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-rw-r--r--libopie2/opienet/onetwork.cpp774
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diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
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+++ b/libopie2/opienet/onetwork.cpp
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+/*
+                 This file is part of the Opie Project
+              Copyright (C) 2003 by the Wellenreiter team:
+ Martin J. Muench <mjm@remote-exploit.org>
+ Max Moser <mmo@remote-exploit.org
+ Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.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>
+
+/* QT */
+
+#include <qfile.h>
+#include <qtextstream.h>
+
+/* UNIX */
+
+#include <arpa/inet.h>
+#include <cerrno>
+#include <cstring>
+#include <cstdlib>
+#include <math.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <linux/wireless.h>
+
+using namespace std;
+
+/*======================================================================================
+ * ONetwork
+ *======================================================================================*/
+
+ONetwork* ONetwork::_instance = 0;
+
+ONetwork::ONetwork()
+{
+ qDebug( "ONetwork::ONetwork()" );
+ synchronize();
+}
+
+void ONetwork::synchronize()
+{
+ // gather available interfaces by inspecting /proc/net/dev
+ // we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices
+
+ _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( str );
+ qDebug( "ONetwork: interface '%s' has Wireless Extensions", (const char*) str );
+ }
+ else
+ {
+ iface = new ONetworkInterface( str );
+ }
+ _interfaces.insert( str, iface );
+ s.readLine();
+ }
+}
+
+
+ONetworkInterface* ONetwork::interface( 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_DGRAM, 0 );
+ iwreqstruct iwr;
+ memset( &iwr, 0, sizeof( iwreqstruct ) );
+ strcpy( (char*) &iwr.ifr_name, name );
+ int result = ::ioctl( sfd, SIOCGIWNAME, &iwr );
+ if ( result == -1 )
+ qDebug( "ONetwork::ioctl(): SIOCGIWNAME failed: %d (%s)", result, strerror( errno ) );
+ else
+ qDebug( "ONetwork::ioctl(): SIOCGIWNAME ok." );
+ return ( result != -1 );
+}
+
+/*======================================================================================
+ * ONetworkInterface
+ *======================================================================================*/
+
+ONetworkInterface::ONetworkInterface( const QString& name )
+ :_name( name ), _sfd( socket( AF_INET, SOCK_DGRAM, 0 ) ), _mon( 0 )
+{
+ qDebug( "ONetworkInterface::ONetworkInterface()" );
+ init();
+}
+
+
+ifreqstruct& 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'", (const char*) _name );
+ return;
+ }
+}
+
+
+bool ONetworkInterface::ioctl( int call, ifreqstruct& ifreq ) const
+{
+ int result = ::ioctl( _sfd, call, &ifreq );
+ if ( result == -1 )
+ qDebug( "ONetworkInterface::ioctl(): Call %d - Status: Failed: %d (%s)", call, result, strerror( errno ) );
+ else
+ qDebug( "ONetworkInterface::ioctl(): Call %d - Status: Ok.", call );
+ return ( result != -1 );
+}
+
+
+bool ONetworkInterface::ioctl( int call ) const
+{
+ strcpy( _ifr.ifr_name, (const char*) _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;
+}
+
+
+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>";
+}
+
+
+OMacAddress ONetworkInterface::macAddress() const
+{
+ if ( ioctl( SIOCGIFHWADDR ) )
+ {
+ return OMacAddress( _ifr );
+ }
+ else
+ {
+ return OMacAddress::unknown;
+ }
+}
+
+
+void ONetworkInterface::setMonitoring( OMonitoringInterface* m )
+{
+ _mon = m;
+ qDebug( "ONetwork::setMonitoring(): Installed monitoring interface '%s'", (const char*) m->name() );
+}
+
+
+OMonitoringInterface* ONetworkInterface::monitoring() const
+{
+ return _mon;
+}
+
+
+const QString& ONetworkInterface::name() const
+{
+ return _name;
+}
+
+
+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 ), _channel( 0 ), _tid( 0 )
+{
+}
+
+
+OChannelHopper::~OChannelHopper()
+{
+}
+
+
+void OChannelHopper::timerEvent( QTimerEvent* )
+{
+ //FIXME: Get available channels from OWirelessNetworkInterface
+ if ( --_channel < 0 ) _channel = 13;
+ _iface->setChannel( _channel );
+ qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'",
+ _channel, (const char*) _iface->name() );
+}
+
+
+void OChannelHopper::setInterval( int interval )
+{
+ if ( interval == _interval )
+ return;
+
+ if ( _interval )
+ killTimer( _tid );
+
+ _interval = interval;
+
+ if ( _interval )
+ {
+ _tid = startTimer( interval );
+ }
+}
+
+
+int OChannelHopper::interval() const
+{
+ return _interval;
+}
+
+
+/*======================================================================================
+ * OWirelessNetworkInterface
+ *======================================================================================*/
+
+OWirelessNetworkInterface::OWirelessNetworkInterface( const QString& name )
+ :ONetworkInterface( name ), _hopper( this )
+{
+ qDebug( "OWirelessNetworkInterface::OWirelessNetworkInterface()" );
+ init();
+}
+
+
+OWirelessNetworkInterface::~OWirelessNetworkInterface()
+{
+}
+
+
+iwreqstruct& OWirelessNetworkInterface::iwr() const
+{
+ return _iwr;
+}
+
+
+void OWirelessNetworkInterface::init()
+{
+ qDebug( "OWirelessNetworkInterface::init()" );
+
+ memset( &_iwr, 0, sizeof( struct iwreq ) );
+
+ // IEEE802.11(b) radio frequency channels
+ //FIXME: get these directly from the interface
+ //FIXME: check if these channels are off-by-one
+
+ iwrangestruct range;
+ _iwr.u.data.pointer = (char*) &range;
+ _iwr.u.data.length = sizeof( iwrangestruct );
+ if ( !wioctl( SIOCGIWRANGE ) )
+ {
+ qDebug( "OWirelessNetworkInterface::init(): SIOCGIWRANGE failed (%s)", strerror( errno ) );
+ return;
+ }
+
+ //TODO: Find out what the difference between num_channel and
+ // num_frequency is about.
+
+ for ( int i = 0; i < range.num_frequency; ++i )
+ {
+ int freq = (int) ( double( range.freq[i].m ) * pow( 10, range.freq[i].e ) / 1000000.0 );
+ _channels.insert( freq, i );
+ }
+}
+
+
+QString OWirelessNetworkInterface::associatedAP() const
+{
+ //FIXME: use OMacAddress
+ QString mac;
+
+ if ( ioctl( SIOCGIWAP ) )
+ {
+ mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
+ _ifr.ifr_hwaddr.sa_data[0]&0xff,
+ _ifr.ifr_hwaddr.sa_data[1]&0xff,
+ _ifr.ifr_hwaddr.sa_data[2]&0xff,
+ _ifr.ifr_hwaddr.sa_data[3]&0xff,
+ _ifr.ifr_hwaddr.sa_data[4]&0xff,
+ _ifr.ifr_hwaddr.sa_data[5]&0xff );
+ }
+ else
+ {
+ mac = "<Unknown>";
+ }
+ return mac;
+}
+
+
+int OWirelessNetworkInterface::channel() const
+{
+ if ( !wioctl( SIOCGIWFREQ ) )
+ {
+ return -1;
+ }
+ else
+ {
+ //FIXME: This is off-by-one !? Why?
+ return _channels[ static_cast<int>(double( _iwr.u.freq.m ) * pow( 10, _iwr.u.freq.e ) / 1000000) ];
+ }
+}
+
+
+void OWirelessNetworkInterface::setChannel( int c ) const
+{
+ if ( !_mon )
+ {
+ memset( &_iwr, 0, sizeof( iwreqstruct ) );
+ _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, _iwr.u.freq.e ) / 1000000000.0;
+ }
+}
+
+
+int OWirelessNetworkInterface::channels() const
+{
+ return _channels.count();
+}
+
+
+void OWirelessNetworkInterface::setChannelHopping( int interval )
+{
+ _hopper.setInterval( interval );
+}
+
+
+int OWirelessNetworkInterface::channelHopping() const
+{
+ return _hopper.interval();
+}
+
+
+void OWirelessNetworkInterface::setMonitorMode( bool b )
+{
+ if ( _mon )
+ _mon->setEnabled( b );
+ else
+ qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
+}
+
+bool OWirelessNetworkInterface::monitorMode() const
+{
+ return _mon ? _mon->enabled() : false;
+}
+
+
+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;
+ }
+}
+
+
+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 );
+}
+
+
+bool OWirelessNetworkInterface::wioctl( int call, iwreqstruct& iwreq ) const
+{
+ int result = ::ioctl( _sfd, call, &iwreq );
+ if ( result == -1 )
+ qDebug( "ONetworkInterface::wioctl(): Call %d - Status: Failed: %d (%s)", call, result, strerror( errno ) );
+ else
+ qDebug( "ONetworkInterface::wioctl(): Call %d - Status: Ok.", call );
+ return ( result != -1 );
+}
+
+
+bool OWirelessNetworkInterface::wioctl( int call ) const
+{
+ strcpy( _iwr.ifr_name, (const char*) _name );
+ return wioctl( call, _iwr );
+}
+
+
+/*======================================================================================
+ * OMonitoringInterface
+ *======================================================================================*/
+
+OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface )
+ :_enabled( false ), _if( static_cast<OWirelessNetworkInterface*>( iface ) )
+{
+}
+
+
+OMonitoringInterface::~OMonitoringInterface()
+{
+}
+
+
+void OMonitoringInterface::setChannel( int c )
+{
+ // use standard WE channel switching protocol
+ memset( &_if->_iwr, 0, sizeof( iwreqstruct ) );
+ _if->_iwr.u.freq.m = c;
+ _if->_iwr.u.freq.e = 0;
+ _if->wioctl( SIOCSIWFREQ );
+}
+
+
+bool OMonitoringInterface::enabled() const
+{
+ return _enabled;
+}
+
+void OMonitoringInterface::setEnabled( bool b )
+{
+ // open a packet capturer here or leave this to
+ // the client code?
+
+ /*
+
+ if ( b )
+ {
+ OPacketCapturer* opcap = new OPacketCapturer();
+ opcap->open( _if->name() );
+ }
+ */
+
+ _enabled = b;
+
+}
+
+/*======================================================================================
+ * OCiscoMonitoringInterface
+ *======================================================================================*/
+
+OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface )
+ :OMonitoringInterface( iface )
+{
+ 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";
+
+ OMonitoringInterface::setEnabled( b );
+
+ }
+
+ // 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 )
+ :OMonitoringInterface( iface )
+{
+ 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 cmd;
+ cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s", (const char*) _if->name(), 1, (const char*) enable );
+ system( cmd );
+
+ OMonitoringInterface::setEnabled( b );
+}
+
+
+QString OWlanNGMonitoringInterface::name() const
+{
+ return "wlan-ng";
+}
+
+
+void OWlanNGMonitoringInterface::setChannel( int )
+{
+ // wlan-ng devices automatically switch channels when in monitor mode
+}
+
+
+/*======================================================================================
+ * OHostAPMonitoringInterface
+ *======================================================================================*/
+
+OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface )
+ :OMonitoringInterface( iface )
+{
+ iface->setMonitoring( this );
+}
+
+OHostAPMonitoringInterface::~OHostAPMonitoringInterface()
+{
+}
+
+void OHostAPMonitoringInterface::setEnabled( bool b )
+{
+ // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15
+ // Wireless Extensions < Version 15 need iwpriv commandos for monitoring
+
+ #if WIRELESS_EXT > 14
+ _if->_iwr.u.mode = IW_MODE_MONITOR;
+ _if->wioctl( SIOCSIWMODE );
+ #else
+ int* args = (int*) &_if._iwr.u.name;
+ args[0] = 2;
+ args[1] = 0;
+ _if->wioctl( SIOCDEVPRIVATE );
+ #endif
+
+ OMonitoringInterface::setEnabled( b );
+}
+
+
+QString OHostAPMonitoringInterface::name() const
+{
+ return "hostap";
+}
+
+
+/*======================================================================================
+ * OOrinocoNetworkInterface
+ *======================================================================================*/
+
+OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface )
+ :OMonitoringInterface( iface )
+{
+ iface->setMonitoring( this );
+}
+
+
+OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface()
+{
+}
+
+
+void OOrinocoMonitoringInterface::setChannel( int c )
+{
+ // call iwpriv <device> monitor 2 <channel>
+ int* args = (int*) &_if->_iwr.u.name;
+ args[0] = 2;
+ args[1] = c;
+ _if->wioctl( SIOCIWFIRSTPRIV + 0x8 );
+}
+
+
+void OOrinocoMonitoringInterface::setEnabled( bool b )
+{
+ if ( b )
+ {
+ setChannel( 1 );
+ }
+ else
+ {
+ // call iwpriv <device> monitor 0 0
+ int* args = (int*) &_if->_iwr.u.name;
+ args[0] = 0;
+ args[1] = 0;
+ _if->wioctl( SIOCIWFIRSTPRIV + 0x8 );
+ }
+
+ OMonitoringInterface::setEnabled( b );
+}
+
+
+QString OOrinocoMonitoringInterface::name() const
+{
+ return "orinoco";
+}