b82b9787d2
* net: Split resolving out of CNetAddr * net: Split resolving out of CService * net: Split resolving out of CSubNet * net: move CNetAddr/CService/CSubNet out of netbase * net: narrow include scope after moving to netaddress Net functionality is no longer needed for CAddress/CAddrman/etc. now that CNetAddr/CService/CSubNet are dumb storage classes. * net: Add direct tests for new CSubNet constructors * net: Have LookupNumeric return a CService directly Also fix up a few small issues: - Lookup with "badip:port" now sets the port to 0 - Don't allow assert to have side-effects * net: fixup nits
546 lines
18 KiB
C++
546 lines
18 KiB
C++
// Copyright (c) 2012-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "addrman.h"
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#include "test/test_dash.h"
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#include <string>
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#include <boost/test/unit_test.hpp>
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#include "hash.h"
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#include "netbase.h"
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#include "random.h"
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using namespace std;
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class CAddrManTest : public CAddrMan
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{
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uint64_t state;
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public:
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CAddrManTest()
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{
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state = 1;
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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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};
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static CNetAddr ResolveIP(const char* ip)
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{
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CNetAddr addr;
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BOOST_CHECK_MESSAGE(LookupHost(ip, addr, false), strprintf("failed to resolve: %s", ip));
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return addr;
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}
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static CNetAddr ResolveIP(std::string ip)
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{
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return ResolveIP(ip.c_str());
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}
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static CService ResolveService(const char* ip, int port = 0)
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{
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CService serv;
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BOOST_CHECK_MESSAGE(Lookup(ip, serv, port, false), strprintf("failed to resolve: %s:%i", ip, port));
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return serv;
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}
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static CService ResolveService(std::string ip, int port = 0)
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{
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return ResolveService(ip.c_str(), port);
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}
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BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup)
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BOOST_AUTO_TEST_CASE(addrman_simple)
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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 = ResolveIP("252.2.2.2");
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// Test 1: Does Addrman respond correctly when empty.
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BOOST_CHECK(addrman.size() == 0);
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CAddrInfo addr_null = addrman.Select();
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BOOST_CHECK(addr_null.ToString() == "[::]:0");
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// Test 2: Does Addrman::Add work as expected.
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CService addr1 = ResolveService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 1);
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CAddrInfo addr_ret1 = addrman.Select();
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BOOST_CHECK(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 = ResolveService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1_dup, NODE_NONE), source);
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BOOST_CHECK(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 = ResolveService("250.1.1.2", 8333);
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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BOOST_CHECK(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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BOOST_CHECK(addrman.size() == 0);
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CAddrInfo addr_null2 = addrman.Select();
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BOOST_CHECK(addr_null2.ToString() == "[::]:0");
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}
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BOOST_AUTO_TEST_CASE(addrman_ports)
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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 = ResolveIP("252.2.2.2");
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BOOST_CHECK(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 = ResolveService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 1);
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CService addr1_port = ResolveService("250.1.1.1", 8334);
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addrman.Add(CAddress(addr1_port, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 1);
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CAddrInfo addr_ret2 = addrman.Select();
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BOOST_CHECK(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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BOOST_CHECK(addrman.size() == 1);
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bool newOnly = true;
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CAddrInfo addr_ret3 = addrman.Select(newOnly);
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BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
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}
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BOOST_AUTO_TEST_CASE(addrman_select)
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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 = ResolveIP("252.2.2.2");
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// Test 9: Select from new with 1 addr in new.
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CService addr1 = ResolveService("250.1.1.1", 8333);
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 1);
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bool newOnly = true;
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CAddrInfo addr_ret1 = addrman.Select(newOnly);
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BOOST_CHECK(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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BOOST_CHECK(addrman.size() == 1);
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CAddrInfo addr_ret2 = addrman.Select(newOnly);
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BOOST_CHECK(addr_ret2.ToString() == "[::]:0");
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CAddrInfo addr_ret3 = addrman.Select();
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BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
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BOOST_CHECK(addrman.size() == 1);
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// Add three addresses to new table.
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CService addr2 = ResolveService("250.3.1.1", 8333);
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CService addr3 = ResolveService("250.3.2.2", 9999);
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CService addr4 = ResolveService("250.3.3.3", 9999);
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addrman.Add(CAddress(addr2, NODE_NONE), ResolveService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr3, NODE_NONE), ResolveService("250.3.1.1", 8333));
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addrman.Add(CAddress(addr4, NODE_NONE), ResolveService("250.4.1.1", 8333));
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// Add three addresses to tried table.
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CService addr5 = ResolveService("250.4.4.4", 8333);
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CService addr6 = ResolveService("250.4.5.5", 7777);
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CService addr7 = ResolveService("250.4.6.6", 8333);
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addrman.Add(CAddress(addr5, NODE_NONE), ResolveService("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), ResolveService("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), ResolveService("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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BOOST_CHECK(addrman.size() == 7);
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// Test 12: Select pulls from new and tried regardless of port number.
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BOOST_CHECK(addrman.Select().ToString() == "250.4.6.6:8333");
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BOOST_CHECK(addrman.Select().ToString() == "250.3.2.2:9999");
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BOOST_CHECK(addrman.Select().ToString() == "250.3.3.3:9999");
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BOOST_CHECK(addrman.Select().ToString() == "250.4.4.4:8333");
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}
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BOOST_AUTO_TEST_CASE(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 = ResolveIP("252.2.2.2");
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BOOST_CHECK(addrman.size() == 0);
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for (unsigned int i = 1; i < 18; i++) {
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CService addr = ResolveService("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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BOOST_CHECK(addrman.size() == i);
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}
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//Test 14: new table collision!
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CService addr1 = ResolveService("250.1.1.18");
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 17);
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CService addr2 = ResolveService("250.1.1.19");
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 18);
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}
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BOOST_AUTO_TEST_CASE(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 = ResolveIP("252.2.2.2");
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BOOST_CHECK(addrman.size() == 0);
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for (unsigned int i = 1; i < 80; i++) {
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CService addr = ResolveService("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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BOOST_TEST_MESSAGE(addrman.size());
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BOOST_CHECK(addrman.size() == i);
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}
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//Test 16: tried table collision!
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CService addr1 = ResolveService("250.1.1.80");
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addrman.Add(CAddress(addr1, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 79);
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CService addr2 = ResolveService("250.1.1.81");
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addrman.Add(CAddress(addr2, NODE_NONE), source);
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BOOST_CHECK(addrman.size() == 80);
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}
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BOOST_AUTO_TEST_CASE(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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BOOST_CHECK(addrman.size() == 0);
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CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE);
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CAddress addr2 = CAddress(ResolveService("250.1.2.1", 9999), NODE_NONE);
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CAddress addr3 = CAddress(ResolveService("251.255.2.1", 8333), NODE_NONE);
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CNetAddr source1 = ResolveIP("250.1.2.1");
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CNetAddr source2 = ResolveIP("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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BOOST_CHECK(info1);
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if (info1)
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BOOST_CHECK(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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BOOST_CHECK(info2);
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if (info2)
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BOOST_CHECK(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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BOOST_CHECK(info3);
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if (info3)
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BOOST_CHECK(info3->ToString() == "251.255.2.1:8333");
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}
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BOOST_AUTO_TEST_CASE(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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BOOST_CHECK(addrman.size() == 0);
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CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE);
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CNetAddr source1 = ResolveIP("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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BOOST_CHECK(pinfo->ToString() == "250.1.2.1:8333");
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CAddrInfo* info2 = addrman.Find(addr1);
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BOOST_CHECK(info2->ToString() == "250.1.2.1:8333");
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}
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BOOST_AUTO_TEST_CASE(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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BOOST_CHECK(addrman.size() == 0);
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CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE);
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CNetAddr source1 = ResolveIP("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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BOOST_CHECK(addrman.size() == 1);
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addrman.Delete(nId);
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BOOST_CHECK(addrman.size() == 0);
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CAddrInfo* info2 = addrman.Find(addr1);
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BOOST_CHECK(info2 == NULL);
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}
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BOOST_AUTO_TEST_CASE(addrman_getaddr)
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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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// Test 22: Sanity check, GetAddr should never return anything if addrman
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// is empty.
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BOOST_CHECK(addrman.size() == 0);
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vector<CAddress> vAddr1 = addrman.GetAddr();
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BOOST_CHECK(vAddr1.size() == 0);
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CAddress addr1 = CAddress(ResolveService("250.250.2.1", 8333), NODE_NONE);
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addr1.nTime = GetAdjustedTime(); // Set time so isTerrible = false
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CAddress addr2 = CAddress(ResolveService("250.251.2.2", 9999), NODE_NONE);
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addr2.nTime = GetAdjustedTime();
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CAddress addr3 = CAddress(ResolveService("251.252.2.3", 8333), NODE_NONE);
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addr3.nTime = GetAdjustedTime();
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CAddress addr4 = CAddress(ResolveService("252.253.3.4", 8333), NODE_NONE);
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addr4.nTime = GetAdjustedTime();
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CAddress addr5 = CAddress(ResolveService("252.254.4.5", 8333), NODE_NONE);
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addr5.nTime = GetAdjustedTime();
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CNetAddr source1 = ResolveIP("250.1.2.1");
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CNetAddr source2 = ResolveIP("250.2.3.3");
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// Test 23: Ensure GetAddr works with new addresses.
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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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addrman.Add(addr4, source2);
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addrman.Add(addr5, source1);
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// GetAddr returns 23% of addresses, 23% of 5 is 1 rounded down.
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BOOST_CHECK(addrman.GetAddr().size() == 1);
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// Test 24: Ensure GetAddr works with new and tried addresses.
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addrman.Good(CAddress(addr1, NODE_NONE));
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addrman.Good(CAddress(addr2, NODE_NONE));
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BOOST_CHECK(addrman.GetAddr().size() == 1);
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// Test 25: Ensure GetAddr still returns 23% when addrman has many addrs.
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for (unsigned int i = 1; i < (8 * 256); i++) {
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int octet1 = i % 256;
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int octet2 = (i / 256) % 256;
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int octet3 = (i / (256 * 2)) % 256;
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string strAddr = boost::to_string(octet1) + "." + boost::to_string(octet2) + "." + boost::to_string(octet3) + ".23";
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CAddress addr = CAddress(ResolveService(strAddr), NODE_NONE);
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// Ensure that for all addrs in addrman, isTerrible == false.
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addr.nTime = GetAdjustedTime();
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addrman.Add(addr, ResolveIP(strAddr));
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if (i % 8 == 0)
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addrman.Good(addr);
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}
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vector<CAddress> vAddr = addrman.GetAddr();
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size_t percent23 = (addrman.size() * 23) / 100;
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BOOST_CHECK(vAddr.size() == percent23);
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BOOST_CHECK(vAddr.size() == 461);
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// (Addrman.size() < number of addresses added) due to address collisons.
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BOOST_CHECK(addrman.size() == 2007);
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}
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BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket)
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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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CAddress addr1 = CAddress(ResolveService("250.1.1.1", 8333), NODE_NONE);
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CAddress addr2 = CAddress(ResolveService("250.1.1.1", 9999), NODE_NONE);
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CNetAddr source1 = ResolveIP("250.1.1.1");
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CAddrInfo info1 = CAddrInfo(addr1, source1);
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uint256 nKey1 = (uint256)(CHashWriter(SER_GETHASH, 0) << 1).GetHash();
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uint256 nKey2 = (uint256)(CHashWriter(SER_GETHASH, 0) << 2).GetHash();
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BOOST_CHECK(info1.GetTriedBucket(nKey1) == 40);
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// Test 26: Make sure key actually randomizes bucket placement. A fail on
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// this test could be a security issue.
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BOOST_CHECK(info1.GetTriedBucket(nKey1) != info1.GetTriedBucket(nKey2));
|
|
|
|
// Test 27: Two addresses with same IP but different ports can map to
|
|
// different buckets because they have different keys.
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
|
|
BOOST_CHECK(info1.GetKey() != info2.GetKey());
|
|
BOOST_CHECK(info1.GetTriedBucket(nKey1) != info2.GetTriedBucket(nKey1));
|
|
|
|
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);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test 28: IP addresses in the same group (\16 prefix for IPv4) should
|
|
// never get more than 8 buckets
|
|
BOOST_CHECK(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);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test 29: IP addresses in the different groups should map to more than
|
|
// 8 buckets.
|
|
BOOST_CHECK(buckets.size() == 160);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket)
|
|
{
|
|
CAddrManTest addrman;
|
|
|
|
// Set addrman addr placement to be deterministic.
|
|
addrman.MakeDeterministic();
|
|
|
|
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();
|
|
|
|
BOOST_CHECK(info1.GetNewBucket(nKey1) == 786);
|
|
|
|
// Test 30: Make sure key actually randomizes bucket placement. A fail on
|
|
// this test could be a security issue.
|
|
BOOST_CHECK(info1.GetNewBucket(nKey1) != info1.GetNewBucket(nKey2));
|
|
|
|
// Test 31: Ports should not effect bucket placement in the addr
|
|
CAddrInfo info2 = CAddrInfo(addr2, source1);
|
|
BOOST_CHECK(info1.GetKey() != info2.GetKey());
|
|
BOOST_CHECK(info1.GetNewBucket(nKey1) == info2.GetNewBucket(nKey1));
|
|
|
|
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);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test 32: IP addresses in the same group (\16 prefix for IPv4) should
|
|
// always map to the same bucket.
|
|
BOOST_CHECK(buckets.size() == 1);
|
|
|
|
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);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test 33: IP addresses in the same source groups should map to no more
|
|
// than 64 buckets.
|
|
BOOST_CHECK(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);
|
|
buckets.insert(bucket);
|
|
}
|
|
// Test 34: IP addresses in the different source groups should map to more
|
|
// than 64 buckets.
|
|
BOOST_CHECK(buckets.size() > 64);
|
|
}
|
|
BOOST_AUTO_TEST_SUITE_END() |