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>
9 // This program is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
14 // This program is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the
21 // Free Software Foundation, Inc.,
22 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 \brief IPv6Extensions unit tests */
27 //#include "IPv6Extensions.test.hh"
28 //#include "IPv6Extensions.test.ih"
31 #include "IPv6Extensions.hh"
32 #include "IPv6Packet.hh"
33 #include "UDPPacket.hh"
34 #include "ICMPv6Packet.hh"
35 #include <senf/Utils/hexdump.hh>
37 #include <senf/Utils/auto_unit_test.hh>
38 #include <boost/test/test_tools.hpp>
41 ///////////////////////////////cc.p////////////////////////////////////////
43 BOOST_AUTO_UNIT_TEST(ipv6Extensions_fragment)
45 // Just for the fun of it, we test a nice chain: A fragment of a fragmented UDP packet
47 unsigned char Fragment_packetData[] = {
49 0x60, 0x00, 0x00, 0x00, // IP Version, class, flow label
50 0, 20, // payload length
51 44, // next header (IPv6 Fragment)
53 0x20, 0x01, 0, 0, 0, 0, 0, 0, // source ip = 2001::1
54 0, 0, 0, 0, 0, 0, 0, 0x01,
55 0x20, 0x01, 0, 0, 0, 0, 0, 0, // destination ip = 2001::2
56 0, 0, 0, 0, 0, 0, 0, 0x02,
57 // IPv6 Fragment header
58 17, // next header (UDP)
60 0x05, 0x00, // fragment offset, last fragment
61 0x01, 0x02, 0x03, 0x04, // id
63 0x10, 0x00, // source port
64 0x20, 0x00, // destination port
66 0x00, 0x00, // CRC (no, I won't calculate this one ...)
68 0x11, 0x12, 0x13, 0x14
71 senf::IPv6Packet pFragment_packet (senf::IPv6Packet::create(Fragment_packetData));
73 BOOST_CHECK_EQUAL( pFragment_packet->version(), 6u );
74 BOOST_CHECK_EQUAL( pFragment_packet->length(), 20u );
75 BOOST_CHECK_EQUAL( pFragment_packet->nextHeader(), 44u );
76 BOOST_CHECK_EQUAL( pFragment_packet->source().value(),
77 senf::INet6Address::from_string("2001::1") );
78 BOOST_CHECK_EQUAL( pFragment_packet->destination().value(),
79 senf::INet6Address::from_string("2001::2") );
81 std::ostringstream oss (std::ostringstream::out);
82 SENF_CHECK_NO_THROW( pFragment_packet.dump( oss));
84 BOOST_CHECK( pFragment_packet.next().is<senf::IPv6FragmentPacket>() );
86 senf::IPv6FragmentPacket fFragment_packet (pFragment_packet.next().as<senf::IPv6FragmentPacket>());
88 BOOST_CHECK_EQUAL( fFragment_packet->nextHeader(), 17u );
89 BOOST_CHECK_EQUAL( fFragment_packet->fragmentOffset(), 160u );
90 BOOST_CHECK_EQUAL( fFragment_packet->id(), 0x01020304u );
91 BOOST_CHECK( fFragment_packet.next().is<senf::UDPPacket>() );
93 senf::UDPPacket uFragment_packet (fFragment_packet.next().as<senf::UDPPacket>());
95 BOOST_CHECK_EQUAL( uFragment_packet->source(), 0x1000u );
96 BOOST_CHECK_EQUAL( uFragment_packet->destination(), 0x2000u );
97 BOOST_CHECK_EQUAL( uFragment_packet->length(), 12u );
98 BOOST_CHECK( uFragment_packet.next().is<senf::DataPacket>() );
100 senf::DataPacket dFragment_packet (uFragment_packet.next().as<senf::DataPacket>());
101 senf::PacketData::iterator i (uFragment_packet.next().data().begin());
102 BOOST_CHECK_EQUAL( dFragment_packet.size(), 4u );
103 BOOST_CHECK_EQUAL( dFragment_packet.data()[0], 0x11 );
107 BOOST_AUTO_UNIT_TEST(ipv6Extensions_routing)
109 unsigned char Routing_packetData[] = {
111 0x60, 0x30, 0x00, 0x00,
112 0x00, 0x10, // payload Length
113 0x2b, // next Header (43 = Routing Header)
115 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
116 0x02, 0x01, 0x02, 0xff, 0xfe, 0x00, 0x02, 0x00, // Src Addr
117 0x35, 0x55, 0x55, 0x55, 0x66, 0x66, 0x66, 0x66,
118 0x77, 0x77, 0x77, 0x77, 0x88, 0x88, 0x88, 0x88, // Dest. Addr
120 0x3a, // nextHeader (58)
121 0x00, // length ( 0 )
122 0x00, // routing type ( 0 )
123 0x00, // Left Segments ( 0 )
124 0x00, 0x00, 0x00, 0x00, // reserved
126 0x01, // type: 1 (unreachable )
127 0x00, // code: 0 (route unreachable)
128 0xa3, 0xd3, // checksum (incorrect in wireshark capture file, should be 0xa3c4)
129 0x00, 0x00, 0x00, 0x00
132 senf::IPv6Packet pRouting_packet (senf::IPv6Packet::create(Routing_packetData));
134 BOOST_CHECK_EQUAL( pRouting_packet->version(), 6u );
135 BOOST_CHECK_EQUAL( pRouting_packet->length(), 16u );
136 BOOST_CHECK_EQUAL( pRouting_packet->nextHeader(), 43u );
137 BOOST_CHECK_EQUAL( pRouting_packet->source().value(),
138 senf::INet6Address::from_string("fe80::201:2ff:fe00:200") );
139 BOOST_CHECK_EQUAL( pRouting_packet->destination().value(),
140 senf::INet6Address::from_string("3555:5555:6666:6666:7777:7777:8888:8888"));
142 std::ostringstream oss (std::ostringstream::out);
143 SENF_CHECK_NO_THROW( pRouting_packet.dump( oss));
145 BOOST_REQUIRE( pRouting_packet.next().is<senf::IPv6RoutingPacket>() );
147 senf::IPv6RoutingPacket pRouting_extension (pRouting_packet.next().as<senf::IPv6RoutingPacket>());
149 BOOST_CHECK_EQUAL( pRouting_extension->nextHeader(), 58u );
150 BOOST_CHECK_EQUAL( pRouting_extension->headerLength(), 0x00 );
151 BOOST_CHECK_EQUAL( pRouting_extension->routingType(), 0x00 );
152 BOOST_CHECK_EQUAL( pRouting_extension->segmentsLeft(), 0x00);
154 BOOST_CHECK_EQUAL( pRouting_extension->reserved(), 0u);
156 BOOST_REQUIRE( pRouting_extension.next().is<senf::ICMPv6Packet>() );
157 senf::ICMPv6Packet pICMPv6 (pRouting_extension.next().as<senf::ICMPv6Packet>());
158 BOOST_CHECK_EQUAL( pICMPv6->type(), 1u);
159 BOOST_CHECK_EQUAL( pICMPv6->code(), 0u);
160 BOOST_CHECK_EQUAL( pICMPv6->checksum(), 0xa3d3);
164 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_parse)
166 unsigned char HopByHop_packetData[] = {
167 0x60, 0x00, 0x00, 0x00, // IP version, class, flow label
168 0x00, 0x24, // payload length
169 0x00, // next header: IPv6 hop-by-hop option (0)
170 0x01, // hop limit (1)
171 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172 0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26, // IPv6 Source address
173 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, // IPv6 Destination address ff02::16
176 0x3a, // next Header (ICMPv6)
177 0x00, // Length (0 = 8Bytes)
180 0x02, // option Length (= 2 byte)
181 0x00, 0x00, //data (zero data here ...)
182 0x02, //option type (2, set for testing purposes only)
183 0x00, //option Type length (=0, no data field needed here)
186 0x00, // code 0, should always be 0
187 0x50, 0xcc, // checksum
190 senf::IPv6Packet pHop_packet (senf::IPv6Packet::create(HopByHop_packetData));
191 BOOST_CHECK_EQUAL( pHop_packet->version(), 6u );
192 BOOST_CHECK_EQUAL( pHop_packet->length(), 36u );
193 BOOST_CHECK_EQUAL( pHop_packet->nextHeader(), 0u );
194 BOOST_CHECK_EQUAL( pHop_packet->source().value(),
195 senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226") );
196 BOOST_CHECK_EQUAL( pHop_packet->destination().value(), senf::INet6Address::from_string("ff02::16") );
198 std::ostringstream oss (std::ostringstream::out);
199 SENF_CHECK_NO_THROW( pHop_packet.dump( oss ));
201 BOOST_REQUIRE( pHop_packet.next().is<senf::IPv6HopByHopOptionsPacket>() );
202 senf::IPv6HopByHopOptionsPacket pHop_extension (
203 pHop_packet.next().as<senf::IPv6HopByHopOptionsPacket>());
204 BOOST_CHECK_EQUAL( pHop_extension->nextHeader(), 58u );
205 BOOST_CHECK_EQUAL( pHop_extension->headerLength(), 0x00 );
207 senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pHop_extension->options() );
208 senf::IPv6HopByHopOptionsPacket::Parser::options_t::container::iterator listIter (optC.begin());
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);
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);
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);
227 BOOST_AUTO_UNIT_TEST(ipv6Extensions_hopByHop_create)
229 std::ostringstream oss (std::ostringstream::out);
230 unsigned char HopByHop_packetData[] = {
231 0x60, 0x00, 0x00, 0x00, //IP version, class, flow label
232 0x00, 0x0c, //payload length
233 0x00, //next header: IPv6 hop-by-hop option (0)
234 0x01, //hop limit (1)
235 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //IPv6 Source address (fe80::219:b9ff:feeb:b226)
236 0x02, 0x19, 0xb9, 0xff, 0xfe, 0xeb, 0xb2, 0x26,
238 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //IPv6 Destination address ff02::16
239 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16,
241 0x3a, //next Header (ICMPv6)
242 0x00, //Length (0 = 8Bytes)
246 0x02, //option Length (= 2 byte)
247 0x00, 0x00, //data (zero data here ...)
249 0x02, //option type (2, set for testing purposes only)
250 0x00, //option Type length (=0, no data field needed here)
254 0x00, //code 0, should always be 0
255 0xca, 0xdf, //checksum
257 senf::IPv6Packet ip (senf::IPv6Packet::create());
260 ip->nextHeader() = 0u;
262 ip->source() = senf::INet6Address::from_string("fe80::219:b9ff:feeb:b226");
263 ip->destination() = senf::INet6Address::from_string("ff02::16");
264 senf::IPv6HopByHopOptionsPacket pext (senf::IPv6HopByHopOptionsPacket::createAfter(ip) );
265 pext->nextHeader() = 58u;
266 pext->headerLength() = 0u;
268 senf::IPv6HopByHopOptionsPacket::Parser::options_t::container optC(pext->options() );
270 optC.push_back_space();
271 senf::IPv6GenericOptionTLVParser opt = optC.back().init<senf::IPv6GenericOptionTLVParser>();
272 opt.altAction() = 0u;
273 opt.changeFlag() = 0u;
274 opt.optionType() = 5u;
275 unsigned char val[] = {0x00, 0x00};
278 optC.push_back_space();
279 opt = optC.back().init<senf::IPv6GenericOptionTLVParser>();
280 opt.altAction() = 0u;
281 opt.changeFlag() = 0u;
282 opt.optionType() = 2u;
284 senf::ICMPv6Packet icmp (senf::ICMPv6Packet::createAfter (pext));
288 SENF_CHECK_NO_THROW( ip.dump(oss) );
289 SENF_CHECK_EQUAL_COLLECTIONS(
290 HopByHop_packetData, HopByHop_packetData+sizeof(HopByHop_packetData),
291 ip.data().begin(), ip.data().end() );
294 ///////////////////////////////cc.e////////////////////////////////////////
301 // c-file-style: "senf"
302 // indent-tabs-mode: nil
303 // ispell-local-dictionary: "american"
304 // compile-command: "scons -u test"
305 // comment-column: 40