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path: root/libopie2/opienet/onetwork.cpp
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Diffstat (limited to 'libopie2/opienet/onetwork.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/onetwork.cpp203
1 files changed, 182 insertions, 21 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index ae1865d..546be9e 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -1,16 +1,16 @@
/*
                This file is part of the Opie Project
-              Copyright (C) 2003-2004 by Michael 'Mickey' Lauer
- =. <mickey@Vanille.de>
+              Copyright (C) 2003-2005 by Michael 'Mickey' Lauer <mickey@Vanille.de>
+ =.
.=l.
           .>+-=
 _;:,     .>    :=|. This program is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> 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
@@ -57,9 +57,8 @@
#ifndef NODEBUG
#include <opie2/odebugmapper.h>
-
using namespace Opie::Core;
using namespace Opie::Net::Internal;
DebugMapper* debugmapper = new DebugMapper();
#endif
@@ -864,9 +863,9 @@ QString OWirelessNetworkInterface::SSID() const
void OWirelessNetworkInterface::setSSID( const QString& ssid )
{
_iwr.u.essid.pointer = const_cast<char*>( (const char*) ssid );
- _iwr.u.essid.length = ssid.length();
+ _iwr.u.essid.length = ssid.length()+1; // zero byte
wioctl( SIOCSIWESSID );
}
@@ -880,9 +879,9 @@ OStationList* OWirelessNetworkInterface::scanNetwork()
}
OStationList* stations = new OStationList();
- int timeout = 1000000;
+ int timeout = 10000000;
odebug << "ONetworkInterface::scanNetwork() - scan started." << oendl;
bool results = false;
@@ -934,16 +933,182 @@ OStationList* OWirelessNetworkInterface::scanNetwork()
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 */
+ IW_HEADER_TYPE_NULL, /* SIOCSIWSTATS */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWSTATS */
+ IW_HEADER_TYPE_POINT, /* SIOCSIWSPY */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWSPY */
+ IW_HEADER_TYPE_POINT, /* SIOCSIWTHRSPY */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWTHRSPY */
+ IW_HEADER_TYPE_ADDR, /* SIOCSIWAP */
+ IW_HEADER_TYPE_ADDR, /* SIOCGIWAP */
+ IW_HEADER_TYPE_NULL, /* -- hole -- */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWAPLIST */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWSCAN */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWSCAN */
+ IW_HEADER_TYPE_POINT, /* SIOCSIWESSID */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWESSID */
+ IW_HEADER_TYPE_POINT, /* SIOCSIWNICKN */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWNICKN */
+ IW_HEADER_TYPE_NULL, /* -- hole -- */
+ IW_HEADER_TYPE_NULL, /* -- hole -- */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWRATE */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWRATE */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWRTS */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWRTS */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWFRAG */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWFRAG */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWTXPOW */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWTXPOW */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWRETRY */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWRETRY */
+ IW_HEADER_TYPE_POINT, /* SIOCSIWENCODE */
+ IW_HEADER_TYPE_POINT, /* SIOCGIWENCODE */
+ IW_HEADER_TYPE_PARAM, /* SIOCSIWPOWER */
+ IW_HEADER_TYPE_PARAM, /* SIOCGIWPOWER */
+ };
+
+ const char standard_event_hdr[] = {
+ IW_HEADER_TYPE_ADDR, /* IWEVTXDROP */
+ IW_HEADER_TYPE_QUAL, /* IWEVQUAL */
+ IW_HEADER_TYPE_POINT, /* IWEVCUSTOM */
+ IW_HEADER_TYPE_ADDR, /* IWEVREGISTERED */
+ IW_HEADER_TYPE_ADDR, /* IWEVEXPIRED */
+ IW_HEADER_TYPE_POINT, /* IWEVGENIE */
+ IW_HEADER_TYPE_POINT, /* IWEVMICHAELMICFAILURE */
+ IW_HEADER_TYPE_POINT, /* IWEVASSOCREQIE */
+ IW_HEADER_TYPE_POINT, /* IWEVASSOCRESPIE */
+ IW_HEADER_TYPE_POINT, /* IWEVPMKIDCAND */
+ };
+
+
+ const int event_type_size[] = {
+ IW_EV_LCP_LEN, /* IW_HEADER_TYPE_NULL */
+ 0,
+ IW_EV_CHAR_LEN, /* IW_HEADER_TYPE_CHAR */
+ 0,
+ IW_EV_UINT_LEN, /* IW_HEADER_TYPE_UINT */
+ IW_EV_FREQ_LEN, /* IW_HEADER_TYPE_FREQ */
+ IW_EV_ADDR_LEN, /* IW_HEADER_TYPE_ADDR */
+ 0,
+ IW_EV_POINT_LEN, /* Without variable payload */
+ IW_EV_PARAM_LEN, /* IW_HEADER_TYPE_PARAM */
+ IW_EV_QUAL_LEN, /* IW_HEADER_TYPE_QUAL */
+ };
+
+
+ //Initialize the stream
+ memset( &stream, 0, sizeof(struct iw_stream_descr) );
+ stream.current = buffer;
+ stream.end = buffer + _iwr.u.data.length;
+
+ do
+ {
+ if ((stream.current + IW_EV_LCP_LEN) > stream.end)
+ break;
+ memcpy((char *) &iwe, stream.current, IW_EV_LCP_LEN);
- int offset = 0;
- struct iw_event* we = (struct iw_event*) &buffer[0];
+ if (iwe.len <= IW_EV_LCP_LEN) //If yes, it is an invalid event
+ break;
+ if (iwe.cmd <= SIOCIWLAST) {
+ cmd_index = iwe.cmd - SIOCIWFIRST;
- while ( offset < _iwr.u.data.length )
- {
- //const char* cmd = *(*_ioctlmap)[we->cmd];
- //if ( !cmd ) cmd = "<unknown>";
+ if(cmd_index < sizeof(standard_ioctl_hdr))
+ event_type = standard_ioctl_hdr[cmd_index];
+ }
+ else {
+ cmd_index = iwe.cmd - IWEVFIRST;
+
+ if(cmd_index < sizeof(standard_event_hdr))
+ event_type = standard_event_hdr[cmd_index];
+ }
+
+ /* Unknown events -> event_type=0 => IW_EV_LCP_LEN */
+ event_len = event_type_size[event_type];
+
+ /* Fixup for later version of WE */
+ if((_range.we_version_compiled > 18) && (event_type == IW_HEADER_TYPE_POINT))
+ event_len -= IW_EV_POINT_OFF;
+
+ /* Check if we know about this event */
+ if(event_len <= IW_EV_LCP_LEN) {
+ /* Skip to next event */
+ stream.current += iwe.len;
+ continue;
+ }
+
+ event_len -= IW_EV_LCP_LEN;
+
+ /* Set pointer on data */
+ if(stream.value != NULL)
+ pointer = stream.value; /* Next value in event */
+ else
+ pointer = stream.current + IW_EV_LCP_LEN; /* First value in event */
+
+ if((pointer + event_len) > stream.end) {
+ /* Go to next event */
+ stream.current += iwe.len;
+ break;
+ }
+
+ /* Fixup for later version of WE */
+ if((_range.we_version_compiled > 18) && (event_type == IW_HEADER_TYPE_POINT))
+ memcpy((char *) &iwe + IW_EV_LCP_LEN + IW_EV_POINT_OFF, pointer, event_len);
+ else
+ memcpy((char *) &iwe + IW_EV_LCP_LEN, pointer, event_len);
+
+ /* Skip event in the stream */
+ pointer += event_len;
+
+ /* Special processing for iw_point events */
+ if(event_type == IW_HEADER_TYPE_POINT) {
+ /* Check the length of the payload */
+
+ if((iwe.len - (event_len + IW_EV_LCP_LEN)) > 0)
+ /* Set pointer on variable part (warning : non aligned) */
+ iwe.u.data.pointer = pointer;
+ else
+ /* No data */
+ iwe.u.data.pointer = NULL;
+ /* Go to next event */
+ stream.current += iwe.len;
+ }
+
+ else {
+ /* Is there more value in the event ? */
+ if((pointer + event_len) <= (stream.current + iwe.len))
+ /* Go to next value */
+ stream.value = pointer;
+ else {
+ /* Go to next event */
+ stream.value = NULL;
+ stream.current += iwe.len;
+ }
+ }
+
+ struct iw_event *we = &iwe;
+ //------
odebug << " - reading next event... cmd=" << we->cmd << ", len=" << we->len << oendl;
switch (we->cmd)
{
case SIOCGIWAP:
@@ -967,9 +1132,11 @@ OStationList* OWirelessNetworkInterface::scanNetwork()
}
case SIOCGIWESSID:
{
odebug << "SIOCGIWESSID" << oendl;
- stations->last()->ssid = static_cast<const char*>( we->u.essid.pointer );
+ we->u.essid.length = '\0'; // make sure it is zero terminated
+ stations->last()->ssid = static_cast<const char*> (we->u.essid.pointer);
+ odebug << "ESSID: " << stations->last()->ssid << oendl;
break;
}
case SIOCGIWSENS: odebug << "SIOCGIWSENS" << oendl; break;
case SIOCGIWENCODE: odebug << "SIOCGIWENCODE" << oendl; break;
@@ -980,21 +1147,15 @@ OStationList* OWirelessNetworkInterface::scanNetwork()
case IWEVEXPIRED: odebug << "IWEVEXPIRED" << oendl; break; /* Expired a node (AP mode) */
default: odebug << "unhandled event" << oendl;
}
- offset += we->len;
- we = (struct iw_event*) &buffer[offset];
- }
- return stations;
-
- return stations;
-
+ } while (true);
}
else
{
odebug << " - no results (timeout) :(" << oendl;
- return stations;
}
+ return stations;
}
int OWirelessNetworkInterface::signalStrength() const