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path: root/libopie2/opienet/onetwork.cpp
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-rw-r--r--libopie2/opienet/onetwork.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 767651e..dc2e388 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -468,257 +468,257 @@ QString OWirelessNetworkInterface::associatedAP() const
{
mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
_ifr.ifr_hwaddr.sa_data[0]&0xff,
_ifr.ifr_hwaddr.sa_data[1]&0xff,
_ifr.ifr_hwaddr.sa_data[2]&0xff,
_ifr.ifr_hwaddr.sa_data[3]&0xff,
_ifr.ifr_hwaddr.sa_data[4]&0xff,
_ifr.ifr_hwaddr.sa_data[5]&0xff );
}
else
{
mac = "<Unknown>";
}
return mac;
}
void OWirelessNetworkInterface::buildChannelList()
{
//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 ) );
_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
}
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 ) );
}
// </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 );
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." );
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." );
}
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 )
+ 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 )
{
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...
}
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
{