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- // Copyright (c) 2010 Satoshi Nakamoto
- // Copyright (c) 2009-2012 The Bitcoin developers
- // Distributed under the MIT/X11 software license, see the accompanying
- // file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
- #include "chainparams.h"
- #include "init.h"
- #include "util.h"
- #include "sync.h"
- #include "ui_interface.h"
- #include "base58.h"
- #include "bitcoinrpc.h"
- #include "db.h"
-
- #include <boost/algorithm/string.hpp>
- #include <boost/asio.hpp>
- #include <boost/asio/ip/v6_only.hpp>
- #include <boost/asio/ssl.hpp>
- #include <boost/bind.hpp>
- #include <boost/filesystem.hpp>
- #include <boost/filesystem/fstream.hpp>
- #include <boost/foreach.hpp>
- #include <boost/iostreams/concepts.hpp>
- #include <boost/iostreams/stream.hpp>
- #include <boost/lexical_cast.hpp>
- #include <boost/shared_ptr.hpp>
- #include <list>
-
- using namespace std;
- using namespace boost;
- using namespace boost::asio;
- using namespace json_spirit;
-
- static std::string strRPCUserColonPass;
-
- // These are created by StartRPCThreads, destroyed in StopRPCThreads
- static asio::io_service* rpc_io_service = NULL;
- static map<string, boost::shared_ptr<deadline_timer> > deadlineTimers;
- static ssl::context* rpc_ssl_context = NULL;
- static boost::thread_group* rpc_worker_group = NULL;
-
- Object JSONRPCError(int code, const string& message)
- {
- Object error;
- error.push_back(Pair("code", code));
- error.push_back(Pair("message", message));
- return error;
- }
-
- void RPCTypeCheck(const Array& params,
- const list<Value_type>& typesExpected,
- bool fAllowNull)
- {
- unsigned int i = 0;
- BOOST_FOREACH(Value_type t, typesExpected)
- {
- if (params.size() <= i)
- break;
-
- const Value& v = params[i];
- if (!((v.type() == t) || (fAllowNull && (v.type() == null_type))))
- {
- string err = strprintf("Expected type %s, got %s",
- Value_type_name[t], Value_type_name[v.type()]);
- throw JSONRPCError(RPC_TYPE_ERROR, err);
- }
- i++;
- }
- }
-
- void RPCTypeCheck(const Object& o,
- const map<string, Value_type>& typesExpected,
- bool fAllowNull)
- {
- BOOST_FOREACH(const PAIRTYPE(string, Value_type)& t, typesExpected)
- {
- const Value& v = find_value(o, t.first);
- if (!fAllowNull && v.type() == null_type)
- throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing %s", t.first.c_str()));
-
- if (!((v.type() == t.second) || (fAllowNull && (v.type() == null_type))))
- {
- string err = strprintf("Expected type %s for %s, got %s",
- Value_type_name[t.second], t.first.c_str(), Value_type_name[v.type()]);
- throw JSONRPCError(RPC_TYPE_ERROR, err);
- }
- }
- }
-
- int64 AmountFromValue(const Value& value)
- {
- double dAmount = value.get_real();
- if (dAmount <= 0.0 || dAmount > 21000000.0)
- throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
- int64 nAmount = roundint64(dAmount * COIN);
- if (!MoneyRange(nAmount))
- throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
- return nAmount;
- }
-
- Value ValueFromAmount(int64 amount)
- {
- return (double)amount / (double)COIN;
- }
-
- std::string HexBits(unsigned int nBits)
- {
- union {
- int32_t nBits;
- char cBits[4];
- } uBits;
- uBits.nBits = htonl((int32_t)nBits);
- return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
- }
-
-
-
- ///
- /// Note: This interface may still be subject to change.
- ///
-
- string CRPCTable::help(string strCommand) const
- {
- string strRet;
- set<rpcfn_type> setDone;
- for (map<string, const CRPCCommand*>::const_iterator mi = mapCommands.begin(); mi != mapCommands.end(); ++mi)
- {
- const CRPCCommand *pcmd = mi->second;
- string strMethod = mi->first;
- // We already filter duplicates, but these deprecated screw up the sort order
- if (strMethod.find("label") != string::npos)
- continue;
- if (strCommand != "" && strMethod != strCommand)
- continue;
- try
- {
- Array params;
- rpcfn_type pfn = pcmd->actor;
- if (setDone.insert(pfn).second)
- (*pfn)(params, true);
- }
- catch (std::exception& e)
- {
- // Help text is returned in an exception
- string strHelp = string(e.what());
- if (strCommand == "")
- if (strHelp.find('\n') != string::npos)
- strHelp = strHelp.substr(0, strHelp.find('\n'));
- strRet += strHelp + "\n";
- }
- }
- if (strRet == "")
- strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
- strRet = strRet.substr(0,strRet.size()-1);
- return strRet;
- }
-
- Value help(const Array& params, bool fHelp)
- {
- if (fHelp || params.size() > 1)
- throw runtime_error(
- "help [command]\n"
- "List commands, or get help for a command.");
-
- string strCommand;
- if (params.size() > 0)
- strCommand = params[0].get_str();
-
- return tableRPC.help(strCommand);
- }
-
-
- Value stop(const Array& params, bool fHelp)
- {
- // Accept the deprecated and ignored 'detach' boolean argument
- if (fHelp || params.size() > 1)
- throw runtime_error(
- "stop\n"
- "Stop Bitcoin server.");
- // Shutdown will take long enough that the response should get back
- StartShutdown();
- return "Bitcoin server stopping";
- }
-
-
-
- //
- // Call Table
- //
-
-
- static const CRPCCommand vRPCCommands[] =
- { // name actor (function) okSafeMode threadSafe
- // ------------------------ ----------------------- ---------- ----------
- { "help", &help, true, true },
- { "stop", &stop, true, true },
- { "getblockcount", &getblockcount, true, false },
- { "getconnectioncount", &getconnectioncount, true, false },
- { "getpeerinfo", &getpeerinfo, true, false },
- { "addnode", &addnode, true, true },
- { "getaddednodeinfo", &getaddednodeinfo, true, true },
- { "getdifficulty", &getdifficulty, true, false },
- { "getgenerate", &getgenerate, true, false },
- { "setgenerate", &setgenerate, true, false },
- { "gethashespersec", &gethashespersec, true, false },
- { "getinfo", &getinfo, true, false },
- { "getmininginfo", &getmininginfo, true, false },
- { "getnewaddress", &getnewaddress, true, false },
- { "getaccountaddress", &getaccountaddress, true, false },
- { "setaccount", &setaccount, true, false },
- { "getaccount", &getaccount, false, false },
- { "getaddressesbyaccount", &getaddressesbyaccount, true, false },
- { "sendtoaddress", &sendtoaddress, false, false },
- { "getreceivedbyaddress", &getreceivedbyaddress, false, false },
- { "getreceivedbyaccount", &getreceivedbyaccount, false, false },
- { "listreceivedbyaddress", &listreceivedbyaddress, false, false },
- { "listreceivedbyaccount", &listreceivedbyaccount, false, false },
- { "backupwallet", &backupwallet, true, false },
- { "keypoolrefill", &keypoolrefill, true, false },
- { "walletpassphrase", &walletpassphrase, true, false },
- { "walletpassphrasechange", &walletpassphrasechange, false, false },
- { "walletlock", &walletlock, true, false },
- { "encryptwallet", &encryptwallet, false, false },
- { "validateaddress", &validateaddress, true, false },
- { "getbalance", &getbalance, false, false },
- { "move", &movecmd, false, false },
- { "sendfrom", &sendfrom, false, false },
- { "sendmany", &sendmany, false, false },
- { "addmultisigaddress", &addmultisigaddress, false, false },
- { "createmultisig", &createmultisig, true, true },
- { "getrawmempool", &getrawmempool, true, false },
- { "getblock", &getblock, false, false },
- { "getblockhash", &getblockhash, false, false },
- { "gettransaction", &gettransaction, false, false },
- { "listtransactions", &listtransactions, false, false },
- { "listaddressgroupings", &listaddressgroupings, false, false },
- { "signmessage", &signmessage, false, false },
- { "verifymessage", &verifymessage, false, false },
- { "getwork", &getwork, true, false },
- { "listaccounts", &listaccounts, false, false },
- { "settxfee", &settxfee, false, false },
- { "getblocktemplate", &getblocktemplate, true, false },
- { "submitblock", &submitblock, false, false },
- { "listsinceblock", &listsinceblock, false, false },
- { "dumpprivkey", &dumpprivkey, true, false },
- { "importprivkey", &importprivkey, false, false },
- { "listunspent", &listunspent, false, false },
- { "getrawtransaction", &getrawtransaction, false, false },
- { "createrawtransaction", &createrawtransaction, false, false },
- { "decoderawtransaction", &decoderawtransaction, false, false },
- { "signrawtransaction", &signrawtransaction, false, false },
- { "sendrawtransaction", &sendrawtransaction, false, false },
- { "gettxoutsetinfo", &gettxoutsetinfo, true, false },
- { "gettxout", &gettxout, true, false },
- { "lockunspent", &lockunspent, false, false },
- { "listlockunspent", &listlockunspent, false, false },
- };
-
- CRPCTable::CRPCTable()
- {
- unsigned int vcidx;
- for (vcidx = 0; vcidx < (sizeof(vRPCCommands) / sizeof(vRPCCommands[0])); vcidx++)
- {
- const CRPCCommand *pcmd;
-
- pcmd = &vRPCCommands[vcidx];
- mapCommands[pcmd->name] = pcmd;
- }
- }
-
- const CRPCCommand *CRPCTable::operator[](string name) const
- {
- map<string, const CRPCCommand*>::const_iterator it = mapCommands.find(name);
- if (it == mapCommands.end())
- return NULL;
- return (*it).second;
- }
-
- //
- // HTTP protocol
- //
- // This ain't Apache. We're just using HTTP header for the length field
- // and to be compatible with other JSON-RPC implementations.
- //
-
- string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
- {
- ostringstream s;
- s << "POST / HTTP/1.1\r\n"
- << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
- << "Host: 127.0.0.1\r\n"
- << "Content-Type: application/json\r\n"
- << "Content-Length: " << strMsg.size() << "\r\n"
- << "Connection: close\r\n"
- << "Accept: application/json\r\n";
- BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
- s << item.first << ": " << item.second << "\r\n";
- s << "\r\n" << strMsg;
-
- return s.str();
- }
-
- string rfc1123Time()
- {
- char buffer[64];
- time_t now;
- time(&now);
- struct tm* now_gmt = gmtime(&now);
- string locale(setlocale(LC_TIME, NULL));
- setlocale(LC_TIME, "C"); // we want POSIX (aka "C") weekday/month strings
- strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
- setlocale(LC_TIME, locale.c_str());
- return string(buffer);
- }
-
- static string HTTPReply(int nStatus, const string& strMsg, bool keepalive)
- {
- if (nStatus == HTTP_UNAUTHORIZED)
- return strprintf("HTTP/1.0 401 Authorization Required\r\n"
- "Date: %s\r\n"
- "Server: bitcoin-json-rpc/%s\r\n"
- "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
- "Content-Type: text/html\r\n"
- "Content-Length: 296\r\n"
- "\r\n"
- "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
- "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
- "<HTML>\r\n"
- "<HEAD>\r\n"
- "<TITLE>Error</TITLE>\r\n"
- "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
- "</HEAD>\r\n"
- "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
- "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
- const char *cStatus;
- if (nStatus == HTTP_OK) cStatus = "OK";
- else if (nStatus == HTTP_BAD_REQUEST) cStatus = "Bad Request";
- else if (nStatus == HTTP_FORBIDDEN) cStatus = "Forbidden";
- else if (nStatus == HTTP_NOT_FOUND) cStatus = "Not Found";
- else if (nStatus == HTTP_INTERNAL_SERVER_ERROR) cStatus = "Internal Server Error";
- else cStatus = "";
- return strprintf(
- "HTTP/1.1 %d %s\r\n"
- "Date: %s\r\n"
- "Connection: %s\r\n"
- "Content-Length: %"PRIszu"\r\n"
- "Content-Type: application/json\r\n"
- "Server: bitcoin-json-rpc/%s\r\n"
- "\r\n"
- "%s",
- nStatus,
- cStatus,
- rfc1123Time().c_str(),
- keepalive ? "keep-alive" : "close",
- strMsg.size(),
- FormatFullVersion().c_str(),
- strMsg.c_str());
- }
-
- bool ReadHTTPRequestLine(std::basic_istream<char>& stream, int &proto,
- string& http_method, string& http_uri)
- {
- string str;
- getline(stream, str);
-
- // HTTP request line is space-delimited
- vector<string> vWords;
- boost::split(vWords, str, boost::is_any_of(" "));
- if (vWords.size() < 2)
- return false;
-
- // HTTP methods permitted: GET, POST
- http_method = vWords[0];
- if (http_method != "GET" && http_method != "POST")
- return false;
-
- // HTTP URI must be an absolute path, relative to current host
- http_uri = vWords[1];
- if (http_uri.size() == 0 || http_uri[0] != '/')
- return false;
-
- // parse proto, if present
- string strProto = "";
- if (vWords.size() > 2)
- strProto = vWords[2];
-
- proto = 0;
- const char *ver = strstr(strProto.c_str(), "HTTP/1.");
- if (ver != NULL)
- proto = atoi(ver+7);
-
- return true;
- }
-
- int ReadHTTPStatus(std::basic_istream<char>& stream, int &proto)
- {
- string str;
- getline(stream, str);
- vector<string> vWords;
- boost::split(vWords, str, boost::is_any_of(" "));
- if (vWords.size() < 2)
- return HTTP_INTERNAL_SERVER_ERROR;
- proto = 0;
- const char *ver = strstr(str.c_str(), "HTTP/1.");
- if (ver != NULL)
- proto = atoi(ver+7);
- return atoi(vWords[1].c_str());
- }
-
- int ReadHTTPHeaders(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
- {
- int nLen = 0;
- loop
- {
- string str;
- std::getline(stream, str);
- if (str.empty() || str == "\r")
- break;
- string::size_type nColon = str.find(":");
- if (nColon != string::npos)
- {
- string strHeader = str.substr(0, nColon);
- boost::trim(strHeader);
- boost::to_lower(strHeader);
- string strValue = str.substr(nColon+1);
- boost::trim(strValue);
- mapHeadersRet[strHeader] = strValue;
- if (strHeader == "content-length")
- nLen = atoi(strValue.c_str());
- }
- }
- return nLen;
- }
-
- int ReadHTTPMessage(std::basic_istream<char>& stream, map<string,
- string>& mapHeadersRet, string& strMessageRet,
- int nProto)
- {
- mapHeadersRet.clear();
- strMessageRet = "";
-
- // Read header
- int nLen = ReadHTTPHeaders(stream, mapHeadersRet);
- if (nLen < 0 || nLen > (int)MAX_SIZE)
- return HTTP_INTERNAL_SERVER_ERROR;
-
- // Read message
- if (nLen > 0)
- {
- vector<char> vch(nLen);
- stream.read(&vch[0], nLen);
- strMessageRet = string(vch.begin(), vch.end());
- }
-
- string sConHdr = mapHeadersRet["connection"];
-
- if ((sConHdr != "close") && (sConHdr != "keep-alive"))
- {
- if (nProto >= 1)
- mapHeadersRet["connection"] = "keep-alive";
- else
- mapHeadersRet["connection"] = "close";
- }
-
- return HTTP_OK;
- }
-
- bool HTTPAuthorized(map<string, string>& mapHeaders)
- {
- string strAuth = mapHeaders["authorization"];
- if (strAuth.substr(0,6) != "Basic ")
- return false;
- string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
- string strUserPass = DecodeBase64(strUserPass64);
- return strUserPass == strRPCUserColonPass;
- }
-
- //
- // JSON-RPC protocol. Bitcoin speaks version 1.0 for maximum compatibility,
- // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
- // unspecified (HTTP errors and contents of 'error').
- //
- // 1.0 spec: http://json-rpc.org/wiki/specification
- // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
- // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
- //
-
- string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
- {
- Object request;
- request.push_back(Pair("method", strMethod));
- request.push_back(Pair("params", params));
- request.push_back(Pair("id", id));
- return write_string(Value(request), false) + "\n";
- }
-
- Object JSONRPCReplyObj(const Value& result, const Value& error, const Value& id)
- {
- Object reply;
- if (error.type() != null_type)
- reply.push_back(Pair("result", Value::null));
- else
- reply.push_back(Pair("result", result));
- reply.push_back(Pair("error", error));
- reply.push_back(Pair("id", id));
- return reply;
- }
-
- string JSONRPCReply(const Value& result, const Value& error, const Value& id)
- {
- Object reply = JSONRPCReplyObj(result, error, id);
- return write_string(Value(reply), false) + "\n";
- }
-
- void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
- {
- // Send error reply from json-rpc error object
- int nStatus = HTTP_INTERNAL_SERVER_ERROR;
- int code = find_value(objError, "code").get_int();
- if (code == RPC_INVALID_REQUEST) nStatus = HTTP_BAD_REQUEST;
- else if (code == RPC_METHOD_NOT_FOUND) nStatus = HTTP_NOT_FOUND;
- string strReply = JSONRPCReply(Value::null, objError, id);
- stream << HTTPReply(nStatus, strReply, false) << std::flush;
- }
-
- bool ClientAllowed(const boost::asio::ip::address& address)
- {
- // Make sure that IPv4-compatible and IPv4-mapped IPv6 addresses are treated as IPv4 addresses
- if (address.is_v6()
- && (address.to_v6().is_v4_compatible()
- || address.to_v6().is_v4_mapped()))
- return ClientAllowed(address.to_v6().to_v4());
-
- if (address == asio::ip::address_v4::loopback()
- || address == asio::ip::address_v6::loopback()
- || (address.is_v4()
- // Check whether IPv4 addresses match 127.0.0.0/8 (loopback subnet)
- && (address.to_v4().to_ulong() & 0xff000000) == 0x7f000000))
- return true;
-
- const string strAddress = address.to_string();
- const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
- BOOST_FOREACH(string strAllow, vAllow)
- if (WildcardMatch(strAddress, strAllow))
- return true;
- return false;
- }
-
- //
- // IOStream device that speaks SSL but can also speak non-SSL
- //
- template <typename Protocol>
- class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
- public:
- SSLIOStreamDevice(asio::ssl::stream<typename Protocol::socket> &streamIn, bool fUseSSLIn) : stream(streamIn)
- {
- fUseSSL = fUseSSLIn;
- fNeedHandshake = fUseSSLIn;
- }
-
- void handshake(ssl::stream_base::handshake_type role)
- {
- if (!fNeedHandshake) return;
- fNeedHandshake = false;
- stream.handshake(role);
- }
- std::streamsize read(char* s, std::streamsize n)
- {
- handshake(ssl::stream_base::server); // HTTPS servers read first
- if (fUseSSL) return stream.read_some(asio::buffer(s, n));
- return stream.next_layer().read_some(asio::buffer(s, n));
- }
- std::streamsize write(const char* s, std::streamsize n)
- {
- handshake(ssl::stream_base::client); // HTTPS clients write first
- if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
- return asio::write(stream.next_layer(), asio::buffer(s, n));
- }
- bool connect(const std::string& server, const std::string& port)
- {
- ip::tcp::resolver resolver(stream.get_io_service());
- ip::tcp::resolver::query query(server.c_str(), port.c_str());
- ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
- ip::tcp::resolver::iterator end;
- boost::system::error_code error = asio::error::host_not_found;
- while (error && endpoint_iterator != end)
- {
- stream.lowest_layer().close();
- stream.lowest_layer().connect(*endpoint_iterator++, error);
- }
- if (error)
- return false;
- return true;
- }
-
- private:
- bool fNeedHandshake;
- bool fUseSSL;
- asio::ssl::stream<typename Protocol::socket>& stream;
- };
-
- class AcceptedConnection
- {
- public:
- virtual ~AcceptedConnection() {}
-
- virtual std::iostream& stream() = 0;
- virtual std::string peer_address_to_string() const = 0;
- virtual void close() = 0;
- };
-
- template <typename Protocol>
- class AcceptedConnectionImpl : public AcceptedConnection
- {
- public:
- AcceptedConnectionImpl(
- asio::io_service& io_service,
- ssl::context &context,
- bool fUseSSL) :
- sslStream(io_service, context),
- _d(sslStream, fUseSSL),
- _stream(_d)
- {
- }
-
- virtual std::iostream& stream()
- {
- return _stream;
- }
-
- virtual std::string peer_address_to_string() const
- {
- return peer.address().to_string();
- }
-
- virtual void close()
- {
- _stream.close();
- }
-
- typename Protocol::endpoint peer;
- asio::ssl::stream<typename Protocol::socket> sslStream;
-
- private:
- SSLIOStreamDevice<Protocol> _d;
- iostreams::stream< SSLIOStreamDevice<Protocol> > _stream;
- };
-
- void ServiceConnection(AcceptedConnection *conn);
-
- // Forward declaration required for RPCListen
- template <typename Protocol, typename SocketAcceptorService>
- static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
- ssl::context& context,
- bool fUseSSL,
- AcceptedConnection* conn,
- const boost::system::error_code& error);
-
- /**
- * Sets up I/O resources to accept and handle a new connection.
- */
- template <typename Protocol, typename SocketAcceptorService>
- static void RPCListen(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
- ssl::context& context,
- const bool fUseSSL)
- {
- // Accept connection
- AcceptedConnectionImpl<Protocol>* conn = new AcceptedConnectionImpl<Protocol>(acceptor->get_io_service(), context, fUseSSL);
-
- acceptor->async_accept(
- conn->sslStream.lowest_layer(),
- conn->peer,
- boost::bind(&RPCAcceptHandler<Protocol, SocketAcceptorService>,
- acceptor,
- boost::ref(context),
- fUseSSL,
- conn,
- boost::asio::placeholders::error));
- }
-
- /**
- * Accept and handle incoming connection.
- */
- template <typename Protocol, typename SocketAcceptorService>
- static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor,
- ssl::context& context,
- const bool fUseSSL,
- AcceptedConnection* conn,
- const boost::system::error_code& error)
- {
- // Immediately start accepting new connections, except when we're cancelled or our socket is closed.
- if (error != asio::error::operation_aborted && acceptor->is_open())
- RPCListen(acceptor, context, fUseSSL);
-
- AcceptedConnectionImpl<ip::tcp>* tcp_conn = dynamic_cast< AcceptedConnectionImpl<ip::tcp>* >(conn);
-
- // TODO: Actually handle errors
- if (error)
- {
- delete conn;
- }
-
- // Restrict callers by IP. It is important to
- // do this before starting client thread, to filter out
- // certain DoS and misbehaving clients.
- else if (tcp_conn && !ClientAllowed(tcp_conn->peer.address()))
- {
- // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
- if (!fUseSSL)
- conn->stream() << HTTPReply(HTTP_FORBIDDEN, "", false) << std::flush;
- delete conn;
- }
- else {
- ServiceConnection(conn);
- conn->close();
- delete conn;
- }
- }
-
- void StartRPCThreads()
- {
- strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
- if (((mapArgs["-rpcpassword"] == "") ||
- (mapArgs["-rpcuser"] == mapArgs["-rpcpassword"])) && Params().RequireRPCPassword())
- {
- unsigned char rand_pwd[32];
- RAND_bytes(rand_pwd, 32);
- string strWhatAmI = "To use bitcoind";
- if (mapArgs.count("-server"))
- strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
- else if (mapArgs.count("-daemon"))
- strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
- uiInterface.ThreadSafeMessageBox(strprintf(
- _("%s, you must set a rpcpassword in the configuration file:\n"
- "%s\n"
- "It is recommended you use the following random password:\n"
- "rpcuser=bitcoinrpc\n"
- "rpcpassword=%s\n"
- "(you do not need to remember this password)\n"
- "The username and password MUST NOT be the same.\n"
- "If the file does not exist, create it with owner-readable-only file permissions.\n"
- "It is also recommended to set alertnotify so you are notified of problems;\n"
- "for example: alertnotify=echo %%s | mail -s \"Bitcoin Alert\" admin@foo.com\n"),
- strWhatAmI.c_str(),
- GetConfigFile().string().c_str(),
- EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str()),
- "", CClientUIInterface::MSG_ERROR);
- StartShutdown();
- return;
- }
-
- assert(rpc_io_service == NULL);
- rpc_io_service = new asio::io_service();
- rpc_ssl_context = new ssl::context(*rpc_io_service, ssl::context::sslv23);
-
- const bool fUseSSL = GetBoolArg("-rpcssl", false);
-
- if (fUseSSL)
- {
- rpc_ssl_context->set_options(ssl::context::no_sslv2);
-
- filesystem::path pathCertFile(GetArg("-rpcsslcertificatechainfile", "server.cert"));
- if (!pathCertFile.is_complete()) pathCertFile = filesystem::path(GetDataDir()) / pathCertFile;
- if (filesystem::exists(pathCertFile)) rpc_ssl_context->use_certificate_chain_file(pathCertFile.string());
- else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", pathCertFile.string().c_str());
-
- filesystem::path pathPKFile(GetArg("-rpcsslprivatekeyfile", "server.pem"));
- if (!pathPKFile.is_complete()) pathPKFile = filesystem::path(GetDataDir()) / pathPKFile;
- if (filesystem::exists(pathPKFile)) rpc_ssl_context->use_private_key_file(pathPKFile.string(), ssl::context::pem);
- else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string().c_str());
-
- string strCiphers = GetArg("-rpcsslciphers", "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
- SSL_CTX_set_cipher_list(rpc_ssl_context->impl(), strCiphers.c_str());
- }
-
- // Try a dual IPv6/IPv4 socket, falling back to separate IPv4 and IPv6 sockets
- const bool loopback = !mapArgs.count("-rpcallowip");
- asio::ip::address bindAddress = loopback ? asio::ip::address_v6::loopback() : asio::ip::address_v6::any();
- ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", Params().RPCPort()));
- boost::system::error_code v6_only_error;
- boost::shared_ptr<ip::tcp::acceptor> acceptor(new ip::tcp::acceptor(*rpc_io_service));
-
- bool fListening = false;
- std::string strerr;
- try
- {
- acceptor->open(endpoint.protocol());
- acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
-
- // Try making the socket dual IPv6/IPv4 (if listening on the "any" address)
- acceptor->set_option(boost::asio::ip::v6_only(loopback), v6_only_error);
-
- acceptor->bind(endpoint);
- acceptor->listen(socket_base::max_connections);
-
- RPCListen(acceptor, *rpc_ssl_context, fUseSSL);
-
- fListening = true;
- }
- catch(boost::system::system_error &e)
- {
- 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());
- }
-
- try {
- // If dual IPv6/IPv4 failed (or we're opening loopback interfaces only), open IPv4 separately
- if (!fListening || loopback || v6_only_error)
- {
- bindAddress = loopback ? asio::ip::address_v4::loopback() : asio::ip::address_v4::any();
- endpoint.address(bindAddress);
-
- acceptor.reset(new ip::tcp::acceptor(*rpc_io_service));
- acceptor->open(endpoint.protocol());
- acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
- acceptor->bind(endpoint);
- acceptor->listen(socket_base::max_connections);
-
- RPCListen(acceptor, *rpc_ssl_context, fUseSSL);
-
- fListening = true;
- }
- }
- catch(boost::system::system_error &e)
- {
- strerr = strprintf(_("An error occurred while setting up the RPC port %u for listening on IPv4: %s"), endpoint.port(), e.what());
- }
-
- if (!fListening) {
- uiInterface.ThreadSafeMessageBox(strerr, "", CClientUIInterface::MSG_ERROR);
- StartShutdown();
- return;
- }
-
- rpc_worker_group = new boost::thread_group();
- for (int i = 0; i < GetArg("-rpcthreads", 4); i++)
- rpc_worker_group->create_thread(boost::bind(&asio::io_service::run, rpc_io_service));
- }
-
- void StopRPCThreads()
- {
- if (rpc_io_service == NULL) return;
-
- deadlineTimers.clear();
- rpc_io_service->stop();
- rpc_worker_group->join_all();
- delete rpc_worker_group; rpc_worker_group = NULL;
- delete rpc_ssl_context; rpc_ssl_context = NULL;
- delete rpc_io_service; rpc_io_service = NULL;
- }
-
- void RPCRunHandler(const boost::system::error_code& err, boost::function<void(void)> func)
- {
- if (!err)
- func();
- }
-
- void RPCRunLater(const std::string& name, boost::function<void(void)> func, int64 nSeconds)
- {
- assert(rpc_io_service != NULL);
-
- if (deadlineTimers.count(name) == 0)
- {
- deadlineTimers.insert(make_pair(name,
- boost::shared_ptr<deadline_timer>(new deadline_timer(*rpc_io_service))));
- }
- deadlineTimers[name]->expires_from_now(posix_time::seconds(nSeconds));
- deadlineTimers[name]->async_wait(boost::bind(RPCRunHandler, _1, func));
- }
-
-
- class JSONRequest
- {
- public:
- Value id;
- string strMethod;
- Array params;
-
- JSONRequest() { id = Value::null; }
- void parse(const Value& valRequest);
- };
-
- void JSONRequest::parse(const Value& valRequest)
- {
- // Parse request
- if (valRequest.type() != obj_type)
- throw JSONRPCError(RPC_INVALID_REQUEST, "Invalid Request object");
- const Object& request = valRequest.get_obj();
-
- // Parse id now so errors from here on will have the id
- id = find_value(request, "id");
-
- // Parse method
- Value valMethod = find_value(request, "method");
- if (valMethod.type() == null_type)
- throw JSONRPCError(RPC_INVALID_REQUEST, "Missing method");
- if (valMethod.type() != str_type)
- throw JSONRPCError(RPC_INVALID_REQUEST, "Method must be a string");
- strMethod = valMethod.get_str();
- if (strMethod != "getwork" && strMethod != "getblocktemplate")
- printf("ThreadRPCServer method=%s\n", strMethod.c_str());
-
- // Parse params
- Value valParams = find_value(request, "params");
- if (valParams.type() == array_type)
- params = valParams.get_array();
- else if (valParams.type() == null_type)
- params = Array();
- else
- throw JSONRPCError(RPC_INVALID_REQUEST, "Params must be an array");
- }
-
- static Object JSONRPCExecOne(const Value& req)
- {
- Object rpc_result;
-
- JSONRequest jreq;
- try {
- jreq.parse(req);
-
- Value result = tableRPC.execute(jreq.strMethod, jreq.params);
- rpc_result = JSONRPCReplyObj(result, Value::null, jreq.id);
- }
- catch (Object& objError)
- {
- rpc_result = JSONRPCReplyObj(Value::null, objError, jreq.id);
- }
- catch (std::exception& e)
- {
- rpc_result = JSONRPCReplyObj(Value::null,
- JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
- }
-
- return rpc_result;
- }
-
- static string JSONRPCExecBatch(const Array& vReq)
- {
- Array ret;
- for (unsigned int reqIdx = 0; reqIdx < vReq.size(); reqIdx++)
- ret.push_back(JSONRPCExecOne(vReq[reqIdx]));
-
- return write_string(Value(ret), false) + "\n";
- }
-
- void ServiceConnection(AcceptedConnection *conn)
- {
- bool fRun = true;
- while (fRun)
- {
- int nProto = 0;
- map<string, string> mapHeaders;
- string strRequest, strMethod, strURI;
-
- // Read HTTP request line
- if (!ReadHTTPRequestLine(conn->stream(), nProto, strMethod, strURI))
- break;
-
- // Read HTTP message headers and body
- ReadHTTPMessage(conn->stream(), mapHeaders, strRequest, nProto);
-
- if (strURI != "/") {
- conn->stream() << HTTPReply(HTTP_NOT_FOUND, "", false) << std::flush;
- break;
- }
-
- // Check authorization
- if (mapHeaders.count("authorization") == 0)
- {
- conn->stream() << HTTPReply(HTTP_UNAUTHORIZED, "", false) << std::flush;
- break;
- }
- if (!HTTPAuthorized(mapHeaders))
- {
- printf("ThreadRPCServer incorrect password attempt from %s\n", conn->peer_address_to_string().c_str());
- /* Deter brute-forcing short passwords.
- If this results in a DOS the user really
- shouldn't have their RPC port exposed.*/
- if (mapArgs["-rpcpassword"].size() < 20)
- MilliSleep(250);
-
- conn->stream() << HTTPReply(HTTP_UNAUTHORIZED, "", false) << std::flush;
- break;
- }
- if (mapHeaders["connection"] == "close")
- fRun = false;
-
- JSONRequest jreq;
- try
- {
- // Parse request
- Value valRequest;
- if (!read_string(strRequest, valRequest))
- throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
-
- string strReply;
-
- // singleton request
- if (valRequest.type() == obj_type) {
- jreq.parse(valRequest);
-
- Value result = tableRPC.execute(jreq.strMethod, jreq.params);
-
- // Send reply
- strReply = JSONRPCReply(result, Value::null, jreq.id);
-
- // array of requests
- } else if (valRequest.type() == array_type)
- strReply = JSONRPCExecBatch(valRequest.get_array());
- else
- throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
-
- conn->stream() << HTTPReply(HTTP_OK, strReply, fRun) << std::flush;
- }
- catch (Object& objError)
- {
- ErrorReply(conn->stream(), objError, jreq.id);
- break;
- }
- catch (std::exception& e)
- {
- ErrorReply(conn->stream(), JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
- break;
- }
- }
- }
-
- json_spirit::Value CRPCTable::execute(const std::string &strMethod, const json_spirit::Array ¶ms) const
- {
- // Find method
- const CRPCCommand *pcmd = tableRPC[strMethod];
- if (!pcmd)
- throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found");
-
- // Observe safe mode
- string strWarning = GetWarnings("rpc");
- if (strWarning != "" && !GetBoolArg("-disablesafemode", false) &&
- !pcmd->okSafeMode)
- throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning);
-
- try
- {
- // Execute
- Value result;
- {
- if (pcmd->threadSafe)
- result = pcmd->actor(params, false);
- else {
- LOCK2(cs_main, pwalletMain->cs_wallet);
- result = pcmd->actor(params, false);
- }
- }
- return result;
- }
- catch (std::exception& e)
- {
- throw JSONRPCError(RPC_MISC_ERROR, e.what());
- }
- }
-
-
- Object CallRPC(const string& strMethod, const Array& params)
- {
- if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
- throw runtime_error(strprintf(
- _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
- "If the file does not exist, create it with owner-readable-only file permissions."),
- GetConfigFile().string().c_str()));
-
- // Connect to localhost
- bool fUseSSL = GetBoolArg("-rpcssl", false);
- asio::io_service io_service;
- ssl::context context(io_service, ssl::context::sslv23);
- context.set_options(ssl::context::no_sslv2);
- asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context);
- SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL);
- iostreams::stream< SSLIOStreamDevice<asio::ip::tcp> > stream(d);
- if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(Params().RPCPort()))))
- throw runtime_error("couldn't connect to server");
-
- // HTTP basic authentication
- string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
- map<string, string> mapRequestHeaders;
- mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
-
- // Send request
- string strRequest = JSONRPCRequest(strMethod, params, 1);
- string strPost = HTTPPost(strRequest, mapRequestHeaders);
- stream << strPost << std::flush;
-
- // Receive HTTP reply status
- int nProto = 0;
- int nStatus = ReadHTTPStatus(stream, nProto);
-
- // Receive HTTP reply message headers and body
- map<string, string> mapHeaders;
- string strReply;
- ReadHTTPMessage(stream, mapHeaders, strReply, nProto);
-
- if (nStatus == HTTP_UNAUTHORIZED)
- throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
- else if (nStatus >= 400 && nStatus != HTTP_BAD_REQUEST && nStatus != HTTP_NOT_FOUND && nStatus != HTTP_INTERNAL_SERVER_ERROR)
- throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
- else if (strReply.empty())
- throw runtime_error("no response from server");
-
- // Parse reply
- Value valReply;
- if (!read_string(strReply, valReply))
- throw runtime_error("couldn't parse reply from server");
- const Object& reply = valReply.get_obj();
- if (reply.empty())
- throw runtime_error("expected reply to have result, error and id properties");
-
- return reply;
- }
-
-
-
-
- template<typename T>
- void ConvertTo(Value& value, bool fAllowNull=false)
- {
- if (fAllowNull && value.type() == null_type)
- return;
- if (value.type() == str_type)
- {
- // reinterpret string as unquoted json value
- Value value2;
- string strJSON = value.get_str();
- if (!read_string(strJSON, value2))
- throw runtime_error(string("Error parsing JSON:")+strJSON);
- ConvertTo<T>(value2, fAllowNull);
- value = value2;
- }
- else
- {
- value = value.get_value<T>();
- }
- }
-
- // Convert strings to command-specific RPC representation
- Array RPCConvertValues(const std::string &strMethod, const std::vector<std::string> &strParams)
- {
- Array params;
- BOOST_FOREACH(const std::string ¶m, strParams)
- params.push_back(param);
-
- int n = params.size();
-
- //
- // Special case non-string parameter types
- //
- if (strMethod == "stop" && n > 0) ConvertTo<bool>(params[0]);
- if (strMethod == "getaddednodeinfo" && n > 0) ConvertTo<bool>(params[0]);
- if (strMethod == "setgenerate" && n > 0) ConvertTo<bool>(params[0]);
- if (strMethod == "setgenerate" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "sendtoaddress" && n > 1) ConvertTo<double>(params[1]);
- if (strMethod == "settxfee" && n > 0) ConvertTo<double>(params[0]);
- if (strMethod == "getreceivedbyaddress" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "getreceivedbyaccount" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "listreceivedbyaddress" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "listreceivedbyaddress" && n > 1) ConvertTo<bool>(params[1]);
- if (strMethod == "listreceivedbyaccount" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "listreceivedbyaccount" && n > 1) ConvertTo<bool>(params[1]);
- if (strMethod == "getbalance" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "getblockhash" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "move" && n > 2) ConvertTo<double>(params[2]);
- if (strMethod == "move" && n > 3) ConvertTo<boost::int64_t>(params[3]);
- if (strMethod == "sendfrom" && n > 2) ConvertTo<double>(params[2]);
- if (strMethod == "sendfrom" && n > 3) ConvertTo<boost::int64_t>(params[3]);
- if (strMethod == "listtransactions" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "listtransactions" && n > 2) ConvertTo<boost::int64_t>(params[2]);
- if (strMethod == "listaccounts" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "walletpassphrase" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "getblocktemplate" && n > 0) ConvertTo<Object>(params[0]);
- if (strMethod == "listsinceblock" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "sendmany" && n > 1) ConvertTo<Object>(params[1]);
- if (strMethod == "sendmany" && n > 2) ConvertTo<boost::int64_t>(params[2]);
- if (strMethod == "addmultisigaddress" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "addmultisigaddress" && n > 1) ConvertTo<Array>(params[1]);
- if (strMethod == "createmultisig" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "createmultisig" && n > 1) ConvertTo<Array>(params[1]);
- if (strMethod == "listunspent" && n > 0) ConvertTo<boost::int64_t>(params[0]);
- if (strMethod == "listunspent" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "listunspent" && n > 2) ConvertTo<Array>(params[2]);
- if (strMethod == "getblock" && n > 1) ConvertTo<bool>(params[1]);
- if (strMethod == "getrawtransaction" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "createrawtransaction" && n > 0) ConvertTo<Array>(params[0]);
- if (strMethod == "createrawtransaction" && n > 1) ConvertTo<Object>(params[1]);
- if (strMethod == "signrawtransaction" && n > 1) ConvertTo<Array>(params[1], true);
- if (strMethod == "signrawtransaction" && n > 2) ConvertTo<Array>(params[2], true);
- if (strMethod == "gettxout" && n > 1) ConvertTo<boost::int64_t>(params[1]);
- if (strMethod == "gettxout" && n > 2) ConvertTo<bool>(params[2]);
- if (strMethod == "lockunspent" && n > 0) ConvertTo<bool>(params[0]);
- if (strMethod == "lockunspent" && n > 1) ConvertTo<Array>(params[1]);
- if (strMethod == "importprivkey" && n > 2) ConvertTo<bool>(params[2]);
-
- return params;
- }
-
- int CommandLineRPC(int argc, char *argv[])
- {
- string strPrint;
- int nRet = 0;
- try
- {
- // Skip switches
- while (argc > 1 && IsSwitchChar(argv[1][0]))
- {
- argc--;
- argv++;
- }
-
- // Method
- if (argc < 2)
- throw runtime_error("too few parameters");
- string strMethod = argv[1];
-
- // Parameters default to strings
- std::vector<std::string> strParams(&argv[2], &argv[argc]);
- Array params = RPCConvertValues(strMethod, strParams);
-
- // Execute
- Object reply = CallRPC(strMethod, params);
-
- // Parse reply
- const Value& result = find_value(reply, "result");
- const Value& error = find_value(reply, "error");
-
- if (error.type() != null_type)
- {
- // Error
- strPrint = "error: " + write_string(error, false);
- int code = find_value(error.get_obj(), "code").get_int();
- nRet = abs(code);
- }
- else
- {
- // Result
- if (result.type() == null_type)
- strPrint = "";
- else if (result.type() == str_type)
- strPrint = result.get_str();
- else
- strPrint = write_string(result, true);
- }
- }
- catch (boost::thread_interrupted) {
- throw;
- }
- catch (std::exception& e) {
- strPrint = string("error: ") + e.what();
- nRet = 87;
- }
- catch (...) {
- PrintException(NULL, "CommandLineRPC()");
- }
-
- if (strPrint != "")
- {
- fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
- }
- return nRet;
- }
-
-
-
-
- #ifdef TEST
- int main(int argc, char *argv[])
- {
- #ifdef _MSC_VER
- // Turn off Microsoft heap dump noise
- _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
- _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
- #endif
- setbuf(stdin, NULL);
- setbuf(stdout, NULL);
- setbuf(stderr, NULL);
-
- try
- {
- if (argc >= 2 && string(argv[1]) == "-server")
- {
- printf("server ready\n");
- ThreadRPCServer(NULL);
- }
- else
- {
- return CommandLineRPC(argc, argv);
- }
- }
- catch (boost::thread_interrupted) {
- throw;
- }
- catch (std::exception& e) {
- PrintException(&e, "main()");
- } catch (...) {
- PrintException(NULL, "main()");
- }
- return 0;
- }
- #endif
-
- const CRPCTable tableRPC;
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