Diffstat (limited to 'libopie2/opienet/onetwork.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 91 |
1 files changed, 40 insertions, 51 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index a85a510..50c6679 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -211,96 +211,97 @@ 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() ); ioctl( SIOCSIFADDR ); } QString ONetworkInterface::ipV4Address() const { if ( ioctl( SIOCGIFADDR ) ) { struct sockaddr_in* sa = (struct sockaddr_in *) &_ifr.ifr_addr; //FIXME: Use QHostAddress here return QString( inet_ntoa( sa->sin_addr ) ); } else return "<unknown>"; + } void ONetworkInterface::setMacAddress( const OMacAddress& addr ) { _ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER; memcpy( &_ifr.ifr_hwaddr.sa_data, addr.native(), 6 ); ioctl( SIOCSIFHWADDR ); } OMacAddress ONetworkInterface::macAddress() const { if ( ioctl( SIOCGIFHWADDR ) ) { return OMacAddress( _ifr ); } else { return OMacAddress::unknown; } } void ONetworkInterface::setIPV4Netmask( 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() ); ioctl( SIOCSIFNETMASK ); } QString ONetworkInterface::ipV4Netmask() const { if ( ioctl( SIOCGIFNETMASK ) ) { struct sockaddr_in* sa = (struct sockaddr_in *) &_ifr.ifr_addr; //FIXME: Use QHostAddress here return QString( inet_ntoa( sa->sin_addr ) ); } else return "<unknown>"; } int ONetworkInterface::dataLinkType() const @@ -429,120 +430,106 @@ void OChannelHopper::setInterval( int interval ) { _tid = startTimer( interval ); } } int OChannelHopper::interval() const { return _interval; } /*====================================================================================== * OWirelessNetworkInterface *======================================================================================*/ OWirelessNetworkInterface::OWirelessNetworkInterface( QObject* parent, const char* name ) :ONetworkInterface( parent, name ), _hopper( 0 ) { qDebug( "OWirelessNetworkInterface::OWirelessNetworkInterface()" ); init(); } OWirelessNetworkInterface::~OWirelessNetworkInterface() { } struct iwreq& OWirelessNetworkInterface::iwr() const { return _iwr; } void OWirelessNetworkInterface::init() { qDebug( "OWirelessNetworkInterface::init()" ); memset( &_iwr, 0, sizeof( struct iwreq ) ); buildInformation(); buildPrivateList(); dumpInformation(); } bool OWirelessNetworkInterface::isAssociated() const { //FIXME: handle different modes - return associatedAP() != "44:44:44:44:44:44"; + return !(associatedAP() == OMacAddress::unknown); } -QString OWirelessNetworkInterface::associatedAP() const +OMacAddress OWirelessNetworkInterface::associatedAP() const { - //FIXME: use OMacAddress - QString mac; - if ( ioctl( SIOCGIWAP ) ) - { - mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X", - _ifr.ifr_hwaddr.sa_data[0]&0xff, - _ifr.ifr_hwaddr.sa_data[1]&0xff, - _ifr.ifr_hwaddr.sa_data[2]&0xff, - _ifr.ifr_hwaddr.sa_data[3]&0xff, - _ifr.ifr_hwaddr.sa_data[4]&0xff, - _ifr.ifr_hwaddr.sa_data[5]&0xff ); - } + return (const unsigned char*) &_ifr.ifr_hwaddr.sa_data[0]; else - { - mac = "<Unknown>"; - } - return mac; + 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; @@ -643,129 +630,108 @@ void OWirelessNetworkInterface::setChannel( int c ) const { _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 ) { - if ( mode == "auto" ) _iwr.u.mode = IW_MODE_AUTO; - else if ( mode == "adhoc" ) _iwr.u.mode = IW_MODE_ADHOC; - else if ( mode == "managed" ) _iwr.u.mode = IW_MODE_INFRA; - else if ( mode == "master" ) _iwr.u.mode = IW_MODE_MASTER; - else if ( mode == "repeater" ) _iwr.u.mode = IW_MODE_REPEAT; - else if ( mode == "secondary" ) _iwr.u.mode = IW_MODE_SECOND; - else if ( mode == "monitor" ) _iwr.u.mode = IW_MODE_MONITOR; - else - { - qDebug( "ONetwork: Warning! Invalid IEEE 802.11 mode '%s' specified.", (const char*) mode ); - return; - } + _iwr.u.mode = stringToMode( mode ); wioctl( SIOCSIWMODE ); } QString OWirelessNetworkInterface::mode() const { if ( !wioctl( SIOCGIWMODE ) ) { return "<unknown>"; } - switch ( _iwr.u.mode ) - { - case IW_MODE_AUTO: return "auto"; - case IW_MODE_ADHOC: return "adhoc"; - case IW_MODE_INFRA: return "managed"; - case IW_MODE_MASTER: return "master"; - case IW_MODE_REPEAT: return "repeater"; - case IW_MODE_SECOND: return "secondary"; - case IW_MODE_MONITOR: return "monitor"; - default: assert( 0 ); // shouldn't happen - } + return modeToString( _iwr.u.mode ); } void OWirelessNetworkInterface::setMonitorMode( bool b ) { if ( _mon ) _mon->setEnabled( b ); else qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); } 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? } 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, ... ) { @@ -785,195 +751,218 @@ void OWirelessNetworkInterface::setPrivate( const QString& call, int numargs, .. 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 ); } -int OWirelessNetworkInterface::scanNetwork() +OStationList* OWirelessNetworkInterface::scanNetwork() { _iwr.u.param.flags = IW_SCAN_DEFAULT; _iwr.u.param.value = 0; if ( !wioctl( SIOCSIWSCAN ) ) { - return -1; + 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 0; + return stations; } qDebug( " - results are in!" ); dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length ); - int stations = 0; - // 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++; break; - case SIOCGIWMODE: qDebug( "SIOCGIWMODE" ); break; - case SIOCGIWFREQ: qDebug( "SIOCGIWFREQ" ); break; - case SIOCGIWESSID: qDebug( "SIOCGIWESSID" ); break; + 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 0; + 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 ); |