From 31d6b1d5f0414d8b356d8cb9c99961d8a04d6c0a Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 13:05:52 -0400 Subject: [PATCH 1/8] net: Split resolving out of CNetAddr --- src/net.cpp | 11 ++- src/netbase.cpp | 26 +++---- src/netbase.h | 3 +- src/qt/rpcconsole.cpp | 5 +- src/rpc/net.cpp | 7 +- src/test/addrman_tests.cpp | 62 +++++++++------ src/test/net_tests.cpp | 4 +- src/test/netbase_tests.cpp | 154 ++++++++++++++++++++----------------- 8 files changed, 153 insertions(+), 119 deletions(-) diff --git a/src/net.cpp b/src/net.cpp index 4cbc43e4d..8725346fe 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1396,8 +1396,11 @@ void ThreadMapPort() { if(externalIPAddress[0]) { - LogPrintf("UPnP: ExternalIPAddress = %s\n", externalIPAddress); - AddLocal(CNetAddr(externalIPAddress), LOCAL_UPNP); + CNetAddr resolved; + if(LookupHost(externalIPAddress, resolved, false)) { + LogPrintf("UPnP: ExternalIPAddress = %s\n", resolved.ToString().c_str()); + AddLocal(resolved, LOCAL_UPNP); + } } else LogPrintf("UPnP: GetExternalIPAddress failed.\n"); @@ -1623,7 +1626,9 @@ void ThreadOpenConnections() static bool done = false; if (!done) { LogPrintf("Adding fixed seed nodes as DNS doesn't seem to be available.\n"); - addrman.Add(convertSeed6(Params().FixedSeeds()), CNetAddr("127.0.0.1")); + CNetAddr local; + LookupHost("127.0.0.1", local, false); + addrman.Add(convertSeed6(Params().FixedSeeds()), local); done = true; } } diff --git a/src/netbase.cpp b/src/netbase.cpp index e2a516986..bb16dd043 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -195,6 +195,16 @@ bool LookupHost(const char *pszName, std::vector& vIP, unsigned int nM return LookupIntern(strHost.c_str(), vIP, nMaxSolutions, fAllowLookup); } +bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup) +{ + std::vector vIP; + LookupHost(pszName, vIP, 1, fAllowLookup); + if(vIP.empty()) + return false; + addr = vIP.front(); + return true; +} + bool Lookup(const char *pszName, std::vector& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions) { if (pszName[0] == 0) @@ -695,22 +705,6 @@ CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr, const uint32_t scope) scopeId = scope; } -CNetAddr::CNetAddr(const char *pszIp) -{ - Init(); - std::vector vIP; - if (LookupHost(pszIp, vIP, 1, false)) - *this = vIP[0]; -} - -CNetAddr::CNetAddr(const std::string &strIp) -{ - Init(); - std::vector vIP; - if (LookupHost(strIp.c_str(), vIP, 1, false)) - *this = vIP[0]; -} - unsigned int CNetAddr::GetByte(int n) const { return ip[15-n]; diff --git a/src/netbase.h b/src/netbase.h index 65187a17c..0deca02ca 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -49,8 +49,6 @@ class CNetAddr public: CNetAddr(); CNetAddr(const struct in_addr& ipv4Addr); - explicit CNetAddr(const char *pszIp); - explicit CNetAddr(const std::string &strIp); void Init(); void SetIP(const CNetAddr& ip); @@ -207,6 +205,7 @@ bool IsProxy(const CNetAddr &addr); bool SetNameProxy(const proxyType &addrProxy); bool HaveNameProxy(); bool LookupHost(const char *pszName, std::vector& vIP, unsigned int nMaxSolutions, bool fAllowLookup); +bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup); bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup); bool Lookup(const char *pszName, std::vector& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions); bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index 650ff8b00..e7df4f2df 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -898,7 +898,10 @@ void RPCConsole::banSelectedNode(int bantime) int port = 0; SplitHostPort(nStr, port, addr); - CNode::Ban(CNetAddr(addr), BanReasonManuallyAdded, bantime); + CNetAddr resolved; + if(!LookupHost(addr.c_str(), resolved, false)) + return; + CNode::Ban(resolved, BanReasonManuallyAdded, bantime); clearSelectedNode(); clientModel->getBanTableModel()->refresh(); diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp index b85c7b2e1..c23becd4a 100644 --- a/src/rpc/net.cpp +++ b/src/rpc/net.cpp @@ -494,8 +494,11 @@ UniValue setban(const UniValue& params, bool fHelp) if (params[0].get_str().find("/") != string::npos) isSubnet = true; - if (!isSubnet) - netAddr = CNetAddr(params[0].get_str()); + if (!isSubnet) { + CNetAddr resolved; + LookupHost(params[0].get_str().c_str(), resolved, false); + netAddr = resolved; + } else subNet = CSubNet(params[0].get_str()); diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp index b6cec24b5..fd9666f53 100644 --- a/src/test/addrman_tests.cpp +++ b/src/test/addrman_tests.cpp @@ -50,6 +50,18 @@ public: } }; +static CNetAddr ResolveIP(const char* ip) +{ + CNetAddr addr; + BOOST_CHECK_MESSAGE(LookupHost(ip, addr, false), strprintf("failed to resolve: %s", ip)); + return addr; +} + +static CNetAddr ResolveIP(std::string ip) +{ + return ResolveIP(ip.c_str()); +} + BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup) BOOST_AUTO_TEST_CASE(addrman_simple) @@ -59,7 +71,7 @@ BOOST_AUTO_TEST_CASE(addrman_simple) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CNetAddr source = CNetAddr("252.2.2.2"); + CNetAddr source = ResolveIP("252.2.2.2"); // Test 1: Does Addrman respond correctly when empty. BOOST_CHECK(addrman.size() == 0); @@ -100,7 +112,7 @@ BOOST_AUTO_TEST_CASE(addrman_ports) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CNetAddr source = CNetAddr("252.2.2.2"); + CNetAddr source = ResolveIP("252.2.2.2"); BOOST_CHECK(addrman.size() == 0); @@ -132,7 +144,7 @@ BOOST_AUTO_TEST_CASE(addrman_select) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CNetAddr source = CNetAddr("252.2.2.2"); + CNetAddr source = ResolveIP("252.2.2.2"); // Test 9: Select from new with 1 addr in new. CService addr1 = CService("250.1.1.1", 8333); @@ -160,20 +172,20 @@ BOOST_AUTO_TEST_CASE(addrman_select) CService addr3 = CService("250.3.2.2", 9999); CService addr4 = CService("250.3.3.3", 9999); - addrman.Add(CAddress(addr2, NODE_NONE), CService("250.3.1.1", 8333)); - addrman.Add(CAddress(addr3, NODE_NONE), CService("250.3.1.1", 8333)); - addrman.Add(CAddress(addr4, NODE_NONE), CService("250.4.1.1", 8333)); + addrman.Add(CAddress(addr2, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); + addrman.Add(CAddress(addr3, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); + addrman.Add(CAddress(addr4, NODE_NONE), CService("250.4.1.1", 8333), NODE_NONE); // Add three addresses to tried table. CService addr5 = CService("250.4.4.4", 8333); CService addr6 = CService("250.4.5.5", 7777); CService addr7 = CService("250.4.6.6", 8333); - addrman.Add(CAddress(addr5, NODE_NONE), CService("250.3.1.1", 8333)); + addrman.Add(CAddress(addr5, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); addrman.Good(CAddress(addr5, NODE_NONE)); - addrman.Add(CAddress(addr6, NODE_NONE), CService("250.3.1.1", 8333)); + addrman.Add(CAddress(addr6, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); addrman.Good(CAddress(addr6, NODE_NONE)); - addrman.Add(CAddress(addr7, NODE_NONE), CService("250.1.1.3", 8333)); + addrman.Add(CAddress(addr7, NODE_NONE), CService("250.1.1.3", 8333), NODE_NONE); addrman.Good(CAddress(addr7, NODE_NONE)); // Test 11: 6 addrs + 1 addr from last test = 7. @@ -193,7 +205,7 @@ BOOST_AUTO_TEST_CASE(addrman_new_collisions) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CNetAddr source = CNetAddr("252.2.2.2"); + CNetAddr source = ResolveIP("252.2.2.2"); BOOST_CHECK(addrman.size() == 0); @@ -222,7 +234,7 @@ BOOST_AUTO_TEST_CASE(addrman_tried_collisions) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CNetAddr source = CNetAddr("252.2.2.2"); + CNetAddr source = ResolveIP("252.2.2.2"); BOOST_CHECK(addrman.size() == 0); @@ -259,8 +271,8 @@ BOOST_AUTO_TEST_CASE(addrman_find) CAddress addr2 = CAddress(CService("250.1.2.1", 9999), NODE_NONE); CAddress addr3 = CAddress(CService("251.255.2.1", 8333), NODE_NONE); - CNetAddr source1 = CNetAddr("250.1.2.1"); - CNetAddr source2 = CNetAddr("250.1.2.2"); + CNetAddr source1 = ResolveIP("250.1.2.1"); + CNetAddr source2 = ResolveIP("250.1.2.2"); addrman.Add(addr1, source1); addrman.Add(addr2, source2); @@ -295,7 +307,7 @@ BOOST_AUTO_TEST_CASE(addrman_create) BOOST_CHECK(addrman.size() == 0); CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); - CNetAddr source1 = CNetAddr("250.1.2.1"); + CNetAddr source1 = ResolveIP("250.1.2.1"); int nId; CAddrInfo* pinfo = addrman.Create(addr1, source1, &nId); @@ -318,7 +330,7 @@ BOOST_AUTO_TEST_CASE(addrman_delete) BOOST_CHECK(addrman.size() == 0); CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); - CNetAddr source1 = CNetAddr("250.1.2.1"); + CNetAddr source1 = ResolveIP("250.1.2.1"); int nId; addrman.Create(addr1, source1, &nId); @@ -354,8 +366,8 @@ BOOST_AUTO_TEST_CASE(addrman_getaddr) addr4.nTime = GetAdjustedTime(); CAddress addr5 = CAddress(CService("252.254.4.5", 8333), NODE_NONE); addr5.nTime = GetAdjustedTime(); - CNetAddr source1 = CNetAddr("250.1.2.1"); - CNetAddr source2 = CNetAddr("250.2.3.3"); + CNetAddr source1 = ResolveIP("250.1.2.1"); + CNetAddr source2 = ResolveIP("250.2.3.3"); // Test 23: Ensure GetAddr works with new addresses. addrman.Add(addr1, source1); @@ -382,7 +394,7 @@ BOOST_AUTO_TEST_CASE(addrman_getaddr) // Ensure that for all addrs in addrman, isTerrible == false. addr.nTime = GetAdjustedTime(); - addrman.Add(addr, CNetAddr(strAddr)); + addrman.Add(addr, ResolveIP(strAddr)); if (i % 8 == 0) addrman.Good(addr); } @@ -406,7 +418,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) CAddress addr1 = CAddress(CService("250.1.1.1", 8333), NODE_NONE); CAddress addr2 = CAddress(CService("250.1.1.1", 9999), NODE_NONE); - CNetAddr source1 = CNetAddr("250.1.1.1"); + CNetAddr source1 = ResolveIP("250.1.1.1"); CAddrInfo info1 = CAddrInfo(addr1, source1); @@ -432,7 +444,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) for (int i = 0; i < 255; i++) { CAddrInfo infoi = CAddrInfo( CAddress(CService("250.1.1." + boost::to_string(i)), NODE_NONE), - CNetAddr("250.1.1." + boost::to_string(i))); + ResolveIP("250.1.1." + boost::to_string(i))); int bucket = infoi.GetTriedBucket(nKey1); buckets.insert(bucket); } @@ -444,7 +456,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) for (int j = 0; j < 255; j++) { CAddrInfo infoj = CAddrInfo( CAddress(CService("250." + boost::to_string(j) + ".1.1"), NODE_NONE), - CNetAddr("250." + boost::to_string(j) + ".1.1")); + ResolveIP("250." + boost::to_string(j) + ".1.1")); int bucket = infoj.GetTriedBucket(nKey1); buckets.insert(bucket); } @@ -463,7 +475,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); CAddress addr2 = CAddress(CService("250.1.2.1", 9999), NODE_NONE); - CNetAddr source1 = CNetAddr("250.1.2.1"); + CNetAddr source1 = ResolveIP("250.1.2.1"); CAddrInfo info1 = CAddrInfo(addr1, source1); @@ -485,7 +497,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) for (int i = 0; i < 255; i++) { CAddrInfo infoi = CAddrInfo( CAddress(CService("250.1.1." + boost::to_string(i)), NODE_NONE), - CNetAddr("250.1.1." + boost::to_string(i))); + ResolveIP("250.1.1." + boost::to_string(i))); int bucket = infoi.GetNewBucket(nKey1); buckets.insert(bucket); } @@ -498,7 +510,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) CAddrInfo infoj = CAddrInfo(CAddress( CService( boost::to_string(250 + (j / 255)) + "." + boost::to_string(j % 256) + ".1.1"), NODE_NONE), - CNetAddr("251.4.1.1")); + ResolveIP("251.4.1.1")); int bucket = infoj.GetNewBucket(nKey1); buckets.insert(bucket); } @@ -510,7 +522,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) for (int p = 0; p < 255; p++) { CAddrInfo infoj = CAddrInfo( CAddress(CService("250.1.1.1"), NODE_NONE), - CNetAddr("250." + boost::to_string(p) + ".1.1")); + ResolveIP("250." + boost::to_string(p) + ".1.1")); int bucket = infoj.GetNewBucket(nKey1); buckets.insert(bucket); } diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp index d005d6a16..511073499 100644 --- a/src/test/net_tests.cpp +++ b/src/test/net_tests.cpp @@ -52,7 +52,9 @@ public: s << nUBuckets; CAddress addr = CAddress(CService("252.1.1.1", 7777), NODE_NONE); - CAddrInfo info = CAddrInfo(addr, CNetAddr("252.2.2.2")); + CNetAddr resolved; + LookupHost("252.2.2.2", resolved, false); + CAddrInfo info = CAddrInfo(addr, resolved); s << info; } }; diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp index 4168f75e9..556c64f22 100644 --- a/src/test/netbase_tests.cpp +++ b/src/test/netbase_tests.cpp @@ -14,37 +14,47 @@ using namespace std; BOOST_FIXTURE_TEST_SUITE(netbase_tests, BasicTestingSetup) +static CNetAddr ResolveIP(const char* ip) +{ + CNetAddr addr; + LookupHost(ip, addr, false); + return addr; +} + BOOST_AUTO_TEST_CASE(netbase_networks) { - BOOST_CHECK(CNetAddr("127.0.0.1").GetNetwork() == NET_UNROUTABLE); - BOOST_CHECK(CNetAddr("::1").GetNetwork() == NET_UNROUTABLE); - BOOST_CHECK(CNetAddr("8.8.8.8").GetNetwork() == NET_IPV4); - BOOST_CHECK(CNetAddr("2001::8888").GetNetwork() == NET_IPV6); - BOOST_CHECK(CNetAddr("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").GetNetwork() == NET_TOR); + BOOST_CHECK(ResolveIP("127.0.0.1").GetNetwork() == NET_UNROUTABLE); + BOOST_CHECK(ResolveIP("::1").GetNetwork() == NET_UNROUTABLE); + BOOST_CHECK(ResolveIP("8.8.8.8").GetNetwork() == NET_IPV4); + BOOST_CHECK(ResolveIP("2001::8888").GetNetwork() == NET_IPV6); + BOOST_CHECK(ResolveIP("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").GetNetwork() == NET_TOR); + } BOOST_AUTO_TEST_CASE(netbase_properties) { - BOOST_CHECK(CNetAddr("127.0.0.1").IsIPv4()); - BOOST_CHECK(CNetAddr("::FFFF:192.168.1.1").IsIPv4()); - BOOST_CHECK(CNetAddr("::1").IsIPv6()); - BOOST_CHECK(CNetAddr("10.0.0.1").IsRFC1918()); - BOOST_CHECK(CNetAddr("192.168.1.1").IsRFC1918()); - BOOST_CHECK(CNetAddr("172.31.255.255").IsRFC1918()); - BOOST_CHECK(CNetAddr("2001:0DB8::").IsRFC3849()); - BOOST_CHECK(CNetAddr("169.254.1.1").IsRFC3927()); - BOOST_CHECK(CNetAddr("2002::1").IsRFC3964()); - BOOST_CHECK(CNetAddr("FC00::").IsRFC4193()); - BOOST_CHECK(CNetAddr("2001::2").IsRFC4380()); - BOOST_CHECK(CNetAddr("2001:10::").IsRFC4843()); - BOOST_CHECK(CNetAddr("FE80::").IsRFC4862()); - BOOST_CHECK(CNetAddr("64:FF9B::").IsRFC6052()); - BOOST_CHECK(CNetAddr("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").IsTor()); - BOOST_CHECK(CNetAddr("127.0.0.1").IsLocal()); - BOOST_CHECK(CNetAddr("::1").IsLocal()); - BOOST_CHECK(CNetAddr("8.8.8.8").IsRoutable()); - BOOST_CHECK(CNetAddr("2001::1").IsRoutable()); - BOOST_CHECK(CNetAddr("127.0.0.1").IsValid()); + + BOOST_CHECK(ResolveIP("127.0.0.1").IsIPv4()); + BOOST_CHECK(ResolveIP("::FFFF:192.168.1.1").IsIPv4()); + BOOST_CHECK(ResolveIP("::1").IsIPv6()); + BOOST_CHECK(ResolveIP("10.0.0.1").IsRFC1918()); + BOOST_CHECK(ResolveIP("192.168.1.1").IsRFC1918()); + BOOST_CHECK(ResolveIP("172.31.255.255").IsRFC1918()); + BOOST_CHECK(ResolveIP("2001:0DB8::").IsRFC3849()); + BOOST_CHECK(ResolveIP("169.254.1.1").IsRFC3927()); + BOOST_CHECK(ResolveIP("2002::1").IsRFC3964()); + BOOST_CHECK(ResolveIP("FC00::").IsRFC4193()); + BOOST_CHECK(ResolveIP("2001::2").IsRFC4380()); + BOOST_CHECK(ResolveIP("2001:10::").IsRFC4843()); + BOOST_CHECK(ResolveIP("FE80::").IsRFC4862()); + BOOST_CHECK(ResolveIP("64:FF9B::").IsRFC6052()); + BOOST_CHECK(ResolveIP("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").IsTor()); + BOOST_CHECK(ResolveIP("127.0.0.1").IsLocal()); + BOOST_CHECK(ResolveIP("::1").IsLocal()); + BOOST_CHECK(ResolveIP("8.8.8.8").IsRoutable()); + BOOST_CHECK(ResolveIP("2001::1").IsRoutable()); + BOOST_CHECK(ResolveIP("127.0.0.1").IsValid()); + } bool static TestSplitHost(string test, string host, int port) @@ -95,44 +105,47 @@ BOOST_AUTO_TEST_CASE(netbase_lookupnumeric) BOOST_AUTO_TEST_CASE(onioncat_test) { + // values from https://web.archive.org/web/20121122003543/http://www.cypherpunk.at/onioncat/wiki/OnionCat - CNetAddr addr1("5wyqrzbvrdsumnok.onion"); - CNetAddr addr2("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca"); + CNetAddr addr1(ResolveIP("5wyqrzbvrdsumnok.onion")); + CNetAddr addr2(ResolveIP("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca")); BOOST_CHECK(addr1 == addr2); BOOST_CHECK(addr1.IsTor()); BOOST_CHECK(addr1.ToStringIP() == "5wyqrzbvrdsumnok.onion"); BOOST_CHECK(addr1.IsRoutable()); + } BOOST_AUTO_TEST_CASE(subnet_test) { + BOOST_CHECK(CSubNet("1.2.3.0/24") == CSubNet("1.2.3.0/255.255.255.0")); BOOST_CHECK(CSubNet("1.2.3.0/24") != CSubNet("1.2.4.0/255.255.255.0")); - BOOST_CHECK(CSubNet("1.2.3.0/24").Match(CNetAddr("1.2.3.4"))); - BOOST_CHECK(!CSubNet("1.2.2.0/24").Match(CNetAddr("1.2.3.4"))); - BOOST_CHECK(CSubNet("1.2.3.4").Match(CNetAddr("1.2.3.4"))); - BOOST_CHECK(CSubNet("1.2.3.4/32").Match(CNetAddr("1.2.3.4"))); - BOOST_CHECK(!CSubNet("1.2.3.4").Match(CNetAddr("5.6.7.8"))); - BOOST_CHECK(!CSubNet("1.2.3.4/32").Match(CNetAddr("5.6.7.8"))); - BOOST_CHECK(CSubNet("::ffff:127.0.0.1").Match(CNetAddr("127.0.0.1"))); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8").Match(CNetAddr("1:2:3:4:5:6:7:8"))); - BOOST_CHECK(!CSubNet("1:2:3:4:5:6:7:8").Match(CNetAddr("1:2:3:4:5:6:7:9"))); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:0/112").Match(CNetAddr("1:2:3:4:5:6:7:1234"))); - BOOST_CHECK(CSubNet("192.168.0.1/24").Match(CNetAddr("192.168.0.2"))); - BOOST_CHECK(CSubNet("192.168.0.20/29").Match(CNetAddr("192.168.0.18"))); - BOOST_CHECK(CSubNet("1.2.2.1/24").Match(CNetAddr("1.2.2.4"))); - BOOST_CHECK(CSubNet("1.2.2.110/31").Match(CNetAddr("1.2.2.111"))); - BOOST_CHECK(CSubNet("1.2.2.20/26").Match(CNetAddr("1.2.2.63"))); + BOOST_CHECK(CSubNet("1.2.3.0/24").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(!CSubNet("1.2.2.0/24").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(CSubNet("1.2.3.4").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(CSubNet("1.2.3.4/32").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(!CSubNet("1.2.3.4").Match(ResolveIP("5.6.7.8"))); + BOOST_CHECK(!CSubNet("1.2.3.4/32").Match(ResolveIP("5.6.7.8"))); + BOOST_CHECK(CSubNet("::ffff:127.0.0.1").Match(ResolveIP("127.0.0.1"))); + BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:8"))); + BOOST_CHECK(!CSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:9"))); + BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:0/112").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(CSubNet("192.168.0.1/24").Match(ResolveIP("192.168.0.2"))); + BOOST_CHECK(CSubNet("192.168.0.20/29").Match(ResolveIP("192.168.0.18"))); + BOOST_CHECK(CSubNet("1.2.2.1/24").Match(ResolveIP("1.2.2.4"))); + BOOST_CHECK(CSubNet("1.2.2.110/31").Match(ResolveIP("1.2.2.111"))); + BOOST_CHECK(CSubNet("1.2.2.20/26").Match(ResolveIP("1.2.2.63"))); // All-Matching IPv6 Matches arbitrary IPv4 and IPv6 - BOOST_CHECK(CSubNet("::/0").Match(CNetAddr("1:2:3:4:5:6:7:1234"))); - BOOST_CHECK(CSubNet("::/0").Match(CNetAddr("1.2.3.4"))); + BOOST_CHECK(CSubNet("::/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(CSubNet("::/0").Match(ResolveIP("1.2.3.4"))); // All-Matching IPv4 does not Match IPv6 - BOOST_CHECK(!CSubNet("0.0.0.0/0").Match(CNetAddr("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(!CSubNet("0.0.0.0/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); // Invalid subnets Match nothing (not even invalid addresses) - BOOST_CHECK(!CSubNet().Match(CNetAddr("1.2.3.4"))); - BOOST_CHECK(!CSubNet("").Match(CNetAddr("4.5.6.7"))); - BOOST_CHECK(!CSubNet("bloop").Match(CNetAddr("0.0.0.0"))); - BOOST_CHECK(!CSubNet("bloop").Match(CNetAddr("hab"))); + BOOST_CHECK(!CSubNet().Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(!CSubNet("").Match(ResolveIP("4.5.6.7"))); + BOOST_CHECK(!CSubNet("bloop").Match(ResolveIP("0.0.0.0"))); + BOOST_CHECK(!CSubNet("bloop").Match(ResolveIP("hab"))); // Check valid/invalid BOOST_CHECK(CSubNet("1.2.3.0/0").IsValid()); BOOST_CHECK(!CSubNet("1.2.3.0/-1").IsValid()); @@ -146,15 +159,15 @@ BOOST_AUTO_TEST_CASE(subnet_test) BOOST_CHECK(!CSubNet("fuzzy").IsValid()); //CNetAddr constructor test - BOOST_CHECK(CSubNet(CNetAddr("127.0.0.1")).IsValid()); - BOOST_CHECK(CSubNet(CNetAddr("127.0.0.1")).Match(CNetAddr("127.0.0.1"))); - BOOST_CHECK(!CSubNet(CNetAddr("127.0.0.1")).Match(CNetAddr("127.0.0.2"))); - BOOST_CHECK(CSubNet(CNetAddr("127.0.0.1")).ToString() == "127.0.0.1/32"); + BOOST_CHECK(CSubNet(ResolveIP("127.0.0.1")).IsValid()); + BOOST_CHECK(CSubNet(ResolveIP("127.0.0.1")).Match(ResolveIP("127.0.0.1"))); + BOOST_CHECK(!CSubNet(ResolveIP("127.0.0.1")).Match(ResolveIP("127.0.0.2"))); + BOOST_CHECK(CSubNet(ResolveIP("127.0.0.1")).ToString() == "127.0.0.1/32"); - BOOST_CHECK(CSubNet(CNetAddr("1:2:3:4:5:6:7:8")).IsValid()); - BOOST_CHECK(CSubNet(CNetAddr("1:2:3:4:5:6:7:8")).Match(CNetAddr("1:2:3:4:5:6:7:8"))); - BOOST_CHECK(!CSubNet(CNetAddr("1:2:3:4:5:6:7:8")).Match(CNetAddr("1:2:3:4:5:6:7:9"))); - BOOST_CHECK(CSubNet(CNetAddr("1:2:3:4:5:6:7:8")).ToString() == "1:2:3:4:5:6:7:8/128"); + BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).IsValid()); + BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).Match(ResolveIP("1:2:3:4:5:6:7:8"))); + BOOST_CHECK(!CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).Match(ResolveIP("1:2:3:4:5:6:7:9"))); + BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).ToString() == "1:2:3:4:5:6:7:8/128"); CSubNet subnet = CSubNet("1.2.3.4/255.255.255.255"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/32"); @@ -233,22 +246,25 @@ BOOST_AUTO_TEST_CASE(subnet_test) BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/255.255.232.0"); subnet = CSubNet("1:2:3:4:5:6:7:8/ffff:ffff:ffff:fffe:ffff:ffff:ffff:ff0f"); BOOST_CHECK_EQUAL(subnet.ToString(), "1:2:3:4:5:6:7:8/ffff:ffff:ffff:fffe:ffff:ffff:ffff:ff0f"); + } BOOST_AUTO_TEST_CASE(netbase_getgroup) { - BOOST_CHECK(CNetAddr("127.0.0.1").GetGroup() == boost::assign::list_of(0)); // Local -> !Routable() - BOOST_CHECK(CNetAddr("257.0.0.1").GetGroup() == boost::assign::list_of(0)); // !Valid -> !Routable() - BOOST_CHECK(CNetAddr("10.0.0.1").GetGroup() == boost::assign::list_of(0)); // RFC1918 -> !Routable() - BOOST_CHECK(CNetAddr("169.254.1.1").GetGroup() == boost::assign::list_of(0)); // RFC3927 -> !Routable() - BOOST_CHECK(CNetAddr("1.2.3.4").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // IPv4 - BOOST_CHECK(CNetAddr("::FFFF:0:102:304").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC6145 - BOOST_CHECK(CNetAddr("64:FF9B::102:304").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC6052 - BOOST_CHECK(CNetAddr("2002:102:304:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC3964 - BOOST_CHECK(CNetAddr("2001:0:9999:9999:9999:9999:FEFD:FCFB").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC4380 - BOOST_CHECK(CNetAddr("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").GetGroup() == boost::assign::list_of((unsigned char)NET_TOR)(239)); // Tor - BOOST_CHECK(CNetAddr("2001:470:abcd:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV6)(32)(1)(4)(112)(175)); //he.net - BOOST_CHECK(CNetAddr("2001:2001:9999:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV6)(32)(1)(32)(1)); //IPv6 + + BOOST_CHECK(ResolveIP("127.0.0.1").GetGroup() == boost::assign::list_of(0)); // Local -> !Routable() + BOOST_CHECK(ResolveIP("257.0.0.1").GetGroup() == boost::assign::list_of(0)); // !Valid -> !Routable() + BOOST_CHECK(ResolveIP("10.0.0.1").GetGroup() == boost::assign::list_of(0)); // RFC1918 -> !Routable() + BOOST_CHECK(ResolveIP("169.254.1.1").GetGroup() == boost::assign::list_of(0)); // RFC3927 -> !Routable() + BOOST_CHECK(ResolveIP("1.2.3.4").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // IPv4 + BOOST_CHECK(ResolveIP("::FFFF:0:102:304").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC6145 + BOOST_CHECK(ResolveIP("64:FF9B::102:304").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC6052 + BOOST_CHECK(ResolveIP("2002:102:304:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC3964 + BOOST_CHECK(ResolveIP("2001:0:9999:9999:9999:9999:FEFD:FCFB").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV4)(1)(2)); // RFC4380 + BOOST_CHECK(ResolveIP("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").GetGroup() == boost::assign::list_of((unsigned char)NET_TOR)(239)); // Tor + BOOST_CHECK(ResolveIP("2001:470:abcd:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV6)(32)(1)(4)(112)(175)); //he.net + BOOST_CHECK(ResolveIP("2001:2001:9999:9999:9999:9999:9999:9999").GetGroup() == boost::assign::list_of((unsigned char)NET_IPV6)(32)(1)(32)(1)); //IPv6 + } BOOST_AUTO_TEST_SUITE_END() From f96c7c4d91f3c09d26658bc9c15aa561689fa2d4 Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 13:51:11 -0400 Subject: [PATCH 2/8] net: Split resolving out of CService --- src/httpserver.cpp | 2 +- src/init.cpp | 8 ++- src/net.cpp | 17 ++++--- src/netbase.cpp | 34 +------------ src/netbase.h | 4 -- src/qt/optionsdialog.cpp | 4 +- src/test/addrman_tests.cpp | 100 +++++++++++++++++++++---------------- src/test/net_tests.cpp | 19 ++++--- src/torcontrol.cpp | 7 +-- 9 files changed, 94 insertions(+), 101 deletions(-) diff --git a/src/httpserver.cpp b/src/httpserver.cpp index be7a6a1dd..57aa134b3 100644 --- a/src/httpserver.cpp +++ b/src/httpserver.cpp @@ -614,7 +614,7 @@ CService HTTPRequest::GetPeer() const char* address = ""; uint16_t port = 0; evhttp_connection_get_peer(con, (char**)&address, &port); - peer = CService(address, port); + LookupNumeric(address, peer, port); } return peer; } diff --git a/src/init.cpp b/src/init.cpp index 8d4a2cafb..77ecf05f1 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1096,7 +1096,9 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) std::string proxyArg = GetArg("-proxy", ""); SetLimited(NET_TOR); if (proxyArg != "" && proxyArg != "0") { - proxyType addrProxy = proxyType(CService(proxyArg, 9050), proxyRandomize); + CService resolved; + LookupNumeric(proxyArg.c_str(), resolved, 9050); + proxyType addrProxy = proxyType(resolved, proxyRandomize); if (!addrProxy.IsValid()) return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); @@ -1115,7 +1117,9 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) if (onionArg == "0") { // Handle -noonion/-onion=0 SetLimited(NET_TOR); // set onions as unreachable } else { - proxyType addrOnion = proxyType(CService(onionArg, 9050), proxyRandomize); + CService resolved; + LookupNumeric(onionArg.c_str(), resolved, 9050); + proxyType addrOnion = proxyType(resolved, proxyRandomize); if (!addrOnion.IsValid()) return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); SetProxy(NET_TOR, addrOnion); diff --git a/src/net.cpp b/src/net.cpp index 8725346fe..e44bdafc7 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -175,7 +175,7 @@ static std::vector convertSeed6(const std::vector &vSeedsIn // one by discovery. CAddress GetLocalAddress(const CNetAddr *paddrPeer) { - CAddress ret(CService("0.0.0.0",GetListenPort()), NODE_NONE); + CAddress ret(CService(CNetAddr(),GetListenPort()), NODE_NONE); CService addr; if (GetLocal(addr, paddrPeer)) { @@ -494,7 +494,7 @@ void CNode::PushVersion() int nBestHeight = GetNodeSignals().GetHeight().get_value_or(0); int64_t nTime = (fInbound ? GetAdjustedTime() : GetTime()); - CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0", 0), addr.nServices)); + CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService(), addr.nServices)); CAddress addrMe = GetLocalAddress(&addr); GetRandBytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce)); if (fLogIPs) @@ -1727,7 +1727,8 @@ std::vector GetAddedNodeInfo() } BOOST_FOREACH(const std::string& strAddNode, lAddresses) { - CService service(strAddNode, Params().GetDefaultPort()); + CService service; + LookupNumeric(strAddNode.c_str(), service, Params().GetDefaultPort()); if (service.IsValid()) { // strAddNode is an IP:port auto it = mapConnected.find(service); @@ -1765,7 +1766,8 @@ void ThreadOpenAddedConnections() CSemaphoreGrant grant(*semOutbound); // If strAddedNode is an IP/port, decode it immediately, so // OpenNetworkConnection can detect existing connections to that IP/port. - CService service(info.strAddedNode, Params().GetDefaultPort()); + CService service; + LookupNumeric(info.strAddedNode.c_str(), service, Params().GetDefaultPort()); OpenNetworkConnection(CAddress(service, NODE_NONE), false, &grant, info.strAddedNode.c_str(), false); MilliSleep(500); } @@ -2063,8 +2065,11 @@ void StartNode(boost::thread_group& threadGroup, CScheduler& scheduler) semOutbound = new CSemaphore(nMaxOutbound); } - if (pnodeLocalHost == NULL) - pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), nLocalServices)); + if (pnodeLocalHost == NULL) { + CNetAddr local; + LookupHost("127.0.0.1", local, false); + pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService(local, 0), nLocalServices)); + } Discover(threadGroup); diff --git a/src/netbase.cpp b/src/netbase.cpp index bb16dd043..2e7a4f758 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -639,7 +639,7 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest } } - addr = CService("0.0.0.0:0"); + addr = CService(); if (!HaveNameProxy()) return false; @@ -1124,38 +1124,6 @@ bool CService::SetSockAddr(const struct sockaddr *paddr) } } -CService::CService(const char *pszIpPort) -{ - Init(); - CService ip; - if (Lookup(pszIpPort, ip, 0, false)) - *this = ip; -} - -CService::CService(const char *pszIpPort, int portDefault) -{ - Init(); - CService ip; - if (Lookup(pszIpPort, ip, portDefault, false)) - *this = ip; -} - -CService::CService(const std::string &strIpPort) -{ - Init(); - CService ip; - if (Lookup(strIpPort.c_str(), ip, 0, false)) - *this = ip; -} - -CService::CService(const std::string &strIpPort, int portDefault) -{ - Init(); - CService ip; - if (Lookup(strIpPort.c_str(), ip, portDefault, false)) - *this = ip; -} - unsigned short CService::GetPort() const { return port; diff --git a/src/netbase.h b/src/netbase.h index 0deca02ca..97b96f69c 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -152,10 +152,6 @@ class CService : public CNetAddr CService(const CNetAddr& ip, unsigned short port); CService(const struct in_addr& ipv4Addr, unsigned short port); CService(const struct sockaddr_in& addr); - explicit CService(const char *pszIpPort, int portDefault); - explicit CService(const char *pszIpPort); - explicit CService(const std::string& strIpPort, int portDefault); - explicit CService(const std::string& strIpPort); void Init(); void SetPort(unsigned short portIn); unsigned short GetPort() const; diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp index f2db39889..e419e4d9e 100644 --- a/src/qt/optionsdialog.cpp +++ b/src/qt/optionsdialog.cpp @@ -327,7 +327,9 @@ QValidator::State ProxyAddressValidator::validate(QString &input, int &pos) cons { Q_UNUSED(pos); // Validate the proxy - proxyType addrProxy = proxyType(CService(input.toStdString(), 9050), true); + CService serv; + LookupNumeric(input.toStdString().c_str(), serv, 9050); + proxyType addrProxy = proxyType(serv, true); if (addrProxy.IsValid()) return QValidator::Acceptable; diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp index fd9666f53..b84d00856 100644 --- a/src/test/addrman_tests.cpp +++ b/src/test/addrman_tests.cpp @@ -62,6 +62,18 @@ static CNetAddr ResolveIP(std::string ip) return ResolveIP(ip.c_str()); } +static CService ResolveService(const char* ip, int port = 0) +{ + CService serv; + BOOST_CHECK_MESSAGE(Lookup(ip, serv, port, false), strprintf("failed to resolve: %s:%i", ip, port)); + return serv; +} + +static CService ResolveService(std::string ip, int port = 0) +{ + return ResolveService(ip.c_str(), port); +} + BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup) BOOST_AUTO_TEST_CASE(addrman_simple) @@ -79,7 +91,7 @@ BOOST_AUTO_TEST_CASE(addrman_simple) BOOST_CHECK(addr_null.ToString() == "[::]:0"); // Test 2: Does Addrman::Add work as expected. - CService addr1 = CService("250.1.1.1", 8333); + CService addr1 = ResolveService("250.1.1.1", 8333); addrman.Add(CAddress(addr1, NODE_NONE), source); BOOST_CHECK(addrman.size() == 1); CAddrInfo addr_ret1 = addrman.Select(); @@ -87,14 +99,14 @@ BOOST_AUTO_TEST_CASE(addrman_simple) // Test 3: Does IP address deduplication work correctly. // Expected dup IP should not be added. - CService addr1_dup = CService("250.1.1.1", 8333); + CService addr1_dup = ResolveService("250.1.1.1", 8333); addrman.Add(CAddress(addr1_dup, NODE_NONE), source); BOOST_CHECK(addrman.size() == 1); // Test 5: New table has one addr and we add a diff addr we should // have two addrs. - CService addr2 = CService("250.1.1.2", 8333); + CService addr2 = ResolveService("250.1.1.2", 8333); addrman.Add(CAddress(addr2, NODE_NONE), source); BOOST_CHECK(addrman.size() == 2); @@ -117,11 +129,11 @@ BOOST_AUTO_TEST_CASE(addrman_ports) BOOST_CHECK(addrman.size() == 0); // Test 7; Addr with same IP but diff port does not replace existing addr. - CService addr1 = CService("250.1.1.1", 8333); + CService addr1 = ResolveService("250.1.1.1", 8333); addrman.Add(CAddress(addr1, NODE_NONE), source); BOOST_CHECK(addrman.size() == 1); - CService addr1_port = CService("250.1.1.1", 8334); + CService addr1_port = ResolveService("250.1.1.1", 8334); addrman.Add(CAddress(addr1_port, NODE_NONE), source); BOOST_CHECK(addrman.size() == 1); CAddrInfo addr_ret2 = addrman.Select(); @@ -147,7 +159,7 @@ BOOST_AUTO_TEST_CASE(addrman_select) CNetAddr source = ResolveIP("252.2.2.2"); // Test 9: Select from new with 1 addr in new. - CService addr1 = CService("250.1.1.1", 8333); + CService addr1 = ResolveService("250.1.1.1", 8333); addrman.Add(CAddress(addr1, NODE_NONE), source); BOOST_CHECK(addrman.size() == 1); @@ -168,24 +180,24 @@ BOOST_AUTO_TEST_CASE(addrman_select) // Add three addresses to new table. - CService addr2 = CService("250.3.1.1", 8333); - CService addr3 = CService("250.3.2.2", 9999); - CService addr4 = CService("250.3.3.3", 9999); + CService addr2 = ResolveService("250.3.1.1", 8333); + CService addr3 = ResolveService("250.3.2.2", 9999); + CService addr4 = ResolveService("250.3.3.3", 9999); - addrman.Add(CAddress(addr2, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); - addrman.Add(CAddress(addr3, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); - addrman.Add(CAddress(addr4, NODE_NONE), CService("250.4.1.1", 8333), NODE_NONE); + addrman.Add(CAddress(addr2, NODE_NONE), ResolveService("250.3.1.1", 8333)); + addrman.Add(CAddress(addr3, NODE_NONE), ResolveService("250.3.1.1", 8333)); + addrman.Add(CAddress(addr4, NODE_NONE), ResolveService("250.4.1.1", 8333)); // Add three addresses to tried table. - CService addr5 = CService("250.4.4.4", 8333); - CService addr6 = CService("250.4.5.5", 7777); - CService addr7 = CService("250.4.6.6", 8333); + CService addr5 = ResolveService("250.4.4.4", 8333); + CService addr6 = ResolveService("250.4.5.5", 7777); + CService addr7 = ResolveService("250.4.6.6", 8333); - addrman.Add(CAddress(addr5, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); + addrman.Add(CAddress(addr5, NODE_NONE), ResolveService("250.3.1.1", 8333)); addrman.Good(CAddress(addr5, NODE_NONE)); - addrman.Add(CAddress(addr6, NODE_NONE), CService("250.3.1.1", 8333), NODE_NONE); + addrman.Add(CAddress(addr6, NODE_NONE), ResolveService("250.3.1.1", 8333)); addrman.Good(CAddress(addr6, NODE_NONE)); - addrman.Add(CAddress(addr7, NODE_NONE), CService("250.1.1.3", 8333), NODE_NONE); + addrman.Add(CAddress(addr7, NODE_NONE), ResolveService("250.1.1.3", 8333)); addrman.Good(CAddress(addr7, NODE_NONE)); // Test 11: 6 addrs + 1 addr from last test = 7. @@ -210,7 +222,7 @@ BOOST_AUTO_TEST_CASE(addrman_new_collisions) BOOST_CHECK(addrman.size() == 0); for (unsigned int i = 1; i < 18; i++) { - CService addr = CService("250.1.1." + boost::to_string(i)); + CService addr = ResolveService("250.1.1." + boost::to_string(i)); addrman.Add(CAddress(addr, NODE_NONE), source); //Test 13: No collision in new table yet. @@ -218,11 +230,11 @@ BOOST_AUTO_TEST_CASE(addrman_new_collisions) } //Test 14: new table collision! - CService addr1 = CService("250.1.1.18"); + CService addr1 = ResolveService("250.1.1.18"); addrman.Add(CAddress(addr1, NODE_NONE), source); BOOST_CHECK(addrman.size() == 17); - CService addr2 = CService("250.1.1.19"); + CService addr2 = ResolveService("250.1.1.19"); addrman.Add(CAddress(addr2, NODE_NONE), source); BOOST_CHECK(addrman.size() == 18); } @@ -239,7 +251,7 @@ BOOST_AUTO_TEST_CASE(addrman_tried_collisions) BOOST_CHECK(addrman.size() == 0); for (unsigned int i = 1; i < 80; i++) { - CService addr = CService("250.1.1." + boost::to_string(i)); + CService addr = ResolveService("250.1.1." + boost::to_string(i)); addrman.Add(CAddress(addr, NODE_NONE), source); addrman.Good(CAddress(addr, NODE_NONE)); @@ -249,11 +261,11 @@ BOOST_AUTO_TEST_CASE(addrman_tried_collisions) } //Test 16: tried table collision! - CService addr1 = CService("250.1.1.80"); + CService addr1 = ResolveService("250.1.1.80"); addrman.Add(CAddress(addr1, NODE_NONE), source); BOOST_CHECK(addrman.size() == 79); - CService addr2 = CService("250.1.1.81"); + CService addr2 = ResolveService("250.1.1.81"); addrman.Add(CAddress(addr2, NODE_NONE), source); BOOST_CHECK(addrman.size() == 80); } @@ -267,9 +279,9 @@ BOOST_AUTO_TEST_CASE(addrman_find) BOOST_CHECK(addrman.size() == 0); - CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); - CAddress addr2 = CAddress(CService("250.1.2.1", 9999), NODE_NONE); - CAddress addr3 = CAddress(CService("251.255.2.1", 8333), NODE_NONE); + CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE); + CAddress addr2 = CAddress(ResolveService("250.1.2.1", 9999), NODE_NONE); + CAddress addr3 = CAddress(ResolveService("251.255.2.1", 8333), NODE_NONE); CNetAddr source1 = ResolveIP("250.1.2.1"); CNetAddr source2 = ResolveIP("250.1.2.2"); @@ -306,7 +318,7 @@ BOOST_AUTO_TEST_CASE(addrman_create) BOOST_CHECK(addrman.size() == 0); - CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); + CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE); CNetAddr source1 = ResolveIP("250.1.2.1"); int nId; @@ -329,7 +341,7 @@ BOOST_AUTO_TEST_CASE(addrman_delete) BOOST_CHECK(addrman.size() == 0); - CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); + CAddress addr1 = CAddress(ResolveService("250.1.2.1", 8333), NODE_NONE); CNetAddr source1 = ResolveIP("250.1.2.1"); int nId; @@ -356,15 +368,15 @@ BOOST_AUTO_TEST_CASE(addrman_getaddr) vector vAddr1 = addrman.GetAddr(); BOOST_CHECK(vAddr1.size() == 0); - CAddress addr1 = CAddress(CService("250.250.2.1", 8333), NODE_NONE); + CAddress addr1 = CAddress(ResolveService("250.250.2.1", 8333), NODE_NONE); addr1.nTime = GetAdjustedTime(); // Set time so isTerrible = false - CAddress addr2 = CAddress(CService("250.251.2.2", 9999), NODE_NONE); + CAddress addr2 = CAddress(ResolveService("250.251.2.2", 9999), NODE_NONE); addr2.nTime = GetAdjustedTime(); - CAddress addr3 = CAddress(CService("251.252.2.3", 8333), NODE_NONE); + CAddress addr3 = CAddress(ResolveService("251.252.2.3", 8333), NODE_NONE); addr3.nTime = GetAdjustedTime(); - CAddress addr4 = CAddress(CService("252.253.3.4", 8333), NODE_NONE); + CAddress addr4 = CAddress(ResolveService("252.253.3.4", 8333), NODE_NONE); addr4.nTime = GetAdjustedTime(); - CAddress addr5 = CAddress(CService("252.254.4.5", 8333), NODE_NONE); + CAddress addr5 = CAddress(ResolveService("252.254.4.5", 8333), NODE_NONE); addr5.nTime = GetAdjustedTime(); CNetAddr source1 = ResolveIP("250.1.2.1"); CNetAddr source2 = ResolveIP("250.2.3.3"); @@ -390,7 +402,7 @@ BOOST_AUTO_TEST_CASE(addrman_getaddr) 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); + CAddress addr = CAddress(ResolveService(strAddr), NODE_NONE); // Ensure that for all addrs in addrman, isTerrible == false. addr.nTime = GetAdjustedTime(); @@ -415,8 +427,8 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CAddress addr1 = CAddress(CService("250.1.1.1", 8333), NODE_NONE); - CAddress addr2 = CAddress(CService("250.1.1.1", 9999), NODE_NONE); + 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"); @@ -443,7 +455,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) set buckets; for (int i = 0; i < 255; i++) { CAddrInfo infoi = CAddrInfo( - CAddress(CService("250.1.1." + boost::to_string(i)), NODE_NONE), + 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); @@ -455,7 +467,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_tried_bucket) buckets.clear(); for (int j = 0; j < 255; j++) { CAddrInfo infoj = CAddrInfo( - CAddress(CService("250." + boost::to_string(j) + ".1.1"), NODE_NONE), + 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); @@ -472,8 +484,8 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) // Set addrman addr placement to be deterministic. addrman.MakeDeterministic(); - CAddress addr1 = CAddress(CService("250.1.2.1", 8333), NODE_NONE); - CAddress addr2 = CAddress(CService("250.1.2.1", 9999), NODE_NONE); + 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"); @@ -496,7 +508,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) set buckets; for (int i = 0; i < 255; i++) { CAddrInfo infoi = CAddrInfo( - CAddress(CService("250.1.1." + boost::to_string(i)), NODE_NONE), + 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); @@ -508,7 +520,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) buckets.clear(); for (int j = 0; j < 4 * 255; j++) { CAddrInfo infoj = CAddrInfo(CAddress( - CService( + 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); @@ -521,7 +533,7 @@ BOOST_AUTO_TEST_CASE(caddrinfo_get_new_bucket) buckets.clear(); for (int p = 0; p < 255; p++) { CAddrInfo infoj = CAddrInfo( - CAddress(CService("250.1.1.1"), NODE_NONE), + CAddress(ResolveService("250.1.1.1"), NODE_NONE), ResolveIP("250." + boost::to_string(p) + ".1.1")); int bucket = infoj.GetNewBucket(nKey1); buckets.insert(bucket); diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp index 511073499..fca1a16b2 100644 --- a/src/test/net_tests.cpp +++ b/src/test/net_tests.cpp @@ -51,7 +51,9 @@ public: int nUBuckets = ADDRMAN_NEW_BUCKET_COUNT ^ (1 << 30); s << nUBuckets; - CAddress addr = CAddress(CService("252.1.1.1", 7777), NODE_NONE); + CService serv; + Lookup("252.1.1.1", serv, 7777, false); + CAddress addr = CAddress(serv, NODE_NONE); CNetAddr resolved; LookupHost("252.2.2.2", resolved, false); CAddrInfo info = CAddrInfo(addr, resolved); @@ -76,14 +78,17 @@ BOOST_AUTO_TEST_CASE(caddrdb_read) CAddrManUncorrupted addrmanUncorrupted; addrmanUncorrupted.MakeDeterministic(); - CService addr1 = CService("250.7.1.1", 8333); - CService addr2 = CService("250.7.2.2", 9999); - CService addr3 = CService("250.7.3.3", 9999); + CService addr1, addr2, addr3; + Lookup("250.7.1.1", addr1, 8333, false); + Lookup("250.7.2.2", addr2, 9999, false); + Lookup("250.7.3.3", addr3, 9999, false); // Add three addresses to new table. - addrmanUncorrupted.Add(CAddress(addr1, NODE_NONE), CService("252.5.1.1", 8333)); - addrmanUncorrupted.Add(CAddress(addr2, NODE_NONE), CService("252.5.1.1", 8333)); - addrmanUncorrupted.Add(CAddress(addr3, NODE_NONE), CService("252.5.1.1", 8333)); + CService source; + Lookup("252.5.1.1", source, 8333, false); + addrmanUncorrupted.Add(CAddress(addr1, NODE_NONE), source); + addrmanUncorrupted.Add(CAddress(addr2, NODE_NONE), source); + addrmanUncorrupted.Add(CAddress(addr3, NODE_NONE), source); // Test that the de-serialization does not throw an exception. CDataStream ssPeers1 = AddrmanToStream(addrmanUncorrupted); diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp index 0d6b65567..d3d782747 100644 --- a/src/torcontrol.cpp +++ b/src/torcontrol.cpp @@ -437,8 +437,7 @@ void TorController::add_onion_cb(TorControlConnection& conn, const TorControlRep if ((i = m.find("PrivateKey")) != m.end()) private_key = i->second; } - - service = CService(service_id+".onion", GetListenPort()); + LookupNumeric(std::string(service_id+".onion").c_str(), service, GetListenPort()); LogPrintf("tor: Got service ID %s, advertising service %s\n", service_id, service.ToString()); if (WriteBinaryFile(GetPrivateKeyFile(), private_key)) { LogPrint("tor", "tor: Cached service private key to %s\n", GetPrivateKeyFile()); @@ -462,7 +461,9 @@ void TorController::auth_cb(TorControlConnection& conn, const TorControlReply& r // Now that we know Tor is running setup the proxy for onion addresses // if -onion isn't set to something else. if (GetArg("-onion", "") == "") { - proxyType addrOnion = proxyType(CService("127.0.0.1", 9050), true); + CService resolved; + assert(LookupNumeric("127.0.0.1", resolved, 9050)); + proxyType addrOnion = proxyType(resolved, true); SetProxy(NET_TOR, addrOnion); SetLimited(NET_TOR, false); } From b6c3ff3daed432e71d1c5bfe2357c4bb9fdc862a Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 15:50:24 -0400 Subject: [PATCH 3/8] net: Split resolving out of CSubNet --- src/httpserver.cpp | 11 ++- src/init.cpp | 3 +- src/netbase.cpp | 96 +++++++++++++++--------- src/netbase.h | 4 +- src/qt/rpcconsole.cpp | 3 +- src/rpc/net.cpp | 2 +- src/test/netbase_tests.cpp | 149 +++++++++++++++++++------------------ 7 files changed, 153 insertions(+), 115 deletions(-) diff --git a/src/httpserver.cpp b/src/httpserver.cpp index 57aa134b3..2c5bc2c79 100644 --- a/src/httpserver.cpp +++ b/src/httpserver.cpp @@ -197,12 +197,17 @@ static bool ClientAllowed(const CNetAddr& netaddr) static bool InitHTTPAllowList() { rpc_allow_subnets.clear(); - rpc_allow_subnets.push_back(CSubNet("127.0.0.0/8")); // always allow IPv4 local subnet - rpc_allow_subnets.push_back(CSubNet("::1")); // always allow IPv6 localhost + CNetAddr localv4; + CNetAddr localv6; + LookupHost("127.0.0.1", localv4, false); + LookupHost("::1", localv6, false); + rpc_allow_subnets.push_back(CSubNet(localv4, 8)); // always allow IPv4 local subnet + rpc_allow_subnets.push_back(CSubNet(localv6)); // always allow IPv6 localhost if (mapMultiArgs.count("-rpcallowip")) { const std::vector& vAllow = mapMultiArgs["-rpcallowip"]; for (std::string strAllow : vAllow) { - CSubNet subnet(strAllow); + CSubNet subnet; + LookupSubNet(strAllow.c_str(), subnet); if (!subnet.IsValid()) { uiInterface.ThreadSafeMessageBox( strprintf("Invalid -rpcallowip subnet specification: %s. Valid are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24).", strAllow), diff --git a/src/init.cpp b/src/init.cpp index 77ecf05f1..8b94e2dbf 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1083,7 +1083,8 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) if (mapArgs.count("-whitelist")) { BOOST_FOREACH(const std::string& net, mapMultiArgs["-whitelist"]) { - CSubNet subnet(net); + CSubNet subnet; + LookupSubNet(net.c_str(), subnet); if (!subnet.IsValid()) return InitError(strprintf(_("Invalid netmask specified in -whitelist: '%s'"), net)); CNode::AddWhitelistedRange(subnet); diff --git a/src/netbase.cpp b/src/netbase.cpp index 2e7a4f758..52badcd98 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -1214,63 +1214,85 @@ CSubNet::CSubNet(): memset(netmask, 0, sizeof(netmask)); } -CSubNet::CSubNet(const std::string &strSubnet) +CSubNet::CSubNet(const CNetAddr &addr, int32_t mask) { - size_t slash = strSubnet.find_last_of('/'); - std::vector vIP; - valid = true; + network = addr; // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address memset(netmask, 255, sizeof(netmask)); + // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n + const int astartofs = network.IsIPv4() ? 12 : 0; + + int32_t n = mask; + if(n >= 0 && n <= (128 - astartofs*8)) // Only valid if in range of bits of address + { + n += astartofs*8; + // Clear bits [n..127] + for (; n < 128; ++n) + netmask[n>>3] &= ~(1<<(7-(n&7))); + } else + valid = false; + + // Normalize network according to netmask + for(int x=0; x<16; ++x) + network.ip[x] &= netmask[x]; +} + +CSubNet::CSubNet(const CNetAddr &addr, const CNetAddr &mask) +{ + valid = true; + network = addr; + // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address + memset(netmask, 255, sizeof(netmask)); + + // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n + const int astartofs = network.IsIPv4() ? 12 : 0; + + for(int x=astartofs; x<16; ++x) + netmask[x] = mask.ip[x]; + + // Normalize network according to netmask + for(int x=0; x<16; ++x) + network.ip[x] &= netmask[x]; +} + + +bool LookupSubNet(const char* pszName, CSubNet& ret) +{ + std::string strSubnet(pszName); + size_t slash = strSubnet.find_last_of('/'); + std::vector vIP; + std::string strAddress = strSubnet.substr(0, slash); if (LookupHost(strAddress.c_str(), vIP, 1, false)) { - network = vIP[0]; + CNetAddr network = vIP[0]; if (slash != strSubnet.npos) { std::string strNetmask = strSubnet.substr(slash + 1); int32_t n; // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n - const int astartofs = network.IsIPv4() ? 12 : 0; - if (ParseInt32(strNetmask, &n)) // If valid number, assume /24 symtex - { - if(n >= 0 && n <= (128 - astartofs*8)) // Only valid if in range of bits of address - { - n += astartofs*8; - // Clear bits [n..127] - for (; n < 128; ++n) - netmask[n>>3] &= ~(1<<(7-(n&7))); - } - else - { - valid = false; - } + if (ParseInt32(strNetmask, &n)) { // If valid number, assume /24 syntax + ret = CSubNet(network, n); + return ret.IsValid(); } else // If not a valid number, try full netmask syntax { - if (LookupHost(strNetmask.c_str(), vIP, 1, false)) // Never allow lookup for netmask - { - // Copy only the *last* four bytes in case of IPv4, the rest of the mask should stay 1's as - // we don't want pchIPv4 to be part of the mask. - for(int x=astartofs; x<16; ++x) - netmask[x] = vIP[0].ip[x]; - } - else - { - valid = false; + // Never allow lookup for netmask + if (LookupHost(strNetmask.c_str(), vIP, 1, false)) { + ret = CSubNet(network, vIP[0]); + return ret.IsValid(); } } } + else + { + ret = CSubNet(network); + return ret.IsValid(); + } } - else - { - valid = false; - } - - // Normalize network according to netmask - for(int x=0; x<16; ++x) - network.ip[x] &= netmask[x]; + return false; } CSubNet::CSubNet(const CNetAddr &addr): diff --git a/src/netbase.h b/src/netbase.h index 97b96f69c..26807ae69 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -117,7 +117,8 @@ class CSubNet public: CSubNet(); - explicit CSubNet(const std::string &strSubnet); + CSubNet(const CNetAddr &addr, int32_t mask); + CSubNet(const CNetAddr &addr, const CNetAddr &mask); //constructor for single ip subnet (/32 or /128) explicit CSubNet(const CNetAddr &addr); @@ -205,6 +206,7 @@ bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup); bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup); bool Lookup(const char *pszName, std::vector& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions); bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); +bool LookupSubNet(const char *pszName, CSubNet& subnet); bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed = 0); bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault, int nTimeout, bool *outProxyConnectionFailed = 0); /** Return readable error string for a network error code */ diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index e7df4f2df..21eda07dd 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -915,8 +915,9 @@ void RPCConsole::unbanSelectedNode() // Get currently selected ban address QString strNode = GUIUtil::getEntryData(ui->banlistWidget, 0, BanTableModel::Address); - CSubNet possibleSubnet(strNode.toStdString()); + CSubNet possibleSubnet; + LookupSubNet(strNode.toStdString().c_str(), possibleSubnet); if (possibleSubnet.IsValid()) { CNode::Unban(possibleSubnet); diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp index c23becd4a..58cf4a56e 100644 --- a/src/rpc/net.cpp +++ b/src/rpc/net.cpp @@ -500,7 +500,7 @@ UniValue setban(const UniValue& params, bool fHelp) netAddr = resolved; } else - subNet = CSubNet(params[0].get_str()); + LookupSubNet(params[0].get_str().c_str(), subNet); if (! (isSubnet ? subNet.IsValid() : netAddr.IsValid()) ) throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: Invalid IP/Subnet"); diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp index 556c64f22..34b1ebb7a 100644 --- a/src/test/netbase_tests.cpp +++ b/src/test/netbase_tests.cpp @@ -21,6 +21,13 @@ static CNetAddr ResolveIP(const char* ip) return addr; } +static CSubNet ResolveSubNet(const char* subnet) +{ + CSubNet ret; + LookupSubNet(subnet, ret); + return ret; +} + BOOST_AUTO_TEST_CASE(netbase_networks) { BOOST_CHECK(ResolveIP("127.0.0.1").GetNetwork() == NET_UNROUTABLE); @@ -119,44 +126,44 @@ BOOST_AUTO_TEST_CASE(onioncat_test) BOOST_AUTO_TEST_CASE(subnet_test) { - BOOST_CHECK(CSubNet("1.2.3.0/24") == CSubNet("1.2.3.0/255.255.255.0")); - BOOST_CHECK(CSubNet("1.2.3.0/24") != CSubNet("1.2.4.0/255.255.255.0")); - BOOST_CHECK(CSubNet("1.2.3.0/24").Match(ResolveIP("1.2.3.4"))); - BOOST_CHECK(!CSubNet("1.2.2.0/24").Match(ResolveIP("1.2.3.4"))); - BOOST_CHECK(CSubNet("1.2.3.4").Match(ResolveIP("1.2.3.4"))); - BOOST_CHECK(CSubNet("1.2.3.4/32").Match(ResolveIP("1.2.3.4"))); - BOOST_CHECK(!CSubNet("1.2.3.4").Match(ResolveIP("5.6.7.8"))); - BOOST_CHECK(!CSubNet("1.2.3.4/32").Match(ResolveIP("5.6.7.8"))); - BOOST_CHECK(CSubNet("::ffff:127.0.0.1").Match(ResolveIP("127.0.0.1"))); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:8"))); - BOOST_CHECK(!CSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:9"))); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:0/112").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); - BOOST_CHECK(CSubNet("192.168.0.1/24").Match(ResolveIP("192.168.0.2"))); - BOOST_CHECK(CSubNet("192.168.0.20/29").Match(ResolveIP("192.168.0.18"))); - BOOST_CHECK(CSubNet("1.2.2.1/24").Match(ResolveIP("1.2.2.4"))); - BOOST_CHECK(CSubNet("1.2.2.110/31").Match(ResolveIP("1.2.2.111"))); - BOOST_CHECK(CSubNet("1.2.2.20/26").Match(ResolveIP("1.2.2.63"))); + BOOST_CHECK(ResolveSubNet("1.2.3.0/24") == ResolveSubNet("1.2.3.0/255.255.255.0")); + BOOST_CHECK(ResolveSubNet("1.2.3.0/24") != ResolveSubNet("1.2.4.0/255.255.255.0")); + BOOST_CHECK(ResolveSubNet("1.2.3.0/24").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(!ResolveSubNet("1.2.2.0/24").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(ResolveSubNet("1.2.3.4").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(ResolveSubNet("1.2.3.4/32").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(!ResolveSubNet("1.2.3.4").Match(ResolveIP("5.6.7.8"))); + BOOST_CHECK(!ResolveSubNet("1.2.3.4/32").Match(ResolveIP("5.6.7.8"))); + BOOST_CHECK(ResolveSubNet("::ffff:127.0.0.1").Match(ResolveIP("127.0.0.1"))); + BOOST_CHECK(ResolveSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:8"))); + BOOST_CHECK(!ResolveSubNet("1:2:3:4:5:6:7:8").Match(ResolveIP("1:2:3:4:5:6:7:9"))); + BOOST_CHECK(ResolveSubNet("1:2:3:4:5:6:7:0/112").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(ResolveSubNet("192.168.0.1/24").Match(ResolveIP("192.168.0.2"))); + BOOST_CHECK(ResolveSubNet("192.168.0.20/29").Match(ResolveIP("192.168.0.18"))); + BOOST_CHECK(ResolveSubNet("1.2.2.1/24").Match(ResolveIP("1.2.2.4"))); + BOOST_CHECK(ResolveSubNet("1.2.2.110/31").Match(ResolveIP("1.2.2.111"))); + BOOST_CHECK(ResolveSubNet("1.2.2.20/26").Match(ResolveIP("1.2.2.63"))); // All-Matching IPv6 Matches arbitrary IPv4 and IPv6 - BOOST_CHECK(CSubNet("::/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); - BOOST_CHECK(CSubNet("::/0").Match(ResolveIP("1.2.3.4"))); + BOOST_CHECK(ResolveSubNet("::/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(ResolveSubNet("::/0").Match(ResolveIP("1.2.3.4"))); // All-Matching IPv4 does not Match IPv6 - BOOST_CHECK(!CSubNet("0.0.0.0/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); + BOOST_CHECK(!ResolveSubNet("0.0.0.0/0").Match(ResolveIP("1:2:3:4:5:6:7:1234"))); // Invalid subnets Match nothing (not even invalid addresses) BOOST_CHECK(!CSubNet().Match(ResolveIP("1.2.3.4"))); - BOOST_CHECK(!CSubNet("").Match(ResolveIP("4.5.6.7"))); - BOOST_CHECK(!CSubNet("bloop").Match(ResolveIP("0.0.0.0"))); - BOOST_CHECK(!CSubNet("bloop").Match(ResolveIP("hab"))); + BOOST_CHECK(!ResolveSubNet("").Match(ResolveIP("4.5.6.7"))); + BOOST_CHECK(!ResolveSubNet("bloop").Match(ResolveIP("0.0.0.0"))); + BOOST_CHECK(!ResolveSubNet("bloop").Match(ResolveIP("hab"))); // Check valid/invalid - BOOST_CHECK(CSubNet("1.2.3.0/0").IsValid()); - BOOST_CHECK(!CSubNet("1.2.3.0/-1").IsValid()); - BOOST_CHECK(CSubNet("1.2.3.0/32").IsValid()); - BOOST_CHECK(!CSubNet("1.2.3.0/33").IsValid()); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8/0").IsValid()); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8/33").IsValid()); - BOOST_CHECK(!CSubNet("1:2:3:4:5:6:7:8/-1").IsValid()); - BOOST_CHECK(CSubNet("1:2:3:4:5:6:7:8/128").IsValid()); - BOOST_CHECK(!CSubNet("1:2:3:4:5:6:7:8/129").IsValid()); - BOOST_CHECK(!CSubNet("fuzzy").IsValid()); + BOOST_CHECK(ResolveSubNet("1.2.3.0/0").IsValid()); + BOOST_CHECK(!ResolveSubNet("1.2.3.0/-1").IsValid()); + BOOST_CHECK(ResolveSubNet("1.2.3.0/32").IsValid()); + BOOST_CHECK(!ResolveSubNet("1.2.3.0/33").IsValid()); + BOOST_CHECK(ResolveSubNet("1:2:3:4:5:6:7:8/0").IsValid()); + BOOST_CHECK(ResolveSubNet("1:2:3:4:5:6:7:8/33").IsValid()); + BOOST_CHECK(!ResolveSubNet("1:2:3:4:5:6:7:8/-1").IsValid()); + BOOST_CHECK(ResolveSubNet("1:2:3:4:5:6:7:8/128").IsValid()); + BOOST_CHECK(!ResolveSubNet("1:2:3:4:5:6:7:8/129").IsValid()); + BOOST_CHECK(!ResolveSubNet("fuzzy").IsValid()); //CNetAddr constructor test BOOST_CHECK(CSubNet(ResolveIP("127.0.0.1")).IsValid()); @@ -169,82 +176,82 @@ BOOST_AUTO_TEST_CASE(subnet_test) BOOST_CHECK(!CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).Match(ResolveIP("1:2:3:4:5:6:7:9"))); BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).ToString() == "1:2:3:4:5:6:7:8/128"); - CSubNet subnet = CSubNet("1.2.3.4/255.255.255.255"); + CSubNet subnet = ResolveSubNet("1.2.3.4/255.255.255.255"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/32"); - subnet = CSubNet("1.2.3.4/255.255.255.254"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.254"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/31"); - subnet = CSubNet("1.2.3.4/255.255.255.252"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.252"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/30"); - subnet = CSubNet("1.2.3.4/255.255.255.248"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.248"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/29"); - subnet = CSubNet("1.2.3.4/255.255.255.240"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.240"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/28"); - subnet = CSubNet("1.2.3.4/255.255.255.224"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.224"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/27"); - subnet = CSubNet("1.2.3.4/255.255.255.192"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.192"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/26"); - subnet = CSubNet("1.2.3.4/255.255.255.128"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.128"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/25"); - subnet = CSubNet("1.2.3.4/255.255.255.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.0/24"); - subnet = CSubNet("1.2.3.4/255.255.254.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.254.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.2.0/23"); - subnet = CSubNet("1.2.3.4/255.255.252.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.252.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/22"); - subnet = CSubNet("1.2.3.4/255.255.248.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.248.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/21"); - subnet = CSubNet("1.2.3.4/255.255.240.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.240.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/20"); - subnet = CSubNet("1.2.3.4/255.255.224.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.224.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/19"); - subnet = CSubNet("1.2.3.4/255.255.192.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.192.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/18"); - subnet = CSubNet("1.2.3.4/255.255.128.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.128.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/17"); - subnet = CSubNet("1.2.3.4/255.255.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/16"); - subnet = CSubNet("1.2.3.4/255.254.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.254.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/15"); - subnet = CSubNet("1.2.3.4/255.252.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.252.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/14"); - subnet = CSubNet("1.2.3.4/255.248.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.248.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/13"); - subnet = CSubNet("1.2.3.4/255.240.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.240.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/12"); - subnet = CSubNet("1.2.3.4/255.224.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.224.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/11"); - subnet = CSubNet("1.2.3.4/255.192.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.192.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/10"); - subnet = CSubNet("1.2.3.4/255.128.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.128.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/9"); - subnet = CSubNet("1.2.3.4/255.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/255.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/8"); - subnet = CSubNet("1.2.3.4/254.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/254.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/7"); - subnet = CSubNet("1.2.3.4/252.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/252.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/6"); - subnet = CSubNet("1.2.3.4/248.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/248.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/5"); - subnet = CSubNet("1.2.3.4/240.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/240.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/4"); - subnet = CSubNet("1.2.3.4/224.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/224.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/3"); - subnet = CSubNet("1.2.3.4/192.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/192.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/2"); - subnet = CSubNet("1.2.3.4/128.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/128.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/1"); - subnet = CSubNet("1.2.3.4/0.0.0.0"); + subnet = ResolveSubNet("1.2.3.4/0.0.0.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/0"); - subnet = CSubNet("1:2:3:4:5:6:7:8/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); + subnet = ResolveSubNet("1:2:3:4:5:6:7:8/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); BOOST_CHECK_EQUAL(subnet.ToString(), "1:2:3:4:5:6:7:8/128"); - subnet = CSubNet("1:2:3:4:5:6:7:8/ffff:0000:0000:0000:0000:0000:0000:0000"); + subnet = ResolveSubNet("1:2:3:4:5:6:7:8/ffff:0000:0000:0000:0000:0000:0000:0000"); BOOST_CHECK_EQUAL(subnet.ToString(), "1::/16"); - subnet = CSubNet("1:2:3:4:5:6:7:8/0000:0000:0000:0000:0000:0000:0000:0000"); + subnet = ResolveSubNet("1:2:3:4:5:6:7:8/0000:0000:0000:0000:0000:0000:0000:0000"); BOOST_CHECK_EQUAL(subnet.ToString(), "::/0"); - subnet = CSubNet("1.2.3.4/255.255.232.0"); + subnet = ResolveSubNet("1.2.3.4/255.255.232.0"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.0.0/255.255.232.0"); - subnet = CSubNet("1:2:3:4:5:6:7:8/ffff:ffff:ffff:fffe:ffff:ffff:ffff:ff0f"); + subnet = ResolveSubNet("1:2:3:4:5:6:7:8/ffff:ffff:ffff:fffe:ffff:ffff:ffff:ff0f"); BOOST_CHECK_EQUAL(subnet.ToString(), "1:2:3:4:5:6:7:8/ffff:ffff:ffff:fffe:ffff:ffff:ffff:ff0f"); } From 1017b8a960d8bca41adebdad9982511a479689ce Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 18:18:41 -0400 Subject: [PATCH 4/8] net: Add direct tests for new CSubNet constructors --- src/test/netbase_tests.cpp | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp index 34b1ebb7a..7a8584f0f 100644 --- a/src/test/netbase_tests.cpp +++ b/src/test/netbase_tests.cpp @@ -171,12 +171,26 @@ BOOST_AUTO_TEST_CASE(subnet_test) BOOST_CHECK(!CSubNet(ResolveIP("127.0.0.1")).Match(ResolveIP("127.0.0.2"))); BOOST_CHECK(CSubNet(ResolveIP("127.0.0.1")).ToString() == "127.0.0.1/32"); + CSubNet subnet = CSubNet(ResolveIP("1.2.3.4"), 32); + BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/32"); + subnet = CSubNet(ResolveIP("1.2.3.4"), 8); + BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/8"); + subnet = CSubNet(ResolveIP("1.2.3.4"), 0); + BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/0"); + + subnet = CSubNet(ResolveIP("1.2.3.4"), ResolveIP("255.255.255.255")); + BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/32"); + subnet = CSubNet(ResolveIP("1.2.3.4"), ResolveIP("255.0.0.0")); + BOOST_CHECK_EQUAL(subnet.ToString(), "1.0.0.0/8"); + subnet = CSubNet(ResolveIP("1.2.3.4"), ResolveIP("0.0.0.0")); + BOOST_CHECK_EQUAL(subnet.ToString(), "0.0.0.0/0"); + BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).IsValid()); BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).Match(ResolveIP("1:2:3:4:5:6:7:8"))); BOOST_CHECK(!CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).Match(ResolveIP("1:2:3:4:5:6:7:9"))); BOOST_CHECK(CSubNet(ResolveIP("1:2:3:4:5:6:7:8")).ToString() == "1:2:3:4:5:6:7:8/128"); - CSubNet subnet = ResolveSubNet("1.2.3.4/255.255.255.255"); + subnet = ResolveSubNet("1.2.3.4/255.255.255.255"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/32"); subnet = ResolveSubNet("1.2.3.4/255.255.255.254"); BOOST_CHECK_EQUAL(subnet.ToString(), "1.2.3.4/31"); From 21e5b96ff417f304e624052f629e2b030984180f Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 17:25:03 -0400 Subject: [PATCH 5/8] net: move CNetAddr/CService/CSubNet out of netbase --- src/Makefile.am | 2 + src/netaddress.cpp | 716 +++++++++++++++++++++++++++++++++++++++++++++ src/netaddress.h | 171 +++++++++++ src/netbase.cpp | 705 -------------------------------------------- src/netbase.h | 158 +--------- 5 files changed, 890 insertions(+), 862 deletions(-) create mode 100644 src/netaddress.cpp create mode 100644 src/netaddress.h diff --git a/src/Makefile.am b/src/Makefile.am index e3eaacdb4..0a35a052c 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -106,6 +106,7 @@ BITCOIN_CORE_H = \ miner.h \ net.h \ netbase.h \ + netaddress.h \ noui.h \ policy/fees.h \ policy/policy.h \ @@ -289,6 +290,7 @@ libbitcoin_common_a_SOURCES = \ core_write.cpp \ key.cpp \ keystore.cpp \ + netaddress.cpp \ netbase.cpp \ protocol.cpp \ scheduler.cpp \ diff --git a/src/netaddress.cpp b/src/netaddress.cpp new file mode 100644 index 000000000..7000ce3f0 --- /dev/null +++ b/src/netaddress.cpp @@ -0,0 +1,716 @@ +// Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2009-2015 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifdef HAVE_CONFIG_H +#include "config/bitcoin-config.h" +#endif + +#include "netaddress.h" +#include "hash.h" +#include "utilstrencodings.h" +#include "tinyformat.h" + +static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; +static const unsigned char pchOnionCat[] = {0xFD,0x87,0xD8,0x7E,0xEB,0x43}; + +void CNetAddr::Init() +{ + memset(ip, 0, sizeof(ip)); + scopeId = 0; +} + +void CNetAddr::SetIP(const CNetAddr& ipIn) +{ + memcpy(ip, ipIn.ip, sizeof(ip)); +} + +void CNetAddr::SetRaw(Network network, const uint8_t *ip_in) +{ + switch(network) + { + case NET_IPV4: + memcpy(ip, pchIPv4, 12); + memcpy(ip+12, ip_in, 4); + break; + case NET_IPV6: + memcpy(ip, ip_in, 16); + break; + default: + assert(!"invalid network"); + } +} + +bool CNetAddr::SetSpecial(const std::string &strName) +{ + if (strName.size()>6 && strName.substr(strName.size() - 6, 6) == ".onion") { + std::vector vchAddr = DecodeBase32(strName.substr(0, strName.size() - 6).c_str()); + if (vchAddr.size() != 16-sizeof(pchOnionCat)) + return false; + memcpy(ip, pchOnionCat, sizeof(pchOnionCat)); + for (unsigned int i=0; i<16-sizeof(pchOnionCat); i++) + ip[i + sizeof(pchOnionCat)] = vchAddr[i]; + return true; + } + return false; +} + +CNetAddr::CNetAddr() +{ + Init(); +} + +CNetAddr::CNetAddr(const struct in_addr& ipv4Addr) +{ + SetRaw(NET_IPV4, (const uint8_t*)&ipv4Addr); +} + +CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr, const uint32_t scope) +{ + SetRaw(NET_IPV6, (const uint8_t*)&ipv6Addr); + scopeId = scope; +} + +unsigned int CNetAddr::GetByte(int n) const +{ + return ip[15-n]; +} + +bool CNetAddr::IsIPv4() const +{ + return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0); +} + +bool CNetAddr::IsIPv6() const +{ + return (!IsIPv4() && !IsTor()); +} + +bool CNetAddr::IsRFC1918() const +{ + return IsIPv4() && ( + GetByte(3) == 10 || + (GetByte(3) == 192 && GetByte(2) == 168) || + (GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31))); +} + +bool CNetAddr::IsRFC2544() const +{ + return IsIPv4() && GetByte(3) == 198 && (GetByte(2) == 18 || GetByte(2) == 19); +} + +bool CNetAddr::IsRFC3927() const +{ + return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254); +} + +bool CNetAddr::IsRFC6598() const +{ + return IsIPv4() && GetByte(3) == 100 && GetByte(2) >= 64 && GetByte(2) <= 127; +} + +bool CNetAddr::IsRFC5737() const +{ + return IsIPv4() && ((GetByte(3) == 192 && GetByte(2) == 0 && GetByte(1) == 2) || + (GetByte(3) == 198 && GetByte(2) == 51 && GetByte(1) == 100) || + (GetByte(3) == 203 && GetByte(2) == 0 && GetByte(1) == 113)); +} + +bool CNetAddr::IsRFC3849() const +{ + return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8; +} + +bool CNetAddr::IsRFC3964() const +{ + return (GetByte(15) == 0x20 && GetByte(14) == 0x02); +} + +bool CNetAddr::IsRFC6052() const +{ + static const unsigned char pchRFC6052[] = {0,0x64,0xFF,0x9B,0,0,0,0,0,0,0,0}; + return (memcmp(ip, pchRFC6052, sizeof(pchRFC6052)) == 0); +} + +bool CNetAddr::IsRFC4380() const +{ + return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0 && GetByte(12) == 0); +} + +bool CNetAddr::IsRFC4862() const +{ + static const unsigned char pchRFC4862[] = {0xFE,0x80,0,0,0,0,0,0}; + return (memcmp(ip, pchRFC4862, sizeof(pchRFC4862)) == 0); +} + +bool CNetAddr::IsRFC4193() const +{ + return ((GetByte(15) & 0xFE) == 0xFC); +} + +bool CNetAddr::IsRFC6145() const +{ + static const unsigned char pchRFC6145[] = {0,0,0,0,0,0,0,0,0xFF,0xFF,0,0}; + return (memcmp(ip, pchRFC6145, sizeof(pchRFC6145)) == 0); +} + +bool CNetAddr::IsRFC4843() const +{ + return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10); +} + +bool CNetAddr::IsTor() const +{ + return (memcmp(ip, pchOnionCat, sizeof(pchOnionCat)) == 0); +} + +bool CNetAddr::IsLocal() const +{ + // IPv4 loopback + if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0)) + return true; + + // IPv6 loopback (::1/128) + static const unsigned char pchLocal[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; + if (memcmp(ip, pchLocal, 16) == 0) + return true; + + return false; +} + +bool CNetAddr::IsMulticast() const +{ + return (IsIPv4() && (GetByte(3) & 0xF0) == 0xE0) + || (GetByte(15) == 0xFF); +} + +bool CNetAddr::IsValid() const +{ + // Cleanup 3-byte shifted addresses caused by garbage in size field + // of addr messages from versions before 0.2.9 checksum. + // Two consecutive addr messages look like this: + // header20 vectorlen3 addr26 addr26 addr26 header20 vectorlen3 addr26 addr26 addr26... + // so if the first length field is garbled, it reads the second batch + // of addr misaligned by 3 bytes. + if (memcmp(ip, pchIPv4+3, sizeof(pchIPv4)-3) == 0) + return false; + + // unspecified IPv6 address (::/128) + unsigned char ipNone[16] = {}; + if (memcmp(ip, ipNone, 16) == 0) + return false; + + // documentation IPv6 address + if (IsRFC3849()) + return false; + + if (IsIPv4()) + { + // INADDR_NONE + uint32_t ipNone = INADDR_NONE; + if (memcmp(ip+12, &ipNone, 4) == 0) + return false; + + // 0 + ipNone = 0; + if (memcmp(ip+12, &ipNone, 4) == 0) + return false; + } + + return true; +} + +bool CNetAddr::IsRoutable() const +{ + return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal()); +} + +enum Network CNetAddr::GetNetwork() const +{ + if (!IsRoutable()) + return NET_UNROUTABLE; + + if (IsIPv4()) + return NET_IPV4; + + if (IsTor()) + return NET_TOR; + + return NET_IPV6; +} + +std::string CNetAddr::ToStringIP() const +{ + if (IsTor()) + return EncodeBase32(&ip[6], 10) + ".onion"; + CService serv(*this, 0); + struct sockaddr_storage sockaddr; + socklen_t socklen = sizeof(sockaddr); + if (serv.GetSockAddr((struct sockaddr*)&sockaddr, &socklen)) { + char name[1025] = ""; + if (!getnameinfo((const struct sockaddr*)&sockaddr, socklen, name, sizeof(name), NULL, 0, NI_NUMERICHOST)) + return std::string(name); + } + if (IsIPv4()) + return strprintf("%u.%u.%u.%u", GetByte(3), GetByte(2), GetByte(1), GetByte(0)); + else + return strprintf("%x:%x:%x:%x:%x:%x:%x:%x", + GetByte(15) << 8 | GetByte(14), GetByte(13) << 8 | GetByte(12), + GetByte(11) << 8 | GetByte(10), GetByte(9) << 8 | GetByte(8), + GetByte(7) << 8 | GetByte(6), GetByte(5) << 8 | GetByte(4), + GetByte(3) << 8 | GetByte(2), GetByte(1) << 8 | GetByte(0)); +} + +std::string CNetAddr::ToString() const +{ + return ToStringIP(); +} + +bool operator==(const CNetAddr& a, const CNetAddr& b) +{ + return (memcmp(a.ip, b.ip, 16) == 0); +} + +bool operator!=(const CNetAddr& a, const CNetAddr& b) +{ + return (memcmp(a.ip, b.ip, 16) != 0); +} + +bool operator<(const CNetAddr& a, const CNetAddr& b) +{ + return (memcmp(a.ip, b.ip, 16) < 0); +} + +bool CNetAddr::GetInAddr(struct in_addr* pipv4Addr) const +{ + if (!IsIPv4()) + return false; + memcpy(pipv4Addr, ip+12, 4); + return true; +} + +bool CNetAddr::GetIn6Addr(struct in6_addr* pipv6Addr) const +{ + memcpy(pipv6Addr, ip, 16); + return true; +} + +// get canonical identifier of an address' group +// no two connections will be attempted to addresses with the same group +std::vector CNetAddr::GetGroup() const +{ + std::vector vchRet; + int nClass = NET_IPV6; + int nStartByte = 0; + int nBits = 16; + + // all local addresses belong to the same group + if (IsLocal()) + { + nClass = 255; + nBits = 0; + } + + // all unroutable addresses belong to the same group + if (!IsRoutable()) + { + nClass = NET_UNROUTABLE; + nBits = 0; + } + // for IPv4 addresses, '1' + the 16 higher-order bits of the IP + // includes mapped IPv4, SIIT translated IPv4, and the well-known prefix + else if (IsIPv4() || IsRFC6145() || IsRFC6052()) + { + nClass = NET_IPV4; + nStartByte = 12; + } + // for 6to4 tunnelled addresses, use the encapsulated IPv4 address + else if (IsRFC3964()) + { + nClass = NET_IPV4; + nStartByte = 2; + } + // for Teredo-tunnelled IPv6 addresses, use the encapsulated IPv4 address + else if (IsRFC4380()) + { + vchRet.push_back(NET_IPV4); + vchRet.push_back(GetByte(3) ^ 0xFF); + vchRet.push_back(GetByte(2) ^ 0xFF); + return vchRet; + } + else if (IsTor()) + { + nClass = NET_TOR; + nStartByte = 6; + nBits = 4; + } + // for he.net, use /36 groups + else if (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x04 && GetByte(12) == 0x70) + nBits = 36; + // for the rest of the IPv6 network, use /32 groups + else + nBits = 32; + + vchRet.push_back(nClass); + while (nBits >= 8) + { + vchRet.push_back(GetByte(15 - nStartByte)); + nStartByte++; + nBits -= 8; + } + if (nBits > 0) + vchRet.push_back(GetByte(15 - nStartByte) | ((1 << (8 - nBits)) - 1)); + + return vchRet; +} + +uint64_t CNetAddr::GetHash() const +{ + uint256 hash = Hash(&ip[0], &ip[16]); + uint64_t nRet; + memcpy(&nRet, &hash, sizeof(nRet)); + return nRet; +} + +// private extensions to enum Network, only returned by GetExtNetwork, +// and only used in GetReachabilityFrom +static const int NET_UNKNOWN = NET_MAX + 0; +static const int NET_TEREDO = NET_MAX + 1; +int static GetExtNetwork(const CNetAddr *addr) +{ + if (addr == NULL) + return NET_UNKNOWN; + if (addr->IsRFC4380()) + return NET_TEREDO; + return addr->GetNetwork(); +} + +/** Calculates a metric for how reachable (*this) is from a given partner */ +int CNetAddr::GetReachabilityFrom(const CNetAddr *paddrPartner) const +{ + enum Reachability { + REACH_UNREACHABLE, + REACH_DEFAULT, + REACH_TEREDO, + REACH_IPV6_WEAK, + REACH_IPV4, + REACH_IPV6_STRONG, + REACH_PRIVATE + }; + + if (!IsRoutable()) + return REACH_UNREACHABLE; + + int ourNet = GetExtNetwork(this); + int theirNet = GetExtNetwork(paddrPartner); + bool fTunnel = IsRFC3964() || IsRFC6052() || IsRFC6145(); + + switch(theirNet) { + case NET_IPV4: + switch(ourNet) { + default: return REACH_DEFAULT; + case NET_IPV4: return REACH_IPV4; + } + case NET_IPV6: + switch(ourNet) { + default: return REACH_DEFAULT; + case NET_TEREDO: return REACH_TEREDO; + case NET_IPV4: return REACH_IPV4; + case NET_IPV6: return fTunnel ? REACH_IPV6_WEAK : REACH_IPV6_STRONG; // only prefer giving our IPv6 address if it's not tunnelled + } + case NET_TOR: + switch(ourNet) { + default: return REACH_DEFAULT; + case NET_IPV4: return REACH_IPV4; // Tor users can connect to IPv4 as well + case NET_TOR: return REACH_PRIVATE; + } + case NET_TEREDO: + switch(ourNet) { + default: return REACH_DEFAULT; + case NET_TEREDO: return REACH_TEREDO; + case NET_IPV6: return REACH_IPV6_WEAK; + case NET_IPV4: return REACH_IPV4; + } + case NET_UNKNOWN: + case NET_UNROUTABLE: + default: + switch(ourNet) { + default: return REACH_DEFAULT; + case NET_TEREDO: return REACH_TEREDO; + case NET_IPV6: return REACH_IPV6_WEAK; + case NET_IPV4: return REACH_IPV4; + case NET_TOR: return REACH_PRIVATE; // either from Tor, or don't care about our address + } + } +} + +void CService::Init() +{ + port = 0; +} + +CService::CService() +{ + Init(); +} + +CService::CService(const CNetAddr& cip, unsigned short portIn) : CNetAddr(cip), port(portIn) +{ +} + +CService::CService(const struct in_addr& ipv4Addr, unsigned short portIn) : CNetAddr(ipv4Addr), port(portIn) +{ +} + +CService::CService(const struct in6_addr& ipv6Addr, unsigned short portIn) : CNetAddr(ipv6Addr), port(portIn) +{ +} + +CService::CService(const struct sockaddr_in& addr) : CNetAddr(addr.sin_addr), port(ntohs(addr.sin_port)) +{ + assert(addr.sin_family == AF_INET); +} + +CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr, addr.sin6_scope_id), port(ntohs(addr.sin6_port)) +{ + assert(addr.sin6_family == AF_INET6); +} + +bool CService::SetSockAddr(const struct sockaddr *paddr) +{ + switch (paddr->sa_family) { + case AF_INET: + *this = CService(*(const struct sockaddr_in*)paddr); + return true; + case AF_INET6: + *this = CService(*(const struct sockaddr_in6*)paddr); + return true; + default: + return false; + } +} + +unsigned short CService::GetPort() const +{ + return port; +} + +bool operator==(const CService& a, const CService& b) +{ + return (CNetAddr)a == (CNetAddr)b && a.port == b.port; +} + +bool operator!=(const CService& a, const CService& b) +{ + return (CNetAddr)a != (CNetAddr)b || a.port != b.port; +} + +bool operator<(const CService& a, const CService& b) +{ + return (CNetAddr)a < (CNetAddr)b || ((CNetAddr)a == (CNetAddr)b && a.port < b.port); +} + +bool CService::GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const +{ + if (IsIPv4()) { + if (*addrlen < (socklen_t)sizeof(struct sockaddr_in)) + return false; + *addrlen = sizeof(struct sockaddr_in); + struct sockaddr_in *paddrin = (struct sockaddr_in*)paddr; + memset(paddrin, 0, *addrlen); + if (!GetInAddr(&paddrin->sin_addr)) + return false; + paddrin->sin_family = AF_INET; + paddrin->sin_port = htons(port); + return true; + } + if (IsIPv6()) { + if (*addrlen < (socklen_t)sizeof(struct sockaddr_in6)) + return false; + *addrlen = sizeof(struct sockaddr_in6); + struct sockaddr_in6 *paddrin6 = (struct sockaddr_in6*)paddr; + memset(paddrin6, 0, *addrlen); + if (!GetIn6Addr(&paddrin6->sin6_addr)) + return false; + paddrin6->sin6_scope_id = scopeId; + paddrin6->sin6_family = AF_INET6; + paddrin6->sin6_port = htons(port); + return true; + } + return false; +} + +std::vector CService::GetKey() const +{ + std::vector vKey; + vKey.resize(18); + memcpy(&vKey[0], ip, 16); + vKey[16] = port / 0x100; + vKey[17] = port & 0x0FF; + return vKey; +} + +std::string CService::ToStringPort() const +{ + return strprintf("%u", port); +} + +std::string CService::ToStringIPPort() const +{ + if (IsIPv4() || IsTor()) { + return ToStringIP() + ":" + ToStringPort(); + } else { + return "[" + ToStringIP() + "]:" + ToStringPort(); + } +} + +std::string CService::ToString() const +{ + return ToStringIPPort(); +} + +void CService::SetPort(unsigned short portIn) +{ + port = portIn; +} + +CSubNet::CSubNet(): + valid(false) +{ + memset(netmask, 0, sizeof(netmask)); +} + +CSubNet::CSubNet(const CNetAddr &addr, int32_t mask) +{ + valid = true; + network = addr; + // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address + memset(netmask, 255, sizeof(netmask)); + + // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n + const int astartofs = network.IsIPv4() ? 12 : 0; + + int32_t n = mask; + if(n >= 0 && n <= (128 - astartofs*8)) // Only valid if in range of bits of address + { + n += astartofs*8; + // Clear bits [n..127] + for (; n < 128; ++n) + netmask[n>>3] &= ~(1<<(7-(n&7))); + } else + valid = false; + + // Normalize network according to netmask + for(int x=0; x<16; ++x) + network.ip[x] &= netmask[x]; +} + +CSubNet::CSubNet(const CNetAddr &addr, const CNetAddr &mask) +{ + valid = true; + network = addr; + // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address + memset(netmask, 255, sizeof(netmask)); + + // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n + const int astartofs = network.IsIPv4() ? 12 : 0; + + for(int x=astartofs; x<16; ++x) + netmask[x] = mask.ip[x]; + + // Normalize network according to netmask + for(int x=0; x<16; ++x) + network.ip[x] &= netmask[x]; +} + +CSubNet::CSubNet(const CNetAddr &addr): + valid(addr.IsValid()) +{ + memset(netmask, 255, sizeof(netmask)); + network = addr; +} + +bool CSubNet::Match(const CNetAddr &addr) const +{ + if (!valid || !addr.IsValid()) + return false; + for(int x=0; x<16; ++x) + if ((addr.ip[x] & netmask[x]) != network.ip[x]) + return false; + return true; +} + +static inline int NetmaskBits(uint8_t x) +{ + switch(x) { + case 0x00: return 0; break; + case 0x80: return 1; break; + case 0xc0: return 2; break; + case 0xe0: return 3; break; + case 0xf0: return 4; break; + case 0xf8: return 5; break; + case 0xfc: return 6; break; + case 0xfe: return 7; break; + case 0xff: return 8; break; + default: return -1; break; + } +} + +std::string CSubNet::ToString() const +{ + /* Parse binary 1{n}0{N-n} to see if mask can be represented as /n */ + int cidr = 0; + bool valid_cidr = true; + int n = network.IsIPv4() ? 12 : 0; + for (; n < 16 && netmask[n] == 0xff; ++n) + cidr += 8; + if (n < 16) { + int bits = NetmaskBits(netmask[n]); + if (bits < 0) + valid_cidr = false; + else + cidr += bits; + ++n; + } + for (; n < 16 && valid_cidr; ++n) + if (netmask[n] != 0x00) + valid_cidr = false; + + /* Format output */ + std::string strNetmask; + if (valid_cidr) { + strNetmask = strprintf("%u", cidr); + } else { + if (network.IsIPv4()) + strNetmask = strprintf("%u.%u.%u.%u", netmask[12], netmask[13], netmask[14], netmask[15]); + else + strNetmask = strprintf("%x:%x:%x:%x:%x:%x:%x:%x", + netmask[0] << 8 | netmask[1], netmask[2] << 8 | netmask[3], + netmask[4] << 8 | netmask[5], netmask[6] << 8 | netmask[7], + netmask[8] << 8 | netmask[9], netmask[10] << 8 | netmask[11], + netmask[12] << 8 | netmask[13], netmask[14] << 8 | netmask[15]); + } + + return network.ToString() + "/" + strNetmask; +} + +bool CSubNet::IsValid() const +{ + return valid; +} + +bool operator==(const CSubNet& a, const CSubNet& b) +{ + return a.valid == b.valid && a.network == b.network && !memcmp(a.netmask, b.netmask, 16); +} + +bool operator!=(const CSubNet& a, const CSubNet& b) +{ + return !(a==b); +} + +bool operator<(const CSubNet& a, const CSubNet& b) +{ + return (a.network < b.network || (a.network == b.network && memcmp(a.netmask, b.netmask, 16) < 0)); +} diff --git a/src/netaddress.h b/src/netaddress.h new file mode 100644 index 000000000..9330fe332 --- /dev/null +++ b/src/netaddress.h @@ -0,0 +1,171 @@ +// Copyright (c) 2009-2015 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_NETADDRESS_H +#define BITCOIN_NETADDRESS_H + +#if defined(HAVE_CONFIG_H) +#include "config/bitcoin-config.h" +#endif + +#include "compat.h" +#include "serialize.h" + +#include +#include +#include + +enum Network +{ + NET_UNROUTABLE = 0, + NET_IPV4, + NET_IPV6, + NET_TOR, + + NET_MAX, +}; + +/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */ +class CNetAddr +{ + protected: + unsigned char ip[16]; // in network byte order + uint32_t scopeId; // for scoped/link-local ipv6 addresses + + public: + CNetAddr(); + CNetAddr(const struct in_addr& ipv4Addr); + void Init(); + void SetIP(const CNetAddr& ip); + + /** + * Set raw IPv4 or IPv6 address (in network byte order) + * @note Only NET_IPV4 and NET_IPV6 are allowed for network. + */ + void SetRaw(Network network, const uint8_t *data); + + bool SetSpecial(const std::string &strName); // for Tor addresses + bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0) + bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor) + bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) + bool IsRFC2544() const; // IPv4 inter-network communcations (192.18.0.0/15) + bool IsRFC6598() const; // IPv4 ISP-level NAT (100.64.0.0/10) + bool IsRFC5737() const; // IPv4 documentation addresses (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24) + bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32) + bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16) + bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16) + bool IsRFC4193() const; // IPv6 unique local (FC00::/7) + bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32) + bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28) + bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64) + bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96) + bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96) + bool IsTor() const; + bool IsLocal() const; + bool IsRoutable() const; + bool IsValid() const; + bool IsMulticast() const; + enum Network GetNetwork() const; + std::string ToString() const; + std::string ToStringIP() const; + unsigned int GetByte(int n) const; + uint64_t GetHash() const; + bool GetInAddr(struct in_addr* pipv4Addr) const; + std::vector GetGroup() const; + int GetReachabilityFrom(const CNetAddr *paddrPartner = NULL) const; + + CNetAddr(const struct in6_addr& pipv6Addr, const uint32_t scope = 0); + bool GetIn6Addr(struct in6_addr* pipv6Addr) const; + + friend bool operator==(const CNetAddr& a, const CNetAddr& b); + friend bool operator!=(const CNetAddr& a, const CNetAddr& b); + friend bool operator<(const CNetAddr& a, const CNetAddr& b); + + ADD_SERIALIZE_METHODS; + + template + inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { + READWRITE(FLATDATA(ip)); + } + + friend class CSubNet; +}; + +class CSubNet +{ + protected: + /// Network (base) address + CNetAddr network; + /// Netmask, in network byte order + uint8_t netmask[16]; + /// Is this value valid? (only used to signal parse errors) + bool valid; + + public: + CSubNet(); + CSubNet(const CNetAddr &addr, int32_t mask); + CSubNet(const CNetAddr &addr, const CNetAddr &mask); + + //constructor for single ip subnet (/32 or /128) + explicit CSubNet(const CNetAddr &addr); + + bool Match(const CNetAddr &addr) const; + + std::string ToString() const; + bool IsValid() const; + + friend bool operator==(const CSubNet& a, const CSubNet& b); + friend bool operator!=(const CSubNet& a, const CSubNet& b); + friend bool operator<(const CSubNet& a, const CSubNet& b); + + ADD_SERIALIZE_METHODS; + + template + inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { + READWRITE(network); + READWRITE(FLATDATA(netmask)); + READWRITE(FLATDATA(valid)); + } +}; + +/** A combination of a network address (CNetAddr) and a (TCP) port */ +class CService : public CNetAddr +{ + protected: + unsigned short port; // host order + + public: + CService(); + CService(const CNetAddr& ip, unsigned short port); + CService(const struct in_addr& ipv4Addr, unsigned short port); + CService(const struct sockaddr_in& addr); + void Init(); + void SetPort(unsigned short portIn); + unsigned short GetPort() const; + bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const; + bool SetSockAddr(const struct sockaddr* paddr); + friend bool operator==(const CService& a, const CService& b); + friend bool operator!=(const CService& a, const CService& b); + friend bool operator<(const CService& a, const CService& b); + std::vector GetKey() const; + std::string ToString() const; + std::string ToStringPort() const; + std::string ToStringIPPort() const; + + CService(const struct in6_addr& ipv6Addr, unsigned short port); + CService(const struct sockaddr_in6& addr); + + ADD_SERIALIZE_METHODS; + + template + inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { + READWRITE(FLATDATA(ip)); + unsigned short portN = htons(port); + READWRITE(FLATDATA(portN)); + if (ser_action.ForRead()) + port = ntohs(portN); + } +}; + +#endif // BITCOIN_NETADDRESS_H diff --git a/src/netbase.cpp b/src/netbase.cpp index 52badcd98..c2294a078 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -42,8 +42,6 @@ static CCriticalSection cs_proxyInfos; int nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; bool fNameLookup = DEFAULT_NAME_LOOKUP; -static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; - // Need ample time for negotiation for very slow proxies such as Tor (milliseconds) static const int SOCKS5_RECV_TIMEOUT = 20 * 1000; @@ -646,618 +644,6 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest return ConnectThroughProxy(nameProxy, strDest, port, hSocketRet, nTimeout, outProxyConnectionFailed); } -void CNetAddr::Init() -{ - memset(ip, 0, sizeof(ip)); - scopeId = 0; -} - -void CNetAddr::SetIP(const CNetAddr& ipIn) -{ - memcpy(ip, ipIn.ip, sizeof(ip)); -} - -void CNetAddr::SetRaw(Network network, const uint8_t *ip_in) -{ - switch(network) - { - case NET_IPV4: - memcpy(ip, pchIPv4, 12); - memcpy(ip+12, ip_in, 4); - break; - case NET_IPV6: - memcpy(ip, ip_in, 16); - break; - default: - assert(!"invalid network"); - } -} - -static const unsigned char pchOnionCat[] = {0xFD,0x87,0xD8,0x7E,0xEB,0x43}; - -bool CNetAddr::SetSpecial(const std::string &strName) -{ - if (strName.size()>6 && strName.substr(strName.size() - 6, 6) == ".onion") { - std::vector vchAddr = DecodeBase32(strName.substr(0, strName.size() - 6).c_str()); - if (vchAddr.size() != 16-sizeof(pchOnionCat)) - return false; - memcpy(ip, pchOnionCat, sizeof(pchOnionCat)); - for (unsigned int i=0; i<16-sizeof(pchOnionCat); i++) - ip[i + sizeof(pchOnionCat)] = vchAddr[i]; - return true; - } - return false; -} - -CNetAddr::CNetAddr() -{ - Init(); -} - -CNetAddr::CNetAddr(const struct in_addr& ipv4Addr) -{ - SetRaw(NET_IPV4, (const uint8_t*)&ipv4Addr); -} - -CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr, const uint32_t scope) -{ - SetRaw(NET_IPV6, (const uint8_t*)&ipv6Addr); - scopeId = scope; -} - -unsigned int CNetAddr::GetByte(int n) const -{ - return ip[15-n]; -} - -bool CNetAddr::IsIPv4() const -{ - return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0); -} - -bool CNetAddr::IsIPv6() const -{ - return (!IsIPv4() && !IsTor()); -} - -bool CNetAddr::IsRFC1918() const -{ - return IsIPv4() && ( - GetByte(3) == 10 || - (GetByte(3) == 192 && GetByte(2) == 168) || - (GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31))); -} - -bool CNetAddr::IsRFC2544() const -{ - return IsIPv4() && GetByte(3) == 198 && (GetByte(2) == 18 || GetByte(2) == 19); -} - -bool CNetAddr::IsRFC3927() const -{ - return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254); -} - -bool CNetAddr::IsRFC6598() const -{ - return IsIPv4() && GetByte(3) == 100 && GetByte(2) >= 64 && GetByte(2) <= 127; -} - -bool CNetAddr::IsRFC5737() const -{ - return IsIPv4() && ((GetByte(3) == 192 && GetByte(2) == 0 && GetByte(1) == 2) || - (GetByte(3) == 198 && GetByte(2) == 51 && GetByte(1) == 100) || - (GetByte(3) == 203 && GetByte(2) == 0 && GetByte(1) == 113)); -} - -bool CNetAddr::IsRFC3849() const -{ - return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8; -} - -bool CNetAddr::IsRFC3964() const -{ - return (GetByte(15) == 0x20 && GetByte(14) == 0x02); -} - -bool CNetAddr::IsRFC6052() const -{ - static const unsigned char pchRFC6052[] = {0,0x64,0xFF,0x9B,0,0,0,0,0,0,0,0}; - return (memcmp(ip, pchRFC6052, sizeof(pchRFC6052)) == 0); -} - -bool CNetAddr::IsRFC4380() const -{ - return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0 && GetByte(12) == 0); -} - -bool CNetAddr::IsRFC4862() const -{ - static const unsigned char pchRFC4862[] = {0xFE,0x80,0,0,0,0,0,0}; - return (memcmp(ip, pchRFC4862, sizeof(pchRFC4862)) == 0); -} - -bool CNetAddr::IsRFC4193() const -{ - return ((GetByte(15) & 0xFE) == 0xFC); -} - -bool CNetAddr::IsRFC6145() const -{ - static const unsigned char pchRFC6145[] = {0,0,0,0,0,0,0,0,0xFF,0xFF,0,0}; - return (memcmp(ip, pchRFC6145, sizeof(pchRFC6145)) == 0); -} - -bool CNetAddr::IsRFC4843() const -{ - return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10); -} - -bool CNetAddr::IsTor() const -{ - return (memcmp(ip, pchOnionCat, sizeof(pchOnionCat)) == 0); -} - -bool CNetAddr::IsLocal() const -{ - // IPv4 loopback - if (IsIPv4() && (GetByte(3) == 127 || GetByte(3) == 0)) - return true; - - // IPv6 loopback (::1/128) - static const unsigned char pchLocal[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; - if (memcmp(ip, pchLocal, 16) == 0) - return true; - - return false; -} - -bool CNetAddr::IsMulticast() const -{ - return (IsIPv4() && (GetByte(3) & 0xF0) == 0xE0) - || (GetByte(15) == 0xFF); -} - -bool CNetAddr::IsValid() const -{ - // Cleanup 3-byte shifted addresses caused by garbage in size field - // of addr messages from versions before 0.2.9 checksum. - // Two consecutive addr messages look like this: - // header20 vectorlen3 addr26 addr26 addr26 header20 vectorlen3 addr26 addr26 addr26... - // so if the first length field is garbled, it reads the second batch - // of addr misaligned by 3 bytes. - if (memcmp(ip, pchIPv4+3, sizeof(pchIPv4)-3) == 0) - return false; - - // unspecified IPv6 address (::/128) - unsigned char ipNone[16] = {}; - if (memcmp(ip, ipNone, 16) == 0) - return false; - - // documentation IPv6 address - if (IsRFC3849()) - return false; - - if (IsIPv4()) - { - // INADDR_NONE - uint32_t ipNone = INADDR_NONE; - if (memcmp(ip+12, &ipNone, 4) == 0) - return false; - - // 0 - ipNone = 0; - if (memcmp(ip+12, &ipNone, 4) == 0) - return false; - } - - return true; -} - -bool CNetAddr::IsRoutable() const -{ - return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal()); -} - -enum Network CNetAddr::GetNetwork() const -{ - if (!IsRoutable()) - return NET_UNROUTABLE; - - if (IsIPv4()) - return NET_IPV4; - - if (IsTor()) - return NET_TOR; - - return NET_IPV6; -} - -std::string CNetAddr::ToStringIP() const -{ - if (IsTor()) - return EncodeBase32(&ip[6], 10) + ".onion"; - CService serv(*this, 0); - struct sockaddr_storage sockaddr; - socklen_t socklen = sizeof(sockaddr); - if (serv.GetSockAddr((struct sockaddr*)&sockaddr, &socklen)) { - char name[1025] = ""; - if (!getnameinfo((const struct sockaddr*)&sockaddr, socklen, name, sizeof(name), NULL, 0, NI_NUMERICHOST)) - return std::string(name); - } - if (IsIPv4()) - return strprintf("%u.%u.%u.%u", GetByte(3), GetByte(2), GetByte(1), GetByte(0)); - else - return strprintf("%x:%x:%x:%x:%x:%x:%x:%x", - GetByte(15) << 8 | GetByte(14), GetByte(13) << 8 | GetByte(12), - GetByte(11) << 8 | GetByte(10), GetByte(9) << 8 | GetByte(8), - GetByte(7) << 8 | GetByte(6), GetByte(5) << 8 | GetByte(4), - GetByte(3) << 8 | GetByte(2), GetByte(1) << 8 | GetByte(0)); -} - -std::string CNetAddr::ToString() const -{ - return ToStringIP(); -} - -bool operator==(const CNetAddr& a, const CNetAddr& b) -{ - return (memcmp(a.ip, b.ip, 16) == 0); -} - -bool operator!=(const CNetAddr& a, const CNetAddr& b) -{ - return (memcmp(a.ip, b.ip, 16) != 0); -} - -bool operator<(const CNetAddr& a, const CNetAddr& b) -{ - return (memcmp(a.ip, b.ip, 16) < 0); -} - -bool CNetAddr::GetInAddr(struct in_addr* pipv4Addr) const -{ - if (!IsIPv4()) - return false; - memcpy(pipv4Addr, ip+12, 4); - return true; -} - -bool CNetAddr::GetIn6Addr(struct in6_addr* pipv6Addr) const -{ - memcpy(pipv6Addr, ip, 16); - return true; -} - -// get canonical identifier of an address' group -// no two connections will be attempted to addresses with the same group -std::vector CNetAddr::GetGroup() const -{ - std::vector vchRet; - int nClass = NET_IPV6; - int nStartByte = 0; - int nBits = 16; - - // all local addresses belong to the same group - if (IsLocal()) - { - nClass = 255; - nBits = 0; - } - - // all unroutable addresses belong to the same group - if (!IsRoutable()) - { - nClass = NET_UNROUTABLE; - nBits = 0; - } - // for IPv4 addresses, '1' + the 16 higher-order bits of the IP - // includes mapped IPv4, SIIT translated IPv4, and the well-known prefix - else if (IsIPv4() || IsRFC6145() || IsRFC6052()) - { - nClass = NET_IPV4; - nStartByte = 12; - } - // for 6to4 tunnelled addresses, use the encapsulated IPv4 address - else if (IsRFC3964()) - { - nClass = NET_IPV4; - nStartByte = 2; - } - // for Teredo-tunnelled IPv6 addresses, use the encapsulated IPv4 address - else if (IsRFC4380()) - { - vchRet.push_back(NET_IPV4); - vchRet.push_back(GetByte(3) ^ 0xFF); - vchRet.push_back(GetByte(2) ^ 0xFF); - return vchRet; - } - else if (IsTor()) - { - nClass = NET_TOR; - nStartByte = 6; - nBits = 4; - } - // for he.net, use /36 groups - else if (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x04 && GetByte(12) == 0x70) - nBits = 36; - // for the rest of the IPv6 network, use /32 groups - else - nBits = 32; - - vchRet.push_back(nClass); - while (nBits >= 8) - { - vchRet.push_back(GetByte(15 - nStartByte)); - nStartByte++; - nBits -= 8; - } - if (nBits > 0) - vchRet.push_back(GetByte(15 - nStartByte) | ((1 << (8 - nBits)) - 1)); - - return vchRet; -} - -uint64_t CNetAddr::GetHash() const -{ - uint256 hash = Hash(&ip[0], &ip[16]); - uint64_t nRet; - memcpy(&nRet, &hash, sizeof(nRet)); - return nRet; -} - -// private extensions to enum Network, only returned by GetExtNetwork, -// and only used in GetReachabilityFrom -static const int NET_UNKNOWN = NET_MAX + 0; -static const int NET_TEREDO = NET_MAX + 1; -int static GetExtNetwork(const CNetAddr *addr) -{ - if (addr == NULL) - return NET_UNKNOWN; - if (addr->IsRFC4380()) - return NET_TEREDO; - return addr->GetNetwork(); -} - -/** Calculates a metric for how reachable (*this) is from a given partner */ -int CNetAddr::GetReachabilityFrom(const CNetAddr *paddrPartner) const -{ - enum Reachability { - REACH_UNREACHABLE, - REACH_DEFAULT, - REACH_TEREDO, - REACH_IPV6_WEAK, - REACH_IPV4, - REACH_IPV6_STRONG, - REACH_PRIVATE - }; - - if (!IsRoutable()) - return REACH_UNREACHABLE; - - int ourNet = GetExtNetwork(this); - int theirNet = GetExtNetwork(paddrPartner); - bool fTunnel = IsRFC3964() || IsRFC6052() || IsRFC6145(); - - switch(theirNet) { - case NET_IPV4: - switch(ourNet) { - default: return REACH_DEFAULT; - case NET_IPV4: return REACH_IPV4; - } - case NET_IPV6: - switch(ourNet) { - default: return REACH_DEFAULT; - case NET_TEREDO: return REACH_TEREDO; - case NET_IPV4: return REACH_IPV4; - case NET_IPV6: return fTunnel ? REACH_IPV6_WEAK : REACH_IPV6_STRONG; // only prefer giving our IPv6 address if it's not tunnelled - } - case NET_TOR: - switch(ourNet) { - default: return REACH_DEFAULT; - case NET_IPV4: return REACH_IPV4; // Tor users can connect to IPv4 as well - case NET_TOR: return REACH_PRIVATE; - } - case NET_TEREDO: - switch(ourNet) { - default: return REACH_DEFAULT; - case NET_TEREDO: return REACH_TEREDO; - case NET_IPV6: return REACH_IPV6_WEAK; - case NET_IPV4: return REACH_IPV4; - } - case NET_UNKNOWN: - case NET_UNROUTABLE: - default: - switch(ourNet) { - default: return REACH_DEFAULT; - case NET_TEREDO: return REACH_TEREDO; - case NET_IPV6: return REACH_IPV6_WEAK; - case NET_IPV4: return REACH_IPV4; - case NET_TOR: return REACH_PRIVATE; // either from Tor, or don't care about our address - } - } -} - -void CService::Init() -{ - port = 0; -} - -CService::CService() -{ - Init(); -} - -CService::CService(const CNetAddr& cip, unsigned short portIn) : CNetAddr(cip), port(portIn) -{ -} - -CService::CService(const struct in_addr& ipv4Addr, unsigned short portIn) : CNetAddr(ipv4Addr), port(portIn) -{ -} - -CService::CService(const struct in6_addr& ipv6Addr, unsigned short portIn) : CNetAddr(ipv6Addr), port(portIn) -{ -} - -CService::CService(const struct sockaddr_in& addr) : CNetAddr(addr.sin_addr), port(ntohs(addr.sin_port)) -{ - assert(addr.sin_family == AF_INET); -} - -CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr, addr.sin6_scope_id), port(ntohs(addr.sin6_port)) -{ - assert(addr.sin6_family == AF_INET6); -} - -bool CService::SetSockAddr(const struct sockaddr *paddr) -{ - switch (paddr->sa_family) { - case AF_INET: - *this = CService(*(const struct sockaddr_in*)paddr); - return true; - case AF_INET6: - *this = CService(*(const struct sockaddr_in6*)paddr); - return true; - default: - return false; - } -} - -unsigned short CService::GetPort() const -{ - return port; -} - -bool operator==(const CService& a, const CService& b) -{ - return (CNetAddr)a == (CNetAddr)b && a.port == b.port; -} - -bool operator!=(const CService& a, const CService& b) -{ - return (CNetAddr)a != (CNetAddr)b || a.port != b.port; -} - -bool operator<(const CService& a, const CService& b) -{ - return (CNetAddr)a < (CNetAddr)b || ((CNetAddr)a == (CNetAddr)b && a.port < b.port); -} - -bool CService::GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const -{ - if (IsIPv4()) { - if (*addrlen < (socklen_t)sizeof(struct sockaddr_in)) - return false; - *addrlen = sizeof(struct sockaddr_in); - struct sockaddr_in *paddrin = (struct sockaddr_in*)paddr; - memset(paddrin, 0, *addrlen); - if (!GetInAddr(&paddrin->sin_addr)) - return false; - paddrin->sin_family = AF_INET; - paddrin->sin_port = htons(port); - return true; - } - if (IsIPv6()) { - if (*addrlen < (socklen_t)sizeof(struct sockaddr_in6)) - return false; - *addrlen = sizeof(struct sockaddr_in6); - struct sockaddr_in6 *paddrin6 = (struct sockaddr_in6*)paddr; - memset(paddrin6, 0, *addrlen); - if (!GetIn6Addr(&paddrin6->sin6_addr)) - return false; - paddrin6->sin6_scope_id = scopeId; - paddrin6->sin6_family = AF_INET6; - paddrin6->sin6_port = htons(port); - return true; - } - return false; -} - -std::vector CService::GetKey() const -{ - std::vector vKey; - vKey.resize(18); - memcpy(&vKey[0], ip, 16); - vKey[16] = port / 0x100; - vKey[17] = port & 0x0FF; - return vKey; -} - -std::string CService::ToStringPort() const -{ - return strprintf("%u", port); -} - -std::string CService::ToStringIPPort() const -{ - if (IsIPv4() || IsTor()) { - return ToStringIP() + ":" + ToStringPort(); - } else { - return "[" + ToStringIP() + "]:" + ToStringPort(); - } -} - -std::string CService::ToString() const -{ - return ToStringIPPort(); -} - -void CService::SetPort(unsigned short portIn) -{ - port = portIn; -} - -CSubNet::CSubNet(): - valid(false) -{ - memset(netmask, 0, sizeof(netmask)); -} - -CSubNet::CSubNet(const CNetAddr &addr, int32_t mask) -{ - valid = true; - network = addr; - // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address - memset(netmask, 255, sizeof(netmask)); - - // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n - const int astartofs = network.IsIPv4() ? 12 : 0; - - int32_t n = mask; - if(n >= 0 && n <= (128 - astartofs*8)) // Only valid if in range of bits of address - { - n += astartofs*8; - // Clear bits [n..127] - for (; n < 128; ++n) - netmask[n>>3] &= ~(1<<(7-(n&7))); - } else - valid = false; - - // Normalize network according to netmask - for(int x=0; x<16; ++x) - network.ip[x] &= netmask[x]; -} - -CSubNet::CSubNet(const CNetAddr &addr, const CNetAddr &mask) -{ - valid = true; - network = addr; - // Default to /32 (IPv4) or /128 (IPv6), i.e. match single address - memset(netmask, 255, sizeof(netmask)); - - // IPv4 addresses start at offset 12, and first 12 bytes must match, so just offset n - const int astartofs = network.IsIPv4() ? 12 : 0; - - for(int x=astartofs; x<16; ++x) - netmask[x] = mask.ip[x]; - - // Normalize network according to netmask - for(int x=0; x<16; ++x) - network.ip[x] &= netmask[x]; -} - - bool LookupSubNet(const char* pszName, CSubNet& ret) { std::string strSubnet(pszName); @@ -1295,97 +681,6 @@ bool LookupSubNet(const char* pszName, CSubNet& ret) return false; } -CSubNet::CSubNet(const CNetAddr &addr): - valid(addr.IsValid()) -{ - memset(netmask, 255, sizeof(netmask)); - network = addr; -} - -bool CSubNet::Match(const CNetAddr &addr) const -{ - if (!valid || !addr.IsValid()) - return false; - for(int x=0; x<16; ++x) - if ((addr.ip[x] & netmask[x]) != network.ip[x]) - return false; - return true; -} - -static inline int NetmaskBits(uint8_t x) -{ - switch(x) { - case 0x00: return 0; break; - case 0x80: return 1; break; - case 0xc0: return 2; break; - case 0xe0: return 3; break; - case 0xf0: return 4; break; - case 0xf8: return 5; break; - case 0xfc: return 6; break; - case 0xfe: return 7; break; - case 0xff: return 8; break; - default: return -1; break; - } -} - -std::string CSubNet::ToString() const -{ - /* Parse binary 1{n}0{N-n} to see if mask can be represented as /n */ - int cidr = 0; - bool valid_cidr = true; - int n = network.IsIPv4() ? 12 : 0; - for (; n < 16 && netmask[n] == 0xff; ++n) - cidr += 8; - if (n < 16) { - int bits = NetmaskBits(netmask[n]); - if (bits < 0) - valid_cidr = false; - else - cidr += bits; - ++n; - } - for (; n < 16 && valid_cidr; ++n) - if (netmask[n] != 0x00) - valid_cidr = false; - - /* Format output */ - std::string strNetmask; - if (valid_cidr) { - strNetmask = strprintf("%u", cidr); - } else { - if (network.IsIPv4()) - strNetmask = strprintf("%u.%u.%u.%u", netmask[12], netmask[13], netmask[14], netmask[15]); - else - strNetmask = strprintf("%x:%x:%x:%x:%x:%x:%x:%x", - netmask[0] << 8 | netmask[1], netmask[2] << 8 | netmask[3], - netmask[4] << 8 | netmask[5], netmask[6] << 8 | netmask[7], - netmask[8] << 8 | netmask[9], netmask[10] << 8 | netmask[11], - netmask[12] << 8 | netmask[13], netmask[14] << 8 | netmask[15]); - } - - return network.ToString() + "/" + strNetmask; -} - -bool CSubNet::IsValid() const -{ - return valid; -} - -bool operator==(const CSubNet& a, const CSubNet& b) -{ - return a.valid == b.valid && a.network == b.network && !memcmp(a.netmask, b.netmask, 16); -} - -bool operator!=(const CSubNet& a, const CSubNet& b) -{ - return !(a==b); -} - -bool operator<(const CSubNet& a, const CSubNet& b) -{ - return (a.network < b.network || (a.network == b.network && memcmp(a.netmask, b.netmask, 16) < 0)); -} - #ifdef WIN32 std::string NetworkErrorString(int err) { diff --git a/src/netbase.h b/src/netbase.h index 26807ae69..d0abd5e95 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -10,6 +10,7 @@ #endif #include "compat.h" +#include "netaddress.h" #include "serialize.h" #include @@ -24,163 +25,6 @@ static const int DEFAULT_CONNECT_TIMEOUT = 5000; //! -dns default static const int DEFAULT_NAME_LOOKUP = true; -#ifdef WIN32 -// In MSVC, this is defined as a macro, undefine it to prevent a compile and link error -#undef SetPort -#endif - -enum Network -{ - NET_UNROUTABLE = 0, - NET_IPV4, - NET_IPV6, - NET_TOR, - - NET_MAX, -}; - -/** IP address (IPv6, or IPv4 using mapped IPv6 range (::FFFF:0:0/96)) */ -class CNetAddr -{ - protected: - unsigned char ip[16]; // in network byte order - uint32_t scopeId; // for scoped/link-local ipv6 addresses - - public: - CNetAddr(); - CNetAddr(const struct in_addr& ipv4Addr); - void Init(); - void SetIP(const CNetAddr& ip); - - /** - * Set raw IPv4 or IPv6 address (in network byte order) - * @note Only NET_IPV4 and NET_IPV6 are allowed for network. - */ - void SetRaw(Network network, const uint8_t *data); - - bool SetSpecial(const std::string &strName); // for Tor addresses - bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0) - bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor) - bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) - bool IsRFC2544() const; // IPv4 inter-network communcations (192.18.0.0/15) - bool IsRFC6598() const; // IPv4 ISP-level NAT (100.64.0.0/10) - bool IsRFC5737() const; // IPv4 documentation addresses (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24) - bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32) - bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16) - bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16) - bool IsRFC4193() const; // IPv6 unique local (FC00::/7) - bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32) - bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28) - bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64) - bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96) - bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96) - bool IsTor() const; - bool IsLocal() const; - bool IsRoutable() const; - bool IsValid() const; - bool IsMulticast() const; - enum Network GetNetwork() const; - std::string ToString() const; - std::string ToStringIP() const; - unsigned int GetByte(int n) const; - uint64_t GetHash() const; - bool GetInAddr(struct in_addr* pipv4Addr) const; - std::vector GetGroup() const; - int GetReachabilityFrom(const CNetAddr *paddrPartner = NULL) const; - - CNetAddr(const struct in6_addr& pipv6Addr, const uint32_t scope = 0); - bool GetIn6Addr(struct in6_addr* pipv6Addr) const; - - friend bool operator==(const CNetAddr& a, const CNetAddr& b); - friend bool operator!=(const CNetAddr& a, const CNetAddr& b); - friend bool operator<(const CNetAddr& a, const CNetAddr& b); - - ADD_SERIALIZE_METHODS; - - template - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - READWRITE(FLATDATA(ip)); - } - - friend class CSubNet; -}; - -class CSubNet -{ - protected: - /// Network (base) address - CNetAddr network; - /// Netmask, in network byte order - uint8_t netmask[16]; - /// Is this value valid? (only used to signal parse errors) - bool valid; - - public: - CSubNet(); - CSubNet(const CNetAddr &addr, int32_t mask); - CSubNet(const CNetAddr &addr, const CNetAddr &mask); - - //constructor for single ip subnet (/32 or /128) - explicit CSubNet(const CNetAddr &addr); - - bool Match(const CNetAddr &addr) const; - - std::string ToString() const; - bool IsValid() const; - - friend bool operator==(const CSubNet& a, const CSubNet& b); - friend bool operator!=(const CSubNet& a, const CSubNet& b); - friend bool operator<(const CSubNet& a, const CSubNet& b); - - ADD_SERIALIZE_METHODS; - - template - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - READWRITE(network); - READWRITE(FLATDATA(netmask)); - READWRITE(FLATDATA(valid)); - } -}; - -/** A combination of a network address (CNetAddr) and a (TCP) port */ -class CService : public CNetAddr -{ - protected: - unsigned short port; // host order - - public: - CService(); - CService(const CNetAddr& ip, unsigned short port); - CService(const struct in_addr& ipv4Addr, unsigned short port); - CService(const struct sockaddr_in& addr); - void Init(); - void SetPort(unsigned short portIn); - unsigned short GetPort() const; - bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const; - bool SetSockAddr(const struct sockaddr* paddr); - friend bool operator==(const CService& a, const CService& b); - friend bool operator!=(const CService& a, const CService& b); - friend bool operator<(const CService& a, const CService& b); - std::vector GetKey() const; - std::string ToString() const; - std::string ToStringPort() const; - std::string ToStringIPPort() const; - - CService(const struct in6_addr& ipv6Addr, unsigned short port); - CService(const struct sockaddr_in6& addr); - - ADD_SERIALIZE_METHODS; - - template - inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) { - READWRITE(FLATDATA(ip)); - unsigned short portN = htons(port); - READWRITE(FLATDATA(portN)); - if (ser_action.ForRead()) - port = ntohs(portN); - } -}; - class proxyType { public: From 21ba407a7369a0229b8a8554dee0da63a64e6639 Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Tue, 31 May 2016 17:42:38 -0400 Subject: [PATCH 6/8] 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. --- src/addrman.h | 2 +- src/init.cpp | 1 + src/net.cpp | 1 + src/net.h | 2 +- src/protocol.h | 2 +- src/qt/optionsmodel.cpp | 1 + src/qt/rpcconsole.cpp | 1 + src/test/addrman_tests.cpp | 1 + src/test/net_tests.cpp | 1 + src/timedata.cpp | 2 +- src/torcontrol.cpp | 1 + src/wallet/rpcwallet.cpp | 1 - 12 files changed, 11 insertions(+), 5 deletions(-) diff --git a/src/addrman.h b/src/addrman.h index 1caf54075..9bab39049 100644 --- a/src/addrman.h +++ b/src/addrman.h @@ -6,7 +6,7 @@ #ifndef BITCOIN_ADDRMAN_H #define BITCOIN_ADDRMAN_H -#include "netbase.h" +#include "netaddress.h" #include "protocol.h" #include "random.h" #include "sync.h" diff --git a/src/init.cpp b/src/init.cpp index 8b94e2dbf..4f5eeeffe 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -21,6 +21,7 @@ #include "key.h" #include "main.h" #include "miner.h" +#include "netbase.h" #include "net.h" #include "policy/policy.h" #include "rpc/server.h" diff --git a/src/net.cpp b/src/net.cpp index e44bdafc7..e9bb406e9 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -17,6 +17,7 @@ #include "crypto/sha256.h" #include "hash.h" #include "primitives/transaction.h" +#include "netbase.h" #include "scheduler.h" #include "ui_interface.h" #include "utilstrencodings.h" diff --git a/src/net.h b/src/net.h index 41315fc9b..ea03defc4 100644 --- a/src/net.h +++ b/src/net.h @@ -10,7 +10,7 @@ #include "bloom.h" #include "compat.h" #include "limitedmap.h" -#include "netbase.h" +#include "netaddress.h" #include "protocol.h" #include "random.h" #include "streams.h" diff --git a/src/protocol.h b/src/protocol.h index 15f27e2d2..015215b2a 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -10,7 +10,7 @@ #ifndef BITCOIN_PROTOCOL_H #define BITCOIN_PROTOCOL_H -#include "netbase.h" +#include "netaddress.h" #include "serialize.h" #include "uint256.h" #include "version.h" diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp index 684db71a8..d33ab6827 100644 --- a/src/qt/optionsmodel.cpp +++ b/src/qt/optionsmodel.cpp @@ -15,6 +15,7 @@ #include "init.h" #include "main.h" // For DEFAULT_SCRIPTCHECK_THREADS #include "net.h" +#include "netbase.h" #include "txdb.h" // for -dbcache defaults #ifdef ENABLE_WALLET diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp index 21eda07dd..bcaa9164c 100644 --- a/src/qt/rpcconsole.cpp +++ b/src/qt/rpcconsole.cpp @@ -16,6 +16,7 @@ #include "bantablemodel.h" #include "chainparams.h" +#include "netbase.h" #include "rpc/server.h" #include "rpc/client.h" #include "util.h" diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp index b84d00856..5f150e481 100644 --- a/src/test/addrman_tests.cpp +++ b/src/test/addrman_tests.cpp @@ -7,6 +7,7 @@ #include #include "hash.h" +#include "netbase.h" #include "random.h" using namespace std; diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp index fca1a16b2..6511e6ffa 100644 --- a/src/test/net_tests.cpp +++ b/src/test/net_tests.cpp @@ -9,6 +9,7 @@ #include "serialize.h" #include "streams.h" #include "net.h" +#include "netbase.h" #include "chainparams.h" using namespace std; diff --git a/src/timedata.cpp b/src/timedata.cpp index b6bcf86fb..25fc49412 100644 --- a/src/timedata.cpp +++ b/src/timedata.cpp @@ -8,7 +8,7 @@ #include "timedata.h" -#include "netbase.h" +#include "netaddress.h" #include "sync.h" #include "ui_interface.h" #include "util.h" diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp index d3d782747..c7f962700 100644 --- a/src/torcontrol.cpp +++ b/src/torcontrol.cpp @@ -4,6 +4,7 @@ #include "torcontrol.h" #include "utilstrencodings.h" +#include "netbase.h" #include "net.h" #include "util.h" #include "crypto/hmac_sha256.h" diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index a90807e51..aa0a9374c 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -10,7 +10,6 @@ #include "init.h" #include "main.h" #include "net.h" -#include "netbase.h" #include "policy/rbf.h" #include "rpc/server.h" #include "timedata.h" From 8945384bca00f74ba85c98a52925c254c49025a5 Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Thu, 4 Aug 2016 16:37:49 -0400 Subject: [PATCH 7/8] 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 --- src/httpserver.cpp | 2 +- src/init.cpp | 6 ++---- src/net.cpp | 6 ++---- src/netbase.cpp | 9 +++++++-- src/netbase.h | 2 +- src/qt/optionsdialog.cpp | 3 +-- src/test/netbase_tests.cpp | 6 ++---- src/torcontrol.cpp | 5 ++--- 8 files changed, 18 insertions(+), 21 deletions(-) diff --git a/src/httpserver.cpp b/src/httpserver.cpp index 2c5bc2c79..2bb4be564 100644 --- a/src/httpserver.cpp +++ b/src/httpserver.cpp @@ -619,7 +619,7 @@ CService HTTPRequest::GetPeer() const char* address = ""; uint16_t port = 0; evhttp_connection_get_peer(con, (char**)&address, &port); - LookupNumeric(address, peer, port); + peer = LookupNumeric(address, port); } return peer; } diff --git a/src/init.cpp b/src/init.cpp index 4f5eeeffe..04d7ed0ea 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1098,8 +1098,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) std::string proxyArg = GetArg("-proxy", ""); SetLimited(NET_TOR); if (proxyArg != "" && proxyArg != "0") { - CService resolved; - LookupNumeric(proxyArg.c_str(), resolved, 9050); + CService resolved(LookupNumeric(proxyArg.c_str(), 9050)); proxyType addrProxy = proxyType(resolved, proxyRandomize); if (!addrProxy.IsValid()) return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); @@ -1119,8 +1118,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler) if (onionArg == "0") { // Handle -noonion/-onion=0 SetLimited(NET_TOR); // set onions as unreachable } else { - CService resolved; - LookupNumeric(onionArg.c_str(), resolved, 9050); + CService resolved(LookupNumeric(onionArg.c_str(), 9050)); proxyType addrOnion = proxyType(resolved, proxyRandomize); if (!addrOnion.IsValid()) return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); diff --git a/src/net.cpp b/src/net.cpp index e9bb406e9..fc44a0f17 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1728,8 +1728,7 @@ std::vector GetAddedNodeInfo() } BOOST_FOREACH(const std::string& strAddNode, lAddresses) { - CService service; - LookupNumeric(strAddNode.c_str(), service, Params().GetDefaultPort()); + CService service(LookupNumeric(strAddNode.c_str(), Params().GetDefaultPort())); if (service.IsValid()) { // strAddNode is an IP:port auto it = mapConnected.find(service); @@ -1767,8 +1766,7 @@ void ThreadOpenAddedConnections() CSemaphoreGrant grant(*semOutbound); // If strAddedNode is an IP/port, decode it immediately, so // OpenNetworkConnection can detect existing connections to that IP/port. - CService service; - LookupNumeric(info.strAddedNode.c_str(), service, Params().GetDefaultPort()); + CService service(LookupNumeric(info.strAddedNode.c_str(), Params().GetDefaultPort())); OpenNetworkConnection(CAddress(service, NODE_NONE), false, &grant, info.strAddedNode.c_str(), false); MilliSleep(500); } diff --git a/src/netbase.cpp b/src/netbase.cpp index c2294a078..4f243ec6f 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -231,9 +231,14 @@ bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLoo return true; } -bool LookupNumeric(const char *pszName, CService& addr, int portDefault) +CService LookupNumeric(const char *pszName, int portDefault) { - return Lookup(pszName, addr, portDefault, false); + CService addr; + // "1.2:345" will fail to resolve the ip, but will still set the port. + // If the ip fails to resolve, re-init the result. + if(!Lookup(pszName, addr, portDefault, false)) + addr = CService(); + return addr; } struct timeval MillisToTimeval(int64_t nTimeout) diff --git a/src/netbase.h b/src/netbase.h index d0abd5e95..bb12019a8 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -49,7 +49,7 @@ bool LookupHost(const char *pszName, std::vector& vIP, unsigned int nM bool LookupHost(const char *pszName, CNetAddr& addr, bool fAllowLookup); bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup); bool Lookup(const char *pszName, std::vector& vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions); -bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0); +CService LookupNumeric(const char *pszName, int portDefault = 0); bool LookupSubNet(const char *pszName, CSubNet& subnet); bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout, bool *outProxyConnectionFailed = 0); bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest, int portDefault, int nTimeout, bool *outProxyConnectionFailed = 0); diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp index e419e4d9e..f73bb8706 100644 --- a/src/qt/optionsdialog.cpp +++ b/src/qt/optionsdialog.cpp @@ -327,8 +327,7 @@ QValidator::State ProxyAddressValidator::validate(QString &input, int &pos) cons { Q_UNUSED(pos); // Validate the proxy - CService serv; - LookupNumeric(input.toStdString().c_str(), serv, 9050); + CService serv(LookupNumeric(input.toStdString().c_str(), 9050)); proxyType addrProxy = proxyType(serv, true); if (addrProxy.IsValid()) return QValidator::Acceptable; diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp index 7a8584f0f..18ad5dc90 100644 --- a/src/test/netbase_tests.cpp +++ b/src/test/netbase_tests.cpp @@ -93,9 +93,7 @@ BOOST_AUTO_TEST_CASE(netbase_splithost) bool static TestParse(string src, string canon) { - CService addr; - if (!LookupNumeric(src.c_str(), addr, 65535)) - return canon == ""; + CService addr(LookupNumeric(src.c_str(), 65535)); return canon == addr.ToString(); } @@ -107,7 +105,7 @@ BOOST_AUTO_TEST_CASE(netbase_lookupnumeric) BOOST_CHECK(TestParse("::", "[::]:65535")); BOOST_CHECK(TestParse("[::]:8333", "[::]:8333")); BOOST_CHECK(TestParse("[127.0.0.1]", "127.0.0.1:65535")); - BOOST_CHECK(TestParse(":::", "")); + BOOST_CHECK(TestParse(":::", "[::]:0")); } BOOST_AUTO_TEST_CASE(onioncat_test) diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp index c7f962700..99c45d489 100644 --- a/src/torcontrol.cpp +++ b/src/torcontrol.cpp @@ -438,7 +438,7 @@ void TorController::add_onion_cb(TorControlConnection& conn, const TorControlRep if ((i = m.find("PrivateKey")) != m.end()) private_key = i->second; } - LookupNumeric(std::string(service_id+".onion").c_str(), service, GetListenPort()); + service = LookupNumeric(std::string(service_id+".onion").c_str(), GetListenPort()); LogPrintf("tor: Got service ID %s, advertising service %s\n", service_id, service.ToString()); if (WriteBinaryFile(GetPrivateKeyFile(), private_key)) { LogPrint("tor", "tor: Cached service private key to %s\n", GetPrivateKeyFile()); @@ -462,8 +462,7 @@ void TorController::auth_cb(TorControlConnection& conn, const TorControlReply& r // Now that we know Tor is running setup the proxy for onion addresses // if -onion isn't set to something else. if (GetArg("-onion", "") == "") { - CService resolved; - assert(LookupNumeric("127.0.0.1", resolved, 9050)); + CService resolved(LookupNumeric("127.0.0.1", 9050)); proxyType addrOnion = proxyType(resolved, true); SetProxy(NET_TOR, addrOnion); SetLimited(NET_TOR, false); From 9e9d644f5178da8b5743ea3ddc3b779a2c8d1cd4 Mon Sep 17 00:00:00 2001 From: Cory Fields Date: Fri, 12 Aug 2016 14:21:50 -0400 Subject: [PATCH 8/8] net: fixup nits --- src/Makefile.am | 2 +- src/httpserver.cpp | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/Makefile.am b/src/Makefile.am index 0a35a052c..03fac5bf9 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -105,8 +105,8 @@ BITCOIN_CORE_H = \ merkleblock.h \ miner.h \ net.h \ - netbase.h \ netaddress.h \ + netbase.h \ noui.h \ policy/fees.h \ policy/policy.h \ diff --git a/src/httpserver.cpp b/src/httpserver.cpp index 2bb4be564..f921305fc 100644 --- a/src/httpserver.cpp +++ b/src/httpserver.cpp @@ -201,7 +201,7 @@ static bool InitHTTPAllowList() CNetAddr localv6; LookupHost("127.0.0.1", localv4, false); LookupHost("::1", localv6, false); - rpc_allow_subnets.push_back(CSubNet(localv4, 8)); // always allow IPv4 local subnet + rpc_allow_subnets.push_back(CSubNet(localv4, 8)); // always allow IPv4 local subnet rpc_allow_subnets.push_back(CSubNet(localv6)); // always allow IPv6 localhost if (mapMultiArgs.count("-rpcallowip")) { const std::vector& vAllow = mapMultiArgs["-rpcallowip"];