- OManufacturerDB: check if there is a QApplication before calling Global::statusMessage or qApp->processEvents()

- ONetwork: skip hostap control interfaces 'wifi*'
- OWirelessNetworkInterface: set \0 in SSID() and nickName() to work around (buggy) drivers not returning a
zero-terminated string

1 files changed, 8 insertions, 1 deletions

diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 0a74019..f4bdbe0 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -1,234 +1,240 @@
 /*
                              This file is part of the Opie Project
                              Copyright (C) 2003-2005 by Michael 'Mickey' Lauer <mickey@Vanille.de>
               =.
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; version 2 of the License.
      ._= =}       :
     .%`+i>       _;_.
     .i_,=:_.      -<s.       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
 ..}^=.=       =       ;      Library General Public License for more
 ++=   -.     .`     .:       details.
  :     =  ...= . :.=-
  -.   .:....=;==+<;          You should have received a copy of the GNU
   -_. . .   )=.  =           Library General Public License along with
     --        :-=`           this library; see the file COPYING.LIB.
                              If not, write to the Free Software Foundation,
                              Inc., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 /* OPIE */
 
 #include <opie2/onetwork.h>
 #include <opie2/ostation.h>
 #include <opie2/odebug.h>
 
 /* QT */
 
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qapplication.h>
 
 /* UNIX */
 
 #include <assert.h>
 #include <arpa/inet.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <math.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <linux/sockios.h>
 #include <net/if_arp.h>
 #include <net/ethernet.h>
 #include <stdarg.h>
 
 #ifndef NODEBUG
 #include <opie2/odebugmapper.h>
 
 using namespace Opie::Core;
 using namespace Opie::Net::Internal;
 DebugMapper* debugmapper = new DebugMapper();
 #endif
 
 /*======================================================================================
  * ONetwork
  *======================================================================================*/
 
 namespace Opie {
 namespace Net  {
 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;
+        if ( str.startsWith( "wifi" ) )
+        {
+            odebug << "ONetwork: ignoring hostap control interface" << oendl;
+            s.readLine();
+            continue;
+        }
         ONetworkInterface* iface = 0;
         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::wirelessExtensionCompileVersion()
 {
     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 );
@@ -683,314 +689,315 @@ double OWirelessNetworkInterface::frequency() const
         return double( _iwr.u.freq.m ) * pow( 10.0, _iwr.u.freq.e ) / 1000000000.0;
     }
 }
 
 
 int OWirelessNetworkInterface::channels() const
 {
     return _channels.count();
 }
 
 
 void OWirelessNetworkInterface::setChannelHopping( int interval )
 {
     if ( !_hopper ) _hopper = new OChannelHopper( this );
     _hopper->setInterval( interval );
     //FIXME: When and by whom will the channel hopper be deleted?
     //TODO: rely on QObject hierarchy
 }
 
 
 int OWirelessNetworkInterface::channelHopping() const
 {
     return _hopper->interval();
 }
 
 
 OChannelHopper* OWirelessNetworkInterface::channelHopper() const
 {
     return _hopper;
 }
 
 
 void OWirelessNetworkInterface::commit() const
 {
     wioctl( SIOCSIWCOMMIT );
 }
 
 
 void OWirelessNetworkInterface::setMode( const QString& newMode )
 {
     #ifdef FINALIZE
     QString currentMode = mode();
     if ( currentMode == newMode ) return;
     #endif
 
     odebug << "OWirelessNetworkInterface::setMode(): trying to set mode " << newMode << oendl;
 
     _iwr.u.mode = stringToMode( newMode );
 
     if ( _iwr.u.mode != IW_MODE_MONITOR )
     {
         // IWR.U.MODE WIRD DURCH ABFRAGE DES MODE HIER PLATTGEMACHT!!!!!!!!!!!!!!!!!!!!! DEPP!
         _iwr.u.mode = stringToMode( newMode );
         wioctl( SIOCSIWMODE );
 
         // special iwpriv fallback for monitor mode (check if we're really out of monitor mode now)
 
         if ( mode() == "monitor" )
         {
             odebug << "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not sufficient - trying fallback to iwpriv..." << oendl;
             if ( _mon )
                 _mon->setEnabled( false );
             else
                 odebug << "ONetwork(): can't switch monitor mode without installed monitoring interface" << oendl;
         }
 
     }
     else    // special iwpriv fallback for monitor mode
     {
         if ( wioctl( SIOCSIWMODE ) )
         {
             odebug << "OWirelessNetworkInterface::setMode(): IW_MODE_MONITOR ok" << oendl;
         }
         else
         {
             odebug << "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not working - trying fallback to iwpriv..." << oendl;
 
             if ( _mon )
                 _mon->setEnabled( true );
             else
                 odebug << "ONetwork(): can't switch monitor mode without installed monitoring interface" << oendl;
         }
     }
 }
 
 
 QString OWirelessNetworkInterface::mode() const
 {
     memset( &_iwr, 0, sizeof( struct iwreq ) );
 
     if ( !wioctl( SIOCGIWMODE ) )
     {
         return "<unknown>";
     }
 
     odebug << "OWirelessNetworkInterface::setMode(): WE's idea of current mode seems to be " << modeToString( _iwr.u.mode ) << oendl;
 
     // legacy compatible monitor mode check
 
     if ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 )
     {
         return "monitor";
     }
     else
     {
         return modeToString( _iwr.u.mode );
     }
 }
 
 void OWirelessNetworkInterface::setNickName( const QString& nickname )
 {
     _iwr.u.essid.pointer = const_cast<char*>( (const char*) nickname );
     _iwr.u.essid.length = nickname.length();
     wioctl( SIOCSIWNICKN );
 }
 
 
 QString OWirelessNetworkInterface::nickName() const
 {
     char str[IW_ESSID_MAX_SIZE];
     _iwr.u.data.pointer = &str[0];
     _iwr.u.data.length = IW_ESSID_MAX_SIZE;
     if ( !wioctl( SIOCGIWNICKN ) )
     {
         return "<unknown>";
     }
     else
     {
-        str[_iwr.u.data.length] = 0x0; // some drivers (e.g. wlan-ng) don't zero-terminate the string
+        str[_iwr.u.data.length] = '\0'; // some drivers don't zero-terminate the string
         return str;
     }
 }
 
 
 void OWirelessNetworkInterface::setPrivate( const QString& call, int numargs, ... )
 {
     OPrivateIOCTL* priv = static_cast<OPrivateIOCTL*>( child( (const char*) call ) );
     if ( !priv )
     {
         owarn << "OWirelessNetworkInterface::setPrivate(): interface '" << name()
               << "' does not support private ioctl '" << call << "'" << oendl;
         return;
     }
     if ( priv->numberSetArgs() != numargs )
     {
         owarn << "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '"
               << call << "' expects " << priv->numberSetArgs() << ", but got " << numargs << oendl;
         return;
     }
 
     odebug << "OWirelessNetworkInterface::setPrivate(): about to call '" << call << "' on interface '" << name() << "'" << oendl;
     memset( &_iwr, 0, sizeof _iwr );
     va_list argp;
     va_start( argp, numargs );
     for ( int i = 0; i < numargs; ++i )
     {
         priv->setParameter( i, va_arg( argp, int ) );
     }
     va_end( argp );
     priv->invoke();
 }
 
 
 void OWirelessNetworkInterface::getPrivate( const QString&  )
 {
     oerr << "OWirelessNetworkInterface::getPrivate() is not implemented yet." << oendl;
 }
 
 
 bool OWirelessNetworkInterface::hasPrivate( const QString& call )
 {
     return child( call.local8Bit() );
 }
 
 
 QString OWirelessNetworkInterface::SSID() const
 {
     char str[IW_ESSID_MAX_SIZE];
     _iwr.u.essid.pointer = &str[0];
     _iwr.u.essid.length = IW_ESSID_MAX_SIZE;
     if ( !wioctl( SIOCGIWESSID ) )
     {
         return "<unknown>";
     }
     else
     {
+        str[_iwr.u.essid.length] = '\0'; // some drivers don't zero-terminate the string
         return str;
     }
 }
 
 
 void OWirelessNetworkInterface::setSSID( const QString& ssid )
 {
     _iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid );
     _iwr.u.essid.length = ssid.length()+1; // zero byte
     wioctl( SIOCSIWESSID );
 }
 
 
 OStationList* OWirelessNetworkInterface::scanNetwork()
 {
     _iwr.u.param.flags = IW_SCAN_DEFAULT;
     _iwr.u.param.value = 0;
     if ( !wioctl( SIOCSIWSCAN ) )
     {
         return 0;
     }
 
     OStationList* stations = new OStationList();
 
     int timeout = 10000000;
 
     odebug << "ONetworkInterface::scanNetwork() - scan started." << oendl;
 
     bool results = false;
     struct timeval tv;
     tv.tv_sec = 0;
     tv.tv_usec = 250000; // initial timeout ~ 250ms
     char buffer[IW_SCAN_MAX_DATA];
 
     while ( !results && timeout > 0 )
     {
         timeout -= tv.tv_usec;
         select( 0, 0, 0, 0, &tv );
 
         _iwr.u.data.pointer = &buffer[0];
         _iwr.u.data.flags = 0;
         _iwr.u.data.length = sizeof buffer;
         if ( wioctl( SIOCGIWSCAN ) )
         {
             results = true;
             continue;
         }
         else if ( errno == EAGAIN)
         {
             odebug << "ONetworkInterface::scanNetwork() - scan in progress..." << oendl;
             if ( qApp )
             {
                 qApp->processEvents( 100 );
                 continue;
             }
             tv.tv_sec = 0;
             tv.tv_usec = 100000;
             continue;
         }
     }
 
     odebug << "ONetworkInterface::scanNetwork() - scan finished." << oendl;
 
     if ( results )
     {
         odebug << " - result length = " << _iwr.u.data.length << oendl;
         if ( !_iwr.u.data.length )
         {
             odebug << " - no results (empty neighbourhood)" << oendl;
             return stations;
         }
 
         odebug << " - results are in!" << oendl;
         dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length );
 
         // parse results
         struct iw_event iwe;
         struct iw_stream_descr stream;
         unsigned int cmd_index, event_type, event_len;
         char *pointer;
 
         const char standard_ioctl_hdr[] = {
                 IW_HEADER_TYPE_NULL,    /* SIOCSIWCOMMIT */
                 IW_HEADER_TYPE_CHAR,    /* SIOCGIWNAME */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWNWID */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWNWID */
                 IW_HEADER_TYPE_FREQ,    /* SIOCSIWFREQ */
                 IW_HEADER_TYPE_FREQ,    /* SIOCGIWFREQ */
                 IW_HEADER_TYPE_UINT,    /* SIOCSIWMODE */
                 IW_HEADER_TYPE_UINT,    /* SIOCGIWMODE */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWSENS */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWSENS */
                 IW_HEADER_TYPE_NULL,    /* SIOCSIWRANGE */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWRANGE */
                 IW_HEADER_TYPE_NULL,    /* SIOCSIWPRIV */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWPRIV */
                 IW_HEADER_TYPE_NULL,    /* SIOCSIWSTATS */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWSTATS */
                 IW_HEADER_TYPE_POINT,   /* SIOCSIWSPY */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWSPY */
                 IW_HEADER_TYPE_POINT,   /* SIOCSIWTHRSPY */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWTHRSPY */
                 IW_HEADER_TYPE_ADDR,    /* SIOCSIWAP */
                 IW_HEADER_TYPE_ADDR,    /* SIOCGIWAP */
                 IW_HEADER_TYPE_NULL,    /* -- hole -- */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWAPLIST */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWSCAN */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWSCAN */
                 IW_HEADER_TYPE_POINT,   /* SIOCSIWESSID */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWESSID */
                 IW_HEADER_TYPE_POINT,   /* SIOCSIWNICKN */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWNICKN */
                 IW_HEADER_TYPE_NULL,    /* -- hole -- */
                 IW_HEADER_TYPE_NULL,    /* -- hole -- */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWRATE */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWRATE */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWRTS */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWRTS */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWFRAG */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWFRAG */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWTXPOW */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWTXPOW */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWRETRY */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWRETRY */
                 IW_HEADER_TYPE_POINT,   /* SIOCSIWENCODE */
                 IW_HEADER_TYPE_POINT,   /* SIOCGIWENCODE */
                 IW_HEADER_TYPE_PARAM,   /* SIOCSIWPOWER */
                 IW_HEADER_TYPE_PARAM,   /* SIOCGIWPOWER */