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authormickeyl <mickeyl>2003-07-01 22:08:53 (UTC)
committer mickeyl <mickeyl>2003-07-01 22:08:53 (UTC)
commitfbf388246a16c1cd36e209ba24731929b93c21c0 (patch) (side-by-side diff)
treec6fd6bf3f6e341460feec4cca67355ac04f845ac
parentd12216b371c89ee1142ade36e7e519041bcb8370 (diff)
downloadopie-fbf388246a16c1cd36e209ba24731929b93c21c0.zip
opie-fbf388246a16c1cd36e209ba24731929b93c21c0.tar.gz
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add monitor mode handling for recent kernels (WE>14)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/onetwork.cpp28
-rw-r--r--libopie2/opienet/onetwork.h8
2 files changed, 29 insertions, 7 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 6cef5cf..751d841 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -1,367 +1,374 @@
/*
                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 <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;
/*======================================================================================
* 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
_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
{
int result = ::ioctl( _sfd, call, &ifreq );
if ( result == -1 )
qDebug( "ONetworkInterface::ioctl (%s) call %d - Status: Failed: %d (%s)", name(), call, result, strerror( errno ) );
else
qDebug( "ONetworkInterface::ioctl (%s) call %d - Status: Ok.", name(), call );
return ( result != -1 );
}
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();
@@ -696,318 +703,331 @@ bool OWirelessNetworkInterface::monitorMode() const
qDebug( "dataLinkType = %d", dataLinkType() );
return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 );
// 802 is the header type for PRISM - Linux support for this is pending...
}
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 );
}
bool OWirelessNetworkInterface::wioctl( int call, struct iwreq& iwreq ) const
{
int result = ::ioctl( _sfd, call, &iwreq );
if ( result == -1 )
qDebug( "ONetworkInterface::wioctl (%s) call %d - Status: Failed: %d (%s)", name(), call, result, strerror( errno ) );
else
qDebug( "ONetworkInterface::wioctl (%s) call %d - Status: Ok.", name(), call );
return ( result != -1 );
}
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 )
{
// wlan-ng devices automatically switch channels when in monitor mode
}
/*======================================================================================
* 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
- //TODO: check wireless extensions version on runtime and use
- //TODO: SIOCSIWMODE( IW_MODE_MONITOR ) if running on WE >= 15
-
+ #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
+
+ #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 cfb999d..2553a61 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -1,376 +1,378 @@
/*
                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
/* OPIE */
#include <opie2/onetutils.h>
/* QT */
#include <qvaluelist.h>
#include <qdict.h>
#include <qmap.h>
#include <qobject.h>
#include <qhostaddress.h>
// ML: Yeah, I hate to include kernel headers, but it's necessary here
// ML: Here comes an ugly hack to prevent <linux/wireless.h> including <linux/if.h>
// ML: which conflicts with the user header <net/if.h>
// ML: We really need a user header for the Wireless Extensions, something like <net/wireless.h>
// ML: I will drop Jean a mail on that subject
#include <net/if.h>
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef IW_MAX_PRIV_DEF
#define IW_MAX_PRIV_DEF 128
#endif
#define _LINUX_IF_H
#include <linux/wireless.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.
*/
- // FIXME QString? -zecke
bool isWirelessInterface( const char* interface ) const;
/**
- * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found
+ * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found.
* @see ONetworkInterface
*/
- // FIXME: const QString& is prefered over QString!!! -zecke
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.
*/
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;
/**
* 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" );