ifr_name, name );
+    int result = ::ioctl( sfd, SIOCGIFFLAGS, &ifr );
+    return result != -1;
+}
+
+
 bool ONetwork::isWirelessInterface( const char* name ) const
 {
     int sfd = socket( AF_INET, SOCK_STREAM, 0 );
     struct iwreq iwr;
     memset( &iwr, 0, sizeof( struct iwreq ) );
     strcpy( (char*) &iwr.ifr_name, name );
     int result = ::ioctl( sfd, SIOCGIWNAME, &iwr );
     return result != -1;
 }
 
 /*======================================================================================
  * ONetworkInterface
  *======================================================================================*/
 
 ONetworkInterface::ONetworkInterface( QObject* parent, const char* name )
                  :QObject( parent, name ),
                  _sfd( socket( AF_INET, SOCK_DGRAM, 0 ) ), _mon( 0 )
 {
     odebug << "ONetworkInterface::ONetworkInterface()" << oendl;
     init();
 }
 
 
 struct ifreq& ONetworkInterface::ifr() const
 {
     return _ifr;
 }
 
 
 void ONetworkInterface::init()
 {
     odebug << "ONetworkInterface::init()" << oendl;
 
     memset( &_ifr, 0, sizeof( struct ifreq ) );
 
     if ( _sfd == -1 )
     {
         odebug << "ONetworkInterface::init(): Warning - can't get socket for device '" << name() << "'" << oendl;
         return;
     }
 }
 
 
 bool ONetworkInterface::ioctl( int call, struct ifreq& ifreq ) const
 {
     #ifndef NODEBUG
     int result = ::ioctl( _sfd, call, &ifreq );
     if ( result == -1 )
         odebug << "ONetworkInterface::ioctl (" << name() << ") call '" << debugmapper->map( call )
                << "' FAILED! " << result << " (" << strerror( errno ) << ")" << oendl;
     else
         odebug << "ONetworkInterface::ioctl (" << name() << ") call '" << debugmapper->map( call )
                << "' - Status: Ok." << oendl;
     return ( result != -1 );
     #else
     return ::ioctl( _sfd, call, &ifreq ) != -1;
     #endif
 }
 
 
 bool ONetworkInterface::ioctl( int call ) const
 {
     strcpy( _ifr.ifr_name, name() );
     return ioctl( call, _ifr );
 }
 
 
 bool ONetworkInterface::isLoopback() const
 {
     ioctl( SIOCGIFFLAGS );
     return _ifr.ifr_flags & IFF_LOOPBACK;
 }
 
 
 bool ONetworkInterface::setUp( bool b )
 {
     ioctl( SIOCGIFFLAGS );
     if ( b ) _ifr.ifr_flags |= IFF_UP;
     else   _ifr.ifr_flags &= (~IFF_UP);
     return ioctl( SIOCSIFFLAGS );
 }
 
 
 bool ONetworkInterface::isUp() const
 {
     ioctl( SIOCGIFFLAGS );
     return _ifr.ifr_flags & IFF_UP;
 }
 
 
 void ONetworkInterface::setIPV4Address( const QHostAddress& addr )
 {
     struct sockaddr_in *sa = (struct sockaddr_in *) &_ifr.ifr_addr;
     sa->sin_family = AF_INET;
     sa->sin_port = 0;
     sa->sin_addr.s_addr = htonl( addr.ip4Addr() );