senf/Packets/DefaultBundle/IPv6Extensions.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 //
   6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
   7 // Version 1.0 (the "License"); you may not use this file except in compliance
   8 // with the License. You may obtain a copy of the License at
   9 // http://senf.berlios.de/license.html
  10 //
  11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
  12 // but modifies the Mozilla Public License Version 1.1.
  13 // See the full license text for the amendments.
  14 //
  15 // Software distributed under the License is distributed on an "AS IS" basis,
  16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  17 // for the specific language governing rights and limitations under the License.
  18 //
  19 // The Original Code is Fraunhofer FOKUS code.
  20 //
  21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
  22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
  23 // All Rights Reserved.
  24 //
  25 // Contributor(s):
  26 //   Stefan Bund <g0dil@berlios.de>
  27 //   Philipp Batroff <pug@berlios.de>
  28 /** \file
  29     \brief IPv6Extensions unit tests */
  30
  31 //#include "IPv6Extensions.test.hh"
  32 //#include "IPv6Extensions.test.ih"
  33
  34 // Custom includes
  35 #include "IPv6Extensions.hh"
  36 #include "IPv6Packet.hh"
  37 #include "UDPPacket.hh"
  38 #include "ICMPv6Packet.hh"
  39 #include "ICMPv6TypePacket.hh"
  40 #include "EthernetPacket.hh"
  41
  42 #include <senf/Utils/auto_unit_test.hh>
  43 #include <boost/test/test_tools.hpp>
  44
  45 #define prefix_
  46 //-/////////////////////////////////////////////////////////////////////////////////////////////////
  47
  48 SENF_AUTO_UNIT_TEST(ipv6Extensions_fragment)
  49 {
  50     // Just for the fun of it, we test a nice chain: A fragment of a fragmented UDP packet
  51     unsigned char Fragment_packetData[] = {
  52         // IP header
  53         0x60, 0x00, 0x00, 0x00,         // IP Version, class, flow label
  54         0, 20,                          // payload length
  55         44,                             // next header (IPv6 Fragment)
  56         32,                             // hop limit
  57         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // source ip = 2001::1
  58            0, 0, 0, 0, 0, 0, 0, 0x01,
  59         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // destination ip = 2001::2
  60            0, 0, 0, 0, 0, 0, 0, 0x02,
  61         // IPv6 Fragment header
  62         17,                             // next header (UDP)
  63         0,                              // reserved
  64         0x05, 0x00,                     // fragment offset, last fragment
  65         0x01, 0x02, 0x03, 0x04,         // id
  66         // UDP header
  67         0x10, 0x00,                     // source port
  68         0x20, 0x00,                     // destination port
  69         0, 12,                          // length
  70         0x00, 0x00,                     // CRC (no, I won't calculate this one ...)
  71         // Payload data
  72         0x11, 0x12, 0x13, 0x14
  73     };
  74
  75     senf::IPv6Packet pFragment_packet (senf::IPv6Packet::create(Fragment_packetData));
  76
  77     BOOST_CHECK_EQUAL( pFragment_packet->version(), 6u );
  78     BOOST_CHECK_EQUAL( pFragment_packet->length(), 20u );
  79     BOOST_CHECK_EQUAL( pFragment_packet->nextHeader(), 44u );
  80     BOOST_CHECK_EQUAL( pFragment_packet->source().value(),
  81             senf::INet6Address::from_string("2001::1") );
  82     BOOST_CHECK_EQUAL( pFragment_packet->destination().value(),
  83             senf::INet6Address::from_string("2001::2") );
  84
  85     std::ostringstream oss (std::ostringstream::out);
  86     SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
  87
  88     BOOST_CHECK( pFragment_packet.next().is<senf::IPv6FragmentPacket>() );
  89
  90     senf::IPv6FragmentPacket fFragment_packet (pFragment_packet.next().as<senf::IPv6FragmentPacket>());
  91
  92     BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
  93     BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
  94     BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
  95     BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
  96
  97     senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
  98
  99     BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
 100     BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
 101     BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
 102     BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
 103
 104     senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
 105     senf::PacketData::iterator i (uFragment_packet.next().data().begin());
 106     BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
 107     BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
 108 }
 109
 110
 111 SENF_AUTO_UNIT_TEST(ipv6Extensions_routing)
 112 {
 113     unsigned char Routing_packetData[] = {
 114         // IP header
 115         0x60, 0x30, 0x00, 0x00,
 116         0x00, 0x10,             // payload Length
 117         0x2b,                   // next Header   (43 = Routing Header)
 118         0xff,                   // Hop Limit
 119         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 120         0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, // Src Addr
 121         0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66,
 122         0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, // Dest. Addr
 123         // Routing Header
 124         0x3a,                   // nextHeader (58)
 125         0x00,                   // length ( 0 )
 126         0x00,                   // routing type ( 0 )
 127         0x00,                   // Left Segments ( 0 )
 128         0x00, 0x00, 0x00, 0x00, // reserved
 129         // ICMPv6
 130         0x01,                   // type: 1 (unreachable )
 131         0x00,                   // code: 0 (route unreachable)
 132         0xa3, 0xd3,             // checksum (incorrect in wireshark capture file, should be 0xa3c4)
 133         0x00, 0x00, 0x00, 0x00
 134     };
 135
 136     senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
 137
 138     BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
 139     BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
 140     BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
 141     BOOST_CHECK_EQUAL( pRouting_packet->source().value(),
 142             senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
 143     BOOST_CHECK_EQUAL( pRouting_packet->destination().value(),
 144             senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
 145
 146     std::ostringstream oss (std::ostringstream::out);
 147     SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
 148
 149     BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6RoutingPacket>() );
 150
 151     senf::IPv6RoutingPacket pRouting_extension (pRouting_packet.next().as<senf::IPv6RoutingPacket>());
 152
 153     BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
 154     BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
 155     BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
 156     BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
 157
 158     BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
 159
 160     BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
 161     senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
 162     BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
 163     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 164     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
 165 }
 166
 167
 168 SENF_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
 169 {
 170     unsigned char HopByHop_packetData[] = {
 171         0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
 172         0x00, 0x24,             // payload length
 173         0x00,                   // next header: IPv6 hop-by-hop option (0)
 174         0x01,                   // hop limit (1)
 175         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 176         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // IPv6 Source address
 177         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 178         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // IPv6 Destination address ff02::16
 179         // HopByHop option
 180         0x3a, // next Header (ICMPv6)
 181         0x00, // Length (0 = 8Bytes)
 182         // option Header
 183         0x05, // option type
 184         0x02, // option Length (= 2 byte)
 185         0x00, 0x00, //data (zero data here ...)
 186         0x02, //option type (2, set for testing purposes only)
 187         0x00,  //option Type length (=0, no data field needed here)
 188         // ICMPv6
 189         0x8f, // type 143
 190         0x00, // code 0, should always be 0
 191         0x50, 0xcc, // checksum
 192     };
 193
 194     senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
 195     BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
 196     BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
 197     BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
 198     BOOST_CHECK_EQUAL( pHop_packet->source().value(),
 199             senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
 200     BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
 201
 202     std::ostringstream oss (std::ostringstream::out);
 203     SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
 204
 205     BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6HopByHopOptionsPacket>() );
 206     senf::IPv6HopByHopOptionsPacket pHop_extension (pHop_packet.next().as<senf::IPv6HopByHopOptionsPacket>());
 207     BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
 208     BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
 209
 210     senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pHop_extension->options() );
 211     senf::IPv6HopByHopOptionsPacket::Parser::options_t::container::iterator listIter (optC.begin());
 212
 213     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 214     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 215     BOOST_CHECK_EQUAL( listIter->optionType(), 5u);
 216     BOOST_CHECK_EQUAL( listIter->length(), 2u);
 217     ++listIter;
 218     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 219     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 220     BOOST_CHECK_EQUAL( listIter->optionType(), 2u);
 221     BOOST_CHECK_EQUAL( listIter->length(), 0);
 222
 223     BOOST_REQUIRE( pHop_extension.next().is<senf::ICMPv6Packet>() );
 224     senf::ICMPv6Packet pICMPv6  (pHop_extension.next().as<senf::ICMPv6Packet>());
 225     BOOST_CHECK_EQUAL( pICMPv6->type(), 0x8f);
 226     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 227     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0x50cc);
 228 }
 229
 230
 231 SENF_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_create)
 232 {
 233     std::ostringstream oss (std::ostringstream::out);
 234     unsigned char HopByHop_packetData[] = {
 235         // Ethernet
 236         0x33 ,0x33 ,0x00 ,0x00 ,0x00 ,0x16 , // destination MAC
 237         0x00 ,0x19 ,0xb9 ,0xeb ,0xb2 ,0x26 , // source MAC
 238         0x86 ,0xdd,                          // type (IPv6)
 239         // IPv6
 240         0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
 241         0x00, 0x24,             // payload length
 242         0x00,                   // next header: IPv6 hop-by-hop option (0)
 243         0x01,                   // hop limit (1)
 244         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // IPv6 Source address
 245         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // (fe80::219:b9ff:feeb:b226)
 246         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // IPv6 Destination address
 247         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // (ff02::16)
 248         // HopByHop option
 249         0x3a, // next Header (ICMPv6)
 250         0x00, // Length (0 = 8Bytes)
 251         // option Header
 252         0x05, // option type
 253         0x02, // option Length (= 2 byte)
 254         0x00, 0x00, // data (zero data here ...)
 255         0x01, 0x00, // padding
 256         // ICMPv6
 257         0x8f, // type 143
 258         0x00, // code 0, should always be 0
 259         0x50 ,0xcc , // checksum
 260         // MLDv2
 261         0x00 ,0x00 , // reserved, zero by default
 262         0x00 ,0x01 , // nr of McAddressRecords
 263         0x04 ,       // recordType
 264         0x00 ,       // auxiliarydatalength
 265         0x00 ,0x00 , // number of sources
 266         0xff ,0x02 ,0x00 ,0x00, 0x00 ,0x00 ,0x00 ,0x00 ,  // ipv6McAddress ff02::1:ffeb:b226
 267         0x00 ,0x00 ,0x00 ,0x01 ,0xff ,0xeb ,0xb2 ,0x26
 268     };
 269     senf::EthernetPacket eth (senf::EthernetPacket::create() );
 270     eth->destination() = senf::MACAddress::from_string( "33:33:00:00:00:16" );
 271     eth->source() = senf::MACAddress::from_string( "00:19:b9:eb:b2:26" );
 272     eth->type_length() = 0x86dd;
 273
 274     senf::IPv6Packet ip (senf::IPv6Packet::createAfter(eth));
 275     ip->version() = 6u;
 276     ip->length() = 12u;
 277     ip->nextHeader() = 0u;
 278     ip->hopLimit() = 1u;
 279     ip->source() = senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226");
 280     ip->destination() = senf::INet6Address::from_string("ff02::16");
 281
 282     senf::IPv6HopByHopOptionsPacket pext (senf::IPv6HopByHopOptionsPacket::createAfter(ip) );
 283     pext->nextHeader() = 58u;
 284     {
 285         senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pext->options() );
 286         {
 287             senf::IPv6GenericOptionParser opt (
 288                     optC.push_back_space().init<senf::IPv6GenericOptionParser>());
 289             opt.altAction() = 0u;
 290             opt.changeFlag() = 0u;
 291             opt.optionType() = 5u;
 292             unsigned char val[] = {0x00, 0x00};
 293             opt.value(val);
 294         }
 295     }
 296
 297     senf::ICMPv6Packet icmp (senf::ICMPv6Packet::createAfter (pext));
 298     icmp->code() = 0u;
 299     senf::MLDv2ListenerReport mld ( senf::MLDv2ListenerReport::createAfter(icmp) );
 300     {
 301         senf::MLDv2ListenerReport::Parser::mcastAddrRecords_t::container c (mld->mcastAddrRecords() );
 302         c.push_back_space();
 303         c.back().recordType() = 4u;
 304         senf::INet6Address addr( senf::INet6Address::from_string("ff02::1:ffeb:b226") );
 305         c.back().mcAddress() = addr;
 306     }
 307     eth.finalizeAll();
 308     SENF_CHECK_NO_THROW( eth.dump(oss) );
 309     SENF_CHECK_EQUAL_COLLECTIONS(
 310             HopByHop_packetData, HopByHop_packetData+sizeof(HopByHop_packetData),
 311             eth.data().begin(), eth.data().end() );
 312 }
 313
 314
 315 namespace {
 316     struct IPv6ChecksumOptionParser : public senf::IPv6OptionParser
 317     {
 318     #   include SENF_PARSER()
 319         SENF_PARSER_INHERIT ( IPv6OptionParser );
 320         SENF_PARSER_FIELD ( extendedType, senf::UInt8Parser );
 321         SENF_PARSER_FIELD ( checksum,   senf::UInt32Parser  );
 322         SENF_PARSER_FINALIZE ( IPv6ChecksumOptionParser     );
 323
 324         SENF_PARSER_INIT() {
 325             optionType() = typeId;
 326             length() = 5u;
 327             extendedType() = extendedTypeId;
 328         }
 329
 330         static const boost::uint8_t typeId = 0x0d;
 331         static const boost::uint8_t extendedTypeId = 0x4d;
 332     };
 333 }
 334
 335 SENF_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_create_SN)
 336 {
 337     senf::IPv6HopByHopOptionsPacket p ( senf::IPv6HopByHopOptionsPacket::create() );
 338     p->nextHeader() = 0x3a;
 339     {
 340         senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC (p->options() );
 341         {
 342             IPv6ChecksumOptionParser opt (
 343                     optC.push_back_space().init<IPv6ChecksumOptionParser>());
 344             opt.checksum() = 0x01234567u;
 345         }
 346     }
 347
 348     unsigned char data[] = {
 349             0x3a, 0x01,  // Hop-By-Hop Header (nextHeader, length)
 350             0x0d, 0x05,  // option type, length
 351             // option value: extendedType, checksum
 352             0x4d, 0x01, 0x23, 0x45, 0x67,
 353             // padding (PadN option: type, length, 0-padding)
 354             0x01, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00
 355     };
 356     SENF_CHECK_EQUAL_COLLECTIONS( data, data+sizeof(data),
 357                                  p.data().begin(), p.data().end() );
 358 }
 359
 360
 361 SENF_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse_SN)
 362 {
 363     unsigned char data[] = {
 364             0x3a, 0x01,  // Hop-By-Hop Header (nextHeader, length)
 365             0x0d, 0x05,  // option type, length
 366             // option value: slfNetType, checksum
 367             0x4d, 0x01, 0x23, 0x45, 0x67,
 368             // padding (PadN option: type, length, 0-padding)
 369             0x01, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00
 370     };
 371
 372     senf::IPv6HopByHopOptionsPacket p ( senf::IPv6HopByHopOptionsPacket::create(data) );
 373     BOOST_CHECK_EQUAL( p->nextHeader(), 0x3a);
 374
 375     {
 376         typedef senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optContainer_t;
 377         optContainer_t optC (p->options() );
 378         optContainer_t::iterator listIter (optC.begin());
 379
 380         BOOST_CHECK_EQUAL( listIter->optionType(), 0x0d);
 381         BOOST_CHECK( listIter->is<IPv6ChecksumOptionParser>());
 382         IPv6ChecksumOptionParser opt ( listIter->as<IPv6ChecksumOptionParser>());
 383         BOOST_CHECK_EQUAL( opt.extendedType(), 0x4d);
 384         BOOST_CHECK_EQUAL( opt.checksum(), 0x01234567);
 385     }
 386
 387     std::ostringstream oss (std::ostringstream::out);
 388     SENF_CHECK_NO_THROW( p.dump( oss));
 389 }
 390
 391 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 392 #undef prefix_
 393
 394 \f
 395 // Local Variables:
 396 // mode: c++
 397 // fill-column: 100
 398 // c-file-style: "senf"
 399 // indent-tabs-mode: nil
 400 // ispell-local-dictionary: "american"
 401 // compile-command: "scons -u test"
 402 // comment-column: 40
 403 // End: