Diffstat (limited to 'libopie2/opienet/onetwork.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 106 |
1 files changed, 62 insertions, 44 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 50c6679..c329e9a 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -484,691 +484,709 @@ 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 ) { qDebug( "OWirelessNetworkInterface::buildInformation(): SIOCGIWRANGE failed (%s) - using default values.", strerror( errno ) ); _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) { qWarning( "OWirelessNetworkInterface::buildInformation(): Driver for wireless interface '%s' sucks!\n" "It overwrote the buffer end with at least %i bytes!\n", name(), max - sizeof( struct iw_range ) ); } // </check if the driver overwrites stuff> struct iw_range range; memcpy( &range, buffer, sizeof range ); qDebug( "OWirelessNetworkInterface::buildInformation(): Interface %s reported to have %d channels.", name(), range.num_frequency ); 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 ); _channels.insert( freq, i+1 ); } } memcpy( &_range, buffer, sizeof( struct iw_range ) ); qDebug( "OWirelessNetworkInterface::buildInformation(): Information block constructed." ); free(buffer); } void OWirelessNetworkInterface::buildPrivateList() { qDebug( "OWirelessNetworkInterface::buildPrivateList()" ); 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 ) ) { qDebug( "OWirelessNetworkInterface::buildPrivateList(): SIOCGIWPRIV failed (%s) - can't get private ioctl information.", strerror( errno ) ); 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 ); } qDebug( "OWirelessNetworkInterface::buildPrivateList(): Private IOCTL list constructed." ); } void OWirelessNetworkInterface::dumpInformation() const { qDebug( "OWirelessNetworkInterface::() -------------- dumping information block ----------------" ); qDebug( " - driver's idea of maximum throughput is %d bps = %d byte/s = %d Kb/s = %f.2 Mb/s", _range.throughput, _range.throughput / 8, _range.throughput / 8 / 1024, float( _range.throughput ) / 8.0 / 1024.0 / 1024.0 ); qDebug( " - driver for '%s' has been compiled against WE V%d (source=V%d)", name(), _range.we_version_compiled, _range.we_version_source ); qDebug( "OWirelessNetworkInterface::() ---------------------------------------------------------" ); } 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 ) { qWarning( "OWirelessNetworkInterface::setChannel( 0 ) called - fix your application!" ); 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::setMode( const QString& mode ) +void OWirelessNetworkInterface::commit() const { - _iwr.u.mode = stringToMode( mode ); - wioctl( SIOCSIWMODE ); + wioctl( SIOCSIWCOMMIT ); } -QString OWirelessNetworkInterface::mode() const +void OWirelessNetworkInterface::setMode( const QString& newMode ) { - if ( !wioctl( SIOCGIWMODE ) ) + #ifdef FINALIZE + QString currentMode = mode(); + if ( currentMode == newMode ) return; + #endif + + qDebug( "OWirelessNetworkInterface::setMode(): trying to set mode '%s' (%d)", (const char*) newMode, stringToMode( newMode ) ); + + _iwr.u.mode = stringToMode( newMode ); + + if ( _iwr.u.mode != IW_MODE_MONITOR ) { - return "<unknown>"; + // 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" ) + { + qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not sufficient - trying fallback to iwpriv..." ); + if ( _mon ) + _mon->setEnabled( false ); + else + qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); + } + + } + else // special iwpriv fallback for monitor mode + { + if ( wioctl( SIOCSIWMODE ) ) + { + qDebug( "OWirelessNetworkInterface::setMode(): IW_MODE_MONITOR ok" ); + } + else + { + qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not working - trying fallback to iwpriv..." ); + + if ( _mon ) + _mon->setEnabled( true ); + else + qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); + } } - return modeToString( _iwr.u.mode ); } -void OWirelessNetworkInterface::setMonitorMode( bool b ) +QString OWirelessNetworkInterface::mode() const { - if ( _mon ) - _mon->setEnabled( b ); - else - qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); -} + memset( &_iwr, 0, sizeof( struct iwreq ) ); + + if ( !wioctl( SIOCGIWMODE ) ) + { + return "<unknown>"; + } + qDebug( "DEBUG: WE's idea of current mode seems to be '%s'", (const char*) modeToString( _iwr.u.mode ) ); -bool OWirelessNetworkInterface::monitorMode() const -{ - qDebug( "dataLinkType = %d", dataLinkType() ); - return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 ); - //FIXME: 802 is the header type for PRISM - Linux support for this is pending... - //FIXME: What is 119, by the way? -} + // 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 ) { qDebug( "OWirelessNetworkInterface::setPrivate(): interface '%s' does not support private ioctl '%s'", name(), (const char*) call ); return; } if ( priv->numberSetArgs() != numargs ) { qDebug( "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '%s' expects %d arguments, but got %d", (const char*) call, priv->numberSetArgs(), numargs ); return; } qDebug( "OWirelessNetworkInterface::setPrivate(): about to call '%s' on interface '%s'", (const char*) call, name() ); 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 ) { qWarning( "OWirelessNetworkInterface::getPrivate() is not implemented yet." ); } bool OWirelessNetworkInterface::hasPrivate( const QString& call ) { return child( (const char*) call ); } 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; qDebug( "ONetworkInterface::scanNetwork() - scan started." ); 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) { qDebug( "ONetworkInterface::scanNetwork() - scan in progress..." ); #if 0 if ( qApp ) { qApp->processEvents( 100 ); continue; } #endif tv.tv_sec = 0; tv.tv_usec = 100000; continue; } } qDebug( "ONetworkInterface::scanNetwork() - scan finished." ); if ( results ) { qDebug( " - result length = %d", _iwr.u.data.length ); if ( !_iwr.u.data.length ) { qDebug( " - no results (empty neighbourhood)" ); return stations; } qDebug( " - results are in!" ); 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>"; qDebug( "reading next event... cmd=%d, len=%d", we->cmd, we->len ); switch (we->cmd) { case SIOCGIWAP: { qDebug( "SIOCGIWAP" ); stations->append( new OStation() ); stations->last()->macAddress = (const unsigned char*) &we->u.ap_addr.sa_data[0]; break; } case SIOCGIWMODE: { qDebug( "SIOCGIWMODE" ); stations->last()->type = modeToString( we->u.mode ); break; } case SIOCGIWFREQ: { qDebug( "SIOCGIWFREQ" ); stations->last()->channel = _channels[ static_cast<int>(double( we->u.freq.m ) * pow( 10.0, we->u.freq.e ) / 1000000) ]; break; } case SIOCGIWESSID: { qDebug( "SIOCGIWESSID" ); stations->last()->ssid = we->u.essid.pointer; break; } case SIOCGIWSENS: qDebug( "SIOCGIWSENS" ); break; case SIOCGIWENCODE: qDebug( "SIOCGIWENCODE" ); break; case IWEVTXDROP: qDebug( "IWEVTXDROP" ); break; /* Packet dropped to excessive retry */ case IWEVQUAL: qDebug( "IWEVQUAL" ); break; /* Quality part of statistics (scan) */ case IWEVCUSTOM: qDebug( "IWEVCUSTOM" ); break; /* Driver specific ascii string */ case IWEVREGISTERED: qDebug( "IWEVREGISTERED" ); break; /* Discovered a new node (AP mode) */ case IWEVEXPIRED: qDebug( "IWEVEXPIRED" ); break; /* Expired a node (AP mode) */ default: qDebug( "unhandled event" ); } offset += we->len; we = (struct iw_event*) &buffer[offset]; } return stations; } else { qDebug( " - no results (timeout) :(" ); return stations; } } bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const { #ifndef NODEBUG int result = ::ioctl( _sfd, call, &iwreq ); if ( result == -1 ) qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Failed: %d (%s)", name(), (const char*) *(*_ioctlmap)[call], call, result, strerror( errno ) ); else qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) *(*_ioctlmap)[call], call ); 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 ); } -bool OMonitoringInterface::enabled() const -{ - return _if->monitorMode(); -} - - void OMonitoringInterface::setEnabled( bool b ) { } /*====================================================================================== * OCiscoMonitoringInterface *======================================================================================*/ OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OCiscoMonitoringInterface::~OCiscoMonitoringInterface() { } 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 ) { - // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15 - // Wireless Extensions < Version 15 need iwpriv commandos for monitoring - - #if WIRELESS_EXT > 14 - if ( b ) - _if->setMode( "monitor" ); // IW_MODE_MONITOR doesn't support prism header - else - _if->setMode( "managed" ); - #else int monitorCode = _prismHeader ? 1 : 2; if ( b ) { _if->setPrivate( "monitor", 1, monitorCode ); } else { _if->setPrivate( "monitor", 1, 0 ); } - #endif } 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 ) { int monitorCode = _prismHeader ? 1 : 2; _if->setPrivate( "monitor", 2, monitorCode, c ); } void OOrinocoMonitoringInterface::setEnabled( bool b ) { // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15 // Wireless Extensions < Version 15 need iwpriv commandos for monitoring // However, as of recent orinoco drivers, IW_MODE_MONITOR is still not supported - #if 0 - //#if WIRELESS_EXT > 14 - if ( b ) - _if->setMode( "monitor" ); // IW_MODE_MONITOR doesn't support prism header - else - _if->setMode( "managed" ); - #else if ( b ) { setChannel( 1 ); } else { _if->setPrivate( "monitor", 2, 0, 0 ); } - #endif } QString OOrinocoMonitoringInterface::name() const { return "orinoco"; } |