| 1 | /* |
| 2 | The software in this package is distributed under the GNU General |
| 3 | Public License version 2 (with a special exception described below). |
| 4 | |
| 5 | A copy of GNU General Public License (GPL) is included in this distribution, |
| 6 | in the file COPYING.GPL. |
| 7 | |
| 8 | As a special exception, if other files instantiate templates or use macros |
| 9 | or inline functions from this file, or you compile this file and link it |
| 10 | with other works to produce a work based on this file, this file |
| 11 | does not by itself cause the resulting work to be covered |
| 12 | by the GNU General Public License. |
| 13 | |
| 14 | However the source code for this file must still be made available |
| 15 | in accordance with section (3) of the GNU General Public License. |
| 16 | |
| 17 | This exception does not invalidate any other reasons why a work based |
| 18 | on this file might be covered by the GNU General Public License. |
| 19 | */ |
| 20 | |
| 21 | #define BOOST_TEST_MAIN |
| 22 | #define BOOST_TEST_DYN_LINK |
| 23 | |
| 24 | #include <streambuf> |
| 25 | |
| 26 | #include <boost/test/unit_test.hpp> |
| 27 | |
| 28 | #include "ip/ipv4header.h" |
| 29 | |
| 30 | BOOST_AUTO_TEST_SUITE( TestIpv4Header ) |
| 31 | |
| 32 | BOOST_AUTO_TEST_CASE( icmp_packet ) |
| 33 | { |
| 34 | uint8_t raw_packet_stream[] = { |
| 35 | 0x45, 0x00, 0x00, 0x54, 0x0f, 0x12, 0x00, 0x00, 0x33, 0x01, 0xea, |
| 36 | 0x2e, 0xc8, 0x93, 0x03, 0xc7, 0xc0, 0xa8, 0x01, 0x66 |
| 37 | }; |
| 38 | |
| 39 | std::basic_stringbuf<uint8_t> sb; |
| 40 | sb.pubsetbuf( raw_packet_stream, sizeof(raw_packet_stream) ); |
| 41 | std::basic_istream<uint8_t> is( &sb ); |
| 42 | |
| 43 | Ipv4Header ip_header; |
| 44 | reinterpret_cast<std::istream&>(is) >> ip_header; |
| 45 | |
| 46 | BOOST_CHECK_EQUAL( ip_header.get_version(), 4 ); |
| 47 | BOOST_CHECK_EQUAL( ip_header.get_header_length(), 20 ); |
| 48 | BOOST_CHECK_EQUAL( ip_header.get_total_length(), 84 ); |
| 49 | BOOST_CHECK_EQUAL( ip_header.get_identification(), 0x0F12 ); |
| 50 | BOOST_CHECK_EQUAL( ip_header.dont_fragment(), false ); |
| 51 | BOOST_CHECK_EQUAL( ip_header.more_fragments(), false ); |
| 52 | BOOST_CHECK_EQUAL( ip_header.get_fragment_offset(), 0 ); |
| 53 | BOOST_CHECK_EQUAL( ip_header.get_time_to_live(), 51 ); |
| 54 | BOOST_CHECK_EQUAL( ip_header.get_protocol(), 0x01 ); // ICMP |
| 55 | BOOST_CHECK_EQUAL( ip_header.get_header_checksum(), 0xEA2E ); |
| 56 | BOOST_CHECK_EQUAL( ip_header.get_source_address(), boost::asio::ip::address_v4::from_string("200.147.3.199") ); |
| 57 | BOOST_CHECK_EQUAL( ip_header.get_destination_address(), boost::asio::ip::address_v4::from_string("192.168.1.102") ); |
| 58 | } |
| 59 | |
| 60 | BOOST_AUTO_TEST_CASE( tcp_packet ) |
| 61 | { |
| 62 | uint8_t raw_packet_stream[] = { |
| 63 | 0x45, 0x00, 0x00, 0x34, 0x93, 0x2a, 0x40, 0x00, 0x40, 0x06, 0x08, |
| 64 | 0x57, 0xc0, 0xa8, 0x01, 0x66, 0x08, 0x14, 0xd5, 0x20 |
| 65 | }; |
| 66 | |
| 67 | std::basic_stringbuf<uint8_t> sb; |
| 68 | sb.pubsetbuf( raw_packet_stream, sizeof(raw_packet_stream) ); |
| 69 | std::basic_istream<uint8_t> is( &sb ); |
| 70 | |
| 71 | Ipv4Header ip_header; |
| 72 | reinterpret_cast<std::istream&>(is) >> ip_header; |
| 73 | |
| 74 | BOOST_CHECK_EQUAL( ip_header.get_version(), 4 ); |
| 75 | BOOST_CHECK_EQUAL( ip_header.get_header_length(), 20 ); |
| 76 | BOOST_CHECK_EQUAL( ip_header.get_total_length(), 52 ); |
| 77 | BOOST_CHECK_EQUAL( ip_header.get_identification(), 0x932A ); |
| 78 | BOOST_CHECK_EQUAL( ip_header.dont_fragment(), true ); |
| 79 | BOOST_CHECK_EQUAL( ip_header.more_fragments(), false ); |
| 80 | BOOST_CHECK_EQUAL( ip_header.get_fragment_offset(), 0 ); |
| 81 | BOOST_CHECK_EQUAL( ip_header.get_time_to_live(), 64 ); |
| 82 | BOOST_CHECK_EQUAL( ip_header.get_protocol(), 0x06 ); // TCP |
| 83 | BOOST_CHECK_EQUAL( ip_header.get_header_checksum(), 0x0857 ); |
| 84 | BOOST_CHECK_EQUAL( ip_header.get_source_address(), boost::asio::ip::address_v4::from_string("192.168.1.102") ); |
| 85 | BOOST_CHECK_EQUAL( ip_header.get_destination_address(), boost::asio::ip::address_v4::from_string( "8.20.213.32" ) ); |
| 86 | } |
| 87 | |
| 88 | BOOST_AUTO_TEST_CASE( udp_packet ) |
| 89 | { |
| 90 | uint8_t raw_packet_stream[] = { |
| 91 | 0x45, 0x00, 0x00, 0x49, 0x1c, 0xd9, 0x40, 0x00, 0x40, 0x11, 0x9a, |
| 92 | 0x13, 0xc0, 0xa8, 0x01, 0x66, 0xc0, 0xa8, 0x01, 0x01 |
| 93 | }; |
| 94 | |
| 95 | std::basic_stringbuf<uint8_t> sb; |
| 96 | sb.pubsetbuf( raw_packet_stream, sizeof(raw_packet_stream) ); |
| 97 | std::basic_istream<uint8_t> is( &sb ); |
| 98 | |
| 99 | Ipv4Header ip_header; |
| 100 | reinterpret_cast<std::istream&>(is) >> ip_header; |
| 101 | |
| 102 | BOOST_CHECK_EQUAL( ip_header.get_version(), 4 ); |
| 103 | BOOST_CHECK_EQUAL( ip_header.get_header_length(), 20 ); |
| 104 | BOOST_CHECK_EQUAL( ip_header.get_total_length(), 73 ); |
| 105 | BOOST_CHECK_EQUAL( ip_header.get_identification(), 0x1CD9 ); |
| 106 | BOOST_CHECK_EQUAL( ip_header.dont_fragment(), true ); |
| 107 | BOOST_CHECK_EQUAL( ip_header.more_fragments(), false ); |
| 108 | BOOST_CHECK_EQUAL( ip_header.get_fragment_offset(), 0 ); |
| 109 | BOOST_CHECK_EQUAL( ip_header.get_time_to_live(), 64 ); |
| 110 | BOOST_CHECK_EQUAL( ip_header.get_protocol(), 0x11 ); // UDP |
| 111 | BOOST_CHECK_EQUAL( ip_header.get_header_checksum(), 0x9A13 ); |
| 112 | BOOST_CHECK_EQUAL( ip_header.get_source_address(), boost::asio::ip::address_v4::from_string("192.168.1.102") ); |
| 113 | BOOST_CHECK_EQUAL( ip_header.get_destination_address(), boost::asio::ip::address_v4::from_string( "192.168.1.1" ) ); |
| 114 | } |
| 115 | |
| 116 | BOOST_AUTO_TEST_SUITE_END() |