forked from dArkjON/bitsend-seeder
/
bitcoin.cpp
462 lines (435 loc) · 20.7 KB
/
bitcoin.cpp
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#include <algorithm>
#include "db.h"
#include "netbase.h"
#include "protocol.h"
#include "serialize.h"
#include "uint256.h"
#define BITCOIN_SEED_NONCE 0x0539a019ca550825ULL
using namespace std;
class CNode {
SOCKET sock;
CDataStream vSend;
CDataStream vRecv;
unsigned int nHeaderStart;
unsigned int nMessageStart;
int nVersion;
string strSubVer;
int nStartingHeight;
vector<CAddress> *vAddr;
int ban;
int64 doneAfter;
CAddress you;
int GetTimeout() {
if (you.IsTor())
return 120;
else
return 30;
}
void BeginMessage(const char *pszCommand) {
if (nHeaderStart != -1) AbortMessage();
nHeaderStart = vSend.size();
vSend << CMessageHeader(pszCommand, 0);
nMessageStart = vSend.size();
// printf("%s: SEND %s\n", ToString(you).c_str(), pszCommand);
}
void AbortMessage() {
if (nHeaderStart == -1) return;
vSend.resize(nHeaderStart);
nHeaderStart = -1;
nMessageStart = -1;
}
void EndMessage() {
if (nHeaderStart == -1) return;
unsigned int nSize = vSend.size() - nMessageStart;
memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nMessageSize), &nSize, sizeof(nSize));
if (vSend.GetVersion() >= 209) {
uint256 hash = Hash(vSend.begin() + nMessageStart, vSend.end());
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
assert(nMessageStart - nHeaderStart >= offsetof(CMessageHeader, nChecksum) + sizeof(nChecksum));
memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nChecksum), &nChecksum, sizeof(nChecksum));
}
nHeaderStart = -1;
nMessageStart = -1;
}
void Send() {
if (sock == INVALID_SOCKET) return;
if (vSend.empty()) return;
int nBytes = send(sock, &vSend[0], vSend.size(), 0);
if (nBytes > 0) {
vSend.erase(vSend.begin(), vSend.begin() + nBytes);
} else {
close(sock);
sock = INVALID_SOCKET;
}
}
void PushVersion() {
int64 nTime = time(NULL);
uint64 nLocalNonce = BITCOIN_SEED_NONCE;
int64 nLocalServices = 0;
CAddress me(CService("0.0.0.0"));
BeginMessage("version");
int nBestHeight = GetRequireHeight();
string ver = "/BitSend-seeder:0.15.0.3/";
vSend << PROTOCOL_VERSION << nLocalServices << nTime << you << me << nLocalNonce << ver << nBestHeight;
EndMessage();
}
void GotVersion() {
// printf("\n%s: version %i\n", ToString(you).c_str(), nVersion);
if (vAddr) {
BeginMessage("getaddr");
EndMessage();
doneAfter = time(NULL) + GetTimeout();
} else {
doneAfter = time(NULL) + 1;
}
}
bool ProcessMessage(string strCommand, CDataStream& vRecv) {
// printf("%s: RECV %s\n", ToString(you).c_str(), strCommand.c_str());
if (strCommand == "version") {
int64 nTime;
CAddress addrMe;
CAddress addrFrom;
uint64 nNonce = 1;
vRecv >> nVersion >> you.nServices >> nTime >> addrMe;
if (nVersion == 10300) nVersion = 300;
if (nVersion >= 106 && !vRecv.empty())
vRecv >> addrFrom >> nNonce;
if (nVersion >= 106 && !vRecv.empty())
vRecv >> strSubVer;
if (strSubVer.find("/Satoshi:0.10.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.7.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.8.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.8.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.8.5/") != std::string::npos
|| strSubVer.find("/Satoshi:0.8.6/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.2.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.3/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.4/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.5/") != std::string::npos
|| strSubVer.find("/Satoshi:0.9.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.10.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.10.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.10.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.10.3/") != std::string::npos
|| strSubVer.find("/Satoshi:0.10.4/") != std::string::npos
|| strSubVer.find("/Satoshi:0.11.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.11.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.11.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.11.2(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.11.3/") != std::string::npos
|| strSubVer.find("/Satoshi:0.12.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.12.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.12.99/") != std::string::npos
|| strSubVer.find("/Statoshi:0.12.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.12.1(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.13.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.13.0(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.13.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.13.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.13.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.1(UASF-SegWit-BIP148)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.1(UASF-SegWit-BIP148)/Knots:20170420/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.1.6/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.2/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.2(OI)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.2(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.14.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0(UASF-SegWit-BIP148)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0()/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0(minerbitcoin)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0(bitcore-sl)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0.1(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.0.1(wzrdtales)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.1(no2x; rBitcoin; HODL)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.1(NO2X)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.1(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.15.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0()/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(UASF-SegWit-BIP 148)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(Delete Conbase)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(TheRoom)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(prometheus)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(BCASH-IS-AN-ALTCOIN)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(needs-coffee)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(Hostknight.net - Affordable DDOS protected hosting)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(UASF-SegWit-BIP148)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(NO2X)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.0(the.lightning.land)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1()/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(SegWit)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(MONEYBADGER_DONT_CARE)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(LeiTech-GbR)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(Quantitative Easing LOL)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(UASF-SegWit-BIP148)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(BIP91)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1(Bcash is not Bitcoin)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.1.7/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.99(bitcoin-sl)/") != std::string::npos
|| strSubVer.find("/Statoshi:0.16.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.99/") != std::string::npos
|| strSubVer.find("/Statoshi:0.16.99/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.99(bitcoin-sl)/") != std::string::npos
|| strSubVer.find("/Satoshi:0.16.99(Medea)/") != std::string::npos
|| strSubVer.find("/Satoshi:1.1.1/") != std::string::npos
|| strSubVer.find("/Satoshi:1.14.4(2x)/") != std::string::npos
|| strSubVer.find("/Satoshi:1.15.0(2x)/") != std::string::npos
|| strSubVer.find("/Satoshi:1.15.1(2x)/") != std::string::npos
|| strSubVer.find("/Satoshi:1.15.1(2x; bitcore)/") != std::string::npos
|| strSubVer.find("/Satoshi:1.16.0/") != std::string::npos
|| strSubVer.find("/Satoshi:10.0.1/") != std::string::npos
|| strSubVer.find("/Bitcoin:0.16.1/") != std::string::npos
|| strSubVer.find("/SpuerBitcoin:0.16.0.2/") != std::string::npos
|| strSubVer.find("/SuperBitcoin:0.16.0.2/") != std::string::npos
|| strSubVer.find("/SuperBitcoin:0.17.0.1/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.0.1(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.1.1(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.1.2(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.2(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.2(EB64; AD4)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.3(EB1; AD6)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.3(EB8; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.0.3(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BitcoinUnlimited:1.1.0.99(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.1.1(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.2(EB16; AD12)/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.2(EB16; AD15)/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.2(EB8; AD12)/more_nodes:1runBUxLk1MXAgcqFuXjUP1TEZ2AJCieW/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.2(; AD12)/") != std::string::npos
|| strSubVer.find("/BUCash:1.1.2(EB512; AD2)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.14.6(EB8.0; bitcore)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.14.6(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.15.0(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.15.1(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.16.0(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.16.1(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.16.0(EB8.0; bitcore)/") != std::string::npos
|| strSubVer.find("/Bitcoin ABC:0.16.1(EB8.0; bitcore)/") != std::string::npos
|| strSubVer.find("/Bitcoin Gold:0.15.0.1/") != std::string::npos
|| strSubVer.find("/CKCoind:0.15.1/") != std::string::npos
|| strSubVer.find("/CKCoind:0.16.0/") != std::string::npos
|| strSubVer.find("/btcwire:0.2.0/btcd:0.9.0/") != std::string::npos
|| strSubVer.find("/btcwire:0.4.0/btcd:0.12.0/") != std::string::npos
|| strSubVer.find("/btcwire:0.5.0/btcd:0.12.0/") != std::string::npos
|| strSubVer.find("/libbitcoin:3.4.0/") != std::string::npos
|| strSubVer.find("/WorldBitcoin:0.16.1/") != std::string::npos
|| strSubVer.find("/therealbitcoin.org:0.5.4.2/") != std::string::npos
|| strSubVer.find("/therealbitcoin.org:0.5.4.2/") != std::string::npos
|| strSubVer.find("/therealbitcoin.org:0.7.0.1/") != std::string::npos
|| strSubVer.find("/therealbitcoin.org:0.9.99.99/") != std::string::npos
|| strSubVer.find("/Cornell-Falcon-Network:0.1.0/") != std::string::npos
|| strSubVer.find("/Classic:1.2.0(EB3.7)/") != std::string::npos
|| strSubVer.find("/Classic:1.3.1(EB8)/") != std::string::npos
|| strSubVer.find("/Classic:1.3.3(EB8)/") != std::string::npos
|| strSubVer.find("/Classic:1.3.4(EB8)/") != std::string::npos
|| strSubVer.find("/Classic:1.3.8(EB8)/") != std::string::npos
|| strSubVer.find("/Bitcoin XBC:0.16.1(EB8.0)/") != std::string::npos
|| strSubVer.find("/Bitcoin XT:0.11.0/") != std::string::npos
|| strSubVer.find("/Bitcoin XT:0.11.0C/") != std::string::npos
|| strSubVer.find("/Bitcoin Core SQ:0.16.1(EB8.0)/") != std::string::npos
|| strSubVer.find("/bcoin:v1.0.0-pre/") != std::string::npos
|| strSubVer.find("/bcoin:v1.0.0-beta.12/") != std::string::npos
|| strSubVer.find("/Gocoin:1.9.5/") != std::string::npos
|| strSubVer.find("/QuantumBitcoin:0.16.0.2/") != std::string::npos
|| strSubVer.find("/Bitcoin World:0.15.0.1/") != std::string::npos
|| strSubVer.find("/Aurum:0.12.2/") != std::string::npos
) {
ban = 100000;
return true;
}
if (nVersion >= 209 && !vRecv.empty())
vRecv >> nStartingHeight;
if (nVersion >= 209) {
BeginMessage("verack");
EndMessage();
}
vSend.SetVersion(min(nVersion, PROTOCOL_VERSION));
if (nVersion < 209) {
this->vRecv.SetVersion(min(nVersion, PROTOCOL_VERSION));
GotVersion();
}
return false;
}
if (strCommand == "verack") {
this->vRecv.SetVersion(min(nVersion, PROTOCOL_VERSION));
GotVersion();
return false;
}
if (strCommand == "addr" && vAddr) {
vector<CAddress> vAddrNew;
vRecv >> vAddrNew;
// printf("%s: got %i addresses\n", ToString(you).c_str(), (int)vAddrNew.size());
int64 now = time(NULL);
vector<CAddress>::iterator it = vAddrNew.begin();
if (vAddrNew.size() > 1) {
if (doneAfter == 0 || doneAfter > now + 1) doneAfter = now + 1;
}
while (it != vAddrNew.end()) {
CAddress &addr = *it;
// printf("%s: got address %s\n", ToString(you).c_str(), addr.ToString().c_str(), (int)(vAddr->size()));
it++;
if (addr.nTime <= 100000000 || addr.nTime > now + 600)
addr.nTime = now - 5 * 86400;
if (addr.nTime > now - 604800)
vAddr->push_back(addr);
// printf("%s: added address %s (#%i)\n", ToString(you).c_str(), addr.ToString().c_str(), (int)(vAddr->size()));
if (vAddr->size() > 1000) {doneAfter = 1; return true; }
}
return false;
}
return false;
}
bool ProcessMessages() {
if (vRecv.empty()) return false;
do {
CDataStream::iterator pstart = search(vRecv.begin(), vRecv.end(), BEGIN(pchMessageStart), END(pchMessageStart));
int nHeaderSize = vRecv.GetSerializeSize(CMessageHeader());
if (vRecv.end() - pstart < nHeaderSize) {
if (vRecv.size() > nHeaderSize) {
vRecv.erase(vRecv.begin(), vRecv.end() - nHeaderSize);
}
break;
}
vRecv.erase(vRecv.begin(), pstart);
vector<char> vHeaderSave(vRecv.begin(), vRecv.begin() + nHeaderSize);
CMessageHeader hdr;
vRecv >> hdr;
if (!hdr.IsValid()) {
// printf("%s: BAD (invalid header)\n", ToString(you).c_str());
ban = 100000; return true;
}
string strCommand = hdr.GetCommand();
unsigned int nMessageSize = hdr.nMessageSize;
if (nMessageSize > MAX_SIZE) {
// printf("%s: BAD (message too large)\n", ToString(you).c_str());
ban = 100000;
return true;
}
if (nMessageSize > vRecv.size()) {
vRecv.insert(vRecv.begin(), vHeaderSave.begin(), vHeaderSave.end());
break;
}
if (vRecv.GetVersion() >= 209) {
uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum) continue;
}
CDataStream vMsg(vRecv.begin(), vRecv.begin() + nMessageSize, vRecv.nType, vRecv.nVersion);
vRecv.ignore(nMessageSize);
if (ProcessMessage(strCommand, vMsg))
return true;
// printf("%s: done processing %s\n", ToString(you).c_str(), strCommand.c_str());
} while(1);
return false;
}
public:
CNode(const CService& ip, vector<CAddress>* vAddrIn) : you(ip), nHeaderStart(-1), nMessageStart(-1), vAddr(vAddrIn), ban(0), doneAfter(0), nVersion(0) {
vSend.SetType(SER_NETWORK);
vSend.SetVersion(0);
vRecv.SetType(SER_NETWORK);
vRecv.SetVersion(0);
if (time(NULL) > 1329696000) {
vSend.SetVersion(209);
vRecv.SetVersion(209);
}
}
bool Run() {
bool res = true;
if (!ConnectSocket(you, sock)) return false;
PushVersion();
Send();
int64 now;
while (now = time(NULL), ban == 0 && (doneAfter == 0 || doneAfter > now) && sock != INVALID_SOCKET) {
char pchBuf[0x10000];
fd_set set;
FD_ZERO(&set);
FD_SET(sock,&set);
struct timeval wa;
if (doneAfter) {
wa.tv_sec = doneAfter - now;
wa.tv_usec = 0;
} else {
wa.tv_sec = GetTimeout();
wa.tv_usec = 0;
}
int ret = select(sock+1, &set, NULL, &set, &wa);
if (ret != 1) {
if (!doneAfter) res = false;
break;
}
int nBytes = recv(sock, pchBuf, sizeof(pchBuf), 0);
int nPos = vRecv.size();
if (nBytes > 0) {
vRecv.resize(nPos + nBytes);
memcpy(&vRecv[nPos], pchBuf, nBytes);
} else if (nBytes == 0) {
// printf("%s: BAD (connection closed prematurely)\n", ToString(you).c_str());
res = false;
break;
} else {
// printf("%s: BAD (connection error)\n", ToString(you).c_str());
res = false;
break;
}
ProcessMessages();
Send();
}
if (sock == INVALID_SOCKET) res = false;
close(sock);
sock = INVALID_SOCKET;
return (ban == 0) && res;
}
int GetBan() {
return ban;
}
int GetClientVersion() {
return nVersion;
}
std::string GetClientSubVersion() {
return strSubVer;
}
int GetStartingHeight() {
return nStartingHeight;
}
};
bool TestNode(const CService &cip, int &ban, int &clientV, std::string &clientSV, int &blocks, vector<CAddress>* vAddr) {
try {
CNode node(cip, vAddr);
bool ret = node.Run();
if (!ret) {
ban = node.GetBan();
} else {
ban = 0;
}
clientV = node.GetClientVersion();
clientSV = node.GetClientSubVersion();
blocks = node.GetStartingHeight();
// printf("%s: %s!!!\n", cip.ToString().c_str(), ret ? "GOOD" : "BAD");
return ret;
} catch(std::ios_base::failure& e) {
ban = 0;
return false;
}
}
/*
int main(void) {
CService ip("bitsend.info", 8886, true);
vector<CAddress> vAddr;
vAddr.clear();
int ban = 0;
bool ret = TestNode(ip, ban, vAddr);
printf("ret=%s ban=%i vAddr.size()=%i\n", ret ? "good" : "bad", ban, (int)vAddr.size());
}
*/