| -rw-r--r-- | noncore/settings/networksettings/wlan/wextensions.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/noncore/settings/networksettings/wlan/wextensions.cpp b/noncore/settings/networksettings/wlan/wextensions.cpp index fe21f02..8a9db66 100644 --- a/noncore/settings/networksettings/wlan/wextensions.cpp +++ b/noncore/settings/networksettings/wlan/wextensions.cpp @@ -11,113 +11,117 @@ using namespace Opie::Core; /* STD */ #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 #warning This is duplicated code. Use libopienet2! /** * 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); + buffer[(unsigned int) iwr.u.data.length-1] = '\0'; + return (const char*) buffer; } - return QString(); + return QString::null; } /** * @return QString the essid of the host 802.11 access point. */ QString WExtensions::essid(){ 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, SIOCGIWESSID, &iwr )){ - iwr.u.essid.pointer[(unsigned int) iwr.u.essid.length] = '\0'; - return QString(iwr.u.essid.pointer); + buffer[(unsigned int) iwr.u.essid.length] = '\0'; + return (const char*) buffer; } - return QString(); + return QString::null; } /** * @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; } odebug << QString("Unknown frequency: %1, returning -1 for the channel.").arg(num).latin1() << oendl; return -1; |