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
  35 #include <senf/Utils/auto_unit_test.hh>
  36 #include <boost/test/test_tools.hpp>
  37
  38 #define prefix_
  39 ///////////////////////////////cc.p////////////////////////////////////////
  40
  41 BOOST_AUTO_UNIT_TEST(ipv6Extensions)
  42 {
  43     // Just for the fun of it, we test a nice chain: A fragment of a fragmented UDP packet
  44
  45     unsigned char Fragment_packetData[] = {
  46         // IP header
  47         0x60, 0x00, 0x00, 0x00,         // IP Version, class, flow label
  48         0, 20,                          // payload length
  49         44,                             // next header (IPv6 Fragment)
  50         32,                             // hop limit
  51         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // source ip = 2001::1
  52            0, 0, 0, 0, 0, 0, 0, 0x01,
  53         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // destination ip = 2001::2
  54            0, 0, 0, 0, 0, 0, 0, 0x02,
  55         // IPv6 Fragment header
  56         17,                             // next header (UDP)
  57         0,                              // reserved
  58         0x05, 0x00,                     // fragment offset, last fragment
  59         0x01, 0x02, 0x03, 0x04,         // id
  60         // UDP header
  61         0x10, 0x00,                     // source port
  62         0x20, 0x00,                     // destination port
  63         0, 12,                          // length
  64         0x00, 0x00,                     // CRC (no, I won't calculate this one ...)
  65         // Payload data
  66         0x11, 0x12, 0x13, 0x14
  67     };
  68
  69     senf::IPv6Packet pFragment_packet (senf::IPv6Packet::create(Fragment_packetData));
  70
  71     BOOST_CHECK_EQUAL( pFragment_packet->version(), 6u );
  72     BOOST_CHECK_EQUAL( pFragment_packet->length(), 20u );
  73     BOOST_CHECK_EQUAL( pFragment_packet->nextHeader(), 44u );
  74     BOOST_CHECK_EQUAL( pFragment_packet->source().value(), senf::INet6Address::from_string("2001::1") );
  75     BOOST_CHECK_EQUAL( pFragment_packet->destination().value(), senf::INet6Address::from_string("2001::2") );
  76
  77     std::ostringstream oss (std::ostringstream::out);
  78     SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
  79
  80     BOOST_CHECK( pFragment_packet.next().is<senf::IPv6Extension_Fragment>() );
  81
  82     senf::IPv6Extension_Fragment fFragment_packet (pFragment_packet.next().as<senf::IPv6Extension_Fragment>());
  83
  84     BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
  85     BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
  86     BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
  87     BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
  88
  89     senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
  90
  91     BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
  92     BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
  93     BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
  94     BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
  95
  96     senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
  97     senf::PacketData::iterator i (uFragment_packet.next().data().begin());
  98     BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
  99     BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
 100
 101     //==============================================================================================
 102
 103     unsigned char Routing_packetData[] = {
 104         // IP header
 105         0x60, 0x30, 0x00, 0x00,
 106         0x00, 0x10,             //payload Length
 107         0x2b,                   //next Header   (43 = Routing Header)
 108         0xff,                   //Hop Limit
 109         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, //Src Addr
 110         0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66, 0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, //Dest. Addr
 111         //Routing Header
 112         0x3a,                   //nextHeader (58)
 113         0x00,                   //Length ( 0 )
 114         0x00,                   //routing type ( 0 )
 115         0x00,                   //Left Segments ( 0 )
 116         0x00, 0x00, 0x00, 0x00, //reserved
 117         //ICMPv6
 118         0x01,                   //type: 1 (unreachable )
 119         0x00,                   //code: 0 (route unreachable)
 120         0xa3, 0xd3,             //checksum (incorrect in wireshark capture file, should be 0xa3c4)
 121         0x00, 0x00, 0x00, 0x00
 122     };
 123
 124     senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
 125
 126     BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
 127     BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
 128     BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
 129     BOOST_CHECK_EQUAL( pRouting_packet->source().value(), senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
 130     BOOST_CHECK_EQUAL( pRouting_packet->destination().value(), senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
 131     SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
 132
 133     BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6Extension_Routing>() );
 134
 135     senf::IPv6Extension_Routing pRouting_extension (pRouting_packet.next().as<senf::IPv6Extension_Routing>());
 136
 137     BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
 138     BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
 139     BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
 140     BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
 141
 142     BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
 143
 144     BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
 145     senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
 146     BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
 147     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 148     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
 149 }
 150     //==============================================================================================
 151
 152 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
 153 {
 154     unsigned char HopByHop_packetData[] = {
 155         0x60, 0x00, 0x00, 0x00, //IP version, class, flow label
 156         0x00, 0x24,           //payload length
 157         0x00,                 //next header: IPv6 hop-by-hop option (0)
 158         0x01,                 //hop limit (1)
 159         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Source address (fe80::219:b9ff:feeb:b226)
 160         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26,
 161
 162         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Destination address ff02::16
 163         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16,
 164         //HopByHop option
 165         0x3a,   //next Header (ICMPv6)
 166         0x00,   //Length (0 = 8Bytes)
 167
 168         //option Header
 169         0x05, //option type
 170         0x02, //option Length (= 2 byte)
 171         0x00, 0x00, //data (zero data here ...)
 172
 173         0x02, //option type (2, set for testing purposes only)
 174         0x00,  //option Type length (=0, no data field needed here)
 175
 176         //ICMPv6
 177         0x8f, //type 143
 178         0x00, //code 0, should always be 0
 179         0x50, 0xcc, //checksum
 180     };
 181
 182     std::ostringstream oss (std::ostringstream::out);
 183
 184     senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
 185     BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
 186     BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
 187     BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
 188     BOOST_CHECK_EQUAL( pHop_packet->source().value(), senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
 189     BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
 190
 191     SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
 192     BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6Extension_HopByHop>() );
 193
 194     //hopByHop extension header
 195     senf::IPv6Extension_HopByHop pHop_extension (pHop_packet.next().as<senf::IPv6Extension_HopByHop>());
 196     BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
 197     BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
 198
 199     SENF_CHECK_NO_THROW( pHop_extension.dump( oss ));
 200     pHop_extension.dump(oss);
 201     senf::IPv6Extension_HopByHop::Parser::options_t::container optC(pHop_extension->options() );
 202     senf::IPv6Extension_HopByHop::Parser::options_t::container::iterator listIter (optC.begin());
 203
 204     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 205     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 206     BOOST_CHECK_EQUAL( listIter->optionType(), 5u);
 207     BOOST_CHECK_EQUAL( listIter->optionLength(), 2u);
 208     ++listIter;
 209     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 210     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 211     BOOST_CHECK_EQUAL( listIter->optionType(), 2u);
 212     BOOST_CHECK_EQUAL( listIter->optionLength(), 0);
 213     pHop_extension.dump(oss);
 214
 215     BOOST_REQUIRE( pHop_extension.next().is<senf::ICMPv6Packet>() );
 216     senf::ICMPv6Packet pICMPv6  (pHop_extension.next().as<senf::ICMPv6Packet>());
 217     BOOST_CHECK_EQUAL( pICMPv6->type(), 0x8f);
 218     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 219     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0x50cc);
 220 }
 221
 222
 223 ///////////////////////////////cc.e////////////////////////////////////////
 224 #undef prefix_
 225
 226
 227 // Local Variables:
 228 // mode: c++
 229 // fill-column: 100
 230 // c-file-style: "senf"
 231 // indent-tabs-mode: nil
 232 // ispell-local-dictionary: "american"
 233 // compile-command: "scons -u test"
 234 // comment-column: 40
 235 // End: