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865 lines
32 KiB
865 lines
32 KiB
// Copyright (c) 2019-2020 The Hush developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#include <gtest/gtest.h>
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#include "addrman.h"
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#include <boost/filesystem.hpp>
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#include <boost/thread.hpp>
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#include <string>
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#include "hash.h"
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#include "random.h"
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#include "util/asmap.h"
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#include "netbase.h"
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#include "chainparams.h"
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#include "tinyformat.h"
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#include "utilstrencodings.h"
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#define NODE_NONE 0
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// https://stackoverflow.com/questions/16491675/how-to-send-custom-message-in-google-c-testing-framework/29155677
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#define GTEST_COUT_NOCOLOR std::cerr << "[ ] [ INFO ] "
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namespace testing
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{
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namespace internal
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{
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enum GTestColor {
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COLOR_DEFAULT,
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COLOR_RED,
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COLOR_GREEN,
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COLOR_YELLOW
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};
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extern void ColoredPrintf(GTestColor color, const char* fmt, ...);
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}
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}
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#define PRINTF(...) do { testing::internal::ColoredPrintf(testing::internal::COLOR_GREEN, "[ ] "); testing::internal::ColoredPrintf(testing::internal::COLOR_YELLOW, __VA_ARGS__); } while(0)
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// C++ stream interface
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class TestCout : public std::stringstream
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{
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public:
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~TestCout()
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{
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PRINTF("%s",str().c_str());
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}
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};
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#define GTEST_COUT_COLOR TestCout()
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using namespace std;
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/* xxd -i est-komodo/data/asmap.raw | sed 's/unsigned char/static unsigned const char/g' */
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static unsigned const char asmap_raw[] = {
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0xfb, 0x03, 0xec, 0x0f, 0xb0, 0x3f, 0xc0, 0xfe, 0x00, 0xfb, 0x03, 0xec,
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0x0f, 0xb0, 0x3f, 0xc0, 0xfe, 0x00, 0xfb, 0x03, 0xec, 0x0f, 0xb0, 0xff,
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0xff, 0xfe, 0xff, 0xed, 0xb0, 0xff, 0xd4, 0x86, 0xe6, 0x28, 0x29, 0x00,
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0x00, 0x40, 0x00, 0x00, 0x40, 0x00, 0x40, 0x99, 0x01, 0x00, 0x80, 0x01,
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0x80, 0x04, 0x00, 0x00, 0x05, 0x00, 0x06, 0x00, 0x1c, 0xf0, 0x39
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};
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unsigned int asmap_raw_len = 59;
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class CAddrManTest : public CAddrMan
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{
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private:
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uint64_t state;
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bool deterministic;
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public:
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explicit CAddrManTest(bool makeDeterministic = true,
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std::vector<bool> asmap = std::vector<bool>())
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{
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if (makeDeterministic) {
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// Set addrman addr placement to be deterministic.
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MakeDeterministic();
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}
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deterministic = makeDeterministic;
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m_asmap = asmap;
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state = 1;
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}
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void PrintInternals()
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{
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GTEST_COUT_NOCOLOR << "mapInfo.size() = " << mapInfo.size() << std::endl;
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GTEST_COUT_NOCOLOR << "nNew = " << nNew << std::endl;
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}
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//! Ensure that bucket placement is always the same for testing purposes.
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void MakeDeterministic()
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{
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nKey.SetNull();
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seed_insecure_rand(true);
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}
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int RandomInt(int nMax)
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{
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state = (CHashWriter(SER_GETHASH, 0) << state).GetHash().GetCheapHash();
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return (unsigned int)(state % nMax);
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}
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CAddrInfo* Find(const CNetAddr& addr, int* pnId = NULL)
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{
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return CAddrMan::Find(addr, pnId);
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}
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CAddrInfo* Create(const CAddress& addr, const CNetAddr& addrSource, int* pnId = NULL)
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{
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return CAddrMan::Create(addr, addrSource, pnId);
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}
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void Delete(int nId)
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{
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CAddrMan::Delete(nId);
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}
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// Used to test deserialization
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std::pair<int, int> GetBucketAndEntry(const CAddress& addr)
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{
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// LOCK(cs);
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int nId = mapAddr[addr];
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for (int bucket = 0; bucket < ADDRMAN_NEW_BUCKET_COUNT; ++bucket) {
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for (int entry = 0; entry < ADDRMAN_BUCKET_SIZE; ++entry) {
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if (nId == vvNew[bucket][entry]) {
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return std::pair<int, int>(bucket, entry);
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}
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}
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}
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return std::pair<int, int>(-1, -1);
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}
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void Clear()
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{
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CAddrMan::Clear();
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if (deterministic) {
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nKey.SetNull();
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seed_insecure_rand(true);
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}
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}
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};
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static CNetAddr ResolveIP(const std::string& ip)
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{
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vector<CNetAddr> vIPs;
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CNetAddr addr;
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if (LookupHost(ip.c_str(), vIPs)) {
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addr = vIPs[0];
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} else
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{
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// it was BOOST_CHECK_MESSAGE, but we can't use ASSERT or EXPECT outside a test
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GTEST_COUT_COLOR << strprintf("failed to resolve: %s", ip) << std::endl;
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}
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return addr;
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}
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static CService ResolveService(const std::string& ip, const int port = 0)
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{
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CService serv;
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if (!Lookup(ip.c_str(), serv, port, false))
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GTEST_COUT_COLOR << strprintf("failed to resolve: %s:%i", ip, port) << std::endl;
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return serv;
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}
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static std::vector<bool> FromBytes(const unsigned char* source, int vector_size) {
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std::vector<bool> result(vector_size);
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for (int byte_i = 0; byte_i < vector_size / 8; ++byte_i) {
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unsigned char cur_byte = source[byte_i];
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for (int bit_i = 0; bit_i < 8; ++bit_i) {
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result[byte_i * 8 + bit_i] = (cur_byte >> bit_i) & 1;
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}
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}
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return result;
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}
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namespace TestAddrmanTests {
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TEST(TestAddrmanTests, display_constants) {
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// Not actually the test, just used to display constants
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GTEST_COUT_COLOR << "ADDRMAN_NEW_BUCKET_COUNT = " << ADDRMAN_NEW_BUCKET_COUNT << std::endl;
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GTEST_COUT_COLOR << "ADDRMAN_TRIED_BUCKET_COUNT = " << ADDRMAN_TRIED_BUCKET_COUNT << std::endl;
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GTEST_COUT_COLOR << "ADDRMAN_BUCKET_SIZE = " << ADDRMAN_BUCKET_SIZE << std::endl;
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}
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TEST(TestAddrmanTests, addrman_simple) {
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2");
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// Test 1: Does Addrman respond correctly when empty.
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ASSERT_TRUE(addrman.size() == 0);
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CAddrInfo addr_null = addrman.Select();
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ASSERT_TRUE(addr_null.ToString() == "[::]:0");
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// Test 2: Does Addrman::Add work as expected.
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 1);
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CAddrInfo addr_ret1 = addrman.Select();
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ASSERT_TRUE(addr_ret1.ToString() == "250.1.1.1:8333");
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// Test 3: Does IP address deduplication work correctly.
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// Expected dup IP should not be added.
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CService addr1_dup = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1_dup, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 1);
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// Test 5: New table has one addr and we add a diff addr we should
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// have two addrs.
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CService addr2 = CService("250.1.1.2", 8333);
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 2);
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// Test 6: AddrMan::Clear() should empty the new table.
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addrman.Clear();
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ASSERT_TRUE(addrman.size() == 0);
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CAddrInfo addr_null2 = addrman.Select();
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ASSERT_TRUE(addr_null2.ToString() == "[::]:0");
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}
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TEST(TestAddrmanTests, addrman_ports) {
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2");
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ASSERT_TRUE(addrman.size() == 0);
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// Test 7; Addr with same IP but diff port does not replace existing addr.
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 1);
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CService addr1_port = CService("250.1.1.1", 8334);
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addrman.Add(CAddress(addr1_port, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 1);
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CAddrInfo addr_ret2 = addrman.Select();
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ASSERT_TRUE(addr_ret2.ToString() == "250.1.1.1:8333");
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// Test 8: Add same IP but diff port to tried table, it doesn't get added.
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// Perhaps this is not ideal behavior but it is the current behavior.
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addrman.Good(CAddress(addr1_port, NODE_NONE));
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ASSERT_TRUE(addrman.size() == 1);
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bool newOnly = true;
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CAddrInfo addr_ret3 = addrman.Select(newOnly);
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ASSERT_TRUE(addr_ret3.ToString() == "250.1.1.1:8333");
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}
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TEST(TestAddrmanTests, addrman_select) {
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2");
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// Test 9: Select from new with 1 addr in new.
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CService addr1 = CService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 1);
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bool newOnly = true;
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CAddrInfo addr_ret1 = addrman.Select(newOnly);
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ASSERT_TRUE(addr_ret1.ToString() == "250.1.1.1:8333");
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// Test 10: move addr to tried, select from new expected nothing returned.
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addrman.Good(CAddress(addr1, NODE_NONE));
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ASSERT_TRUE(addrman.size() == 1);
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CAddrInfo addr_ret2 = addrman.Select(newOnly);
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ASSERT_TRUE(addr_ret2.ToString() == "[::]:0");
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CAddrInfo addr_ret3 = addrman.Select();
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ASSERT_TRUE(addr_ret3.ToString() == "250.1.1.1:8333");
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ASSERT_TRUE(addrman.size() == 1);
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// Add three addresses to new table.
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CService addr2 = CService("250.3.1.1", 8333);
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CService addr3 = CService("250.3.2.2", 9999);
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CService addr4 = CService("250.3.3.3", 9999);
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addrman.Add(CAddress(addr2, NODE_NONE), CService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr3, NODE_NONE), CService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr4, NODE_NONE), CService("250.4.1.1", 8333));
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// Add three addresses to tried table.
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CService addr5 = CService("250.4.4.4", 8333);
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CService addr6 = CService("250.4.5.5", 7777);
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CService addr7 = CService("250.4.6.6", 8333);
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addrman.Add(CAddress(addr5, NODE_NONE), CService("250.3.1.1", 8333));
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addrman.Good(CAddress(addr5, NODE_NONE));
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addrman.Add(CAddress(addr6, NODE_NONE), CService("250.3.1.1", 8333));
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addrman.Good(CAddress(addr6, NODE_NONE));
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addrman.Add(CAddress(addr7, NODE_NONE), CService("250.1.1.3", 8333));
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addrman.Good(CAddress(addr7, NODE_NONE));
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// Test 11: 6 addrs + 1 addr from last test = 7.
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ASSERT_TRUE(addrman.size() == 7);
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// Test 12: Select pulls from new and tried regardless of port number.
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ASSERT_TRUE(addrman.Select().ToString() == "250.4.6.6:8333");
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ASSERT_TRUE(addrman.Select().ToString() == "250.3.2.2:9999");
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ASSERT_TRUE(addrman.Select().ToString() == "250.3.3.3:9999");
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ASSERT_TRUE(addrman.Select().ToString() == "250.4.4.4:8333");
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}
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TEST(TestAddrmanTests, addrman_new_collisions)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2");
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ASSERT_TRUE(addrman.size() == 0);
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for (unsigned int i = 1; i < 18; i++) {
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CService addr = CService("250.1.1." + boost::to_string(i));
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addrman.Add(CAddress(addr, NODE_NONE), source);
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//Test 13: No collision in new table yet.
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ASSERT_TRUE(addrman.size() == i);
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}
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//Test 14: new table collision!
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CService addr1 = CService("250.1.1.18");
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 17);
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CService addr2 = CService("250.1.1.19");
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 18);
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}
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TEST(TestAddrmanTests, addrman_tried_collisions)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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CNetAddr source = CNetAddr("252.2.2.2");
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ASSERT_TRUE(addrman.size() == 0);
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for (unsigned int i = 1; i < 80; i++) {
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CService addr = CService("250.1.1." + boost::to_string(i));
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addrman.Add(CAddress(addr, NODE_NONE), source);
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addrman.Good(CAddress(addr, NODE_NONE));
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//Test 15: No collision in tried table yet.
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// GTEST_COUT << addrman.size() << std::endl;
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ASSERT_TRUE(addrman.size() == i);
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}
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//Test 16: tried table collision!
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CService addr1 = CService("250.1.1.80");
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 79);
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CService addr2 = CService("250.1.1.81");
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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ASSERT_TRUE(addrman.size() == 80);
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}
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TEST(TestAddrmanTests, addrman_find)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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ASSERT_TRUE(addrman.size() == 0);
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CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE);
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CAddress addr2 = CAddress(CService("250.1.2.1", 9999), NODE_NONE);
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CAddress addr3 = CAddress(CService("251.255.2.1", 8333), NODE_NONE);
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CNetAddr source1 = CNetAddr("250.1.2.1");
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CNetAddr source2 = CNetAddr("250.1.2.2");
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addrman.Add(addr1, source1);
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addrman.Add(addr2, source2);
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addrman.Add(addr3, source1);
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// Test 17: ensure Find returns an IP matching what we searched on.
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CAddrInfo* info1 = addrman.Find(addr1);
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ASSERT_TRUE(info1);
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if (info1)
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ASSERT_TRUE(info1->ToString() == "250.1.2.1:8333");
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// Test 18; Find does not discriminate by port number.
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CAddrInfo* info2 = addrman.Find(addr2);
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ASSERT_TRUE(info2);
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if (info2)
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ASSERT_TRUE(info2->ToString() == info1->ToString());
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// Test 19: Find returns another IP matching what we searched on.
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CAddrInfo* info3 = addrman.Find(addr3);
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ASSERT_TRUE(info3);
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if (info3)
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ASSERT_TRUE(info3->ToString() == "251.255.2.1:8333");
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}
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TEST(TestAddrmanTests, addrman_create)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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ASSERT_TRUE(addrman.size() == 0);
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CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE);
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CNetAddr source1 = CNetAddr("250.1.2.1");
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int nId;
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CAddrInfo* pinfo = addrman.Create(addr1, source1, &nId);
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// Test 20: The result should be the same as the input addr.
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ASSERT_TRUE(pinfo->ToString() == "250.1.2.1:8333");
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CAddrInfo* info2 = addrman.Find(addr1);
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ASSERT_TRUE(info2->ToString() == "250.1.2.1:8333");
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}
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TEST(TestAddrmanTests, addrman_delete)
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{
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CAddrManTest addrman;
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// Set addrman addr placement to be deterministic.
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addrman.MakeDeterministic();
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ASSERT_TRUE(addrman.size() == 0);
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CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE);
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CNetAddr source1 = CNetAddr("250.1.2.1");
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int nId;
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addrman.Create(addr1, source1, &nId);
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// Test 21: Delete should actually delete the addr.
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ASSERT_TRUE(addrman.size() == 1);
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addrman.Delete(nId);
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ASSERT_TRUE(addrman.size() == 0);
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|
CAddrInfo* info2 = addrman.Find(addr1);
|
|
ASSERT_TRUE(info2 == NULL);
|
|
}
|
|
|
|
TEST(TestAddrmanTests, addrman_getaddr)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
// Set addrman addr placement to be deterministic.
|
|
addrman.MakeDeterministic();
|
|
|
|
// Test 22: Sanity check, GetAddr should never return anything if addrman
|
|
// is empty.
|
|
ASSERT_TRUE(addrman.size() == 0);
|
|
vector<CAddress> vAddr1 = addrman.GetAddr();
|
|
ASSERT_TRUE(vAddr1.size() == 0);
|
|
|
|
CAddress addr1 = CAddress(CService("250.250.2.1", 8333), NODE_NONE);
|
|
addr1.nTime = GetTime(); // Set time so isTerrible = false
|
|
CAddress addr2 = CAddress(CService("250.251.2.2", 9999), NODE_NONE);
|
|
addr2.nTime = GetTime();
|
|
CAddress addr3 = CAddress(CService("251.252.2.3", 8333), NODE_NONE);
|
|
addr3.nTime = GetTime();
|
|
CAddress addr4 = CAddress(CService("252.253.3.4", 8333), NODE_NONE);
|
|
addr4.nTime = GetTime();
|
|
CAddress addr5 = CAddress(CService("252.254.4.5", 8333), NODE_NONE);
|
|
addr5.nTime = GetTime();
|
|
CNetAddr source1 = CNetAddr("250.1.2.1");
|
|
CNetAddr source2 = CNetAddr("250.2.3.3");
|
|
|
|
// Test 23: Ensure GetAddr works with new addresses.
|
|
addrman.Add(addr1, source1);
|
|
addrman.Add(addr2, source2);
|
|
addrman.Add(addr3, source1);
|
|
addrman.Add(addr4, source2);
|
|
addrman.Add(addr5, source1);
|
|
|
|
// GetAddr returns 23% of addresses, 23% of 5 is 1 rounded down.
|
|
ASSERT_TRUE(addrman.GetAddr().size() == 1);
|
|
|
|
// Test 24: Ensure GetAddr works with new and tried addresses.
|
|
addrman.Good(CAddress(addr1, NODE_NONE));
|
|
addrman.Good(CAddress(addr2, NODE_NONE));
|
|
ASSERT_TRUE(addrman.GetAddr().size() == 1);
|
|
|
|
// Test 25: Ensure GetAddr still returns 23% when addrman has many addrs.
|
|
for (unsigned int i = 1; i < (8 * 256); i++) {
|
|
int octet1 = i % 256;
|
|
int octet2 = (i / 256) % 256;
|
|
int octet3 = (i / (256 * 2)) % 256;
|
|
string strAddr = boost::to_string(octet1) + "." + boost::to_string(octet2) + "." + boost::to_string(octet3) + ".23";
|
|
CAddress addr = CAddress(CService(strAddr), NODE_NONE);
|
|
|
|
// Ensure that for all addrs in addrman, isTerrible == false.
|
|
addr.nTime = GetTime();
|
|
addrman.Add(addr, CNetAddr(strAddr));
|
|
if (i % 8 == 0)
|
|
addrman.Good(addr);
|
|
}
|
|
vector<CAddress> vAddr = addrman.GetAddr();
|
|
|
|
size_t percent23 = (addrman.size() * 23) / 100;
|
|
ASSERT_TRUE(vAddr.size() == percent23);
|
|
ASSERT_TRUE(vAddr.size() == 461);
|
|
// (Addrman.size() < number of addresses added) due to address collisons.
|
|
ASSERT_TRUE(addrman.size() == 2007);
|
|
}
|
|
|
|
TEST(TestAddrmanTests, caddrinfo_get_tried_bucket_legacy)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
CAddress addr1 = CAddress(ResolveService("250.1.1.1", 8333), NODE_NONE);
|
|
CAddress addr2 = CAddress(ResolveService("250.1.1.1", 9999), NODE_NONE);
|
|
|
|
CNetAddr source1 = ResolveIP("250.1.1.1");
|
|
|
|
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
|
|
|
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
|
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
|
|
|
std::vector<bool> asmap; // use /16
|
|
|
|
ASSERT_EQ(info1.GetTriedBucket(nKey1, asmap), 40);
|
|
|
|
// Test: Make sure key actually randomizes bucket placement. A fail on
|
|
// this test could be a security issue.
|
|
ASSERT_TRUE(info1.GetTriedBucket(nKey1, asmap) != info1.GetTriedBucket(nKey2, asmap));
|
|
|
|
// Test: Two addresses with same IP but different ports can map to
|
|
// different buckets because they have different keys.
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
|
|
ASSERT_TRUE(info1.GetKey() != info2.GetKey());
|
|
ASSERT_TRUE(info1.GetTriedBucket(nKey1, asmap) != info2.GetTriedBucket(nKey1, asmap));
|
|
|
|
std::set<int> buckets;
|
|
for (int i = 0; i < 255; i++) {
|
|
CAddrInfo infoi = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1." + boost::to_string(i)), NODE_NONE),
|
|
ResolveIP("250.1.1." + boost::to_string(i)));
|
|
int bucket = infoi.GetTriedBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the same /16 prefix should
|
|
// never get more than 8 buckets with legacy grouping
|
|
ASSERT_EQ(buckets.size(), 8U);
|
|
|
|
buckets.clear();
|
|
for (int j = 0; j < 255; j++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("250." + boost::to_string(j) + ".1.1"), NODE_NONE),
|
|
ResolveIP("250." + boost::to_string(j) + ".1.1"));
|
|
int bucket = infoj.GetTriedBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different /16 prefix should map to more than
|
|
// 8 buckets with legacy grouping
|
|
ASSERT_EQ(buckets.size(), 160U);
|
|
}
|
|
|
|
TEST(TestAddrmanTests, caddrinfo_get_new_bucket_legacy)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE);
|
|
CAddress addr2 = CAddress(ResolveService("250.1.2.1", 9999), NODE_NONE);
|
|
|
|
CNetAddr source1 = ResolveIP("250.1.2.1");
|
|
|
|
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
|
|
|
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
|
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
|
|
|
std::vector<bool> asmap; // use /16
|
|
|
|
// Test: Make sure the buckets are what we expect
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, asmap), 786);
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, source1, asmap), 786);
|
|
|
|
// Test: Make sure key actually randomizes bucket placement. A fail on
|
|
// this test could be a security issue.
|
|
ASSERT_TRUE(info1.GetNewBucket(nKey1, asmap) != info1.GetNewBucket(nKey2, asmap));
|
|
|
|
// Test: Ports should not affect bucket placement in the addr
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
ASSERT_TRUE(info1.GetKey() != info2.GetKey());
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, asmap), info2.GetNewBucket(nKey1, asmap));
|
|
|
|
std::set<int> buckets;
|
|
for (int i = 0; i < 255; i++) {
|
|
CAddrInfo infoi = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1." + boost::to_string(i)), NODE_NONE),
|
|
ResolveIP("250.1.1." + boost::to_string(i)));
|
|
int bucket = infoi.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the same group (\16 prefix for IPv4) should
|
|
// always map to the same bucket.
|
|
ASSERT_EQ(buckets.size(), 1U);
|
|
|
|
buckets.clear();
|
|
for (int j = 0; j < 4 * 255; j++) {
|
|
CAddrInfo infoj = CAddrInfo(CAddress(
|
|
ResolveService(
|
|
boost::to_string(250 + (j / 255)) + "." + boost::to_string(j % 256) + ".1.1"), NODE_NONE),
|
|
ResolveIP("251.4.1.1"));
|
|
int bucket = infoj.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the same source groups should map to NO MORE
|
|
// than 64 buckets.
|
|
ASSERT_TRUE(buckets.size() <= 64);
|
|
|
|
buckets.clear();
|
|
for (int p = 0; p < 255; p++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1.1"), NODE_NONE),
|
|
ResolveIP("250." + boost::to_string(p) + ".1.1"));
|
|
int bucket = infoj.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different source groups should map to MORE
|
|
// than 64 buckets.
|
|
ASSERT_TRUE(buckets.size() > 64);
|
|
|
|
}
|
|
|
|
// The following three test cases use asmap_raw[] from asmap.raw file
|
|
// We use an artificial minimal mock mapping
|
|
// 250.0.0.0/8 AS1000
|
|
// 101.1.0.0/16 AS1
|
|
// 101.2.0.0/16 AS2
|
|
// 101.3.0.0/16 AS3
|
|
// 101.4.0.0/16 AS4
|
|
// 101.5.0.0/16 AS5
|
|
// 101.6.0.0/16 AS6
|
|
// 101.7.0.0/16 AS7
|
|
// 101.8.0.0/16 AS8
|
|
|
|
TEST(TestAddrmanTests, caddrinfo_get_tried_bucket)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
CAddress addr1 = CAddress(ResolveService("250.1.1.1", 8333), NODE_NONE);
|
|
CAddress addr2 = CAddress(ResolveService("250.1.1.1", 9999), NODE_NONE);
|
|
|
|
CNetAddr source1 = ResolveIP("250.1.1.1");
|
|
|
|
|
|
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
|
|
|
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
|
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
|
|
|
std::vector<bool> asmap = FromBytes(asmap_raw, sizeof(asmap_raw) * 8);
|
|
|
|
ASSERT_EQ(info1.GetTriedBucket(nKey1, asmap), 236);
|
|
|
|
// Test: Make sure key actually randomizes bucket placement. A fail on
|
|
// this test could be a security issue.
|
|
ASSERT_TRUE(info1.GetTriedBucket(nKey1, asmap) != info1.GetTriedBucket(nKey2, asmap));
|
|
|
|
// Test: Two addresses with same IP but different ports can map to
|
|
// different buckets because they have different keys.
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
|
|
ASSERT_TRUE(info1.GetKey() != info2.GetKey());
|
|
ASSERT_TRUE(info1.GetTriedBucket(nKey1, asmap) != info2.GetTriedBucket(nKey1, asmap));
|
|
|
|
std::set<int> buckets;
|
|
for (int j = 0; j < 255; j++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("101." + boost::to_string(j) + ".1.1"), NODE_NONE),
|
|
ResolveIP("101." + boost::to_string(j) + ".1.1"));
|
|
int bucket = infoj.GetTriedBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different /16 prefix MAY map to more than
|
|
// 8 buckets.
|
|
ASSERT_TRUE(buckets.size() > 8);
|
|
|
|
buckets.clear();
|
|
for (int j = 0; j < 255; j++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("250." + boost::to_string(j) + ".1.1"), NODE_NONE),
|
|
ResolveIP("250." + boost::to_string(j) + ".1.1"));
|
|
int bucket = infoj.GetTriedBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different /16 prefix MAY NOT map to more than
|
|
// 8 buckets.
|
|
ASSERT_TRUE(buckets.size() == 8);
|
|
}
|
|
|
|
TEST(TestAddrmanTests, caddrinfo_get_new_bucket)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE);
|
|
CAddress addr2 = CAddress(ResolveService("250.1.2.1", 9999), NODE_NONE);
|
|
|
|
CNetAddr source1 = ResolveIP("250.1.2.1");
|
|
|
|
CAddrInfo info1 = CAddrInfo(addr1, source1);
|
|
|
|
uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
|
|
uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
|
|
|
|
std::vector<bool> asmap = FromBytes(asmap_raw, sizeof(asmap_raw) * 8);
|
|
|
|
// Test: Make sure the buckets are what we expect
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, asmap), 795);
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, source1, asmap), 795);
|
|
|
|
// Test: Make sure key actually randomizes bucket placement. A fail on
|
|
// this test could be a security issue.
|
|
ASSERT_TRUE(info1.GetNewBucket(nKey1, asmap) != info1.GetNewBucket(nKey2, asmap));
|
|
|
|
// Test: Ports should not affect bucket placement in the addr
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
ASSERT_TRUE(info1.GetKey() != info2.GetKey());
|
|
ASSERT_EQ(info1.GetNewBucket(nKey1, asmap), info2.GetNewBucket(nKey1, asmap));
|
|
|
|
std::set<int> buckets;
|
|
for (int i = 0; i < 255; i++) {
|
|
CAddrInfo infoi = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1." + boost::to_string(i)), NODE_NONE),
|
|
ResolveIP("250.1.1." + boost::to_string(i)));
|
|
int bucket = infoi.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the same /16 prefix
|
|
// usually map to the same bucket.
|
|
ASSERT_EQ(buckets.size(), 1U);
|
|
|
|
buckets.clear();
|
|
for (int j = 0; j < 4 * 255; j++) {
|
|
CAddrInfo infoj = CAddrInfo(CAddress(
|
|
ResolveService(
|
|
boost::to_string(250 + (j / 255)) + "." + boost::to_string(j % 256) + ".1.1"), NODE_NONE),
|
|
ResolveIP("251.4.1.1"));
|
|
int bucket = infoj.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the same source /16 prefix should not map to more
|
|
// than 64 buckets.
|
|
ASSERT_TRUE(buckets.size() <= 64);
|
|
|
|
buckets.clear();
|
|
for (int p = 0; p < 255; p++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1.1"), NODE_NONE),
|
|
ResolveIP("101." + boost::to_string(p) + ".1.1"));
|
|
int bucket = infoj.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different source /16 prefixes usually map to MORE
|
|
// than 1 bucket.
|
|
ASSERT_TRUE(buckets.size() > 1);
|
|
|
|
buckets.clear();
|
|
for (int p = 0; p < 255; p++) {
|
|
CAddrInfo infoj = CAddrInfo(
|
|
CAddress(ResolveService("250.1.1.1"), NODE_NONE),
|
|
ResolveIP("250." + boost::to_string(p) + ".1.1"));
|
|
int bucket = infoj.GetNewBucket(nKey1, asmap);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test: IP addresses in the different source /16 prefixes sometimes map to NO MORE
|
|
// than 1 bucket.
|
|
ASSERT_TRUE(buckets.size() == 1);
|
|
}
|
|
|
|
TEST(TestAddrmanTests, addrman_serialization)
|
|
{
|
|
std::vector<bool> asmap1 = FromBytes(asmap_raw, sizeof(asmap_raw) * 8);
|
|
|
|
CAddrManTest addrman_asmap1(true, asmap1);
|
|
CAddrManTest addrman_asmap1_dup(true, asmap1);
|
|
CAddrManTest addrman_noasmap;
|
|
CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
|
|
|
|
CAddress addr = CAddress(ResolveService("250.1.1.1"), NODE_NONE);
|
|
CNetAddr default_source;
|
|
|
|
addrman_asmap1.Add(addr, default_source);
|
|
|
|
stream << addrman_asmap1;
|
|
// serizalizing/deserializing addrman with the same asmap
|
|
stream >> addrman_asmap1_dup;
|
|
|
|
std::pair<int, int> bucketAndEntry_asmap1 = addrman_asmap1.GetBucketAndEntry(addr);
|
|
std::pair<int, int> bucketAndEntry_asmap1_dup = addrman_asmap1_dup.GetBucketAndEntry(addr);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1.second != -1);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1_dup.second != -1);
|
|
|
|
ASSERT_TRUE(bucketAndEntry_asmap1.first == bucketAndEntry_asmap1_dup.first);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1.second == bucketAndEntry_asmap1_dup.second);
|
|
|
|
// deserializing asmaped peers.dat to non-asmaped addrman
|
|
stream << addrman_asmap1;
|
|
stream >> addrman_noasmap;
|
|
std::pair<int, int> bucketAndEntry_noasmap = addrman_noasmap.GetBucketAndEntry(addr);
|
|
ASSERT_TRUE(bucketAndEntry_noasmap.second != -1);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1.first != bucketAndEntry_noasmap.first);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1.second != bucketAndEntry_noasmap.second);
|
|
|
|
// deserializing non-asmaped peers.dat to asmaped addrman
|
|
addrman_asmap1.Clear();
|
|
addrman_noasmap.Clear();
|
|
addrman_noasmap.Add(addr, default_source);
|
|
// GTEST_COUT_COLOR << addr.ToString() << " - " << default_source.ToString() << " - " << addrman_noasmap.size() << std::endl;
|
|
// addrman_noasmap.PrintInternals();
|
|
stream << addrman_noasmap;
|
|
// std::string strHex = HexStr(stream.begin(), stream.end());
|
|
// GTEST_COUT_COLOR << strHex << std::endl;
|
|
|
|
stream >> addrman_asmap1;
|
|
std::pair<int, int> bucketAndEntry_asmap1_deser = addrman_asmap1.GetBucketAndEntry(addr);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1_deser.second != -1);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1_deser.first != bucketAndEntry_noasmap.first);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1_deser.first == bucketAndEntry_asmap1_dup.first);
|
|
ASSERT_TRUE(bucketAndEntry_asmap1_deser.second == bucketAndEntry_asmap1_dup.second);
|
|
|
|
// used to map to different buckets, now maps to the same bucket.
|
|
addrman_asmap1.Clear();
|
|
addrman_noasmap.Clear();
|
|
CAddress addr1 = CAddress(ResolveService("250.1.1.1"), NODE_NONE);
|
|
CAddress addr2 = CAddress(ResolveService("250.2.1.1"), NODE_NONE);
|
|
addrman_noasmap.Add(addr, default_source);
|
|
addrman_noasmap.Add(addr2, default_source);
|
|
std::pair<int, int> bucketAndEntry_noasmap_addr1 = addrman_noasmap.GetBucketAndEntry(addr1);
|
|
std::pair<int, int> bucketAndEntry_noasmap_addr2 = addrman_noasmap.GetBucketAndEntry(addr2);
|
|
ASSERT_TRUE(bucketAndEntry_noasmap_addr1.first != bucketAndEntry_noasmap_addr2.first);
|
|
ASSERT_TRUE(bucketAndEntry_noasmap_addr1.second != bucketAndEntry_noasmap_addr2.second);
|
|
stream << addrman_noasmap;
|
|
stream >> addrman_asmap1;
|
|
std::pair<int, int> bucketAndEntry_asmap1_deser_addr1 = addrman_asmap1.GetBucketAndEntry(addr1);
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std::pair<int, int> bucketAndEntry_asmap1_deser_addr2 = addrman_asmap1.GetBucketAndEntry(addr2);
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ASSERT_TRUE(bucketAndEntry_asmap1_deser_addr1.first == bucketAndEntry_asmap1_deser_addr2.first);
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ASSERT_TRUE(bucketAndEntry_asmap1_deser_addr1.second != bucketAndEntry_asmap1_deser_addr2.second);
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}
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}
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