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/***************************************************************************
interface_wireless_wirelessextensions.cpp - description
-------------------
begin : Sun May 6 2001
copyright : (C) 2001 by Stefan Winter
email : mail@stefan-winter.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "interface_wireless_wirelessextensions.h"
#include <iwlib.h>
#include <tqdir.h>
#include <tqfile.h>
#include <tqtable.h>
#include <kmessagebox.h>
#ifndef WITHOUT_ARTS
#include <arts/artsflow.h>
#include <arts/connect.h>
#include <arts/iomanager.h>
#include <arts/referenceclean.h>
#endif
#ifndef PROC_NET_DEV
#define PROC_NET_DEV "/proc/net/dev"
#endif
#include <iostream>
#include <string>
#include <klocale.h>
#include <kstandarddirs.h>
#include <kprocio.h>
#include <kdebug.h>
#include <tqstring.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
// domi:the wireless-tools people managed to change their interfaces
// around. Someone with more knowledge of this code should look into
// moving to use the new iw_range interfaces.
#ifdef HAVE_IW_27
#ifndef HAVE_IW_27pre19
#define WIFI_CONFIG(config,field) config.field
#define WIFI_EXTRACT_EVENT_STREAM(stream, event) \
iw_extract_event_stream(stream, event)
#else
#define WIFI_CONFIG(config,field) config.b.field
#define WIFI_EXTRACT_EVENT_STREAM(stream, event) \
iw_extract_event_stream(stream, event, WIRELESS_EXT)
#endif
#define WIFI_GET_STATS(skfd, ifname, stats) \
iw_get_stats (skfd, ifname, stats, 0, 0)
#define WIFI_PRINT_STATS(buff, event) \
iw_print_stats(buffer, sizeof(buffer), &event->u.qual, 0, 0);
#else // HAVE_IW_25
#define WIFI_CONFIG(config,field) config.field
#define WIFI_EXTRACT_EVENT_STREAM(stream, event) \
iw_extract_event_stream(stream, event)
#define WIFI_GET_STATS(skfd, ifname, stats) \
iw_get_stats (skfd, ifname, stats)
#define WIFI_PRINT_STATS(buff, event) \
iw_print_stats(buffer, &event->u.qual, 0, 0);
#endif
/* ================================== FROM IWCONFIG.C ================================== */
int
Interface_wireless_wirelessextensions::get_info (int skfd, const TQString& interface,
struct wireless_info& info)
{
struct iwreq wrq;
char ifname[20];
snprintf(ifname, sizeof(ifname), "%s", interface.latin1() );
memset (&info, 0, sizeof(info));
/* Get wireless name */
if (iw_get_ext (skfd, ifname, SIOCGIWNAME, &wrq) < 0)
{
/* If no wireless name : no wireless extensions */
/* But let's check if the interface exists at all */
struct ifreq ifr;
strcpy (ifr.ifr_name, ifname);
if (ioctl (skfd, SIOCGIFFLAGS, &ifr) < 0)
return (-ENODEV);
else
return (-ENOTSUP);
}
else
{
strncpy (WIFI_CONFIG(info,name), wrq.u.name, IFNAMSIZ);
WIFI_CONFIG(info,name)[IFNAMSIZ] = '\0';
}
/* Get ranges */
if (iw_get_range_info (skfd, ifname, &(info.range)) >= 0)
info.has_range = 1;
/* Get network ID */
if (iw_get_ext (skfd, ifname, SIOCGIWNWID, &wrq) >= 0)
{
WIFI_CONFIG(info,has_nwid) = 1;
memcpy (&(WIFI_CONFIG(info,nwid)), &(wrq.u.nwid), sizeof (iwparam));
}
/* Get frequency / channel */
if (iw_get_ext (skfd, ifname, SIOCGIWFREQ, &wrq) >= 0)
{
WIFI_CONFIG(info,has_freq) = 1;
WIFI_CONFIG(info,freq) = iw_freq2float (&(wrq.u.freq));
}
/* Get sensitivity */
if (iw_get_ext (skfd, ifname, SIOCGIWSENS, &wrq) >= 0)
{
info.has_sens = 1;
memcpy (&(info.sens), &(wrq.u.sens), sizeof (iwparam));
}
/* Get encryption information */
wrq.u.data.pointer = (caddr_t) WIFI_CONFIG(info,key);
wrq.u.data.length = IW_ENCODING_TOKEN_MAX;
wrq.u.data.flags = 0;
if (iw_get_ext (skfd, ifname, SIOCGIWENCODE, &wrq) >= 0)
{
WIFI_CONFIG(info,has_key) = 1;
WIFI_CONFIG(info,key_size) = wrq.u.data.length;
WIFI_CONFIG(info,key_flags) = wrq.u.data.flags;
}
/* Get ESSID */
/* prepare NULL-terminated buffer in case the string returned by SIOCGIWESSID is NOT NULL-terminated */
memset(wrq.u.essid.pointer, '\0', IW_ESSID_MAX_SIZE + 1);
wrq.u.essid.pointer = (caddr_t) WIFI_CONFIG(info,essid);
wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1;
wrq.u.essid.flags = 0;
if (iw_get_ext (skfd, ifname, SIOCGIWESSID, &wrq) >= 0)
{
WIFI_CONFIG(info,has_essid) = 1;
WIFI_CONFIG(info,essid_on) = wrq.u.data.flags;
}
/* Get AP address */
if (iw_get_ext (skfd, ifname, SIOCGIWAP, &wrq) >= 0)
{
info.has_ap_addr = 1;
memcpy (&(info.ap_addr), &(wrq.u.ap_addr), sizeof (sockaddr));
}
/* Get NickName */
wrq.u.essid.pointer = (caddr_t) info.nickname;
wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1;
wrq.u.essid.flags = 0;
if (iw_get_ext (skfd, ifname, SIOCGIWNICKN, &wrq) >= 0)
if (wrq.u.data.length > 1)
info.has_nickname = 1;
/* Get bit rate */
if (iw_get_ext (skfd, ifname, SIOCGIWRATE, &wrq) >= 0)
{
info.has_bitrate = 1;
memcpy (&(info.bitrate), &(wrq.u.bitrate), sizeof (iwparam));
}
/* Get RTS threshold */
if (iw_get_ext (skfd, ifname, SIOCGIWRTS, &wrq) >= 0)
{
info.has_rts = 1;
memcpy (&(info.rts), &(wrq.u.rts), sizeof (iwparam));
}
/* Get fragmentation threshold */
if (iw_get_ext (skfd, ifname, SIOCGIWFRAG, &wrq) >= 0)
{
info.has_frag = 1;
memcpy (&(info.frag), &(wrq.u.frag), sizeof (iwparam));
}
/* Get operation mode */
if (iw_get_ext (skfd, ifname, SIOCGIWMODE, &wrq) >= 0)
{
WIFI_CONFIG(info,mode) = wrq.u.mode;
if ((WIFI_CONFIG(info,mode) < IW_NUM_OPER_MODE) && (WIFI_CONFIG(info,mode) >= 0))
WIFI_CONFIG(info,has_mode) = 1;
}
/* Get Power Management settings */
wrq.u.power.flags = 0;
if (iw_get_ext (skfd, ifname, SIOCGIWPOWER, &wrq) >= 0)
{
info.has_power = 1;
memcpy (&(info.power), &(wrq.u.power), sizeof (iwparam));
}
#if WIRELESS_EXT > 9
/* Get Transmit Power and check if it is disabled */
bool emitTXPowerChanged = false;
if (iw_get_ext (skfd, ifname, SIOCGIWTXPOW, &wrq) >= 0)
{
if (txpower_disabled != info.txpower.disabled)
{
emitTXPowerChanged = true;
}
info.has_txpower = 1;
memcpy (&(info.txpower), &(wrq.u.txpower), sizeof (iwparam));
}
has_txpower = info.has_txpower;
txpower_disabled = ( int )info.txpower.disabled;
if (emitTXPowerChanged)
{
emit txPowerChanged();
}
#endif
#if WIRELESS_EXT > 10
/* Get retry limit/lifetime */
if (iw_get_ext (skfd, ifname, SIOCGIWRETRY, &wrq) >= 0)
{
info.has_retry = 1;
memcpy (&(info.retry), &(wrq.u.retry), sizeof (iwparam));
}
#endif /* WIRELESS_EXT > 10 */
/* Get stats */
if (WIFI_GET_STATS (skfd, (char *) ifname, &(info.stats)) >= 0)
{
info.has_stats = 1;
}
return (0);
}
/* ================================ END IWCONFIG.C ================================ */
Interface_wireless_wirelessextensions::Interface_wireless_wirelessextensions (TQStringList * ignoreInterfaces)
: Interface_wireless(ignoreInterfaces)
{
}
bool Interface_wireless_wirelessextensions::isSocketOpen()
{
if (socket <= 0)
socket = iw_sockets_open ();
return (socket > 0);
}
void Interface_wireless_wirelessextensions::setActiveDevice( TQString device )
{
kdDebug () << "activating wireless device " << device << endl;
interface_name = device;
if (!isSocketOpen())
return;
emit interfaceChanged ();
emit strengthChanged ();
emit statusChanged ();
emit modeChanged ();
emit speedChanged ();
valid[current] = false;
emit statsUpdated ();
}
void Interface_wireless_wirelessextensions::setNoActiveDevice( )
{
// interface has disappeared - unplugged?
// reset all info except stats
has_frequency = false;
frequency = 0.0;
has_mode = false;
mode = 0;
has_key = 0;
key = TQString();
key_size = 0;
key_flags = 0;
essid = TQString();
access_point_address = TQString();
ip_address = TQString();
bitrate = 0;
has_range = false;
has_txpower = false;
txpower_disabled = 0;
// propagate the changes
setActiveDevice( TQString() );
}
TQStringList Interface_wireless_wirelessextensions::available_wifi_devices()
{
TQFile procnetdev(PROC_NET_DEV);
procnetdev.open (IO_ReadOnly);
kdDebug () << "Autodetecting..." << endl;
TQStringList liste;
TQString device;
while (!procnetdev.atEnd()) {
procnetdev.readLine (device, 9999);
int pos = device.tqfind (':');
if (pos == -1)
continue;
device = device.left(pos).stripWhiteSpace();
if (device.isEmpty())
continue;
// Some drivers create two interfaces, ethX and wifiX. The
// wifiX device are not useful to users because they only
// control the physical wlan settings, not the logical ones. If
// we find a wifiX device then we move it to the start of the
// list which means the first instance of KWifiManger will pick
// up the ethX and only the second instance will pick up the
// wifiX.
if (device.startsWith("wifi"))
liste.prepend(device);
else
liste.append(device);
}
if (liste.isEmpty())
kdDebug () << "No wireless interface found." << endl;
return liste;
}
bool Interface_wireless_wirelessextensions::autodetect_device()
{
if (!isSocketOpen())
return false;
TQStringList liste = available_wifi_devices();
for (TQStringList::Iterator it = liste.begin (); it != liste.end (); ++it)
{
TQString device = *it;
kdDebug () << "[ " << device << " ] " << endl;
wireless_info info;
int result = get_info (socket, device, info);
if ((result != -ENODEV) && (result != -ENOTSUP) &&
(!ignoreInterfaces || ignoreInterfaces->tqfindIndex(device)==-1))
{
setActiveDevice(device);
}
}
if (interface_name.isEmpty())
{
close(socket);
socket = -1;
return false;
}
return true;
}
bool Interface_wireless_wirelessextensions::poll_device_info ()
{
if (current < MAX_HISTORY-1)
++current;
else
current = 0;
if (interface_name.isEmpty())
if (!autodetect_device())
return false;
wireless_info info;
int result = get_info (socket, interface_name, info);
if ((result == -ENODEV) || (result == -ENOTSUP))
{
// interface has disappeared - unplugged?
// reset all info except stats
setNoActiveDevice();
close(socket);
socket = -1;
return false;
}
bool
emitStatusChanged = false, emitModeChanged = false, emitEssidChanged =
false, emitSpeedChanged = false, emitStrengthChanged = false;
iwstats tempic2;
WIFI_GET_STATS (socket, (char *) interface_name.latin1(), &tempic2);
has_frequency = WIFI_CONFIG(info,has_freq);
if (has_frequency)
{
if (frequency != WIFI_CONFIG(info,freq))
emitStatusChanged = true;
frequency = WIFI_CONFIG(info,freq);
}
has_mode = WIFI_CONFIG(info,has_mode);
if (has_mode)
{
if (mode != WIFI_CONFIG(info,mode))
emitModeChanged = true;
mode = WIFI_CONFIG(info,mode);
}
has_key = WIFI_CONFIG(info,has_key);
if (has_key)
{
if ((key != (char *) WIFI_CONFIG(info,key)) || (key_size != WIFI_CONFIG(info,key_size))
|| (key_flags != WIFI_CONFIG(info,key_flags)))
emitStatusChanged = true;
key = (char *) WIFI_CONFIG(info,key);
key_size = WIFI_CONFIG(info,key_size);
key_flags = WIFI_CONFIG(info,key_flags);
}
if (essid != WIFI_CONFIG(info,essid))
{
emitStatusChanged = true;
emitEssidChanged = true;
}
essid = (WIFI_CONFIG(info,essid_on) ? WIFI_CONFIG(info,essid) : "any");
char
ap_addr[256];
iw_ether_ntop ( (const ether_addr *) info.ap_addr.sa_data, ap_addr);
if (access_point_address != ap_addr)
emitStatusChanged = true;
access_point_address = ap_addr;
if (bitrate != info.bitrate.value)
emitSpeedChanged = true;
bitrate = info.bitrate.value;
has_range = info.has_range;
sigLevel[current] = tempic2.qual.level;
noiseLevel[current] = tempic2.qual.noise;
if (has_range) {
range = info.range.max_qual.qual;
// the following checks adjust values for sig levels that are in dBm
// according to iwlib.c. If offset is applied, the resulting
// value is negative and the GUI knows it can add the scale
// unit dBm.
if (tempic2.qual.level > info.range.max_qual.level) {
sigLevel[current] = tempic2.qual.level - 0x100;
noiseLevel[current] = tempic2.qual.noise - 0x100;
}
}
if (sigLevel[current] < sigLevelMin)
sigLevelMin = sigLevel[current];
if (sigLevel[current] > sigLevelMax)
sigLevelMax = sigLevel[current];
if (noiseLevel[current] < noiseLevelMin)
noiseLevelMin = noiseLevel[current];
if (noiseLevel[current] > noiseLevelMax)
noiseLevelMax = noiseLevel[current];
int
tempqual = tempic2.qual.qual;
if (has_range && (range != 0))
tempqual = tempqual * 100 / range;
if ( qual[current != 0 ? current - 1 : MAX_HISTORY-1] != tempqual)
emitStrengthChanged = true;
qual[current] = ( tempqual <= 100 ? tempqual : 100 );
valid[current] = true;
// try to get our local IP address
struct sockaddr *
sa;
struct sockaddr_in *
sin;
struct ifreq
ifr;
/* Copy the interface name into the buffer */
strncpy (ifr.ifr_name, interface_name.latin1 (), IFNAMSIZ);
if (ioctl (socket, SIOCGIFADDR, &ifr) == -1)
{
if (ip_address != "unavailable")
emitStatusChanged = true;
ip_address = "unavailable";
}
/* Now the buffer will contain the information we requested */
sa = (struct sockaddr *) &(ifr.ifr_addr);
if (sa->sa_family == AF_INET)
{
sin = (struct sockaddr_in *) sa;
if (ip_address != (TQString) inet_ntoa (sin->sin_addr))
emitStatusChanged = true;
ip_address = (TQString) inet_ntoa (sin->sin_addr);
}
else
{
ip_address = "unavailable";
}
if (emitStatusChanged)
emit statusChanged ();
if (emitStrengthChanged)
emit strengthChanged ();
if (emitModeChanged)
emit modeChanged ();
if (emitSpeedChanged)
emit speedChanged ();
if (emitEssidChanged)
emit essidChanged (essid);
emit statsUpdated ();
return true;
}
TQTable* Interface_wireless_wirelessextensions::get_available_networks ()
{
networks = new TQTable(0,4,0);
networks->horizontalHeader()->setLabel( 0, i18n("Network Name") );
networks->horizontalHeader()->setLabel( 1, i18n("Mode") );
networks->horizontalHeader()->setLabel( 2, i18n("Quality") );
networks->horizontalHeader()->setLabel( 3, i18n("WEP") );
KProcIO *iwlist = new KProcIO;
TQString iwlist_bin = KStandardDirs::findExe("iwlist");
if(iwlist_bin.isEmpty())
iwlist_bin = KStandardDirs::findExe("iwlist", "/usr/local/sbin:/usr/sbin:/sbin");
if(iwlist_bin.isEmpty())
iwlist_bin = "iwlist"; // try our best ;/
*iwlist << iwlist_bin << interface_name << "scanning";
// connect ( iwlist, TQT_SIGNAL ( readReady ( KProcIO * ) ), this, TQT_SLOT ( parseScanData ( KProcIO * ) ) );
if ( !iwlist->start ( KProcess::Block ) )
KMessageBox::sorry ( 0, i18n ( "Unable to perform the scan. Please make sure the executable \"iwlist\" is in your $PATH." ),
i18n ( "Scanning not possible" ) );
// this should never happen. But there was a report about Block not being as blocking as it should, so let's be safe about it
while (iwlist->isRunning()) sleep ( 1 );
parseScanData ( iwlist );
for (int i = 0; i<4; i++ ) networks->adjustColumn(i);
return networks;
}
void
Interface_wireless_wirelessextensions::parseScanData ( KProcIO * iwlist )
{
TQString data;
int cellcount = 0, iteratecount = 0;
bool ignoreRemainingBits = false;
while ( iwlist->readln ( data, true ) >= 0 )
{
kdDebug ( ) << "iwlist: " << data << "\n";
if ( data.tqcontains ( "does not support scanning" ) )
KMessageBox::sorry ( 0,
i18n
( "Your card does not support scanning. The results window will not contain any results." ),
i18n ( "Scanning not possible" ) );
if ( data.tqcontains ( "Scan completed" ) )
cellcount = 0; // at the very beginning of a scan
if ( data.tqcontains ( "Cell" ) ) {
cellcount++; // new cell discovered
networks->setNumRows ( networks->numRows() +1 );
ignoreRemainingBits = false;
}
if ( data.tqcontains ( "ESSID:" ) )
{
TQString ssid = data.mid ( data.tqfind ( "\"" ) + 1, data.length ( ) - data.tqfind ( "\"" ) - 2 );
if ((ssid=="") || (ssid==" ")) ssid = "(hidden cell)";
networks->setText ( cellcount - 1, 0, ssid );
}
if ( data.tqcontains ( "Mode:" ) )
{
if ( data.tqcontains ( "Master" ) )
networks->setText ( cellcount - 1, 1, TQString ( i18n ( "Managed" ) ) );
if ( data.tqcontains ( "Ad-Hoc" ) )
networks->setText ( cellcount - 1, 1, TQString ( i18n ( "Ad-Hoc" ) ) );
// if could be that this cell belongs to an SSID already discovered, or that there are more than one
// hidden cells, which doesn't give any new information. So, we first search for duplicates and delete
// this row if it's a duplicate. If the same SSID is there once as Managed and once as Ad-Hoc it is no
// duplicate of course, but "something completely different"
for (iteratecount = 0; iteratecount < cellcount - 1; iteratecount++)
{
kdDebug() << "Comparing <" << networks->text(cellcount - 1, 0) << "," << networks->text(iteratecount,0) << " and <"
<< networks->text(cellcount - 1, 1) << "," << networks->text(iteratecount,1) << ">.\n";
if ((networks->text(cellcount - 1 , 0) == networks->text(iteratecount,0)) &&
(networks->text(cellcount - 1 , 1) == networks->text(iteratecount,1)) )
{
networks->setNumRows ( networks->numRows() - 1 );
cellcount--;
ignoreRemainingBits = true;
}
}
}
if ( !ignoreRemainingBits && data.tqcontains ( "Encryption key:" ) )
{
if ( data.tqcontains ( "off" ) )
networks->setText ( cellcount - 1, 3, TQString ( "off" ) );
else
networks->setText ( cellcount - 1, 3, TQString ( "on" ) );
}
if ( !ignoreRemainingBits && data.tqcontains ( "Quality:" ) )
{
TQString quality = data.mid ( data.tqfind ( ":" ) + 1, data.tqfind ( "/" ) - data.tqfind ( ":" ) - 1 );
networks->setText ( cellcount - 1, 2, quality );
}
if ( !ignoreRemainingBits && data.tqcontains ( "Quality=" ) )
{
TQString quality = data.mid ( data.tqfind ( "=" ) + 1, data.tqfind ( "/" ) - data.tqfind ( "=" ) - 1 );
networks->setText ( cellcount - 1, 2, quality );
}
if ( !ignoreRemainingBits && data.tqcontains ( "wpa_ie" ) )
{
networks->setText ( cellcount - 1, 3, TQString ( "WPA" ) );
}
if ( !ignoreRemainingBits && data.tqcontains ( "rsn_ie" ) )
{
networks->setText ( cellcount - 1, 3, TQString ( "WPA2" ) );
}
}
}
#include "interface_wireless_wirelessextensions.moc"
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