| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 171a2bc..591681c 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -453,806 +453,806 @@ int OChannelHopper::interval() const /*====================================================================================== * OWirelessNetworkInterface *======================================================================================*/ OWirelessNetworkInterface::OWirelessNetworkInterface( QObject* parent, const char* name ) :ONetworkInterface( parent, name ), _hopper( 0 ) { odebug << "OWirelessNetworkInterface::OWirelessNetworkInterface()" << oendl; init(); } OWirelessNetworkInterface::~OWirelessNetworkInterface() { } struct iwreq& OWirelessNetworkInterface::iwr() const { return _iwr; } void OWirelessNetworkInterface::init() { odebug << "OWirelessNetworkInterface::init()" << oendl; memset( &_iwr, 0, sizeof( struct iwreq ) ); buildInformation(); buildPrivateList(); dumpInformation(); } bool OWirelessNetworkInterface::isAssociated() const { //FIXME: handle different modes return !(associatedAP() == OMacAddress::unknown); } OMacAddress OWirelessNetworkInterface::associatedAP() const { if ( ioctl( SIOCGIWAP ) ) return (const unsigned char*) &_ifr.ifr_hwaddr.sa_data[0]; else return OMacAddress::unknown; } void OWirelessNetworkInterface::buildInformation() { //ML: If you listen carefully enough, you can hear lots of WLAN drivers suck //ML: The HostAP drivers need more than sizeof struct_iw range to complete //ML: SIOCGIWRANGE otherwise they fail with "Invalid Argument Length". //ML: The Wlan-NG drivers on the otherside fail (segfault!) if you allocate //ML: _too much_ space. This is damn shitty crap *sigh* //ML: We allocate a large memory region in RAM and check whether the //ML: driver pollutes this extra space. The complaint will be made on stdout, //ML: so please forward this... struct iwreq wrq; int len = sizeof( struct iw_range )*2; char *buffer = (char*) malloc( len ); //FIXME: Validate if we actually got the memory block memset( buffer, 0, len ); memcpy( wrq.ifr_name, name(), IFNAMSIZ); wrq.u.data.pointer = (caddr_t) buffer; wrq.u.data.length = sizeof( struct iw_range ); wrq.u.data.flags = 0; if ( ::ioctl( _sfd, SIOCGIWRANGE, &wrq ) == -1 ) { owarn << "OWirelessNetworkInterface::buildInformation(): Can't get channel information - using default values." << oendl; _channels.insert( 2412, 1 ); // 2.412 GHz _channels.insert( 2417, 2 ); // 2.417 GHz _channels.insert( 2422, 3 ); // 2.422 GHz _channels.insert( 2427, 4 ); // 2.427 GHz _channels.insert( 2432, 5 ); // 2.432 GHz _channels.insert( 2437, 6 ); // 2.437 GHz _channels.insert( 2442, 7 ); // 2.442 GHz _channels.insert( 2447, 8 ); // 2.447 GHz _channels.insert( 2452, 9 ); // 2.452 GHz _channels.insert( 2457, 10 ); // 2.457 GHz _channels.insert( 2462, 11 ); // 2.462 GHz memset( &_range, 0, sizeof( struct iw_range ) ); } else { // <check if the driver overwrites stuff> int max = 0; for ( int r = sizeof( struct iw_range ); r < len; r++ ) if (buffer[r] != 0) max = r; if (max > 0) { owarn << "OWirelessNetworkInterface::buildInformation(): Driver for wireless interface '" << name() << "' sucks! It overwrote the buffer end with at least " << max - sizeof( struct iw_range ) << " bytes!" << oendl; } // </check if the driver overwrites stuff> struct iw_range range; memcpy( &range, buffer, sizeof range ); odebug << "OWirelessNetworkInterface::buildInformation(): Interface reported to have " << (int) range.num_frequency << " channels." << oendl; for ( int i = 0; i < range.num_frequency; ++i ) { int freq = (int) ( double( range.freq[i].m ) * pow( 10.0, range.freq[i].e ) / 1000000.0 ); odebug << "OWirelessNetworkInterface::buildInformation: Adding frequency " << freq << " as channel " << i+1 << oendl; _channels.insert( freq, i+1 ); } } memcpy( &_range, buffer, sizeof( struct iw_range ) ); odebug << "OWirelessNetworkInterface::buildInformation(): Information block constructed." << oendl; free(buffer); } short OWirelessNetworkInterface::wirelessExtensionDriverVersion() const { return _range.we_version_compiled; } void OWirelessNetworkInterface::buildPrivateList() { odebug << "OWirelessNetworkInterface::buildPrivateList()" << oendl; struct iw_priv_args priv[IW_MAX_PRIV_DEF]; _iwr.u.data.pointer = (char*) &priv; _iwr.u.data.length = IW_MAX_PRIV_DEF; // length in terms of number of (sizeof iw_priv_args), not (sizeof iw_priv_args) itself _iwr.u.data.flags = 0; if ( !wioctl( SIOCGIWPRIV ) ) { owarn << "OWirelessNetworkInterface::buildPrivateList(): Can't get private ioctl information." << oendl; return; } for ( int i = 0; i < _iwr.u.data.length; ++i ) { new OPrivateIOCTL( this, priv[i].name, priv[i].cmd, priv[i].get_args, priv[i].set_args ); } odebug << "OWirelessNetworkInterface::buildPrivateList(): Private ioctl list constructed." << oendl; } void OWirelessNetworkInterface::dumpInformation() const { odebug << "OWirelessNetworkInterface::() -------------- dumping information block ----------------" << oendl; odebug << " - driver's idea of maximum throughput is " << _range.throughput << " bps = " << ( _range.throughput / 8 ) << " byte/s = " << ( _range.throughput / 8 / 1024 ) << " Kb/s = " << QString().sprintf("%f.2", float( _range.throughput ) / 8.0 / 1024.0 / 1024.0 ) << " Mb/s" << oendl; odebug << " - driver for '" << name() << "' (V" << _range.we_version_source << ") has been compiled against WE V" << _range.we_version_compiled << oendl; if ( _range.we_version_compiled != WIRELESS_EXT ) { owarn << "Version mismatch! WE_DRIVER = " << _range.we_version_compiled << " and WE_OPIENET = " << WIRELESS_EXT << oendl; } odebug << "OWirelessNetworkInterface::() ---------------------------------------------------------" << oendl; } int OWirelessNetworkInterface::channel() const { //FIXME: When monitoring enabled, then use it //FIXME: to gather the current RF channel //FIXME: Until then, get active channel from hopper. if ( _hopper && _hopper->isActive() ) return _hopper->channel(); if ( !wioctl( SIOCGIWFREQ ) ) { return -1; } else { return _channels[ static_cast<int>(double( _iwr.u.freq.m ) * pow( 10.0, _iwr.u.freq.e ) / 1000000) ]; } } void OWirelessNetworkInterface::setChannel( int c ) const { if ( !c ) { oerr << "OWirelessNetworkInterface::setChannel( 0 ) called - fix your application!" << oendl; return; } if ( !_mon ) { memset( &_iwr, 0, sizeof( struct iwreq ) ); _iwr.u.freq.m = c; _iwr.u.freq.e = 0; wioctl( SIOCSIWFREQ ); } else { _mon->setChannel( c ); } } double OWirelessNetworkInterface::frequency() const { if ( !wioctl( SIOCGIWFREQ ) ) { return -1.0; } else { 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 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& call ) +void OWirelessNetworkInterface::getPrivate( const QString& ) { oerr << "OWirelessNetworkInterface::getPrivate() is not implemented yet." << oendl; } bool OWirelessNetworkInterface::hasPrivate( const QString& call ) { - return child( (const char*) 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 { return str; } } void OWirelessNetworkInterface::setSSID( const QString& ssid ) { _iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid ); _iwr.u.essid.length = ssid.length(); 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 = 1000000; 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 0 if ( qApp ) { qApp->processEvents( 100 ); continue; } #endif 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 int offset = 0; struct iw_event* we = (struct iw_event*) &buffer[0]; while ( offset < _iwr.u.data.length ) { //const char* cmd = *(*_ioctlmap)[we->cmd]; //if ( !cmd ) cmd = "<unknown>"; odebug << " - reading next event... cmd=" << we->cmd << ", len=" << we->len << oendl; switch (we->cmd) { case SIOCGIWAP: { odebug << "SIOCGIWAP" << oendl; stations->append( new OStation() ); stations->last()->macAddress = (const unsigned char*) &we->u.ap_addr.sa_data[0]; break; } case SIOCGIWMODE: { odebug << "SIOCGIWMODE" << oendl; stations->last()->type = modeToString( we->u.mode ); break; } case SIOCGIWFREQ: { odebug << "SIOCGIWFREQ" << oendl; stations->last()->channel = _channels[ static_cast<int>(double( we->u.freq.m ) * pow( 10.0, we->u.freq.e ) / 1000000) ]; break; } case SIOCGIWESSID: { odebug << "SIOCGIWESSID" << oendl; stations->last()->ssid = static_cast<const char*>( we->u.essid.pointer ); break; } case SIOCGIWSENS: odebug << "SIOCGIWSENS" << oendl; break; case SIOCGIWENCODE: odebug << "SIOCGIWENCODE" << oendl; break; case IWEVTXDROP: odebug << "IWEVTXDROP" << oendl; break; /* Packet dropped to excessive retry */ case IWEVQUAL: odebug << "IWEVQUAL" << oendl; break; /* Quality part of statistics (scan) */ case IWEVCUSTOM: odebug << "IWEVCUSTOM" << oendl; break; /* Driver specific ascii string */ case IWEVREGISTERED: odebug << "IWEVREGISTERED" << oendl; break; /* Discovered a new node (AP mode) */ case IWEVEXPIRED: odebug << "IWEVEXPIRED" << oendl; break; /* Expired a node (AP mode) */ default: odebug << "unhandled event" << oendl; } offset += we->len; we = (struct iw_event*) &buffer[offset]; } return stations; return stations; } else { odebug << " - no results (timeout) :(" << oendl; return stations; } } int OWirelessNetworkInterface::signalStrength() const { iw_statistics stat; ::memset( &stat, 0, sizeof stat ); _iwr.u.data.pointer = (char*) &stat; _iwr.u.data.flags = 0; _iwr.u.data.length = sizeof stat; if ( !wioctl( SIOCGIWSTATS ) ) { return -1; } int max = _range.max_qual.qual; int cur = stat.qual.qual; - int lev = stat.qual.level; //FIXME: Do something with them? - int noi = stat.qual.noise; //FIXME: Do something with them? +// int lev = stat.qual.level; //FIXME: Do something with them? +// int noi = stat.qual.noise; //FIXME: Do something with them? return max != 0 ? cur*100/max: -1; } bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const { #ifndef NODEBUG int result = ::ioctl( _sfd, call, &iwreq ); if ( result == -1 ) odebug << "ONetworkInterface::wioctl (" << name() << ") call '" << debugmapper->map( call ) << "' FAILED! " << result << " (" << strerror( errno ) << ")" << oendl; else odebug << "ONetworkInterface::wioctl (" << name() << ") call '" << debugmapper->map( call ) << "' - Status: Ok." << oendl; return ( result != -1 ); #else return ::ioctl( _sfd, call, &iwreq ) != -1; #endif } bool OWirelessNetworkInterface::wioctl( int call ) const { strcpy( _iwr.ifr_name, name() ); return wioctl( call, _iwr ); } /*====================================================================================== * OMonitoringInterface *======================================================================================*/ OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :_if( static_cast<OWirelessNetworkInterface*>( iface ) ), _prismHeader( prismHeader ) { } OMonitoringInterface::~OMonitoringInterface() { } void OMonitoringInterface::setChannel( int c ) { // use standard WE channel switching protocol memset( &_if->_iwr, 0, sizeof( struct iwreq ) ); _if->_iwr.u.freq.m = c; _if->_iwr.u.freq.e = 0; _if->wioctl( SIOCSIWFREQ ); } -void OMonitoringInterface::setEnabled( bool b ) +void OMonitoringInterface::setEnabled( bool ) { } /*====================================================================================== * OCiscoMonitoringInterface *======================================================================================*/ OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OCiscoMonitoringInterface::~OCiscoMonitoringInterface() { } -void OCiscoMonitoringInterface::setEnabled( bool b ) +void OCiscoMonitoringInterface::setEnabled( bool /*b*/ ) { QString fname; fname.sprintf( "/proc/driver/aironet/%s", (const char*) _if->name() ); QFile f( fname ); if ( !f.exists() ) return; if ( f.open( IO_WriteOnly ) ) { QTextStream s( &f ); s << "Mode: r"; s << "Mode: y"; s << "XmitPower: 1"; } // flushing and closing will be done automatically when f goes out of scope } QString OCiscoMonitoringInterface::name() const { return "cisco"; } void OCiscoMonitoringInterface::setChannel( int ) { // cisco devices automatically switch channels when in monitor mode } /*====================================================================================== * OWlanNGMonitoringInterface *======================================================================================*/ OWlanNGMonitoringInterface::OWlanNGMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OWlanNGMonitoringInterface::~OWlanNGMonitoringInterface() { } void OWlanNGMonitoringInterface::setEnabled( bool b ) { //FIXME: do nothing if its already in the same mode QString enable = b ? "true" : "false"; QString prism = _prismHeader ? "true" : "false"; QString cmd; cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s", (const char*) _if->name(), 1, (const char*) enable, (const char*) prism ); system( cmd ); } QString OWlanNGMonitoringInterface::name() const { return "wlan-ng"; } void OWlanNGMonitoringInterface::setChannel( int c ) { //NOTE: Older wlan-ng drivers automatically hopped channels while lnxreq_wlansniff=true. Newer ones don't. QString enable = "true"; //_if->monitorMode() ? "true" : "false"; QString prism = _prismHeader ? "true" : "false"; QString cmd; cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s", (const char*) _if->name(), c, (const char*) enable, (const char*) prism ); system( cmd ); } /*====================================================================================== * OHostAPMonitoringInterface *======================================================================================*/ OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OHostAPMonitoringInterface::~OHostAPMonitoringInterface() { } void OHostAPMonitoringInterface::setEnabled( bool b ) { int monitorCode = _prismHeader ? 1 : 2; if ( b ) { _if->setPrivate( "monitor", 1, monitorCode ); } else { _if->setPrivate( "monitor", 1, 0 ); } } QString OHostAPMonitoringInterface::name() const { return "hostap"; } /*====================================================================================== * OOrinocoNetworkInterface *======================================================================================*/ OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface() { } void OOrinocoMonitoringInterface::setChannel( int c ) { if ( !_if->hasPrivate( "monitor" ) ) { this->OMonitoringInterface::setChannel( c ); } else { int monitorCode = _prismHeader ? 1 : 2; _if->setPrivate( "monitor", 2, monitorCode, c ); } } void OOrinocoMonitoringInterface::setEnabled( bool b ) { if ( b ) { setChannel( 1 ); } else { _if->setPrivate( "monitor", 2, 0, 0 ); } } QString OOrinocoMonitoringInterface::name() const { return "orinoco"; } } } |