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authormickeyl <mickeyl>2003-03-31 10:21:22 (UTC)
committer mickeyl <mickeyl>2003-03-31 10:21:22 (UTC)
commit636449b2246963c2c9e48163332a0227036e4364 (patch) (side-by-side diff)
treec7383136a93938584b80b8f59c756733772d314d
parent2318b309ef4c5147fa1a975b7b261ceec5dd13a7 (diff)
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resolve potential ambiguities in pow()
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/onetwork.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index cd36f16..50d67bb 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -12,798 +12,798 @@
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. This program is distributed in the hope that
     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
    : ..    .:,     . . . without even the implied warranty of
    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
..}^=.=       =       ; Library General Public License for more
++=   -.     .`     .: details.
 :     =  ...= . :.=-
 -.   .:....=;==+<; You should have received a copy of the GNU
  -_. . .   )=.  = Library General Public License along with
    --        :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/* OPIE */
#include <opie2/onetwork.h>
/* QT */
#include <qfile.h>
#include <qtextstream.h>
/* UNIX */
#include <arpa/inet.h>
#include <cerrno>
#include <cstring>
#include <cstdlib>
#include <math.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include <linux/sockios.h>
using namespace std;
/*======================================================================================
* ONetwork
*======================================================================================*/
ONetwork* ONetwork::_instance = 0;
ONetwork::ONetwork()
{
qDebug( "ONetwork::ONetwork()" );
synchronize();
}
void ONetwork::synchronize()
{
// gather available interfaces by inspecting /proc/net/dev
// we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices
_interfaces.clear();
QString str;
QFile f( "/proc/net/dev" );
bool hasFile = f.open( IO_ReadOnly );
if ( !hasFile )
{
qDebug( "ONetwork: /proc/net/dev not existing. No network devices available" );
return;
}
QTextStream s( &f );
s.readLine();
s.readLine();
while ( !s.atEnd() )
{
s >> str;
str.truncate( str.find( ':' ) );
qDebug( "ONetwork: found interface '%s'", (const char*) str );
ONetworkInterface* iface;
if ( isWirelessInterface( str ) )
{
iface = new OWirelessNetworkInterface( str );
qDebug( "ONetwork: interface '%s' has Wireless Extensions", (const char*) str );
}
else
{
iface = new ONetworkInterface( str );
}
_interfaces.insert( str, iface );
s.readLine();
}
}
ONetworkInterface* ONetwork::interface( QString iface ) const
{
return _interfaces[iface];
}
ONetwork* ONetwork::instance()
{
if ( !_instance ) _instance = new ONetwork();
return _instance;
}
ONetwork::InterfaceIterator ONetwork::iterator() const
{
return ONetwork::InterfaceIterator( _interfaces );
}
bool ONetwork::isWirelessInterface( const char* name ) const
{
int sfd = socket( AF_INET, SOCK_DGRAM, 0 );
iwreqstruct iwr;
memset( &iwr, 0, sizeof( iwreqstruct ) );
strcpy( (char*) &iwr.ifr_name, name );
int result = ::ioctl( sfd, SIOCGIWNAME, &iwr );
if ( result == -1 )
qDebug( "ONetwork::ioctl(): SIOCGIWNAME failed: %d (%s)", result, strerror( errno ) );
else
qDebug( "ONetwork::ioctl(): SIOCGIWNAME ok." );
return ( result != -1 );
}
/*======================================================================================
* ONetworkInterface
*======================================================================================*/
ONetworkInterface::ONetworkInterface( const QString& name )
:_name( name ), _sfd( socket( AF_INET, SOCK_DGRAM, 0 ) ), _mon( 0 )
{
qDebug( "ONetworkInterface::ONetworkInterface()" );
init();
}
ifreqstruct& ONetworkInterface::ifr() const
{
return _ifr;
}
void ONetworkInterface::init()
{
qDebug( "ONetworkInterface::init()" );
memset( &_ifr, 0, sizeof( struct ifreq ) );
if ( _sfd == -1 )
{
qDebug( "ONetworkInterface::init(): Warning - can't get socket for device '%s'", (const char*) _name );
return;
}
}
bool ONetworkInterface::ioctl( int call, ifreqstruct& ifreq ) const
{
int result = ::ioctl( _sfd, call, &ifreq );
if ( result == -1 )
qDebug( "ONetworkInterface::ioctl(): Call %d - Status: Failed: %d (%s)", call, result, strerror( errno ) );
else
qDebug( "ONetworkInterface::ioctl(): Call %d - Status: Ok.", call );
return ( result != -1 );
}
bool ONetworkInterface::ioctl( int call ) const
{
strcpy( _ifr.ifr_name, (const char*) _name );
return ioctl( call, _ifr );
}
bool ONetworkInterface::isLoopback() const
{
ioctl( SIOCGIFFLAGS );
return _ifr.ifr_flags & IFF_LOOPBACK;
}
bool ONetworkInterface::setUp( bool b )
{
ioctl( SIOCGIFFLAGS );
if ( b ) _ifr.ifr_flags |= IFF_UP;
else _ifr.ifr_flags &= (~IFF_UP);
return ioctl( SIOCSIFFLAGS );
}
bool ONetworkInterface::isUp() const
{
ioctl( SIOCGIFFLAGS );
return _ifr.ifr_flags & IFF_UP;
}
QString ONetworkInterface::ipV4Address() const
{
if ( ioctl( SIOCGIFADDR ) )
{
struct sockaddr_in *sa = (struct sockaddr_in *) &_ifr.ifr_addr;
//FIXME: Use QHostAddress here
return QString( inet_ntoa( sa->sin_addr ) );
}
else
return "<unknown>";
}
OMacAddress ONetworkInterface::macAddress() const
{
if ( ioctl( SIOCGIFHWADDR ) )
{
return OMacAddress( _ifr );
}
else
{
return OMacAddress::unknown;
}
}
void ONetworkInterface::setMonitoring( OMonitoringInterface* m )
{
_mon = m;
qDebug( "ONetwork::setMonitoring(): Installed monitoring interface '%s'", (const char*) m->name() );
}
OMonitoringInterface* ONetworkInterface::monitoring() const
{
return _mon;
}
const QString& ONetworkInterface::name() const
{
return _name;
}
ONetworkInterface::~ONetworkInterface()
{
qDebug( "ONetworkInterface::~ONetworkInterface()" );
if ( _sfd != -1 ) ::close( _sfd );
}
bool ONetworkInterface::setPromiscuousMode( bool b )
{
ioctl( SIOCGIFFLAGS );
if ( b ) _ifr.ifr_flags |= IFF_PROMISC;
else _ifr.ifr_flags &= (~IFF_PROMISC);
return ioctl( SIOCSIFFLAGS );
}
bool ONetworkInterface::promiscuousMode() const
{
ioctl( SIOCGIFFLAGS );
return _ifr.ifr_flags & IFF_PROMISC;
}
bool ONetworkInterface::isWireless() const
{
return ioctl( SIOCGIWNAME );
}
/*======================================================================================
* OChannelHopper
*======================================================================================*/
OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
:QObject( 0, "Mickey's funky hopper" ),
_iface( iface ), _interval( 0 ), _channel( 1 ), _tid( 0 ),
_maxChannel( iface->channels()+1 )
{
}
OChannelHopper::~OChannelHopper()
{
}
bool OChannelHopper::isActive() const
{
return _tid;
}
int OChannelHopper::channel() const
{
return _channel;
}
void OChannelHopper::timerEvent( QTimerEvent* )
{
if ( !--_channel ) _channel = _maxChannel;
_iface->setChannel( _channel );
qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'",
_channel, (const char*) _iface->name() );
}
void OChannelHopper::setInterval( int interval )
{
if ( interval == _interval )
return;
if ( _interval )
killTimer( _tid );
_tid = 0;
_interval = interval;
if ( _interval )
{
_tid = startTimer( interval );
}
}
int OChannelHopper::interval() const
{
return _interval;
}
/*======================================================================================
* OWirelessNetworkInterface
*======================================================================================*/
OWirelessNetworkInterface::OWirelessNetworkInterface( const QString& name )
:ONetworkInterface( name ), _hopper( 0 )
{
qDebug( "OWirelessNetworkInterface::OWirelessNetworkInterface()" );
init();
}
OWirelessNetworkInterface::~OWirelessNetworkInterface()
{
}
iwreqstruct& OWirelessNetworkInterface::iwr() const
{
return _iwr;
}
void OWirelessNetworkInterface::init()
{
qDebug( "OWirelessNetworkInterface::init()" );
memset( &_iwr, 0, sizeof( struct iwreq ) );
// IEEE802.11(b) radio frequency channels
iwrangestruct range;
//ML: work around an ugly HostAP bug, which needs
//ML: extra space or will complain with "invalid argument length"... :-(
char __extraBufferForBuggyDrivers[sizeof range];
_iwr.u.data.pointer = (char*) &range;
_iwr.u.data.length = (sizeof range) * 2;
_iwr.u.data.flags = 0;
if ( !wioctl( SIOCGIWRANGE ) )
{
qDebug( "OWirelessNetworkInterface::init(): SIOCGIWRANGE failed (%s)", strerror( errno ) );
return;
}
for ( int i = 0; i < range.num_frequency; ++i )
{
- int freq = (int) ( double( range.freq[i].m ) * pow( 10, range.freq[i].e ) / 1000000.0 );
+ int freq = (int) ( double( range.freq[i].m ) * pow( 10.0, range.freq[i].e ) / 1000000.0 );
_channels.insert( freq, i+1 );
}
}
QString OWirelessNetworkInterface::associatedAP() const
{
//FIXME: use OMacAddress
QString mac;
if ( ioctl( SIOCGIWAP ) )
{
mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
_ifr.ifr_hwaddr.sa_data[0]&0xff,
_ifr.ifr_hwaddr.sa_data[1]&0xff,
_ifr.ifr_hwaddr.sa_data[2]&0xff,
_ifr.ifr_hwaddr.sa_data[3]&0xff,
_ifr.ifr_hwaddr.sa_data[4]&0xff,
_ifr.ifr_hwaddr.sa_data[5]&0xff );
}
else
{
mac = "<Unknown>";
}
return mac;
}
int OWirelessNetworkInterface::channel() const
{
//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, _iwr.u.freq.e ) / 1000000) ];
+ 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 ( !_mon )
{
memset( &_iwr, 0, sizeof( iwreqstruct ) );
_iwr.u.freq.m = c;
_iwr.u.freq.e = 0;
wioctl( SIOCSIWFREQ );
}
else
{
_mon->setChannel( c );
}
}
double OWirelessNetworkInterface::frequency() const
{
if ( !wioctl( SIOCGIWFREQ ) )
{
return -1.0;
}
else
{
- return double( _iwr.u.freq.m ) * pow( 10, _iwr.u.freq.e ) / 1000000000.0;
+ 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?
}
int OWirelessNetworkInterface::channelHopping() const
{
return _hopper->interval();
}
void OWirelessNetworkInterface::setMonitorMode( bool b )
{
if ( _mon )
_mon->setEnabled( b );
else
qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
}
bool OWirelessNetworkInterface::monitorMode() const
{
return _mon ? _mon->enabled() : false;
}
QString OWirelessNetworkInterface::nickName() const
{
char str[IW_ESSID_MAX_SIZE];
_iwr.u.data.pointer = &str[0];
_iwr.u.data.length = IW_ESSID_MAX_SIZE;
if ( !wioctl( SIOCGIWNICKN ) )
{
return "<unknown>";
}
else
{
str[_iwr.u.data.length] = 0x0; // some drivers (e.g. wlan-ng) don't zero-terminate the string
return str;
}
}
QString OWirelessNetworkInterface::SSID() const
{
char str[IW_ESSID_MAX_SIZE];
_iwr.u.essid.pointer = &str[0];
_iwr.u.essid.length = IW_ESSID_MAX_SIZE;
if ( !wioctl( SIOCGIWESSID ) )
{
return "<unknown>";
}
else
{
return str;
}
}
void OWirelessNetworkInterface::setSSID( const QString& ssid )
{
_iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid );
_iwr.u.essid.length = ssid.length();
wioctl( SIOCSIWESSID );
}
bool OWirelessNetworkInterface::wioctl( int call, iwreqstruct& iwreq ) const
{
int result = ::ioctl( _sfd, call, &iwreq );
if ( result == -1 )
qDebug( "ONetworkInterface::wioctl(): Call %d - Status: Failed: %d (%s)", call, result, strerror( errno ) );
else
qDebug( "ONetworkInterface::wioctl(): Call %d - Status: Ok.", call );
return ( result != -1 );
}
bool OWirelessNetworkInterface::wioctl( int call ) const
{
strcpy( _iwr.ifr_name, (const char*) _name );
return wioctl( call, _iwr );
}
/*======================================================================================
* OMonitoringInterface
*======================================================================================*/
OMonitoringInterface::OMonitoringInterface( ONetworkInterface* iface )
:_enabled( false ), _if( static_cast<OWirelessNetworkInterface*>( iface ) )
{
}
OMonitoringInterface::~OMonitoringInterface()
{
}
void OMonitoringInterface::setChannel( int c )
{
// use standard WE channel switching protocol
memset( &_if->_iwr, 0, sizeof( iwreqstruct ) );
_if->_iwr.u.freq.m = c;
_if->_iwr.u.freq.e = 0;
_if->wioctl( SIOCSIWFREQ );
}
bool OMonitoringInterface::enabled() const
{
return _enabled;
}
void OMonitoringInterface::setEnabled( bool b )
{
// open a packet capturer here or leave this to
// the client code?
/*
if ( b )
{
OPacketCapturer* opcap = new OPacketCapturer();
opcap->open( _if->name() );
}
*/
_enabled = b;
}
/*======================================================================================
* OCiscoMonitoringInterface
*======================================================================================*/
OCiscoMonitoringInterface::OCiscoMonitoringInterface( ONetworkInterface* iface )
:OMonitoringInterface( iface )
{
iface->setMonitoring( this );
}
OCiscoMonitoringInterface::~OCiscoMonitoringInterface()
{
}
void OCiscoMonitoringInterface::setEnabled( bool b )
{
QString fname;
fname.sprintf( "/proc/driver/aironet/%s", (const char*) _if->name() );
QFile f( fname );
if ( !f.exists() ) return;
if ( f.open( IO_WriteOnly ) )
{
QTextStream s( &f );
s << "Mode: r";
s << "Mode: y";
s << "XmitPower: 1";
OMonitoringInterface::setEnabled( b );
}
// flushing and closing will be done automatically when f goes out of scope
}
QString OCiscoMonitoringInterface::name() const
{
return "cisco";
}
void OCiscoMonitoringInterface::setChannel( int )
{
// cisco devices automatically switch channels when in monitor mode
}
/*======================================================================================
* OWlanNGMonitoringInterface
*======================================================================================*/
OWlanNGMonitoringInterface::OWlanNGMonitoringInterface( ONetworkInterface* iface )
:OMonitoringInterface( iface )
{
iface->setMonitoring( this );
}
OWlanNGMonitoringInterface::~OWlanNGMonitoringInterface()
{
}
void OWlanNGMonitoringInterface::setEnabled( bool b )
{
//FIXME: do nothing if its already in the same mode
QString enable = b ? "true" : "false";
QString cmd;
cmd.sprintf( "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=%s", (const char*) _if->name(), 1, (const char*) enable );
system( cmd );
OMonitoringInterface::setEnabled( b );
}
QString OWlanNGMonitoringInterface::name() const
{
return "wlan-ng";
}
void OWlanNGMonitoringInterface::setChannel( int )
{
// wlan-ng devices automatically switch channels when in monitor mode
}
/*======================================================================================
* OHostAPMonitoringInterface
*======================================================================================*/
OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface )
:OMonitoringInterface( iface )
{
iface->setMonitoring( this );
}
OHostAPMonitoringInterface::~OHostAPMonitoringInterface()
{
}
void OHostAPMonitoringInterface::setEnabled( bool b )
{
// IW_MODE_MONITOR was introduced in Wireless Extensions Version 15
// Wireless Extensions < Version 15 need iwpriv commandos for monitoring
if ( b )
{
#if WIRELESS_EXT > 14
_if->_iwr.u.mode = IW_MODE_MONITOR;
_if->wioctl( SIOCSIWMODE );
#else
int* args = (int*) &_if->_iwr.u.name;
args[0] = 2;
args[1] = 0;
_if->wioctl( SIOCDEVPRIVATE );
#endif
}
else
{
#if WIRELESS_EXT > 14
_if->_iwr.u.mode = IW_MODE_INFRA;
_if->wioctl( SIOCSIWMODE );
#else
int* args = (int*) &_if->_iwr.u.name;
args[0] = 0;
args[1] = 0;
_if->wioctl( SIOCDEVPRIVATE );
#endif
}
OMonitoringInterface::setEnabled( b );
}
QString OHostAPMonitoringInterface::name() const
{
return "hostap";
}
/*======================================================================================
* OOrinocoNetworkInterface
*======================================================================================*/
OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface )
:OMonitoringInterface( iface )
{
iface->setMonitoring( this );
}
OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface()
{
}
void OOrinocoMonitoringInterface::setChannel( int c )
{
// call iwpriv <device> monitor 2 <channel>
int* args = (int*) &_if->_iwr.u.name;
args[0] = 2;
args[1] = c;
_if->wioctl( SIOCIWFIRSTPRIV + 0x8 );
}
void OOrinocoMonitoringInterface::setEnabled( bool b )
{
if ( b )
{
setChannel( 1 );
}
else
{
// call iwpriv <device> monitor 0 0
int* args = (int*) &_if->_iwr.u.name;
args[0] = 0;
args[1] = 0;
_if->wioctl( SIOCIWFIRSTPRIV + 0x8 );
}
OMonitoringInterface::setEnabled( b );
}
QString OOrinocoMonitoringInterface::name() const
{
return "orinoco";
}