| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 8 | ||||
| -rw-r--r-- | libopie2/opienet/onetwork.h | 20 |
2 files changed, 21 insertions, 7 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index d918193..16fa8ae 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -871,192 +871,200 @@ OStationList* OWirelessNetworkInterface::scanNetwork() 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 = 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
+{
+ int max = _range.max_qual.level;
+ odebug << "signalStrength(): max quality seems to be " << max << "dBM" << oendl;
+ return 50;
+}
+
+
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 )
{
}
/*======================================================================================
* 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";
}
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h index bc9e299..9b8a0d4 100644 --- a/libopie2/opienet/onetwork.h +++ b/libopie2/opienet/onetwork.h @@ -1,512 +1,518 @@ /* This file is part of the Opie Project - Copyright (C) 2003 by Michael 'Mickey' Lauer <mickey@Vanille.de> - =. + Copyright (C) 2003-2004 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; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+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. */ #ifndef ONETWORK_H #define ONETWORK_H #include "wireless.h" /* OPIE */ #include <opie2/onetutils.h> #include <opie2/ostation.h> /* QT */ #include <qvaluelist.h> #include <qdict.h> #include <qmap.h> #include <qobject.h> #include <qhostaddress.h> class ONetworkInterface; class OWirelessNetworkInterface; class OChannelHopper; class OMonitoringInterface; /*====================================================================================== * ONetwork *======================================================================================*/ /** * @brief A container class for all network interfaces * * This class provides access to all available network interfaces of your computer. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONetwork : public QObject { Q_OBJECT - public: + public: typedef QDict<ONetworkInterface> InterfaceMap; typedef QDictIterator<ONetworkInterface> InterfaceIterator; public: /** * @returns the number of available interfaces */ int count() const; /** * @returns a pointer to the (one and only) @ref ONetwork instance. */ static ONetwork* instance(); /** * @returns an iterator usable for iterating through all network interfaces. */ InterfaceIterator iterator() const; /** * @returns true, if the @a interface supports the wireless extension protocol. */ bool isWirelessInterface( const char* interface ) const; /** * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found. * @see ONetworkInterface */ ONetworkInterface* interface( const QString& interface ) const; /** * @internal Rebuild the internal interface database * @note Sometimes it might be useful to call this from client code, * e.g. after issuing a cardctl insert */ void synchronize(); /** * @returns the wireless extension version used at compile time. **/ static short wirelessExtensionVersion(); protected: ONetwork(); private: static ONetwork* _instance; InterfaceMap _interfaces; }; /*====================================================================================== * ONetworkInterface *======================================================================================*/ /** * @brief A network interface wrapper. * * This class provides a wrapper for a network interface. All the cumbersume details of * Linux ioctls are hidden under a convenient high-level interface. * @warning Most of the setting methods contained in this class require the appropriate * process permissions to work. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONetworkInterface : public QObject { friend class OMonitoringInterface; friend class OCiscoMonitoringInterface; friend class OWlanNGMonitoringInterface; friend class OHostAPMonitoringInterface; friend class OOrinocoMonitoringInterface; public: /** * Constructor. Normally you don't create @ref ONetworkInterface objects yourself, * but access them via @ref ONetwork::interface(). */ ONetworkInterface( QObject* parent, const char* name ); /** * Destructor. */ virtual ~ONetworkInterface(); /** * Associates a @a monitoring interface with this network interface. * @note This is currently only useful with @ref OWirelessNetworkInterface objects. */ void setMonitoring( OMonitoringInterface* monitoring ); /** * @returns the currently associated monitoring interface or 0, if no monitoring is associated. */ OMonitoringInterface* monitoring() const; /** * Setting an interface to promiscuous mode enables the device to receive * all packets on the shared medium - as opposed to packets which are addressed to this interface. */ bool setPromiscuousMode( bool ); /** * @returns true if the interface is set to promiscuous mode. */ bool promiscuousMode() const; /** * Setting an interface to up enables it to receive packets. */ bool setUp( bool ); /** * @returns true if the interface is up. */ bool isUp() const; /** * @returns true if the interface is a loopback interface. */ bool isLoopback() const; /** * @returns true if the interface is featuring supports the wireless extension protocol. */ bool isWireless() const; /** * Associate the IP address @ addr with the interface. */ void setIPV4Address( const QHostAddress& addr ); /** * @returns the IPv4 address associated with the interface. */ QString ipV4Address() const; //TODO: make this return an OHostAddress /** * Associate the MAC address @a addr with the interface. * @note It can be necessary to shut down the interface prior to calling this method. * @warning This is not supported by all drivers. */ void setMacAddress( const OMacAddress& addr ); /** * @returns the MAC address associated with the interface. */ OMacAddress macAddress() const; /** * Associate the IPv4 @a netmask with the interface. */ void setIPV4Netmask( const QHostAddress& netmask ); /** * @returns the IPv4 netmask associated with the interface. */ QString ipV4Netmask() const; //TODO: make this return an OHostAddress /** * @returns the data link type currently associated with the interface. * @see #include <net/if_arp.h> for possible values. */ int dataLinkType() const; protected: const int _sfd; mutable ifreq _ifr; OMonitoringInterface* _mon; protected: struct ifreq& ifr() const; virtual void init(); bool ioctl( int call ) const; bool ioctl( int call, struct ifreq& ) const; }; /*====================================================================================== * OChannelHopper *======================================================================================*/ /** * @brief A radio frequency channel hopper. * * This class provides a channel hopper for radio frequencies. A channel hopper frequently * changes the radio frequency channel of its associated @ref OWirelessNetworkInterface. * This is necessary when in monitoring mode and scanning for other devices, because * the radio frequency hardware can only detect packets sent on the same frequency. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class OChannelHopper : public QObject { Q_OBJECT public: /** * Constructor. */ OChannelHopper( OWirelessNetworkInterface* ); /** * Destructor. */ virtual ~OChannelHopper(); /** * @returns true, if the channel hopper is hopping channels */ bool isActive() const; /** * @returns the last hopped channel */ int channel() const; /** * Set the channel hopping @a interval. * An interval of 0 deactivates the channel hopper. */ void setInterval( int interval ); /** * @returns the channel hopping interval */ int interval() const; signals: /** * This signal is emitted right after the channel hopper performed a hop */ void hopped( int ); protected: virtual void timerEvent( QTimerEvent* ); private: OWirelessNetworkInterface* _iface; int _interval; int _tid; QValueList<int> _channels; QValueList<int>::Iterator _channel; }; /*====================================================================================== * OWirelessNetworkInterface *======================================================================================*/ /** * @brief A network interface wrapper for interfaces supporting the wireless extensions protocol. * * This class provides a high-level encapsulation of the Linux wireless extension API. * - * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> + * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class OWirelessNetworkInterface : public ONetworkInterface { friend class OMonitoringInterface; friend class OCiscoMonitoringInterface; friend class OWlanNGMonitoringInterface; friend class OHostAPMonitoringInterface; friend class OOrinocoMonitoringInterface; friend class OPrivateIOCTL; public: /** * Constructor. */ OWirelessNetworkInterface( QObject* parent, const char* name ); /** * Destructor. */ virtual ~OWirelessNetworkInterface(); /** * Setting the @a channel of the interface changes the radio frequency (RF) * of the corresponding wireless network device. * @note Common channel range is within [1-14]. A value of 0 is not allowed. * @see channels() */ virtual void setChannel( int channel ) const; /** * @returns the channel index of the current radio frequency. */ virtual int channel() const; /** * @returns the current radio frequency (in MHz). */ virtual double frequency() const; /** * @returns the number of radio frequency channels for the * corresponding wireless network device. * @note European devices usually have 14 channels, while American typically feature 11 channels. */ virtual int channels() const; /** * Set the IEEE 802.11 operation @a mode. * Valid values are <ul><li>adhoc<li>managed<li>monitor<li>master * @warning Not all drivers support the all modes. * @note You might have to change the SSID to get the operation mode change into effect. */ virtual void setMode( const QString& mode ); /** * @returns the current IEEE 802.11 operation mode. * Possible values are <ul><li>adhoc<li>managed<li>monitor<li>master or <li>unknown * * @note: Important note concerning the 'monitor' mode: * Setting the monitor mode on a wireless network interface enables * listening to IEEE 802.11 data and management frames which normally * are handled by the device firmware. This can be used to detect * other wireless network devices, e.g. Access Points or Ad-hoc stations. * @warning Standard wireless network drives don't support the monitor mode. * @warning You need a patched driver for this to work. * @note Enabling the monitor mode is highly driver dependent and requires * the proper @ref OMonitoringInterface to be associated with the interface. * @see OMonitoringInterface */ virtual QString mode() const; /** * Set the channel hopping @a interval. An @a interval of 0 disables channel hopping. * @see OChannelHopper */ virtual void setChannelHopping( int interval = 0 ); /** * @returns the channel hopping interval or 0, if channel hopping is disabled. */ virtual int channelHopping() const; /** * @returns the @ref OChannelHopper of this interface or 0, if channel hopping has not been activated before */ virtual OChannelHopper* channelHopper() const; /** * Set the station @a nickname. */ virtual void setNickName( const QString& nickname ); /** * @returns the current station nickname. */ virtual QString nickName() const; /** * Invoke the private IOCTL @a command with a @number of parameters on the network interface. * @see OPrivateIOCTL */ virtual void setPrivate( const QString& command, int number, ... ); /** * @returns true if the interface is featuring the private IOCTL @command. */ virtual bool hasPrivate( const QString& command ); virtual void getPrivate( const QString& command ); //FIXME: Implement and document this /** * @returns true if the interface is associated to an access point * @note: This information is only valid if the interface is in managed mode. */ virtual bool isAssociated() const; /** * @returns the MAC address of the Access Point if the device is in infrastructure mode. * @returns a (more or less random) cell ID address if the device is in adhoc mode. */ virtual OMacAddress associatedAP() const; /** * Set the @a ssid (Service Set ID) string. This is used to decide * which network to associate with (use "any" to let the driver decide). */ virtual void setSSID( const QString& ssid ); /** * @returns the current SSID (Service Set ID). */ virtual QString SSID() const; /** * Perform scanning the wireless network neighbourhood. * @note: UNSTABLE API - UNDER CONSTRUCTION - DON'T USE! */ virtual OStationList* scanNetwork(); + /** + * @return signal strength to associated neighbour (in percent). + * In infrastructure mode, this is the signal strength of the Access Point. + * In other modes the result is driver dependent. + */ + virtual int signalStrength() const; /** @internal commit pending changes to the driver * */ void commit() const; protected: void buildInformation(); void buildPrivateList(); void dumpInformation() const; virtual void init(); struct iwreq& iwr() const; bool wioctl( int call ) const; bool wioctl( int call, struct iwreq& ) const; protected: mutable struct iwreq _iwr; QMap<int,int> _channels; struct iw_range _range; private: OChannelHopper* _hopper; }; /*====================================================================================== * OMonitoringInterface *======================================================================================*/ class OMonitoringInterface { public: OMonitoringInterface(); OMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OMonitoringInterface(); public: virtual void setEnabled( bool ); virtual void setChannel( int ); virtual QString name() const = 0; protected: OWirelessNetworkInterface* _if; bool _prismHeader; }; /*====================================================================================== * OCiscoMonitoring *======================================================================================*/ class OCiscoMonitoringInterface : public OMonitoringInterface { public: OCiscoMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OCiscoMonitoringInterface(); virtual void setEnabled( bool ); virtual QString name() const; virtual void setChannel( int ); }; /*====================================================================================== * OWlanNGMonitoringInterface *======================================================================================*/ class OWlanNGMonitoringInterface : public OMonitoringInterface { public: OWlanNGMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OWlanNGMonitoringInterface(); public: virtual void setEnabled( bool ); virtual QString name() const; virtual void setChannel( int ); }; /*====================================================================================== * OHostAPMonitoringInterface *======================================================================================*/ class OHostAPMonitoringInterface : public OMonitoringInterface { public: OHostAPMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OHostAPMonitoringInterface(); |