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_fragment)
  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(),
  75             senf::INet6Address::from_string("2001::1") );
  76     BOOST_CHECK_EQUAL( pFragment_packet->destination().value(),
  77             senf::INet6Address::from_string("2001::2") );
  78
  79     std::ostringstream oss (std::ostringstream::out);
  80     SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
  81
  82     BOOST_CHECK( pFragment_packet.next().is<senf::IPv6Extension_Fragment>() );
  83
  84     senf::IPv6Extension_Fragment fFragment_packet (pFragment_packet.next().as<senf::IPv6Extension_Fragment>());
  85
  86     BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
  87     BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
  88     BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
  89     BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
  90
  91     senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
  92
  93     BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
  94     BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
  95     BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
  96     BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
  97
  98     senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
  99     senf::PacketData::iterator i (uFragment_packet.next().data().begin());
 100     BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
 101     BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
 102 }
 103
 104
 105 BOOST_AUTO_UNIT_TEST(ipv6Extensions_routing)
 106 {
 107     unsigned char Routing_packetData[] = {
 108         // IP header
 109         0x60, 0x30, 0x00, 0x00,
 110         0x00, 0x10,             // payload Length
 111         0x2b,                   // next Header   (43 = Routing Header)
 112         0xff,                   // Hop Limit
 113         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 114         0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, // Src Addr
 115         0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66,
 116         0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, // Dest. Addr
 117         // Routing Header
 118         0x3a,                   // nextHeader (58)
 119         0x00,                   // length ( 0 )
 120         0x00,                   // routing type ( 0 )
 121         0x00,                   // Left Segments ( 0 )
 122         0x00, 0x00, 0x00, 0x00, // reserved
 123         // ICMPv6
 124         0x01,                   // type: 1 (unreachable )
 125         0x00,                   // code: 0 (route unreachable)
 126         0xa3, 0xd3,             // checksum (incorrect in wireshark capture file, should be 0xa3c4)
 127         0x00, 0x00, 0x00, 0x00
 128     };
 129
 130     senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
 131
 132     BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
 133     BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
 134     BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
 135     BOOST_CHECK_EQUAL( pRouting_packet->source().value(),
 136             senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
 137     BOOST_CHECK_EQUAL( pRouting_packet->destination().value(),
 138             senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
 139
 140     std::ostringstream oss (std::ostringstream::out);
 141     SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
 142
 143     BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6Extension_Routing>() );
 144
 145     senf::IPv6Extension_Routing pRouting_extension (pRouting_packet.next().as<senf::IPv6Extension_Routing>());
 146
 147     BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
 148     BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
 149     BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
 150     BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
 151
 152     BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
 153
 154     BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
 155     senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
 156     BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
 157     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 158     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
 159 }
 160
 161
 162 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
 163 {
 164     unsigned char HopByHop_packetData[] = {
 165         0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
 166         0x00, 0x24,             // payload length
 167         0x00,                   // next header: IPv6 hop-by-hop option (0)
 168         0x01,                   // hop limit (1)
 169         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 170         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // IPv6 Source address
 171         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 172         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // IPv6 Destination address ff02::16
 173         // HopByHop option
 174         0x3a, // next Header (ICMPv6)
 175         0x00, // Length (0 = 8Bytes)
 176         // option Header
 177         0x05, // option type
 178         0x02, // option Length (= 2 byte)
 179         0x00, 0x00, //data (zero data here ...)
 180         0x02, //option type (2, set for testing purposes only)
 181         0x00,  //option Type length (=0, no data field needed here)
 182         // ICMPv6
 183         0x8f, // type 143
 184         0x00, // code 0, should always be 0
 185         0x50, 0xcc, // checksum
 186     };
 187
 188     senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
 189     BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
 190     BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
 191     BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
 192     BOOST_CHECK_EQUAL( pHop_packet->source().value(),
 193             senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
 194     BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
 195
 196     std::ostringstream oss (std::ostringstream::out);
 197     SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
 198
 199     BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6Extension_HopByHop>() );
 200     senf::IPv6Extension_HopByHop pHop_extension (pHop_packet.next().as<senf::IPv6Extension_HopByHop>());
 201     BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
 202     BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
 203
 204     senf::IPv6Extension_HopByHop::Parser::options_t::container optC(pHop_extension->options() );
 205     senf::IPv6Extension_HopByHop::Parser::options_t::container::iterator listIter (optC.begin());
 206
 207     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 208     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 209     BOOST_CHECK_EQUAL( listIter->optionType(), 5u);
 210     BOOST_CHECK_EQUAL( listIter->optionLength(), 2u);
 211     ++listIter;
 212     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 213     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 214     BOOST_CHECK_EQUAL( listIter->optionType(), 2u);
 215     BOOST_CHECK_EQUAL( listIter->optionLength(), 0);
 216
 217     BOOST_REQUIRE( pHop_extension.next().is<senf::ICMPv6Packet>() );
 218     senf::ICMPv6Packet pICMPv6  (pHop_extension.next().as<senf::ICMPv6Packet>());
 219     BOOST_CHECK_EQUAL( pICMPv6->type(), 0x8f);
 220     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 221     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0x50cc);
 222 }
 223
 224
 225 ///////////////////////////////cc.e////////////////////////////////////////
 226 #undef prefix_
 227
 228
 229 // Local Variables:
 230 // mode: c++
 231 // fill-column: 100
 232 // c-file-style: "senf"
 233 // indent-tabs-mode: nil
 234 // ispell-local-dictionary: "american"
 235 // compile-command: "scons -u test"
 236 // comment-column: 40
 237 // End: