258 lines
9.3 KiB
C++
258 lines
9.3 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 The Bitcoin Core developers
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// Distributed under the MIT 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 "chainparamsbase.h"
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#include "clientversion.h"
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#include "rpcclient.h"
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#include "rpcprotocol.h"
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#include "util.h"
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#include "utilstrencodings.h"
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#include <boost/filesystem/operations.hpp>
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using namespace std;
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using namespace json_spirit;
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std::string HelpMessageCli()
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{
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string strUsage;
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strUsage += HelpMessageGroup(_("Options:"));
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strUsage += HelpMessageOpt("-?", _("This help message"));
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strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), "bitcoin.conf"));
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strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory"));
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strUsage += HelpMessageOpt("-testnet", _("Use the test network"));
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strUsage += HelpMessageOpt("-regtest", _("Enter regression test mode, which uses a special chain in which blocks can be "
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"solved instantly. This is intended for regression testing tools and app development."));
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strUsage += HelpMessageOpt("-rpcconnect=<ip>", strprintf(_("Send commands to node running on <ip> (default: %s)"), "127.0.0.1"));
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strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Connect to JSON-RPC on <port> (default: %u or testnet: %u)"), 8332, 18332));
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strUsage += HelpMessageOpt("-rpcwait", _("Wait for RPC server to start"));
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strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
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strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
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strUsage += HelpMessageGroup(_("SSL options: (see the Bitcoin Wiki for SSL setup instructions)"));
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strUsage += HelpMessageOpt("-rpcssl", _("Use OpenSSL (https) for JSON-RPC connections"));
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return strUsage;
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}
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//////////////////////////////////////////////////////////////////////////////
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//
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// Start
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//
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//
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// Exception thrown on connection error. This error is used to determine
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// when to wait if -rpcwait is given.
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//
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class CConnectionFailed : public std::runtime_error
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{
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public:
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explicit inline CConnectionFailed(const std::string& msg) :
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std::runtime_error(msg)
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{}
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};
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static bool AppInitRPC(int argc, char* argv[])
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{
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//
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// Parameters
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//
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ParseParameters(argc, argv);
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if (argc<2 || mapArgs.count("-?") || mapArgs.count("-help") || mapArgs.count("-version")) {
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std::string strUsage = _("Bitcoin Core RPC client version") + " " + FormatFullVersion() + "\n";
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if (!mapArgs.count("-version")) {
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strUsage += "\n" + _("Usage:") + "\n" +
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" bitcoin-cli [options] <command> [params] " + _("Send command to Bitcoin Core") + "\n" +
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" bitcoin-cli [options] help " + _("List commands") + "\n" +
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" bitcoin-cli [options] help <command> " + _("Get help for a command") + "\n";
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strUsage += "\n" + HelpMessageCli();
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}
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fprintf(stdout, "%s", strUsage.c_str());
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return false;
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}
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if (!boost::filesystem::is_directory(GetDataDir(false))) {
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fprintf(stderr, "Error: Specified data directory \"%s\" does not exist.\n", mapArgs["-datadir"].c_str());
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return false;
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}
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try {
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ReadConfigFile(mapArgs, mapMultiArgs);
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} catch (const std::exception& e) {
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fprintf(stderr,"Error reading configuration file: %s\n", e.what());
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return false;
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}
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// Check for -testnet or -regtest parameter (BaseParams() calls are only valid after this clause)
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if (!SelectBaseParamsFromCommandLine()) {
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fprintf(stderr, "Error: Invalid combination of -regtest and -testnet.\n");
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return false;
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}
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return true;
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}
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Object CallRPC(const string& strMethod, const Array& params)
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{
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if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
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throw runtime_error(strprintf(
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_("You must set rpcpassword=<password> in the configuration file:\n%s\n"
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"If the file does not exist, create it with owner-readable-only file permissions."),
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GetConfigFile().string().c_str()));
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// Connect to localhost
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bool fUseSSL = GetBoolArg("-rpcssl", false);
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boost::asio::io_service io_service;
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boost::asio::ssl::context context(io_service, boost::asio::ssl::context::sslv23);
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context.set_options(boost::asio::ssl::context::no_sslv2 | boost::asio::ssl::context::no_sslv3);
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boost::asio::ssl::stream<boost::asio::ip::tcp::socket> sslStream(io_service, context);
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SSLIOStreamDevice<boost::asio::ip::tcp> d(sslStream, fUseSSL);
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boost::iostreams::stream< SSLIOStreamDevice<boost::asio::ip::tcp> > stream(d);
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const bool fConnected = d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(BaseParams().RPCPort())));
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if (!fConnected)
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throw CConnectionFailed("couldn't connect to server");
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// HTTP basic authentication
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string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
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map<string, string> mapRequestHeaders;
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mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
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// Send request
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string strRequest = JSONRPCRequest(strMethod, params, 1);
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string strPost = HTTPPost(strRequest, mapRequestHeaders);
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stream << strPost << std::flush;
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// Receive HTTP reply status
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int nProto = 0;
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int nStatus = ReadHTTPStatus(stream, nProto);
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// Receive HTTP reply message headers and body
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map<string, string> mapHeaders;
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string strReply;
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ReadHTTPMessage(stream, mapHeaders, strReply, nProto, std::numeric_limits<size_t>::max());
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if (nStatus == HTTP_UNAUTHORIZED)
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throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
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else if (nStatus >= 400 && nStatus != HTTP_BAD_REQUEST && nStatus != HTTP_NOT_FOUND && nStatus != HTTP_INTERNAL_SERVER_ERROR)
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throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
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else if (strReply.empty())
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throw runtime_error("no response from server");
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// Parse reply
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Value valReply;
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if (!read_string(strReply, valReply))
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throw runtime_error("couldn't parse reply from server");
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const Object& reply = valReply.get_obj();
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if (reply.empty())
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throw runtime_error("expected reply to have result, error and id properties");
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return reply;
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}
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int CommandLineRPC(int argc, char *argv[])
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{
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string strPrint;
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int nRet = 0;
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try {
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// Skip switches
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while (argc > 1 && IsSwitchChar(argv[1][0])) {
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argc--;
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argv++;
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}
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// Method
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if (argc < 2)
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throw runtime_error("too few parameters");
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string strMethod = argv[1];
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// Parameters default to strings
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std::vector<std::string> strParams(&argv[2], &argv[argc]);
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Array params = RPCConvertValues(strMethod, strParams);
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// Execute and handle connection failures with -rpcwait
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const bool fWait = GetBoolArg("-rpcwait", false);
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do {
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try {
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const Object reply = CallRPC(strMethod, params);
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// Parse reply
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const Value& result = find_value(reply, "result");
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const Value& error = find_value(reply, "error");
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if (error.type() != null_type) {
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// Error
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const int code = find_value(error.get_obj(), "code").get_int();
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if (fWait && code == RPC_IN_WARMUP)
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throw CConnectionFailed("server in warmup");
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strPrint = "error: " + write_string(error, false);
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nRet = abs(code);
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} else {
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// Result
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if (result.type() == null_type)
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strPrint = "";
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else if (result.type() == str_type)
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strPrint = result.get_str();
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else
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strPrint = write_string(result, true);
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}
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// Connection succeeded, no need to retry.
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break;
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}
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catch (const CConnectionFailed&) {
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if (fWait)
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MilliSleep(1000);
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else
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throw;
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}
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} while (fWait);
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}
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catch (const boost::thread_interrupted&) {
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throw;
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}
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catch (const std::exception& e) {
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strPrint = string("error: ") + e.what();
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nRet = EXIT_FAILURE;
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}
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catch (...) {
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PrintExceptionContinue(NULL, "CommandLineRPC()");
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throw;
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}
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if (strPrint != "") {
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fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
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}
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return nRet;
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}
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int main(int argc, char* argv[])
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{
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SetupEnvironment();
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try {
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if(!AppInitRPC(argc, argv))
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return EXIT_FAILURE;
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}
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catch (const std::exception& e) {
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PrintExceptionContinue(&e, "AppInitRPC()");
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return EXIT_FAILURE;
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} catch (...) {
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PrintExceptionContinue(NULL, "AppInitRPC()");
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return EXIT_FAILURE;
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}
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int ret = EXIT_FAILURE;
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try {
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ret = CommandLineRPC(argc, argv);
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}
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catch (const std::exception& e) {
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PrintExceptionContinue(&e, "CommandLineRPC()");
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} catch (...) {
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PrintExceptionContinue(NULL, "CommandLineRPC()");
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}
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return ret;
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}
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