| -rw-r--r-- | libopie2/opienet/802_11_user.h | 14 | ||||
| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 5 | ||||
| -rw-r--r-- | libopie2/opienet/opcap.cpp | 31 | ||||
| -rw-r--r-- | libopie2/opienet/opcap.h | 19 |
4 files changed, 67 insertions, 2 deletions
diff --git a/libopie2/opienet/802_11_user.h b/libopie2/opienet/802_11_user.h index f596bd8..cd98503 100644 --- a/libopie2/opienet/802_11_user.h +++ b/libopie2/opienet/802_11_user.h @@ -308,128 +308,142 @@ struct ds_t { u_int8_t element_id; 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]; }; 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_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; }; +/* a 802.11 value */ +struct val_80211 { + unsigned int did; + unsigned short status, len; + unsigned int data; +}; + +/* header attached during prism monitor mode */ +struct prism_hdr { + unsigned int msgcode, msglen; + char devname[16]; + struct val_80211 hosttime, mactime, channel, rssi, sq, signal, + noise, rate, istx, frmlen; +}; struct ieee_802_11_data_body { //FIXME }; struct ieee_802_11_control_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]; }; #define CTRL_CTS_LEN (2+2+6+4) struct ctrl_ack_t { u_int16_t fc; u_int16_t duration; u_int8_t ra[6]; u_int8_t fcs[4]; }; #define CTRL_ACK_LEN (2+2+6+4) struct ctrl_ps_poll_t { u_int16_t fc; u_int16_t aid; u_int8_t bssid[6]; u_int8_t ta[6]; u_int8_t fcs[4]; }; #define CTRL_PS_POLL_LEN (2+2+6+6+4) struct ctrl_end_t { u_int16_t fc; u_int16_t duration; u_int8_t ra[6]; u_int8_t bssid[6]; u_int8_t fcs[4]; }; #define CTRL_END_LEN (2+2+6+6+4) struct ctrl_end_ack_t { u_int16_t fc; u_int16_t duration; u_int8_t ra[6]; u_int8_t bssid[6]; u_int8_t fcs[4]; }; diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index be2736a..95e7043 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -590,129 +590,130 @@ void OWirelessNetworkInterface::setChannel( int c ) const memset( &_iwr, 0, sizeof( struct iwreq ) ); _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( 10.0, _iwr.u.freq.e ) / 1000000000.0; } } int OWirelessNetworkInterface::channels() const { return _channels.count(); } void OWirelessNetworkInterface::setChannelHopping( int interval ) { if ( !_hopper ) _hopper = new OChannelHopper( this ); _hopper->setInterval( interval ); //FIXME: When and by whom will the channel hopper be deleted? //TODO: rely on QObject hierarchy } int OWirelessNetworkInterface::channelHopping() const { return _hopper->interval(); } OChannelHopper* OWirelessNetworkInterface::channelHopper() const { return _hopper; } 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 { qDebug( "dataLinkType = %d", dataLinkType() ); - return dataLinkType() == ARPHRD_IEEE80211; + return ( dataLinkType() == ARPHRD_IEEE80211 || dataLinkType() == 802 ); + // 802 is the header type for PRISM - Linux support for this is pending... } 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; } } void OWirelessNetworkInterface::setPrivate( const QString& call, int numargs, ... ) { OPrivateIOCTL* priv = static_cast<OPrivateIOCTL*>( child( (const char*) call ) ); if ( !priv ) { qDebug( "OWirelessNetworkInterface::setPrivate(): interface '%s' does not support private ioctl '%s'", name(), (const char*) call ); return; } if ( priv->numberSetArgs() != numargs ) { qDebug( "OWirelessNetworkInterface::setPrivate(): parameter count not matching. '%s' expects %d arguments, but got %d", (const char*) call, priv->numberSetArgs(), numargs ); return; } qDebug( "OWirelessNetworkInterface::setPrivate(): about to call '%s' on interface '%s'", (const char*) call, name() ); memset( &_iwr, 0, sizeof _iwr ); va_list argp; va_start( argp, numargs ); for ( int i = 0; i < numargs; ++i ) { priv->setParameter( i, va_arg( argp, int ) ); } va_end( argp ); priv->invoke(); } void OWirelessNetworkInterface::getPrivate( const QString& call ) { qWarning( "OWirelessNetworkInterface::getPrivate() is not implemented yet." ); } bool OWirelessNetworkInterface::hasPrivate( const QString& call ) { return child( (const char*) call ); } QString OWirelessNetworkInterface::SSID() const { char str[IW_ESSID_MAX_SIZE]; _iwr.u.essid.pointer = &str[0]; _iwr.u.essid.length = IW_ESSID_MAX_SIZE; @@ -872,85 +873,85 @@ QString OWlanNGMonitoringInterface::name() const void OWlanNGMonitoringInterface::setChannel( int ) { // wlan-ng devices automatically switch channels when in monitor mode } /*====================================================================================== * OHostAPMonitoringInterface *======================================================================================*/ OHostAPMonitoringInterface::OHostAPMonitoringInterface( ONetworkInterface* iface ) :OMonitoringInterface( iface ) { iface->setMonitoring( this ); } OHostAPMonitoringInterface::~OHostAPMonitoringInterface() { } void OHostAPMonitoringInterface::setEnabled( bool b ) { // IW_MODE_MONITOR was introduced in Wireless Extensions Version 15 // Wireless Extensions < Version 15 need iwpriv commandos for monitoring //TODO: check wireless extensions version on runtime and use //TODO: SIOCSIWMODE( IW_MODE_MONITOR ) if running on WE >= 15 if ( b ) { _if->setPrivate( "monitor", 1, 2 ); } else { _if->setPrivate( "monitor", 1, 0 ); } } QString OHostAPMonitoringInterface::name() const { return "hostap"; } /*====================================================================================== * OOrinocoNetworkInterface *======================================================================================*/ OOrinocoMonitoringInterface::OOrinocoMonitoringInterface( ONetworkInterface* iface ) :OMonitoringInterface( iface ) { iface->setMonitoring( this ); } OOrinocoMonitoringInterface::~OOrinocoMonitoringInterface() { } void OOrinocoMonitoringInterface::setChannel( int c ) { - _if->setPrivate( "monitor", 2, 2, c ); + _if->setPrivate( "monitor", 2, 1, c ); } void OOrinocoMonitoringInterface::setEnabled( bool b ) { if ( b ) { setChannel( 1 ); } else { _if->setPrivate( "monitor", 2, 0, 0 ); } } QString OOrinocoMonitoringInterface::name() const { return "orinoco"; } diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp index e362883..675818e 100644 --- a/libopie2/opienet/opcap.cpp +++ b/libopie2/opienet/opcap.cpp @@ -4,128 +4,133 @@ Martin J. Muench <mjm@remote-exploit.org> Max Moser <mmo@remote-exploit.org Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.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; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+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 =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. 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> #include <qobjectlist.h> /*====================================================================================== * OPacket *======================================================================================*/ OPacket::OPacket( int datalink, 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 ); switch ( datalink ) { case DLT_EN10MB: qDebug( "OPacket::OPacket(): Received Packet. Datalink = ETHERNET" ); new OEthernetPacket( _end, (const struct ether_header*) data, this ); break; case DLT_IEEE802_11: qDebug( "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" ); new OWaveLanPacket( _end, (const struct ieee_802_11_header*) data, this ); break; + case DLT_PRISM_HEADER: + qDebug( "OPacket::OPacket(): Received Packet. Datalink = PRISM_HEADER" ); + new OPrismHeaderPacket( _end, (const struct prism_hdr*) (unsigned char*) data, this ); + break; + default: qWarning( "OPacket::OPacket(): Received Packet over unsupported datalink '%s'!", datalink ); } } OPacket::~OPacket() { } timevalstruct OPacket::timeval() const { return _hdr.ts; } int OPacket::caplen() const { return _hdr.caplen; } void OPacket::updateStats( QMap<QString,int>& stats, QObjectList* l ) { if (!l) return; QObject* o = l->first(); while ( o ) { stats[o->name()]++; updateStats( stats, const_cast<QObjectList*>( o->children() ) ); o = l->next(); } } QString OPacket::dump( int bpl ) const { static int index = 0; index++; int len = _hdr.caplen; QString str; str.sprintf( "\n<----- Packet #%04d Len = 0x%X (%d) ----->\n\n", index, len, len ); str.append( "0000: " ); QString tmp; QString bytes; QString chars; for ( int i = 0; i < len; ++i ) { tmp.sprintf( "%02X ", _data[i] ); bytes.append( tmp ); if ( (_data[i] > 31) && (_data[i]<128) ) chars.append( _data[i] ); else chars.append( '.' ); if ( !((i+1) % bpl) ) { str.append( bytes ); str.append( ' ' ); str.append( chars ); str.append( '\n' ); tmp.sprintf( "%04X: ", i+1 ); str.append( tmp ); bytes = ""; chars = ""; } @@ -255,128 +260,154 @@ int OIPPacket::len() const int OIPPacket::id() const { return EXTRACT_16BITS( &_iphdr->id ); } int OIPPacket::offset() const { return EXTRACT_16BITS( &_iphdr->frag_off ); } 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 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 unsigned char* end, const struct tcphdr* data, QObject* parent ) :QObject( parent, "TCP" ), _tcphdr( data ) { qDebug( "OTCPPacket::OTCPPacket(): decoding TCP header..." ); } OTCPPacket::~OTCPPacket() { } /*====================================================================================== + * OPrismHeaderPacket + *======================================================================================*/ + + +OPrismHeaderPacket::OPrismHeaderPacket( const unsigned char* end, const struct prism_hdr* data, QObject* parent ) + :QObject( parent, "Prism" ), _header( data ) + +{ + qDebug( "OPrismHeaderPacket::OPrismHeaderPacket(): decoding PRISM header..." ); + + qDebug( "Signal Strength = %d", data->signal.data ); + + new OWaveLanPacket( end, (const struct ieee_802_11_header*) (data+1), this ); +} + +OPrismHeaderPacket::~OPrismHeaderPacket() +{ +} + + +unsigned int OPrismHeaderPacket::signalStrength() const +{ + return _header->signal.data; +} + +/*====================================================================================== * OWaveLanPacket *======================================================================================*/ 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( "payload is encrypted: %s", usesWep() ? "yes" : "no" ); 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( 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_control_header*) data, this ); break; default: qDebug( "OWaveLanPacket::OWaveLanPacket(): Warning: Unknown major type '%d'!", 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 ); } OMacAddress OWaveLanPacket::macAddress3() const { return OMacAddress( _wlanhdr->mac3 ); } OMacAddress OWaveLanPacket::macAddress4() const { return OMacAddress( _wlanhdr->mac4 ); } int OWaveLanPacket::subType() const diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h index fe88e68..83f7115 100644 --- a/libopie2/opienet/opcap.h +++ b/libopie2/opienet/opcap.h @@ -94,128 +94,147 @@ class QSocketNotifier; * the header must be inspected before attempting to decode the payload. Hence, the * encapsulation level varies and can't be deduced without actually looking into the packets. * * For actually working with captured frames, it's useful to identify the packets via names and * insert them into a parent/child - relationship based on the encapsulation. This is why * all packet classes derive from QObject. The amount of overhead caused by the QObject is * not a problem in this case, because we're talking about a theoratical maximum of about * 10 packets per captured frame. We need to stuff them into a searchable list anyway and the * QObject also cares about destroying the sub-, (child-) packets. * * This enables us to perform a simple look for packets of a certain type: * @code * OPacketCapturer* pcap = new OPacketCapturer(); * pcap->open( "eth0" ); * OPacket* p = pcap->next(); * OIPPacket* ip = (OIPPacket*) p->child( "IP" ); // returns 0, if no such child exists * odebug << "got ip packet from " << ip->fromIPAddress().toString() << " to " << ip->toIPAddress().toString() << oendl; * */ class OPacket : public QObject { Q_OBJECT public: OPacket( int datalink, packetheaderstruct, const unsigned char*, QObject* parent ); virtual ~OPacket(); timevalstruct timeval() const; int caplen() const; int len() const; QString dump( int = 32 ) const; void updateStats( QMap<QString,int>&, QObjectList* ); 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 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; }; /*====================================================================================== + * OPrismHeaderPacket - DLT_PRISM_HEADER frame + *======================================================================================*/ + +class OPrismHeaderPacket : public QObject +{ + Q_OBJECT + + public: + OPrismHeaderPacket( const unsigned char*, const struct prism_hdr*, QObject* parent = 0 ); + virtual ~OPrismHeaderPacket(); + + unsigned int signalStrength() const; + + private: + const struct prism_hdr* _header; +}; + + +/*====================================================================================== * OWaveLanPacket - DLT_IEEE802_11 frame *======================================================================================*/ class OWaveLanPacket : public QObject { Q_OBJECT public: 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 unsigned char*, const struct ieee_802_11_mgmt_header*, OWaveLanPacket* parent = 0 ); virtual ~OWaveLanManagementPacket(); QString managementType() 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 { |