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 <senf/Utils/hexdump.hh>
  35
  36 #include <senf/Utils/auto_unit_test.hh>
  37 #include <boost/test/test_tools.hpp>
  38
  39 #define prefix_
  40 ///////////////////////////////cc.p////////////////////////////////////////
  41
  42 BOOST_AUTO_UNIT_TEST(ipv6Extensions_fragment)
  43 {
  44     // Just for the fun of it, we test a nice chain: A fragment of a fragmented UDP packet
  45
  46     unsigned char Fragment_packetData[] = {
  47         // IP header
  48         0x60, 0x00, 0x00, 0x00,         // IP Version, class, flow label
  49         0, 20,                          // payload length
  50         44,                             // next header (IPv6 Fragment)
  51         32,                             // hop limit
  52         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // source ip = 2001::1
  53            0, 0, 0, 0, 0, 0, 0, 0x01,
  54         0x20, 0x01, 0, 0, 0, 0, 0, 0,   // destination ip = 2001::2
  55            0, 0, 0, 0, 0, 0, 0, 0x02,
  56         // IPv6 Fragment header
  57         17,                             // next header (UDP)
  58         0,                              // reserved
  59         0x05, 0x00,                     // fragment offset, last fragment
  60         0x01, 0x02, 0x03, 0x04,         // id
  61         // UDP header
  62         0x10, 0x00,                     // source port
  63         0x20, 0x00,                     // destination port
  64         0, 12,                          // length
  65         0x00, 0x00,                     // CRC (no, I won't calculate this one ...)
  66         // Payload data
  67         0x11, 0x12, 0x13, 0x14
  68     };
  69
  70     senf::IPv6Packet pFragment_packet (senf::IPv6Packet::create(Fragment_packetData));
  71
  72     BOOST_CHECK_EQUAL( pFragment_packet->version(), 6u );
  73     BOOST_CHECK_EQUAL( pFragment_packet->length(), 20u );
  74     BOOST_CHECK_EQUAL( pFragment_packet->nextHeader(), 44u );
  75     BOOST_CHECK_EQUAL( pFragment_packet->source().value(),
  76             senf::INet6Address::from_string("2001::1") );
  77     BOOST_CHECK_EQUAL( pFragment_packet->destination().value(),
  78             senf::INet6Address::from_string("2001::2") );
  79
  80     std::ostringstream oss (std::ostringstream::out);
  81     SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
  82
  83     BOOST_CHECK( pFragment_packet.next().is<senf::IPv6Fragment>() );
  84
  85     senf::IPv6Fragment fFragment_packet (pFragment_packet.next().as<senf::IPv6Fragment>());
  86
  87     BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
  88     BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
  89     BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
  90     BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
  91
  92     senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
  93
  94     BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
  95     BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
  96     BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
  97     BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
  98
  99     senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
 100     senf::PacketData::iterator i (uFragment_packet.next().data().begin());
 101     BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
 102     BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
 103 }
 104
 105
 106 BOOST_AUTO_UNIT_TEST(ipv6Extensions_routing)
 107 {
 108     unsigned char Routing_packetData[] = {
 109         // IP header
 110         0x60, 0x30, 0x00, 0x00,
 111         0x00, 0x10,             // payload Length
 112         0x2b,                   // next Header   (43 = Routing Header)
 113         0xff,                   // Hop Limit
 114         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 115         0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, // Src Addr
 116         0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66,
 117         0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, // Dest. Addr
 118         // Routing Header
 119         0x3a,                   // nextHeader (58)
 120         0x00,                   // length ( 0 )
 121         0x00,                   // routing type ( 0 )
 122         0x00,                   // Left Segments ( 0 )
 123         0x00, 0x00, 0x00, 0x00, // reserved
 124         // ICMPv6
 125         0x01,                   // type: 1 (unreachable )
 126         0x00,                   // code: 0 (route unreachable)
 127         0xa3, 0xd3,             // checksum (incorrect in wireshark capture file, should be 0xa3c4)
 128         0x00, 0x00, 0x00, 0x00
 129     };
 130
 131     senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
 132
 133     BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
 134     BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
 135     BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
 136     BOOST_CHECK_EQUAL( pRouting_packet->source().value(),
 137             senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
 138     BOOST_CHECK_EQUAL( pRouting_packet->destination().value(),
 139             senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
 140
 141     std::ostringstream oss (std::ostringstream::out);
 142     SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
 143
 144     BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6Routing>() );
 145
 146     senf::IPv6Routing pRouting_extension (pRouting_packet.next().as<senf::IPv6Routing>());
 147
 148     BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
 149     BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
 150     BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
 151     BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
 152
 153     BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
 154
 155     BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
 156     senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
 157     BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
 158     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 159     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
 160 }
 161
 162
 163 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
 164 {
 165     unsigned char HopByHop_packetData[] = {
 166         0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
 167         0x00, 0x24,             // payload length
 168         0x00,                   // next header: IPv6 hop-by-hop option (0)
 169         0x01,                   // hop limit (1)
 170         0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 171         0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // IPv6 Source address
 172         0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 173         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // IPv6 Destination address ff02::16
 174         // HopByHop option
 175         0x3a, // next Header (ICMPv6)
 176         0x00, // Length (0 = 8Bytes)
 177         // option Header
 178         0x05, // option type
 179         0x02, // option Length (= 2 byte)
 180         0x00, 0x00, //data (zero data here ...)
 181         0x02, //option type (2, set for testing purposes only)
 182         0x00,  //option Type length (=0, no data field needed here)
 183         // ICMPv6
 184         0x8f, // type 143
 185         0x00, // code 0, should always be 0
 186         0x50, 0xcc, // checksum
 187     };
 188
 189     senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
 190     BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
 191     BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
 192     BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
 193     BOOST_CHECK_EQUAL( pHop_packet->source().value(),
 194             senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
 195     BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
 196
 197     std::ostringstream oss (std::ostringstream::out);
 198     SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
 199
 200     BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6HopByHop>() );
 201     senf::IPv6HopByHop pHop_extension (pHop_packet.next().as<senf::IPv6HopByHop>());
 202     BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
 203     BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
 204
 205     senf::IPv6HopByHop::Parser::options_t::container optC(pHop_extension->options() );
 206     senf::IPv6HopByHop::Parser::options_t::container::iterator listIter (optC.begin());
 207
 208     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 209     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 210     BOOST_CHECK_EQUAL( listIter->optionType(), 5u);
 211     BOOST_CHECK_EQUAL( listIter->optionLength(), 2u);
 212     ++listIter;
 213     BOOST_CHECK_EQUAL( listIter->altAction(), 0u);
 214     BOOST_CHECK_EQUAL( listIter->changeFlag(), 0u);
 215     BOOST_CHECK_EQUAL( listIter->optionType(), 2u);
 216     BOOST_CHECK_EQUAL( listIter->optionLength(), 0);
 217
 218     BOOST_REQUIRE( pHop_extension.next().is<senf::ICMPv6Packet>() );
 219     senf::ICMPv6Packet pICMPv6  (pHop_extension.next().as<senf::ICMPv6Packet>());
 220     BOOST_CHECK_EQUAL( pICMPv6->type(), 0x8f);
 221     BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
 222     BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0x50cc);
 223 }
 224
 225 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_create)
 226 {
 227     std::ostringstream oss (std::ostringstream::out);
 228     unsigned char HopByHop_packetData[] = {
 229             0x60, 0x00, 0x00, 0x00, //IP version, class, flow label
 230             0x00, 0x0c,           //payload length
 231             0x00,                 //next header: IPv6 hop-by-hop option (0)
 232             0x01,                 //hop limit (1)
 233             0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Source address (fe80::219:b9ff:feeb:b226)
 234             0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26,
 235
 236             0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     //IPv6 Destination address ff02::16
 237             0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16,
 238             //HopByHop option
 239             0x3a,   //next Header (ICMPv6)
 240             0x00,   //Length (0 = 8Bytes)
 241
 242             //option Header
 243             0x05, //option type
 244             0x02, //option Length (= 2 byte)
 245             0x00, 0x00, //data (zero data here ...)
 246
 247             0x02, //option type (2, set for testing purposes only)
 248             0x00,  //option Type length (=0, no data field needed here)
 249
 250             //ICMPv6
 251             0x8f, //type 143
 252             0x00, //code 0, should always be 0
 253             0xca, 0xdf, //checksum
 254     };
 255     senf::IPv6Packet ip (senf::IPv6Packet::create());
 256     ip->version() = 6u;
 257     ip->length() = 12u;
 258     ip->nextHeader() = 0u;
 259     ip->hopLimit() = 1u;
 260     ip->source() = senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226");
 261     ip->destination() = senf::INet6Address::from_string("ff02::16");
 262     senf::IPv6HopByHop pext (senf::IPv6HopByHop::createAfter(ip) );
 263     pext->nextHeader() = 58u;
 264     pext->headerLength() = 0u;
 265     {
 266         senf::IPv6HopByHop::Parser::options_t::container optC(pext->options() );
 267
 268         optC.push_back_space();
 269         senf::GenericOptTypeTLVParser opt = optC.back().init<senf::GenericOptTypeTLVParser>();
 270         opt.altAction() = 0u;
 271         opt.changeFlag() = 0u;
 272         opt.optionType() = 5u;
 273         unsigned char val[] = {0x00, 0x00};
 274         opt.setPayload(val);
 275
 276         optC.push_back_space();
 277         opt = optC.back().init<senf::GenericOptTypeTLVParser>();
 278         opt.altAction() = 0u;
 279         opt.changeFlag() = 0u;
 280         opt.optionType() = 2u;
 281     }
 282     senf::ICMPv6Packet icmp (senf::ICMPv6Packet::createAfter (pext));
 283     icmp->type() = 0x8f;
 284     icmp->code() = 0u;
 285     ip.finalizeAll();
 286     SENF_CHECK_NO_THROW( ip.dump(oss) );
 287     BOOST_CHECK_EQUAL_COLLECTIONS(
 288             HopByHop_packetData, HopByHop_packetData+sizeof(HopByHop_packetData),
 289             ip.data().begin(), ip.data().end() );
 290 }
 291
 292 ///////////////////////////////cc.e////////////////////////////////////////
 293 #undef prefix_
 294
 295
 296 // Local Variables:
 297 // mode: c++
 298 // fill-column: 100
 299 // c-file-style: "senf"
 300 // indent-tabs-mode: nil
 301 // ispell-local-dictionary: "american"
 302 // compile-command: "scons -u test"
 303 // comment-column: 40
 304 // End: