| -rw-r--r-- | libopie2/opienet/opcap.cpp | 42 | ||||
| -rw-r--r-- | libopie2/opienet/opcap.h | 2 |
2 files changed, 35 insertions, 9 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp index 913d42e..6ddd457 100644 --- a/libopie2/opienet/opcap.cpp +++ b/libopie2/opienet/opcap.cpp @@ -1,485 +1,511 @@ /* This file is part of the Opie Project Copyright (C) 2003 by the Wellenreiter team: 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> /*====================================================================================== * 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( _end, (const struct ether_header*) data, this ); } else { qDebug( "OPacket::OPacket(): Received Packet. Datalink = IEEE802.11" ); 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; } -void OPacket::dump() const -{ - printf( "OPacket::dump()\n" ); - printf( "----------------\n" ); +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 = ""; + } - for ( int i = 0; i < _hdr.caplen; ++i ) + } + if ( (len % bpl) ) { - printf( "%02x ", _data[i] ); - if ( !((i+1) % 32) ) printf( "\n" ); + str.append( bytes.leftJustify( 1 + 3*bpl ) ); + str.append( chars ); } - printf( "\n\n" ); + str.append( '\n' ); + return str; } int OPacket::len() const { return _hdr.len; } /*====================================================================================== * OEthernetPacket *======================================================================================*/ 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( 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 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( 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 { return _iphdr->tos; } int OIPPacket::len() const { return EXTRACT_16BITS( &_iphdr->tot_len ); } 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() { } /*====================================================================================== * 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( "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( 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 ); } OMacAddress OWaveLanPacket::macAddress3() const { return OMacAddress( _wlanhdr->mac3 ); } OMacAddress OWaveLanPacket::macAddress4() const { return OMacAddress( _wlanhdr->mac4 ); } int OWaveLanPacket::subType() const { return FC_SUBTYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); } int OWaveLanPacket::type() const { return FC_TYPE( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); } int OWaveLanPacket::version() const { return FC_VERSION( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); } bool OWaveLanPacket::fromDS() const { return FC_FROM_DS( EXTRACT_LE_16BITS( &_wlanhdr->frame_control ) ); } 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 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: { // 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() { } 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 { 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() { } diff --git a/libopie2/opienet/opcap.h b/libopie2/opienet/opcap.h index 0b06572..04d22ff 100644 --- a/libopie2/opienet/opcap.h +++ b/libopie2/opienet/opcap.h @@ -1,436 +1,436 @@ /* This file is part of the Opie Project Copyright (C) 2003 by the Wellenreiter team: 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. */ #ifndef OPCAP_H #define OPCAP_H /* LINUX */ 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; + QString dump( int = 32 ) 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 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 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(); 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 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 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 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 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 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 QSocketNotifier* _sn; // socket notifier for main loop mutable char _errbuf[PCAP_ERRBUF_SIZE]; }; #endif // OPCAP_H |