senf/Packets/DefaultBundle/IPv6Extensions.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //     Philipp Batroff <philipp.batroff@fokus.fraunhofer.de>
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief IPv6Extensions unit tests */
  25
  26 //#include "IPv6Extensions.test.hh"
  27 //#include "IPv6Extensions.test.ih"
  28
  29 // Custom includes
  30 #include "IPv6Extensions.hh"
  31 #include "IPv6Packet.hh"
  32 #include "UDPPacket.hh"
  33 #include "ICMPv6Packet.hh"
  34 #include "ICMPv6TypePacket.hh"
  35 #include "EthernetPacket.hh"
  36 #include <senf/Utils/hexdump.hh>
  37
  38 #include <senf/Utils/auto_unit_test.hh>
  39 #include <boost/test/test_tools.hpp>
  40
  41 #define prefix_
  42 ///////////////////////////////cc.p////////////////////////////////////////
  43
  44 BOOST_AUTO_UNIT_TEST(ipv6Extensions_fragment)
  45 {
  46     // Just for the fun of it, we test a nice chain: A fragment of a fragmented UDP packet
  47
  48     unsigned char Fragment_packetData[] = {
  49         // IP header
  50         0x60, 0x00, 0x00, 0x00,         // IP Version, class, flow label
  51         0, 20,                          // payload length
  52         44,                             // next header (IPv6 Fragment)
  53         32,                             // hop limit
  54         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // source ip = 2001::1
  55            0, 0, 0, 0, 0, 0, 0, 0x01,
  56         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // destination ip = 2001::2
  57            0, 0, 0, 0, 0, 0, 0, 0x02,
  58         // IPv6 Fragment header
  59         17,                             // next header (UDP)
  60         0,                              // reserved
  61         0x05, 0x00,                     // fragment offset, last fragment
  62         0x01, 0x02, 0x03, 0x04,         // id
  63         // UDP header
  64         0x10, 0x00,                     // source port
  65         0x20, 0x00,                     // destination port
  66         0, 12,                          // length
  67         0x00, 0x00,                     // CRC (no, I won't calculate this one ...)
  68         // Payload data
  69         0x11, 0x12, 0x13, 0x14
  70     };
  71
  72     senf::IPv6Packet pFragment_packet (senf::IPv6Packet::create(Fragment_packetData));
  73
  74     BOOST_CHECK_EQUAL( pFragment_packet->version(), 6u );
  75     BOOST_CHECK_EQUAL( pFragment_packet->length(), 20u );
  76     BOOST_CHECK_EQUAL( pFragment_packet->nextHeader(), 44u );
  77     BOOST_CHECK_EQUAL( pFragment_packet->source().value(),
  78             senf::INet6Address::from_string("2001::1") );
  79     BOOST_CHECK_EQUAL( pFragment_packet->destination().value(),
  80             senf::INet6Address::from_string("2001::2") );
  81
  82     std::ostringstream oss (std::ostringstream::out);
  83     SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
  84
  85     BOOST_CHECK( pFragment_packet.next().is<senf::IPv6FragmentPacket>() );
  86
  87     senf::IPv6FragmentPacket fFragment_packet (pFragment_packet.next().as<senf::IPv6FragmentPacket>());
  88
  89     BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
  90     BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
  91     BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
  92     BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
  93
  94     senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
  95
  96     BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
  97     BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
  98     BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
  99     BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
 100
 101     senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
 102     senf::PacketData::iterator i (uFragment_packet.next().data().begin());
 103     BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
 104     BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
 105 }
 106
 107
 108 BOOST_AUTO_UNIT_TEST(ipv6Extensions_routing)
 109 {
 110     unsigned char Routing_packetData[] = {
 111         // IP header
 112         0x60, 0x30, 0x00, 0x00,
 113         0x00, 0x10,             // payload Length
 114         0x2b,                   // next Header   (43 = Routing Header)
 115         0xff,                   // Hop Limit
 116         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 117         0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, // Src Addr
 118         0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66,
 119         0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, // Dest. Addr
 120         // Routing Header
 121         0x3a,                   // nextHeader (58)
 122         0x00,                   // length ( 0 )
 123         0x00,                   // routing type ( 0 )
 124         0x00,                   // Left Segments ( 0 )
 125         0x00, 0x00, 0x00, 0x00, // reserved
 126         // ICMPv6
 127         0x01,                   // type: 1 (unreachable )
 128         0x00,                   // code: 0 (route unreachable)
 129         0xa3, 0xd3,             // checksum (incorrect in wireshark capture file, should be 0xa3c4)
 130         0x00, 0x00, 0x00, 0x00
 131     };
 132
 133     senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
 134
 135     BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
 136     BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
 137     BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
 138     BOOST_CHECK_EQUAL( pRouting_packet->source().value(),
 139             senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
 140     BOOST_CHECK_EQUAL( pRouting_packet->destination().value(),
 141             senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
 142
 143     std::ostringstream oss (std::ostringstream::out);
 144     SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
 145
 146     BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6RoutingPacket>() );
 147
 148     senf::IPv6RoutingPacket pRouting_extension (pRouting_packet.next().as<senf::IPv6RoutingPacket>());
 149
 150     BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
 151     BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
 152     BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
 153     BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
 154
 155     BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
 156
 157     BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
 158     senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
 159     BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
 160     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 161     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
 162 }
 163
 164
 165 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
 166 {
 167     unsigned char HopByHop_packetData[] = {
 168         0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
 169         0x00, 0x24,             // payload length
 170         0x00,                   // next header: IPv6 hop-by-hop option (0)
 171         0x01,                   // hop limit (1)
 172         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 173         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // IPv6 Source address
 174         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 175         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // IPv6 Destination address ff02::16
 176         // HopByHop option
 177         0x3a, // next Header (ICMPv6)
 178         0x00, // Length (0 = 8Bytes)
 179         // option Header
 180         0x05, // option type
 181         0x02, // option Length (= 2 byte)
 182         0x00, 0x00, //data (zero data here ...)
 183         0x02, //option type (2, set for testing purposes only)
 184         0x00,  //option Type length (=0, no data field needed here)
 185         // ICMPv6
 186         0x8f, // type 143
 187         0x00, // code 0, should always be 0
 188         0x50, 0xcc, // checksum
 189     };
 190
 191     senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
 192     BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
 193     BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
 194     BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
 195     BOOST_CHECK_EQUAL( pHop_packet->source().value(),
 196             senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
 197     BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
 198
 199     std::ostringstream oss (std::ostringstream::out);
 200     SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
 201
 202     BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6HopByHopOptionsPacket>() );
 203     senf::IPv6HopByHopOptionsPacket pHop_extension (pHop_packet.next().as<senf::IPv6HopByHopOptionsPacket>());
 204     BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
 205     BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
 206
 207     senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pHop_extension->options() );
 208     senf::IPv6HopByHopOptionsPacket::Parser::options_t::container::iterator listIter (optC.begin());
 209
 210     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 211     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 212     BOOST_CHECK_EQUAL( listIter->optionType(), 5u);
 213     BOOST_CHECK_EQUAL( listIter->optionLength(), 2u);
 214     ++listIter;
 215     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 216     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 217     BOOST_CHECK_EQUAL( listIter->optionType(), 2u);
 218     BOOST_CHECK_EQUAL( listIter->optionLength(), 0);
 219
 220     BOOST_REQUIRE( pHop_extension.next().is<senf::ICMPv6Packet>() );
 221     senf::ICMPv6Packet pICMPv6  (pHop_extension.next().as<senf::ICMPv6Packet>());
 222     BOOST_CHECK_EQUAL( pICMPv6->type(), 0x8f);
 223     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 224     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0x50cc);
 225 }
 226
 227 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_create)
 228 {
 229     try{
 230     std::ostringstream oss (std::ostringstream::out);
 231     unsigned char HopByHop_packetData[] = {
 232         //Ethernet
 233         0x33 ,0x33 ,0x00 ,0x00 ,0x00 ,0x16 ,    //destination MAC
 234         0x00 ,0x19 ,0xb9 ,0xeb ,0xb2 ,0x26 ,    //source MAC
 235         0x86 ,0xdd,                             //type (IPv6)
 236         //IPv6
 237         0x60, 0x00, 0x00, 0x00, //IP version, class, flow label
 238         0x00, 0x24,           //payload length
 239         0x00,                 //next header: IPv6 hop-by-hop option (0)
 240         0x01,                 //hop limit (1)
 241         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Source address (fe80::219:b9ff:feeb:b226)
 242         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26,
 243
 244         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Destination address ff02::16
 245         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16,
 246         //HopByHop option
 247         0x3a,   //next Header (ICMPv6)
 248         0x00,   //Length (0 = 8Bytes)
 249
 250         //option Header
 251         0x05, //option type
 252         0x02, //option Length (= 2 byte)
 253         0x00, 0x00, //data (zero data here ...)
 254         0x01, 0x00, //padding
 255         //ICMPv6
 256         0x8f, //type 143
 257         0x00, //code 0, should always be 0
 258         0x50 ,0xcc , //checksum
 259
 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     pext->headerLength() = 0u;
 285     {
 286         senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pext->options() );
 287         {
 288             senf::IPv6GenericOptionTLVParser opt ( optC.push_back_space().init<senf::IPv6GenericOptionTLVParser>());
 289             opt.altAction() = 0u;
 290             opt.changeFlag() = 0u;
 291             opt.optionType() = 5u;
 292             unsigned char val[] = {0x00, 0x00};
 293             opt.setPayload(val);
 294         }
 295     }
 296
 297     senf::ICMPv6Packet icmp (senf::ICMPv6Packet::createAfter (pext));
 298     icmp->type() = 0x8f;
 299     icmp->code() = 0u;
 300     icmp->checksum() = 0u;
 301     senf::MLDv2ListenerReport mld ( senf::MLDv2ListenerReport::createAfter(icmp) );
 302     {
 303         senf::MLDv2ListenerReport::Parser::mcastAddrRecords_t::container c (mld->mcastAddrRecords() );
 304         c.push_back_space();
 305         c.back().recordType() = 4u;
 306         senf::INet6Address addr( senf::INet6Address::from_string("ff02::1:ffeb:b226") );
 307         c.back().mcAddress() = addr;
 308     }
 309     eth.finalizeAll();
 310     SENF_CHECK_NO_THROW( ip.dump(oss) );
 311     SENF_CHECK_EQUAL_COLLECTIONS(
 312             HopByHop_packetData, HopByHop_packetData+sizeof(HopByHop_packetData),
 313             eth.data().begin(), eth.data().end() );
 314     eth.dump(std::cout);
 315     senf::hexdump(eth.data().begin(), eth.data().end(), std::cout);
 316     std::cout << "\n\n" << std::endl;
 317     senf::hexdump(boost::begin(HopByHop_packetData), boost::end(HopByHop_packetData), std::cout);
 318     }
 319     catch (std::exception & e)
 320     {
 321         std::cerr << e.what() << std::endl; throw;
 322     }
 323 }
 324
 325 ///////////////////////////////cc.e////////////////////////////////////////
 326 #undef prefix_
 327
 328
 329 // Local Variables:
 330 // mode: c++
 331 // fill-column: 100
 332 // c-file-style: "senf"
 333 // indent-tabs-mode: nil
 334 // ispell-local-dictionary: "american"
 335 // compile-command: "scons -u test"
 336 // comment-column: 40
 337 // End: