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324 | // Copyright (C) 2012-2017 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <iostream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sstream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <arpa/inet.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <asiolink/io_address.h>
#include <dhcp/option.h>
#include <dhcp/dhcp6.h>
#include <boost/scoped_ptr.hpp><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include "../localized_option.h"
#include "../perf_pkt6.h"
using namespace std;
using namespace isc;
using namespace isc::dhcp;
using namespace isc::perfdhcp;
typedef PerfPkt6::LocalizedOptionPtr LocalizedOptionPtr;
namespace {
class PerfPkt6Test : public ::testing::Test {
public:
PerfPkt6Test() {
}
/// \brief Returns captured SOLICIT packet.
///
/// Captured SOLICIT packet with transid=0x3d79fb and options: client-id,
/// in_na, dns-server, elapsed-time, option-request
/// This code was autogenerated
/// (see src/bin/dhcp6/tests/iface_mgr_unittest.c),
/// but we spent some time to make is less ugly than it used to be.
///
/// \return pointer to Pkt6 that represents received SOLICIT
PerfPkt6* capture() {
uint8_t data[98];
data[0] = 1;
data[1] = 1; data[2] = 2; data[3] = 3; data[4] = 0;
data[5] = 1; data[6] = 0; data[7] = 14; data[8] = 0;
data[9] = 1; data[10] = 0; data[11] = 1; data[12] = 21;
data[13] = 158; data[14] = 60; data[15] = 22; data[16] = 0;
data[17] = 30; data[18] = 140; data[19] = 155; data[20] = 115;
data[21] = 73; data[22] = 0; data[23] = 3; data[24] = 0;
data[25] = 40; data[26] = 0; data[27] = 0; data[28] = 0;
data[29] = 1; data[30] = 255; data[31] = 255; data[32] = 255;
data[33] = 255; data[34] = 255; data[35] = 255; data[36] = 255;
data[37] = 255; data[38] = 0; data[39] = 5; data[40] = 0;
data[41] = 24; data[42] = 32; data[43] = 1; data[44] = 13;
data[45] = 184; data[46] = 0; data[47] = 1; data[48] = 0;
data[49] = 0; data[50] = 0; data[51] = 0; data[52] = 0;
data[53] = 0; data[54] = 0; data[55] = 0; data[56] = 18;
data[57] = 52; data[58] = 255; data[59] = 255; data[60] = 255;
data[61] = 255; data[62] = 255; data[63] = 255; data[64] = 255;
data[65] = 255; data[66] = 0; data[67] = 23; data[68] = 0;
data[69] = 16; data[70] = 32; data[71] = 1; data[72] = 13;
data[73] = 184; data[74] = 0; data[75] = 1; data[76] = 0;
data[77] = 0; data[78] = 0; data[79] = 0; data[80] = 0;
data[81] = 0; data[82] = 0; data[83] = 0; data[84] = 221;
data[85] = 221; data[86] = 0; data[87] = 8; data[88] = 0;
data[89] = 2; data[90] = 0; data[91] = 100; data[92] = 0;
data[93] = 6; data[94] = 0; data[95] = 2; data[96] = 0;
data[97] = 23;
PerfPkt6* pkt = new PerfPkt6(data, sizeof(data));
return (pkt);
}
/// \brief Returns truncated SOLICIT packet.
///
/// Returns truncated SOLICIT packet which will be used for
/// negative tests: e.g. pack options out of packet.
///
/// \return pointer to Pkt6 that represents truncated SOLICIT
PerfPkt6* captureTruncated() {
uint8_t data[17];
data[0] = 1;
data[1] = 1; data[2] = 2; data[3] = 3; data[4] = 0;
data[5] = 1; data[6] = 0; data[7] = 14; data[8] = 0;
data[9] = 1; data[10] = 0; data[11] = 1; data[12] = 21;
data[13] = 158; data[14] = 60; data[15] = 22; data[16] = 0;
PerfPkt6* pkt = new PerfPkt6(data, sizeof(data));
return (pkt);
}
};
TEST_F(PerfPkt6Test, Constructor) {<--- syntax error
// Data to be used to create packet.
uint8_t data[] = { 0, 1, 2, 3, 4, 5 };
// Test constructor to be used for incoming messages.
// Use default (1) offset value and don't specify transaction id.
boost::scoped_ptr<PerfPkt6> pkt1(new PerfPkt6(data, sizeof(data)));
EXPECT_EQ(sizeof(data), pkt1->data_.size());
EXPECT_EQ(0, memcmp(&pkt1->data_[0], data, sizeof(data)));
EXPECT_EQ(1, pkt1->getTransidOffset());
// Test constructor to be used for outgoing messages.
// Use non-zero offset and specify transaction id.
const size_t offset_transid = 10;
const uint32_t transid = 0x010203;
boost::scoped_ptr<PerfPkt6> pkt2(new PerfPkt6(data, sizeof(data),
offset_transid, transid));
EXPECT_EQ(sizeof(data), pkt2->data_.size());
EXPECT_EQ(0, memcmp(&pkt2->data_[0], data, sizeof(data)));
EXPECT_EQ(0x010203, pkt2->getTransid());
EXPECT_EQ(10, pkt2->getTransidOffset());
}
TEST_F(PerfPkt6Test, RawPackUnpack) {
// Create first packet.
boost::scoped_ptr<PerfPkt6> pkt1(capture());
// Create some input buffers to initialize options.
uint8_t buf_elapsed_time[] = { 1, 1 };
uint8_t buf_duid[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 };
// Create options.
const size_t offset_elapsed_time = 86;
OptionBuffer vec_elapsed_time(buf_elapsed_time,
buf_elapsed_time + sizeof(buf_elapsed_time));
LocalizedOptionPtr pkt1_elapsed_time(new LocalizedOption(Option::V6,
D6O_ELAPSED_TIME,
vec_elapsed_time,
offset_elapsed_time));
const size_t offset_duid = 4;
OptionBuffer vec_duid(buf_duid, buf_duid + sizeof(buf_duid));
LocalizedOptionPtr pkt1_duid(new LocalizedOption(Option::V6,
D6O_CLIENTID,
vec_duid,
offset_duid));
// Add option to packet and create on-wire format from added options.
// Contents of options will override contents of packet buffer.
ASSERT_NO_THROW(pkt1->addOption(pkt1_elapsed_time));
ASSERT_NO_THROW(pkt1->addOption(pkt1_duid));
ASSERT_TRUE(pkt1->rawPack());
// Reset so as we can reuse them for another packet.
vec_elapsed_time.clear();
vec_duid.clear();
// Get output buffer from packet 1 to create new packet
// that will be later validated.
util::OutputBuffer pkt1_output = pkt1->getBuffer();
ASSERT_EQ(pkt1_output.getLength(), pkt1->data_.size());
const uint8_t* pkt1_output_data = static_cast<const uint8_t*>
(pkt1_output.getData());
boost::scoped_ptr<PerfPkt6> pkt2(new PerfPkt6(pkt1_output_data,
pkt1_output.getLength()));
// Create objects specifying options offset in a packet.
// Offsets will inform pkt2 object where to read data from.
LocalizedOptionPtr pkt2_elapsed_time(new LocalizedOption(Option::V6,
D6O_ELAPSED_TIME,
vec_elapsed_time,
offset_elapsed_time));
LocalizedOptionPtr pkt2_duid(new LocalizedOption(Option::V6,
D6O_CLIENTID,
vec_duid,
offset_duid));
// Add options to packet to pass their offsets.
pkt2->addOption(pkt2_elapsed_time);
pkt2->addOption(pkt2_duid);
// Unpack: get relevant parts of buffer data into option objects.
ASSERT_TRUE(pkt2->rawUnpack());
// Once option data is stored in options objects we pull it out.
pkt2_elapsed_time = boost::dynamic_pointer_cast<LocalizedOption>
(pkt2->getOption(D6O_ELAPSED_TIME));
pkt2_duid = boost::dynamic_pointer_cast<LocalizedOption>
(pkt2->getOption(D6O_CLIENTID));
// Check if options are present. They have to be there since
// we have added them ourselfs.
ASSERT_TRUE(pkt2_elapsed_time);
ASSERT_TRUE(pkt2_duid);
// Expecting option contents be the same as original.
OptionBuffer pkt2_elapsed_time_data = pkt2_elapsed_time->getData();
OptionBuffer pkt2_duid_data = pkt2_duid->getData();
EXPECT_EQ(0x0101, pkt2_elapsed_time->getUint16());
EXPECT_TRUE(std::equal(pkt2_duid_data.begin(),
pkt2_duid_data.end(),
buf_duid));
}
TEST_F(PerfPkt6Test, InvalidOptions) {
// Create packet.
boost::scoped_ptr<PerfPkt6> pkt1(capture());
OptionBuffer vec_server_id;
vec_server_id.resize(10);
// Testing invalid offset of the option (greater than packet size)
const size_t offset_serverid[] = { 150, 85 };
LocalizedOptionPtr pkt1_serverid(new LocalizedOption(Option::V6,
D6O_SERVERID,
vec_server_id,
offset_serverid[0]));
pkt1->addOption(pkt1_serverid);
// Pack has to fail due to invalid offset.
EXPECT_FALSE(pkt1->rawPack());
// Create packet.
boost::scoped_ptr<PerfPkt6> pkt2(capture());
// Testing offset of the option (lower than packet size but
// tail of the option out of bounds).
LocalizedOptionPtr pkt2_serverid(new LocalizedOption(Option::V6,
D6O_SERVERID,
vec_server_id,
offset_serverid[1]));
pkt2->addOption(pkt2_serverid);
// Pack must fail due to invalid offset.
EXPECT_FALSE(pkt2->rawPack());
}
TEST_F(PerfPkt6Test, TruncatedPacket) {
cout << "Testing parsing options from truncated packet."
<< "This may produce spurious errors" << endl;
// Create truncated (in the middle of duid options)
boost::scoped_ptr<PerfPkt6> pkt1(captureTruncated());
OptionBuffer vec_duid;
vec_duid.resize(30);
const size_t offset_duid = 4;
LocalizedOptionPtr pkt1_duid(new LocalizedOption(Option::V6,
D6O_CLIENTID,
vec_duid,
offset_duid));
pkt1->addOption(pkt1_duid);
// Pack/unpack must fail because length of the option read from buffer
// will extend over the actual packet length.
EXPECT_FALSE(pkt1->rawUnpack());
EXPECT_FALSE(pkt1->rawPack());
}
TEST_F(PerfPkt6Test, PackTransactionId) {
uint8_t data[100];
memset(&data, 0, sizeof(data));
const size_t offset_transid[] = { 50, 100 };
const uint32_t transid = 0x010203;
// Create dummy packet that is simply filled with zeros.
boost::scoped_ptr<PerfPkt6> pkt1(new PerfPkt6(data,
sizeof(data),
offset_transid[0],
transid));
// Reference data are non zero so we can detect them in dummy packet.
uint8_t ref_data[3] = { 1, 2, 3 };
// This will store given transaction id in the packet data at
// offset of 50.
ASSERT_TRUE(pkt1->rawPack());
// Get the output buffer so we can validate it.
util::OutputBuffer out_buf = pkt1->getBuffer();
ASSERT_EQ(sizeof(data), out_buf.getLength());
const uint8_t *out_buf_data = static_cast<const uint8_t*>
(out_buf.getData());
// Try to make clang static analyzer happy.
ASSERT_LE(offset_transid[0], out_buf.getLength());
// Validate transaction id.
EXPECT_EQ(0, memcmp(ref_data, out_buf_data + offset_transid[0], 3));
// Out of bounds transaction id offset.
boost::scoped_ptr<PerfPkt6> pkt2(new PerfPkt6(data,
sizeof(data),
offset_transid[1],
transid));
cout << "Testing out of bounds offset. "
"This may produce spurious errors ..." << endl;
EXPECT_FALSE(pkt2->rawPack());
}
TEST_F(PerfPkt6Test, UnpackTransactionId) {
// Initialize data for dummy packet (zeros only).
uint8_t data[100] = { 0 };
// Generate transaction id = 0x010203 and inject at offset = 50.
for (uint8_t i = 50; i < 53; ++i) {
data[i] = i - 49;
}
// Create packet and point out that transaction id is at offset 50.
const size_t offset_transid[] = { 50, 300 };
boost::scoped_ptr<PerfPkt6> pkt1(new PerfPkt6(data,
sizeof(data),
offset_transid[0]));
// Get transaction id out of buffer and store in class member.
ASSERT_TRUE(pkt1->rawUnpack());
// Test value of transaction id.
EXPECT_EQ(0x010203, pkt1->getTransid());
// Out of bounds transaction id offset.
boost::scoped_ptr<PerfPkt6> pkt2(new PerfPkt6(data,
sizeof(data),
offset_transid[1]));
cout << "Testing out of bounds offset. "
"This may produce spurious errors ..." << endl;
EXPECT_FALSE(pkt2->rawUnpack());
}
}
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