#include #include #include #include #include "ip.h" #include "tcp.h" #include "udp.h" #include "icmp.h" #include "rawpdu.h" #include "ip_address.h" #include "utils.h" #include "ethernetII.h" using namespace std; using namespace Tins; class IPTest : public testing::Test { public: static const uint8_t expected_packet[], fragmented_packet[], fragmented_ether_ip_packet[], tot_len_zero_packet[]; void test_equals(const IP &ip1, const IP &ip2); }; const uint8_t IPTest::expected_packet[] = { 40, 127, 0, 32, 0, 122, 0, 67, 21, 1, 0, 0, 84, 52, 254, 5, 192, 168, 9, 43, 130, 11, 116, 106, 103, 171, 119, 171, 104, 101, 108, 0 }; const uint8_t IPTest::fragmented_packet[] = { 69, 0, 0, 60, 0, 242, 7, 223, 64, 17, 237, 220, 192, 0, 2, 1, 192, 0, 2, 2, 192, 0, 192, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; const uint8_t IPTest::fragmented_ether_ip_packet[] = { 0, 10, 94, 83, 216, 229, 0, 21, 197, 50, 245, 6, 8, 0, 69, 0, 0, 60, 0, 242, 7, 223, 64, 17, 237, 220, 192, 0, 2, 1, 192, 0, 2, 2, 192, 0, 192, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; const uint8_t IPTest::tot_len_zero_packet[] = { 60, 151, 14, 219, 60, 164, 60, 151, 14, 218, 161, 43, 8, 0, 69, 0 , 0, 0, 29, 214, 64, 0, 128, 6, 0, 0, 192, 168, 1, 20, 192, 168, 1, 21, 192, 190, 23, 172, 226, 151, 206, 49, 83, 30, 140, 232, 80 , 24, 1, 0, 131, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0 }; TEST_F(IPTest, DefaultConstructor) { IP ip; EXPECT_EQ(ip.dst_addr(), "0.0.0.0"); EXPECT_EQ(ip.src_addr(), "0.0.0.0"); EXPECT_EQ(ip.version(), 4); EXPECT_EQ(ip.id(), 1); EXPECT_EQ(ip.pdu_type(), PDU::IP); } TEST_F(IPTest, CopyConstructor) { IP ip1(expected_packet, sizeof(expected_packet)); IP ip2(ip1); test_equals(ip1, ip2); } TEST_F(IPTest, CopyAssignmentOperator) { IP ip1(expected_packet, sizeof(expected_packet)); IP ip2; ip2 = ip1; test_equals(ip1, ip2); } TEST_F(IPTest, NestedCopy) { IP *nested = new IP(expected_packet, sizeof(expected_packet)); IP ip1; ip1.inner_pdu(nested); IP ip2(ip1); test_equals(ip1, ip2); } TEST_F(IPTest, Constructor) { IP ip("192.168.0.1", "192.168.0.100"); EXPECT_EQ(ip.dst_addr(), "192.168.0.1"); EXPECT_EQ(ip.src_addr(), "192.168.0.100"); EXPECT_EQ(ip.version(), 4); EXPECT_EQ(ip.id(), 1); } TEST_F(IPTest, ConstructorFromFragmentedPacket) { IP ip(fragmented_packet, sizeof(fragmented_packet)); ASSERT_TRUE(ip.inner_pdu()); EXPECT_EQ(PDU::RAW, ip.inner_pdu()->pdu_type()); } TEST_F(IPTest, SerializeFragmentedPacket) { EthernetII pkt(fragmented_ether_ip_packet, sizeof(fragmented_ether_ip_packet)); PDU::serialization_type buffer = pkt.serialize(); EXPECT_EQ( PDU::serialization_type( fragmented_ether_ip_packet, fragmented_ether_ip_packet + sizeof(fragmented_ether_ip_packet) ), buffer ); } TEST_F(IPTest, TotalLengthZeroPacket) { EthernetII pkt(tot_len_zero_packet, sizeof(tot_len_zero_packet)); ASSERT_TRUE(pkt.find_pdu()); ASSERT_TRUE(pkt.find_pdu()); EXPECT_EQ(8192, pkt.rfind_pdu().payload_size()); } TEST_F(IPTest, TOS) { IP ip; ip.tos(0x7a); EXPECT_EQ(ip.tos(), 0x7a); } TEST_F(IPTest, ID) { IP ip; ip.id(0x7f1a); EXPECT_EQ(ip.id(), 0x7f1a); } TEST_F(IPTest, FragOffset) { IP ip; ip.frag_off(0x7f1a); EXPECT_EQ(ip.frag_off(), 0x7f1a); } TEST_F(IPTest, TTL) { IP ip; ip.ttl(0x7f); EXPECT_EQ(ip.ttl(), 0x7f); } TEST_F(IPTest, Protocol) { IP ip; ip.protocol(0x7f); EXPECT_EQ(ip.protocol(), 0x7f); } TEST_F(IPTest, SrcIPString) { IP ip; string string_ip("192.155.32.10"); ip.src_addr(string_ip); EXPECT_EQ(ip.src_addr(), IPv4Address(string_ip)); } TEST_F(IPTest, DstIPString) { IP ip; string string_ip("192.155.32.10"); ip.dst_addr(string_ip); EXPECT_EQ(ip.dst_addr(), IPv4Address(string_ip)); } TEST_F(IPTest, SrcIPInt) { IP ip; ip.src_addr("192.155.32.10"); EXPECT_EQ(ip.src_addr(), "192.155.32.10"); } TEST_F(IPTest, DstIPInt) { IP ip; ip.dst_addr("192.155.32.10"); EXPECT_EQ(ip.dst_addr(), "192.155.32.10"); } TEST_F(IPTest, Version) { IP ip; ip.version(0xb); EXPECT_EQ(ip.version(), 0xb); } TEST_F(IPTest, SecOption) { IP ip; ip.security(IP::security_type(0x746a, 26539, 0x77ab, 0x68656c)); IP::security_type found = ip.security(); EXPECT_EQ(found.security, 0x746a); EXPECT_EQ(found.compartments, 26539); EXPECT_EQ(found.handling_restrictions, 0x77ab); EXPECT_EQ(found.transmission_control, 0x68656cU); } TEST_F(IPTest, LSRROption) { IP ip; IP::lsrr_type lsrr(0x2d); lsrr.routes.push_back("192.168.2.3"); lsrr.routes.push_back("192.168.5.1"); ip.lsrr(lsrr); IP::lsrr_type found = ip.lsrr(); EXPECT_EQ(found.pointer, lsrr.pointer); EXPECT_EQ(found.routes, lsrr.routes); } TEST_F(IPTest, SSRROption) { IP ip; IP::ssrr_type ssrr(0x2d); ssrr.routes.push_back("192.168.2.3"); ssrr.routes.push_back("192.168.5.1"); ip.ssrr(ssrr); IP::ssrr_type found = ip.ssrr(); EXPECT_EQ(found.pointer, ssrr.pointer); EXPECT_EQ(found.routes, ssrr.routes); } TEST_F(IPTest, RecordRouteOption) { IP ip; IP::record_route_type record_route(0x2d); record_route.routes.push_back("192.168.2.3"); record_route.routes.push_back("192.168.5.1"); ip.record_route(record_route); IP::record_route_type found = ip.record_route(); EXPECT_EQ(found.pointer, record_route.pointer); EXPECT_EQ(found.routes, record_route.routes); } TEST_F(IPTest, StreamIDOption) { IP ip; ip.stream_identifier(0x91fa); EXPECT_EQ(0x91fa, ip.stream_identifier()); } TEST_F(IPTest, AddOption) { IP ip; const uint8_t data[] = { 0x15, 0x17, 0x94, 0x66, 0xff }; IP::option_identifier id(IP::SEC, IP::CONTROL, 1); ip.add_option(IP::option(id, data, data + sizeof(data))); const IP::option *opt; ASSERT_TRUE((opt = ip.search_option(id))); ASSERT_EQ(opt->data_size(), sizeof(data)); EXPECT_TRUE(memcmp(opt->data_ptr(), data, sizeof(data)) == 0); } void IPTest::test_equals(const IP &ip1, const IP &ip2) { EXPECT_EQ(ip1.dst_addr(), ip2.dst_addr()); EXPECT_EQ(ip1.src_addr(), ip2.src_addr()); EXPECT_EQ(ip1.id(), ip2.id()); EXPECT_EQ(ip1.frag_off(), ip2.frag_off()); EXPECT_EQ(ip1.tos(), ip2.tos()); EXPECT_EQ(ip1.ttl(), ip2.ttl()); EXPECT_EQ(ip1.version(), ip2.version()); EXPECT_EQ((bool)ip1.inner_pdu(), (bool)ip2.inner_pdu()); } TEST_F(IPTest, ConstructorFromBuffer) { IP ip(expected_packet, sizeof(expected_packet)); EXPECT_EQ(ip.dst_addr(), "192.168.9.43"); EXPECT_EQ(ip.src_addr(), "84.52.254.5"); EXPECT_EQ(ip.id(), 0x7a); EXPECT_EQ(ip.tos(), 0x7f); EXPECT_EQ(ip.frag_off(), 0x43); EXPECT_EQ(ip.protocol(), 1); EXPECT_EQ(ip.ttl(), 0x15); EXPECT_EQ(ip.version(), 2); IP::security_type sec = ip.security(); EXPECT_EQ(sec.security, 0x746a); EXPECT_EQ(sec.compartments, 26539); EXPECT_EQ(sec.handling_restrictions, 0x77ab); EXPECT_EQ(sec.transmission_control, 0x68656cU); } TEST_F(IPTest, StackedProtocols) { IP ip = IP() / TCP(); IP::serialization_type buffer = ip.serialize(); EXPECT_TRUE(IP(&buffer[0], buffer.size()).find_pdu()); ip = IP() / UDP(); buffer = ip.serialize(); EXPECT_TRUE(IP(&buffer[0], buffer.size()).find_pdu()); ip = IP() / ICMP(); buffer = ip.serialize(); EXPECT_TRUE(IP(&buffer[0], buffer.size()).find_pdu()); } TEST_F(IPTest, SpoofedOptions) { IP pdu; uint8_t a[] = { 1,2,3,4,5,6 }; pdu.add_option( IP::option(IP::NOOP, 250, a, a + sizeof(a)) ); pdu.add_option( IP::option(IP::NOOP, 250, a, a + sizeof(a)) ); pdu.add_option( IP::option(IP::NOOP, 250, a, a + sizeof(a)) ); // probably we'd expect it to crash if it's not working, valgrind plx EXPECT_EQ(3U, pdu.options().size()); EXPECT_EQ(pdu.serialize().size(), pdu.size()); }