| -rw-r--r-- | noncore/settings/networksettings/wlan/wextensions.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/settings/networksettings/wlan/wextensions.cpp b/noncore/settings/networksettings/wlan/wextensions.cpp index 827d075..bd7cf93 100644 --- a/noncore/settings/networksettings/wlan/wextensions.cpp +++ b/noncore/settings/networksettings/wlan/wextensions.cpp @@ -1,129 +1,129 @@ #include "wextensions.h" #include <qfile.h> #include <qtextstream.h> #include <arpa/inet.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <math.h> #define PROCNETWIRELESS "/proc/net/wireless" #define IW_LOWER 0 #define IW_UPPER 256 /** * Constructor. Sets hasWirelessExtensions */ WExtensions::WExtensions(QString interfaceName): hasWirelessExtensions(false), interface(interfaceName) { fd = socket( AF_INET, SOCK_DGRAM, 0 ); if(fd == -1) return; const char* buffer[200]; memset( &iwr, 0, sizeof( iwr ) ); iwr.u.essid.pointer = (caddr_t) buffer; iwr.u.essid.length = IW_ESSID_MAX_SIZE; iwr.u.essid.flags = 0; // check if it is an IEEE 802.11 standard conform // wireless device by sending SIOCGIWESSID // which also gives back the Extended Service Set ID // (see IEEE 802.11 for more information) const char* iname = interface.latin1(); strcpy( iwr.ifr_ifrn.ifrn_name, (const char *)iname ); if ( 0 == ioctl( fd, SIOCGIWESSID, &iwr ) ) hasWirelessExtensions = true; } /** * @return QString the station name of the access point. */ QString WExtensions::station(){ if(!hasWirelessExtensions) return QString(); const char* buffer[200]; iwr.u.data.pointer = (caddr_t) buffer; iwr.u.data.length = IW_ESSID_MAX_SIZE; iwr.u.data.flags = 0; if ( 0 == ioctl( fd, SIOCGIWNICKN, &iwr )){ iwr.u.data.pointer[(unsigned int) iwr.u.data.length-1] = '\0'; return QString(iwr.u.data.pointer); } return QString(); } /** * @return QString the essid of the host 802.11 access point. */ QString WExtensions::essid(){ if(!hasWirelessExtensions) return QString(); if ( 0 == ioctl( fd, SIOCGIWESSID, &iwr )){ - iwr.u.essid.pointer[(unsigned int) iwr.u.essid.length-1] = '\0'; + iwr.u.essid.pointer[(unsigned int) iwr.u.essid.length] = '\0'; return QString(iwr.u.essid.pointer); } return QString(); } /** * @return QString the mode of interface */ QString WExtensions::mode(){ if(!hasWirelessExtensions) return QString(); if ( 0 == ioctl( fd, SIOCGIWMODE, &iwr ) ) return QString("%1").arg(iwr.u.mode == IW_MODE_ADHOC ? "Ad-Hoc" : "Managed"); return QString(); } /** * Get the frequency that the interface is running at. * @return int the frequency that the interfacae is running at. */ double WExtensions::frequency(){ if(!hasWirelessExtensions) return 0; if ( 0 == ioctl( fd, SIOCGIWFREQ, &iwr )) return (double( iwr.u.freq.m ) * pow( 10, iwr.u.freq.e ) / 1000000000); return 0; } /** * Get the channel that the interface is running at. * @return int the channel that the interfacae is running at. */ int WExtensions::channel(){ if(!hasWirelessExtensions) return 0; if ( 0 != ioctl( fd, SIOCGIWFREQ, &iwr )) return 0; // http://www.elanix.com/pdf/an137e.pdf double num = (double( iwr.u.freq.m ) * pow( 10, iwr.u.freq.e ) / 1000000000); double left = 2.401; double right = 2.416; for(int channel = 1; channel<= 15; channel++){ if( num >= left && num <= right ) return channel; left += 0.005; right += 0.005; } qDebug(QString("Unknown frequency: %1, returning -1 for the channel.").arg(num).latin1()); return -1; } /*** * Get the current rate that the card is transmiting at. * @return double the rate, 0 if error. */ double WExtensions::rate(){ if(!hasWirelessExtensions) return 0; if(0 == ioctl(fd, SIOCGIWRATE, &iwr)){ return ((double)iwr.u.bitrate.value)/1000000; } return 0; |