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949 lines
36 KiB
949 lines
36 KiB
// Copyright (c) 2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2014 The Bitcoin developers |
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// Distributed under the MIT/X11 software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#include "rpcserver.h" |
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|
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#include "base58.h" |
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#include "init.h" |
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#include "main.h" |
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#include "ui_interface.h" |
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#include "util.h" |
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#ifdef ENABLE_WALLET |
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#include "wallet.h" |
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#endif |
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|
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#include <boost/algorithm/string.hpp> |
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#include <boost/asio.hpp> |
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#include <boost/asio/ssl.hpp> |
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#include <boost/bind.hpp> |
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#include <boost/filesystem.hpp> |
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#include <boost/foreach.hpp> |
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#include <boost/iostreams/concepts.hpp> |
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#include <boost/iostreams/stream.hpp> |
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#include <boost/shared_ptr.hpp> |
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#include "json/json_spirit_writer_template.h" |
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using namespace std; |
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using namespace boost; |
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using namespace boost::asio; |
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using namespace json_spirit; |
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static std::string strRPCUserColonPass; |
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// These are created by StartRPCThreads, destroyed in StopRPCThreads |
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static asio::io_service* rpc_io_service = NULL; |
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static map<string, boost::shared_ptr<deadline_timer> > deadlineTimers; |
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static ssl::context* rpc_ssl_context = NULL; |
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static boost::thread_group* rpc_worker_group = NULL; |
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static boost::asio::io_service::work *rpc_dummy_work = NULL; |
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static std::vector<CSubNet> rpc_allow_subnets; //!< List of subnets to allow RPC connections from |
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static std::vector< boost::shared_ptr<ip::tcp::acceptor> > rpc_acceptors; |
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void RPCTypeCheck(const Array& params, |
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const list<Value_type>& typesExpected, |
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bool fAllowNull) |
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{ |
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unsigned int i = 0; |
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BOOST_FOREACH(Value_type t, typesExpected) |
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{ |
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if (params.size() <= i) |
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break; |
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const Value& v = params[i]; |
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if (!((v.type() == t) || (fAllowNull && (v.type() == null_type)))) |
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{ |
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string err = strprintf("Expected type %s, got %s", |
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Value_type_name[t], Value_type_name[v.type()]); |
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throw JSONRPCError(RPC_TYPE_ERROR, err); |
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} |
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i++; |
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} |
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} |
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void RPCTypeCheck(const Object& o, |
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const map<string, Value_type>& typesExpected, |
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bool fAllowNull) |
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{ |
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BOOST_FOREACH(const PAIRTYPE(string, Value_type)& t, typesExpected) |
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{ |
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const Value& v = find_value(o, t.first); |
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if (!fAllowNull && v.type() == null_type) |
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throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing %s", t.first)); |
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if (!((v.type() == t.second) || (fAllowNull && (v.type() == null_type)))) |
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{ |
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string err = strprintf("Expected type %s for %s, got %s", |
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Value_type_name[t.second], t.first, Value_type_name[v.type()]); |
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throw JSONRPCError(RPC_TYPE_ERROR, err); |
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} |
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} |
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} |
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int64_t AmountFromValue(const Value& value) |
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{ |
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double dAmount = value.get_real(); |
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if (dAmount <= 0.0 || dAmount > 21000000.0) |
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throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount"); |
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int64_t nAmount = roundint64(dAmount * COIN); |
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if (!MoneyRange(nAmount)) |
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throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount"); |
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return nAmount; |
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} |
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Value ValueFromAmount(int64_t amount) |
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{ |
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return (double)amount / (double)COIN; |
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} |
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std::string HexBits(unsigned int nBits) |
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{ |
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union { |
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int32_t nBits; |
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char cBits[4]; |
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} uBits; |
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uBits.nBits = htonl((int32_t)nBits); |
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return HexStr(BEGIN(uBits.cBits), END(uBits.cBits)); |
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} |
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uint256 ParseHashV(const Value& v, string strName) |
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{ |
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string strHex; |
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if (v.type() == str_type) |
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strHex = v.get_str(); |
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if (!IsHex(strHex)) // Note: IsHex("") is false |
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throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')"); |
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uint256 result; |
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result.SetHex(strHex); |
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return result; |
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} |
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uint256 ParseHashO(const Object& o, string strKey) |
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{ |
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return ParseHashV(find_value(o, strKey), strKey); |
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} |
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vector<unsigned char> ParseHexV(const Value& v, string strName) |
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{ |
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string strHex; |
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if (v.type() == str_type) |
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strHex = v.get_str(); |
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if (!IsHex(strHex)) |
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throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')"); |
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return ParseHex(strHex); |
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} |
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vector<unsigned char> ParseHexO(const Object& o, string strKey) |
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{ |
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return ParseHexV(find_value(o, strKey), strKey); |
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} |
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/// |
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/// Note: This interface may still be subject to change. |
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/// |
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string CRPCTable::help(string strCommand) const |
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{ |
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string strRet; |
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set<rpcfn_type> setDone; |
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for (map<string, const CRPCCommand*>::const_iterator mi = mapCommands.begin(); mi != mapCommands.end(); ++mi) |
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{ |
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const CRPCCommand *pcmd = mi->second; |
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string strMethod = mi->first; |
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// We already filter duplicates, but these deprecated screw up the sort order |
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if (strMethod.find("label") != string::npos) |
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continue; |
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if (strCommand != "" && strMethod != strCommand) |
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continue; |
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#ifdef ENABLE_WALLET |
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if (pcmd->reqWallet && !pwalletMain) |
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continue; |
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#endif |
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try |
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{ |
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Array params; |
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rpcfn_type pfn = pcmd->actor; |
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if (setDone.insert(pfn).second) |
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(*pfn)(params, true); |
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} |
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catch (std::exception& e) |
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{ |
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// Help text is returned in an exception |
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string strHelp = string(e.what()); |
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if (strCommand == "") |
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if (strHelp.find('\n') != string::npos) |
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strHelp = strHelp.substr(0, strHelp.find('\n')); |
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strRet += strHelp + "\n"; |
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} |
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} |
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if (strRet == "") |
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strRet = strprintf("help: unknown command: %s\n", strCommand); |
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strRet = strRet.substr(0,strRet.size()-1); |
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return strRet; |
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} |
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Value help(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 1) |
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throw runtime_error( |
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"help ( \"command\" )\n" |
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"\nList all commands, or get help for a specified command.\n" |
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"\nArguments:\n" |
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"1. \"command\" (string, optional) The command to get help on\n" |
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"\nResult:\n" |
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"\"text\" (string) The help text\n" |
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); |
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string strCommand; |
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if (params.size() > 0) |
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strCommand = params[0].get_str(); |
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return tableRPC.help(strCommand); |
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} |
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Value stop(const Array& params, bool fHelp) |
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{ |
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// Accept the deprecated and ignored 'detach' boolean argument |
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if (fHelp || params.size() > 1) |
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throw runtime_error( |
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"stop\n" |
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"\nStop Bitcoin server."); |
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// Shutdown will take long enough that the response should get back |
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StartShutdown(); |
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return "Bitcoin server stopping"; |
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} |
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// |
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// Call Table |
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// |
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static const CRPCCommand vRPCCommands[] = |
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{ // name actor (function) okSafeMode threadSafe reqWallet |
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// ------------------------ ----------------------- ---------- ---------- --------- |
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/* Overall control/query calls */ |
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{ "getinfo", &getinfo, true, false, false }, /* uses wallet if enabled */ |
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{ "help", &help, true, true, false }, |
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{ "stop", &stop, true, true, false }, |
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/* P2P networking */ |
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{ "getnetworkinfo", &getnetworkinfo, true, false, false }, |
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{ "addnode", &addnode, true, true, false }, |
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{ "getaddednodeinfo", &getaddednodeinfo, true, true, false }, |
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{ "getconnectioncount", &getconnectioncount, true, false, false }, |
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{ "getnettotals", &getnettotals, true, true, false }, |
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{ "getpeerinfo", &getpeerinfo, true, false, false }, |
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{ "ping", &ping, true, false, false }, |
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/* Block chain and UTXO */ |
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{ "getblockchaininfo", &getblockchaininfo, true, false, false }, |
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{ "getbestblockhash", &getbestblockhash, true, false, false }, |
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{ "getblockcount", &getblockcount, true, false, false }, |
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{ "getblock", &getblock, false, false, false }, |
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{ "getblockhash", &getblockhash, false, false, false }, |
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{ "getdifficulty", &getdifficulty, true, false, false }, |
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{ "getrawmempool", &getrawmempool, true, false, false }, |
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{ "gettxout", &gettxout, true, false, false }, |
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{ "gettxoutsetinfo", &gettxoutsetinfo, true, false, false }, |
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{ "verifychain", &verifychain, true, false, false }, |
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/* Mining */ |
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{ "getblocktemplate", &getblocktemplate, true, false, false }, |
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{ "getmininginfo", &getmininginfo, true, false, false }, |
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{ "getnetworkhashps", &getnetworkhashps, true, false, false }, |
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{ "submitblock", &submitblock, false, false, false }, |
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/* Raw transactions */ |
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{ "createrawtransaction", &createrawtransaction, false, false, false }, |
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{ "decoderawtransaction", &decoderawtransaction, false, false, false }, |
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{ "decodescript", &decodescript, false, false, false }, |
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{ "getrawtransaction", &getrawtransaction, false, false, false }, |
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{ "sendrawtransaction", &sendrawtransaction, false, false, false }, |
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{ "signrawtransaction", &signrawtransaction, false, false, false }, /* uses wallet if enabled */ |
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/* Utility functions */ |
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{ "createmultisig", &createmultisig, true, true , false }, |
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{ "validateaddress", &validateaddress, true, false, false }, /* uses wallet if enabled */ |
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{ "verifymessage", &verifymessage, false, false, false }, |
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#ifdef ENABLE_WALLET |
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/* Wallet */ |
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{ "addmultisigaddress", &addmultisigaddress, false, false, true }, |
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{ "backupwallet", &backupwallet, true, false, true }, |
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{ "dumpprivkey", &dumpprivkey, true, false, true }, |
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{ "dumpwallet", &dumpwallet, true, false, true }, |
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{ "encryptwallet", &encryptwallet, false, false, true }, |
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{ "getaccountaddress", &getaccountaddress, true, false, true }, |
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{ "getaccount", &getaccount, false, false, true }, |
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{ "getaddressesbyaccount", &getaddressesbyaccount, true, false, true }, |
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{ "getbalance", &getbalance, false, false, true }, |
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{ "getnewaddress", &getnewaddress, true, false, true }, |
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{ "getrawchangeaddress", &getrawchangeaddress, true, false, true }, |
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{ "getreceivedbyaccount", &getreceivedbyaccount, false, false, true }, |
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{ "getreceivedbyaddress", &getreceivedbyaddress, false, false, true }, |
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{ "gettransaction", &gettransaction, false, false, true }, |
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{ "getunconfirmedbalance", &getunconfirmedbalance, false, false, true }, |
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{ "getwalletinfo", &getwalletinfo, true, false, true }, |
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{ "importprivkey", &importprivkey, false, false, true }, |
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{ "importwallet", &importwallet, false, false, true }, |
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{ "keypoolrefill", &keypoolrefill, true, false, true }, |
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{ "listaccounts", &listaccounts, false, false, true }, |
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{ "listaddressgroupings", &listaddressgroupings, false, false, true }, |
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{ "listlockunspent", &listlockunspent, false, false, true }, |
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{ "listreceivedbyaccount", &listreceivedbyaccount, false, false, true }, |
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{ "listreceivedbyaddress", &listreceivedbyaddress, false, false, true }, |
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{ "listsinceblock", &listsinceblock, false, false, true }, |
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{ "listtransactions", &listtransactions, false, false, true }, |
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{ "listunspent", &listunspent, false, false, true }, |
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{ "lockunspent", &lockunspent, false, false, true }, |
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{ "move", &movecmd, false, false, true }, |
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{ "sendfrom", &sendfrom, false, false, true }, |
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{ "sendmany", &sendmany, false, false, true }, |
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{ "sendtoaddress", &sendtoaddress, false, false, true }, |
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{ "setaccount", &setaccount, true, false, true }, |
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{ "settxfee", &settxfee, false, false, true }, |
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{ "signmessage", &signmessage, false, false, true }, |
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{ "walletlock", &walletlock, true, false, true }, |
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{ "walletpassphrasechange", &walletpassphrasechange, false, false, true }, |
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{ "walletpassphrase", &walletpassphrase, true, false, true }, |
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/* Wallet-enabled mining */ |
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{ "getgenerate", &getgenerate, true, false, false }, |
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{ "gethashespersec", &gethashespersec, true, false, false }, |
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{ "getwork", &getwork, true, false, true }, |
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{ "setgenerate", &setgenerate, true, true, false }, |
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#endif // ENABLE_WALLET |
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}; |
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CRPCTable::CRPCTable() |
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{ |
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unsigned int vcidx; |
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for (vcidx = 0; vcidx < (sizeof(vRPCCommands) / sizeof(vRPCCommands[0])); vcidx++) |
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{ |
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const CRPCCommand *pcmd; |
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pcmd = &vRPCCommands[vcidx]; |
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mapCommands[pcmd->name] = pcmd; |
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} |
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} |
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const CRPCCommand *CRPCTable::operator[](string name) const |
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{ |
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map<string, const CRPCCommand*>::const_iterator it = mapCommands.find(name); |
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if (it == mapCommands.end()) |
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return NULL; |
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return (*it).second; |
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} |
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bool HTTPAuthorized(map<string, string>& mapHeaders) |
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{ |
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string strAuth = mapHeaders["authorization"]; |
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if (strAuth.substr(0,6) != "Basic ") |
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return false; |
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string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64); |
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string strUserPass = DecodeBase64(strUserPass64); |
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return TimingResistantEqual(strUserPass, strRPCUserColonPass); |
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} |
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void ErrorReply(std::ostream& stream, const Object& objError, const Value& id) |
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{ |
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// Send error reply from json-rpc error object |
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int nStatus = HTTP_INTERNAL_SERVER_ERROR; |
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int code = find_value(objError, "code").get_int(); |
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if (code == RPC_INVALID_REQUEST) nStatus = HTTP_BAD_REQUEST; |
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else if (code == RPC_METHOD_NOT_FOUND) nStatus = HTTP_NOT_FOUND; |
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string strReply = JSONRPCReply(Value::null, objError, id); |
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stream << HTTPReply(nStatus, strReply, false) << std::flush; |
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} |
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CNetAddr BoostAsioToCNetAddr(boost::asio::ip::address address) |
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{ |
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CNetAddr netaddr; |
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// Make sure that IPv4-compatible and IPv4-mapped IPv6 addresses are treated as IPv4 addresses |
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if (address.is_v6() |
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&& (address.to_v6().is_v4_compatible() |
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|| address.to_v6().is_v4_mapped())) |
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address = address.to_v6().to_v4(); |
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if(address.is_v4()) |
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{ |
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boost::asio::ip::address_v4::bytes_type bytes = address.to_v4().to_bytes(); |
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netaddr.SetRaw(NET_IPV4, &bytes[0]); |
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} |
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else |
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{ |
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boost::asio::ip::address_v6::bytes_type bytes = address.to_v6().to_bytes(); |
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netaddr.SetRaw(NET_IPV6, &bytes[0]); |
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} |
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return netaddr; |
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} |
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bool ClientAllowed(const boost::asio::ip::address& address) |
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{ |
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CNetAddr netaddr = BoostAsioToCNetAddr(address); |
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BOOST_FOREACH(const CSubNet &subnet, rpc_allow_subnets) |
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if (subnet.Match(netaddr)) |
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return true; |
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return false; |
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} |
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class AcceptedConnection |
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{ |
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public: |
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virtual ~AcceptedConnection() {} |
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virtual std::iostream& stream() = 0; |
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virtual std::string peer_address_to_string() const = 0; |
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virtual void close() = 0; |
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}; |
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template <typename Protocol> |
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class AcceptedConnectionImpl : public AcceptedConnection |
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{ |
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public: |
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AcceptedConnectionImpl( |
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asio::io_service& io_service, |
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ssl::context &context, |
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bool fUseSSL) : |
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sslStream(io_service, context), |
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_d(sslStream, fUseSSL), |
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_stream(_d) |
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{ |
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} |
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virtual std::iostream& stream() |
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{ |
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return _stream; |
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} |
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virtual std::string peer_address_to_string() const |
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{ |
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return peer.address().to_string(); |
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} |
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virtual void close() |
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{ |
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_stream.close(); |
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} |
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typename Protocol::endpoint peer; |
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asio::ssl::stream<typename Protocol::socket> sslStream; |
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private: |
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SSLIOStreamDevice<Protocol> _d; |
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iostreams::stream< SSLIOStreamDevice<Protocol> > _stream; |
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}; |
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void ServiceConnection(AcceptedConnection *conn); |
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|
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// Forward declaration required for RPCListen |
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template <typename Protocol, typename SocketAcceptorService> |
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static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor, |
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ssl::context& context, |
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bool fUseSSL, |
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boost::shared_ptr< AcceptedConnection > conn, |
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const boost::system::error_code& error); |
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|
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/** |
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* Sets up I/O resources to accept and handle a new connection. |
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*/ |
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template <typename Protocol, typename SocketAcceptorService> |
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static void RPCListen(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor, |
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ssl::context& context, |
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const bool fUseSSL) |
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{ |
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// Accept connection |
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boost::shared_ptr< AcceptedConnectionImpl<Protocol> > conn(new AcceptedConnectionImpl<Protocol>(acceptor->get_io_service(), context, fUseSSL)); |
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|
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acceptor->async_accept( |
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conn->sslStream.lowest_layer(), |
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conn->peer, |
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boost::bind(&RPCAcceptHandler<Protocol, SocketAcceptorService>, |
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acceptor, |
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boost::ref(context), |
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fUseSSL, |
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conn, |
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_1)); |
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} |
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|
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/** |
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* Accept and handle incoming connection. |
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*/ |
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template <typename Protocol, typename SocketAcceptorService> |
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static void RPCAcceptHandler(boost::shared_ptr< basic_socket_acceptor<Protocol, SocketAcceptorService> > acceptor, |
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ssl::context& context, |
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const bool fUseSSL, |
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boost::shared_ptr< AcceptedConnection > conn, |
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const boost::system::error_code& error) |
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{ |
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// Immediately start accepting new connections, except when we're cancelled or our socket is closed. |
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if (error != asio::error::operation_aborted && acceptor->is_open()) |
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RPCListen(acceptor, context, fUseSSL); |
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|
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AcceptedConnectionImpl<ip::tcp>* tcp_conn = dynamic_cast< AcceptedConnectionImpl<ip::tcp>* >(conn.get()); |
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|
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if (error) |
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{ |
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// TODO: Actually handle errors |
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LogPrintf("%s: Error: %s\n", __func__, error.message()); |
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} |
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// Restrict callers by IP. It is important to |
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// do this before starting client thread, to filter out |
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// certain DoS and misbehaving clients. |
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else if (tcp_conn && !ClientAllowed(tcp_conn->peer.address())) |
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{ |
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// Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake. |
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if (!fUseSSL) |
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conn->stream() << HTTPReply(HTTP_FORBIDDEN, "", false) << std::flush; |
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conn->close(); |
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} |
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else { |
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ServiceConnection(conn.get()); |
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conn->close(); |
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} |
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} |
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|
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static ip::tcp::endpoint ParseEndpoint(const std::string &strEndpoint, int defaultPort) |
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{ |
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std::string addr; |
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int port = defaultPort; |
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SplitHostPort(strEndpoint, port, addr); |
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return ip::tcp::endpoint(asio::ip::address::from_string(addr), port); |
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} |
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|
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void StartRPCThreads() |
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{ |
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rpc_allow_subnets.clear(); |
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rpc_allow_subnets.push_back(CSubNet("127.0.0.0/8")); // always allow IPv4 local subnet |
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rpc_allow_subnets.push_back(CSubNet("::1")); // always allow IPv6 localhost |
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if (mapMultiArgs.count("-rpcallowip")) |
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{ |
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const vector<string>& vAllow = mapMultiArgs["-rpcallowip"]; |
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BOOST_FOREACH(string strAllow, vAllow) |
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{ |
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CSubNet subnet(strAllow); |
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if(!subnet.IsValid()) |
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{ |
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uiInterface.ThreadSafeMessageBox( |
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strprintf("Invalid -rpcallowip subnet specification: %s", strAllow), |
|
"", CClientUIInterface::MSG_ERROR); |
|
StartShutdown(); |
|
return; |
|
} |
|
rpc_allow_subnets.push_back(subnet); |
|
} |
|
} |
|
std::string strAllowed; |
|
BOOST_FOREACH(const CSubNet &subnet, rpc_allow_subnets) |
|
strAllowed += subnet.ToString() + " "; |
|
LogPrint("rpc", "Allowing RPC connections from: %s\n", strAllowed); |
|
|
|
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, |
|
GetConfigFile().string(), |
|
EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32)), |
|
"", 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 LogPrintf("ThreadRPCServer ERROR: missing server certificate file %s\n", pathCertFile.string()); |
|
|
|
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 LogPrintf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string()); |
|
|
|
string strCiphers = GetArg("-rpcsslciphers", "TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH"); |
|
SSL_CTX_set_cipher_list(rpc_ssl_context->impl(), strCiphers.c_str()); |
|
} |
|
|
|
std::vector<ip::tcp::endpoint> vEndpoints; |
|
bool bBindAny = false; |
|
int defaultPort = GetArg("-rpcport", Params().RPCPort()); |
|
if (!mapArgs.count("-rpcallowip")) // Default to loopback if not allowing external IPs |
|
{ |
|
vEndpoints.push_back(ip::tcp::endpoint(asio::ip::address_v6::loopback(), defaultPort)); |
|
vEndpoints.push_back(ip::tcp::endpoint(asio::ip::address_v4::loopback(), defaultPort)); |
|
if (mapArgs.count("-rpcbind")) |
|
{ |
|
LogPrintf("WARNING: option -rpcbind was ignored because -rpcallowip was not specified, refusing to allow everyone to connect\n"); |
|
} |
|
} else if (mapArgs.count("-rpcbind")) // Specific bind address |
|
{ |
|
BOOST_FOREACH(const std::string &addr, mapMultiArgs["-rpcbind"]) |
|
{ |
|
try { |
|
vEndpoints.push_back(ParseEndpoint(addr, defaultPort)); |
|
} |
|
catch(boost::system::system_error &e) |
|
{ |
|
uiInterface.ThreadSafeMessageBox( |
|
strprintf(_("Could not parse -rpcbind value %s as network address"), addr), |
|
"", CClientUIInterface::MSG_ERROR); |
|
StartShutdown(); |
|
return; |
|
} |
|
} |
|
} else { // No specific bind address specified, bind to any |
|
vEndpoints.push_back(ip::tcp::endpoint(asio::ip::address_v6::any(), defaultPort)); |
|
vEndpoints.push_back(ip::tcp::endpoint(asio::ip::address_v4::any(), defaultPort)); |
|
// Prefer making the socket dual IPv6/IPv4 instead of binding |
|
// to both addresses seperately. |
|
bBindAny = true; |
|
} |
|
|
|
bool fListening = false; |
|
std::string strerr; |
|
BOOST_FOREACH(const ip::tcp::endpoint &endpoint, vEndpoints) |
|
{ |
|
asio::ip::address bindAddress = endpoint.address(); |
|
LogPrintf("Binding RPC on address %s port %i (IPv4+IPv6 bind any: %i)\n", bindAddress.to_string(), endpoint.port(), bBindAny); |
|
boost::system::error_code v6_only_error; |
|
boost::shared_ptr<ip::tcp::acceptor> acceptor(new ip::tcp::acceptor(*rpc_io_service)); |
|
rpc_acceptors.push_back(acceptor); |
|
|
|
try { |
|
acceptor->open(endpoint.protocol()); |
|
acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true)); |
|
|
|
// Try making the socket dual IPv6/IPv4 when listening on the IPv6 "any" address |
|
acceptor->set_option(boost::asio::ip::v6_only( |
|
!bBindAny || bindAddress != asio::ip::address_v6::any()), v6_only_error); |
|
|
|
acceptor->bind(endpoint); |
|
acceptor->listen(socket_base::max_connections); |
|
|
|
RPCListen(acceptor, *rpc_ssl_context, fUseSSL); |
|
|
|
fListening = true; |
|
// If dual IPv6/IPv4 bind succesful, skip binding to IPv4 separately |
|
if(bBindAny && bindAddress == asio::ip::address_v6::any() && !v6_only_error) |
|
break; |
|
} |
|
catch(boost::system::system_error &e) |
|
{ |
|
LogPrintf("ERROR: Binding RPC on address %s port %i failed: %s\n", bindAddress.to_string(), endpoint.port(), e.what()); |
|
strerr = strprintf(_("An error occurred while setting up the RPC address %s port %u for listening: %s"), bindAddress.to_string(), 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 StartDummyRPCThread() |
|
{ |
|
if(rpc_io_service == NULL) |
|
{ |
|
rpc_io_service = new asio::io_service(); |
|
/* Create dummy "work" to keep the thread from exiting when no timeouts active, |
|
* see http://www.boost.org/doc/libs/1_51_0/doc/html/boost_asio/reference/io_service.html#boost_asio.reference.io_service.stopping_the_io_service_from_running_out_of_work */ |
|
rpc_dummy_work = new asio::io_service::work(*rpc_io_service); |
|
rpc_worker_group = new boost::thread_group(); |
|
rpc_worker_group->create_thread(boost::bind(&asio::io_service::run, rpc_io_service)); |
|
} |
|
} |
|
|
|
void StopRPCThreads() |
|
{ |
|
if (rpc_io_service == NULL) return; |
|
|
|
// First, cancel all timers and acceptors |
|
// This is not done automatically by ->stop(), and in some cases the destructor of |
|
// asio::io_service can hang if this is skipped. |
|
BOOST_FOREACH(const boost::shared_ptr<ip::tcp::acceptor> &acceptor, rpc_acceptors) |
|
acceptor->cancel(); |
|
rpc_acceptors.clear(); |
|
BOOST_FOREACH(const PAIRTYPE(std::string, boost::shared_ptr<deadline_timer>) &timer, deadlineTimers) |
|
timer.second->cancel(); |
|
deadlineTimers.clear(); |
|
|
|
rpc_io_service->stop(); |
|
if (rpc_worker_group != NULL) |
|
rpc_worker_group->join_all(); |
|
delete rpc_dummy_work; rpc_dummy_work = NULL; |
|
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_t 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") |
|
LogPrint("rpc", "ThreadRPCServer method=%s\n", strMethod); |
|
|
|
// 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 && !ShutdownRequested()) |
|
{ |
|
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)) |
|
{ |
|
LogPrintf("ThreadRPCServer incorrect password attempt from %s\n", conn->peer_address_to_string()); |
|
/* 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"); |
|
#ifdef ENABLE_WALLET |
|
if (pcmd->reqWallet && !pwalletMain) |
|
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found (disabled)"); |
|
#endif |
|
|
|
// 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); |
|
#ifdef ENABLE_WALLET |
|
else if (!pwalletMain) { |
|
LOCK(cs_main); |
|
result = pcmd->actor(params, false); |
|
} else { |
|
LOCK2(cs_main, pwalletMain->cs_wallet); |
|
result = pcmd->actor(params, false); |
|
} |
|
#else // ENABLE_WALLET |
|
else { |
|
LOCK(cs_main); |
|
result = pcmd->actor(params, false); |
|
} |
|
#endif // !ENABLE_WALLET |
|
} |
|
return result; |
|
} |
|
catch (std::exception& e) |
|
{ |
|
throw JSONRPCError(RPC_MISC_ERROR, e.what()); |
|
} |
|
} |
|
|
|
std::string HelpExampleCli(string methodname, string args){ |
|
return "> bitcoin-cli " + methodname + " " + args + "\n"; |
|
} |
|
|
|
std::string HelpExampleRpc(string methodname, string args){ |
|
return "> curl --user myusername --data-binary '{\"jsonrpc\": \"1.0\", \"id\":\"curltest\", " |
|
"\"method\": \"" + methodname + "\", \"params\": [" + args + "] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/\n"; |
|
} |
|
|
|
const CRPCTable tableRPC;
|
|
|