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authormickeyl <mickeyl>2003-03-30 01:41:56 (UTC)
committer mickeyl <mickeyl>2003-03-30 01:41:56 (UTC)
commit99899abc80a8aa05044eeecd8a061b0a8efaa713 (patch) (side-by-side diff)
tree45db7a60f17d00ae72d0e8d6b986d5be10232c6c /libopie2/opienet
parent340cb7e64fb898966996b00b93c03ca05a347aa5 (diff)
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opie-99899abc80a8aa05044eeecd8a061b0a8efaa713.tar.gz
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- add classes for 802.11 tagged values
- adjust miniwellenreiter accordingly
Diffstat (limited to 'libopie2/opienet') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opienet/802_11_user.h54
-rw-r--r--libopie2/opienet/onetwork.cpp40
-rw-r--r--libopie2/opienet/onetwork.h7
-rw-r--r--libopie2/opienet/opcap.cpp253
-rw-r--r--libopie2/opienet/opcap.h166
5 files changed, 444 insertions, 76 deletions
diff --git a/libopie2/opienet/802_11_user.h b/libopie2/opienet/802_11_user.h
index 0b3f198..ffdcb93 100644
--- a/libopie2/opienet/802_11_user.h
+++ b/libopie2/opienet/802_11_user.h
@@ -234,53 +234,53 @@ struct ieee_802_11_frame_subtype_class {
struct ieee_802_11_mgmt_header {
u_int16_t fc;
u_int16_t duration;
u_int8_t da[6];
u_int8_t sa[6];
u_int8_t bssid[6];
u_int16_t seq_ctrl;
};
struct ieee_802_11_data_header {
u_int16_t frame_control;
u_int16_t duration;
u_int8_t mac1[6];
u_int8_t mac2[6];
u_int8_t mac3[6];
u_int16_t SeqCtl;
u_int8_t mac4[6];
// u_int16_t gapLen;
// u_int8_t gap[8];
};
-#define CAPABILITY_ESS(cap) ((cap) & 0x0001)
-#define CAPABILITY_IBSS(cap) ((cap) & 0x0002)
-#define CAPABILITY_CFP(cap) ((cap) & 0x0004)
-#define CAPABILITY_CFP_REQ(cap) ((cap) & 0x0008)
-#define CAPABILITY_PRIVACY(cap) ((cap) & 0x0010)
+#define CAPABILITY_ESS(cap) ((cap) & 0x0001)
+#define CAPABILITY_IBSS(cap) ((cap) & 0x0002)
+#define CAPABILITY_CFP(cap) ((cap) & 0x0004)
+#define CAPABILITY_CFP_REQ(cap) ((cap) & 0x0008)
+#define CAPABILITY_PRIVACY(cap) ((cap) & 0x0010)
struct ssid_t {
u_int8_t element_id;
u_int8_t length;
u_char ssid[33]; /* 32 + 1 for null */
};
struct rates_t {
u_int8_t element_id;
u_int8_t length;
u_int8_t rate[8];
};
struct challenge_t {
u_int8_t element_id;
u_int8_t length;
u_int8_t text[254]; /* 1-253 + 1 for null */
};
struct fh_t {
u_int8_t element_id;
@@ -297,77 +297,85 @@ struct ds_t {
u_int8_t length;
u_int8_t channel;
};
struct cf_t {
u_int8_t element_id;
u_int8_t length;
u_int8_t count;
u_int8_t period;
u_int16_t max_duration;
u_int16_t dur_remaing;
};
struct tim_t {
u_int8_t element_id;
u_int8_t length;
u_int8_t count;
u_int8_t period;
u_int8_t bitmap_control;
u_int8_t bitmap[251];
};
-#define E_SSID 0
-#define E_RATES 1
-#define E_FH 2
-#define E_DS 3
-#define E_CF 4
-#define E_TIM 5
-#define E_IBSS 6
-#define E_CHALLENGE 16
-#define E_CISCO 133
+
+struct ibss_t {
+ u_int8_t element_id;
+ u_int8_t length;
+ u_int16_t atim_window;
+};
+
+
+#define E_SSID 0
+#define E_RATES 1
+#define E_FH 2
+#define E_DS 3
+#define E_CF 4
+#define E_TIM 5
+#define E_IBSS 6
+#define E_CHALLENGE 16
+#define E_CISCO 133
struct ieee_802_11_mgmt_body {
- u_int8_t timestamp[8];
- u_int16_t beacon_interval;
+ u_int8_t timestamp[8];
+ u_int16_t beacon_interval;
// u_int16_t listen_interval;
// u_int16_t status_code;
// u_int16_t aid;
// u_char ap[6];
// u_int16_t reason_code;
// u_int16_t auth_alg;
// u_int16_t auth_trans_seq_num;
// struct challenge_t challenge;
- u_int16_t capability_info;
- struct ssid_t ssid;
- struct rates_t rates;
- struct ds_t ds;
- struct cf_t cf;
- struct fh_t fh;
- struct tim_t tim;
+ u_int16_t capability_info;
+// struct ssid_t ssid;
+// struct rates_t rates;
+// struct ds_t ds;
+// struct cf_t cf;
+// struct fh_t fh;
+// struct tim_t tim;
};
struct ieee_802_11_data_body {
//FIXME
};
struct ctrl_rts_t {
u_int16_t fc;
u_int16_t duration;
u_int8_t ra[6];
u_int8_t ta[6];
u_int8_t fcs[4];
};
#define CTRL_RTS_LEN (2+2+6+6+4)
struct ctrl_cts_t {
u_int16_t fc;
u_int16_t duration;
u_int8_t ra[6];
u_int8_t fcs[4];
};
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp
index 1d3b9fe..25c70e0 100644
--- a/libopie2/opienet/onetwork.cpp
+++ b/libopie2/opienet/onetwork.cpp
@@ -270,236 +270,254 @@ bool ONetworkInterface::setPromiscuousMode( bool b )
else _ifr.ifr_flags &= (~IFF_PROMISC);
return ioctl( SIOCSIFFLAGS );
}
bool ONetworkInterface::promiscuousMode() const
{
ioctl( SIOCGIFFLAGS );
return _ifr.ifr_flags & IFF_PROMISC;
}
bool ONetworkInterface::isWireless() const
{
return ioctl( SIOCGIWNAME );
}
/*======================================================================================
* OChannelHopper
*======================================================================================*/
OChannelHopper::OChannelHopper( OWirelessNetworkInterface* iface )
:QObject( 0, "Mickey's funky hopper" ),
- _iface( iface ), _interval( 0 ), _channel( 0 ), _tid( 0 )
+ _iface( iface ), _interval( 0 ), _channel( 1 ), _tid( 0 ),
+ _maxChannel( iface->channels()+1 )
{
}
OChannelHopper::~OChannelHopper()
{
}
+bool OChannelHopper::isActive() const
+{
+ return _tid;
+}
+
+
+int OChannelHopper::channel() const
+{
+ return _channel;
+}
+
+
void OChannelHopper::timerEvent( QTimerEvent* )
{
- //FIXME: Get available channels from OWirelessNetworkInterface
- if ( --_channel < 0 ) _channel = 13;
+ if ( !--_channel ) _channel = _maxChannel;
_iface->setChannel( _channel );
qDebug( "OChannelHopper::timerEvent(): set channel %d on interface '%s'",
_channel, (const char*) _iface->name() );
}
void OChannelHopper::setInterval( int interval )
{
if ( interval == _interval )
return;
if ( _interval )
killTimer( _tid );
+ _tid = 0;
_interval = interval;
if ( _interval )
{
_tid = startTimer( interval );
}
}
int OChannelHopper::interval() const
{
return _interval;
}
/*======================================================================================
* OWirelessNetworkInterface
*======================================================================================*/
OWirelessNetworkInterface::OWirelessNetworkInterface( const QString& name )
- :ONetworkInterface( name ), _hopper( this )
+ :ONetworkInterface( name ), _hopper( 0 )
{
qDebug( "OWirelessNetworkInterface::OWirelessNetworkInterface()" );
init();
}
OWirelessNetworkInterface::~OWirelessNetworkInterface()
{
}
iwreqstruct& OWirelessNetworkInterface::iwr() const
{
return _iwr;
}
void OWirelessNetworkInterface::init()
{
qDebug( "OWirelessNetworkInterface::init()" );
memset( &_iwr, 0, sizeof( struct iwreq ) );
// IEEE802.11(b) radio frequency channels
//FIXME: get these directly from the interface
//FIXME: check if these channels are off-by-one
iwrangestruct range;
_iwr.u.data.pointer = (char*) &range;
_iwr.u.data.length = sizeof( iwrangestruct );
if ( !wioctl( SIOCGIWRANGE ) )
{
qDebug( "OWirelessNetworkInterface::init(): SIOCGIWRANGE failed (%s)", strerror( errno ) );
return;
}
- //TODO: Find out what the difference between num_channel and
- // num_frequency is about.
-
for ( int i = 0; i < range.num_frequency; ++i )
{
int freq = (int) ( double( range.freq[i].m ) * pow( 10, range.freq[i].e ) / 1000000.0 );
- _channels.insert( freq, i );
+ _channels.insert( freq, i+1 );
}
}
QString OWirelessNetworkInterface::associatedAP() const
{
//FIXME: use OMacAddress
QString mac;
if ( ioctl( SIOCGIWAP ) )
{
mac.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
_ifr.ifr_hwaddr.sa_data[0]&0xff,
_ifr.ifr_hwaddr.sa_data[1]&0xff,
_ifr.ifr_hwaddr.sa_data[2]&0xff,
_ifr.ifr_hwaddr.sa_data[3]&0xff,
_ifr.ifr_hwaddr.sa_data[4]&0xff,
_ifr.ifr_hwaddr.sa_data[5]&0xff );
}
else
{
mac = "<Unknown>";
}
return mac;
}
int OWirelessNetworkInterface::channel() const
{
+ //FIXME: When monitoring enabled, then use it
+ //FIXME: to gather the current RF channel
+ //FIXME: Until then, get active channel from hopper.
+ if ( _hopper && _hopper->isActive() )
+ return _hopper->channel();
+
if ( !wioctl( SIOCGIWFREQ ) )
{
return -1;
}
else
{
- //FIXME: This is off-by-one !? Why?
return _channels[ static_cast<int>(double( _iwr.u.freq.m ) * pow( 10, _iwr.u.freq.e ) / 1000000) ];
}
}
void OWirelessNetworkInterface::setChannel( int c ) const
{
if ( !_mon )
{
memset( &_iwr, 0, sizeof( iwreqstruct ) );
_iwr.u.freq.m = c;
_iwr.u.freq.e = 0;
wioctl( SIOCSIWFREQ );
}
else
{
_mon->setChannel( c );
}
}
double OWirelessNetworkInterface::frequency() const
{
if ( !wioctl( SIOCGIWFREQ ) )
{
return -1.0;
}
else
{
return double( _iwr.u.freq.m ) * pow( 10, _iwr.u.freq.e ) / 1000000000.0;
}
}
int OWirelessNetworkInterface::channels() const
{
return _channels.count();
}
void OWirelessNetworkInterface::setChannelHopping( int interval )
{
- _hopper.setInterval( interval );
+ if ( !_hopper ) _hopper = new OChannelHopper( this );
+ _hopper->setInterval( interval );
+ //FIXME: When and by whom will the channel hopper be deleted?
}
int OWirelessNetworkInterface::channelHopping() const
{
- return _hopper.interval();
+ return _hopper->interval();
}
void OWirelessNetworkInterface::setMonitorMode( bool b )
{
if ( _mon )
_mon->setEnabled( b );
else
qDebug( "ONetwork(): can't switch monitor mode without installed monitoring interface" );
}
+
bool OWirelessNetworkInterface::monitorMode() const
{
return _mon ? _mon->enabled() : false;
}
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
return str;
}
}
QString OWirelessNetworkInterface::SSID() const
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index 9a68a74..936ac85 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -121,114 +121,117 @@ class ONetworkInterface
OMacAddress macAddress() const;
protected:
const QString _name;
const int _sfd;
mutable ifreqstruct _ifr;
OMonitoringInterface* _mon;
protected:
ifreqstruct& ifr() const;
virtual void init();
bool ioctl( int call ) const;
bool ioctl( int call, ifreqstruct& ) const;
};
/*======================================================================================
* OChannelHopper
*======================================================================================*/
class OChannelHopper : public QObject
{
public:
OChannelHopper( OWirelessNetworkInterface* );
virtual ~OChannelHopper();
+ bool isActive() const;
+ int channel() const;
virtual void timerEvent( QTimerEvent* );
void setInterval( int );
int interval() const;
private:
OWirelessNetworkInterface* _iface;
int _interval;
int _channel;
int _tid;
+ int _maxChannel;
};
/*======================================================================================
* OWirelessNetworkInterface
*======================================================================================*/
class OWirelessNetworkInterface : public ONetworkInterface
{
friend class OMonitoringInterface;
friend class OCiscoMonitoringInterface;
friend class OWlanNGMonitoringInterface;
friend class OHostAPMonitoringInterface;
friend class OOrinocoMonitoringInterface;
public:
enum Mode { AdHoc, Managed, Monitor };
OWirelessNetworkInterface( const QString& name );
virtual ~OWirelessNetworkInterface();
virtual void setChannel( int ) const;
virtual int channel() const;
virtual double frequency() const;
virtual int channels() const;
//virtual double frequency(int) const;
virtual void setMode( Mode ) {};
virtual bool mode() const {};
virtual void setMonitorMode( bool );
virtual bool monitorMode() const;
- virtual void setChannelHopping( int interval );
+ virtual void setChannelHopping( int interval = 0 );
virtual int channelHopping() const;
virtual void setNickName( const QString& ) {};
virtual QString nickName() const;
virtual bool isAssociated() const {};
virtual QString associatedAP() const;
virtual void setSSID( const QString& );
virtual QString SSID() const;
protected:
mutable iwreqstruct _iwr;
QMap<int,int> _channels;
protected:
virtual void init();
iwreqstruct& iwr() const;
bool wioctl( int call ) const;
bool wioctl( int call, iwreqstruct& ) const;
private:
- OChannelHopper _hopper;
+ OChannelHopper* _hopper;
};
/*======================================================================================
* OMonitoringInterface
*======================================================================================*/
class OMonitoringInterface
{
public:
OMonitoringInterface();
OMonitoringInterface( ONetworkInterface* );
virtual ~OMonitoringInterface();
public:
virtual void setEnabled( bool );
virtual bool enabled() const;
virtual void setChannel( int );
virtual QString name() const = 0;
protected:
bool _enabled;
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp
index 48f874f..913d42e 100644
--- a/libopie2/opienet/opcap.cpp
+++ b/libopie2/opienet/opcap.cpp
@@ -28,57 +28,60 @@
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/* OPIE */
#include <opie2/opcap.h>
/* QT */
#include <qapplication.h> // don't use oapplication here (will decrease reusability in other projects)
#include <qsocketnotifier.h>
/*======================================================================================
* OPacket
*======================================================================================*/
OPacket::OPacket( packetheaderstruct header, const unsigned char* data, QObject* parent )
:QObject( parent, "Generic" ), _hdr( header ), _data( data )
{
qDebug( "OPacket::OPacket(): (Len %d, CapLen %d)" /*, ctime((const time_t*) header.ts.tv_sec)*/, header.len, header.caplen );
+ _end = (unsigned char*) data + header.len;
+ qDebug( "OPacket::data @ %0x, end @ %0x", data, _end );
+
if ( packetCapturer()->dataLink() == DLT_EN10MB )
{
qDebug( "OPacket::OPacket(): Received Packet. Datalink = ETHERNET" );
- new OEthernetPacket( (const struct ether_header*) data, this );
+ new OEthernetPacket( _end, (const struct ether_header*) data, this );
}
else
{
qDebug( "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" );
- new OWaveLanPacket( (const struct ieee_802_11_header*) data, this );
+ new OWaveLanPacket( _end, (const struct ieee_802_11_header*) data, this );
}
}
OPacket::~OPacket()
{
}
OPacketCapturer* OPacket::packetCapturer() const
{
return parent()->inherits( "OPacketCapturer" ) ? static_cast<OPacketCapturer*>( parent() ) : 0;
}
timevalstruct OPacket::timeval() const
{
return _hdr.ts;
}
int OPacket::caplen() const
{
return _hdr.caplen;
@@ -88,115 +91,115 @@ int OPacket::caplen() const
void OPacket::dump() const
{
printf( "OPacket::dump()\n" );
printf( "----------------\n" );
for ( int i = 0; i < _hdr.caplen; ++i )
{
printf( "%02x ", _data[i] );
if ( !((i+1) % 32) ) printf( "\n" );
}
printf( "\n\n" );
}
int OPacket::len() const
{
return _hdr.len;
}
/*======================================================================================
* OEthernetPacket
*======================================================================================*/
-OEthernetPacket::OEthernetPacket( const struct ether_header* data, QObject* parent )
+OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent )
:QObject( parent, "Ethernet" ), _ether( data )
{
qDebug( "Source = %s", (const char*) sourceAddress().toString() );
qDebug( "Destination = %s", (const char*) destinationAddress().toString() );
if ( sourceAddress() == OMacAddress::broadcast )
qDebug( "Source is broadcast address" );
if ( destinationAddress() == OMacAddress::broadcast )
qDebug( "Destination is broadcast address" );
switch ( type() )
{
- case ETHERTYPE_IP: new OIPPacket( (const struct iphdr*) (data+1), this ); break;
+ case ETHERTYPE_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break;
case ETHERTYPE_ARP: { qDebug( "OPacket::OPacket(): Received Ethernet Packet : Type = ARP" ); break; }
case ETHERTYPE_REVARP: { qDebug( "OPacket::OPacket(): Received Ethernet Packet : Type = RARP" ); break; }
default: qDebug( "OPacket::OPacket(): Received Ethernet Packet : Type = UNKNOWN" );
}
}
OEthernetPacket::~OEthernetPacket()
{
}
OMacAddress OEthernetPacket::sourceAddress() const
{
return OMacAddress( _ether->ether_shost );
}
OMacAddress OEthernetPacket::destinationAddress() const
{
return OMacAddress( _ether->ether_dhost );
}
int OEthernetPacket::type() const
{
return ntohs( _ether->ether_type );
}
/*======================================================================================
* OIPPacket
*======================================================================================*/
-OIPPacket::OIPPacket( const struct iphdr* data, QObject* parent )
+OIPPacket::OIPPacket( const unsigned char* end, const struct iphdr* data, QObject* parent )
:QObject( parent, "IP" ), _iphdr( data )
{
qDebug( "OIPPacket::OIPPacket(): decoding IP header..." );
//qDebug( "FromAddress: %s", (const char*) inet_ntoa( *src ) );
//qDebug( " ToAddress: %s", (const char*) inet_ntoa( *dst ) );
qDebug( "FromAddress: %s", (const char*) fromIPAddress().toString() );
qDebug( " toAddress: %s", (const char*) toIPAddress().toString() );
switch ( protocol() )
{
- case IPPROTO_UDP: new OUDPPacket( (const struct udphdr*) (data+1), this ); break;
- case IPPROTO_TCP: new OTCPPacket( (const struct tcphdr*) (data+1), this ); break;
+ case IPPROTO_UDP: new OUDPPacket( end, (const struct udphdr*) (data+1), this ); break;
+ case IPPROTO_TCP: new OTCPPacket( end, (const struct tcphdr*) (data+1), this ); break;
default: qDebug( "OIPPacket::OIPPacket(): unknown IP protocol type = %d", protocol() );
}
}
OIPPacket::~OIPPacket()
{
}
QHostAddress OIPPacket::fromIPAddress() const
{
return EXTRACT_32BITS( &_iphdr->saddr );
}
QHostAddress OIPPacket::toIPAddress() const
{
return EXTRACT_32BITS( &_iphdr->saddr );
}
int OIPPacket::tos() const
{
@@ -223,102 +226,102 @@ int OIPPacket::offset() const
int OIPPacket::ttl() const
{
return _iphdr->ttl;
}
int OIPPacket::protocol() const
{
return _iphdr->protocol;
}
int OIPPacket::checksum() const
{
return EXTRACT_16BITS( &_iphdr->check );
}
/*======================================================================================
* OUDPPacket
*======================================================================================*/
-OUDPPacket::OUDPPacket( const struct udphdr* data, QObject* parent )
+OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent )
:QObject( parent, "UDP" ), _udphdr( data )
{
qDebug( "OUDPPacket::OUDPPacket(): decoding UDP header..." );
}
OUDPPacket::~OUDPPacket()
{
}
/*======================================================================================
* OTCPPacket
*======================================================================================*/
-OTCPPacket::OTCPPacket( const struct tcphdr* data, QObject* parent )
+OTCPPacket::OTCPPacket( const unsigned char* end, const struct tcphdr* data, QObject* parent )
:QObject( parent, "TCP" ), _tcphdr( data )
{
qDebug( "OTCPPacket::OTCPPacket(): decoding TCP header..." );
}
OTCPPacket::~OTCPPacket()
{
}
/*======================================================================================
* OWaveLanPacket
*======================================================================================*/
-OWaveLanPacket::OWaveLanPacket( const struct ieee_802_11_header* data, QObject* parent )
+OWaveLanPacket::OWaveLanPacket( const unsigned char* end, const struct ieee_802_11_header* data, QObject* parent )
:QObject( parent, "802.11" ), _wlanhdr( data )
{
qDebug( "OWaveLanPacket::OWaveLanPacket(): decoding IEEE 802.11 header..." );
qDebug( "type: %0X", type() );
qDebug( "subType: %0X", subType() );
qDebug( "duration: %d", duration() );
qDebug( "powermanagement: %d", usesPowerManagement() );
qDebug( "wep: %d", usesWep() );
qDebug( "MAC1: %s", (const char*) macAddress1().toString() );
qDebug( "MAC2: %s", (const char*) macAddress2().toString() );
qDebug( "MAC3: %s", (const char*) macAddress3().toString() );
qDebug( "MAC4: %s", (const char*) macAddress4().toString() );
switch ( type() )
{
- case T_MGMT: new OWaveLanManagementPacket( (const struct ieee_802_11_mgmt_header*) data, this ); break;
- case T_DATA: new OWaveLanDataPacket( (const struct ieee_802_11_data_header*) data, this ); break;
- //case T_CTRL: new OWaveLanControlPacket( (const struct ieee_802_11_ctrl_header*) data, this ); break;
+ case T_MGMT: new OWaveLanManagementPacket( end, (const struct ieee_802_11_mgmt_header*) data, this ); break;
+ case T_DATA: new OWaveLanDataPacket( end, (const struct ieee_802_11_data_header*) data, this ); break;
+ //case T_CTRL: new OWaveLanControlPacket( end, (const struct ieee_802_11_ctrl_header*) data, this ); break;
default: qDebug( "OWaveLanPacket::OWaveLanPacket(): Warning: Unknown type!" );
}
}
OWaveLanPacket::~OWaveLanPacket()
{
}
int OWaveLanPacket::duration() const
{
return _wlanhdr->duration;
}
OMacAddress OWaveLanPacket::macAddress1() const
{
return OMacAddress( _wlanhdr->mac1 );
}
OMacAddress OWaveLanPacket::macAddress2() const
{
return OMacAddress( _wlanhdr->mac2 );
@@ -362,247 +365,441 @@ bool OWaveLanPacket::fromDS() const
bool OWaveLanPacket::toDS() const
{
return FC_TO_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
}
bool OWaveLanPacket::usesPowerManagement() const
{
return FC_POWER_MGMT( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
}
bool OWaveLanPacket::usesWep() const
{
return FC_WEP( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) );
}
/*======================================================================================
* OWaveLanManagementPacket
*======================================================================================*/
-OWaveLanManagementPacket::OWaveLanManagementPacket( const struct ieee_802_11_mgmt_header* data, OWaveLanPacket* parent )
+OWaveLanManagementPacket::OWaveLanManagementPacket( const unsigned char* end, const struct ieee_802_11_mgmt_header* data, OWaveLanPacket* parent )
:QObject( parent, "802.11 Management" ), _header( data ),
_body( (const struct ieee_802_11_mgmt_body*) (data+1) )
{
qDebug( "OWaveLanManagementPacket::OWaveLanManagementPacket(): decoding frame..." );
switch ( ((OWaveLanPacket*) this->parent() )->subType() )
{
case ST_BEACON:
{
- qDebug( "TYPE: BEACON FRAME" );
- qDebug( "ESSID: %s", (const char*) SSID() );
- break;
+ // nice, received a beacon...
+ }
+ }
+
+ // grab tagged values
+ const unsigned char* ptr = (const unsigned char*) (_body+1);
+ while (ptr < end)
+ {
+ switch ( *ptr )
+ {
+ case E_SSID: new OWaveLanManagementSSID( end, (struct ssid_t*) ptr, this ); break;
+ case E_FH: new OWaveLanManagementFH( end, (struct fh_t*) ptr, this ); break;
+ case E_DS: new OWaveLanManagementDS( end, (struct ds_t*) ptr, this ); break;
+ case E_RATES: new OWaveLanManagementRates( end, (struct rates_t*) ptr, this ); break;
+ case E_CF: new OWaveLanManagementCF( end, (struct cf_t*) ptr, this ); break;
+ case E_TIM: new OWaveLanManagementTim( end, (struct tim_t*) ptr, this ); break;
+ case E_IBSS: new OWaveLanManagementIBSS( end, (struct ibss_t*) ptr, this ); break;
+ case E_CHALLENGE: new OWaveLanManagementChallenge( end, (struct challenge_t*) ptr, this ); break;
}
+ ptr+= ( ( struct ssid_t* ) ptr )->length; // skip length of tagged value
+ ptr+= 2; // skip tag ID and length
}
}
OWaveLanManagementPacket::~OWaveLanManagementPacket()
{
}
-QString OWaveLanManagementPacket::SSID() const
+int OWaveLanManagementPacket::beaconInterval() const
+{
+ return EXTRACT_LE_16BITS( &_body->beacon_interval );
+}
+
+
+int OWaveLanManagementPacket::capabilities() const
+{
+ return EXTRACT_LE_16BITS( &_body->capability_info );
+}
+
+
+bool OWaveLanManagementPacket::canESS() const
{
- int length = _body->ssid.length;
+ return CAPABILITY_ESS( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canIBSS() const
+{
+ return CAPABILITY_IBSS( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canCFP() const
+{
+ return CAPABILITY_CFP( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canCFP_REQ() const
+{
+ return CAPABILITY_CFP_REQ( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+bool OWaveLanManagementPacket::canPrivacy() const
+{
+ return CAPABILITY_PRIVACY( EXTRACT_LE_16BITS( &_body->capability_info ) );
+}
+
+
+/*======================================================================================
+ * OWaveLanManagementSSID
+ *======================================================================================*/
+
+OWaveLanManagementSSID::OWaveLanManagementSSID( const unsigned char* end, const struct ssid_t* data, QObject* parent )
+ :QObject( parent, "802.11 SSID" ), _data( data )
+{
+ qDebug( "OWaveLanManagementSSID()" );
+}
+
+
+OWaveLanManagementSSID::~OWaveLanManagementSSID()
+{
+}
+
+
+QString OWaveLanManagementSSID::ID() const
+{
+ int length = _data->length;
if ( length > 32 ) length = 32;
char essid[length+1];
- memcpy( &essid, _body->ssid.ssid, length );
+ memcpy( &essid, &_data->ssid, length );
essid[length] = 0x0;
return essid;
}
/*======================================================================================
+ * OWaveLanManagementRates
+ *======================================================================================*/
+
+OWaveLanManagementRates::OWaveLanManagementRates( const unsigned char* end, const struct rates_t* data, QObject* parent )
+ :QObject( parent, "802.11 Rates" ), _data( data )
+{
+ qDebug( "OWaveLanManagementRates()" );
+}
+
+
+OWaveLanManagementRates::~OWaveLanManagementRates()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementCF
+ *======================================================================================*/
+
+OWaveLanManagementCF::OWaveLanManagementCF( const unsigned char* end, const struct cf_t* data, QObject* parent )
+ :QObject( parent, "802.11 CF" ), _data( data )
+{
+ qDebug( "OWaveLanManagementCF()" );
+}
+
+
+OWaveLanManagementCF::~OWaveLanManagementCF()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementFH
+ *======================================================================================*/
+
+OWaveLanManagementFH::OWaveLanManagementFH( const unsigned char* end, const struct fh_t* data, QObject* parent )
+ :QObject( parent, "802.11 FH" ), _data( data )
+{
+ qDebug( "OWaveLanManagementFH()" );
+}
+
+
+OWaveLanManagementFH::~OWaveLanManagementFH()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementDS
+ *======================================================================================*/
+
+OWaveLanManagementDS::OWaveLanManagementDS( const unsigned char* end, const struct ds_t* data, QObject* parent )
+ :QObject( parent, "802.11 DS" ), _data( data )
+{
+ qDebug( "OWaveLanManagementDS()" );
+}
+
+
+OWaveLanManagementDS::~OWaveLanManagementDS()
+{
+}
+
+
+int OWaveLanManagementDS::channel() const
+{
+ return _data->channel;
+}
+
+/*======================================================================================
+ * OWaveLanManagementTim
+ *======================================================================================*/
+
+OWaveLanManagementTim::OWaveLanManagementTim( const unsigned char* end, const struct tim_t* data, QObject* parent )
+ :QObject( parent, "802.11 Tim" ), _data( data )
+{
+ qDebug( "OWaveLanManagementTim()" );
+}
+
+
+OWaveLanManagementTim::~OWaveLanManagementTim()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementIBSS
+ *======================================================================================*/
+
+OWaveLanManagementIBSS::OWaveLanManagementIBSS( const unsigned char* end, const struct ibss_t* data, QObject* parent )
+ :QObject( parent, "802.11 IBSS" ), _data( data )
+{
+ qDebug( "OWaveLanManagementIBSS()" );
+}
+
+
+OWaveLanManagementIBSS::~OWaveLanManagementIBSS()
+{
+}
+
+/*======================================================================================
+ * OWaveLanManagementChallenge
+ *======================================================================================*/
+
+OWaveLanManagementChallenge::OWaveLanManagementChallenge( const unsigned char* end, const struct challenge_t* data, QObject* parent )
+ :QObject( parent, "802.11 Challenge" ), _data( data )
+{
+ qDebug( "OWaveLanManagementChallenge()" );
+}
+
+
+OWaveLanManagementChallenge::~OWaveLanManagementChallenge()
+{
+}
+
+/*======================================================================================
* OWaveLanDataPacket
*======================================================================================*/
-OWaveLanDataPacket::OWaveLanDataPacket( const struct ieee_802_11_data_header* data, OWaveLanPacket* parent )
+OWaveLanDataPacket::OWaveLanDataPacket( const unsigned char* end, const struct ieee_802_11_data_header* data, OWaveLanPacket* parent )
:QObject( parent, "802.11 Data" ), _header( data )
{
//qDebug( "size of header = %d", sizeof( struct ieee_802_11_data_header ) );
//qDebug( "header: %0x", data );
const unsigned char* payload = (const unsigned char*) data + sizeof( struct ieee_802_11_data_header );
//qDebug( "payload: %0x", payload );
if (!( ( (OWaveLanPacket*) this->parent())->duration() )) payload -= 6; // compensation for missing last address
- new OLLCPacket( (const struct ieee_802_11_802_2_header*) payload, this );
+ new OLLCPacket( end, (const struct ieee_802_11_802_2_header*) payload, this );
}
OWaveLanDataPacket::~OWaveLanDataPacket()
{
}
/*======================================================================================
* OLLCPacket
*======================================================================================*/
-OLLCPacket::OLLCPacket( const struct ieee_802_11_802_2_header* data, QObject* parent )
+OLLCPacket::OLLCPacket( const unsigned char* end, const struct ieee_802_11_802_2_header* data, QObject* parent )
:QObject( parent, "802.11 802_2" ), _header( data )
{
qDebug( "OLLCPacket::OLLCPacket(): decoding frame..." );
if ( !(_header->oui[0] || _header->oui[1] || _header->oui[2]) )
{
qDebug( "OLLCPacket::OLLCPacket(): contains an encapsulated Ethernet frame (type=%04X)", EXTRACT_16BITS( &_header->type ) );
switch ( EXTRACT_16BITS( &_header->type ) ) // defined in linux/if_ether.h
{
- case ETH_P_IP: new OIPPacket( (const struct iphdr*) (data+1), this ); break;
+ case ETH_P_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break;
default: qDebug( "OLLCPacket::OLLCPacket(): Unknown Encapsulation Type" );
}
}
}
OLLCPacket::~OLLCPacket()
{
}
/*======================================================================================
* OPacketCapturer
*======================================================================================*/
OPacketCapturer::OPacketCapturer( QObject* parent, const char* name )
:QObject( parent, name ), _name( QString::null ), _open( false ),
- _pch( 0 )
+ _pch( 0 ), _sn( 0 )
{
}
OPacketCapturer::~OPacketCapturer()
{
if ( _open )
{
qDebug( "OPacketCapturer::~OPacketCapturer(): pcap still open, autoclosing." );
close();
}
}
void OPacketCapturer::setBlocking( bool b )
{
if ( pcap_setnonblock( _pch, 1-b, _errbuf ) != -1 )
{
qDebug( "OPacketCapturer::setBlocking(): blocking mode changed successfully." );
}
else
{
qDebug( "OPacketCapturer::setBlocking(): can't change blocking mode: %s", _errbuf );
}
}
bool OPacketCapturer::blocking() const
{
int b = pcap_getnonblock( _pch, _errbuf );
if ( b == -1 )
{
qDebug( "OPacketCapturer::blocking(): can't get blocking mode: %s", _errbuf );
return -1;
}
return !b;
}
void OPacketCapturer::close()
{
if ( _open )
{
+ if ( _sn )
+ {
+ _sn->disconnect( SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
+ delete _sn;
+ }
pcap_close( _pch );
_open = false;
}
}
int OPacketCapturer::dataLink() const
{
return pcap_datalink( _pch );
}
int OPacketCapturer::fileno() const
{
if ( _open )
{
return pcap_fileno( _pch );
}
else
{
return -1;
}
}
OPacket* OPacketCapturer::next()
{
packetheaderstruct header;
+ qDebug( "==> OPacketCapturer::next()" );
const unsigned char* pdata = pcap_next( _pch, &header );
+ qDebug( "<== OPacketCapturer::next()" );
+
if ( header.len )
return new OPacket( header, pdata, this );
else
return 0;
}
bool OPacketCapturer::open( const QString& name )
{
if ( _open )
{
if ( name == _name ) // ignore opening an already openend device
{
return true;
}
else // close the last opened device
{
close();
}
}
_name = name;
pcap_t* handle = pcap_open_live( const_cast<char*>( (const char*) name ), 1024, 0, 0, &_errbuf[0] );
if ( handle )
{
qDebug( "OPacketCapturer::open(): libpcap opened successfully." );
_pch = handle;
_open = true;
- // in case we have a qapp, create a socket notifier
+ // in case we have an application object, create a socket notifier
if ( qApp )
{
- QSocketNotifier* sn = new QSocketNotifier( fileno(), QSocketNotifier::Read, this );
- connect( sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
+ _sn = new QSocketNotifier( fileno(), QSocketNotifier::Read );
+ connect( _sn, SIGNAL( activated(int) ), this, SLOT( readyToReceive() ) );
}
return true;
}
else
{
qDebug( "OPacketCapturer::open(): can't open libpcap: %s", _errbuf );
return false;
}
}
bool OPacketCapturer::isOpen() const
{
return _open;
}
void OPacketCapturer::readyToReceive()
{
qDebug( "OPacketCapturer::readyToReceive(): about to emit 'receivePacket(...)'" );
emit receivedPacket( next() );
}
diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h
index 65c550c..0b06572 100644
--- a/libopie2/opienet/opcap.h
+++ b/libopie2/opienet/opcap.h
@@ -39,256 +39,398 @@ extern "C" // work around a bpf/pcap conflict in recent headers
{
#include <pcap.h>
}
#include <netinet/ether.h>
#include <netinet/ip.h>
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <time.h>
/* QT */
#include <qhostaddress.h>
#include <qobject.h>
#include <qstring.h>
/* OPIE */
#include <opie2/onetutils.h>
#include "802_11_user.h"
/* TYPEDEFS */
typedef struct timeval timevalstruct;
typedef struct pcap_pkthdr packetheaderstruct;
/* FORWARDS */
class OPacketCapturer;
+class QSocketNotifier;
/*======================================================================================
* OPacket - A frame on the wire
*======================================================================================*/
class OPacket : public QObject
{
Q_OBJECT
public:
OPacket( packetheaderstruct, const unsigned char*, QObject* parent );
virtual ~OPacket();
timevalstruct timeval() const;
OPacketCapturer* packetCapturer() const;
int caplen() const;
int len() const;
void dump() const;
private:
const packetheaderstruct _hdr; // pcap packet header
const unsigned char* _data; // pcap packet data
+ const unsigned char* _end; // end of pcap packet data
};
/*======================================================================================
* OEthernetPacket - DLT_EN10MB frame
*======================================================================================*/
class OEthernetPacket : public QObject
{
Q_OBJECT
public:
- OEthernetPacket( const struct ether_header*, QObject* parent = 0 );
+ OEthernetPacket( const unsigned char*, const struct ether_header*, QObject* parent = 0 );
virtual ~OEthernetPacket();
OMacAddress sourceAddress() const;
OMacAddress destinationAddress() const;
int type() const;
private:
const struct ether_header* _ether;
};
/*======================================================================================
* OWaveLanPacket - DLT_IEEE802_11 frame
*======================================================================================*/
class OWaveLanPacket : public QObject
{
Q_OBJECT
public:
- OWaveLanPacket( const struct ieee_802_11_header*, QObject* parent = 0 );
+ OWaveLanPacket( const unsigned char*, const struct ieee_802_11_header*, QObject* parent = 0 );
virtual ~OWaveLanPacket();
int duration() const;
bool fromDS() const;
bool toDS() const;
virtual OMacAddress macAddress1() const;
virtual OMacAddress macAddress2() const;
virtual OMacAddress macAddress3() const;
virtual OMacAddress macAddress4() const;
bool usesPowerManagement() const;
int type() const;
int subType() const;
int version() const;
bool usesWep() const;
private:
const struct ieee_802_11_header* _wlanhdr;
};
/*======================================================================================
* OWaveLanManagementPacket - type: management (T_MGMT)
*======================================================================================*/
class OWaveLanManagementPacket : public QObject
{
Q_OBJECT
public:
- OWaveLanManagementPacket( const struct ieee_802_11_mgmt_header*, OWaveLanPacket* parent = 0 );
+ OWaveLanManagementPacket( const unsigned char*, const struct ieee_802_11_mgmt_header*, OWaveLanPacket* parent = 0 );
virtual ~OWaveLanManagementPacket();
- QString SSID() const;
+ int beaconInterval() const;
+ int capabilities() const; // generic
+
+ bool canESS() const;
+ bool canIBSS() const;
+ bool canCFP() const;
+ bool canCFP_REQ() const;
+ bool canPrivacy() const;
private:
const struct ieee_802_11_mgmt_header* _header;
const struct ieee_802_11_mgmt_body* _body;
};
/*======================================================================================
+ * OWaveLanManagementSSID
+ *======================================================================================*/
+
+class OWaveLanManagementSSID : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementSSID( const unsigned char*, const struct ssid_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementSSID();
+
+ QString ID() const;
+
+ private:
+ const struct ssid_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementRates
+ *======================================================================================*/
+
+class OWaveLanManagementRates : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementRates( const unsigned char*, const struct rates_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementRates();
+
+ private:
+ const struct rates_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementCF
+ *======================================================================================*/
+
+class OWaveLanManagementCF : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementCF( const unsigned char*, const struct cf_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementCF();
+
+ private:
+ const struct cf_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementFH
+ *======================================================================================*/
+
+class OWaveLanManagementFH : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementFH( const unsigned char*, const struct fh_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementFH();
+
+ private:
+ const struct fh_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementDS
+ *======================================================================================*/
+
+class OWaveLanManagementDS : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementDS( const unsigned char*, const struct ds_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementDS();
+
+ int channel() const;
+
+ private:
+ const struct ds_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementTim
+ *======================================================================================*/
+
+class OWaveLanManagementTim : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementTim( const unsigned char*, const struct tim_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementTim();
+
+ private:
+ const struct tim_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementIBSS
+ *======================================================================================*/
+
+class OWaveLanManagementIBSS : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementIBSS( const unsigned char*, const struct ibss_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementIBSS();
+
+ private:
+ const struct ibss_t* _data;
+};
+
+/*======================================================================================
+ * OWaveLanManagementChallenge
+ *======================================================================================*/
+
+class OWaveLanManagementChallenge : public QObject
+{
+ Q_OBJECT
+
+ public:
+ OWaveLanManagementChallenge( const unsigned char*, const struct challenge_t*, QObject* parent = 0 );
+ virtual ~OWaveLanManagementChallenge();
+
+ private:
+ const struct challenge_t* _data;
+};
+
+/*======================================================================================
* OWaveLanDataPacket - type: data (T_DATA)
*======================================================================================*/
class OWaveLanDataPacket : public QObject
{
Q_OBJECT
public:
- OWaveLanDataPacket( const struct ieee_802_11_data_header*, OWaveLanPacket* parent = 0 );
+ OWaveLanDataPacket( const unsigned char*, const struct ieee_802_11_data_header*, OWaveLanPacket* parent = 0 );
virtual ~OWaveLanDataPacket();
private:
const struct ieee_802_11_data_header* _header;
};
/*======================================================================================
* OLLCPacket - IEEE 802.2 Link Level Control
*======================================================================================*/
class OLLCPacket : public QObject
{
Q_OBJECT
public:
- OLLCPacket( const struct ieee_802_11_802_2_header* data, QObject* parent = 0 );
+ OLLCPacket( const unsigned char*, const struct ieee_802_11_802_2_header* data, QObject* parent = 0 );
virtual ~OLLCPacket();
private:
const struct ieee_802_11_802_2_header* _header;
};
/*======================================================================================
* OIPPacket
*======================================================================================*/
class OIPPacket : public QObject
{
Q_OBJECT
public:
- OIPPacket( const struct iphdr*, QObject* parent = 0 );
+ OIPPacket( const unsigned char*, const struct iphdr*, QObject* parent = 0 );
virtual ~OIPPacket();
QHostAddress fromIPAddress() const;
QHostAddress toIPAddress() const;
int tos() const;
int len() const;
int id() const;
int offset() const;
int ttl() const;
int protocol() const;
int checksum() const;
private:
const struct iphdr* _iphdr;
};
/*======================================================================================
* OUDPPacket
*======================================================================================*/
class OUDPPacket : public QObject
{
Q_OBJECT
public:
- OUDPPacket( const struct udphdr*, QObject* parent = 0 );
+ OUDPPacket( const unsigned char*, const struct udphdr*, QObject* parent = 0 );
virtual ~OUDPPacket();
int fromPort() const;
int toPort() const;
private:
const struct udphdr* _udphdr;
};
/*======================================================================================
* OTCPPacket
*======================================================================================*/
class OTCPPacket : public QObject
{
Q_OBJECT
public:
- OTCPPacket( const struct tcphdr*, QObject* parent = 0 );
+ OTCPPacket( const unsigned char*, const struct tcphdr*, QObject* parent = 0 );
virtual ~OTCPPacket();
int fromPort() const;
int toPort() const;
private:
const struct tcphdr* _tcphdr;
};
/*======================================================================================
* OPacketCapturer
*======================================================================================*/
class OPacketCapturer : public QObject
{
Q_OBJECT
public:
OPacketCapturer( QObject* parent = 0, const char* name = 0 );
~OPacketCapturer();
void setBlocking( bool );
bool blocking() const;
void close();
int dataLink() const;
int fileno() const;
OPacket* next();
bool open( const QString& name );
bool isOpen() const;
signals:
void receivedPacket( OPacket* );
protected slots:
void readyToReceive();
protected:
- QString _name; // devicename
- bool _open; // check this before doing pcap calls
- pcap_t* _pch; // pcap library handle
+ QString _name; // devicename
+ bool _open; // check this before doing pcap calls
+ pcap_t* _pch; // pcap library handle
+ QSocketNotifier* _sn; // socket notifier for main loop
mutable char _errbuf[PCAP_ERRBUF_SIZE];
};
#endif // OPCAP_H