Diffstat (limited to 'libopie2/opienet/onetwork.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 0a74019..f4bdbe0 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -11,192 +11,198 @@ - . .-<_> .<> Foundation; version 2 of the License. ._= =} : .%`+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> #include <opie2/odebug.h> /* QT */ #include <qfile.h> #include <qtextstream.h> #include <qapplication.h> /* UNIX */ #include <assert.h> #include <arpa/inet.h> #include <errno.h> #include <string.h> #include <stdlib.h> #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 <net/ethernet.h> #include <stdarg.h> #ifndef NODEBUG #include <opie2/odebugmapper.h> using namespace Opie::Core; using namespace Opie::Net::Internal; DebugMapper* debugmapper = new DebugMapper(); #endif /*====================================================================================== * ONetwork *======================================================================================*/ namespace Opie { namespace Net { ONetwork* ONetwork::_instance = 0; ONetwork::ONetwork() { odebug << "ONetwork::ONetwork()" << oendl; odebug << "ONetwork: This code has been compiled against Wireless Extensions V" << WIRELESS_EXT << oendl; 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 ) { odebug << "ONetwork: /proc/net/dev not existing. No network devices available" << oendl; return; } QTextStream s( &f ); s.readLine(); s.readLine(); while ( !s.atEnd() ) { s >> str; str.truncate( str.find( ':' ) ); odebug << "ONetwork: found interface '" << str << "'" << oendl; + if ( str.startsWith( "wifi" ) ) + { + odebug << "ONetwork: ignoring hostap control interface" << oendl; + s.readLine(); + continue; + } ONetworkInterface* iface = 0; if ( isWirelessInterface( str ) ) { iface = new OWirelessNetworkInterface( this, (const char*) str ); odebug << "ONetwork: interface '" << str << "' has Wireless Extensions" << oendl; } else { iface = new ONetworkInterface( this, (const char*) str ); } _interfaces.insert( str, iface ); s.readLine(); } } short ONetwork::wirelessExtensionCompileVersion() { 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::isPresent( const char* name ) const { int sfd = socket( AF_INET, SOCK_STREAM, 0 ); struct ifreq ifr; memset( &ifr, 0, sizeof( struct ifreq ) ); strcpy( (char*) &ifr.ifr_name, name ); int result = ::ioctl( sfd, SIOCGIFFLAGS, &ifr ); return result != -1; } 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 ) { odebug << "ONetworkInterface::ONetworkInterface()" << oendl; init(); } struct ifreq& ONetworkInterface::ifr() const { return _ifr; } void ONetworkInterface::init() { odebug << "ONetworkInterface::init()" << oendl; memset( &_ifr, 0, sizeof( struct ifreq ) ); if ( _sfd == -1 ) { odebug << "ONetworkInterface::init(): Warning - can't get socket for device '" << name() << "'" << oendl; @@ -715,250 +721,251 @@ OChannelHopper* OWirelessNetworkInterface::channelHopper() const void OWirelessNetworkInterface::commit() const { wioctl( SIOCSIWCOMMIT ); } void OWirelessNetworkInterface::setMode( const QString& newMode ) { #ifdef FINALIZE QString currentMode = mode(); if ( currentMode == newMode ) return; #endif odebug << "OWirelessNetworkInterface::setMode(): trying to set mode " << newMode << oendl; _iwr.u.mode = stringToMode( newMode ); if ( _iwr.u.mode != IW_MODE_MONITOR ) { // 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" ) { odebug << "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not sufficient - trying fallback to iwpriv..." << oendl; if ( _mon ) _mon->setEnabled( false ); else odebug << "ONetwork(): can't switch monitor mode without installed monitoring interface" << oendl; } } else // special iwpriv fallback for monitor mode { if ( wioctl( SIOCSIWMODE ) ) { odebug << "OWirelessNetworkInterface::setMode(): IW_MODE_MONITOR ok" << oendl; } else { odebug << "OWirelessNetworkInterface::setMode(): SIOCSIWMODE not working - trying fallback to iwpriv..." << oendl; if ( _mon ) _mon->setEnabled( true ); else odebug << "ONetwork(): can't switch monitor mode without installed monitoring interface" << oendl; } } } QString OWirelessNetworkInterface::mode() const { memset( &_iwr, 0, sizeof( struct iwreq ) ); if ( !wioctl( SIOCGIWMODE ) ) { return "<unknown>"; } odebug << "OWirelessNetworkInterface::setMode(): WE's idea of current mode seems to be " << modeToString( _iwr.u.mode ) << oendl; // 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 + str[_iwr.u.data.length] = '\0'; // some drivers 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 ) { owarn << "OWirelessNetworkInterface::setPrivate(): interface '" << name() << "' does not support private ioctl '" << call << "'" << oendl; return; } if ( priv->numberSetArgs() != numargs ) { owarn << "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '" << call << "' expects " << priv->numberSetArgs() << ", but got " << numargs << oendl; return; } odebug << "OWirelessNetworkInterface::setPrivate(): about to call '" << call << "' on interface '" << name() << "'" << oendl; 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& ) { oerr << "OWirelessNetworkInterface::getPrivate() is not implemented yet." << oendl; } bool OWirelessNetworkInterface::hasPrivate( const QString& call ) { return child( call.local8Bit() ); } 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 { + str[_iwr.u.essid.length] = '\0'; // some drivers don't zero-terminate the string return str; } } void OWirelessNetworkInterface::setSSID( const QString& ssid ) { _iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid ); _iwr.u.essid.length = ssid.length()+1; // zero byte 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 = 10000000; odebug << "ONetworkInterface::scanNetwork() - scan started." << oendl; 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) { odebug << "ONetworkInterface::scanNetwork() - scan in progress..." << oendl; if ( qApp ) { qApp->processEvents( 100 ); continue; } tv.tv_sec = 0; tv.tv_usec = 100000; continue; } } odebug << "ONetworkInterface::scanNetwork() - scan finished." << oendl; if ( results ) { odebug << " - result length = " << _iwr.u.data.length << oendl; if ( !_iwr.u.data.length ) { odebug << " - no results (empty neighbourhood)" << oendl; return stations; } odebug << " - results are in!" << oendl; dumpBytes( (const unsigned char*) &buffer[0], _iwr.u.data.length ); // parse results struct iw_event iwe; struct iw_stream_descr stream; unsigned int cmd_index, event_type, event_len; char *pointer; const char standard_ioctl_hdr[] = { IW_HEADER_TYPE_NULL, /* SIOCSIWCOMMIT */ IW_HEADER_TYPE_CHAR, /* SIOCGIWNAME */ IW_HEADER_TYPE_PARAM, /* SIOCSIWNWID */ IW_HEADER_TYPE_PARAM, /* SIOCGIWNWID */ IW_HEADER_TYPE_FREQ, /* SIOCSIWFREQ */ IW_HEADER_TYPE_FREQ, /* SIOCGIWFREQ */ IW_HEADER_TYPE_UINT, /* SIOCSIWMODE */ IW_HEADER_TYPE_UINT, /* SIOCGIWMODE */ IW_HEADER_TYPE_PARAM, /* SIOCSIWSENS */ IW_HEADER_TYPE_PARAM, /* SIOCGIWSENS */ IW_HEADER_TYPE_NULL, /* SIOCSIWRANGE */ IW_HEADER_TYPE_POINT, /* SIOCGIWRANGE */ IW_HEADER_TYPE_NULL, /* SIOCSIWPRIV */ IW_HEADER_TYPE_POINT, /* SIOCGIWPRIV */ |