| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 2384 | ||||
| -rw-r--r-- | libopie2/opienet/opcap.cpp | 2637 | ||||
| -rw-r--r-- | libopie2/opienet/ostation.cpp | 7 |
3 files changed, 2517 insertions, 2511 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 6a9280f..d918193 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -1,1188 +1,1196 @@ -/* - This file is part of the Opie Project - Copyright (C) 2003 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. - -*/ - -/* OPIE */ - -#include <opie2/onetwork.h> -#include <opie2/ostation.h> - -/* QT */ - -#include <qfile.h> -#include <qtextstream.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 <stdarg.h> - -#ifndef NODEBUG -#include <opie2/odebugmapper.h> -DebugMapper* debugmapper = new DebugMapper(); -#endif - -/*====================================================================================== - * ONetwork - *======================================================================================*/ - -ONetwork* ONetwork::_instance = 0; - -ONetwork::ONetwork() -{ - qDebug( "ONetwork::ONetwork()" ); - qDebug( "ONetwork: This code has been compiled against Wireless Extensions V%d", WIRELESS_EXT ); - 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 ) - { - qDebug( "ONetwork: /proc/net/dev not existing. No network devices available" ); - return; - } - QTextStream s( &f ); - s.readLine(); - s.readLine(); - while ( !s.atEnd() ) - { - s >> str; - str.truncate( str.find( ':' ) ); - qDebug( "ONetwork: found interface '%s'", (const char*) str ); - ONetworkInterface* iface; - if ( isWirelessInterface( str ) ) - { - iface = new OWirelessNetworkInterface( this, (const char*) str ); - qDebug( "ONetwork: interface '%s' has Wireless Extensions", (const char*) str ); - } - else - { - iface = new ONetworkInterface( this, (const char*) str ); - } - _interfaces.insert( str, iface ); - s.readLine(); - } -} - - -short ONetwork::wirelessExtensionVersion() -{ - 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::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 ) -{ - qDebug( "ONetworkInterface::ONetworkInterface()" ); - init(); -} - - -struct ifreq& ONetworkInterface::ifr() const -{ - return _ifr; -} - - -void ONetworkInterface::init() -{ - qDebug( "ONetworkInterface::init()" ); - - memset( &_ifr, 0, sizeof( struct ifreq ) ); - - if ( _sfd == -1 ) - { - qDebug( "ONetworkInterface::init(): Warning - can't get socket for device '%s'", name() ); - return; - } -} - - -bool ONetworkInterface::ioctl( int call, struct ifreq& ifreq ) const -{ - #ifndef NODEBUG - int result = ::ioctl( _sfd, call, &ifreq ); - if ( result == -1 ) - qDebug( "ONetworkInterface::ioctl (%s) call %s (0x%04X) - Status: Failed: %d (%s)", name(), (const char*) debugmapper->map( call ), call, result, strerror( errno ) ); - else - qDebug( "ONetworkInterface::ioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) debugmapper->map( call ), call ); - 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 ); - 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 -{ - if ( ioctl( SIOCGIFHWADDR ) ) - { - return _ifr.ifr_hwaddr.sa_family; - } - else - { - return -1; - } -} - - -void ONetworkInterface::setMonitoring( OMonitoringInterface* m ) -{ - _mon = m; - qDebug( "ONetwork::setMonitoring(): Installed monitoring driver '%s' on interface '%s'", (const char*) m->name(), name() ); -} - - -OMonitoringInterface* ONetworkInterface::monitoring() const -{ - return _mon; -} - - -ONetworkInterface::~ONetworkInterface() -{ - qDebug( "ONetworkInterface::~ONetworkInterface()" ); - if ( _sfd != -1 ) ::close( _sfd ); -} - - -bool ONetworkInterface::setPromiscuousMode( bool b ) -{ - ioctl( SIOCGIFFLAGS ); - if ( b ) _ifr.ifr_flags |= IFF_PROMISC; - else _ifr.ifr_flags &= (~IFF_PROMISC); - return ioctl( SIOCSIFFLAGS ); -} - - -bool ONetworkInterface::promiscuousMode() const -{ - ioctl( SIOCGIFFLAGS ); - return _ifr.ifr_flags & IFF_PROMISC; -} - - -bool ONetworkInterface::isWireless() const -{ - return ioctl( SIOCGIWNAME ); -} - - -/*====================================================================================== - * OChannelHopper - *======================================================================================*/ - -OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface ) - :QObject( 0, "Mickey's funky hopper" ), - _iface( iface ), _interval( 0 ), _tid( 0 ) -{ - int _maxChannel = iface->channels()+1; - // generate fancy hopping sequence honoring the device capabilities - if ( _maxChannel >= 1 ) _channels.append( 1 ); - if ( _maxChannel >= 7 ) _channels.append( 7 ); - if ( _maxChannel >= 13 ) _channels.append( 13 ); - if ( _maxChannel >= 2 ) _channels.append( 2 ); - if ( _maxChannel >= 8 ) _channels.append( 8 ); - if ( _maxChannel >= 3 ) _channels.append( 3 ); - if ( _maxChannel >= 14 ) _channels.append( 14 ); - if ( _maxChannel >= 9 ) _channels.append( 9 ); - if ( _maxChannel >= 4 ) _channels.append( 4 ); - if ( _maxChannel >= 10 ) _channels.append( 10 ); - if ( _maxChannel >= 5 ) _channels.append( 5 ); - if ( _maxChannel >= 11 ) _channels.append( 11 ); - if ( _maxChannel >= 6 ) _channels.append( 6 ); - if ( _maxChannel >= 12 ) _channels.append( 12 ); - _channel = _channels.begin(); - -} - - -OChannelHopper::~OChannelHopper() -{ -} - - -bool OChannelHopper::isActive() const -{ - return _tid; -} - - -int OChannelHopper::channel() const -{ - return *_channel; -} - - -void OChannelHopper::timerEvent( QTimerEvent* ) -{ - _iface->setChannel( *_channel ); - emit( hopped( *_channel ) ); - qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'", - *_channel, (const char*) _iface->name() ); - if ( ++_channel == _channels.end() ) _channel = _channels.begin(); -} - - -void OChannelHopper::setInterval( int interval ) -{ - if ( interval == _interval ) - return; - - if ( _interval ) - killTimer( _tid ); - - _tid = 0; - _interval = interval; - - if ( _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() == 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 ) - { - 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::commit() const -{ - wioctl( SIOCSIWCOMMIT ); -} - - -void OWirelessNetworkInterface::setMode( const QString& newMode ) -{ - #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 ) - { - // 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" ); - } - } -} - - -QString OWirelessNetworkInterface::mode() const -{ - 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 ) ); - - // 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; - - 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*) debugmapper->map( call ), call, result, strerror( errno ) ); - else - qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) debugmapper->map( 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 ); -} - - -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 ) -{ - 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 ) -{ - 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 ( b ) - { - setChannel( 1 ); - } - else - { - _if->setPrivate( "monitor", 2, 0, 0 ); - } -} - - -QString OOrinocoMonitoringInterface::name() const -{ - return "orinoco"; -} +/*
+ This file is part of the Opie Project
+ Copyright (C) 2003 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.
+
+*/
+
+/* OPIE */
+
+#include <opie2/onetwork.h>
+#include <opie2/ostation.h>
+#include <opie2/odebug.h>
+
+/* QT */
+
+#include <qfile.h>
+#include <qtextstream.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 <stdarg.h>
+
+#ifndef NODEBUG
+#include <opie2/odebugmapper.h>
+DebugMapper* debugmapper = new DebugMapper();
+#endif
+
+/*======================================================================================
+ * ONetwork
+ *======================================================================================*/
+
+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;
+ ONetworkInterface* iface;
+ 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::wirelessExtensionVersion()
+{
+ 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::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 );
+ 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
+{
+ if ( ioctl( SIOCGIFHWADDR ) )
+ {
+ return _ifr.ifr_hwaddr.sa_family;
+ }
+ else
+ {
+ return -1;
+ }
+}
+
+
+void ONetworkInterface::setMonitoring( OMonitoringInterface* m )
+{
+ _mon = m;
+ odebug << "ONetwork::setMonitoring(): Installed monitoring driver '" << m->name() << "' on interface '" << name() << "'" << oendl;
+}
+
+
+OMonitoringInterface* ONetworkInterface::monitoring() const
+{
+ return _mon;
+}
+
+
+ONetworkInterface::~ONetworkInterface()
+{
+ odebug << "ONetworkInterface::~ONetworkInterface()" << oendl;
+ if ( _sfd != -1 ) ::close( _sfd );
+}
+
+
+bool ONetworkInterface::setPromiscuousMode( bool b )
+{
+ ioctl( SIOCGIFFLAGS );
+ if ( b ) _ifr.ifr_flags |= IFF_PROMISC;
+ else _ifr.ifr_flags &= (~IFF_PROMISC);
+ return ioctl( SIOCSIFFLAGS );
+}
+
+
+bool ONetworkInterface::promiscuousMode() const
+{
+ ioctl( SIOCGIFFLAGS );
+ return _ifr.ifr_flags & IFF_PROMISC;
+}
+
+
+bool ONetworkInterface::isWireless() const
+{
+ return ioctl( SIOCGIWNAME );
+}
+
+
+/*======================================================================================
+ * OChannelHopper
+ *======================================================================================*/
+
+OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
+ :QObject( 0, "Mickey's funky hopper" ),
+ _iface( iface ), _interval( 0 ), _tid( 0 )
+{
+ int _maxChannel = iface->channels()+1;
+ // generate fancy hopping sequence honoring the device capabilities
+ if ( _maxChannel >= 1 ) _channels.append( 1 );
+ if ( _maxChannel >= 7 ) _channels.append( 7 );
+ if ( _maxChannel >= 13 ) _channels.append( 13 );
+ if ( _maxChannel >= 2 ) _channels.append( 2 );
+ if ( _maxChannel >= 8 ) _channels.append( 8 );
+ if ( _maxChannel >= 3 ) _channels.append( 3 );
+ if ( _maxChannel >= 14 ) _channels.append( 14 );
+ if ( _maxChannel >= 9 ) _channels.append( 9 );
+ if ( _maxChannel >= 4 ) _channels.append( 4 );
+ if ( _maxChannel >= 10 ) _channels.append( 10 );
+ if ( _maxChannel >= 5 ) _channels.append( 5 );
+ if ( _maxChannel >= 11 ) _channels.append( 11 );
+ if ( _maxChannel >= 6 ) _channels.append( 6 );
+ if ( _maxChannel >= 12 ) _channels.append( 12 );
+ _channel = _channels.begin();
+
+}
+
+
+OChannelHopper::~OChannelHopper()
+{
+}
+
+
+bool OChannelHopper::isActive() const
+{
+ return _tid;
+}
+
+
+int OChannelHopper::channel() const
+{
+ return *_channel;
+}
+
+
+void OChannelHopper::timerEvent( QTimerEvent* )
+{
+ _iface->setChannel( *_channel );
+ emit( hopped( *_channel ) );
+ odebug << "OChannelHopper::timerEvent(): set channel " << *_channel << " on interface '" << _iface->name() << "'" << oendl;
+ if ( ++_channel == _channels.end() ) _channel = _channels.begin();
+}
+
+
+void OChannelHopper::setInterval( int interval )
+{
+ if ( interval == _interval )
+ return;
+
+ if ( _interval )
+ killTimer( _tid );
+
+ _tid = 0;
+ _interval = interval;
+
+ if ( _interval )
+ {
+ _tid = startTimer( interval );
+ }
+}
+
+
+int OChannelHopper::interval() const
+{
+ return _interval;
+}
+
+
+/*======================================================================================
+ * 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 );
+ _channels.insert( freq, i+1 );
+ }
+ }
+
+ memcpy( &_range, buffer, sizeof( struct iw_range ) );
+ odebug << "OWirelessNetworkInterface::buildInformation(): Information block constructed." << oendl;
+ free(buffer);
+}
+
+
+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;
+
+ 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 );
+
+ 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 )
+{
+ oerr << "OWirelessNetworkInterface::getPrivate() is not implemented yet." << oendl;
+}
+
+
+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;
+
+ 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 = 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;
+ }
+}
+
+
+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";
+}
+
+
+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 )
+{
+ 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 ( b )
+ {
+ setChannel( 1 );
+ }
+ else
+ {
+ _if->setPrivate( "monitor", 2, 0, 0 );
+ }
+}
+
+
+QString OOrinocoMonitoringInterface::name() const
+{
+ return "orinoco";
+}
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp index 635224c..e9b3b2c 100644 --- a/libopie2/opienet/opcap.cpp +++ b/libopie2/opienet/opcap.cpp @@ -1,1320 +1,1317 @@ -/* - This file is part of the Opie Project - Copyright (C) 2003 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. - -*/ - -/* OPIE */ -#include <opie2/opcap.h> - -/* QT */ -#include <qapplication.h> // don't use oapplication here (will decrease reusability in other projects) -#include <qsocketnotifier.h> -#include <qobjectlist.h> - -/* SYSTEM */ -#include <sys/time.h> -#include <sys/types.h> -#include <unistd.h> - -/* LOCAL */ -#include "udp_ports.h" - -/*====================================================================================== - * OPacket - *======================================================================================*/ - -OPacket::OPacket( int datalink, packetheaderstruct header, const unsigned char* data, QObject* parent ) - :QObject( parent, "Generic" ), _hdr( header ), _data( data ) -{ - //qDebug( "OPacket::OPacket(): (Len %d, CapLen %d)" /*, ctime((const time_t*) header.ts.tv_sec)*/, header.len, header.caplen ); - - _end = (unsigned char*) data + header.len; - //qDebug( "OPacket::data @ %0x, end @ %0x", data, _end ); - - switch ( datalink ) - { - case DLT_EN10MB: - qDebug( "OPacket::OPacket(): Received Packet. Datalink = ETHERNET" ); - new OEthernetPacket( _end, (const struct ether_header*) data, this ); - break; - - case DLT_IEEE802_11: - qDebug( "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" ); - new OWaveLanPacket( _end, (const struct ieee_802_11_header*) data, this ); - break; - - case DLT_PRISM_HEADER: - qDebug( "OPacket::OPacket(): Received Packet. Datalink = PRISM_HEADER" ); - new OPrismHeaderPacket( _end, (const struct prism_hdr*) (unsigned char*) data, this ); - break; - - default: - qWarning( "OPacket::OPacket(): Received Packet over unsupported datalink (type %d)!", datalink ); - } -} - - -OPacket::~OPacket() -{ -} - - -timevalstruct OPacket::timeval() const -{ - return _hdr.ts; -} - - -int OPacket::caplen() const -{ - return _hdr.caplen; -} - - -void OPacket::updateStats( QMap<QString,int>& stats, QObjectList* l ) -{ - if (!l) return; - QObject* o = l->first(); - while ( o ) - { - stats[o->name()]++; - updateStats( stats, const_cast<QObjectList*>( o->children() ) ); - o = l->next(); - } -} - - -void OPacket::dumpStructure( QObjectList* l ) -{ - QString packetString( "[ |" + _dumpStructure( l ) + " ]" ); - qDebug( "OPacket::dumpStructure: %s", (const char*) packetString ); -} - - -QString OPacket::_dumpStructure( QObjectList* l ) -{ - if (!l) return QString::null; - QObject* o = l->first(); - QString str(" "); - - while ( o ) - { - str.append( o->name() ); - str.append( " |" ); - str += _dumpStructure( const_cast<QObjectList*>( o->children() ) ); - o = l->next(); - } - return str; -} - -QString OPacket::dump( int bpl ) const -{ - static int index = 0; - index++; - int len = _hdr.caplen; - QString str; - str.sprintf( "\n<----- Packet #%04d Len = 0x%X (%d) ----->\n\n", index, len, len ); - str.append( "0000: " ); - QString tmp; - QString bytes; - QString chars; - - for ( int i = 0; i < len; ++i ) - { - tmp.sprintf( "%02X ", _data[i] ); bytes.append( tmp ); - if ( (_data[i] > 31) && (_data[i]<128) ) chars.append( _data[i] ); - else chars.append( '.' ); - - if ( !((i+1) % bpl) ) - { - str.append( bytes ); - str.append( ' ' ); - str.append( chars ); - str.append( '\n' ); - tmp.sprintf( "%04X: ", i+1 ); str.append( tmp ); - bytes = ""; - chars = ""; - } - - } - if ( (len % bpl) ) - { - str.append( bytes.leftJustify( 1 + 3*bpl ) ); - str.append( chars ); - } - str.append( '\n' ); - return str; -} - - -int OPacket::len() const -{ - return _hdr.len; -} - - -/*====================================================================================== - * OEthernetPacket - *======================================================================================*/ - -OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent ) - :QObject( parent, "Ethernet" ), _ether( data ) -{ - - qDebug( "Source = %s", (const char*) sourceAddress().toString() ); - qDebug( "Destination = %s", (const char*) destinationAddress().toString() ); - - if ( sourceAddress() == OMacAddress::broadcast ) - qDebug( "Source is broadcast address" ); - if ( destinationAddress() == OMacAddress::broadcast ) - qDebug( "Destination is broadcast address" ); - - switch ( type() ) - { - case ETHERTYPE_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break; - case ETHERTYPE_ARP: new OARPPacket( end, (const struct myarphdr*) (data+1), this ); break; - case ETHERTYPE_REVARP: { qDebug( "OPacket::OPacket(): Received Ethernet Packet : Type = RARP" ); break; } - default: qDebug( "OPacket::OPacket(): Received Ethernet Packet : Type = UNKNOWN" ); - } - -} - - -OEthernetPacket::~OEthernetPacket() -{ -} - - -OMacAddress OEthernetPacket::sourceAddress() const -{ - return OMacAddress( _ether->ether_shost ); -} - - -OMacAddress OEthernetPacket::destinationAddress() const -{ - return OMacAddress( _ether->ether_dhost ); -} - -int OEthernetPacket::type() const -{ - return ntohs( _ether->ether_type ); -} - - -/*====================================================================================== - * OIPPacket - *======================================================================================*/ - - -OIPPacket::OIPPacket( const unsigned char* end, const struct iphdr* data, QObject* parent ) - :QObject( parent, "IP" ), _iphdr( data ) -{ - qDebug( "OIPPacket::OIPPacket(): decoding IP header..." ); - - //qDebug( "FromAddress: %s", (const char*) inet_ntoa( *src ) ); - //qDebug( " ToAddress: %s", (const char*) inet_ntoa( *dst ) ); - - qDebug( "FromAddress: %s", (const char*) fromIPAddress().toString() ); - qDebug( " toAddress: %s", (const char*) toIPAddress().toString() ); - - switch ( protocol() ) - { - case IPPROTO_UDP: new OUDPPacket( end, (const struct udphdr*) (data+1), this ); break; - case IPPROTO_TCP: new OTCPPacket( end, (const struct tcphdr*) (data+1), this ); break; - default: qDebug( "OIPPacket::OIPPacket(): unknown IP protocol type = %d", protocol() ); - } - -} - -OIPPacket::~OIPPacket() -{ -} - - -QHostAddress OIPPacket::fromIPAddress() const -{ - return EXTRACT_32BITS( &_iphdr->saddr ); -} - - -QHostAddress OIPPacket::toIPAddress() const -{ - return EXTRACT_32BITS( &_iphdr->saddr ); -} - - -int OIPPacket::tos() const -{ - return _iphdr->tos; -} - - -int OIPPacket::len() const -{ - return EXTRACT_16BITS( &_iphdr->tot_len ); -} - - -int OIPPacket::id() const -{ - return EXTRACT_16BITS( &_iphdr->id ); -} - - -int OIPPacket::offset() const -{ - return EXTRACT_16BITS( &_iphdr->frag_off ); -} - - -int OIPPacket::ttl() const -{ - return _iphdr->ttl; -} - - -int OIPPacket::protocol() const -{ - return _iphdr->protocol; -} - - -int OIPPacket::checksum() const -{ - return EXTRACT_16BITS( &_iphdr->check ); -} - -/*====================================================================================== - * OARPPacket - *======================================================================================*/ - - -OARPPacket::OARPPacket( const unsigned char* end, const struct myarphdr* data, QObject* parent ) - :QObject( parent, "ARP" ), _arphdr( data ) -{ - qDebug( "OARPPacket::OARPPacket(): decoding ARP header..." ); - qDebug( "ARP type seems to be %02d - '%s'", EXTRACT_16BITS( &_arphdr->ar_op ), (const char*) type() ); - qDebug( "Sender: MAC %s = IP %s", (const char*) senderMacAddress().toString(), (const char*) senderIPV4Address().toString() ); - qDebug( "Target: MAC %s = IP %s", (const char*) targetMacAddress().toString(), (const char*) targetIPV4Address().toString() ); -} - - -OARPPacket::~OARPPacket() -{ -} - - -QString OARPPacket::type() const -{ - switch ( EXTRACT_16BITS( &_arphdr->ar_op ) ) - { - case 1: return "REQUEST"; - case 2: return "REPLY"; - case 3: return "RREQUEST"; - case 4: return "RREPLY"; - case 8: return "InREQUEST"; - case 9: return "InREPLY"; - case 10: return "NAK"; - default: qWarning( "OARPPacket::type(): invalid ARP type!" ); return "<unknown>"; - } -} - - -QHostAddress OARPPacket::senderIPV4Address() const -{ - return EXTRACT_32BITS( &_arphdr->ar_sip ); -} - - -QHostAddress OARPPacket::targetIPV4Address() const -{ - return EXTRACT_32BITS( &_arphdr->ar_tip ); -} - - -OMacAddress OARPPacket::senderMacAddress() const -{ - return OMacAddress( _arphdr->ar_sha ); -} - - -OMacAddress OARPPacket::targetMacAddress() const -{ - return OMacAddress( _arphdr->ar_tha ); -} - - -/*====================================================================================== - * OUDPPacket - *======================================================================================*/ - - -OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent ) - :QObject( parent, "UDP" ), _udphdr( data ) - -{ - qDebug( "OUDPPacket::OUDPPacket(): decoding UDP header..." ); - qDebug( "fromPort = %d", fromPort() ); - qDebug( " toPort = %d", toPort() ); - - // TODO: Make this a case or a hash if we know more udp protocols - - if ( fromPort() == UDP_PORT_BOOTPS || fromPort() == UDP_PORT_BOOTPC || - toPort() == UDP_PORT_BOOTPS || toPort() == UDP_PORT_BOOTPC ) - { - qDebug( "seems to be part of a DHCP conversation => creating DHCP packet." ); - new ODHCPPacket( end, (const struct dhcp_packet*) (data+1), this ); - } -} - - -OUDPPacket::~OUDPPacket() -{ -} - - -int OUDPPacket::fromPort() const -{ - return EXTRACT_16BITS( &_udphdr->source ); -} - - -int OUDPPacket::toPort() const -{ - return EXTRACT_16BITS( &_udphdr->dest ); -} - - -int OUDPPacket::length() const -{ - return EXTRACT_16BITS( &_udphdr->len ); -} - - -int OUDPPacket::checksum() const -{ - return EXTRACT_16BITS( &_udphdr->check ); -} - - -/*====================================================================================== - * ODHCPPacket - *======================================================================================*/ - - -ODHCPPacket::ODHCPPacket( const unsigned char* end, const struct dhcp_packet* data, QObject* parent ) - :QObject( parent, "DHCP" ), _dhcphdr( data ) - -{ - qDebug( "ODHCPPacket::ODHCPPacket(): decoding DHCP information..." ); - qDebug( "DHCP opcode seems to be %02d - '%s'", _dhcphdr->op, isRequest() ? "REQUEST" : "REPLY" ); - qDebug( "clientAddress: %s", (const char*) clientAddress().toString() ); - qDebug( " yourAddress: %s", (const char*) yourAddress().toString() ); - qDebug( "serverAddress: %s", (const char*) serverAddress().toString() ); - qDebug( " relayAddress: %s", (const char*) relayAddress().toString() ); - qDebug( "parsing DHCP options..." ); - - _type = 0; - - const unsigned char* option = &_dhcphdr->options[4]; - char tag = -1; - char len = -1; - - while ( ( tag = *option++ ) != -1 /* end of option field */ ) - { - len = *option++; - qDebug( "recognized DHCP option #%d, length %d", tag, len ); - - if ( tag == DHO_DHCP_MESSAGE_TYPE ) - _type = *option; - - option += len; - if ( option >= end ) - { - qWarning( "DHCP parsing ERROR: sanity check says the packet is at its end!" ); - break; - } - } - - qDebug( "DHCP type seems to be '%s'", (const char*) type() ); -} - - -ODHCPPacket::~ODHCPPacket() -{ -} - - -bool ODHCPPacket::isRequest() const -{ - return ( _dhcphdr->op == 01 ); -} - - -bool ODHCPPacket::isReply() const -{ - return ( _dhcphdr->op == 02 ); -} - - -QString ODHCPPacket::type() const -{ - switch ( _type ) - { - case 1: return "DISCOVER"; - case 2: return "OFFER"; - case 3: return "REQUEST"; - case 4: return "DECLINE"; - case 5: return "ACK"; - case 6: return "NAK"; - case 7: return "RELEASE"; - case 8: return "INFORM"; - default: qWarning( "ODHCPPacket::type(): invalid DHCP type (%d) !", _dhcphdr->op ); return "<unknown>"; - } -} - - -QHostAddress ODHCPPacket::clientAddress() const -{ - return EXTRACT_32BITS( &_dhcphdr->ciaddr ); -} - - -QHostAddress ODHCPPacket::yourAddress() const -{ - return EXTRACT_32BITS( &_dhcphdr->yiaddr ); -} - - -QHostAddress ODHCPPacket::serverAddress() const -{ - return EXTRACT_32BITS( &_dhcphdr->siaddr ); -} - - -QHostAddress ODHCPPacket::relayAddress() const -{ - return EXTRACT_32BITS( &_dhcphdr->giaddr ); -} - - -OMacAddress ODHCPPacket::clientMacAddress() const -{ - return OMacAddress( _dhcphdr->chaddr ); -} - - -/*====================================================================================== - * OTCPPacket - *======================================================================================*/ - - -OTCPPacket::OTCPPacket( const unsigned char* end, const struct tcphdr* data, QObject* parent ) - :QObject( parent, "TCP" ), _tcphdr( data ) - -{ - qDebug( "OTCPPacket::OTCPPacket(): decoding TCP header..." ); -} - - -OTCPPacket::~OTCPPacket() -{ -} - - -int OTCPPacket::fromPort() const -{ - return EXTRACT_16BITS( &_tcphdr->source ); -} - - -int OTCPPacket::toPort() const -{ - return EXTRACT_16BITS( &_tcphdr->dest ); -} - - -int OTCPPacket::seq() const -{ - return EXTRACT_16BITS( &_tcphdr->seq ); -} - - -int OTCPPacket::ack() const -{ - return EXTRACT_16BITS( &_tcphdr->ack_seq ); -} - - -int OTCPPacket::window() const -{ - return EXTRACT_16BITS( &_tcphdr->window ); -} - - -int OTCPPacket::checksum() const -{ - return EXTRACT_16BITS( &_tcphdr->check ); -} - -/*====================================================================================== - * OPrismHeaderPacket - *======================================================================================*/ - - -OPrismHeaderPacket::OPrismHeaderPacket( const unsigned char* end, const struct prism_hdr* data, QObject* parent ) - :QObject( parent, "Prism" ), _header( data ) - -{ - qDebug( "OPrismHeaderPacket::OPrismHeaderPacket(): decoding PRISM header..." ); - - qDebug( "Signal Strength = %d", data->signal.data ); - - new OWaveLanPacket( end, (const struct ieee_802_11_header*) (data+1), this ); -} - -OPrismHeaderPacket::~OPrismHeaderPacket() -{ -} - - -unsigned int OPrismHeaderPacket::signalStrength() const -{ - return _header->signal.data; -} - -/*====================================================================================== - * OWaveLanPacket - *======================================================================================*/ - - -OWaveLanPacket::OWaveLanPacket( const unsigned char* end, const struct ieee_802_11_header* data, QObject* parent ) - :QObject( parent, "802.11" ), _wlanhdr( data ) - -{ - qDebug( "OWaveLanPacket::OWaveLanPacket(): decoding IEEE 802.11 header..." ); - qDebug( "type: %0X", type() ); - qDebug( "subType: %0X", subType() ); - qDebug( "duration: %d", duration() ); - qDebug( "powermanagement: %d", usesPowerManagement() ); - qDebug( "payload is encrypted: %s", usesWep() ? "yes" : "no" ); - qDebug( "MAC1: %s", (const char*) macAddress1().toString() ); - qDebug( "MAC2: %s", (const char*) macAddress2().toString() ); - qDebug( "MAC3: %s", (const char*) macAddress3().toString() ); - qDebug( "MAC4: %s", (const char*) macAddress4().toString() ); - - switch ( type() ) - { - case T_MGMT: new OWaveLanManagementPacket( end, (const struct ieee_802_11_mgmt_header*) data, this ); break; - case T_DATA: new OWaveLanDataPacket( end, (const struct ieee_802_11_data_header*) data, this ); break; - case T_CTRL: new OWaveLanControlPacket( end, (const struct ieee_802_11_control_header*) data, this ); break; - default: qDebug( "OWaveLanPacket::OWaveLanPacket(): Warning: Unknown major type '%d'!", type() ); - } -} - -OWaveLanPacket::~OWaveLanPacket() -{ -} - - -int OWaveLanPacket::duration() const -{ - return _wlanhdr->duration; -} - - -OMacAddress OWaveLanPacket::macAddress1() const -{ - return OMacAddress( _wlanhdr->mac1 ); -} - - -OMacAddress OWaveLanPacket::macAddress2() const -{ - return OMacAddress( _wlanhdr->mac2 ); -} - - -OMacAddress OWaveLanPacket::macAddress3() const -{ - return OMacAddress( _wlanhdr->mac3 ); -} - - -OMacAddress OWaveLanPacket::macAddress4() const -{ - return OMacAddress( _wlanhdr->mac4 ); -} - - -int OWaveLanPacket::subType() const -{ - return FC_SUBTYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -int OWaveLanPacket::type() const -{ - return FC_TYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -int OWaveLanPacket::version() const -{ - return FC_VERSION( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -bool OWaveLanPacket::fromDS() const -{ - return FC_FROM_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -bool OWaveLanPacket::toDS() const -{ - return FC_TO_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -bool OWaveLanPacket::usesPowerManagement() const -{ - return FC_POWER_MGMT( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -bool OWaveLanPacket::usesWep() const -{ - return FC_WEP( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); -} - - -/*====================================================================================== - * OWaveLanManagementPacket - *======================================================================================*/ - -OWaveLanManagementPacket::OWaveLanManagementPacket( const unsigned char* end, const struct ieee_802_11_mgmt_header* data, OWaveLanPacket* parent ) - :QObject( parent, "802.11 Management" ), _header( data ), - _body( (const struct ieee_802_11_mgmt_body*) (data+1) ) -{ - qDebug( "OWaveLanManagementPacket::OWaveLanManagementPacket(): decoding frame..." ); - qDebug( "Detected subtype is '%s'", (const char*) managementType() ); - - // grab tagged values - const unsigned char* ptr = (const unsigned char*) (_body+1); - while (ptr < end) - { - switch ( *ptr ) - { - case E_SSID: new OWaveLanManagementSSID( end, (struct ssid_t*) ptr, this ); break; - case E_FH: new OWaveLanManagementFH( end, (struct fh_t*) ptr, this ); break; - case E_DS: new OWaveLanManagementDS( end, (struct ds_t*) ptr, this ); break; - case E_RATES: new OWaveLanManagementRates( end, (struct rates_t*) ptr, this ); break; - case E_CF: new OWaveLanManagementCF( end, (struct cf_t*) ptr, this ); break; - case E_TIM: new OWaveLanManagementTim( end, (struct tim_t*) ptr, this ); break; - case E_IBSS: new OWaveLanManagementIBSS( end, (struct ibss_t*) ptr, this ); break; - case E_CHALLENGE: new OWaveLanManagementChallenge( end, (struct challenge_t*) ptr, this ); break; - } - ptr+= ( ( struct ssid_t* ) ptr )->length; // skip length of tagged value - ptr+= 2; // skip tag ID and length - } -} - - -OWaveLanManagementPacket::~OWaveLanManagementPacket() -{ -} - - -QString OWaveLanManagementPacket::managementType() const -{ - switch ( FC_SUBTYPE( EXTRACT_LE_16BITS( &_header->fc ) ) ) - { - case ST_ASSOC_REQUEST: return "AssociationRequest"; break; - case ST_ASSOC_RESPONSE: return "AssociationResponse"; break; - case ST_REASSOC_REQUEST: return "ReassociationRequest"; break; - case ST_REASSOC_RESPONSE: return "ReassociationResponse"; break; - case ST_PROBE_REQUEST: return "ProbeRequest"; break; - case ST_PROBE_RESPONSE: return "ProbeResponse"; break; - case ST_BEACON: return "Beacon"; break; - case ST_ATIM: return "Atim"; break; - case ST_DISASSOC: return "Disassociation"; break; - case ST_AUTH: return "Authentication"; break; - case ST_DEAUTH: return "Deathentication"; break; - default: - qWarning( "OWaveLanManagementPacket::managementType(): unhandled subtype %d", FC_SUBTYPE( EXTRACT_LE_16BITS( &_header->fc ) ) ); - return "Unknown"; - } -} - - -int OWaveLanManagementPacket::beaconInterval() const -{ - return EXTRACT_LE_16BITS( &_body->beacon_interval ); -} - - -int OWaveLanManagementPacket::capabilities() const -{ - return EXTRACT_LE_16BITS( &_body->capability_info ); -} - - -bool OWaveLanManagementPacket::canESS() const -{ - return CAPABILITY_ESS( EXTRACT_LE_16BITS( &_body->capability_info ) ); -} - - -bool OWaveLanManagementPacket::canIBSS() const -{ - return CAPABILITY_IBSS( EXTRACT_LE_16BITS( &_body->capability_info ) ); -} - - -bool OWaveLanManagementPacket::canCFP() const -{ - return CAPABILITY_CFP( EXTRACT_LE_16BITS( &_body->capability_info ) ); -} - - -bool OWaveLanManagementPacket::canCFP_REQ() const -{ - return CAPABILITY_CFP_REQ( EXTRACT_LE_16BITS( &_body->capability_info ) ); -} - - -bool OWaveLanManagementPacket::canPrivacy() const -{ - return CAPABILITY_PRIVACY( EXTRACT_LE_16BITS( &_body->capability_info ) ); -} - - -/*====================================================================================== - * OWaveLanManagementSSID - *======================================================================================*/ - -OWaveLanManagementSSID::OWaveLanManagementSSID( const unsigned char* end, const struct ssid_t* data, QObject* parent ) - :QObject( parent, "802.11 SSID" ), _data( data ) -{ - qDebug( "OWaveLanManagementSSID()" ); -} - - -OWaveLanManagementSSID::~OWaveLanManagementSSID() -{ -} - - -QString OWaveLanManagementSSID::ID() const -{ - int length = _data->length; - if ( length > 32 ) length = 32; - char essid[length+1]; - memcpy( &essid, &_data->ssid, length ); - essid[length] = 0x0; - return essid; -} - - -/*====================================================================================== - * OWaveLanManagementRates - *======================================================================================*/ - -OWaveLanManagementRates::OWaveLanManagementRates( const unsigned char* end, const struct rates_t* data, QObject* parent ) - :QObject( parent, "802.11 Rates" ), _data( data ) -{ - qDebug( "OWaveLanManagementRates()" ); -} - - -OWaveLanManagementRates::~OWaveLanManagementRates() -{ -} - -/*====================================================================================== - * OWaveLanManagementCF - *======================================================================================*/ - -OWaveLanManagementCF::OWaveLanManagementCF( const unsigned char* end, const struct cf_t* data, QObject* parent ) - :QObject( parent, "802.11 CF" ), _data( data ) -{ - qDebug( "OWaveLanManagementCF()" ); -} - - -OWaveLanManagementCF::~OWaveLanManagementCF() -{ -} - -/*====================================================================================== - * OWaveLanManagementFH - *======================================================================================*/ - -OWaveLanManagementFH::OWaveLanManagementFH( const unsigned char* end, const struct fh_t* data, QObject* parent ) - :QObject( parent, "802.11 FH" ), _data( data ) -{ - qDebug( "OWaveLanManagementFH()" ); -} - - -OWaveLanManagementFH::~OWaveLanManagementFH() -{ -} - -/*====================================================================================== - * OWaveLanManagementDS - *======================================================================================*/ - -OWaveLanManagementDS::OWaveLanManagementDS( const unsigned char* end, const struct ds_t* data, QObject* parent ) - :QObject( parent, "802.11 DS" ), _data( data ) -{ - qDebug( "OWaveLanManagementDS()" ); -} - - -OWaveLanManagementDS::~OWaveLanManagementDS() -{ -} - - -int OWaveLanManagementDS::channel() const -{ - return _data->channel; -} - -/*====================================================================================== - * OWaveLanManagementTim - *======================================================================================*/ - -OWaveLanManagementTim::OWaveLanManagementTim( const unsigned char* end, const struct tim_t* data, QObject* parent ) - :QObject( parent, "802.11 Tim" ), _data( data ) -{ - qDebug( "OWaveLanManagementTim()" ); -} - - -OWaveLanManagementTim::~OWaveLanManagementTim() -{ -} - -/*====================================================================================== - * OWaveLanManagementIBSS - *======================================================================================*/ - -OWaveLanManagementIBSS::OWaveLanManagementIBSS( const unsigned char* end, const struct ibss_t* data, QObject* parent ) - :QObject( parent, "802.11 IBSS" ), _data( data ) -{ - qDebug( "OWaveLanManagementIBSS()" ); -} - - -OWaveLanManagementIBSS::~OWaveLanManagementIBSS() -{ -} - -/*====================================================================================== - * OWaveLanManagementChallenge - *======================================================================================*/ - -OWaveLanManagementChallenge::OWaveLanManagementChallenge( const unsigned char* end, const struct challenge_t* data, QObject* parent ) - :QObject( parent, "802.11 Challenge" ), _data( data ) -{ - qDebug( "OWaveLanManagementChallenge()" ); -} - - -OWaveLanManagementChallenge::~OWaveLanManagementChallenge() -{ -} - -/*====================================================================================== - * OWaveLanDataPacket - *======================================================================================*/ - -OWaveLanDataPacket::OWaveLanDataPacket( const unsigned char* end, const struct ieee_802_11_data_header* data, OWaveLanPacket* parent ) - :QObject( parent, "802.11 Data" ), _header( data ) -{ - qDebug( "OWaveLanDataPacket::OWaveLanDataPacket(): decoding frame..." ); - - const unsigned char* payload = (const unsigned char*) data + sizeof( struct ieee_802_11_data_header ); - - #warning The next line works for most cases, but can not be correct generally! - if (!( ( (OWaveLanPacket*) this->parent())->duration() )) payload -= 6; // compensation for missing last address - - new OLLCPacket( end, (const struct ieee_802_11_802_2_header*) payload, this ); -} - - -OWaveLanDataPacket::~OWaveLanDataPacket() -{ -} - - -/*====================================================================================== - * OLLCPacket - *======================================================================================*/ - -OLLCPacket::OLLCPacket( const unsigned char* end, const struct ieee_802_11_802_2_header* data, QObject* parent ) - :QObject( parent, "802.11 LLC" ), _header( data ) -{ - qDebug( "OLLCPacket::OLLCPacket(): decoding frame..." ); - - if ( !(_header->oui[0] || _header->oui[1] || _header->oui[2]) ) - { - qDebug( "OLLCPacket::OLLCPacket(): contains an encapsulated Ethernet frame (type=%04X)", EXTRACT_16BITS( &_header->type ) ); - - switch ( EXTRACT_16BITS( &_header->type ) ) // defined in linux/if_ether.h - { - case ETH_P_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break; - case ETH_P_ARP: new OARPPacket( end, (const struct myarphdr*) (data+1), this ); break; - default: qWarning( "OLLCPacket::OLLCPacket(): Unknown Encapsulation (type=%04X)", EXTRACT_16BITS( &_header->type ) ); - } - - } -} - - -OLLCPacket::~OLLCPacket() -{ -} - - -/*====================================================================================== - * OWaveLanControlPacket - *======================================================================================*/ - -OWaveLanControlPacket::OWaveLanControlPacket( const unsigned char* end, const struct ieee_802_11_control_header* data, OWaveLanPacket* parent ) - :QObject( parent, "802.11 Control" ), _header( data ) -{ - qDebug( "OWaveLanControlPacket::OWaveLanDataControl(): decoding frame..." ); - //TODO: Implement this -} - - -OWaveLanControlPacket::~OWaveLanControlPacket() -{ -} - - -/*====================================================================================== - * OPacketCapturer - *======================================================================================*/ - -OPacketCapturer::OPacketCapturer( QObject* parent, const char* name ) - :QObject( parent, name ), _name( QString::null ), _open( false ), - _pch( 0 ), _pcd( 0 ), _sn( 0 ) -{ -} - - -OPacketCapturer::~OPacketCapturer() -{ - if ( _open ) - { - qDebug( "OPacketCapturer::~OPacketCapturer(): pcap still open, autoclosing." ); - close(); - } -} - - -void OPacketCapturer::setBlocking( bool b ) -{ - if ( pcap_setnonblock( _pch, 1-b, _errbuf ) != -1 ) - { - qDebug( "OPacketCapturer::setBlocking(): blocking mode changed successfully." ); - } - else - { - qDebug( "OPacketCapturer::setBlocking(): can't change blocking mode: %s", _errbuf ); - } -} - - -bool OPacketCapturer::blocking() const -{ - int b = pcap_getnonblock( _pch, _errbuf ); - if ( b == -1 ) - { - qDebug( "OPacketCapturer::blocking(): can't get blocking mode: %s", _errbuf ); - return -1; - } - return !b; -} - - -void OPacketCapturer::closeDumpFile() -{ - if ( _pcd ) - { - pcap_dump_close( _pcd ); - _pcd = 0; - } - pcap_close( _pch ); -} - - -void OPacketCapturer::close() -{ - if ( _open ) - { - if ( _sn ) - { - _sn->disconnect( SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) ); - delete _sn; - } - closeDumpFile(); - _open = false; - } - - qDebug( "OPacketCapturer::close() --- dumping capturing statistics..." ); - qDebug( "--------------------------------------------------" ); - for( QMap<QString,int>::Iterator it = _stats.begin(); it != _stats.end(); ++it ) - qDebug( "%s : %d", (const char*) it.key(), it.data() ); - qDebug( "--------------------------------------------------" ); - -} - - -int OPacketCapturer::dataLink() const -{ - return pcap_datalink( _pch ); -} - - -void OPacketCapturer::dump( OPacket* p ) -{ - if ( !_pcd ) - { - qWarning( "OPacketCapturer::dump() - cannot dump without open capture file!" ); - return; - } - pcap_dump( (u_char*) _pcd, &p->_hdr, p->_data ); -} - - -int OPacketCapturer::fileno() const -{ - if ( _open ) - { - return pcap_fileno( _pch ); - } - else - { - return -1; - } -} - - -OPacket* OPacketCapturer::next( int time ) -{ - fd_set fds; - struct timeval tv; - FD_ZERO( &fds ); - FD_SET( pcap_fileno( _pch ), &fds ); - tv.tv_sec = time / 1000; - tv.tv_usec = time % 1000; - int retval = select( pcap_fileno( _pch )+1, &fds, NULL, NULL, &tv); - if ( retval > 0 ) // clear to read! - return next(); - else - return 0; -} - - -OPacket* OPacketCapturer::next() -{ - packetheaderstruct header; - qDebug( "==> OPacketCapturer::next()" ); - const unsigned char* pdata = pcap_next( _pch, &header ); - qDebug( "<== OPacketCapturer::next()" ); - - if ( pdata && header.len ) - { - OPacket* p = new OPacket( dataLink(), header, pdata, 0 ); - // packets shouldn't be inserted in the QObject child-parent hierarchy, - // because due to memory constraints they will be deleted as soon - // as possible - that is right after they have been processed - // by emit() [ see below ] - //TODO: make gathering statistics optional, because it takes time - p->updateStats( _stats, const_cast<QObjectList*>( p->children() ) ); - #ifndef NODEBUG - p->dumpStructure( const_cast<QObjectList*>( p->children() ) ); - #endif - return p; - } - else - { - qWarning( "OPacketCapturer::next() - no packet received!" ); - return 0; - } -} - - -bool OPacketCapturer::open( const QString& name ) -{ - if ( _open ) - { - if ( name == _name ) // ignore opening an already openend device - { - return true; - } - else // close the last opened device - { - close(); - } - } - - _name = name; - - // open libpcap - pcap_t* handle = pcap_open_live( const_cast<char*>( (const char*) name ), 1024, 0, 0, &_errbuf[0] ); - - if ( !handle ) - { - qWarning( "OPacketCapturer::open(): can't open libpcap with '%s': %s", (const char*) name, _errbuf ); - return false; - } - - qDebug( "OPacketCapturer::open(): libpcap [%s] opened successfully.", (const char*) name ); - _pch = handle; - _open = true; - _stats.clear(); - - // in case we have an application object, create a socket notifier - if ( qApp ) //TODO: I don't like this here... - { - _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read ); - connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) ); - } - - return true; -} - - -bool OPacketCapturer::openDumpFile( const QString& filename ) -{ - pcap_dumper_t* dump = pcap_dump_open( _pch, const_cast<char*>( (const char*) filename ) ); - if ( !dump ) - { - qWarning( "OPacketCapturer::open(): can't open dump with '%s': %s", (const char*) filename, _errbuf ); - return false; - } - qDebug( "OPacketCapturer::open(): dump [%s] opened successfully.", (const char*) filename ); - _pcd = dump; - - return true; -} - - -bool OPacketCapturer::open( const QFile& file ) -{ - QString name = file.name(); - - if ( _open ) - { - close(); - if ( name == _name ) // ignore opening an already openend device - { - return true; - } - else // close the last opened device - { - close(); - } - } - - _name = name; - - pcap_t* handle = pcap_open_offline( const_cast<char*>( (const char*) name ), &_errbuf[0] ); - - if ( handle ) - { - qDebug( "OPacketCapturer::open(): libpcap opened successfully." ); - _pch = handle; - _open = true; - - // in case we have an application object, create a socket notifier - if ( qApp ) - { - _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read ); - connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) ); - } - - return true; - } - else - { - qDebug( "OPacketCapturer::open(): can't open libpcap with '%s': %s", (const char*) name, _errbuf ); - return false; - } - -} - - -bool OPacketCapturer::isOpen() const -{ - return _open; -} - - -void OPacketCapturer::readyToReceive() -{ - qDebug( "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(p)'" ); - OPacket* p = next(); - emit receivedPacket( p ); - // emit is synchronous - packet has been dealt with, now it's safe to delete - delete p; -} - - -const QMap<QString,int>& OPacketCapturer::statistics() const -{ - return _stats; -} - - -int OPacketCapturer::snapShot() const -{ - return pcap_snapshot( _pch ); -} - - -bool OPacketCapturer::swapped() const -{ - return pcap_is_swapped( _pch ); -} - - -QString OPacketCapturer::version() const -{ - return QString().sprintf( "%s.%s", pcap_major_version( _pch ), pcap_minor_version( _pch ) ); -} - - +/*
+ This file is part of the Opie Project
+ Copyright (C) 2003 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.
+
+*/
+
+/* OPIE */
+#include <opie2/opcap.h>
+#include <opie2/odebug.h>
+
+/* QT */
+#include <qapplication.h> // don't use oapplication here (will decrease reusability in other projects)
+#include <qsocketnotifier.h>
+#include <qobjectlist.h>
+
+/* SYSTEM */
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+/* LOCAL */
+#include "udp_ports.h"
+
+/*======================================================================================
+ * OPacket
+ *======================================================================================*/
+
+OPacket::OPacket( int datalink, packetheaderstruct header, const unsigned char* data, QObject* parent )
+ :QObject( parent, "Generic" ), _hdr( header ), _data( data )
+{
+ //qDebug( "OPacket::OPacket(): (Len %d, CapLen %d)" /*, ctime((const time_t*) header.ts.tv_sec)*/, header.len, header.caplen );
+
+ _end = (unsigned char*) data + header.len;
+ //qDebug( "OPacket::data @ %0x, end @ %0x", data, _end );
+
+ switch ( datalink )
+ {
+ case DLT_EN10MB:
+ odebug << "OPacket::OPacket(): Received Packet. Datalink = ETHERNET" << oendl;
+ new OEthernetPacket( _end, (const struct ether_header*) data, this );
+ break;
+
+ case DLT_IEEE802_11:
+ odebug << "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" << oendl;
+ new OWaveLanPacket( _end, (const struct ieee_802_11_header*) data, this );
+ break;
+
+ case DLT_PRISM_HEADER:
+ odebug << "OPacket::OPacket(): Received Packet. Datalink = PRISM_HEADER" << oendl;
+ new OPrismHeaderPacket( _end, (const struct prism_hdr*) (unsigned char*) data, this );
+ break;
+
+ default:
+ owarn << "OPacket::OPacket(): Received Packet over unsupported datalink, type " << datalink << "!" << oendl;
+ }
+}
+
+
+OPacket::~OPacket()
+{
+}
+
+
+timevalstruct OPacket::timeval() const
+{
+ return _hdr.ts;
+}
+
+
+int OPacket::caplen() const
+{
+ return _hdr.caplen;
+}
+
+
+void OPacket::updateStats( QMap<QString,int>& stats, QObjectList* l )
+{
+ if (!l) return;
+ QObject* o = l->first();
+ while ( o )
+ {
+ stats[o->name()]++;
+ updateStats( stats, const_cast<QObjectList*>( o->children() ) );
+ o = l->next();
+ }
+}
+
+
+void OPacket::dumpStructure( QObjectList* l )
+{
+ QString packetString( "[ |" + _dumpStructure( l ) + " ]" );
+ odebug << "OPacket::dumpStructure: " << packetString << oendl;
+}
+
+
+QString OPacket::_dumpStructure( QObjectList* l )
+{
+ if (!l) return QString::null;
+ QObject* o = l->first();
+ QString str(" ");
+
+ while ( o )
+ {
+ str.append( o->name() );
+ str.append( " |" );
+ str += _dumpStructure( const_cast<QObjectList*>( o->children() ) );
+ o = l->next();
+ }
+ return str;
+}
+
+QString OPacket::dump( int bpl ) const
+{
+ static int index = 0;
+ index++;
+ int len = _hdr.caplen;
+ QString str;
+ str.sprintf( "\n<----- Packet #%04d Len = 0x%X (%d) ----->\n\n", index, len, len );
+ str.append( "0000: " );
+ QString tmp;
+ QString bytes;
+ QString chars;
+
+ for ( int i = 0; i < len; ++i )
+ {
+ tmp.sprintf( "%02X ", _data[i] ); bytes.append( tmp );
+ if ( (_data[i] > 31) && (_data[i]<128) ) chars.append( _data[i] );
+ else chars.append( '.' );
+
+ if ( !((i+1) % bpl) )
+ {
+ str.append( bytes );
+ str.append( ' ' );
+ str.append( chars );
+ str.append( '\n' );
+ tmp.sprintf( "%04X: ", i+1 ); str.append( tmp );
+ bytes = "";
+ chars = "";
+ }
+
+ }
+ if ( (len % bpl) )
+ {
+ str.append( bytes.leftJustify( 1 + 3*bpl ) );
+ str.append( chars );
+ }
+ str.append( '\n' );
+ return str;
+}
+
+
+int OPacket::len() const
+{
+ return _hdr.len;
+}
+
+
+/*======================================================================================
+ * OEthernetPacket
+ *======================================================================================*/
+
+OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent )
+ :QObject( parent, "Ethernet" ), _ether( data )
+{
+
+ odebug << "Source = " << sourceAddress().toString();
+ odebug << "Destination = " << destinationAddress().toString();
+
+ if ( sourceAddress() == OMacAddress::broadcast )
+ odebug << "Source is broadcast address" << oendl;
+ if ( destinationAddress() == OMacAddress::broadcast )
+ odebug << "Destination is broadcast address" << oendl;
+
+ switch ( type() )
+ {
+ case ETHERTYPE_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break;
+ case ETHERTYPE_ARP: new OARPPacket( end, (const struct myarphdr*) (data+1), this ); break;
+ case ETHERTYPE_REVARP: { odebug << "OPacket::OPacket(): Received Ethernet Packet : Type = RARP" << oendl; break; }
+ default: odebug << "OPacket::OPacket(): Received Ethernet Packet : Type = UNKNOWN" << oendl;
+ }
+
+}
+
+
+OEthernetPacket::~OEthernetPacket()
+{
+}
+
+
+OMacAddress OEthernetPacket::sourceAddress() const
+{
+ return OMacAddress( _ether->ether_shost );
+}
+
+
+OMacAddress OEthernetPacket::destinationAddress() const
+{
+ return OMacAddress( _ether->ether_dhost );
+}
+
+int OEthernetPacket::type() const
+{
+ return ntohs( _ether->ether_type );
+}
+
+
+/*======================================================================================
+ * OIPPacket
+ *======================================================================================*/
+
+
+OIPPacket::OIPPacket( const unsigned char* end, const struct iphdr* data, QObject* parent )
+ :QObject( parent, "IP" ), _iphdr( data )
+{
+ odebug << "OIPPacket::OIPPacket(): decoding IP header..." << oendl;
+
+ odebug << "FromAddress = " << fromIPAddress().toString();
+ odebug << " toAddress = " << toIPAddress().toString();
+
+ switch ( protocol() )
+ {
+ case IPPROTO_UDP: new OUDPPacket( end, (const struct udphdr*) (data+1), this ); break;
+ case IPPROTO_TCP: new OTCPPacket( end, (const struct tcphdr*) (data+1), this ); break;
+ default: odebug << "OIPPacket::OIPPacket(): unknown IP protocol, type = " << protocol() << oendl;
+ }
+
+}
+
+OIPPacket::~OIPPacket()
+{
+}
+
+
+QHostAddress OIPPacket::fromIPAddress() const
+{
+ return EXTRACT_32BITS( &_iphdr->saddr );
+}
+
+
+QHostAddress OIPPacket::toIPAddress() const
+{
+ return EXTRACT_32BITS( &_iphdr->saddr );
+}
+
+
+int OIPPacket::tos() const
+{
+ return _iphdr->tos;
+}
+
+
+int OIPPacket::len() const
+{
+ return EXTRACT_16BITS( &_iphdr->tot_len );
+}
+
+
+int OIPPacket::id() const
+{
+ return EXTRACT_16BITS( &_iphdr->id );
+}
+
+
+int OIPPacket::offset() const
+{
+ return EXTRACT_16BITS( &_iphdr->frag_off );
+}
+
+
+int OIPPacket::ttl() const
+{
+ return _iphdr->ttl;
+}
+
+
+int OIPPacket::protocol() const
+{
+ return _iphdr->protocol;
+}
+
+
+int OIPPacket::checksum() const
+{
+ return EXTRACT_16BITS( &_iphdr->check );
+}
+
+/*======================================================================================
+ * OARPPacket
+ *======================================================================================*/
+
+
+OARPPacket::OARPPacket( const unsigned char* end, const struct myarphdr* data, QObject* parent )
+ :QObject( parent, "ARP" ), _arphdr( data )
+{
+ odebug << "OARPPacket::OARPPacket(): decoding ARP header..." << oendl;
+ odebug << "ARP type seems to be " << EXTRACT_16BITS( &_arphdr->ar_op ) << " = " << type() << oendl;
+ odebug << "Sender: MAC " << senderMacAddress().toString() << " = IP " << senderIPV4Address().toString() << oendl;
+ odebug << "Target: MAC " << targetMacAddress().toString() << " = IP " << targetIPV4Address().toString() << oendl;
+}
+
+
+OARPPacket::~OARPPacket()
+{
+}
+
+
+QString OARPPacket::type() const
+{
+ switch ( EXTRACT_16BITS( &_arphdr->ar_op ) )
+ {
+ case 1: return "REQUEST";
+ case 2: return "REPLY";
+ case 3: return "RREQUEST";
+ case 4: return "RREPLY";
+ case 8: return "InREQUEST";
+ case 9: return "InREPLY";
+ case 10: return "NAK";
+ default: qWarning( "OARPPacket::type(): invalid ARP type!" ); return "<unknown>";
+ }
+}
+
+
+QHostAddress OARPPacket::senderIPV4Address() const
+{
+ return EXTRACT_32BITS( &_arphdr->ar_sip );
+}
+
+
+QHostAddress OARPPacket::targetIPV4Address() const
+{
+ return EXTRACT_32BITS( &_arphdr->ar_tip );
+}
+
+
+OMacAddress OARPPacket::senderMacAddress() const
+{
+ return OMacAddress( _arphdr->ar_sha );
+}
+
+
+OMacAddress OARPPacket::targetMacAddress() const
+{
+ return OMacAddress( _arphdr->ar_tha );
+}
+
+
+/*======================================================================================
+ * OUDPPacket
+ *======================================================================================*/
+
+
+OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent )
+ :QObject( parent, "UDP" ), _udphdr( data )
+
+{
+ odebug << "OUDPPacket::OUDPPacket(): decoding UDP header..." << oendl;
+ odebug << "fromPort = " << fromPort() << oendl;
+ odebug << " toPort = " << toPort() << oendl;
+
+ // TODO: Make this a case or a hash if we know more udp protocols
+
+ if ( fromPort() == UDP_PORT_BOOTPS || fromPort() == UDP_PORT_BOOTPC ||
+ toPort() == UDP_PORT_BOOTPS || toPort() == UDP_PORT_BOOTPC )
+ {
+ odebug << "seems to be part of a DHCP conversation => creating DHCP packet." << oendl;
+ new ODHCPPacket( end, (const struct dhcp_packet*) (data+1), this );
+ }
+}
+
+
+OUDPPacket::~OUDPPacket()
+{
+}
+
+
+int OUDPPacket::fromPort() const
+{
+ return EXTRACT_16BITS( &_udphdr->source );
+}
+
+
+int OUDPPacket::toPort() const
+{
+ return EXTRACT_16BITS( &_udphdr->dest );
+}
+
+
+int OUDPPacket::length() const
+{
+ return EXTRACT_16BITS( &_udphdr->len );
+}
+
+
+int OUDPPacket::checksum() const
+{
+ return EXTRACT_16BITS( &_udphdr->check );
+}
+
+
+/*======================================================================================
+ * ODHCPPacket
+ *======================================================================================*/
+
+
+ODHCPPacket::ODHCPPacket( const unsigned char* end, const struct dhcp_packet* data, QObject* parent )
+ :QObject( parent, "DHCP" ), _dhcphdr( data )
+
+{
+ odebug << "ODHCPPacket::ODHCPPacket(): decoding DHCP information..." << oendl;
+ odebug << "DHCP opcode seems to be " << _dhcphdr->op << ": " << ( isRequest() ? "REQUEST" : "REPLY" ) << oendl;
+ odebug << "clientAddress = " << clientAddress().toString() << oendl;
+ odebug << " yourAddress = " << yourAddress().toString() << oendl;
+ odebug << "serverAddress = " << serverAddress().toString() << oendl;
+ odebug << " relayAddress = " << relayAddress().toString() << oendl;
+ odebug << "parsing DHCP options..." << oendl;
+
+ _type = 0;
+
+ const unsigned char* option = &_dhcphdr->options[4];
+ char tag = -1;
+ char len = -1;
+
+ while ( ( tag = *option++ ) != -1 /* end of option field */ )
+ {
+ len = *option++;
+ odebug << "recognized DHCP option #" << tag << ", length " << len << oendl;
+
+ if ( tag == DHO_DHCP_MESSAGE_TYPE )
+ _type = *option;
+
+ option += len;
+ if ( option >= end )
+ {
+ owarn << "DHCP parsing ERROR: sanity check says the packet is at its end!" << oendl;
+ break;
+ }
+ }
+
+ odebug << "DHCP type seems to be << " << type() << oendl;
+}
+
+
+ODHCPPacket::~ODHCPPacket()
+{
+}
+
+
+bool ODHCPPacket::isRequest() const
+{
+ return ( _dhcphdr->op == 01 );
+}
+
+
+bool ODHCPPacket::isReply() const
+{
+ return ( _dhcphdr->op == 02 );
+}
+
+
+QString ODHCPPacket::type() const
+{
+ switch ( _type )
+ {
+ case 1: return "DISCOVER";
+ case 2: return "OFFER";
+ case 3: return "REQUEST";
+ case 4: return "DECLINE";
+ case 5: return "ACK";
+ case 6: return "NAK";
+ case 7: return "RELEASE";
+ case 8: return "INFORM";
+ default: qWarning( "ODHCPPacket::type(): invalid DHCP type (%d) !", _dhcphdr->op ); return "<unknown>";
+ }
+}
+
+
+QHostAddress ODHCPPacket::clientAddress() const
+{
+ return EXTRACT_32BITS( &_dhcphdr->ciaddr );
+}
+
+
+QHostAddress ODHCPPacket::yourAddress() const
+{
+ return EXTRACT_32BITS( &_dhcphdr->yiaddr );
+}
+
+
+QHostAddress ODHCPPacket::serverAddress() const
+{
+ return EXTRACT_32BITS( &_dhcphdr->siaddr );
+}
+
+
+QHostAddress ODHCPPacket::relayAddress() const
+{
+ return EXTRACT_32BITS( &_dhcphdr->giaddr );
+}
+
+
+OMacAddress ODHCPPacket::clientMacAddress() const
+{
+ return OMacAddress( _dhcphdr->chaddr );
+}
+
+
+/*======================================================================================
+ * OTCPPacket
+ *======================================================================================*/
+
+
+OTCPPacket::OTCPPacket( const unsigned char* end, const struct tcphdr* data, QObject* parent )
+ :QObject( parent, "TCP" ), _tcphdr( data )
+
+{
+ odebug << "OTCPPacket::OTCPPacket(): decoding TCP header..." << oendl;
+}
+
+
+OTCPPacket::~OTCPPacket()
+{
+}
+
+
+int OTCPPacket::fromPort() const
+{
+ return EXTRACT_16BITS( &_tcphdr->source );
+}
+
+
+int OTCPPacket::toPort() const
+{
+ return EXTRACT_16BITS( &_tcphdr->dest );
+}
+
+
+int OTCPPacket::seq() const
+{
+ return EXTRACT_16BITS( &_tcphdr->seq );
+}
+
+
+int OTCPPacket::ack() const
+{
+ return EXTRACT_16BITS( &_tcphdr->ack_seq );
+}
+
+
+int OTCPPacket::window() const
+{
+ return EXTRACT_16BITS( &_tcphdr->window );
+}
+
+
+int OTCPPacket::checksum() const
+{
+ return EXTRACT_16BITS( &_tcphdr->check );
+}
+
+/*======================================================================================
+ * OPrismHeaderPacket
+ *======================================================================================*/
+
+
+OPrismHeaderPacket::OPrismHeaderPacket( const unsigned char* end, const struct prism_hdr* data, QObject* parent )
+ :QObject( parent, "Prism" ), _header( data )
+
+{
+ odebug << "OPrismHeaderPacket::OPrismHeaderPacket(): decoding PRISM header..." << oendl;
+
+ odebug << "Signal Strength = " << data->signal.data << oendl;
+
+ new OWaveLanPacket( end, (const struct ieee_802_11_header*) (data+1), this );
+}
+
+OPrismHeaderPacket::~OPrismHeaderPacket()
+{
+}
+
+
+unsigned int OPrismHeaderPacket::signalStrength() const
+{
+ return _header->signal.data;
+}
+
+/*======================================================================================
+ * OWaveLanPacket
+ *======================================================================================*/
+
+
+OWaveLanPacket::OWaveLanPacket( const unsigned char* end, const struct ieee_802_11_header* data, QObject* parent )
+ :QObject( parent, "802.11" ), _wlanhdr( data )
+
+{
+ odebug << "OWaveLanPacket::OWaveLanPacket(): decoding IEEE 802.11 header..." << oendl;
+ odebug << "type = " << type() << oendl;
+ odebug << "subType = " << subType() << oendl;
+ odebug << "duration = " << duration() << oendl;
+ odebug << "powermanagement = " << usesPowerManagement() << oendl;
+ odebug << "payload is encrypted = " << ( usesWep() ? "yes" : "no" ) << oendl;
+ odebug << "MAC1 = " << macAddress1().toString() << oendl;
+ odebug << "MAC2 = " << macAddress2().toString() << oendl;
+ odebug << "MAC3 = " << macAddress3().toString() << oendl;
+ odebug << "MAC4 = " << macAddress4().toString() << oendl;
+
+ switch ( type() )
+ {
+ case T_MGMT: new OWaveLanManagementPacket( end, (const struct ieee_802_11_mgmt_header*) data, this ); break;
+ case T_DATA: new OWaveLanDataPacket( end, (const struct ieee_802_11_data_header*) data, this ); break;
+ case T_CTRL: new OWaveLanControlPacket( end, (const struct ieee_802_11_control_header*) data, this ); break;
+ default: odebug << "OWaveLanPacket::OWaveLanPacket(): Warning: Unknown major type = " << type() << oendl;
+ }
+}
+
+OWaveLanPacket::~OWaveLanPacket()
+{
+}
+
+
+int OWaveLanPacket::duration() const
+{
+ return _wlanhdr->duration;
+}
+
+
+OMacAddress OWaveLanPacket::macAddress1() const
+{
+ return OMacAddress( _wlanhdr->mac1 );
+}
+
+
+OMacAddress OWaveLanPacket::macAddress2() const
+{
+ return OMacAddress( _wlanhdr->mac2 );
+}
+
+
+OMacAddress OWaveLanPacket::macAddress3() const
+{
+ return OMacAddress( _wlanhdr->mac3 );
+}
+
+
+OMacAddress OWaveLanPacket::macAddress4() const
+{
+ return OMacAddress( _wlanhdr->mac4 );
+}
+
+
+int OWaveLanPacket::subType() const
+{
+ return FC_SUBTYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+int OWaveLanPacket::type() const
+{
+ return FC_TYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+int OWaveLanPacket::version() const
+{
+ return FC_VERSION( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+bool OWaveLanPacket::fromDS() const
+{
+ return FC_FROM_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+bool OWaveLanPacket::toDS() const
+{
+ return FC_TO_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+bool OWaveLanPacket::usesPowerManagement() const
+{
+ return FC_POWER_MGMT( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+bool OWaveLanPacket::usesWep() const
+{
+ return FC_WEP( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
+}
+
+
+/*======================================================================================
+ * OWaveLanManagementPacket
+ *======================================================================================*/
+
+OWaveLanManagementPacket::OWaveLanManagementPacket( const unsigned char* end, const struct ieee_802_11_mgmt_header* data, OWaveLanPacket* parent )
+ :QObject( parent, "802.11 Management" ), _header( data ),
+ _body( (const struct ieee_802_11_mgmt_body*) (data+1) )
+{
+ odebug << "OWaveLanManagementPacket::OWaveLanManagementPacket(): decoding frame..." << oendl;
+ odebug << "Detected subtype is " << managementType() << oendl;
+
+ // grab tagged values
+ const unsigned char* ptr = (const unsigned char*) (_body+1);
+ while (ptr < end)
+ {
+ switch ( *ptr )
+ {
+ case E_SSID: new OWaveLanManagementSSID( end, (struct ssid_t*) ptr, this ); break;
+ case E_FH: new OWaveLanManagementFH( end, (struct fh_t*) ptr, this ); break;
+ case E_DS: new OWaveLanManagementDS( end, (struct ds_t*) ptr, this ); break;
+ case E_RATES: new OWaveLanManagementRates( end, (struct rates_t*) ptr, this ); break;
+ case E_CF: new OWaveLanManagementCF( end, (struct cf_t*) ptr, this ); break;
+ case E_TIM: new OWaveLanManagementTim( end, (struct tim_t*) ptr, this ); break;
+ case E_IBSS: new OWaveLanManagementIBSS( end, (struct ibss_t*) ptr, this ); break;
+ case E_CHALLENGE: new OWaveLanManagementChallenge( end, (struct challenge_t*) ptr, this ); break;
+ }
+ ptr+= ( ( struct ssid_t* ) ptr )->length; // skip length of tagged value
+ ptr+= 2; // skip tag ID and length
+ }
+}
+
+
+OWaveLanManagementPacket::~OWaveLanManagementPacket()
+{
+}
+
+
+QString OWaveLanManagementPacket::managementType() const
+{
+ switch ( FC_SUBTYPE( EXTRACT_LE_16BITS( &_header->fc ) ) )
+ {
+ case ST_ASSOC_REQUEST: return "AssociationRequest"; break;
+ case ST_ASSOC_RESPONSE: return "AssociationResponse"; break;
+ case ST_REASSOC_REQUEST: return "ReassociationRequest"; break;
+ case ST_REASSOC_RESPONSE: return "ReassociationResponse"; break;
+ case ST_PROBE_REQUEST: return "ProbeRequest"; break;
+ case ST_PROBE_RESPONSE: return "ProbeResponse"; break;
+ case ST_BEACON: return "Beacon"; break;
+ case ST_ATIM: return "Atim"; break;
+ case ST_DISASSOC: return "Disassociation"; break;
+ case ST_AUTH: return "Authentication"; break;
+ case ST_DEAUTH: return "Deathentication"; break;
+ default:
+ qWarning( "OWaveLanManagementPacket::managementType(): unhandled subtype %d", FC_SUBTYPE( EXTRACT_LE_16BITS( &_header->fc ) ) );
+ return "Unknown";
+ }
+}
+
+
+int OWaveLanManagementPacket::beaconInterval() const
+{
+ return EXTRACT_LE_16BITS( &_body->beacon_interval );
+}
+
+
+int OWaveLanManagementPacket::capabilities() const
+{
+ return EXTRACT_LE_16BITS( &_body->capability_info );
+}
+
+
+bool OWaveLanManagementPacket::canESS() const
+{
+ return CAPABILITY_ESS( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canIBSS() const
+{
+ return CAPABILITY_IBSS( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canCFP() const
+{
+ return CAPABILITY_CFP( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canCFP_REQ() const
+{
+ return CAPABILITY_CFP_REQ( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canPrivacy() const
+{
+ return CAPABILITY_PRIVACY( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+/*======================================================================================
+ * OWaveLanManagementSSID
+ *======================================================================================*/
+
+OWaveLanManagementSSID::OWaveLanManagementSSID( const unsigned char* end, const struct ssid_t* data, QObject* parent )
+ :QObject( parent, "802.11 SSID" ), _data( data )
+{
+ odebug << "OWaveLanManagementSSID()" << oendl;
+}
+
+
+OWaveLanManagementSSID::~OWaveLanManagementSSID()
+{
+}
+
+
+QString OWaveLanManagementSSID::ID() const
+{
+ int length = _data->length;
+ if ( length > 32 ) length = 32;
+ char essid[length+1];
+ memcpy( &essid, &_data->ssid, length );
+ essid[length] = 0x0;
+ return essid;
+}
+
+
+/*======================================================================================
+ * OWaveLanManagementRates
+ *======================================================================================*/
+
+OWaveLanManagementRates::OWaveLanManagementRates( const unsigned char* end, const struct rates_t* data, QObject* parent )
+ :QObject( parent, "802.11 Rates" ), _data( data )
+{
+ odebug << "OWaveLanManagementRates()" << oendl;
+}
+
+
+OWaveLanManagementRates::~OWaveLanManagementRates()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementCF
+ *======================================================================================*/
+
+OWaveLanManagementCF::OWaveLanManagementCF( const unsigned char* end, const struct cf_t* data, QObject* parent )
+ :QObject( parent, "802.11 CF" ), _data( data )
+{
+ odebug << "OWaveLanManagementCF()" << oendl;
+}
+
+
+OWaveLanManagementCF::~OWaveLanManagementCF()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementFH
+ *======================================================================================*/
+
+OWaveLanManagementFH::OWaveLanManagementFH( const unsigned char* end, const struct fh_t* data, QObject* parent )
+ :QObject( parent, "802.11 FH" ), _data( data )
+{
+ odebug << "OWaveLanManagementFH()" << oendl;
+}
+
+
+OWaveLanManagementFH::~OWaveLanManagementFH()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementDS
+ *======================================================================================*/
+
+OWaveLanManagementDS::OWaveLanManagementDS( const unsigned char* end, const struct ds_t* data, QObject* parent )
+ :QObject( parent, "802.11 DS" ), _data( data )
+{
+ odebug << "OWaveLanManagementDS()" << oendl;
+}
+
+
+OWaveLanManagementDS::~OWaveLanManagementDS()
+{
+}
+
+
+int OWaveLanManagementDS::channel() const
+{
+ return _data->channel;
+}
+
+/*======================================================================================
+ * OWaveLanManagementTim
+ *======================================================================================*/
+
+OWaveLanManagementTim::OWaveLanManagementTim( const unsigned char* end, const struct tim_t* data, QObject* parent )
+ :QObject( parent, "802.11 Tim" ), _data( data )
+{
+ odebug << "OWaveLanManagementTim()" << oendl;
+}
+
+
+OWaveLanManagementTim::~OWaveLanManagementTim()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementIBSS
+ *======================================================================================*/
+
+OWaveLanManagementIBSS::OWaveLanManagementIBSS( const unsigned char* end, const struct ibss_t* data, QObject* parent )
+ :QObject( parent, "802.11 IBSS" ), _data( data )
+{
+ odebug << "OWaveLanManagementIBSS()" << oendl;
+}
+
+
+OWaveLanManagementIBSS::~OWaveLanManagementIBSS()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementChallenge
+ *======================================================================================*/
+
+OWaveLanManagementChallenge::OWaveLanManagementChallenge( const unsigned char* end, const struct challenge_t* data, QObject* parent )
+ :QObject( parent, "802.11 Challenge" ), _data( data )
+{
+ odebug << "OWaveLanManagementChallenge()" << oendl;
+}
+
+
+OWaveLanManagementChallenge::~OWaveLanManagementChallenge()
+{
+}
+
+/*======================================================================================
+ * OWaveLanDataPacket
+ *======================================================================================*/
+
+OWaveLanDataPacket::OWaveLanDataPacket( const unsigned char* end, const struct ieee_802_11_data_header* data, OWaveLanPacket* parent )
+ :QObject( parent, "802.11 Data" ), _header( data )
+{
+ odebug << "OWaveLanDataPacket::OWaveLanDataPacket(): decoding frame..." << oendl;
+
+ const unsigned char* payload = (const unsigned char*) data + sizeof( struct ieee_802_11_data_header );
+
+ #warning The next line works for most cases, but can not be correct generally!
+ if (!( ( (OWaveLanPacket*) this->parent())->duration() )) payload -= 6; // compensation for missing last address
+
+ new OLLCPacket( end, (const struct ieee_802_11_802_2_header*) payload, this );
+}
+
+
+OWaveLanDataPacket::~OWaveLanDataPacket()
+{
+}
+
+
+/*======================================================================================
+ * OLLCPacket
+ *======================================================================================*/
+
+OLLCPacket::OLLCPacket( const unsigned char* end, const struct ieee_802_11_802_2_header* data, QObject* parent )
+ :QObject( parent, "802.11 LLC" ), _header( data )
+{
+ odebug << "OLLCPacket::OLLCPacket(): decoding frame..." << oendl;
+
+ if ( !(_header->oui[0] || _header->oui[1] || _header->oui[2]) )
+ {
+ owarn << "OLLCPacket::OLLCPacket(): contains an encapsulated Ethernet frame (type = " << EXTRACT_16BITS( &_header->type ) << ")" << oendl;
+
+ switch ( EXTRACT_16BITS( &_header->type ) ) // defined in linux/if_ether.h
+ {
+ case ETH_P_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break;
+ case ETH_P_ARP: new OARPPacket( end, (const struct myarphdr*) (data+1), this ); break;
+ default: owarn << "OLLCPacket::OLLCPacket(): Unknown Encapsulation type = " << EXTRACT_16BITS( &_header->type ) << oendl;
+ }
+ }
+}
+
+
+OLLCPacket::~OLLCPacket()
+{
+}
+
+
+/*======================================================================================
+ * OWaveLanControlPacket
+ *======================================================================================*/
+
+OWaveLanControlPacket::OWaveLanControlPacket( const unsigned char* end, const struct ieee_802_11_control_header* data, OWaveLanPacket* parent )
+ :QObject( parent, "802.11 Control" ), _header( data )
+{
+ odebug << "OWaveLanControlPacket::OWaveLanDataControl(): decoding frame..." << oendl;
+ //TODO: Implement this
+}
+
+
+OWaveLanControlPacket::~OWaveLanControlPacket()
+{
+}
+
+
+/*======================================================================================
+ * OPacketCapturer
+ *======================================================================================*/
+
+OPacketCapturer::OPacketCapturer( QObject* parent, const char* name )
+ :QObject( parent, name ), _name( QString::null ), _open( false ),
+ _pch( 0 ), _pcd( 0 ), _sn( 0 )
+{
+}
+
+
+OPacketCapturer::~OPacketCapturer()
+{
+ if ( _open )
+ {
+ odebug << "OPacketCapturer::~OPacketCapturer(): pcap still open, autoclosing." << oendl;
+ close();
+ }
+}
+
+
+void OPacketCapturer::setBlocking( bool b )
+{
+ if ( pcap_setnonblock( _pch, 1-b, _errbuf ) != -1 )
+ {
+ odebug << "OPacketCapturer::setBlocking(): blocking mode changed successfully." << oendl;
+ }
+ else
+ {
+ odebug << "OPacketCapturer::setBlocking(): can't change blocking mode: " << _errbuf << oendl;
+ }
+}
+
+
+bool OPacketCapturer::blocking() const
+{
+ int b = pcap_getnonblock( _pch, _errbuf );
+ if ( b == -1 )
+ {
+ odebug << "OPacketCapturer::blocking(): can't get blocking mode: " << _errbuf << oendl;
+ return -1;
+ }
+ return !b;
+}
+
+
+void OPacketCapturer::closeDumpFile()
+{
+ if ( _pcd )
+ {
+ pcap_dump_close( _pcd );
+ _pcd = 0;
+ }
+ pcap_close( _pch );
+}
+
+
+void OPacketCapturer::close()
+{
+ if ( _open )
+ {
+ if ( _sn )
+ {
+ _sn->disconnect( SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
+ delete _sn;
+ }
+ closeDumpFile();
+ _open = false;
+ }
+
+ odebug << "OPacketCapturer::close() --- dumping capturing statistics..." << oendl;
+ odebug << "--------------------------------------------------" << oendl;
+ for( QMap<QString,int>::Iterator it = _stats.begin(); it != _stats.end(); ++it )
+ odebug << it.key() << " = " << it.data() << oendl;
+ odebug << "--------------------------------------------------" << oendl;
+
+}
+
+
+int OPacketCapturer::dataLink() const
+{
+ return pcap_datalink( _pch );
+}
+
+
+void OPacketCapturer::dump( OPacket* p )
+{
+ if ( !_pcd )
+ {
+ qWarning( "OPacketCapturer::dump() - cannot dump without open capture file!" );
+ return;
+ }
+ pcap_dump( (u_char*) _pcd, &p->_hdr, p->_data );
+}
+
+
+int OPacketCapturer::fileno() const
+{
+ if ( _open )
+ {
+ return pcap_fileno( _pch );
+ }
+ else
+ {
+ return -1;
+ }
+}
+
+
+OPacket* OPacketCapturer::next( int time )
+{
+ fd_set fds;
+ struct timeval tv;
+ FD_ZERO( &fds );
+ FD_SET( pcap_fileno( _pch ), &fds );
+ tv.tv_sec = time / 1000;
+ tv.tv_usec = time % 1000;
+ int retval = select( pcap_fileno( _pch )+1, &fds, NULL, NULL, &tv);
+ if ( retval > 0 ) // clear to read!
+ return next();
+ else
+ return 0;
+}
+
+
+OPacket* OPacketCapturer::next()
+{
+ packetheaderstruct header;
+ odebug << "==> OPacketCapturer::next()" << oendl;
+ const unsigned char* pdata = pcap_next( _pch, &header );
+ odebug << "<== OPacketCapturer::next()" << oendl;
+
+ if ( pdata && header.len )
+ {
+ OPacket* p = new OPacket( dataLink(), header, pdata, 0 );
+ // packets shouldn't be inserted in the QObject child-parent hierarchy,
+ // because due to memory constraints they will be deleted as soon
+ // as possible - that is right after they have been processed
+ // by emit() [ see below ]
+ //TODO: make gathering statistics optional, because it takes time
+ p->updateStats( _stats, const_cast<QObjectList*>( p->children() ) );
+ #ifndef NODEBUG
+ p->dumpStructure( const_cast<QObjectList*>( p->children() ) );
+ #endif
+ return p;
+ }
+ else
+ {
+ qWarning( "OPacketCapturer::next() - no packet received!" );
+ return 0;
+ }
+}
+
+
+bool OPacketCapturer::open( const QString& name )
+{
+ if ( _open )
+ {
+ if ( name == _name ) // ignore opening an already openend device
+ {
+ return true;
+ }
+ else // close the last opened device
+ {
+ close();
+ }
+ }
+
+ _name = name;
+
+ // open libpcap
+ pcap_t* handle = pcap_open_live( const_cast<char*>( (const char*) name ), 1024, 0, 0, &_errbuf[0] );
+
+ if ( !handle )
+ {
+ owarn << "OPacketCapturer::open(): can't open libpcap with '" << name << "': " << _errbuf << oendl;
+ return false;
+ }
+
+ odebug << "OPacketCapturer::open(): libpcap [" << name << "] opened successfully." << oendl;
+ _pch = handle;
+ _open = true;
+ _stats.clear();
+
+ // in case we have an application object, create a socket notifier
+ if ( qApp ) //TODO: I don't like this here...
+ {
+ _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read );
+ connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
+ }
+
+ return true;
+}
+
+
+bool OPacketCapturer::openDumpFile( const QString& filename )
+{
+ pcap_dumper_t* dump = pcap_dump_open( _pch, const_cast<char*>( (const char*) filename ) );
+ if ( !dump )
+ {
+ owarn << "OPacketCapturer::open(): can't open dump with '" << filename << "': " << _errbuf << oendl;
+ return false;
+ }
+ odebug << "OPacketCapturer::open(): dump [" << filename << "] opened successfully." << oendl;
+ _pcd = dump;
+
+ return true;
+}
+
+
+bool OPacketCapturer::open( const QFile& file )
+{
+ QString name = file.name();
+
+ if ( _open )
+ {
+ close();
+ if ( name == _name ) // ignore opening an already openend device
+ {
+ return true;
+ }
+ else // close the last opened device
+ {
+ close();
+ }
+ }
+
+ _name = name;
+
+ pcap_t* handle = pcap_open_offline( const_cast<char*>( (const char*) name ), &_errbuf[0] );
+
+ if ( handle )
+ {
+ odebug << "OPacketCapturer::open(): libpcap opened successfully." << oendl;
+ _pch = handle;
+ _open = true;
+
+ // in case we have an application object, create a socket notifier
+ if ( qApp )
+ {
+ _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read );
+ connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
+ }
+
+ return true;
+ }
+ else
+ {
+ odebug << "OPacketCapturer::open(): can't open libpcap with '" << name << "': " << _errbuf << oendl;
+ return false;
+ }
+
+}
+
+
+bool OPacketCapturer::isOpen() const
+{
+ return _open;
+}
+
+
+void OPacketCapturer::readyToReceive()
+{
+ odebug << "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(p)'" << oendl;
+ OPacket* p = next();
+ emit receivedPacket( p );
+ // emit is synchronous - packet has been dealt with, now it's safe to delete
+ delete p;
+}
+
+
+const QMap<QString,int>& OPacketCapturer::statistics() const
+{
+ return _stats;
+}
+
+
+int OPacketCapturer::snapShot() const
+{
+ return pcap_snapshot( _pch );
+}
+
+
+bool OPacketCapturer::swapped() const
+{
+ return pcap_is_swapped( _pch );
+}
+
+
+QString OPacketCapturer::version() const
+{
+ return QString().sprintf( "%s.%s", pcap_major_version( _pch ), pcap_minor_version( _pch ) );
+}
+
+
diff --git a/libopie2/opienet/ostation.cpp b/libopie2/opienet/ostation.cpp index c363f0c..8c989d8 100644 --- a/libopie2/opienet/ostation.cpp +++ b/libopie2/opienet/ostation.cpp @@ -29,6 +29,7 @@ */ #include <opie2/ostation.h> +#include <opie2/odebug.h> /*====================================================================================== * OStation @@ -36,7 +37,7 @@ OStation::OStation() { - qDebug( "OStation::OStation()" ); + odebug << "OStation::OStation()" << oendl; type = "<unknown>"; macAddress = OMacAddress::unknown; @@ -49,13 +50,13 @@ OStation::OStation() OStation::~OStation() { - qDebug( "OStation::~OStation()" ); + odebug << "OStation::~OStation()" << oendl; } void OStation::dump() { - qDebug( "------- OStation::dump() ------------" ); + odebug << "------- OStation::dump() ------------" << oendl; qDebug( "type: %s", (const char*) type ); qDebug( "mac: %s", (const char*) macAddress.toString() ); qDebug( "ap: %s", (const char*) apAddress.toString() ); |