author | mickeyl <mickeyl> | 2003-05-04 20:38:24 (UTC) |
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committer | mickeyl <mickeyl> | 2003-05-04 20:38:24 (UTC) |
commit | 09dceae91b14a4b2d936ebfc6c7c276686c2b98c (patch) (unidiff) | |
tree | b8ebc6f92ca0008a90ef036c3c5ba873a2f59670 /libopie2/opienet/opcap.cpp | |
parent | 8409a251d52b59585889e1bcaa278a6b847db2fc (diff) | |
download | opie-09dceae91b14a4b2d936ebfc6c7c276686c2b98c.zip opie-09dceae91b14a4b2d936ebfc6c7c276686c2b98c.tar.gz opie-09dceae91b14a4b2d936ebfc6c7c276686c2b98c.tar.bz2 |
add parsing of ARP packets
-rw-r--r-- | libopie2/opienet/opcap.cpp | 65 |
1 files changed, 62 insertions, 3 deletions
diff --git a/libopie2/opienet/opcap.cpp b/libopie2/opienet/opcap.cpp index 675818e..e2ab6d7 100644 --- a/libopie2/opienet/opcap.cpp +++ b/libopie2/opienet/opcap.cpp | |||
@@ -149,25 +149,24 @@ QString OPacket::dump( int bpl ) const | |||
149 | int OPacket::len() const | 149 | int OPacket::len() const |
150 | { | 150 | { |
151 | return _hdr.len; | 151 | return _hdr.len; |
152 | } | 152 | } |
153 | 153 | ||
154 | 154 | ||
155 | /*====================================================================================== | 155 | /*====================================================================================== |
156 | * OEthernetPacket | 156 | * OEthernetPacket |
157 | *======================================================================================*/ | 157 | *======================================================================================*/ |
158 | 158 | ||
159 | OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent ) | 159 | OEthernetPacket::OEthernetPacket( const unsigned char* end, const struct ether_header* data, QObject* parent ) |
160 | :QObject( parent, "Ethernet" ), _ether( data ) | 160 | :QObject( parent, "Ethernet" ), _ether( data ) |
161 | |||
162 | { | 161 | { |
163 | 162 | ||
164 | qDebug( "Source = %s", (const char*) sourceAddress().toString() ); | 163 | qDebug( "Source = %s", (const char*) sourceAddress().toString() ); |
165 | qDebug( "Destination = %s", (const char*) destinationAddress().toString() ); | 164 | qDebug( "Destination = %s", (const char*) destinationAddress().toString() ); |
166 | 165 | ||
167 | if ( sourceAddress() == OMacAddress::broadcast ) | 166 | if ( sourceAddress() == OMacAddress::broadcast ) |
168 | qDebug( "Source is broadcast address" ); | 167 | qDebug( "Source is broadcast address" ); |
169 | if ( destinationAddress() == OMacAddress::broadcast ) | 168 | if ( destinationAddress() == OMacAddress::broadcast ) |
170 | qDebug( "Destination is broadcast address" ); | 169 | qDebug( "Destination is broadcast address" ); |
171 | 170 | ||
172 | switch ( type() ) | 171 | switch ( type() ) |
173 | { | 172 | { |
@@ -200,25 +199,24 @@ int OEthernetPacket::type() const | |||
200 | { | 199 | { |
201 | return ntohs( _ether->ether_type ); | 200 | return ntohs( _ether->ether_type ); |
202 | } | 201 | } |
203 | 202 | ||
204 | 203 | ||
205 | /*====================================================================================== | 204 | /*====================================================================================== |
206 | * OIPPacket | 205 | * OIPPacket |
207 | *======================================================================================*/ | 206 | *======================================================================================*/ |
208 | 207 | ||
209 | 208 | ||
210 | OIPPacket::OIPPacket( const unsigned char* end, const struct iphdr* data, QObject* parent ) | 209 | OIPPacket::OIPPacket( const unsigned char* end, const struct iphdr* data, QObject* parent ) |
211 | :QObject( parent, "IP" ), _iphdr( data ) | 210 | :QObject( parent, "IP" ), _iphdr( data ) |
212 | |||
213 | { | 211 | { |
214 | qDebug( "OIPPacket::OIPPacket(): decoding IP header..." ); | 212 | qDebug( "OIPPacket::OIPPacket(): decoding IP header..." ); |
215 | 213 | ||
216 | //qDebug( "FromAddress: %s", (const char*) inet_ntoa( *src ) ); | 214 | //qDebug( "FromAddress: %s", (const char*) inet_ntoa( *src ) ); |
217 | //qDebug( " ToAddress: %s", (const char*) inet_ntoa( *dst ) ); | 215 | //qDebug( " ToAddress: %s", (const char*) inet_ntoa( *dst ) ); |
218 | 216 | ||
219 | qDebug( "FromAddress: %s", (const char*) fromIPAddress().toString() ); | 217 | qDebug( "FromAddress: %s", (const char*) fromIPAddress().toString() ); |
220 | qDebug( " toAddress: %s", (const char*) toIPAddress().toString() ); | 218 | qDebug( " toAddress: %s", (const char*) toIPAddress().toString() ); |
221 | 219 | ||
222 | switch ( protocol() ) | 220 | switch ( protocol() ) |
223 | { | 221 | { |
224 | case IPPROTO_UDP: new OUDPPacket( end, (const struct udphdr*) (data+1), this ); break; | 222 | case IPPROTO_UDP: new OUDPPacket( end, (const struct udphdr*) (data+1), this ); break; |
@@ -278,24 +276,84 @@ int OIPPacket::ttl() const | |||
278 | int OIPPacket::protocol() const | 276 | int OIPPacket::protocol() const |
279 | { | 277 | { |
280 | return _iphdr->protocol; | 278 | return _iphdr->protocol; |
281 | } | 279 | } |
282 | 280 | ||
283 | 281 | ||
284 | int OIPPacket::checksum() const | 282 | int OIPPacket::checksum() const |
285 | { | 283 | { |
286 | return EXTRACT_16BITS( &_iphdr->check ); | 284 | return EXTRACT_16BITS( &_iphdr->check ); |
287 | } | 285 | } |
288 | 286 | ||
289 | /*====================================================================================== | 287 | /*====================================================================================== |
288 | * OARPPacket | ||
289 | *======================================================================================*/ | ||
290 | |||
291 | |||
292 | OARPPacket::OARPPacket( const unsigned char* end, const struct myarphdr* data, QObject* parent ) | ||
293 | :QObject( parent, "ARP" ), _arphdr( data ) | ||
294 | { | ||
295 | qDebug( "OARPPacket::OARPPacket(): decoding ARP header..." ); | ||
296 | qDebug( "ARP type seems to be %02d - '%s'", EXTRACT_16BITS( &_arphdr->ar_op ), (const char*) type() ); | ||
297 | qDebug( "Sender: MAC %s = IP %s", (const char*) senderMacAddress().toString(), (const char*) senderIPV4Address().toString() ); | ||
298 | qDebug( "Target: MAC %s = IP %s", (const char*) targetMacAddress().toString(), (const char*) targetIPV4Address().toString() ); | ||
299 | } | ||
300 | |||
301 | |||
302 | OARPPacket::~OARPPacket() | ||
303 | { | ||
304 | } | ||
305 | |||
306 | |||
307 | QString OARPPacket::type() const | ||
308 | { | ||
309 | switch ( EXTRACT_16BITS( &_arphdr->ar_op ) ) | ||
310 | { | ||
311 | case 1: return "REQUEST"; | ||
312 | case 2: return "REPLY"; | ||
313 | case 3: return "RREQUEST"; | ||
314 | case 4: return "RREPLY"; | ||
315 | case 8: return "InREQUEST"; | ||
316 | case 9: return "InREPLY"; | ||
317 | case 10: return "NAK"; | ||
318 | default: qWarning( "OARPPacket::type(): invalid ARP type!" ); return "<unknown>"; | ||
319 | } | ||
320 | } | ||
321 | |||
322 | |||
323 | QHostAddress OARPPacket::senderIPV4Address() const | ||
324 | { | ||
325 | return EXTRACT_32BITS( &_arphdr->ar_sip ); | ||
326 | } | ||
327 | |||
328 | |||
329 | QHostAddress OARPPacket::targetIPV4Address() const | ||
330 | { | ||
331 | return EXTRACT_32BITS( &_arphdr->ar_tip ); | ||
332 | } | ||
333 | |||
334 | |||
335 | OMacAddress OARPPacket::senderMacAddress() const | ||
336 | { | ||
337 | return OMacAddress( _arphdr->ar_sha ); | ||
338 | } | ||
339 | |||
340 | |||
341 | OMacAddress OARPPacket::targetMacAddress() const | ||
342 | { | ||
343 | return OMacAddress( _arphdr->ar_tha ); | ||
344 | } | ||
345 | |||
346 | |||
347 | /*====================================================================================== | ||
290 | * OUDPPacket | 348 | * OUDPPacket |
291 | *======================================================================================*/ | 349 | *======================================================================================*/ |
292 | 350 | ||
293 | 351 | ||
294 | OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent ) | 352 | OUDPPacket::OUDPPacket( const unsigned char* end, const struct udphdr* data, QObject* parent ) |
295 | :QObject( parent, "UDP" ), _udphdr( data ) | 353 | :QObject( parent, "UDP" ), _udphdr( data ) |
296 | 354 | ||
297 | { | 355 | { |
298 | qDebug( "OUDPPacket::OUDPPacket(): decoding UDP header..." ); | 356 | qDebug( "OUDPPacket::OUDPPacket(): decoding UDP header..." ); |
299 | } | 357 | } |
300 | 358 | ||
301 | OUDPPacket::~OUDPPacket() | 359 | OUDPPacket::~OUDPPacket() |
@@ -721,25 +779,26 @@ OWaveLanDataPacket::~OWaveLanDataPacket() | |||
721 | OLLCPacket::OLLCPacket( const unsigned char* end, const struct ieee_802_11_802_2_header* data, QObject* parent ) | 779 | OLLCPacket::OLLCPacket( const unsigned char* end, const struct ieee_802_11_802_2_header* data, QObject* parent ) |
722 | :QObject( parent, "802.11 LLC" ), _header( data ) | 780 | :QObject( parent, "802.11 LLC" ), _header( data ) |
723 | { | 781 | { |
724 | qDebug( "OLLCPacket::OLLCPacket(): decoding frame..." ); | 782 | qDebug( "OLLCPacket::OLLCPacket(): decoding frame..." ); |
725 | 783 | ||
726 | if ( !(_header->oui[0] || _header->oui[1] || _header->oui[2]) ) | 784 | if ( !(_header->oui[0] || _header->oui[1] || _header->oui[2]) ) |
727 | { | 785 | { |
728 | qDebug( "OLLCPacket::OLLCPacket(): contains an encapsulated Ethernet frame (type=%04X)", EXTRACT_16BITS( &_header->type ) ); | 786 | qDebug( "OLLCPacket::OLLCPacket(): contains an encapsulated Ethernet frame (type=%04X)", EXTRACT_16BITS( &_header->type ) ); |
729 | 787 | ||
730 | switch ( EXTRACT_16BITS( &_header->type ) ) // defined in linux/if_ether.h | 788 | switch ( EXTRACT_16BITS( &_header->type ) ) // defined in linux/if_ether.h |
731 | { | 789 | { |
732 | case ETH_P_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break; | 790 | case ETH_P_IP: new OIPPacket( end, (const struct iphdr*) (data+1), this ); break; |
733 | default: qDebug( "OLLCPacket::OLLCPacket(): Unknown Encapsulation Type" ); | 791 | case ETH_P_ARP: new OARPPacket( end, (const struct myarphdr*) (data+1), this ); break; |
792 | default: qWarning( "OLLCPacket::OLLCPacket(): Unknown Encapsulation (type=%04X)", EXTRACT_16BITS( &_header->type ) ); | ||
734 | } | 793 | } |
735 | 794 | ||
736 | } | 795 | } |
737 | } | 796 | } |
738 | 797 | ||
739 | 798 | ||
740 | OLLCPacket::~OLLCPacket() | 799 | OLLCPacket::~OLLCPacket() |
741 | { | 800 | { |
742 | } | 801 | } |
743 | 802 | ||
744 | 803 | ||
745 | /*====================================================================================== | 804 | /*====================================================================================== |