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net: pass CConnman via pointer rather than reference 

There are a few too many edge-cases here to make this a scripted diff.

The following commits will move a few functions into PeerLogicValidation, where
the local connman instance can be used. This change prepares for that usage.
0.16
Cory Fields 8 years ago
parent
bcc8a620ea
commit
28f11e9406
5 changed files with 104 additions and 104 deletions
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  1. 8
      src/net.cpp
  2. 6
      src/net.h
  3. 168
      src/net_processing.cpp
  4. 4
      src/net_processing.h
  5. 22
      src/test/DoS_tests.cpp

8
src/net.cpp
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@ -1114,7 +1114,7 @@ void CConnman::AcceptConnection(const ListenSocket& hListenSocket) {
CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, addr_bind, "", true); CNode* pnode = new CNode(id, nLocalServices, GetBestHeight(), hSocket, addr, CalculateKeyedNetGroup(addr), nonce, addr_bind, "", true);
pnode->AddRef(); pnode->AddRef();
pnode->fWhitelisted = whitelisted; pnode->fWhitelisted = whitelisted;
GetNodeSignals().InitializeNode(pnode, *this); GetNodeSignals().InitializeNode(pnode, this);
LogPrint(BCLog::NET, "connection from %s accepted\n", addr.ToString()); LogPrint(BCLog::NET, "connection from %s accepted\n", addr.ToString());
@ -1966,7 +1966,7 @@ bool CConnman::OpenNetworkConnection(const CAddress& addrConnect, bool fCountFai
if (fAddnode) if (fAddnode)
pnode->fAddnode = true; pnode->fAddnode = true;
GetNodeSignals().InitializeNode(pnode, *this); GetNodeSignals().InitializeNode(pnode, this);
{ {
LOCK(cs_vNodes); LOCK(cs_vNodes);
vNodes.push_back(pnode); vNodes.push_back(pnode);
@ -1996,7 +1996,7 @@ void CConnman::ThreadMessageHandler()
continue; continue;
// Receive messages // Receive messages
bool fMoreNodeWork = GetNodeSignals().ProcessMessages(pnode, *this, flagInterruptMsgProc); bool fMoreNodeWork = GetNodeSignals().ProcessMessages(pnode, this, flagInterruptMsgProc);
fMoreWork |= (fMoreNodeWork && !pnode->fPauseSend); fMoreWork |= (fMoreNodeWork && !pnode->fPauseSend);
if (flagInterruptMsgProc) if (flagInterruptMsgProc)
return; return;
@ -2004,7 +2004,7 @@ void CConnman::ThreadMessageHandler()
// Send messages // Send messages
{ {
LOCK(pnode->cs_sendProcessing); LOCK(pnode->cs_sendProcessing);
GetNodeSignals().SendMessages(pnode, *this, flagInterruptMsgProc); GetNodeSignals().SendMessages(pnode, this, flagInterruptMsgProc);
} }
if (flagInterruptMsgProc) if (flagInterruptMsgProc)
return; return;

6
src/net.h
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@ -441,9 +441,9 @@ struct CombinerAll
// Signals for message handling // Signals for message handling
struct CNodeSignals struct CNodeSignals
{ {
boost::signals2::signal<bool (CNode*, CConnman&, std::atomic<bool>&), CombinerAll> ProcessMessages; boost::signals2::signal<bool (CNode*, CConnman*, std::atomic<bool>&), CombinerAll> ProcessMessages;
boost::signals2::signal<bool (CNode*, CConnman&, std::atomic<bool>&), CombinerAll> SendMessages; boost::signals2::signal<bool (CNode*, CConnman*, std::atomic<bool>&), CombinerAll> SendMessages;
boost::signals2::signal<void (CNode*, CConnman&)> InitializeNode; boost::signals2::signal<void (CNode*, CConnman*)> InitializeNode;
boost::signals2::signal<void (NodeId, bool&)> FinalizeNode; boost::signals2::signal<void (NodeId, bool&)> FinalizeNode;
}; };

168
src/net_processing.cpp
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@ -244,7 +244,7 @@ void UpdatePreferredDownload(CNode* node, CNodeState* state)
nPreferredDownload += state->fPreferredDownload; nPreferredDownload += state->fPreferredDownload;
} }
void PushNodeVersion(CNode *pnode, CConnman& connman, int64_t nTime) void PushNodeVersion(CNode *pnode, CConnman* connman, int64_t nTime)
{ {
ServiceFlags nLocalNodeServices = pnode->GetLocalServices(); ServiceFlags nLocalNodeServices = pnode->GetLocalServices();
uint64_t nonce = pnode->GetLocalNonce(); uint64_t nonce = pnode->GetLocalNonce();
@ -255,7 +255,7 @@ void PushNodeVersion(CNode *pnode, CConnman& connman, int64_t nTime)
CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService(), addr.nServices)); CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService(), addr.nServices));
CAddress addrMe = CAddress(CService(), nLocalNodeServices); CAddress addrMe = CAddress(CService(), nLocalNodeServices);
connman.PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERSION, PROTOCOL_VERSION, (uint64_t)nLocalNodeServices, nTime, addrYou, addrMe, connman->PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERSION, PROTOCOL_VERSION, (uint64_t)nLocalNodeServices, nTime, addrYou, addrMe,
nonce, strSubVersion, nNodeStartingHeight, ::fRelayTxes)); nonce, strSubVersion, nNodeStartingHeight, ::fRelayTxes));
if (fLogIPs) { if (fLogIPs) {
@ -265,7 +265,7 @@ void PushNodeVersion(CNode *pnode, CConnman& connman, int64_t nTime)
} }
} }
void InitializeNode(CNode *pnode, CConnman& connman) { void InitializeNode(CNode *pnode, CConnman* connman) {
CAddress addr = pnode->addr; CAddress addr = pnode->addr;
std::string addrName = pnode->GetAddrName(); std::string addrName = pnode->GetAddrName();
NodeId nodeid = pnode->GetId(); NodeId nodeid = pnode->GetId();
@ -404,7 +404,7 @@ void UpdateBlockAvailability(NodeId nodeid, const uint256 &hash) {
} }
} }
void MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid, CConnman& connman) { void MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid, CConnman* connman) {
AssertLockHeld(cs_main); AssertLockHeld(cs_main);
CNodeState* nodestate = State(nodeid); CNodeState* nodestate = State(nodeid);
if (!nodestate || !nodestate->fSupportsDesiredCmpctVersion) { if (!nodestate || !nodestate->fSupportsDesiredCmpctVersion) {
@ -419,20 +419,20 @@ void MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid, CConnman& connman) {
return; return;
} }
} }
connman.ForNode(nodeid, [&connman](CNode* pfrom){ connman->ForNode(nodeid, [connman](CNode* pfrom){
bool fAnnounceUsingCMPCTBLOCK = false; bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = (pfrom->GetLocalServices() & NODE_WITNESS) ? 2 : 1; uint64_t nCMPCTBLOCKVersion = (pfrom->GetLocalServices() & NODE_WITNESS) ? 2 : 1;
if (lNodesAnnouncingHeaderAndIDs.size() >= 3) { if (lNodesAnnouncingHeaderAndIDs.size() >= 3) {
// As per BIP152, we only get 3 of our peers to announce // As per BIP152, we only get 3 of our peers to announce
// blocks using compact encodings. // blocks using compact encodings.
connman.ForNode(lNodesAnnouncingHeaderAndIDs.front(), [&connman, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion](CNode* pnodeStop){ connman->ForNode(lNodesAnnouncingHeaderAndIDs.front(), [connman, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion](CNode* pnodeStop){
connman.PushMessage(pnodeStop, CNetMsgMaker(pnodeStop->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion)); connman->PushMessage(pnodeStop, CNetMsgMaker(pnodeStop->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
return true; return true;
}); });
lNodesAnnouncingHeaderAndIDs.pop_front(); lNodesAnnouncingHeaderAndIDs.pop_front();
} }
fAnnounceUsingCMPCTBLOCK = true; fAnnounceUsingCMPCTBLOCK = true;
connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion)); connman->PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
lNodesAnnouncingHeaderAndIDs.push_back(pfrom->GetId()); lNodesAnnouncingHeaderAndIDs.push_back(pfrom->GetId());
return true; return true;
}); });
@ -867,7 +867,7 @@ void PeerLogicValidation::BlockChecked(const CBlock& block, const CValidationSta
!IsInitialBlockDownload() && !IsInitialBlockDownload() &&
mapBlocksInFlight.count(hash) == mapBlocksInFlight.size()) { mapBlocksInFlight.count(hash) == mapBlocksInFlight.size()) {
if (it != mapBlockSource.end()) { if (it != mapBlockSource.end()) {
MaybeSetPeerAsAnnouncingHeaderAndIDs(it->second.first, *connman); MaybeSetPeerAsAnnouncingHeaderAndIDs(it->second.first, connman);
} }
} }
if (it != mapBlockSource.end()) if (it != mapBlockSource.end())
@ -912,16 +912,16 @@ bool static AlreadyHave(const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
return true; return true;
} }
static void RelayTransaction(const CTransaction& tx, CConnman& connman) static void RelayTransaction(const CTransaction& tx, CConnman* connman)
{ {
CInv inv(MSG_TX, tx.GetHash()); CInv inv(MSG_TX, tx.GetHash());
connman.ForEachNode([&inv](CNode* pnode) connman->ForEachNode([&inv](CNode* pnode)
{ {
pnode->PushInventory(inv); pnode->PushInventory(inv);
}); });
} }
static void RelayAddress(const CAddress& addr, bool fReachable, CConnman& connman) static void RelayAddress(const CAddress& addr, bool fReachable, CConnman* connman)
{ {
unsigned int nRelayNodes = fReachable ? 2 : 1; // limited relaying of addresses outside our network(s) unsigned int nRelayNodes = fReachable ? 2 : 1; // limited relaying of addresses outside our network(s)
@ -929,7 +929,7 @@ static void RelayAddress(const CAddress& addr, bool fReachable, CConnman& connma
// Use deterministic randomness to send to the same nodes for 24 hours // Use deterministic randomness to send to the same nodes for 24 hours
// at a time so the addrKnowns of the chosen nodes prevent repeats // at a time so the addrKnowns of the chosen nodes prevent repeats
uint64_t hashAddr = addr.GetHash(); uint64_t hashAddr = addr.GetHash();
const CSipHasher hasher = connman.GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY).Write(hashAddr << 32).Write((GetTime() + hashAddr) / (24*60*60)); const CSipHasher hasher = connman->GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY).Write(hashAddr << 32).Write((GetTime() + hashAddr) / (24*60*60));
FastRandomContext insecure_rand; FastRandomContext insecure_rand;
std::array<std::pair<uint64_t, CNode*>,2> best{{{0, nullptr}, {0, nullptr}}}; std::array<std::pair<uint64_t, CNode*>,2> best{{{0, nullptr}, {0, nullptr}}};
@ -954,10 +954,10 @@ static void RelayAddress(const CAddress& addr, bool fReachable, CConnman& connma
} }
}; };
connman.ForEachNodeThen(std::move(sortfunc), std::move(pushfunc)); connman->ForEachNodeThen(std::move(sortfunc), std::move(pushfunc));
} }
void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParams, CConnman& connman, const std::atomic<bool>& interruptMsgProc) void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParams, CConnman* connman, const std::atomic<bool>& interruptMsgProc)
{ {
std::deque<CInv>::iterator it = pfrom->vRecvGetData.begin(); std::deque<CInv>::iterator it = pfrom->vRecvGetData.begin();
std::vector<CInv> vNotFound; std::vector<CInv> vNotFound;
@ -1019,7 +1019,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// disconnect node in case we have reached the outbound limit for serving historical blocks // disconnect node in case we have reached the outbound limit for serving historical blocks
// never disconnect whitelisted nodes // never disconnect whitelisted nodes
static const int nOneWeek = 7 * 24 * 60 * 60; // assume > 1 week = historical static const int nOneWeek = 7 * 24 * 60 * 60; // assume > 1 week = historical
if (send && connman.OutboundTargetReached(true) && ( ((pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - mi->second->GetBlockTime() > nOneWeek)) || inv.type == MSG_FILTERED_BLOCK) && !pfrom->fWhitelisted) if (send && connman->OutboundTargetReached(true) && ( ((pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - mi->second->GetBlockTime() > nOneWeek)) || inv.type == MSG_FILTERED_BLOCK) && !pfrom->fWhitelisted)
{ {
LogPrint(BCLog::NET, "historical block serving limit reached, disconnect peer=%d\n", pfrom->GetId()); LogPrint(BCLog::NET, "historical block serving limit reached, disconnect peer=%d\n", pfrom->GetId());
@ -1042,9 +1042,9 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
pblock = pblockRead; pblock = pblockRead;
} }
if (inv.type == MSG_BLOCK) if (inv.type == MSG_BLOCK)
connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, *pblock)); connman->PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, *pblock));
else if (inv.type == MSG_WITNESS_BLOCK) else if (inv.type == MSG_WITNESS_BLOCK)
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::BLOCK, *pblock)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::BLOCK, *pblock));
else if (inv.type == MSG_FILTERED_BLOCK) else if (inv.type == MSG_FILTERED_BLOCK)
{ {
bool sendMerkleBlock = false; bool sendMerkleBlock = false;
@ -1057,7 +1057,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
} }
} }
if (sendMerkleBlock) { if (sendMerkleBlock) {
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::MERKLEBLOCK, merkleBlock)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::MERKLEBLOCK, merkleBlock));
// CMerkleBlock just contains hashes, so also push any transactions in the block the client did not see // CMerkleBlock just contains hashes, so also push any transactions in the block the client did not see
// This avoids hurting performance by pointlessly requiring a round-trip // This avoids hurting performance by pointlessly requiring a round-trip
// Note that there is currently no way for a node to request any single transactions we didn't send here - // Note that there is currently no way for a node to request any single transactions we didn't send here -
@ -1066,7 +1066,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// however we MUST always provide at least what the remote peer needs // however we MUST always provide at least what the remote peer needs
typedef std::pair<unsigned int, uint256> PairType; typedef std::pair<unsigned int, uint256> PairType;
for (PairType& pair : merkleBlock.vMatchedTxn) for (PairType& pair : merkleBlock.vMatchedTxn)
connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *pblock->vtx[pair.first])); connman->PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *pblock->vtx[pair.first]));
} }
// else // else
// no response // no response
@ -1081,13 +1081,13 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
int nSendFlags = fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS; int nSendFlags = fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
if (CanDirectFetch(consensusParams) && mi->second->nHeight >= chainActive.Height() - MAX_CMPCTBLOCK_DEPTH) { if (CanDirectFetch(consensusParams) && mi->second->nHeight >= chainActive.Height() - MAX_CMPCTBLOCK_DEPTH) {
if ((fPeerWantsWitness || !fWitnessesPresentInARecentCompactBlock) && a_recent_compact_block && a_recent_compact_block->header.GetHash() == mi->second->GetBlockHash()) { if ((fPeerWantsWitness || !fWitnessesPresentInARecentCompactBlock) && a_recent_compact_block && a_recent_compact_block->header.GetHash() == mi->second->GetBlockHash()) {
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *a_recent_compact_block)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *a_recent_compact_block));
} else { } else {
CBlockHeaderAndShortTxIDs cmpctblock(*pblock, fPeerWantsWitness); CBlockHeaderAndShortTxIDs cmpctblock(*pblock, fPeerWantsWitness);
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
} }
} else { } else {
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCK, *pblock)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCK, *pblock));
} }
} }
@ -1099,7 +1099,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// wait for other stuff first. // wait for other stuff first.
std::vector<CInv> vInv; std::vector<CInv> vInv;
vInv.push_back(CInv(MSG_BLOCK, chainActive.Tip()->GetBlockHash())); vInv.push_back(CInv(MSG_BLOCK, chainActive.Tip()->GetBlockHash()));
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::INV, vInv)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::INV, vInv));
pfrom->hashContinue.SetNull(); pfrom->hashContinue.SetNull();
} }
} }
@ -1111,14 +1111,14 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
auto mi = mapRelay.find(inv.hash); auto mi = mapRelay.find(inv.hash);
int nSendFlags = (inv.type == MSG_TX ? SERIALIZE_TRANSACTION_NO_WITNESS : 0); int nSendFlags = (inv.type == MSG_TX ? SERIALIZE_TRANSACTION_NO_WITNESS : 0);
if (mi != mapRelay.end()) { if (mi != mapRelay.end()) {
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *mi->second)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *mi->second));
push = true; push = true;
} else if (pfrom->timeLastMempoolReq) { } else if (pfrom->timeLastMempoolReq) {
auto txinfo = mempool.info(inv.hash); auto txinfo = mempool.info(inv.hash);
// To protect privacy, do not answer getdata using the mempool when // To protect privacy, do not answer getdata using the mempool when
// that TX couldn't have been INVed in reply to a MEMPOOL request. // that TX couldn't have been INVed in reply to a MEMPOOL request.
if (txinfo.tx && txinfo.nTime <= pfrom->timeLastMempoolReq) { if (txinfo.tx && txinfo.nTime <= pfrom->timeLastMempoolReq) {
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *txinfo.tx)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::TX, *txinfo.tx));
push = true; push = true;
} }
} }
@ -1145,7 +1145,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// do that because they want to know about (and store and rebroadcast and // do that because they want to know about (and store and rebroadcast and
// risk analyze) the dependencies of transactions relevant to them, without // risk analyze) the dependencies of transactions relevant to them, without
// having to download the entire memory pool. // having to download the entire memory pool.
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::NOTFOUND, vNotFound)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::NOTFOUND, vNotFound));
} }
} }
@ -1157,7 +1157,7 @@ uint32_t GetFetchFlags(CNode* pfrom) {
return nFetchFlags; return nFetchFlags;
} }
inline void static SendBlockTransactions(const CBlock& block, const BlockTransactionsRequest& req, CNode* pfrom, CConnman& connman) { inline void static SendBlockTransactions(const CBlock& block, const BlockTransactionsRequest& req, CNode* pfrom, CConnman* connman) {
BlockTransactions resp(req); BlockTransactions resp(req);
for (size_t i = 0; i < req.indexes.size(); i++) { for (size_t i = 0; i < req.indexes.size(); i++) {
if (req.indexes[i] >= block.vtx.size()) { if (req.indexes[i] >= block.vtx.size()) {
@ -1171,10 +1171,10 @@ inline void static SendBlockTransactions(const CBlock& block, const BlockTransac
LOCK(cs_main); LOCK(cs_main);
const CNetMsgMaker msgMaker(pfrom->GetSendVersion()); const CNetMsgMaker msgMaker(pfrom->GetSendVersion());
int nSendFlags = State(pfrom->GetId())->fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS; int nSendFlags = State(pfrom->GetId())->fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp)); connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp));
} }
bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CConnman& connman, const std::atomic<bool>& interruptMsgProc) bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CConnman* connman, const std::atomic<bool>& interruptMsgProc)
{ {
LogPrint(BCLog::NET, "received: %s (%u bytes) peer=%d\n", SanitizeString(strCommand), vRecv.size(), pfrom->GetId()); LogPrint(BCLog::NET, "received: %s (%u bytes) peer=%d\n", SanitizeString(strCommand), vRecv.size(), pfrom->GetId());
if (gArgs.IsArgSet("-dropmessagestest") && GetRand(gArgs.GetArg("-dropmessagestest", 0)) == 0) if (gArgs.IsArgSet("-dropmessagestest") && GetRand(gArgs.GetArg("-dropmessagestest", 0)) == 0)
@ -1227,7 +1227,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// Each connection can only send one version message // Each connection can only send one version message
if (pfrom->nVersion != 0) if (pfrom->nVersion != 0)
{ {
connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_DUPLICATE, std::string("Duplicate version message"))); connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_DUPLICATE, std::string("Duplicate version message")));
LOCK(cs_main); LOCK(cs_main);
Misbehaving(pfrom->GetId(), 1); Misbehaving(pfrom->GetId(), 1);
return false; return false;
@ -1251,12 +1251,12 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
nServices = ServiceFlags(nServiceInt); nServices = ServiceFlags(nServiceInt);
if (!pfrom->fInbound) if (!pfrom->fInbound)
{ {
connman.SetServices(pfrom->addr, nServices); connman->SetServices(pfrom->addr, nServices);
} }
if (pfrom->nServicesExpected & ~nServices) if (pfrom->nServicesExpected & ~nServices)
{ {
LogPrint(BCLog::NET, "peer=%d does not offer the expected services (%08x offered, %08x expected); disconnecting\n", pfrom->GetId(), nServices, pfrom->nServicesExpected); LogPrint(BCLog::NET, "peer=%d does not offer the expected services (%08x offered, %08x expected); disconnecting\n", pfrom->GetId(), nServices, pfrom->nServicesExpected);
connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_NONSTANDARD, connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_NONSTANDARD,
strprintf("Expected to offer services %08x", pfrom->nServicesExpected))); strprintf("Expected to offer services %08x", pfrom->nServicesExpected)));
pfrom->fDisconnect = true; pfrom->fDisconnect = true;
return false; return false;
@ -1277,7 +1277,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
{ {
// disconnect from peers older than this proto version // disconnect from peers older than this proto version
LogPrintf("peer=%d using obsolete version %i; disconnecting\n", pfrom->GetId(), nVersion); LogPrintf("peer=%d using obsolete version %i; disconnecting\n", pfrom->GetId(), nVersion);
connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE, connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_OBSOLETE,
strprintf("Version must be %d or greater", MIN_PEER_PROTO_VERSION))); strprintf("Version must be %d or greater", MIN_PEER_PROTO_VERSION)));
pfrom->fDisconnect = true; pfrom->fDisconnect = true;
return false; return false;
@ -1297,7 +1297,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (!vRecv.empty()) if (!vRecv.empty())
vRecv >> fRelay; vRecv >> fRelay;
// Disconnect if we connected to ourself // Disconnect if we connected to ourself
if (pfrom->fInbound && !connman.CheckIncomingNonce(nNonce)) if (pfrom->fInbound && !connman->CheckIncomingNonce(nNonce))
{ {
LogPrintf("connected to self at %s, disconnecting\n", pfrom->addr.ToString()); LogPrintf("connected to self at %s, disconnecting\n", pfrom->addr.ToString());
pfrom->fDisconnect = true; pfrom->fDisconnect = true;
@ -1313,7 +1313,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (pfrom->fInbound) if (pfrom->fInbound)
PushNodeVersion(pfrom, connman, GetAdjustedTime()); PushNodeVersion(pfrom, connman, GetAdjustedTime());
connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERACK)); connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERACK));
pfrom->nServices = nServices; pfrom->nServices = nServices;
pfrom->SetAddrLocal(addrMe); pfrom->SetAddrLocal(addrMe);
@ -1364,12 +1364,12 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
} }
// Get recent addresses // Get recent addresses
if (pfrom->fOneShot || pfrom->nVersion >= CADDR_TIME_VERSION || connman.GetAddressCount() < 1000) if (pfrom->fOneShot || pfrom->nVersion >= CADDR_TIME_VERSION || connman->GetAddressCount() < 1000)
{ {
connman.PushMessage(pfrom, CNetMsgMaker(nSendVersion).Make(NetMsgType::GETADDR)); connman->PushMessage(pfrom, CNetMsgMaker(nSendVersion).Make(NetMsgType::GETADDR));
pfrom->fGetAddr = true; pfrom->fGetAddr = true;
} }
connman.MarkAddressGood(pfrom->addr); connman->MarkAddressGood(pfrom->addr);
} }
std::string remoteAddr; std::string remoteAddr;
@ -1388,7 +1388,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// If the peer is old enough to have the old alert system, send it the final alert. // If the peer is old enough to have the old alert system, send it the final alert.
if (pfrom->nVersion <= 70012) { if (pfrom->nVersion <= 70012) {
CDataStream finalAlert(ParseHex("60010000000000000000000000ffffff7f00000000ffffff7ffeffff7f01ffffff7f00000000ffffff7f00ffffff7f002f555247454e543a20416c657274206b657920636f6d70726f6d697365642c2075706772616465207265717569726564004630440220653febd6410f470f6bae11cad19c48413becb1ac2c17f908fd0fd53bdc3abd5202206d0e9c96fe88d4a0f01ed9dedae2b6f9e00da94cad0fecaae66ecf689bf71b50"), SER_NETWORK, PROTOCOL_VERSION); CDataStream finalAlert(ParseHex("60010000000000000000000000ffffff7f00000000ffffff7ffeffff7f01ffffff7f00000000ffffff7f00ffffff7f002f555247454e543a20416c657274206b657920636f6d70726f6d697365642c2075706772616465207265717569726564004630440220653febd6410f470f6bae11cad19c48413becb1ac2c17f908fd0fd53bdc3abd5202206d0e9c96fe88d4a0f01ed9dedae2b6f9e00da94cad0fecaae66ecf689bf71b50"), SER_NETWORK, PROTOCOL_VERSION);
connman.PushMessage(pfrom, CNetMsgMaker(nSendVersion).Make("alert", finalAlert)); connman->PushMessage(pfrom, CNetMsgMaker(nSendVersion).Make("alert", finalAlert));
} }
// Feeler connections exist only to verify if address is online. // Feeler connections exist only to verify if address is online.
@ -1426,7 +1426,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// We send this to non-NODE NETWORK peers as well, because even // We send this to non-NODE NETWORK peers as well, because even
// non-NODE NETWORK peers can announce blocks (such as pruning // non-NODE NETWORK peers can announce blocks (such as pruning
// nodes) // nodes)
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDHEADERS)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDHEADERS));
} }
if (pfrom->nVersion >= SHORT_IDS_BLOCKS_VERSION) { if (pfrom->nVersion >= SHORT_IDS_BLOCKS_VERSION) {
// Tell our peer we are willing to provide version 1 or 2 cmpctblocks // Tell our peer we are willing to provide version 1 or 2 cmpctblocks
@ -1437,9 +1437,9 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
bool fAnnounceUsingCMPCTBLOCK = false; bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = 2; uint64_t nCMPCTBLOCKVersion = 2;
if (pfrom->GetLocalServices() & NODE_WITNESS) if (pfrom->GetLocalServices() & NODE_WITNESS)
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
nCMPCTBLOCKVersion = 1; nCMPCTBLOCKVersion = 1;
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
} }
pfrom->fSuccessfullyConnected = true; pfrom->fSuccessfullyConnected = true;
} }
@ -1458,7 +1458,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
vRecv >> vAddr; vRecv >> vAddr;
// Don't want addr from older versions unless seeding // Don't want addr from older versions unless seeding
if (pfrom->nVersion < CADDR_TIME_VERSION && connman.GetAddressCount() > 1000) if (pfrom->nVersion < CADDR_TIME_VERSION && connman->GetAddressCount() > 1000)
return true; return true;
if (vAddr.size() > 1000) if (vAddr.size() > 1000)
{ {
@ -1492,7 +1492,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (fReachable) if (fReachable)
vAddrOk.push_back(addr); vAddrOk.push_back(addr);
} }
connman.AddNewAddresses(vAddrOk, pfrom->addr, 2 * 60 * 60); connman->AddNewAddresses(vAddrOk, pfrom->addr, 2 * 60 * 60);
if (vAddr.size() < 1000) if (vAddr.size() < 1000)
pfrom->fGetAddr = false; pfrom->fGetAddr = false;
if (pfrom->fOneShot) if (pfrom->fOneShot)
@ -1570,7 +1570,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// fell back to inv we probably have a reorg which we should get the headers for first, // fell back to inv we probably have a reorg which we should get the headers for first,
// we now only provide a getheaders response here. When we receive the headers, we will // we now only provide a getheaders response here. When we receive the headers, we will
// then ask for the blocks we need. // then ask for the blocks we need.
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), inv.hash)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), inv.hash));
LogPrint(BCLog::NET, "getheaders (%d) %s to peer=%d\n", pindexBestHeader->nHeight, inv.hash.ToString(), pfrom->GetId()); LogPrint(BCLog::NET, "getheaders (%d) %s to peer=%d\n", pindexBestHeader->nHeight, inv.hash.ToString(), pfrom->GetId());
} }
} }
@ -1776,7 +1776,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// will re-announce the new block via headers (or compact blocks again) // will re-announce the new block via headers (or compact blocks again)
// in the SendMessages logic. // in the SendMessages logic.
nodestate->pindexBestHeaderSent = pindex ? pindex : chainActive.Tip(); nodestate->pindexBestHeaderSent = pindex ? pindex : chainActive.Tip();
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::HEADERS, vHeaders)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::HEADERS, vHeaders));
} }
@ -1957,7 +1957,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
pfrom->GetId(), pfrom->GetId(),
FormatStateMessage(state)); FormatStateMessage(state));
if (state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P if (state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(), connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash)); state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash));
if (nDoS > 0) { if (nDoS > 0) {
Misbehaving(pfrom->GetId(), nDoS); Misbehaving(pfrom->GetId(), nDoS);
@ -1977,7 +1977,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (mapBlockIndex.find(cmpctblock.header.hashPrevBlock) == mapBlockIndex.end()) { if (mapBlockIndex.find(cmpctblock.header.hashPrevBlock) == mapBlockIndex.end()) {
// Doesn't connect (or is genesis), instead of DoSing in AcceptBlockHeader, request deeper headers // Doesn't connect (or is genesis), instead of DoSing in AcceptBlockHeader, request deeper headers
if (!IsInitialBlockDownload()) if (!IsInitialBlockDownload())
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256())); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256()));
return true; return true;
} }
} }
@ -2032,7 +2032,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// so we just grab the block via normal getdata // so we just grab the block via normal getdata
std::vector<CInv> vInv(1); std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash()); vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash());
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
} }
return true; return true;
} }
@ -2076,7 +2076,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// Duplicate txindexes, the block is now in-flight, so just request it // Duplicate txindexes, the block is now in-flight, so just request it
std::vector<CInv> vInv(1); std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash()); vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash());
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
return true; return true;
} }
@ -2093,7 +2093,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
fProcessBLOCKTXN = true; fProcessBLOCKTXN = true;
} else { } else {
req.blockhash = pindex->GetBlockHash(); req.blockhash = pindex->GetBlockHash();
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETBLOCKTXN, req)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETBLOCKTXN, req));
} }
} else { } else {
// This block is either already in flight from a different // This block is either already in flight from a different
@ -2119,7 +2119,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// mempool will probably be useless - request the block normally // mempool will probably be useless - request the block normally
std::vector<CInv> vInv(1); std::vector<CInv> vInv(1);
vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash()); vInv[0] = CInv(MSG_BLOCK | GetFetchFlags(pfrom), cmpctblock.header.GetHash());
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vInv));
return true; return true;
} else { } else {
// If this was an announce-cmpctblock, we want the same treatment as a header message // If this was an announce-cmpctblock, we want the same treatment as a header message
@ -2193,7 +2193,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// Might have collided, fall back to getdata now :( // Might have collided, fall back to getdata now :(
std::vector<CInv> invs; std::vector<CInv> invs;
invs.push_back(CInv(MSG_BLOCK | GetFetchFlags(pfrom), resp.blockhash)); invs.push_back(CInv(MSG_BLOCK | GetFetchFlags(pfrom), resp.blockhash));
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, invs)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, invs));
} else { } else {
// Block is either okay, or possibly we received // Block is either okay, or possibly we received
// READ_STATUS_CHECKBLOCK_FAILED. // READ_STATUS_CHECKBLOCK_FAILED.
@ -2274,7 +2274,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// nUnconnectingHeaders gets reset back to 0. // nUnconnectingHeaders gets reset back to 0.
if (mapBlockIndex.find(headers[0].hashPrevBlock) == mapBlockIndex.end() && nCount < MAX_BLOCKS_TO_ANNOUNCE) { if (mapBlockIndex.find(headers[0].hashPrevBlock) == mapBlockIndex.end() && nCount < MAX_BLOCKS_TO_ANNOUNCE) {
nodestate->nUnconnectingHeaders++; nodestate->nUnconnectingHeaders++;
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256())); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexBestHeader), uint256()));
LogPrint(BCLog::NET, "received header %s: missing prev block %s, sending getheaders (%d) to end (peer=%d, nUnconnectingHeaders=%d)\n", LogPrint(BCLog::NET, "received header %s: missing prev block %s, sending getheaders (%d) to end (peer=%d, nUnconnectingHeaders=%d)\n",
headers[0].GetHash().ToString(), headers[0].GetHash().ToString(),
headers[0].hashPrevBlock.ToString(), headers[0].hashPrevBlock.ToString(),
@ -2329,7 +2329,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// TODO: optimize: if pindexLast is an ancestor of chainActive.Tip or pindexBestHeader, continue // TODO: optimize: if pindexLast is an ancestor of chainActive.Tip or pindexBestHeader, continue
// from there instead. // from there instead.
LogPrint(BCLog::NET, "more getheaders (%d) to end to peer=%d (startheight:%d)\n", pindexLast->nHeight, pfrom->GetId(), pfrom->nStartingHeight); LogPrint(BCLog::NET, "more getheaders (%d) to end to peer=%d (startheight:%d)\n", pindexLast->nHeight, pfrom->GetId(), pfrom->nStartingHeight);
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexLast), uint256())); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexLast), uint256()));
} }
bool fCanDirectFetch = CanDirectFetch(chainparams.GetConsensus()); bool fCanDirectFetch = CanDirectFetch(chainparams.GetConsensus());
@ -2379,7 +2379,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// In any case, we want to download using a compact block, not a regular one // In any case, we want to download using a compact block, not a regular one
vGetData[0] = CInv(MSG_CMPCT_BLOCK, vGetData[0].hash); vGetData[0] = CInv(MSG_CMPCT_BLOCK, vGetData[0].hash);
} }
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vGetData)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::GETDATA, vGetData));
} }
} }
} }
@ -2440,7 +2440,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
pfrom->fSentAddr = true; pfrom->fSentAddr = true;
pfrom->vAddrToSend.clear(); pfrom->vAddrToSend.clear();
std::vector<CAddress> vAddr = connman.GetAddresses(); std::vector<CAddress> vAddr = connman->GetAddresses();
FastRandomContext insecure_rand; FastRandomContext insecure_rand;
for (const CAddress &addr : vAddr) for (const CAddress &addr : vAddr)
pfrom->PushAddress(addr, insecure_rand); pfrom->PushAddress(addr, insecure_rand);
@ -2456,7 +2456,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true; return true;
} }
if (connman.OutboundTargetReached(false) && !pfrom->fWhitelisted) if (connman->OutboundTargetReached(false) && !pfrom->fWhitelisted)
{ {
LogPrint(BCLog::NET, "mempool request with bandwidth limit reached, disconnect peer=%d\n", pfrom->GetId()); LogPrint(BCLog::NET, "mempool request with bandwidth limit reached, disconnect peer=%d\n", pfrom->GetId());
pfrom->fDisconnect = true; pfrom->fDisconnect = true;
@ -2485,7 +2485,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// it, if the remote node sends a ping once per second and this node takes 5 // it, if the remote node sends a ping once per second and this node takes 5
// seconds to respond to each, the 5th ping the remote sends would appear to // seconds to respond to each, the 5th ping the remote sends would appear to
// return very quickly. // return very quickly.
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::PONG, nonce)); connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::PONG, nonce));
} }
} }
@ -2631,13 +2631,13 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true; return true;
} }
static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman& connman) static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman* connman)
{ {
AssertLockHeld(cs_main); AssertLockHeld(cs_main);
CNodeState &state = *State(pnode->GetId()); CNodeState &state = *State(pnode->GetId());
for (const CBlockReject& reject : state.rejects) { for (const CBlockReject& reject : state.rejects) {
connman.PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, (std::string)NetMsgType::BLOCK, reject.chRejectCode, reject.strRejectReason, reject.hashBlock)); connman->PushMessage(pnode, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, (std::string)NetMsgType::BLOCK, reject.chRejectCode, reject.strRejectReason, reject.hashBlock));
} }
state.rejects.clear(); state.rejects.clear();
@ -2653,7 +2653,7 @@ static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman& connman)
LogPrintf("Warning: not banning local peer %s!\n", pnode->addr.ToString()); LogPrintf("Warning: not banning local peer %s!\n", pnode->addr.ToString());
else else
{ {
connman.Ban(pnode->addr, BanReasonNodeMisbehaving); connman->Ban(pnode->addr, BanReasonNodeMisbehaving);
} }
} }
return true; return true;
@ -2661,7 +2661,7 @@ static bool SendRejectsAndCheckIfBanned(CNode* pnode, CConnman& connman)
return false; return false;
} }
bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& interruptMsgProc) bool ProcessMessages(CNode* pfrom, CConnman* connman, const std::atomic<bool>& interruptMsgProc)
{ {
const CChainParams& chainparams = Params(); const CChainParams& chainparams = Params();
// //
@ -2695,7 +2695,7 @@ bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& i
// Just take one message // Just take one message
msgs.splice(msgs.begin(), pfrom->vProcessMsg, pfrom->vProcessMsg.begin()); msgs.splice(msgs.begin(), pfrom->vProcessMsg, pfrom->vProcessMsg.begin());
pfrom->nProcessQueueSize -= msgs.front().vRecv.size() + CMessageHeader::HEADER_SIZE; pfrom->nProcessQueueSize -= msgs.front().vRecv.size() + CMessageHeader::HEADER_SIZE;
pfrom->fPauseRecv = pfrom->nProcessQueueSize > connman.GetReceiveFloodSize(); pfrom->fPauseRecv = pfrom->nProcessQueueSize > connman->GetReceiveFloodSize();
fMoreWork = !pfrom->vProcessMsg.empty(); fMoreWork = !pfrom->vProcessMsg.empty();
} }
CNetMessage& msg(msgs.front()); CNetMessage& msg(msgs.front());
@ -2744,7 +2744,7 @@ bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& i
} }
catch (const std::ios_base::failure& e) catch (const std::ios_base::failure& e)
{ {
connman.PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_MALFORMED, std::string("error parsing message"))); connman->PushMessage(pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::REJECT, strCommand, REJECT_MALFORMED, std::string("error parsing message")));
if (strstr(e.what(), "end of data")) if (strstr(e.what(), "end of data"))
{ {
// Allow exceptions from under-length message on vRecv // Allow exceptions from under-length message on vRecv
@ -2798,7 +2798,7 @@ public:
} }
}; };
bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interruptMsgProc) bool SendMessages(CNode* pto, CConnman* connman, const std::atomic<bool>& interruptMsgProc)
{ {
const Consensus::Params& consensusParams = Params().GetConsensus(); const Consensus::Params& consensusParams = Params().GetConsensus();
{ {
@ -2830,11 +2830,11 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
pto->nPingUsecStart = GetTimeMicros(); pto->nPingUsecStart = GetTimeMicros();
if (pto->nVersion > BIP0031_VERSION) { if (pto->nVersion > BIP0031_VERSION) {
pto->nPingNonceSent = nonce; pto->nPingNonceSent = nonce;
connman.PushMessage(pto, msgMaker.Make(NetMsgType::PING, nonce)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::PING, nonce));
} else { } else {
// Peer is too old to support ping command with nonce, pong will never arrive. // Peer is too old to support ping command with nonce, pong will never arrive.
pto->nPingNonceSent = 0; pto->nPingNonceSent = 0;
connman.PushMessage(pto, msgMaker.Make(NetMsgType::PING)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::PING));
} }
} }
@ -2869,14 +2869,14 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
// receiver rejects addr messages larger than 1000 // receiver rejects addr messages larger than 1000
if (vAddr.size() >= 1000) if (vAddr.size() >= 1000)
{ {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr));
vAddr.clear(); vAddr.clear();
} }
} }
} }
pto->vAddrToSend.clear(); pto->vAddrToSend.clear();
if (!vAddr.empty()) if (!vAddr.empty())
connman.PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::ADDR, vAddr));
// we only send the big addr message once // we only send the big addr message once
if (pto->vAddrToSend.capacity() > 40) if (pto->vAddrToSend.capacity() > 40)
pto->vAddrToSend.shrink_to_fit(); pto->vAddrToSend.shrink_to_fit();
@ -2903,7 +2903,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
if (pindexStart->pprev) if (pindexStart->pprev)
pindexStart = pindexStart->pprev; pindexStart = pindexStart->pprev;
LogPrint(BCLog::NET, "initial getheaders (%d) to peer=%d (startheight:%d)\n", pindexStart->nHeight, pto->GetId(), pto->nStartingHeight); LogPrint(BCLog::NET, "initial getheaders (%d) to peer=%d (startheight:%d)\n", pindexStart->nHeight, pto->GetId(), pto->nStartingHeight);
connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexStart), uint256())); connman->PushMessage(pto, msgMaker.Make(NetMsgType::GETHEADERS, chainActive.GetLocator(pindexStart), uint256()));
} }
} }
@ -2912,7 +2912,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
// transactions become unconfirmed and spams other nodes. // transactions become unconfirmed and spams other nodes.
if (!fReindex && !fImporting && !IsInitialBlockDownload()) if (!fReindex && !fImporting && !IsInitialBlockDownload())
{ {
GetMainSignals().Broadcast(nTimeBestReceived, &connman); GetMainSignals().Broadcast(nTimeBestReceived, connman);
} }
// //
@ -2996,10 +2996,10 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
LOCK(cs_most_recent_block); LOCK(cs_most_recent_block);
if (most_recent_block_hash == pBestIndex->GetBlockHash()) { if (most_recent_block_hash == pBestIndex->GetBlockHash()) {
if (state.fWantsCmpctWitness || !fWitnessesPresentInMostRecentCompactBlock) if (state.fWantsCmpctWitness || !fWitnessesPresentInMostRecentCompactBlock)
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *most_recent_compact_block)); connman->PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *most_recent_compact_block));
else { else {
CBlockHeaderAndShortTxIDs cmpctblock(*most_recent_block, state.fWantsCmpctWitness); CBlockHeaderAndShortTxIDs cmpctblock(*most_recent_block, state.fWantsCmpctWitness);
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock)); connman->PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
} }
fGotBlockFromCache = true; fGotBlockFromCache = true;
} }
@ -3009,7 +3009,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
bool ret = ReadBlockFromDisk(block, pBestIndex, consensusParams); bool ret = ReadBlockFromDisk(block, pBestIndex, consensusParams);
assert(ret); assert(ret);
CBlockHeaderAndShortTxIDs cmpctblock(block, state.fWantsCmpctWitness); CBlockHeaderAndShortTxIDs cmpctblock(block, state.fWantsCmpctWitness);
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock)); connman->PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
} }
state.pindexBestHeaderSent = pBestIndex; state.pindexBestHeaderSent = pBestIndex;
} else if (state.fPreferHeaders) { } else if (state.fPreferHeaders) {
@ -3022,7 +3022,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
LogPrint(BCLog::NET, "%s: sending header %s to peer=%d\n", __func__, LogPrint(BCLog::NET, "%s: sending header %s to peer=%d\n", __func__,
vHeaders.front().GetHash().ToString(), pto->GetId()); vHeaders.front().GetHash().ToString(), pto->GetId());
} }
connman.PushMessage(pto, msgMaker.Make(NetMsgType::HEADERS, vHeaders)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::HEADERS, vHeaders));
state.pindexBestHeaderSent = pBestIndex; state.pindexBestHeaderSent = pBestIndex;
} else } else
fRevertToInv = true; fRevertToInv = true;
@ -3068,7 +3068,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
for (const uint256& hash : pto->vInventoryBlockToSend) { for (const uint256& hash : pto->vInventoryBlockToSend) {
vInv.push_back(CInv(MSG_BLOCK, hash)); vInv.push_back(CInv(MSG_BLOCK, hash));
if (vInv.size() == MAX_INV_SZ) { if (vInv.size() == MAX_INV_SZ) {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear(); vInv.clear();
} }
} }
@ -3114,7 +3114,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
pto->filterInventoryKnown.insert(hash); pto->filterInventoryKnown.insert(hash);
vInv.push_back(inv); vInv.push_back(inv);
if (vInv.size() == MAX_INV_SZ) { if (vInv.size() == MAX_INV_SZ) {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear(); vInv.clear();
} }
} }
@ -3180,7 +3180,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
} }
} }
if (vInv.size() == MAX_INV_SZ) { if (vInv.size() == MAX_INV_SZ) {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
vInv.clear(); vInv.clear();
} }
pto->filterInventoryKnown.insert(hash); pto->filterInventoryKnown.insert(hash);
@ -3188,7 +3188,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
} }
} }
if (!vInv.empty()) if (!vInv.empty())
connman.PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::INV, vInv));
// Detect whether we're stalling // Detect whether we're stalling
nNow = GetTimeMicros(); nNow = GetTimeMicros();
@ -3283,7 +3283,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
vGetData.push_back(inv); vGetData.push_back(inv);
if (vGetData.size() >= 1000) if (vGetData.size() >= 1000)
{ {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData));
vGetData.clear(); vGetData.clear();
} }
} else { } else {
@ -3293,7 +3293,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
pto->mapAskFor.erase(pto->mapAskFor.begin()); pto->mapAskFor.erase(pto->mapAskFor.begin());
} }
if (!vGetData.empty()) if (!vGetData.empty())
connman.PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::GETDATA, vGetData));
// //
// Message: feefilter // Message: feefilter
@ -3310,7 +3310,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
// We always have a fee filter of at least minRelayTxFee // We always have a fee filter of at least minRelayTxFee
filterToSend = std::max(filterToSend, ::minRelayTxFee.GetFeePerK()); filterToSend = std::max(filterToSend, ::minRelayTxFee.GetFeePerK());
if (filterToSend != pto->lastSentFeeFilter) { if (filterToSend != pto->lastSentFeeFilter) {
connman.PushMessage(pto, msgMaker.Make(NetMsgType::FEEFILTER, filterToSend)); connman->PushMessage(pto, msgMaker.Make(NetMsgType::FEEFILTER, filterToSend));
pto->lastSentFeeFilter = filterToSend; pto->lastSentFeeFilter = filterToSend;
} }
pto->nextSendTimeFeeFilter = PoissonNextSend(timeNow, AVG_FEEFILTER_BROADCAST_INTERVAL); pto->nextSendTimeFeeFilter = PoissonNextSend(timeNow, AVG_FEEFILTER_BROADCAST_INTERVAL);

4
src/net_processing.h
Unescape View File

@ -53,7 +53,7 @@ bool GetNodeStateStats(NodeId nodeid, CNodeStateStats &stats);
void Misbehaving(NodeId nodeid, int howmuch); void Misbehaving(NodeId nodeid, int howmuch);
/** Process protocol messages received from a given node */ /** Process protocol messages received from a given node */
bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& interrupt); bool ProcessMessages(CNode* pfrom, CConnman* connman, const std::atomic<bool>& interrupt);
/** /**
* Send queued protocol messages to be sent to a give node. * Send queued protocol messages to be sent to a give node.
* *
@ -62,6 +62,6 @@ bool ProcessMessages(CNode* pfrom, CConnman& connman, const std::atomic<bool>& i
* @param[in] interrupt Interrupt condition for processing threads * @param[in] interrupt Interrupt condition for processing threads
* @return True if there is more work to be done * @return True if there is more work to be done
*/ */
bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interrupt); bool SendMessages(CNode* pto, CConnman* connman, const std::atomic<bool>& interrupt);
#endif // BITCOIN_NET_PROCESSING_H #endif // BITCOIN_NET_PROCESSING_H

22
src/test/DoS_tests.cpp
Unescape View File

@ -50,26 +50,26 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
CAddress addr1(ip(0xa0b0c001), NODE_NONE); CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 0, 0, CAddress(), "", true); CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 0, 0, CAddress(), "", true);
dummyNode1.SetSendVersion(PROTOCOL_VERSION); dummyNode1.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode1, *connman); GetNodeSignals().InitializeNode(&dummyNode1, connman);
dummyNode1.nVersion = 1; dummyNode1.nVersion = 1;
dummyNode1.fSuccessfullyConnected = true; dummyNode1.fSuccessfullyConnected = true;
Misbehaving(dummyNode1.GetId(), 100); // Should get banned Misbehaving(dummyNode1.GetId(), 100); // Should get banned
SendMessages(&dummyNode1, *connman, interruptDummy); SendMessages(&dummyNode1, connman, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr1)); BOOST_CHECK(connman->IsBanned(addr1));
BOOST_CHECK(!connman->IsBanned(ip(0xa0b0c001|0x0000ff00))); // Different IP, not banned BOOST_CHECK(!connman->IsBanned(ip(0xa0b0c001|0x0000ff00))); // Different IP, not banned
CAddress addr2(ip(0xa0b0c002), NODE_NONE); CAddress addr2(ip(0xa0b0c002), NODE_NONE);
CNode dummyNode2(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr2, 1, 1, CAddress(), "", true); CNode dummyNode2(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr2, 1, 1, CAddress(), "", true);
dummyNode2.SetSendVersion(PROTOCOL_VERSION); dummyNode2.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode2, *connman); GetNodeSignals().InitializeNode(&dummyNode2, connman);
dummyNode2.nVersion = 1; dummyNode2.nVersion = 1;
dummyNode2.fSuccessfullyConnected = true; dummyNode2.fSuccessfullyConnected = true;
Misbehaving(dummyNode2.GetId(), 50); Misbehaving(dummyNode2.GetId(), 50);
SendMessages(&dummyNode2, *connman, interruptDummy); SendMessages(&dummyNode2, connman, interruptDummy);
BOOST_CHECK(!connman->IsBanned(addr2)); // 2 not banned yet... BOOST_CHECK(!connman->IsBanned(addr2)); // 2 not banned yet...
BOOST_CHECK(connman->IsBanned(addr1)); // ... but 1 still should be BOOST_CHECK(connman->IsBanned(addr1)); // ... but 1 still should be
Misbehaving(dummyNode2.GetId(), 50); Misbehaving(dummyNode2.GetId(), 50);
SendMessages(&dummyNode2, *connman, interruptDummy); SendMessages(&dummyNode2, connman, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr2)); BOOST_CHECK(connman->IsBanned(addr2));
} }
@ -82,17 +82,17 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
CAddress addr1(ip(0xa0b0c001), NODE_NONE); CAddress addr1(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, CAddress(), "", true); CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, CAddress(), "", true);
dummyNode1.SetSendVersion(PROTOCOL_VERSION); dummyNode1.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode1, *connman); GetNodeSignals().InitializeNode(&dummyNode1, connman);
dummyNode1.nVersion = 1; dummyNode1.nVersion = 1;
dummyNode1.fSuccessfullyConnected = true; dummyNode1.fSuccessfullyConnected = true;
Misbehaving(dummyNode1.GetId(), 100); Misbehaving(dummyNode1.GetId(), 100);
SendMessages(&dummyNode1, *connman, interruptDummy); SendMessages(&dummyNode1, connman, interruptDummy);
BOOST_CHECK(!connman->IsBanned(addr1)); BOOST_CHECK(!connman->IsBanned(addr1));
Misbehaving(dummyNode1.GetId(), 10); Misbehaving(dummyNode1.GetId(), 10);
SendMessages(&dummyNode1, *connman, interruptDummy); SendMessages(&dummyNode1, connman, interruptDummy);
BOOST_CHECK(!connman->IsBanned(addr1)); BOOST_CHECK(!connman->IsBanned(addr1));
Misbehaving(dummyNode1.GetId(), 1); Misbehaving(dummyNode1.GetId(), 1);
SendMessages(&dummyNode1, *connman, interruptDummy); SendMessages(&dummyNode1, connman, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr1)); BOOST_CHECK(connman->IsBanned(addr1));
gArgs.ForceSetArg("-banscore", std::to_string(DEFAULT_BANSCORE_THRESHOLD)); gArgs.ForceSetArg("-banscore", std::to_string(DEFAULT_BANSCORE_THRESHOLD));
} }
@ -108,12 +108,12 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
CAddress addr(ip(0xa0b0c001), NODE_NONE); CAddress addr(ip(0xa0b0c001), NODE_NONE);
CNode dummyNode(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr, 4, 4, CAddress(), "", true); CNode dummyNode(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr, 4, 4, CAddress(), "", true);
dummyNode.SetSendVersion(PROTOCOL_VERSION); dummyNode.SetSendVersion(PROTOCOL_VERSION);
GetNodeSignals().InitializeNode(&dummyNode, *connman); GetNodeSignals().InitializeNode(&dummyNode, connman);
dummyNode.nVersion = 1; dummyNode.nVersion = 1;
dummyNode.fSuccessfullyConnected = true; dummyNode.fSuccessfullyConnected = true;
Misbehaving(dummyNode.GetId(), 100); Misbehaving(dummyNode.GetId(), 100);
SendMessages(&dummyNode, *connman, interruptDummy); SendMessages(&dummyNode, connman, interruptDummy);
BOOST_CHECK(connman->IsBanned(addr)); BOOST_CHECK(connman->IsBanned(addr));
SetMockTime(nStartTime+60*60); SetMockTime(nStartTime+60*60);

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