| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 106 | ||||
| -rw-r--r-- | libopie2/opienet/onetwork.h | 16 |
2 files changed, 69 insertions, 53 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 50c6679..c329e9a 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -1,1174 +1,1192 @@ /* 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> #include <opie2/ostation.h> /* QT */ #include <qfile.h> #include <qtextstream.h> /* UNIX */ #include <assert.h> #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/sockios.h> #include <net/if_arp.h> #include <stdarg.h> using namespace std; #ifndef NODEBUG #include <opie2/oioctlmap.h> IntStringMap* _ioctlmap = constructIoctlMap(); #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*) *(*_ioctlmap)[call], call, result, strerror( errno ) ); else qDebug( "ONetworkInterface::ioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) *(*_ioctlmap)[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::setMode( const QString& mode ) +void OWirelessNetworkInterface::commit() const { - _iwr.u.mode = stringToMode( mode ); - wioctl( SIOCSIWMODE ); + wioctl( SIOCSIWCOMMIT ); } -QString OWirelessNetworkInterface::mode() const +void OWirelessNetworkInterface::setMode( const QString& newMode ) { - if ( !wioctl( SIOCGIWMODE ) ) + #ifdef FINALIZE + QString currentMode = mode(); + if ( currentMode == newMode ) return; + #endif + + qDebug( "OWirelessNetworkInterface::setMode(): trying to set mode '%s' (%d)", (const char*) newMode, stringToMode( newMode ) ); + + _iwr.u.mode = stringToMode( newMode ); + + if ( _iwr.u.mode != IW_MODE_MONITOR ) { - return "<unknown>"; + // IWR.U.MODE WIRD DURCH ABFRAGE DES MODE HIER PLATTGEMACHT!!!!!!!!!!!!!!!!!!!!! DEPP! + _iwr.u.mode = stringToMode( newMode ); + wioctl( SIOCSIWMODE ); + + // special iwpriv fallback for monitor mode (check if we're really out of monitor mode now) + + if ( mode() == "monitor" ) + { + qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not sufficient - trying fallback to iwpriv..." ); + if ( _mon ) + _mon->setEnabled( false ); + else + qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); + } + + } + else // special iwpriv fallback for monitor mode + { + if ( wioctl( SIOCSIWMODE ) ) + { + qDebug( "OWirelessNetworkInterface::setMode(): IW_MODE_MONITOR ok" ); + } + else + { + qDebug( "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not working - trying fallback to iwpriv..." ); + + if ( _mon ) + _mon->setEnabled( true ); + else + qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); + } } - return modeToString( _iwr.u.mode ); } -void OWirelessNetworkInterface::setMonitorMode( bool b ) +QString OWirelessNetworkInterface::mode() const { - if ( _mon ) - _mon->setEnabled( b ); - else - qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" ); -} + memset( &_iwr, 0, sizeof( struct iwreq ) ); + + if ( !wioctl( SIOCGIWMODE ) ) + { + return "<unknown>"; + } + qDebug( "DEBUG: WE's idea of current mode seems to be '%s'", (const char*) modeToString( _iwr.u.mode ) ); -bool OWirelessNetworkInterface::monitorMode() const -{ - qDebug( "dataLinkType = %d", dataLinkType() ); - return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 ); - //FIXME: 802 is the header type for PRISM - Linux support for this is pending... - //FIXME: What is 119, by the way? -} + // legacy compatible monitor mode check + if ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 ) + { + return "monitor"; + } + else + { + return modeToString( _iwr.u.mode ); + } +} void OWirelessNetworkInterface::setNickName( const QString& nickname ) { _iwr.u.essid.pointer = const_cast<char*>( (const char*) nickname ); _iwr.u.essid.length = nickname.length(); wioctl( SIOCSIWNICKN ); } QString OWirelessNetworkInterface::nickName() const { char str[IW_ESSID_MAX_SIZE]; _iwr.u.data.pointer = &str[0]; _iwr.u.data.length = IW_ESSID_MAX_SIZE; if ( !wioctl( SIOCGIWNICKN ) ) { return "<unknown>"; } else { str[_iwr.u.data.length] = 0x0; // some drivers (e.g. wlan-ng) don't zero-terminate the string return str; } } void OWirelessNetworkInterface::setPrivate( const QString& call, int numargs, ... ) { OPrivateIOCTL* priv = static_cast<OPrivateIOCTL*>( child( (const char*) call ) ); if ( !priv ) { qDebug( "OWirelessNetworkInterface::setPrivate(): interface '%s' does not support private ioctl '%s'", name(), (const char*) call ); return; } if ( priv->numberSetArgs() != numargs ) { qDebug( "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '%s' expects %d arguments, but got %d", (const char*) call, priv->numberSetArgs(), numargs ); return; } qDebug( "OWirelessNetworkInterface::setPrivate(): about to call '%s' on interface '%s'", (const char*) call, name() ); memset( &_iwr, 0, sizeof _iwr ); va_list argp; va_start( argp, numargs ); for ( int i = 0; i < numargs; ++i ) { priv->setParameter( i, va_arg( argp, int ) ); } va_end( argp ); priv->invoke(); } void OWirelessNetworkInterface::getPrivate( const QString& call ) { qWarning( "OWirelessNetworkInterface::getPrivate() is not implemented yet." ); } bool OWirelessNetworkInterface::hasPrivate( const QString& call ) { return child( (const char*) call ); } QString OWirelessNetworkInterface::SSID() const { char str[IW_ESSID_MAX_SIZE]; _iwr.u.essid.pointer = &str[0]; _iwr.u.essid.length = IW_ESSID_MAX_SIZE; if ( !wioctl( SIOCGIWESSID ) ) { return "<unknown>"; } else { return str; } } void OWirelessNetworkInterface::setSSID( const QString& ssid ) { _iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid ); _iwr.u.essid.length = ssid.length(); wioctl( SIOCSIWESSID ); } OStationList* OWirelessNetworkInterface::scanNetwork() { _iwr.u.param.flags = IW_SCAN_DEFAULT; _iwr.u.param.value = 0; if ( !wioctl( SIOCSIWSCAN ) ) { return 0; } OStationList* stations = new OStationList(); int timeout = 1000000; qDebug( "ONetworkInterface::scanNetwork() - scan started." ); bool results = false; struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 250000; // initial timeout ~ 250ms char buffer[IW_SCAN_MAX_DATA]; while ( !results && timeout > 0 ) { timeout -= tv.tv_usec; select( 0, 0, 0, 0, &tv ); _iwr.u.data.pointer = &buffer[0]; _iwr.u.data.flags = 0; _iwr.u.data.length = sizeof buffer; if ( wioctl( SIOCGIWSCAN ) ) { results = true; continue; } else if ( errno == EAGAIN) { qDebug( "ONetworkInterface::scanNetwork() - scan in progress..." ); #if 0 if ( qApp ) { qApp->processEvents( 100 ); continue; } #endif tv.tv_sec = 0; tv.tv_usec = 100000; continue; } } qDebug( "ONetworkInterface::scanNetwork() - scan finished." ); if ( results ) { qDebug( " - result length = %d", _iwr.u.data.length ); if ( !_iwr.u.data.length ) { qDebug( " - no results (empty neighbourhood)" ); return stations; } qDebug( " - results are in!" ); dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length ); // parse results int offset = 0; struct iw_event* we = (struct iw_event*) &buffer[0]; while ( offset < _iwr.u.data.length ) { //const char* cmd = *(*_ioctlmap)[we->cmd]; //if ( !cmd ) cmd = "<unknown>"; qDebug( "reading next event... cmd=%d, len=%d", we->cmd, we->len ); switch (we->cmd) { case SIOCGIWAP: { qDebug( "SIOCGIWAP" ); stations->append( new OStation() ); stations->last()->macAddress = (const unsigned char*) &we->u.ap_addr.sa_data[0]; break; } case SIOCGIWMODE: { qDebug( "SIOCGIWMODE" ); stations->last()->type = modeToString( we->u.mode ); break; } case SIOCGIWFREQ: { qDebug( "SIOCGIWFREQ" ); stations->last()->channel = _channels[ static_cast<int>(double( we->u.freq.m ) * pow( 10.0, we->u.freq.e ) / 1000000) ]; break; } case SIOCGIWESSID: { qDebug( "SIOCGIWESSID" ); stations->last()->ssid = we->u.essid.pointer; break; } case SIOCGIWSENS: qDebug( "SIOCGIWSENS" ); break; case SIOCGIWENCODE: qDebug( "SIOCGIWENCODE" ); break; case IWEVTXDROP: qDebug( "IWEVTXDROP" ); break; /* Packet dropped to excessive retry */ case IWEVQUAL: qDebug( "IWEVQUAL" ); break; /* Quality part of statistics (scan) */ case IWEVCUSTOM: qDebug( "IWEVCUSTOM" ); break; /* Driver specific ascii string */ case IWEVREGISTERED: qDebug( "IWEVREGISTERED" ); break; /* Discovered a new node (AP mode) */ case IWEVEXPIRED: qDebug( "IWEVEXPIRED" ); break; /* Expired a node (AP mode) */ default: qDebug( "unhandled event" ); } offset += we->len; we = (struct iw_event*) &buffer[offset]; } return stations; } else { qDebug( " - no results (timeout) :(" ); return stations; } } bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const { #ifndef NODEBUG int result = ::ioctl( _sfd, call, &iwreq ); if ( result == -1 ) qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Failed: %d (%s)", name(), (const char*) *(*_ioctlmap)[call], call, result, strerror( errno ) ); else qDebug( "ONetworkInterface::wioctl (%s) call %s (0x%04X) - Status: Ok.", name(), (const char*) *(*_ioctlmap)[call], call ); return ( result != -1 ); #else return ::ioctl( _sfd, call, &iwreq ) != -1; #endif } bool OWirelessNetworkInterface::wioctl( int call ) const { strcpy( _iwr.ifr_name, name() ); return wioctl( call, _iwr ); } /*====================================================================================== * OMonitoringInterface *======================================================================================*/ OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :_if( static_cast<OWirelessNetworkInterface*>( iface ) ), _prismHeader( prismHeader ) { } OMonitoringInterface::~OMonitoringInterface() { } void OMonitoringInterface::setChannel( int c ) { // use standard WE channel switching protocol memset( &_if->_iwr, 0, sizeof( struct iwreq ) ); _if->_iwr.u.freq.m = c; _if->_iwr.u.freq.e = 0; _if->wioctl( SIOCSIWFREQ ); } -bool OMonitoringInterface::enabled() const -{ - return _if->monitorMode(); -} - - void OMonitoringInterface::setEnabled( bool b ) { } /*====================================================================================== * OCiscoMonitoringInterface *======================================================================================*/ OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OCiscoMonitoringInterface::~OCiscoMonitoringInterface() { } void OCiscoMonitoringInterface::setEnabled( bool b ) { QString fname; fname.sprintf( "/proc/driver/aironet/%s", (const char*) _if->name() ); QFile f( fname ); if ( !f.exists() ) return; if ( f.open( IO_WriteOnly ) ) { QTextStream s( &f ); s << "Mode: r"; s << "Mode: y"; s << "XmitPower: 1"; } // flushing and closing will be done automatically when f goes out of scope } QString OCiscoMonitoringInterface::name() const { return "cisco"; } void OCiscoMonitoringInterface::setChannel( int ) { // cisco devices automatically switch channels when in monitor mode } /*====================================================================================== * OWlanNGMonitoringInterface *======================================================================================*/ OWlanNGMonitoringInterface::OWlanNGMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OWlanNGMonitoringInterface::~OWlanNGMonitoringInterface() { } void OWlanNGMonitoringInterface::setEnabled( bool b ) { //FIXME: do nothing if its already in the same mode QString enable = b ? "true" : "false"; QString prism = _prismHeader ? "true" : "false"; QString cmd; cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s", (const char*) _if->name(), 1, (const char*) enable, (const char*) prism ); system( cmd ); } QString OWlanNGMonitoringInterface::name() const { return "wlan-ng"; } void OWlanNGMonitoringInterface::setChannel( int c ) { //NOTE: Older wlan-ng drivers automatically hopped channels while lnxreq_wlansniff=true. Newer ones don't. QString enable = "true"; //_if->monitorMode() ? "true" : "false"; QString prism = _prismHeader ? "true" : "false"; QString cmd; cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s prismheader=%s", (const char*) _if->name(), c, (const char*) enable, (const char*) prism ); system( cmd ); } /*====================================================================================== * OHostAPMonitoringInterface *======================================================================================*/ OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OHostAPMonitoringInterface::~OHostAPMonitoringInterface() { } void OHostAPMonitoringInterface::setEnabled( bool b ) { - // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15 - // Wireless Extensions < Version 15 need iwpriv commandos for monitoring - - #if WIRELESS_EXT > 14 - if ( b ) - _if->setMode( "monitor" ); // IW_MODE_MONITOR doesn't support prism header - else - _if->setMode( "managed" ); - #else int monitorCode = _prismHeader ? 1 : 2; if ( b ) { _if->setPrivate( "monitor", 1, monitorCode ); } else { _if->setPrivate( "monitor", 1, 0 ); } - #endif } QString OHostAPMonitoringInterface::name() const { return "hostap"; } /*====================================================================================== * OOrinocoNetworkInterface *======================================================================================*/ OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface, bool prismHeader ) :OMonitoringInterface( iface, prismHeader ) { iface->setMonitoring( this ); } OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface() { } void OOrinocoMonitoringInterface::setChannel( int c ) { int monitorCode = _prismHeader ? 1 : 2; _if->setPrivate( "monitor", 2, monitorCode, c ); } void OOrinocoMonitoringInterface::setEnabled( bool b ) { // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15 // Wireless Extensions < Version 15 need iwpriv commandos for monitoring // However, as of recent orinoco drivers, IW_MODE_MONITOR is still not supported - #if 0 - //#if WIRELESS_EXT > 14 - if ( b ) - _if->setMode( "monitor" ); // IW_MODE_MONITOR doesn't support prism header - else - _if->setMode( "managed" ); - #else if ( b ) { setChannel( 1 ); } else { _if->setPrivate( "monitor", 2, 0, 0 ); } - #endif } QString OOrinocoMonitoringInterface::name() const { return "orinoco"; } diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h index 0eb4542..eb6c86e 100644 --- a/libopie2/opienet/onetwork.h +++ b/libopie2/opienet/onetwork.h @@ -1,544 +1,542 @@ /* 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. */ #ifndef ONETWORK_H #define ONETWORK_H #include "wireless.h" /* OPIE */ #include <opie2/onetutils.h> #include <opie2/ostation.h> /* QT */ #include <qvaluelist.h> #include <qdict.h> #include <qmap.h> #include <qobject.h> #include <qhostaddress.h> class ONetworkInterface; class OWirelessNetworkInterface; class OChannelHopper; class OMonitoringInterface; /*====================================================================================== * ONetwork *======================================================================================*/ /** * @brief A container class for all network interfaces * * This class provides access to all available network interfaces of your computer. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class ONetwork : public QObject { Q_OBJECT public: typedef QDict<ONetworkInterface> InterfaceMap; typedef QDictIterator<ONetworkInterface> InterfaceIterator; public: /** * @returns the number of available interfaces */ int count() const; /** * @returns a pointer to the (one and only) @ref ONetwork instance. */ static ONetwork* instance(); /** * @returns an iterator usable for iterating through all network interfaces. */ InterfaceIterator iterator() const; /** * @returns true, if the @a interface supports the wireless extension protocol. */ bool isWirelessInterface( const char* interface ) const; /** * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found. * @see ONetworkInterface */ ONetworkInterface* interface( const QString& interface ) const; /** * @internal Rebuild the internal interface database * @note Sometimes it might be useful to call this from client code, * e.g. after issuing a cardctl insert */ void synchronize(); /** * @returns the wireless extension version used at compile time. **/ static short wirelessExtensionVersion(); protected: ONetwork(); private: static ONetwork* _instance; InterfaceMap _interfaces; }; /*====================================================================================== * ONetworkInterface *======================================================================================*/ /** * @brief A network interface wrapper. * * This class provides a wrapper for a network interface. All the cumbersume details of * Linux ioctls are hidden under a convenient high-level interface. * @warning Most of the setting methods contained in this class require the appropriate * process permissions to work. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class ONetworkInterface : public QObject { friend class OMonitoringInterface; friend class OCiscoMonitoringInterface; friend class OWlanNGMonitoringInterface; friend class OHostAPMonitoringInterface; friend class OOrinocoMonitoringInterface; public: /** * Constructor. Normally you don't create @ref ONetworkInterface objects yourself, * but access them via @ref ONetwork::interface(). */ ONetworkInterface( QObject* parent, const char* name ); /** * Destructor. */ virtual ~ONetworkInterface(); /** * Associates a @a monitoring interface with this network interface. * @note This is currently only useful with @ref OWirelessNetworkInterface objects. */ void setMonitoring( OMonitoringInterface* monitoring ); /** * @returns the currently associated monitoring interface or 0, if no monitoring is associated. */ OMonitoringInterface* monitoring() const; /** * Setting an interface to promiscuous mode enables the device to receive * all packets on the shared medium - as opposed to packets which are addressed to this interface. */ bool setPromiscuousMode( bool ); /** * @returns true if the interface is set to promiscuous mode. */ bool promiscuousMode() const; /** * Setting an interface to up enables it to receive packets. */ bool setUp( bool ); /** * @returns true if the interface is up. */ bool isUp() const; /** * @returns true if the interface is a loopback interface. */ bool isLoopback() const; /** * @returns true if the interface is featuring supports the wireless extension protocol. */ bool isWireless() const; /** * Associate the IP address @ addr with the interface. */ void setIPV4Address( const QHostAddress& addr ); /** * @returns the IPv4 address associated with the interface. */ QString ipV4Address() const; //TODO: make this return an OHostAddress /** * Associate the MAC address @a addr with the interface. * @note It can be necessary to shut down the interface prior to calling this method. * @warning This is not supported by all drivers. */ void setMacAddress( const OMacAddress& addr ); /** * @returns the MAC address associated with the interface. */ OMacAddress macAddress() const; /** * Associate the IPv4 @a netmask with the interface. */ void setIPV4Netmask( const QHostAddress& netmask ); /** * @returns the IPv4 netmask associated with the interface. */ QString ipV4Netmask() const; //TODO: make this return an OHostAddress /** * @returns the data link type currently associated with the interface. * @see #include <net/if_arp.h> for possible values. */ int dataLinkType() const; protected: const int _sfd; mutable ifreq _ifr; OMonitoringInterface* _mon; protected: struct ifreq& ifr() const; virtual void init(); bool ioctl( int call ) const; bool ioctl( int call, struct ifreq& ) const; }; /*====================================================================================== * OChannelHopper *======================================================================================*/ /** * @brief A radio frequency channel hopper. * * This class provides a channel hopper for radio frequencies. A channel hopper frequently * changes the radio frequency channel of its associated @ref OWirelessNetworkInterface. * This is necessary when in monitoring mode and scanning for other devices, because * the radio frequency hardware can only detect packets sent on the same frequency. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class OChannelHopper : public QObject { Q_OBJECT public: /** * Constructor. */ OChannelHopper( OWirelessNetworkInterface* ); /** * Destructor. */ virtual ~OChannelHopper(); /** * @returns true, if the channel hopper is hopping channels */ bool isActive() const; /** * @returns the last hopped channel */ int channel() const; /** * Set the channel hopping @a interval. * An interval of 0 deactivates the channel hopper. */ void setInterval( int interval ); /** * @returns the channel hopping interval */ int interval() const; signals: /** * This signal is emitted right after the channel hopper performed a hop */ void hopped( int ); protected: virtual void timerEvent( QTimerEvent* ); private: OWirelessNetworkInterface* _iface; int _interval; int _tid; QValueList<int> _channels; QValueList<int>::Iterator _channel; }; /*====================================================================================== * OWirelessNetworkInterface *======================================================================================*/ /** * @brief A network interface wrapper for interfaces supporting the wireless extensions protocol. * * This class provides a high-level encapsulation of the Linux wireless extension API. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class OWirelessNetworkInterface : public ONetworkInterface { friend class OMonitoringInterface; friend class OCiscoMonitoringInterface; friend class OWlanNGMonitoringInterface; friend class OHostAPMonitoringInterface; friend class OOrinocoMonitoringInterface; friend class OPrivateIOCTL; public: /** * Constructor. */ OWirelessNetworkInterface( QObject* parent, const char* name ); /** * Destructor. */ virtual ~OWirelessNetworkInterface(); /** * Setting the @a channel of the interface changes the radio frequency (RF) * of the corresponding wireless network device. * @note Common channel range is within [1-14]. A value of 0 is not allowed. * @see channels() */ virtual void setChannel( int channel ) const; /** * @returns the channel index of the current radio frequency. */ virtual int channel() const; /** * @returns the current radio frequency (in MHz). */ virtual double frequency() const; /** * @returns the number of radio frequency channels for the * corresponding wireless network device. * @note European devices usually have 14 channels, while American typically feature 11 channels. */ virtual int channels() const; /** * Set the IEEE 802.11 operation @a mode. * Valid values are <ul><li>adhoc<li>managed<li>monitor<li>master * @warning Not all drivers support the all modes. * @note You might have to change the SSID to get the operation mode change into effect. */ virtual void setMode( const QString& mode ); /** * @returns the current IEEE 802.11 operation mode. * Possible values are <ul><li>adhoc<li>managed<li>monitor<li>master or <li>unknown - */ - virtual QString mode() const; - /** + * + * @note: Important note concerning the 'monitor' mode: * Setting the monitor mode on a wireless network interface enables * listening to IEEE 802.11 data and management frames which normally * are handled by the device firmware. This can be used to detect * other wireless network devices, e.g. Access Points or Ad-hoc stations. * @warning Standard wireless network drives don't support the monitor mode. * @warning You need a patched driver for this to work. * @note Enabling the monitor mode is highly driver dependent and requires * the proper @ref OMonitoringInterface to be associated with the interface. * @see OMonitoringInterface */ - virtual void setMonitorMode( bool ); //FIXME: ==> setMode( "monitor" ); Use IW_MONITOR first, if this doesn't work, then use iwpriv! - /** - * @returns true if the device is listening in IEEE 802.11 monitor mode - */ - virtual bool monitorMode() const; //FIXME: ==> mode() + virtual QString mode() const; /** * Set the channel hopping @a interval. An @a interval of 0 disables channel hopping. * @see OChannelHopper */ virtual void setChannelHopping( int interval = 0 ); /** * @returns the channel hopping interval or 0, if channel hopping is disabled. */ virtual int channelHopping() const; /** * @returns the @ref OChannelHopper of this interface or 0, if channel hopping has not been activated before */ virtual OChannelHopper* channelHopper() const; /** * Set the station @a nickname. */ virtual void setNickName( const QString& nickname ); /** * @returns the current station nickname. */ virtual QString nickName() const; /** * Invoke the private IOCTL @a command with a @number of parameters on the network interface. * @see OPrivateIOCTL */ virtual void setPrivate( const QString& command, int number, ... ); /** * @returns true if the interface is featuring the private IOCTL @command. */ virtual bool hasPrivate( const QString& command ); virtual void getPrivate( const QString& command ); //FIXME: Implement and document this /** * @returns true if the interface is associated to an access point * @note: This information is only valid if the interface is in managed mode. */ virtual bool isAssociated() const; /** * @returns the MAC address of the Access Point if the device is in infrastructure mode. * @returns a (more or less random) cell ID address if the device is in adhoc mode. */ virtual OMacAddress associatedAP() const; /** * Set the @a ssid (Service Set ID) string. This is used to decide * which network to associate with (use "any" to let the driver decide). */ virtual void setSSID( const QString& ssid ); /** * @returns the current SSID (Service Set ID). */ virtual QString SSID() const; /** * Perform scanning the wireless network neighbourhood. * @note: UNSTABLE API - UNDER CONSTRUCTION - DON'T USE! */ virtual OStationList* scanNetwork(); + /** @internal commit pending changes to the driver + * + */ + void commit() const; protected: void buildInformation(); void buildPrivateList(); void dumpInformation() const; virtual void init(); struct iwreq& iwr() const; bool wioctl( int call ) const; bool wioctl( int call, struct iwreq& ) const; protected: mutable struct iwreq _iwr; QMap<int,int> _channels; struct iw_range _range; private: OChannelHopper* _hopper; }; /*====================================================================================== * OMonitoringInterface *======================================================================================*/ class OMonitoringInterface { public: OMonitoringInterface(); OMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OMonitoringInterface(); public: virtual void setEnabled( bool ); - virtual bool enabled() const; virtual void setChannel( int ); virtual QString name() const = 0; protected: OWirelessNetworkInterface* _if; bool _prismHeader; }; /*====================================================================================== * OCiscoMonitoring *======================================================================================*/ class OCiscoMonitoringInterface : public OMonitoringInterface { public: OCiscoMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OCiscoMonitoringInterface(); virtual void setEnabled( bool ); virtual QString name() const; virtual void setChannel( int ); }; /*====================================================================================== * OWlanNGMonitoringInterface *======================================================================================*/ class OWlanNGMonitoringInterface : public OMonitoringInterface { public: OWlanNGMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OWlanNGMonitoringInterface(); public: virtual void setEnabled( bool ); virtual QString name() const; virtual void setChannel( int ); }; /*====================================================================================== * OHostAPMonitoringInterface *======================================================================================*/ class OHostAPMonitoringInterface : public OMonitoringInterface { public: OHostAPMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OHostAPMonitoringInterface(); public: virtual void setEnabled( bool ); virtual QString name() const; }; /*====================================================================================== * OOrinocoMonitoringInterface *======================================================================================*/ class OOrinocoMonitoringInterface : public OMonitoringInterface { public: OOrinocoMonitoringInterface( ONetworkInterface*, bool _prismHeader ); virtual ~OOrinocoMonitoringInterface(); public: virtual void setChannel( int ); virtual void setEnabled( bool ); virtual QString name() const; }; #endif // ONETWORK_H |