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Merge #10478: rpc: Add listen address to incoming connections in getpeerinfo

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3457331 test: Add test for `getpeerinfo` `bindaddr` field (Wladimir J. van der Laan)
a7e3c28 rpc: Add listen address to incoming connections in `getpeerinfo` (Wladimir J. van der Laan)

Tree-SHA512: bcd58bca2d35fc9698e958e22a7cf8268a6c731a3a309df183f43fc5e725a88ae09f006290fde7aa03cee9a403e2e25772097409677cedbce8f267e01e9040f6
This commit is contained in:
Wladimir J. van der Laan 2017-06-05 15:39:11 +02:00
commit 296928eb38
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GPG Key ID: 1E4AED62986CD25D
6 changed files with 53 additions and 13 deletions
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32
src/net.cpp
View File

@ -340,6 +340,22 @@ bool CConnman::CheckIncomingNonce(uint64_t nonce)
return true;
}
/** Get the bind address for a socket as CAddress */
static CAddress GetBindAddress(SOCKET sock)
{
CAddress addr_bind;
struct sockaddr_storage sockaddr_bind;
socklen_t sockaddr_bind_len = sizeof(sockaddr_bind);
if (sock != INVALID_SOCKET) {
if (!getsockname(sock, (struct sockaddr*)&sockaddr_bind, &sockaddr_bind_len)) {
addr_bind.SetSockAddr((const struct sockaddr*)&sockaddr_bind);
} else {
LogPrint(BCLog::NET, "Warning: getsockname failed\n");
}
}
return addr_bind;
}
CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure)
{
if (pszDest == NULL) {
@ -393,7 +409,8 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
// Add node
NodeId id = GetNewNodeId();
uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize();
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, pszDest ? pszDest : "", false);
CAddress addr_bind = GetBindAddress(hSocket);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addrConnect, CalculateKeyedNetGroup(addrConnect), nonce, addr_bind, pszDest ? pszDest : "", false);
pnode->nServicesExpected = ServiceFlags(addrConnect.nServices & nRelevantServices);
pnode->AddRef();
@ -635,6 +652,7 @@ void CNode::copyStats(CNodeStats &stats)
stats.nodeid = this->GetId();
X(nServices);
X(addr);
X(addrBind);
{
LOCK(cs_filter);
X(fRelayTxes);
@ -1036,9 +1054,11 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
int nInbound = 0;
int nMaxInbound = nMaxConnections - (nMaxOutbound + nMaxFeeler);
if (hSocket != INVALID_SOCKET)
if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
if (hSocket != INVALID_SOCKET) {
if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr)) {
LogPrintf("Warning: Unknown socket family\n");
}
}
bool whitelisted = hListenSocket.whitelisted || IsWhitelistedRange(addr);
{
@ -1092,8 +1112,9 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
NodeId id = GetNewNodeId();
uint64_t nonce = GetDeterministicRandomizer(RANDOMIZER_ID_LOCALHOSTNONCE).Write(id).Finalize();
CAddress addr_bind = GetBindAddress(hSocket);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, "", true);
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, addr_bind, "", true);
pnode->AddRef();
pnode->fWhitelisted = whitelisted;
GetNodeSignals().InitializeNode(pnode, *this);
@ -2639,9 +2660,10 @@ int CConnman::GetBestHeight() const
unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; }
unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; }
CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const std::string& addrNameIn, bool fInboundIn) :
CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string& addrNameIn, bool fInboundIn) :
nTimeConnected(GetSystemTimeInSeconds()),
addr(addrIn),
addrBind(addrBindIn),
fInbound(fInboundIn),
nKeyedNetGroup(nKeyedNetGroupIn),
addrKnown(5000, 0.001),

10
src/net.h
View File

@ -504,8 +504,12 @@ public:
double dPingTime;
double dPingWait;
double dMinPing;
// Our address, as reported by the peer
std::string addrLocal;
// Address of this peer
CAddress addr;
// Bind address of our side of the connection
CAddress addrBind;
};
@ -586,7 +590,10 @@ public:
std::atomic<int64_t> nLastRecv;
const int64_t nTimeConnected;
std::atomic<int64_t> nTimeOffset;
// Address of this peer
const CAddress addr;
// Bind address of our side of the connection
const CAddress addrBind;
std::atomic<int> nVersion;
// strSubVer is whatever byte array we read from the wire. However, this field is intended
// to be printed out, displayed to humans in various forms and so on. So we sanitize it and
@ -676,7 +683,7 @@ public:
CAmount lastSentFeeFilter;
int64_t nextSendTimeFeeFilter;
CNode(NodeId id, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress &addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const std::string &addrNameIn = "", bool fInboundIn = false);
CNode(NodeId id, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress &addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string &addrNameIn = "", bool fInboundIn = false);
~CNode();
private:
@ -695,6 +702,7 @@ private:
mutable CCriticalSection cs_addrName;
std::string addrName;
// Our address, as reported by the peer
CService addrLocal;
mutable CCriticalSection cs_addrLocal;
public:

5
src/rpc/net.cpp
View File

@ -76,7 +76,8 @@ UniValue getpeerinfo(const JSONRPCRequest& request)
" {\n"
" \"id\": n, (numeric) Peer index\n"
" \"addr\":\"host:port\", (string) The ip address and port of the peer\n"
" \"addrlocal\":\"ip:port\", (string) local address\n"
" \"addrbind\":\"ip:port\", (string) Bind address of the connection to the peer\n"
" \"addrlocal\":\"ip:port\", (string) Local address as reported by the peer\n"
" \"services\":\"xxxxxxxxxxxxxxxx\", (string) The services offered\n"
" \"relaytxes\":true|false, (boolean) Whether peer has asked us to relay transactions to it\n"
" \"lastsend\": ttt, (numeric) The time in seconds since epoch (Jan 1 1970 GMT) of the last send\n"
@ -133,6 +134,8 @@ UniValue getpeerinfo(const JSONRPCRequest& request)
obj.push_back(Pair("addr", stats.addrName));
if (!(stats.addrLocal.empty()))
obj.push_back(Pair("addrlocal", stats.addrLocal));
if (stats.addrBind.IsValid())
obj.push_back(Pair("addrbind", stats.addrBind.ToString()));
obj.push_back(Pair("services", strprintf("%016x", stats.nServices)));
obj.push_back(Pair("relaytxes", stats.fRelayTxes));
obj.push_back(Pair("lastsend", stats.nLastSend));

8
src/test/DoS_tests.cpp
View File

@ -51,7 +51,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
connman->ClearBanned();
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 0, 0, "", true);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 0, 0, CAddress(), "", true);
dummyNode1.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode1, *connman);
dummyNode1.nVersion = 1;
@ -62,7 +62,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
BOOST_CHECK(!connman->IsBanned(ip(0xa0b0c001|0x0000ff00))); // Different IP, not banned
CAddress addr2(ip(0xa0b0c002), NODE_NONE);
CNode dummyNode2(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr2, 1, 1, "", true);
CNode dummyNode2(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr2, 1, 1, CAddress(), "", true);
dummyNode2.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode2, *connman);
dummyNode2.nVersion = 1;
@ -83,7 +83,7 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
connman->ClearBanned();
ForceSetArg("-banscore", "111"); // because 11 is my favorite number
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, "", true);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, CAddress(), "", true);
dummyNode1.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode1, *connman);
dummyNode1.nVersion = 1;
@ -109,7 +109,7 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
SetMockTime(nStartTime); // Overrides future calls to GetTime()
CAddress addr(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr, 4, 4, "", true);
CNode dummyNode(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr, 4, 4, CAddress(), "", true);
dummyNode.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode, *connman);
dummyNode.nVersion = 1;

4
src/test/net_tests.cpp
View File

@ -175,12 +175,12 @@ BOOST_AUTO_TEST_CASE(cnode_simple_test)
bool fInboundIn = false;
// Test that fFeeler is false by default.
std::unique_ptr<CNode> pnode1(new CNode(id++, NODE_NETWORK, height, hSocket, addr, 0, 0, pszDest, fInboundIn));
std::unique_ptr<CNode> pnode1(new CNode(id++, NODE_NETWORK, height, hSocket, addr, 0, 0, CAddress(), pszDest, fInboundIn));
BOOST_CHECK(pnode1->fInbound == false);
BOOST_CHECK(pnode1->fFeeler == false);
fInboundIn = true;
std::unique_ptr<CNode> pnode2(new CNode(id++, NODE_NETWORK, height, hSocket, addr, 1, 1, pszDest, fInboundIn));
std::unique_ptr<CNode> pnode2(new CNode(id++, NODE_NETWORK, height, hSocket, addr, 1, 1, CAddress(), pszDest, fInboundIn));
BOOST_CHECK(pnode2->fInbound == true);
BOOST_CHECK(pnode2->fFeeler == false);
}

7
test/functional/net.py
View File

@ -29,6 +29,7 @@ class NetTest(BitcoinTestFramework):
self._test_getnettotals()
self._test_getnetworkinginfo()
self._test_getaddednodeinfo()
self._test_getpeerinfo()
def _test_connection_count(self):
# connect_nodes_bi connects each node to the other
@ -88,6 +89,12 @@ class NetTest(BitcoinTestFramework):
assert_raises_jsonrpc(-24, "Node has not been added",
self.nodes[0].getaddednodeinfo, '1.1.1.1')
def _test_getpeerinfo(self):
peer_info = [x.getpeerinfo() for x in self.nodes]
# check both sides of bidirectional connection between nodes
# the address bound to on one side will be the source address for the other node
assert_equal(peer_info[0][0]['addrbind'], peer_info[1][0]['addr'])
assert_equal(peer_info[1][0]['addrbind'], peer_info[0][0]['addr'])
if __name__ == '__main__':
NetTest().main()