// Copyright (c) 2010 Satoshi Nakamoto // Copyright (c) 2009-2013 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 "rpcclient.h" #include "rpcprotocol.h" #include "util.h" #include "ui_interface.h" #include "chainparams.h" // for Params().RPCPort() #include #include #include #include #include #include #include #include #include #include #include #include "json/json_spirit_writer_template.h" using namespace std; using namespace boost; using namespace boost::asio; using namespace json_spirit; Object CallRPC(const string& strMethod, const Array& params) { if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "") throw runtime_error(strprintf( _("You must set rpcpassword= 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 sslStream(io_service, context); SSLIOStreamDevice d(sslStream, fUseSSL); iostreams::stream< SSLIOStreamDevice > stream(d); bool fWait = GetBoolArg("-rpcwait", false); // -rpcwait means try until server has started do { bool fConnected = d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(Params().RPCPort()))); if (fConnected) break; if (fWait) MilliSleep(1000); else throw runtime_error("couldn't connect to server"); } while (fWait); // HTTP basic authentication string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]); map 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 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 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(value2, fAllowNull); value = value2; } else { value = value.get_value(); } } // Convert strings to command-specific RPC representation Array RPCConvertValues(const std::string &strMethod, const std::vector &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(params[0]); if (strMethod == "getaddednodeinfo" && n > 0) ConvertTo(params[0]); if (strMethod == "setgenerate" && n > 0) ConvertTo(params[0]); if (strMethod == "setgenerate" && n > 1) ConvertTo(params[1]); if (strMethod == "getnetworkhashps" && n > 0) ConvertTo(params[0]); if (strMethod == "getnetworkhashps" && n > 1) ConvertTo(params[1]); if (strMethod == "sendtoaddress" && n > 1) ConvertTo(params[1]); if (strMethod == "settxfee" && n > 0) ConvertTo(params[0]); if (strMethod == "getreceivedbyaddress" && n > 1) ConvertTo(params[1]); if (strMethod == "getreceivedbyaccount" && n > 1) ConvertTo(params[1]); if (strMethod == "listreceivedbyaddress" && n > 0) ConvertTo(params[0]); if (strMethod == "listreceivedbyaddress" && n > 1) ConvertTo(params[1]); if (strMethod == "listreceivedbyaccount" && n > 0) ConvertTo(params[0]); if (strMethod == "listreceivedbyaccount" && n > 1) ConvertTo(params[1]); if (strMethod == "getbalance" && n > 1) ConvertTo(params[1]); if (strMethod == "getblockhash" && n > 0) ConvertTo(params[0]); if (strMethod == "move" && n > 2) ConvertTo(params[2]); if (strMethod == "move" && n > 3) ConvertTo(params[3]); if (strMethod == "sendfrom" && n > 2) ConvertTo(params[2]); if (strMethod == "sendfrom" && n > 3) ConvertTo(params[3]); if (strMethod == "listtransactions" && n > 1) ConvertTo(params[1]); if (strMethod == "listtransactions" && n > 2) ConvertTo(params[2]); if (strMethod == "listaccounts" && n > 0) ConvertTo(params[0]); if (strMethod == "walletpassphrase" && n > 1) ConvertTo(params[1]); if (strMethod == "getblocktemplate" && n > 0) ConvertTo(params[0]); if (strMethod == "listsinceblock" && n > 1) ConvertTo(params[1]); if (strMethod == "sendmany" && n > 1) ConvertTo(params[1]); if (strMethod == "sendmany" && n > 2) ConvertTo(params[2]); if (strMethod == "addmultisigaddress" && n > 0) ConvertTo(params[0]); if (strMethod == "addmultisigaddress" && n > 1) ConvertTo(params[1]); if (strMethod == "createmultisig" && n > 0) ConvertTo(params[0]); if (strMethod == "createmultisig" && n > 1) ConvertTo(params[1]); if (strMethod == "listunspent" && n > 0) ConvertTo(params[0]); if (strMethod == "listunspent" && n > 1) ConvertTo(params[1]); if (strMethod == "listunspent" && n > 2) ConvertTo(params[2]); if (strMethod == "getblock" && n > 1) ConvertTo(params[1]); if (strMethod == "getrawtransaction" && n > 1) ConvertTo(params[1]); if (strMethod == "createrawtransaction" && n > 0) ConvertTo(params[0]); if (strMethod == "createrawtransaction" && n > 1) ConvertTo(params[1]); if (strMethod == "signrawtransaction" && n > 1) ConvertTo(params[1], true); if (strMethod == "signrawtransaction" && n > 2) ConvertTo(params[2], true); if (strMethod == "sendrawtransaction" && n > 1) ConvertTo(params[1], true); if (strMethod == "gettxout" && n > 1) ConvertTo(params[1]); if (strMethod == "gettxout" && n > 2) ConvertTo(params[2]); if (strMethod == "lockunspent" && n > 0) ConvertTo(params[0]); if (strMethod == "lockunspent" && n > 1) ConvertTo(params[1]); if (strMethod == "importprivkey" && n > 2) ConvertTo(params[2]); if (strMethod == "verifychain" && n > 0) ConvertTo(params[0]); if (strMethod == "verifychain" && n > 1) ConvertTo(params[1]); if (strMethod == "keypoolrefill" && n > 0) ConvertTo(params[0]); if (strMethod == "getrawmempool" && n > 0) ConvertTo(params[0]); 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 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; }