1 // Copyright (c) 2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
9 #include "ui_interface.h"
11 #include "bitcoinrpc.h"
15 #include <boost/asio.hpp>
16 #include <boost/asio/ip/v6_only.hpp>
17 #include <boost/bind.hpp>
18 #include <boost/filesystem.hpp>
19 #include <boost/foreach.hpp>
20 #include <boost/iostreams/concepts.hpp>
21 #include <boost/iostreams/stream.hpp>
22 #include <boost/algorithm/string.hpp>
23 #include <boost/lexical_cast.hpp>
24 #include <boost/asio/ssl.hpp>
25 #include <boost/filesystem/fstream.hpp>
26 #include <boost/shared_ptr.hpp>
29 #define printf OutputDebugStringF
32 using namespace boost;
33 using namespace boost::asio;
34 using namespace json_spirit;
36 void ThreadRPCServer2(void* parg);
38 static std::string strRPCUserColonPass;
40 const Object emptyobj;
42 void ThreadRPCServer3(void* parg);
44 static inline unsigned short GetDefaultRPCPort()
46 return GetBoolArg("-testnet", false) ? 18344 : 8344;
49 Object JSONRPCError(int code, const string& message)
52 error.push_back(Pair("code", code));
53 error.push_back(Pair("message", message));
57 void RPCTypeCheck(const Array& params,
58 const list<Value_type>& typesExpected,
62 BOOST_FOREACH(Value_type t, typesExpected)
64 if (params.size() <= i)
67 const Value& v = params[i];
68 if (!((v.type() == t) || (fAllowNull && (v.type() == null_type))))
70 string err = strprintf("Expected type %s, got %s",
71 Value_type_name[t], Value_type_name[v.type()]);
72 throw JSONRPCError(RPC_TYPE_ERROR, err);
78 void RPCTypeCheck(const Object& o,
79 const map<string, Value_type>& typesExpected,
82 BOOST_FOREACH(const PAIRTYPE(string, Value_type)& t, typesExpected)
84 const Value& v = find_value(o, t.first);
85 if (!fAllowNull && v.type() == null_type)
86 throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing %s", t.first.c_str()));
88 if (!((v.type() == t.second) || (fAllowNull && (v.type() == null_type))))
90 string err = strprintf("Expected type %s for %s, got %s",
91 Value_type_name[t.second], t.first.c_str(), Value_type_name[v.type()]);
92 throw JSONRPCError(RPC_TYPE_ERROR, err);
97 int64_t AmountFromValue(const Value& value)
99 double dAmount = value.get_real();
100 if (dAmount <= 0.0 || dAmount > MAX_MONEY)
101 throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
102 int64_t nAmount = roundint64(dAmount * COIN);
103 if (!MoneyRange(nAmount))
104 throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
108 Value ValueFromAmount(int64_t amount)
110 return (double)amount / (double)COIN;
113 std::string HexBits(unsigned int nBits)
119 uBits.nBits = htonl((int32_t)nBits);
120 return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
125 // Utilities: convert hex-encoded Values
126 // (throws error if not hex).
128 uint256 ParseHashV(const Value& v, string strName)
131 if (v.type() == str_type)
132 strHex = v.get_str();
133 if (!IsHex(strHex)) // Note: IsHex("") is false
134 throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
136 result.SetHex(strHex);
140 uint256 ParseHashO(const Object& o, string strKey)
142 return ParseHashV(find_value(o, strKey), strKey);
145 vector<unsigned char> ParseHexV(const Value& v, string strName)
148 if (v.type() == str_type)
149 strHex = v.get_str();
151 throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
152 return ParseHex(strHex);
155 vector<unsigned char> ParseHexO(const Object& o, string strKey)
157 return ParseHexV(find_value(o, strKey), strKey);
162 /// Note: This interface may still be subject to change.
165 string CRPCTable::help(string strCommand) const
168 set<rpcfn_type> setDone;
169 for (map<string, const CRPCCommand*>::const_iterator mi = mapCommands.begin(); mi != mapCommands.end(); ++mi)
171 const CRPCCommand *pcmd = mi->second;
172 string strMethod = mi->first;
173 // We already filter duplicates, but these deprecated screw up the sort order
174 if (strMethod.find("label") != string::npos)
176 if (strCommand != "" && strMethod != strCommand)
181 rpcfn_type pfn = pcmd->actor;
182 if (setDone.insert(pfn).second)
183 (*pfn)(params, true);
185 catch (std::exception& e)
187 // Help text is returned in an exception
188 string strHelp = string(e.what());
189 if (strCommand == "")
190 if (strHelp.find('\n') != string::npos)
191 strHelp = strHelp.substr(0, strHelp.find('\n'));
192 strRet += strHelp + "\n";
196 strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
197 strRet = strRet.substr(0,strRet.size()-1);
201 Value help(const Array& params, bool fHelp)
203 if (fHelp || params.size() > 1)
206 "List commands, or get help for a command.");
209 if (params.size() > 0)
210 strCommand = params[0].get_str();
212 return tableRPC.help(strCommand);
216 Value stop(const Array& params, bool fHelp)
218 if (fHelp || params.size() > 1)
221 "<detach> is true or false to detach the database or not for this stop only\n"
222 "Stop NovaCoin server (and possibly override the detachdb config value).");
223 // Shutdown will take long enough that the response should get back
224 if (params.size() > 0)
225 bitdb.SetDetach(params[0].get_bool());
227 return "NovaCoin server stopping";
237 static const CRPCCommand vRPCCommands[] =
238 { // name function safemd unlocked
239 // ------------------------ ----------------------- ------ --------
240 { "help", &help, true, true },
241 { "stop", &stop, true, true },
242 { "getbestblockhash", &getbestblockhash, true, false },
243 { "getblockcount", &getblockcount, true, false },
244 { "getconnectioncount", &getconnectioncount, true, false },
245 { "getaddrmaninfo", &getaddrmaninfo, true, false },
246 { "getpeerinfo", &getpeerinfo, true, false },
247 { "addnode", &addnode, true, true },
248 { "getaddednodeinfo", &getaddednodeinfo, true, true },
249 { "getdifficulty", &getdifficulty, true, false },
250 { "getinfo", &getinfo, true, false },
251 { "getsubsidy", &getsubsidy, true, false },
252 { "getmininginfo", &getmininginfo, true, false },
253 { "scaninput", &scaninput, true, true },
254 { "getnewaddress", &getnewaddress, true, false },
255 { "getnettotals", &getnettotals, true, true },
256 { "ntptime", &ntptime, true, true },
257 { "getaccountaddress", &getaccountaddress, true, false },
258 { "setaccount", &setaccount, true, false },
259 { "getaccount", &getaccount, false, false },
260 { "getaddressesbyaccount", &getaddressesbyaccount, true, false },
261 { "sendtoaddress", &sendtoaddress, false, false },
262 { "mergecoins", &mergecoins, false, false },
263 { "getreceivedbyaddress", &getreceivedbyaddress, false, false },
264 { "getreceivedbyaccount", &getreceivedbyaccount, false, false },
265 { "listreceivedbyaddress", &listreceivedbyaddress, false, false },
266 { "listreceivedbyaccount", &listreceivedbyaccount, false, false },
267 { "backupwallet", &backupwallet, true, false },
268 { "keypoolrefill", &keypoolrefill, true, false },
269 { "keypoolreset", &keypoolreset, true, false },
270 { "walletpassphrase", &walletpassphrase, true, false },
271 { "walletpassphrasechange", &walletpassphrasechange, false, false },
272 { "walletlock", &walletlock, true, false },
273 { "encryptwallet", &encryptwallet, false, false },
274 { "validateaddress", &validateaddress, true, false },
275 { "getbalance", &getbalance, false, false },
276 { "move", &movecmd, false, false },
277 { "sendfrom", &sendfrom, false, false },
278 { "sendmany", &sendmany, false, false },
279 { "addmultisigaddress", &addmultisigaddress, false, false },
280 { "addredeemscript", &addredeemscript, false, false },
281 { "getrawmempool", &getrawmempool, true, false },
282 { "getblock", &getblock, false, false },
283 { "getblockbynumber", &getblockbynumber, false, false },
284 { "dumpblock", &dumpblock, false, false },
285 { "dumpblockbynumber", &dumpblockbynumber, false, false },
286 { "getblockhash", &getblockhash, false, false },
287 { "gettransaction", &gettransaction, false, false },
288 { "listtransactions", &listtransactions, false, false },
289 { "listaddressgroupings", &listaddressgroupings, false, false },
290 { "signmessage", &signmessage, false, false },
291 { "verifymessage", &verifymessage, false, false },
292 { "getwork", &getwork, true, false },
293 { "getworkex", &getworkex, true, false },
294 { "listaccounts", &listaccounts, false, false },
295 { "settxfee", &settxfee, false, false },
296 { "getblocktemplate", &getblocktemplate, true, false },
297 { "submitblock", &submitblock, false, false },
298 { "listsinceblock", &listsinceblock, false, false },
299 { "dumpprivkey", &dumpprivkey, false, false },
300 { "dumpwallet", &dumpwallet, true, false },
301 { "importwallet", &importwallet, false, false },
302 { "importprivkey", &importprivkey, false, false },
303 { "importaddress", &importaddress, false, true },
304 { "removeaddress", &removeaddress, false, true },
305 { "listunspent", &listunspent, false, false },
306 { "getrawtransaction", &getrawtransaction, false, false },
307 { "createrawtransaction", &createrawtransaction, false, false },
308 { "decoderawtransaction", &decoderawtransaction, false, false },
309 { "createmultisig", &createmultisig, false, false },
310 { "decodescript", &decodescript, false, false },
311 { "signrawtransaction", &signrawtransaction, false, false },
312 { "sendrawtransaction", &sendrawtransaction, false, false },
313 { "getcheckpoint", &getcheckpoint, true, false },
314 { "reservebalance", &reservebalance, false, true},
315 { "checkwallet", &checkwallet, false, true},
316 { "repairwallet", &repairwallet, false, true},
317 { "resendtx", &resendtx, false, true},
318 { "makekeypair", &makekeypair, false, true},
319 { "newmalleablekey", &newmalleablekey, false, false},
320 { "adjustmalleablekey", &adjustmalleablekey, false, false},
321 { "adjustmalleablepubkey", &adjustmalleablepubkey, false, false},
322 { "listmalleableviews", &listmalleableviews, false, false},
323 { "dumpmalleablekey", &dumpmalleablekey, false, false},
324 { "sendalert", &sendalert, false, false},
327 CRPCTable::CRPCTable()
330 for (vcidx = 0; vcidx < (sizeof(vRPCCommands) / sizeof(vRPCCommands[0])); vcidx++)
332 const CRPCCommand *pcmd;
334 pcmd = &vRPCCommands[vcidx];
335 mapCommands[pcmd->name] = pcmd;
339 const CRPCCommand *CRPCTable::operator[](string name) const
341 map<string, const CRPCCommand*>::const_iterator it = mapCommands.find(name);
342 if (it == mapCommands.end())
350 // This ain't Apache. We're just using HTTP header for the length field
351 // and to be compatible with other JSON-RPC implementations.
354 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
357 s << "POST / HTTP/1.1\r\n"
358 << "User-Agent: novacoin-json-rpc/" << FormatFullVersion() << "\r\n"
359 << "Host: 127.0.0.1\r\n"
360 << "Content-Type: application/json\r\n"
361 << "Content-Length: " << strMsg.size() << "\r\n"
362 << "Connection: close\r\n"
363 << "Accept: application/json\r\n";
364 BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
365 s << item.first << ": " << item.second << "\r\n";
366 s << "\r\n" << strMsg;
373 return DateTimeStrFormat("%a, %d %b %Y %H:%M:%S +0000", GetTime());
376 static string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
378 if (nStatus == HTTP_UNAUTHORIZED)
379 return strprintf("HTTP/1.0 401 Authorization Required\r\n"
381 "Server: novacoin-json-rpc/%s\r\n"
382 "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
383 "Content-Type: text/html\r\n"
384 "Content-Length: 296\r\n"
386 "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
387 "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
390 "<TITLE>Error</TITLE>\r\n"
391 "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
393 "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
394 "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
396 if (nStatus == HTTP_OK) cStatus = "OK";
397 else if (nStatus == HTTP_BAD_REQUEST) cStatus = "Bad Request";
398 else if (nStatus == HTTP_FORBIDDEN) cStatus = "Forbidden";
399 else if (nStatus == HTTP_NOT_FOUND) cStatus = "Not Found";
400 else if (nStatus == HTTP_INTERNAL_SERVER_ERROR) cStatus = "Internal Server Error";
406 "Content-Length: %" PRIszu "\r\n"
407 "Content-Type: application/json\r\n"
408 "Server: novacoin-json-rpc/%s\r\n"
413 rfc1123Time().c_str(),
414 keepalive ? "keep-alive" : "close",
416 FormatFullVersion().c_str(),
420 int ReadHTTPStatus(std::basic_istream<char>& stream, int &proto)
423 getline(stream, str);
424 vector<string> vWords;
425 boost::split(vWords, str, boost::is_any_of(" "));
426 if (vWords.size() < 2)
427 return HTTP_INTERNAL_SERVER_ERROR;
429 const char *ver = strstr(str.c_str(), "HTTP/1.");
432 return atoi(vWords[1].c_str());
435 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
441 std::getline(stream, str);
442 if (str.empty() || str == "\r")
444 string::size_type nColon = str.find(":");
445 if (nColon != string::npos)
447 string strHeader = str.substr(0, nColon);
448 boost::trim(strHeader);
449 boost::to_lower(strHeader);
450 string strValue = str.substr(nColon+1);
451 boost::trim(strValue);
452 mapHeadersRet[strHeader] = strValue;
453 if (strHeader == "content-length")
454 nLen = atoi(strValue.c_str());
460 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
462 mapHeadersRet.clear();
467 int nStatus = ReadHTTPStatus(stream, nProto);
470 int nLen = ReadHTTPHeader(stream, mapHeadersRet);
471 if (nLen < 0 || nLen > (int)MAX_SIZE)
472 return HTTP_INTERNAL_SERVER_ERROR;
477 vector<char> vch(nLen);
478 stream.read(&vch[0], nLen);
479 strMessageRet = string(vch.begin(), vch.end());
482 string sConHdr = mapHeadersRet["connection"];
484 if ((sConHdr != "close") && (sConHdr != "keep-alive"))
487 mapHeadersRet["connection"] = "keep-alive";
489 mapHeadersRet["connection"] = "close";
495 bool HTTPAuthorized(map<string, string>& mapHeaders)
497 string strAuth = mapHeaders["authorization"];
498 if (strAuth.substr(0,6) != "Basic ")
500 string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
501 string strUserPass = DecodeBase64(strUserPass64);
502 return TimingResistantEqual(strUserPass, strRPCUserColonPass);
506 // JSON-RPC protocol. Bitcoin speaks version 1.0 for maximum compatibility,
507 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
508 // unspecified (HTTP errors and contents of 'error').
510 // 1.0 spec: http://json-rpc.org/wiki/specification
511 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
512 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
515 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
518 request.push_back(Pair("method", strMethod));
519 request.push_back(Pair("params", params));
520 request.push_back(Pair("id", id));
521 return write_string(Value(request), false) + "\n";
524 Object JSONRPCReplyObj(const Value& result, const Value& error, const Value& id)
527 if (error.type() != null_type)
528 reply.push_back(Pair("result", Value::null));
530 reply.push_back(Pair("result", result));
531 reply.push_back(Pair("error", error));
532 reply.push_back(Pair("id", id));
536 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
538 Object reply = JSONRPCReplyObj(result, error, id);
539 return write_string(Value(reply), false) + "\n";
542 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
544 // Send error reply from json-rpc error object
545 int nStatus = HTTP_INTERNAL_SERVER_ERROR;
546 int code = find_value(objError, "code").get_int();
547 if (code == RPC_INVALID_REQUEST) nStatus = HTTP_BAD_REQUEST;
548 else if (code == RPC_METHOD_NOT_FOUND) nStatus = HTTP_NOT_FOUND;
549 string strReply = JSONRPCReply(Value::null, objError, id);
550 stream << HTTPReply(nStatus, strReply, false) << std::flush;
553 bool ClientAllowed(const boost::asio::ip::address& address)
555 // Make sure that IPv4-compatible and IPv4-mapped IPv6 addresses are treated as IPv4 addresses
557 && (address.to_v6().is_v4_compatible()
558 || address.to_v6().is_v4_mapped()))
559 return ClientAllowed(address.to_v6().to_v4());
561 if (address == asio::ip::address_v4::loopback()
562 || address == asio::ip::address_v6::loopback()
564 // Check whether IPv4 addresses match 127.0.0.0/8 (loopback subnet)
565 && (address.to_v4().to_ulong() & 0xff000000) == 0x7f000000))
568 const string strAddress = address.to_string();
569 const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
570 BOOST_FOREACH(string strAllow, vAllow)
571 if (WildcardMatch(strAddress, strAllow))
577 // IOStream device that speaks SSL but can also speak non-SSL
579 template <typename Protocol>
580 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
582 SSLIOStreamDevice(asio::ssl::stream<typename Protocol::socket> &streamIn, bool fUseSSLIn) : stream(streamIn)
585 fNeedHandshake = fUseSSLIn;
588 void handshake(ssl::stream_base::handshake_type role)
590 if (!fNeedHandshake) return;
591 fNeedHandshake = false;
592 stream.handshake(role);
594 std::streamsize read(char* s, std::streamsize n)
596 handshake(ssl::stream_base::server); // HTTPS servers read first
597 if (fUseSSL) return stream.read_some(asio::buffer(s, n));
598 return stream.next_layer().read_some(asio::buffer(s, n));
600 std::streamsize write(const char* s, std::streamsize n)
602 handshake(ssl::stream_base::client); // HTTPS clients write first
603 if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
604 return asio::write(stream.next_layer(), asio::buffer(s, n));
606 bool connect(const std::string& server, const std::string& port)
608 ip::tcp::resolver resolver(stream.get_io_service());
609 ip::tcp::resolver::query query(server.c_str(), port.c_str());
610 ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
611 ip::tcp::resolver::iterator end;
612 boost::system::error_code error = asio::error::host_not_found;
613 while (error && endpoint_iterator != end)
615 stream.lowest_layer().close();
616 stream.lowest_layer().connect(*endpoint_iterator++, error);
626 SSLIOStreamDevice& operator=(SSLIOStreamDevice const&);
627 asio::ssl::stream<typename Protocol::socket>& stream;
630 class AcceptedConnection
633 virtual ~AcceptedConnection() {}
635 virtual std::iostream& stream() = 0;
636 virtual std::string peer_address_to_string() const = 0;
637 virtual void close() = 0;
640 template <typename Protocol>
641 class AcceptedConnectionImpl : public AcceptedConnection
644 AcceptedConnectionImpl(
645 asio::io_service& io_service,
646 ssl::context &context,
648 sslStream(io_service, context),
649 _d(sslStream, fUseSSL),
654 virtual std::iostream& stream()
659 virtual std::string peer_address_to_string() const
661 return peer.address().to_string();
669 typename Protocol::endpoint peer;
670 asio::ssl::stream<typename Protocol::socket> sslStream;
673 SSLIOStreamDevice<Protocol> _d;
674 iostreams::stream< SSLIOStreamDevice<Protocol> > _stream;
677 void ThreadRPCServer(void* parg)
679 // Make this thread recognisable as the RPC listener
680 RenameThread("novacoin-rpclist");
684 vnThreadsRunning[THREAD_RPCLISTENER]++;
685 ThreadRPCServer2(parg);
686 vnThreadsRunning[THREAD_RPCLISTENER]--;
688 catch (std::exception& e) {
689 vnThreadsRunning[THREAD_RPCLISTENER]--;
690 PrintException(&e, "ThreadRPCServer()");
692 vnThreadsRunning[THREAD_RPCLISTENER]--;
693 PrintException(NULL, "ThreadRPCServer()");
695 printf("ThreadRPCServer exited\n");
698 // Forward declaration required for RPCListen
699 template <typename Protocol, typename SocketAcceptorService>
700 static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
701 ssl::context& context,
703 AcceptedConnection* conn,
704 const boost::system::error_code& error);
707 * Sets up I/O resources to accept and handle a new connection.
709 template <typename Protocol, typename SocketAcceptorService>
710 static void RPCListen(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
711 ssl::context& context,
715 AcceptedConnectionImpl<Protocol>* conn = new AcceptedConnectionImpl<Protocol>(acceptor->get_io_service(), context, fUseSSL);
717 acceptor->async_accept(
718 conn->sslStream.lowest_layer(),
720 boost::bind(&RPCAcceptHandler<Protocol, SocketAcceptorService>,
725 boost::asio::placeholders::error));
729 * Accept and handle incoming connection.
731 template <typename Protocol, typename SocketAcceptorService>
732 static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
733 ssl::context& context,
735 AcceptedConnection* conn,
736 const boost::system::error_code& error)
738 vnThreadsRunning[THREAD_RPCLISTENER]++;
740 // Immediately start accepting new connections, except when we're cancelled or our socket is closed.
741 if (error != asio::error::operation_aborted
742 && acceptor->is_open())
743 RPCListen(acceptor, context, fUseSSL);
745 AcceptedConnectionImpl<ip::tcp>* tcp_conn = dynamic_cast< AcceptedConnectionImpl<ip::tcp>* >(conn);
747 // TODO: Actually handle errors
753 // Restrict callers by IP. It is important to
754 // do this before starting client thread, to filter out
755 // certain DoS and misbehaving clients.
757 && !ClientAllowed(tcp_conn->peer.address()))
759 // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
761 conn->stream() << HTTPReply(HTTP_FORBIDDEN, "", false) << std::flush;
765 // start HTTP client thread
766 else if (!NewThread(ThreadRPCServer3, conn)) {
767 printf("Failed to create RPC server client thread\n");
771 vnThreadsRunning[THREAD_RPCLISTENER]--;
774 void ThreadRPCServer2(void* parg)
776 printf("ThreadRPCServer started\n");
778 strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
779 if (mapArgs["-rpcpassword"] == "")
781 unsigned char rand_pwd[32];
782 RAND_bytes(rand_pwd, 32);
783 string strWhatAmI = "To use novacoind";
784 if (mapArgs.count("-server"))
785 strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
786 else if (mapArgs.count("-daemon"))
787 strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
788 uiInterface.ThreadSafeMessageBox(strprintf(
789 _("%s, you must set a rpcpassword in the configuration file:\n %s\n"
790 "It is recommended you use the following random password:\n"
791 "rpcuser=novacoinrpc\n"
793 "(you do not need to remember this password)\n"
794 "If the file does not exist, create it with owner-readable-only file permissions.\n"),
796 GetConfigFile().string().c_str(),
797 EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str()),
798 _("Error"), CClientUIInterface::OK | CClientUIInterface::MODAL);
803 const bool fUseSSL = GetBoolArg("-rpcssl");
805 asio::io_service io_service;
807 ssl::context context(io_service, ssl::context::sslv23);
810 context.set_options(ssl::context::no_sslv2);
812 filesystem::path pathCertFile(GetArg("-rpcsslcertificatechainfile", "server.cert"));
813 if (!pathCertFile.is_complete()) pathCertFile = filesystem::path(GetDataDir()) / pathCertFile;
814 if (filesystem::exists(pathCertFile)) context.use_certificate_chain_file(pathCertFile.string());
815 else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", pathCertFile.string().c_str());
817 filesystem::path pathPKFile(GetArg("-rpcsslprivatekeyfile", "server.pem"));
818 if (!pathPKFile.is_complete()) pathPKFile = filesystem::path(GetDataDir()) / pathPKFile;
819 if (filesystem::exists(pathPKFile)) context.use_private_key_file(pathPKFile.string(), ssl::context::pem);
820 else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string().c_str());
822 string strCiphers = GetArg("-rpcsslciphers", "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
823 SSL_CTX_set_cipher_list(context.impl(), strCiphers.c_str());
826 // Try a dual IPv6/IPv4 socket, falling back to separate IPv4 and IPv6 sockets
827 const bool loopback = !mapArgs.count("-rpcallowip");
828 asio::ip::address bindAddress = loopback ? asio::ip::address_v6::loopback() : asio::ip::address_v6::any();
829 ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", GetDefaultRPCPort()));
830 boost::system::error_code v6_only_error;
831 boost::shared_ptr<ip::tcp::acceptor> acceptor(new ip::tcp::acceptor(io_service));
833 boost::signals2::signal<void ()> StopRequests;
835 bool fListening = false;
839 acceptor->open(endpoint.protocol());
840 acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
842 // Try making the socket dual IPv6/IPv4 (if listening on the "any" address)
843 acceptor->set_option(boost::asio::ip::v6_only(loopback), v6_only_error);
845 acceptor->bind(endpoint);
846 acceptor->listen(socket_base::max_connections);
848 RPCListen(acceptor, context, fUseSSL);
849 // Cancel outstanding listen-requests for this acceptor when shutting down
850 StopRequests.connect(signals2::slot<void ()>(
851 static_cast<void (ip::tcp::acceptor::*)()>(&ip::tcp::acceptor::close), acceptor.get())
856 catch(boost::system::system_error &e)
858 strerr = strprintf(_("An error occurred while setting up the RPC port %u for listening on IPv6, falling back to IPv4: %s"), endpoint.port(), e.what());
862 // If dual IPv6/IPv4 failed (or we're opening loopback interfaces only), open IPv4 separately
863 if (!fListening || loopback || v6_only_error)
865 bindAddress = loopback ? asio::ip::address_v4::loopback() : asio::ip::address_v4::any();
866 endpoint.address(bindAddress);
868 acceptor.reset(new ip::tcp::acceptor(io_service));
869 acceptor->open(endpoint.protocol());
870 acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
871 acceptor->bind(endpoint);
872 acceptor->listen(socket_base::max_connections);
874 RPCListen(acceptor, context, fUseSSL);
875 // Cancel outstanding listen-requests for this acceptor when shutting down
876 StopRequests.connect(signals2::slot<void ()>(
877 static_cast<void (ip::tcp::acceptor::*)()>(&ip::tcp::acceptor::close), acceptor.get())
883 catch(boost::system::system_error &e)
885 strerr = strprintf(_("An error occurred while setting up the RPC port %u for listening on IPv4: %s"), endpoint.port(), e.what());
889 uiInterface.ThreadSafeMessageBox(strerr, _("Error"), CClientUIInterface::OK | CClientUIInterface::MODAL);
894 vnThreadsRunning[THREAD_RPCLISTENER]--;
896 io_service.run_one();
897 vnThreadsRunning[THREAD_RPCLISTENER]++;
908 JSONRequest() { id = Value::null; }
909 void parse(const Value& valRequest);
912 void JSONRequest::parse(const Value& valRequest)
915 if (valRequest.type() != obj_type)
916 throw JSONRPCError(RPC_INVALID_REQUEST, "Invalid Request object");
917 const Object& request = valRequest.get_obj();
919 // Parse id now so errors from here on will have the id
920 id = find_value(request, "id");
923 Value valMethod = find_value(request, "method");
924 if (valMethod.type() == null_type)
925 throw JSONRPCError(RPC_INVALID_REQUEST, "Missing method");
926 if (valMethod.type() != str_type)
927 throw JSONRPCError(RPC_INVALID_REQUEST, "Method must be a string");
928 strMethod = valMethod.get_str();
929 if (strMethod != "getwork" && strMethod != "getblocktemplate")
930 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
933 Value valParams = find_value(request, "params");
934 if (valParams.type() == array_type)
935 params = valParams.get_array();
936 else if (valParams.type() == null_type)
939 throw JSONRPCError(RPC_INVALID_REQUEST, "Params must be an array");
942 static Object JSONRPCExecOne(const Value& req)
950 Value result = tableRPC.execute(jreq.strMethod, jreq.params);
951 rpc_result = JSONRPCReplyObj(result, Value::null, jreq.id);
953 catch (Object& objError)
955 rpc_result = JSONRPCReplyObj(Value::null, objError, jreq.id);
957 catch (std::exception& e)
959 rpc_result = JSONRPCReplyObj(Value::null,
960 JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
966 static string JSONRPCExecBatch(const Array& vReq)
969 for (unsigned int reqIdx = 0; reqIdx < vReq.size(); reqIdx++)
970 ret.push_back(JSONRPCExecOne(vReq[reqIdx]));
972 return write_string(Value(ret), false) + "\n";
975 static CCriticalSection cs_THREAD_RPCHANDLER;
977 void ThreadRPCServer3(void* parg)
979 // Make this thread recognisable as the RPC handler
980 RenameThread("novacoin-rpchand");
983 LOCK(cs_THREAD_RPCHANDLER);
984 vnThreadsRunning[THREAD_RPCHANDLER]++;
986 AcceptedConnection *conn = (AcceptedConnection *) parg;
991 if (fShutdown || !fRun)
996 LOCK(cs_THREAD_RPCHANDLER);
997 --vnThreadsRunning[THREAD_RPCHANDLER];
1001 map<string, string> mapHeaders;
1004 ReadHTTP(conn->stream(), mapHeaders, strRequest);
1006 // Check authorization
1007 if (mapHeaders.count("authorization") == 0)
1009 conn->stream() << HTTPReply(HTTP_UNAUTHORIZED, "", false) << std::flush;
1012 if (!HTTPAuthorized(mapHeaders))
1014 printf("ThreadRPCServer incorrect password attempt from %s\n", conn->peer_address_to_string().c_str());
1015 /* Deter brute-forcing short passwords.
1016 If this results in a DOS the user really
1017 shouldn't have their RPC port exposed.*/
1018 if (mapArgs["-rpcpassword"].size() < 20)
1021 conn->stream() << HTTPReply(HTTP_UNAUTHORIZED, "", false) << std::flush;
1024 if (mapHeaders["connection"] == "close")
1032 if (!read_string(strRequest, valRequest))
1033 throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
1037 // singleton request
1038 if (valRequest.type() == obj_type) {
1039 jreq.parse(valRequest);
1041 Value result = tableRPC.execute(jreq.strMethod, jreq.params);
1044 strReply = JSONRPCReply(result, Value::null, jreq.id);
1046 // array of requests
1047 } else if (valRequest.type() == array_type)
1048 strReply = JSONRPCExecBatch(valRequest.get_array());
1050 throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
1052 conn->stream() << HTTPReply(HTTP_OK, strReply, fRun) << std::flush;
1054 catch (Object& objError)
1056 ErrorReply(conn->stream(), objError, jreq.id);
1059 catch (std::exception& e)
1061 ErrorReply(conn->stream(), JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
1068 LOCK(cs_THREAD_RPCHANDLER);
1069 vnThreadsRunning[THREAD_RPCHANDLER]--;
1073 json_spirit::Value CRPCTable::execute(const std::string &strMethod, const json_spirit::Array ¶ms) const
1076 const CRPCCommand *pcmd = tableRPC[strMethod];
1078 throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found");
1080 // Observe safe mode
1081 string strWarning = GetWarnings("rpc");
1082 if (strWarning != "" && !GetBoolArg("-disablesafemode") &&
1084 throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning);
1092 result = pcmd->actor(params, false);
1094 LOCK2(cs_main, pwalletMain->cs_wallet);
1095 result = pcmd->actor(params, false);
1100 catch (std::exception& e)
1102 throw JSONRPCError(RPC_MISC_ERROR, e.what());
1107 Object CallRPC(const string& strMethod, const Array& params)
1109 if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1110 throw runtime_error(strprintf(
1111 _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
1112 "If the file does not exist, create it with owner-readable-only file permissions."),
1113 GetConfigFile().string().c_str()));
1115 // Connect to localhost
1116 bool fUseSSL = GetBoolArg("-rpcssl");
1117 asio::io_service io_service;
1118 ssl::context context(io_service, ssl::context::sslv23);
1119 context.set_options(ssl::context::no_sslv2);
1120 asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context);
1121 SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL);
1122 iostreams::stream< SSLIOStreamDevice<asio::ip::tcp> > stream(d);
1123 if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(GetDefaultRPCPort()))))
1124 throw runtime_error("couldn't connect to server");
1126 // HTTP basic authentication
1127 string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
1128 map<string, string> mapRequestHeaders;
1129 mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
1132 string strRequest = JSONRPCRequest(strMethod, params, 1);
1133 string strPost = HTTPPost(strRequest, mapRequestHeaders);
1134 stream << strPost << std::flush;
1137 map<string, string> mapHeaders;
1139 int nStatus = ReadHTTP(stream, mapHeaders, strReply);
1140 if (nStatus == HTTP_UNAUTHORIZED)
1141 throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
1142 else if (nStatus >= 400 && nStatus != HTTP_BAD_REQUEST && nStatus != HTTP_NOT_FOUND && nStatus != HTTP_INTERNAL_SERVER_ERROR)
1143 throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
1144 else if (strReply.empty())
1145 throw runtime_error("no response from server");
1149 if (!read_string(strReply, valReply))
1150 throw runtime_error("couldn't parse reply from server");
1151 const Object& reply = valReply.get_obj();
1153 throw runtime_error("expected reply to have result, error and id properties");
1161 template<typename T>
1162 void ConvertTo(Value& value, bool fAllowNull=false)
1164 if (fAllowNull && value.type() == null_type)
1166 if (value.type() == str_type)
1168 // reinterpret string as unquoted json value
1170 string strJSON = value.get_str();
1171 if (!read_string(strJSON, value2))
1172 throw runtime_error(string("Error parsing JSON:")+strJSON);
1173 ConvertTo<T>(value2, fAllowNull);
1178 value = value.get_value<T>();
1182 // Convert strings to command-specific RPC representation
1183 Array RPCConvertValues(const std::string &strMethod, const std::vector<std::string> &strParams)
1186 BOOST_FOREACH(const std::string ¶m, strParams)
1187 params.push_back(param);
1189 size_t n = params.size();
1192 // Special case non-string parameter types
1194 if (strMethod == "stop" && n > 0) ConvertTo<bool>(params[0]);
1195 if (strMethod == "getaddednodeinfo" && n > 0) ConvertTo<bool>(params[0]);
1196 if (strMethod == "sendtoaddress" && n > 1) ConvertTo<double>(params[1]);
1197 if (strMethod == "mergecoins" && n > 0) ConvertTo<double>(params[0]);
1198 if (strMethod == "mergecoins" && n > 1) ConvertTo<double>(params[1]);
1199 if (strMethod == "mergecoins" && n > 2) ConvertTo<double>(params[2]);
1200 if (strMethod == "settxfee" && n > 0) ConvertTo<double>(params[0]);
1201 if (strMethod == "getreceivedbyaddress" && n > 1) ConvertTo<int64_t>(params[1]);
1202 if (strMethod == "getreceivedbyaccount" && n > 1) ConvertTo<int64_t>(params[1]);
1203 if (strMethod == "listreceivedbyaddress" && n > 0) ConvertTo<int64_t>(params[0]);
1204 if (strMethod == "listreceivedbyaddress" && n > 1) ConvertTo<bool>(params[1]);
1205 if (strMethod == "listreceivedbyaccount" && n > 0) ConvertTo<int64_t>(params[0]);
1206 if (strMethod == "listreceivedbyaccount" && n > 1) ConvertTo<bool>(params[1]);
1207 if (strMethod == "getbalance" && n > 1) ConvertTo<int64_t>(params[1]);
1208 if (strMethod == "getblock" && n > 1) ConvertTo<bool>(params[1]);
1209 if (strMethod == "getblockbynumber" && n > 0) ConvertTo<int64_t>(params[0]);
1210 if (strMethod == "dumpblockbynumber" && n > 0) ConvertTo<int64_t>(params[0]);
1211 if (strMethod == "getblockbynumber" && n > 1) ConvertTo<bool>(params[1]);
1212 if (strMethod == "getblockhash" && n > 0) ConvertTo<int64_t>(params[0]);
1213 if (strMethod == "move" && n > 2) ConvertTo<double>(params[2]);
1214 if (strMethod == "move" && n > 3) ConvertTo<int64_t>(params[3]);
1215 if (strMethod == "sendfrom" && n > 2) ConvertTo<double>(params[2]);
1216 if (strMethod == "sendfrom" && n > 3) ConvertTo<int64_t>(params[3]);
1217 if (strMethod == "listtransactions" && n > 1) ConvertTo<int64_t>(params[1]);
1218 if (strMethod == "listtransactions" && n > 2) ConvertTo<int64_t>(params[2]);
1219 if (strMethod == "listaccounts" && n > 0) ConvertTo<int64_t>(params[0]);
1220 if (strMethod == "walletpassphrase" && n > 1) ConvertTo<int64_t>(params[1]);
1221 if (strMethod == "walletpassphrase" && n > 2) ConvertTo<bool>(params[2]);
1222 if (strMethod == "getblocktemplate" && n > 0) ConvertTo<Object>(params[0]);
1223 if (strMethod == "listsinceblock" && n > 1) ConvertTo<int64_t>(params[1]);
1225 if (strMethod == "scaninput" && n > 0) ConvertTo<Object>(params[0]);
1227 if (strMethod == "sendalert" && n > 2) ConvertTo<int64_t>(params[2]);
1228 if (strMethod == "sendalert" && n > 3) ConvertTo<int64_t>(params[3]);
1229 if (strMethod == "sendalert" && n > 4) ConvertTo<int64_t>(params[4]);
1230 if (strMethod == "sendalert" && n > 5) ConvertTo<int64_t>(params[5]);
1231 if (strMethod == "sendalert" && n > 6) ConvertTo<int64_t>(params[6]);
1233 if (strMethod == "sendmany" && n > 1) ConvertTo<Object>(params[1]);
1234 if (strMethod == "sendmany" && n > 2) ConvertTo<int64_t>(params[2]);
1235 if (strMethod == "reservebalance" && n > 0) ConvertTo<bool>(params[0]);
1236 if (strMethod == "reservebalance" && n > 1) ConvertTo<double>(params[1]);
1237 if (strMethod == "addmultisigaddress" && n > 0) ConvertTo<int64_t>(params[0]);
1238 if (strMethod == "addmultisigaddress" && n > 1) ConvertTo<Array>(params[1]);
1239 if (strMethod == "listunspent" && n > 0) ConvertTo<int64_t>(params[0]);
1240 if (strMethod == "listunspent" && n > 1) ConvertTo<int64_t>(params[1]);
1241 if (strMethod == "listunspent" && n > 2) ConvertTo<Array>(params[2]);
1242 if (strMethod == "getrawtransaction" && n > 1) ConvertTo<int64_t>(params[1]);
1243 if (strMethod == "createrawtransaction" && n > 0) ConvertTo<Array>(params[0]);
1244 if (strMethod == "createrawtransaction" && n > 1) ConvertTo<Object>(params[1]);
1245 if (strMethod == "createmultisig" && n > 0) ConvertTo<int64_t>(params[0]);
1246 if (strMethod == "createmultisig" && n > 1) ConvertTo<Array>(params[1]);
1247 if (strMethod == "signrawtransaction" && n > 1) ConvertTo<Array>(params[1], true);
1248 if (strMethod == "signrawtransaction" && n > 2) ConvertTo<Array>(params[2], true);
1249 if (strMethod == "keypoolrefill" && n > 0) ConvertTo<int64_t>(params[0]);
1250 if (strMethod == "keypoolreset" && n > 0) ConvertTo<int64_t>(params[0]);
1251 if (strMethod == "importaddress" && n > 2) ConvertTo<bool>(params[2]);
1256 int CommandLineRPC(int argc, char *argv[])
1263 while (argc > 1 && IsSwitchChar(argv[1][0]))
1271 throw runtime_error("too few parameters");
1272 string strMethod = argv[1];
1274 // Parameters default to strings
1275 std::vector<std::string> strParams(&argv[2], &argv[argc]);
1276 Array params = RPCConvertValues(strMethod, strParams);
1279 Object reply = CallRPC(strMethod, params);
1282 const Value& result = find_value(reply, "result");
1283 const Value& error = find_value(reply, "error");
1285 if (error.type() != null_type)
1288 strPrint = "error: " + write_string(error, false);
1289 int code = find_value(error.get_obj(), "code").get_int();
1295 if (result.type() == null_type)
1297 else if (result.type() == str_type)
1298 strPrint = result.get_str();
1300 strPrint = write_string(result, true);
1303 catch (std::exception& e)
1305 strPrint = string("error: ") + e.what();
1310 PrintException(NULL, "CommandLineRPC()");
1315 fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
1324 int main(int argc, char *argv[])
1327 // Turn off Microsoft heap dump noise
1328 _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
1329 _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
1331 setbuf(stdin, NULL);
1332 setbuf(stdout, NULL);
1333 setbuf(stderr, NULL);
1337 if (argc >= 2 && string(argv[1]) == "-server")
1339 printf("server ready\n");
1340 ThreadRPCServer(NULL);
1344 return CommandLineRPC(argc, argv);
1347 catch (std::exception& e) {
1348 PrintException(&e, "main()");
1350 PrintException(NULL, "main()");
1356 const CRPCTable tableRPC;