src/rpcserver.cpp

   1 // Copyright (c) 2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2014 The Bitcoin Core developers
   3 // Distributed under the MIT software license, see the accompanying
   4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5
   6 #include "rpcserver.h"
   7
   8 #include "base58.h"
   9 #include "init.h"
  10 #include "random.h"
  11 #include "sync.h"
  12 #include "ui_interface.h"
  13 #include "util.h"
  14 #include "utilstrencodings.h"
  15 #include "asyncrpcqueue.h"
  16
  17 #include <memory>
  18
  19 #include <univalue.h>
  20
  21 #include <boost/bind.hpp>
  22 #include <boost/filesystem.hpp>
  23 #include <boost/foreach.hpp>
  24 #include <boost/iostreams/concepts.hpp>
  25 #include <boost/iostreams/stream.hpp>
  26 #include <boost/shared_ptr.hpp>
  27 #include <boost/signals2/signal.hpp>
  28 #include <boost/thread.hpp>
  29 #include <boost/algorithm/string/case_conv.hpp> // for to_upper()
  30
  31 using namespace RPCServer;
  32 using namespace std;
  33
  34 static bool fRPCRunning = false;
  35 static bool fRPCInWarmup = true;
  36 static std::string rpcWarmupStatus("RPC server started");
  37 static CCriticalSection cs_rpcWarmup;
  38 /* Timer-creating functions */
  39 static std::vector<RPCTimerInterface*> timerInterfaces;
  40 /* Map of name to timer.
  41  * @note Can be changed to std::unique_ptr when C++11 */
  42 static std::map<std::string, boost::shared_ptr<RPCTimerBase> > deadlineTimers;
  43
  44 static struct CRPCSignals
  45 {
  46     boost::signals2::signal<void ()> Started;
  47     boost::signals2::signal<void ()> Stopped;
  48     boost::signals2::signal<void (const CRPCCommand&)> PreCommand;
  49     boost::signals2::signal<void (const CRPCCommand&)> PostCommand;
  50 } g_rpcSignals;
  51
  52 void RPCServer::OnStarted(boost::function<void ()> slot)
  53 {
  54     g_rpcSignals.Started.connect(slot);
  55 }
  56
  57 void RPCServer::OnStopped(boost::function<void ()> slot)
  58 {
  59     g_rpcSignals.Stopped.connect(slot);
  60 }
  61
  62 void RPCServer::OnPreCommand(boost::function<void (const CRPCCommand&)> slot)
  63 {
  64     g_rpcSignals.PreCommand.connect(boost::bind(slot, _1));
  65 }
  66
  67 void RPCServer::OnPostCommand(boost::function<void (const CRPCCommand&)> slot)
  68 {
  69     g_rpcSignals.PostCommand.connect(boost::bind(slot, _1));
  70 }
  71
  72 void RPCTypeCheck(const UniValue& params,
  73                   const list<UniValue::VType>& typesExpected,
  74                   bool fAllowNull)
  75 {
  76     size_t i = 0;
  77     BOOST_FOREACH(UniValue::VType t, typesExpected)
  78     {
  79         if (params.size() <= i)
  80             break;
  81
  82         const UniValue& v = params[i];
  83         if (!((v.type() == t) || (fAllowNull && (v.isNull()))))
  84         {
  85             string err = strprintf("Expected type %s, got %s",
  86                                    uvTypeName(t), uvTypeName(v.type()));
  87             throw JSONRPCError(RPC_TYPE_ERROR, err);
  88         }
  89         i++;
  90     }
  91 }
  92
  93 void RPCTypeCheckObj(const UniValue& o,
  94                   const map<string, UniValue::VType>& typesExpected,
  95                   bool fAllowNull)
  96 {
  97     BOOST_FOREACH(const PAIRTYPE(string, UniValue::VType)& t, typesExpected)
  98     {
  99         const UniValue& v = find_value(o, t.first);
 100         if (!fAllowNull && v.isNull())
 101             throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing %s", t.first));
 102
 103         if (!((v.type() == t.second) || (fAllowNull && (v.isNull()))))
 104         {
 105             string err = strprintf("Expected type %s for %s, got %s",
 106                                    uvTypeName(t.second), t.first, uvTypeName(v.type()));
 107             throw JSONRPCError(RPC_TYPE_ERROR, err);
 108         }
 109     }
 110 }
 111
 112 CAmount AmountFromValue(const UniValue& value)
 113 {
 114     if (!value.isNum() && !value.isStr())
 115         throw JSONRPCError(RPC_TYPE_ERROR, "Amount is not a number or string");
 116     CAmount amount;
 117     if (!ParseFixedPoint(value.getValStr(), 8, &amount))
 118         throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
 119     if (!MoneyRange(amount))
 120         throw JSONRPCError(RPC_TYPE_ERROR, "Amount out of range");
 121     return amount;
 122 }
 123
 124 UniValue ValueFromAmount(const CAmount& amount)
 125 {
 126     bool sign = amount < 0;
 127     int64_t n_abs = (sign ? -amount : amount);
 128     int64_t quotient = n_abs / COIN;
 129     int64_t remainder = n_abs % COIN;
 130     return UniValue(UniValue::VNUM,
 131             strprintf("%s%d.%08d", sign ? "-" : "", quotient, remainder));
 132 }
 133
 134 uint256 ParseHashV(const UniValue& v, string strName)
 135 {
 136     string strHex;
 137     if (v.isStr())
 138         strHex = v.get_str();
 139     if (!IsHex(strHex)) // Note: IsHex("") is false
 140         throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
 141     uint256 result;
 142     result.SetHex(strHex);
 143     return result;
 144 }
 145 uint256 ParseHashO(const UniValue& o, string strKey)
 146 {
 147     return ParseHashV(find_value(o, strKey), strKey);
 148 }
 149 vector<unsigned char> ParseHexV(const UniValue& v, string strName)
 150 {
 151     string strHex;
 152     if (v.isStr())
 153         strHex = v.get_str();
 154     if (!IsHex(strHex))
 155         throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
 156     return ParseHex(strHex);
 157 }
 158 vector<unsigned char> ParseHexO(const UniValue& o, string strKey)
 159 {
 160     return ParseHexV(find_value(o, strKey), strKey);
 161 }
 162
 163 /**
 164  * Note: This interface may still be subject to change.
 165  */
 166
 167 std::string CRPCTable::help(const std::string& strCommand) const
 168 {
 169     string strRet;
 170     string category;
 171     set<rpcfn_type> setDone;
 172     vector<pair<string, const CRPCCommand*> > vCommands;
 173
 174     for (map<string, const CRPCCommand*>::const_iterator mi = mapCommands.begin(); mi != mapCommands.end(); ++mi)
 175         vCommands.push_back(make_pair(mi->second->category + mi->first, mi->second));
 176     sort(vCommands.begin(), vCommands.end());
 177
 178     BOOST_FOREACH(const PAIRTYPE(string, const CRPCCommand*)& command, vCommands)
 179     {
 180         const CRPCCommand *pcmd = command.second;
 181         string strMethod = pcmd->name;
 182         // We already filter duplicates, but these deprecated screw up the sort order
 183         if (strMethod.find("label") != string::npos)
 184             continue;
 185         if ((strCommand != "" || pcmd->category == "hidden") && strMethod != strCommand)
 186             continue;
 187         try
 188         {
 189             UniValue params;
 190             rpcfn_type pfn = pcmd->actor;
 191             if (setDone.insert(pfn).second)
 192                 (*pfn)(params, true);
 193         }
 194         catch (const std::exception& e)
 195         {
 196             // Help text is returned in an exception
 197             string strHelp = string(e.what());
 198             if (strCommand == "")
 199             {
 200                 if (strHelp.find('\n') != string::npos)
 201                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 202
 203                 if (category != pcmd->category)
 204                 {
 205                     if (!category.empty())
 206                         strRet += "\n";
 207                     category = pcmd->category;
 208                     string firstLetter = category.substr(0,1);
 209                     boost::to_upper(firstLetter);
 210                     strRet += "== " + firstLetter + category.substr(1) + " ==\n";
 211                 }
 212             }
 213             strRet += strHelp + "\n";
 214         }
 215     }
 216     if (strRet == "")
 217         strRet = strprintf("help: unknown command: %s\n", strCommand);
 218     strRet = strRet.substr(0,strRet.size()-1);
 219     return strRet;
 220 }
 221
 222 UniValue help(const UniValue& params, bool fHelp)
 223 {
 224     if (fHelp || params.size() > 1)
 225         throw runtime_error(
 226             "help ( \"command\" )\n"
 227             "\nList all commands, or get help for a specified command.\n"
 228             "\nArguments:\n"
 229             "1. \"command\"     (string, optional) The command to get help on\n"
 230             "\nResult:\n"
 231             "\"text\"     (string) The help text\n"
 232         );
 233
 234     string strCommand;
 235     if (params.size() > 0)
 236         strCommand = params[0].get_str();
 237
 238     return tableRPC.help(strCommand);
 239 }
 240
 241
 242 UniValue stop(const UniValue& params, bool fHelp)
 243 {
 244    // Accept the deprecated and ignored 'detach' boolean argument
 245     if (fHelp || params.size() > 1)
 246         throw runtime_error(
 247             "stop\n"
 248             "\nStop Komodo server.");
 249     // Shutdown will take long enough that the response should get back
 250     StartShutdown();
 251     return "Komodo server stopping";
 252 }
 253
 254 /**
 255  * Call Table
 256  */
 257 static const CRPCCommand vRPCCommands[] =
 258 { //  category              name                      actor (function)         okSafeMode
 259   //  --------------------- ------------------------  -----------------------  ----------
 260     /* Overall control/query calls */
 261     { "control",            "getinfo",                &getinfo,                true  }, /* uses wallet if enabled */
 262     { "control",            "help",                   &help,                   true  },
 263     { "control",            "stop",                   &stop,                   true  },
 264
 265     /* P2P networking */
 266     { "network",            "getnetworkinfo",         &getnetworkinfo,         true  },
 267     { "network",            "addnode",                &addnode,                true  },
 268     { "network",            "disconnectnode",         &disconnectnode,         true  },
 269     { "network",            "getaddednodeinfo",       &getaddednodeinfo,       true  },
 270     { "network",            "getconnectioncount",     &getconnectioncount,     true  },
 271     { "network",            "getnettotals",           &getnettotals,           true  },
 272     { "network",            "getpeerinfo",            &getpeerinfo,            true  },
 273     { "network",            "ping",                   &ping,                   true  },
 274     { "network",            "setban",                 &setban,                 true  },
 275     { "network",            "listbanned",             &listbanned,             true  },
 276     { "network",            "clearbanned",            &clearbanned,            true  },
 277
 278     /* Block chain and UTXO */
 279     { "blockchain",         "getblockchaininfo",      &getblockchaininfo,      true  },
 280     { "blockchain",         "getbestblockhash",       &getbestblockhash,       true  },
 281     { "blockchain",         "getblockcount",          &getblockcount,          true  },
 282     { "blockchain",         "getblock",               &getblock,               true  },
 283     { "blockchain",         "getblockhash",           &getblockhash,           true  },
 284     { "blockchain",         "getblockheader",         &getblockheader,         true  },
 285     { "blockchain",         "getchaintips",           &getchaintips,           true  },
 286     { "blockchain",         "getdifficulty",          &getdifficulty,          true  },
 287     { "blockchain",         "getmempoolinfo",         &getmempoolinfo,         true  },
 288     { "blockchain",         "getrawmempool",          &getrawmempool,          true  },
 289     { "blockchain",         "gettxout",               &gettxout,               true  },
 290     { "blockchain",         "gettxoutproof",          &gettxoutproof,          true  },
 291     { "blockchain",         "verifytxoutproof",       &verifytxoutproof,       true  },
 292     { "blockchain",         "gettxoutsetinfo",        &gettxoutsetinfo,        true  },
 293     { "blockchain",         "verifychain",            &verifychain,            true  },
 294     { "blockchain",         "paxprice",               &paxprice,               true  },
 295     { "blockchain",         "paxpending",             &paxpending,             true  },
 296     { "blockchain",         "paxprices",              &paxprices,              true  },
 297     { "blockchain",         "notaries",               &notaries,               true  },
 298     { "blockchain",         "minerids",               &minerids,               true  },
 299     { "blockchain",         "kvsearch",               &kvsearch,               true  },
 300     { "blockchain",         "kvupdate",               &kvupdate,               true  },
 301
 302     /* Mining */
 303 #ifdef ENABLE_WALLET
 304     { "mining",             "getblocktemplate",       &getblocktemplate,       true  },
 305 #endif
 306     { "mining",             "getmininginfo",          &getmininginfo,          true  },
 307     { "mining",             "getlocalsolps",          &getlocalsolps,          true  },
 308     { "mining",             "getnetworksolps",        &getnetworksolps,        true  },
 309     { "mining",             "getnetworkhashps",       &getnetworkhashps,       true  },
 310     { "mining",             "prioritisetransaction",  &prioritisetransaction,  true  },
 311     { "mining",             "submitblock",            &submitblock,            true  },
 312     { "mining",             "getblocksubsidy",        &getblocksubsidy,        true  },
 313
 314 #ifdef ENABLE_MINING
 315     /* Coin generation */
 316     { "generating",         "getgenerate",            &getgenerate,            true  },
 317     { "generating",         "setgenerate",            &setgenerate,            true  },
 318     { "generating",         "generate",               &generate,               true  },
 319 #endif
 320
 321     /* Raw transactions */
 322     { "rawtransactions",    "createrawtransaction",   &createrawtransaction,   true  },
 323     { "rawtransactions",    "decoderawtransaction",   &decoderawtransaction,   true  },
 324     { "rawtransactions",    "decodescript",           &decodescript,           true  },
 325     { "rawtransactions",    "getrawtransaction",      &getrawtransaction,      true  },
 326     { "rawtransactions",    "sendrawtransaction",     &sendrawtransaction,     false },
 327     { "rawtransactions",    "signrawtransaction",     &signrawtransaction,     false }, /* uses wallet if enabled */
 328 #ifdef ENABLE_WALLET
 329     { "rawtransactions",    "fundrawtransaction",     &fundrawtransaction,     false },
 330 #endif
 331
 332     /* Utility functions */
 333     { "util",               "createmultisig",         &createmultisig,         true  },
 334     { "util",               "validateaddress",        &validateaddress,        true  }, /* uses wallet if enabled */
 335     { "util",               "verifymessage",          &verifymessage,          true  },
 336     { "util",               "estimatefee",            &estimatefee,            true  },
 337     { "util",               "estimatepriority",       &estimatepriority,       true  },
 338     { "util",               "z_validateaddress",      &z_validateaddress,      true  }, /* uses wallet if enabled */
 339
 340     /* Not shown in help */
 341     { "hidden",             "invalidateblock",        &invalidateblock,        true  },
 342     { "hidden",             "reconsiderblock",        &reconsiderblock,        true  },
 343     { "hidden",             "setmocktime",            &setmocktime,            true  },
 344 #ifdef ENABLE_WALLET
 345     { "hidden",             "resendwallettransactions", &resendwallettransactions, true},
 346 #endif
 347
 348 #ifdef ENABLE_WALLET
 349     /* Wallet */
 350     { "wallet",             "addmultisigaddress",     &addmultisigaddress,     true  },
 351     { "wallet",             "backupwallet",           &backupwallet,           true  },
 352     { "wallet",             "dumpprivkey",            &dumpprivkey,            true  },
 353     { "wallet",             "dumpwallet",             &dumpwallet,             true  },
 354     { "wallet",             "encryptwallet",          &encryptwallet,          true  },
 355     { "wallet",             "getaccountaddress",      &getaccountaddress,      true  },
 356     { "wallet",             "getaccount",             &getaccount,             true  },
 357     { "wallet",             "getaddressesbyaccount",  &getaddressesbyaccount,  true  },
 358     { "wallet",             "getbalance",             &getbalance,             false },
 359     { "wallet",             "getnewaddress",          &getnewaddress,          true  },
 360     { "wallet",             "getrawchangeaddress",    &getrawchangeaddress,    true  },
 361     { "wallet",             "getreceivedbyaccount",   &getreceivedbyaccount,   false },
 362     { "wallet",             "getreceivedbyaddress",   &getreceivedbyaddress,   false },
 363     { "wallet",             "gettransaction",         &gettransaction,         false },
 364     { "wallet",             "getunconfirmedbalance",  &getunconfirmedbalance,  false },
 365     { "wallet",             "getwalletinfo",          &getwalletinfo,          false },
 366     { "wallet",             "importprivkey",          &importprivkey,          true  },
 367     { "wallet",             "importwallet",           &importwallet,           true  },
 368     { "wallet",             "importaddress",          &importaddress,          true  },
 369     { "wallet",             "keypoolrefill",          &keypoolrefill,          true  },
 370     { "wallet",             "listaccounts",           &listaccounts,           false },
 371     { "wallet",             "listaddressgroupings",   &listaddressgroupings,   false },
 372     { "wallet",             "listlockunspent",        &listlockunspent,        false },
 373     { "wallet",             "listreceivedbyaccount",  &listreceivedbyaccount,  false },
 374     { "wallet",             "listreceivedbyaddress",  &listreceivedbyaddress,  false },
 375     { "wallet",             "listsinceblock",         &listsinceblock,         false },
 376     { "wallet",             "listtransactions",       &listtransactions,       false },
 377     { "wallet",             "listunspent",            &listunspent,            false },
 378     { "wallet",             "lockunspent",            &lockunspent,            true  },
 379     { "wallet",             "move",                   &movecmd,                false },
 380     { "wallet",             "sendfrom",               &sendfrom,               false },
 381     { "wallet",             "sendmany",               &sendmany,               false },
 382     { "wallet",             "sendtoaddress",          &sendtoaddress,          false },
 383     { "wallet",             "setaccount",             &setaccount,             true  },
 384     { "wallet",             "settxfee",               &settxfee,               true  },
 385     { "wallet",             "signmessage",            &signmessage,            true  },
 386     { "wallet",             "walletlock",             &walletlock,             true  },
 387     { "wallet",             "walletpassphrasechange", &walletpassphrasechange, true  },
 388     { "wallet",             "walletpassphrase",       &walletpassphrase,       true  },
 389     { "wallet",             "zcbenchmark",            &zc_benchmark,           true  },
 390     { "wallet",             "zcrawkeygen",            &zc_raw_keygen,          true  },
 391     { "wallet",             "zcrawjoinsplit",         &zc_raw_joinsplit,       true  },
 392     { "wallet",             "zcrawreceive",           &zc_raw_receive,         true  },
 393     { "wallet",             "zcsamplejoinsplit",      &zc_sample_joinsplit,    true  },
 394     { "wallet",             "z_listreceivedbyaddress",&z_listreceivedbyaddress,false },
 395     { "wallet",             "z_getbalance",           &z_getbalance,           false },
 396     { "wallet",             "z_gettotalbalance",      &z_gettotalbalance,      false },
 397     { "wallet",             "z_sendmany",             &z_sendmany,             false },
 398     { "wallet",             "z_getoperationstatus",   &z_getoperationstatus,   true  },
 399     { "wallet",             "z_getoperationresult",   &z_getoperationresult,   true  },
 400     { "wallet",             "z_listoperationids",     &z_listoperationids,     true  },
 401     { "wallet",             "z_getnewaddress",        &z_getnewaddress,        true  },
 402     { "wallet",             "z_listaddresses",        &z_listaddresses,        true  },
 403     { "wallet",             "z_exportkey",            &z_exportkey,            true  },
 404     { "wallet",             "z_importkey",            &z_importkey,            true  },
 405     { "wallet",             "z_exportwallet",         &z_exportwallet,         true  },
 406     { "wallet",             "z_importwallet",         &z_importwallet,         true  },
 407
 408     { "wallet",             "paxdeposit",             &paxdeposit,             true  },
 409     { "wallet",             "paxwithdraw",            &paxwithdraw,            true  }
 410 #endif // ENABLE_WALLET
 411 };
 412
 413 CRPCTable::CRPCTable()
 414 {
 415     unsigned int vcidx;
 416     for (vcidx = 0; vcidx < (sizeof(vRPCCommands) / sizeof(vRPCCommands[0])); vcidx++)
 417     {
 418         const CRPCCommand *pcmd;
 419
 420         pcmd = &vRPCCommands[vcidx];
 421         mapCommands[pcmd->name] = pcmd;
 422     }
 423 }
 424
 425 const CRPCCommand *CRPCTable::operator[](const std::string &name) const
 426 {
 427     map<string, const CRPCCommand*>::const_iterator it = mapCommands.find(name);
 428     if (it == mapCommands.end())
 429         return NULL;
 430     return (*it).second;
 431 }
 432
 433 bool StartRPC()
 434 {
 435 /*<<<<<<< HEA
 436     std::string addr;
 437     int port = defaultPort;
 438     SplitHostPort(strEndpoint, port, addr);
 439     return ip::tcp::endpoint(boost::asio::ip::address::from_string(addr), port);
 440 }
 441
 442 void StartRPCThreads()
 443 {
 444     rpc_allow_subnets.clear();
 445     rpc_allow_subnets.push_back(CSubNet("127.0.0.0/8")); // always allow IPv4 local subnet
 446     rpc_allow_subnets.push_back(CSubNet("::1")); // always allow IPv6 localhost
 447     if (mapMultiArgs.count("-rpcallowip"))
 448     {
 449         const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
 450         BOOST_FOREACH(string strAllow, vAllow)
 451         {
 452             CSubNet subnet(strAllow);
 453             if(!subnet.IsValid())
 454             {
 455                 uiInterface.ThreadSafeMessageBox(
 456                     strprintf("Invalid -rpcallowip subnet specification: %s. Valid are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24).", strAllow),
 457                     "", CClientUIInterface::MSG_ERROR);
 458                 StartShutdown();
 459                 return;
 460             }
 461             rpc_allow_subnets.push_back(subnet);
 462         }
 463     }
 464     std::string strAllowed;
 465     BOOST_FOREACH(const CSubNet &subnet, rpc_allow_subnets)
 466         strAllowed += subnet.ToString() + " ";
 467     LogPrint("rpc", "Allowing RPC connections from: %s\n", strAllowed);
 468
 469     if (mapArgs["-rpcpassword"] == "")
 470     {
 471         LogPrintf("No rpcpassword set - using random cookie authentication\n");
 472         if (!GenerateAuthCookie(&strRPCUserColonPass)) {
 473             uiInterface.ThreadSafeMessageBox(
 474                 _("Error: A fatal internal error occured, see debug.log for details"), // Same message as AbortNode
 475                 "", CClientUIInterface::MSG_ERROR);
 476             StartShutdown();
 477             return;
 478         }
 479     } else {
 480         strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
 481     }
 482
 483     assert(rpc_io_service == NULL);
 484     rpc_io_service = new boost::asio::io_service();
 485     rpc_ssl_context = new ssl::context(*rpc_io_service, ssl::context::sslv23);
 486
 487     const bool fUseSSL = GetBoolArg("-rpcssl", false);
 488
 489     if (fUseSSL)
 490     {
 491         rpc_ssl_context->set_options(ssl::context::no_sslv2 | ssl::context::no_sslv3);
 492
 493         boost::filesystem::path pathCertFile(GetArg("-rpcsslcertificatechainfile", "server.cert"));
 494         if (!pathCertFile.is_complete()) pathCertFile = boost::filesystem::path(GetDataDir()) / pathCertFile;
 495         if (boost::filesystem::exists(pathCertFile)) rpc_ssl_context->use_certificate_chain_file(pathCertFile.string());
 496         else LogPrintf("ThreadRPCServer ERROR: missing server certificate file %s\n", pathCertFile.string());
 497
 498         boost::filesystem::path pathPKFile(GetArg("-rpcsslprivatekeyfile", "server.pem"));
 499         if (!pathPKFile.is_complete()) pathPKFile = boost::filesystem::path(GetDataDir()) / pathPKFile;
 500         if (boost::filesystem::exists(pathPKFile)) rpc_ssl_context->use_private_key_file(pathPKFile.string(), ssl::context::pem);
 501         else LogPrintf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string());
 502
 503         string strCiphers = GetArg("-rpcsslciphers", "TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH");
 504         SSL_CTX_set_cipher_list(rpc_ssl_context->impl(), strCiphers.c_str());
 505     }
 506
 507     std::vector<ip::tcp::endpoint> vEndpoints;
 508     bool bBindAny = false;
 509     int defaultPort = GetArg("-rpcport", BaseParams().RPCPort());
 510     if (!mapArgs.count("-rpcallowip")) // Default to loopback if not allowing external IPs
 511     {
 512         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v6::loopback(), defaultPort));
 513         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v4::loopback(), defaultPort));
 514         if (mapArgs.count("-rpcbind"))
 515         {
 516             LogPrintf("WARNING: option -rpcbind was ignored because -rpcallowip was not specified, refusing to allow everyone to connect\n");
 517         }
 518     } else if (mapArgs.count("-rpcbind")) // Specific bind address
 519     {
 520         BOOST_FOREACH(const std::string &addr, mapMultiArgs["-rpcbind"])
 521         {
 522             try {
 523                 vEndpoints.push_back(ParseEndpoint(addr, defaultPort));
 524             }
 525             catch (const boost::system::system_error&)
 526             {
 527                 uiInterface.ThreadSafeMessageBox(
 528                     strprintf(_("Could not parse -rpcbind value %s as network address"), addr),
 529                     "", CClientUIInterface::MSG_ERROR);
 530                 StartShutdown();
 531                 return;
 532             }
 533         }
 534     } else { // No specific bind address specified, bind to any
 535         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v6::any(), defaultPort));
 536         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v4::any(), defaultPort));
 537         // Prefer making the socket dual IPv6/IPv4 instead of binding
 538         // to both addresses separately.
 539         bBindAny = true;
 540     }
 541
 542     bool fListening = false;
 543     std::string strerr;
 544     std::string straddress;
 545     BOOST_FOREACH(const ip::tcp::endpoint &endpoint, vEndpoints)
 546     {
 547         try {
 548             boost::asio::ip::address bindAddress = endpoint.address();
 549             straddress = bindAddress.to_string();
 550             LogPrintf("Binding RPC on address %s port %i (IPv4+IPv6 bind any: %i)\n", straddress, endpoint.port(), bBindAny);
 551             boost::system::error_code v6_only_error;
 552             boost::shared_ptr<ip::tcp::acceptor> acceptor(new ip::tcp::acceptor(*rpc_io_service));
 553
 554             acceptor->open(endpoint.protocol());
 555             acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
 556
 557             // Try making the socket dual IPv6/IPv4 when listening on the IPv6 "any" address
 558             acceptor->set_option(boost::asio::ip::v6_only(
 559                 !bBindAny || bindAddress != boost::asio::ip::address_v6::any()), v6_only_error);
 560
 561             acceptor->bind(endpoint);
 562             acceptor->listen(socket_base::max_connections);
 563
 564             RPCListen(acceptor, *rpc_ssl_context, fUseSSL);
 565
 566             fListening = true;
 567             rpc_acceptors.push_back(acceptor);
 568             // If dual IPv6/IPv4 bind successful, skip binding to IPv4 separately
 569             if(bBindAny && bindAddress == boost::asio::ip::address_v6::any() && !v6_only_error)
 570                 break;
 571         }
 572         catch (const boost::system::system_error& e)
 573         {
 574             LogPrintf("ERROR: Binding RPC on address %s port %i failed: %s\n", straddress, endpoint.port(), e.what());
 575             strerr = strprintf(_("An error occurred while setting up the RPC address %s port %u for listening: %s"), straddress, endpoint.port(), e.what());
 576         }
 577     }
 578
 579     if (!fListening) {
 580         uiInterface.ThreadSafeMessageBox(strerr, "", CClientUIInterface::MSG_ERROR);
 581         StartShutdown();
 582         return;
 583     }
 584
 585     rpc_worker_group = new boost::thread_group();
 586     for (int i = 0; i < GetArg("-rpcthreads", 4); i++)
 587         rpc_worker_group->create_thread(boost::bind(&boost::asio::io_service::run, rpc_io_service));
 588 =======
 589     LogPrint("rpc", "Starting RPC\n");
 590 >>>>>>> zcash/master*/
 591     fRPCRunning = true;
 592     g_rpcSignals.Started();
 593
 594     // Launch one async rpc worker.  The ability to launch multiple workers is not recommended at present and thus the option is disabled.
 595     //for (int i=0; i<32; i++)
 596         getAsyncRPCQueue()->addWorker();
 597 /*
 598     int n = GetArg("-rpcasyncthreads", 1);
 599     if (n<1) {
 600         LogPrintf("ERROR: Invalid value %d for -rpcasyncthreads.  Must be at least 1.\n", n);
 601         strerr = strprintf(_("An error occurred while setting up the Async RPC threads, invalid parameter value of %d (must be at least 1)."), n);
 602         uiInterface.ThreadSafeMessageBox(strerr, "", CClientUIInterface::MSG_ERROR);
 603         StartShutdown();
 604         return;
 605     }
 606     for (int i = 0; i < n; i++)
 607         getAsyncRPCQueue()->addWorker();
 608 */
 609     return true;
 610 }
 611
 612 void InterruptRPC()
 613 {
 614     LogPrint("rpc", "Interrupting RPC\n");
 615     // Interrupt e.g. running longpolls
 616     fRPCRunning = false;
 617 }
 618
 619 void StopRPC()
 620 {
 621     LogPrint("rpc", "Stopping RPC\n");
 622     deadlineTimers.clear();
 623     g_rpcSignals.Stopped();
 624
 625     // Tells async queue to cancel all operations and shutdown.
 626     LogPrintf("%s: waiting for async rpc workers to stop\n", __func__);
 627     getAsyncRPCQueue()->closeAndWait();
 628 }
 629
 630 bool IsRPCRunning()
 631 {
 632     return fRPCRunning;
 633 }
 634
 635 void SetRPCWarmupStatus(const std::string& newStatus)
 636 {
 637     LOCK(cs_rpcWarmup);
 638     rpcWarmupStatus = newStatus;
 639 }
 640
 641 void SetRPCWarmupFinished()
 642 {
 643     LOCK(cs_rpcWarmup);
 644     assert(fRPCInWarmup);
 645     fRPCInWarmup = false;
 646 }
 647
 648 bool RPCIsInWarmup(std::string *outStatus)
 649 {
 650     LOCK(cs_rpcWarmup);
 651     if (outStatus)
 652         *outStatus = rpcWarmupStatus;
 653     return fRPCInWarmup;
 654 }
 655
 656 void JSONRequest::parse(const UniValue& valRequest)
 657 {
 658     // Parse request
 659     if (!valRequest.isObject())
 660         throw JSONRPCError(RPC_INVALID_REQUEST, "Invalid Request object");
 661     const UniValue& request = valRequest.get_obj();
 662
 663     // Parse id now so errors from here on will have the id
 664     id = find_value(request, "id");
 665
 666     // Parse method
 667     UniValue valMethod = find_value(request, "method");
 668     if (valMethod.isNull())
 669         throw JSONRPCError(RPC_INVALID_REQUEST, "Missing method");
 670     if (!valMethod.isStr())
 671         throw JSONRPCError(RPC_INVALID_REQUEST, "Method must be a string");
 672     strMethod = valMethod.get_str();
 673     if (strMethod != "getblocktemplate")
 674         LogPrint("rpc", "ThreadRPCServer method=%s\n", SanitizeString(strMethod));
 675
 676     // Parse params
 677     UniValue valParams = find_value(request, "params");
 678     if (valParams.isArray())
 679         params = valParams.get_array();
 680     else if (valParams.isNull())
 681         params = UniValue(UniValue::VARR);
 682     else
 683         throw JSONRPCError(RPC_INVALID_REQUEST, "Params must be an array");
 684 }
 685
 686 static UniValue JSONRPCExecOne(const UniValue& req)
 687 {
 688     UniValue rpc_result(UniValue::VOBJ);
 689
 690     JSONRequest jreq;
 691     try {
 692         jreq.parse(req);
 693
 694         UniValue result = tableRPC.execute(jreq.strMethod, jreq.params);
 695         rpc_result = JSONRPCReplyObj(result, NullUniValue, jreq.id);
 696     }
 697     catch (const UniValue& objError)
 698     {
 699         rpc_result = JSONRPCReplyObj(NullUniValue, objError, jreq.id);
 700     }
 701     catch (const std::exception& e)
 702     {
 703         rpc_result = JSONRPCReplyObj(NullUniValue,
 704                                      JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
 705     }
 706
 707     return rpc_result;
 708 }
 709
 710 std::string JSONRPCExecBatch(const UniValue& vReq)
 711 {
 712     UniValue ret(UniValue::VARR);
 713     for (size_t reqIdx = 0; reqIdx < vReq.size(); reqIdx++)
 714         ret.push_back(JSONRPCExecOne(vReq[reqIdx]));
 715
 716     return ret.write() + "\n";
 717 }
 718
 719 UniValue CRPCTable::execute(const std::string &strMethod, const UniValue &params) const
 720 {
 721     // Return immediately if in warmup
 722     {
 723         LOCK(cs_rpcWarmup);
 724         if (fRPCInWarmup)
 725             throw JSONRPCError(RPC_IN_WARMUP, rpcWarmupStatus);
 726     }
 727
 728 /*<<<<<<< HEA
 729     if (!HTTPAuthorized(mapHeaders))
 730     {
 731         LogPrintf("ThreadRPCServer incorrect password attempt from %s\n", conn->peer_address_to_string());
 732         //Deter brute-forcing  We don't support exposing the RPC port, so this shouldn't result in a DoS.
 733         MilliSleep(250);
 734
 735         conn->stream() << HTTPError(HTTP_UNAUTHORIZED, false) << std::flush;
 736         return false;
 737     }
 738     JSONRequest jreq;
 739     try
 740     {
 741         // Parse request
 742         Value valRequest;
 743         if (!read_string(strRequest, valRequest))
 744         {
 745             fprintf(stderr,"CANTPARSE.(%s)\n",strRequest.c_str());
 746             throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
 747         }
 748         // Return immediately if in warmup
 749         {
 750             LOCK(cs_rpcWarmup);
 751             if (fRPCInWarmup)
 752                 throw JSONRPCError(RPC_IN_WARMUP, rpcWarmupStatus);
 753         }
 754
 755         string strReply;
 756
 757         // singleton request
 758         if (valRequest.type() == obj_type) {
 759             jreq.parse(valRequest);
 760
 761             Value result = tableRPC.execute(jreq.strMethod, jreq.params);
 762
 763             // Send reply
 764             strReply = JSONRPCReply(result, Value::null, jreq.id);
 765
 766         // array of requests
 767         } else if (valRequest.type() == array_type)
 768             strReply = JSONRPCExecBatch(valRequest.get_array());
 769         else
 770             throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
 771
 772         conn->stream() << HTTPReplyHeader(HTTP_OK, fRun, strReply.size()) << strReply << std::flush;
 773     }
 774     catch (const Object& objError)
 775     {
 776         ErrorReply(conn->stream(), objError, jreq.id);
 777         return false;
 778     }
 779     catch (const std::exception& e)
 780     {
 781         ErrorReply(conn->stream(), JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
 782         return false;
 783     }
 784     return true;
 785 }
 786
 787 void ServiceConnection(AcceptedConnection *conn)
 788 {
 789     bool fRun = true;
 790     while (fRun && !ShutdownRequested())
 791     {
 792         int nProto = 0;
 793         map<string, string> mapHeaders;
 794         string strRequest, strMethod, strURI;
 795
 796         // Read HTTP request line
 797         if (!ReadHTTPRequestLine(conn->stream(), nProto, strMethod, strURI))
 798             break;
 799
 800         // Read HTTP message headers and body
 801         ReadHTTPMessage(conn->stream(), mapHeaders, strRequest, nProto, MAX_SIZE);
 802
 803         // TODO #1856: Re-enable support for persistent connections.
 804         // We have disabled support for HTTP Keep-Alive until resolution of #1680, upstream rpc deadlock.
 805         // Close connection immediately.
 806         fRun = false;
 807
 808         // HTTP Keep-Alive is false; close connection immediately
 809         //if ((mapHeaders["connection"] == "close") || (!GetBoolArg("-rpckeepalive", true)))
 810         //    fRun = false;
 811
 812
 813         // Process via JSON-RPC API
 814         if (strURI == "/") {
 815             if (!HTTPReq_JSONRPC(conn, strRequest, mapHeaders, fRun))
 816                 break;
 817
 818         // Process via HTTP REST API
 819         } else if (strURI.substr(0, 6) == "/rest/" && GetBoolArg("-rest", false)) {
 820             if (!HTTPReq_REST(conn, strURI, strRequest, mapHeaders, fRun))
 821                 break;
 822
 823         } else {
 824             conn->stream() << HTTPError(HTTP_NOT_FOUND, false) << std::flush;
 825             break;
 826         }
 827     }
 828 }
 829
 830 json_spirit::Value CRPCTable::execute(const std::string &strMethod, const json_spirit::Array &params) const
 831 {
 832 =======
 833 >>>>>>> zcash/master*/
 834     // Find method
 835     const CRPCCommand *pcmd = tableRPC[strMethod];
 836     if (!pcmd)
 837         throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found");
 838
 839     g_rpcSignals.PreCommand(*pcmd);
 840
 841     try
 842     {
 843         // Execute
 844         return pcmd->actor(params, false);
 845     }
 846     catch (const std::exception& e)
 847     {
 848         throw JSONRPCError(RPC_MISC_ERROR, e.what());
 849     }
 850
 851     g_rpcSignals.PostCommand(*pcmd);
 852 }
 853
 854 std::string HelpExampleCli(const std::string& methodname, const std::string& args)
 855 {
 856     return "> zcash-cli " + methodname + " " + args + "\n";
 857 }
 858
 859 std::string HelpExampleRpc(const std::string& methodname, const std::string& args)
 860 {
 861     return "> curl --user myusername --data-binary '{\"jsonrpc\": \"1.0\", \"id\":\"curltest\", "
 862         "\"method\": \"" + methodname + "\", \"params\": [" + args + "] }' -H 'content-type: text/plain;' http://127.0.0.1:8232/\n";
 863 }
 864
 865 void RPCRegisterTimerInterface(RPCTimerInterface *iface)
 866 {
 867     timerInterfaces.push_back(iface);
 868 }
 869
 870 void RPCUnregisterTimerInterface(RPCTimerInterface *iface)
 871 {
 872     std::vector<RPCTimerInterface*>::iterator i = std::find(timerInterfaces.begin(), timerInterfaces.end(), iface);
 873     assert(i != timerInterfaces.end());
 874     timerInterfaces.erase(i);
 875 }
 876
 877 void RPCRunLater(const std::string& name, boost::function<void(void)> func, int64_t nSeconds)
 878 {
 879     if (timerInterfaces.empty())
 880         throw JSONRPCError(RPC_INTERNAL_ERROR, "No timer handler registered for RPC");
 881     deadlineTimers.erase(name);
 882     RPCTimerInterface* timerInterface = timerInterfaces[0];
 883     LogPrint("rpc", "queue run of timer %s in %i seconds (using %s)\n", name, nSeconds, timerInterface->Name());
 884     deadlineTimers.insert(std::make_pair(name, boost::shared_ptr<RPCTimerBase>(timerInterface->NewTimer(func, nSeconds*1000))));
 885 }
 886
 887 const CRPCTable tableRPC;
 888
 889 // Return async rpc queue
 890 std::shared_ptr<AsyncRPCQueue> getAsyncRPCQueue()
 891 {
 892     return AsyncRPCQueue::sharedInstance();
 893 }