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authormickeyl <mickeyl>2003-10-11 23:54:03 (UTC)
committer mickeyl <mickeyl>2003-10-11 23:54:03 (UTC)
commita8fe3ba1544ca2a2ad2559e3094acbb284cc7783 (patch) (side-by-side diff)
treeef60fa83b396d16580f5ce7ab2b5c147fbceeabf
parente6273e146d3ef3f9387fbc3b6a214f9b3d08221e (diff)
downloadopie-a8fe3ba1544ca2a2ad2559e3094acbb284cc7783.zip
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add scanning skeleton (wip)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp12
-rw-r--r--libopie2/opienet/onetwork.cpp113
-rw-r--r--libopie2/opienet/onetwork.h29
3 files changed, 131 insertions, 23 deletions
diff --git a/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp b/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
index 607d8f1..fc2026f 100644
--- a/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
+++ b/libopie2/examples/opienet/onetworkdemo/onetworkdemo.cpp
@@ -47,24 +47,36 @@ int main( int argc, char** argv )
qDebug( "DEMO: Operation Mode change successful." );
// RF channel
qDebug( "DEMO: Current Channel is '%d'", iface->channel() );
iface->setChannel( 1 );
if ( iface->channel() != 1 )
qDebug( "DEMO: Warning! Can't change RF channel" );
else
qDebug( "DEMO: RF channel change successful." );
iface->setMode( "managed" );
+ // network scan
+
+ int stations = iface->scanNetwork();
+ if ( stations != -1 )
+ {
+ qDebug( "DEMO: # of stations around = %d", stations );
+ }
+ else
+ {
+ qDebug( "DEMO: Warning! Scan didn't work!" );
+ }
+
/*
// first some wrong calls to check if this is working
iface->setPrivate( "seppel", 10 );
iface->setPrivate( "monitor", 0 );
// now the real deal
iface->setPrivate( "monitor", 2, 2, 3 );
// trying to set hw address to 12:34:56:AB:CD:EF
/*
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index dc2e388..be45924 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -67,24 +67,25 @@ 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();
@@ -179,27 +180,27 @@ void ONetworkInterface::init()
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 ) );
+ qDebug( "ONetworkInterface::ioctl (%s) call %d (0x%04X) - Status: Failed: %d (%s)", name(), call, call, result, strerror( errno ) );
else
- qDebug( "ONetworkInterface::ioctl (%s) call %d - Status: Ok.", name(), call );
+ qDebug( "ONetworkInterface::ioctl (%s) call %d (0x%04X) - Status: Ok.", name(), call, call );
return ( result != -1 );
}
bool ONetworkInterface::ioctl( int call ) const
{
strcpy( _ifr.ifr_name, name() );
return ioctl( call, _ifr );
}
bool ONetworkInterface::isLoopback() const
@@ -445,26 +446,34 @@ OWirelessNetworkInterface::~OWirelessNetworkInterface()
struct iwreq& OWirelessNetworkInterface::iwr() const
{
return _iwr;
}
void OWirelessNetworkInterface::init()
{
qDebug( "OWirelessNetworkInterface::init()" );
memset( &_iwr, 0, sizeof( struct iwreq ) );
- buildChannelList();
+ buildInformation();
buildPrivateList();
+ dumpInformation();
+}
+
+
+bool OWirelessNetworkInterface::isAssociated() const
+{
+ //FIXME: handle different modes
+ return associatedAP() != "44:44:44:44:44:44";
}
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,
@@ -473,86 +482,89 @@ QString OWirelessNetworkInterface::associatedAP() const
_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;
}
-void OWirelessNetworkInterface::buildChannelList()
+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::buildChannelList(): SIOCGIWRANGE failed (%s) - defaulting to 11 channels", strerror( errno ) );
+ 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::buildChannelList(): Driver for wireless interface '%s'"
- "overwrote buffer end with at least %i bytes!\n", name(), max - sizeof( struct iw_range ) );
+ 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::buildChannelList(): Interface %s reported to have %d channels.", name(), range.num_frequency );
+ 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 );
}
}
- qDebug( "OWirelessNetworkInterface::buildChannelList(): Channel list constructed." );
+ 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
@@ -563,24 +575,35 @@ void OWirelessNetworkInterface::buildPrivateList()
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;
}
@@ -652,72 +675,69 @@ OChannelHopper* OWirelessNetworkInterface::channelHopper() const
return _hopper;
}
void OWirelessNetworkInterface::setMode( const QString& mode )
{
if ( mode == "auto" ) _iwr.u.mode = IW_MODE_AUTO;
else if ( mode == "adhoc" ) _iwr.u.mode = IW_MODE_ADHOC;
else if ( mode == "managed" ) _iwr.u.mode = IW_MODE_INFRA;
else if ( mode == "master" ) _iwr.u.mode = IW_MODE_MASTER;
else if ( mode == "repeater" ) _iwr.u.mode = IW_MODE_REPEAT;
else if ( mode == "secondary" ) _iwr.u.mode = IW_MODE_SECOND;
- #if WIRELESS_EXT > 14
else if ( mode == "monitor" ) _iwr.u.mode = IW_MODE_MONITOR;
- #endif
else
{
qDebug( "ONetwork: Warning! Invalid IEEE 802.11 mode '%s' specified.", (const char*) mode );
return;
}
wioctl( SIOCSIWMODE );
}
QString OWirelessNetworkInterface::mode() const
{
if ( !wioctl( SIOCGIWMODE ) )
{
return "<unknown>";
}
switch ( _iwr.u.mode )
{
case IW_MODE_AUTO: return "auto";
case IW_MODE_ADHOC: return "adhoc";
case IW_MODE_INFRA: return "managed";
case IW_MODE_MASTER: return "master";
case IW_MODE_REPEAT: return "repeater";
case IW_MODE_SECOND: return "secondary";
- #if WIRELESS_EXT > 14
case IW_MODE_MONITOR: return "monitor";
- #endif
default: assert( 0 ); // shouldn't happen
}
}
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
{
qDebug( "dataLinkType = %d", dataLinkType() );
return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 );
- // 802 is the header type for PRISM - Linux support for this is pending...
+ //FIXME: 802 is the header type for PRISM - Linux support for this is pending...
+ //FIXME: What is 119, by the way?
}
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
@@ -791,31 +811,92 @@ QString OWirelessNetworkInterface::SSID() const
}
}
void OWirelessNetworkInterface::setSSID( const QString& ssid )
{
_iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid );
_iwr.u.essid.length = ssid.length();
wioctl( SIOCSIWESSID );
}
+int OWirelessNetworkInterface::scanNetwork()
+{
+ _iwr.u.param.flags = IW_SCAN_DEFAULT;
+ _iwr.u.param.value = 0;
+ if ( !wioctl( SIOCSIWSCAN ) )
+ {
+ return -1;
+ }
+
+ 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( " - results are in!" );
+ }
+ else
+ {
+ qDebug( " - no results :(" );
+ }
+}
+
+
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 ) );
+ qDebug( "ONetworkInterface::wioctl (%s) call %d (0x%04X) - Status: Failed: %d (%s)", name(), call, call, result, strerror( errno ) );
else
- qDebug( "ONetworkInterface::wioctl (%s) call %d - Status: Ok.", name(), call );
+ qDebug( "ONetworkInterface::wioctl (%s) call %d (0x%04X) - Status: Ok.", name(), call, call );
return ( result != -1 );
}
bool OWirelessNetworkInterface::wioctl( int call ) const
{
strcpy( _iwr.ifr_name, name() );
return wioctl( call, _iwr );
}
/*======================================================================================
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index b170ea2..e1545dd 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -352,25 +352,25 @@ class OWirelessNetworkInterface : public ONetworkInterface
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" );
+ 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()
/**
* 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.
*/
@@ -388,53 +388,62 @@ class OWirelessNetworkInterface : public ONetworkInterface
*/
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
-
- virtual bool isAssociated() const {}; //FIXME: Implement and document this
/**
- * @returns the MAC address of the Access Point if the
- * device is in infrastructure mode. @returns a (more or less random) CELL
- * address if the device is in adhoc mode.
+ * @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 QString 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 int scanNetwork();
protected:
- void buildChannelList();
+ 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
@@ -466,60 +475,66 @@ class OMonitoringInterface
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;
};