238 lines
8.6 KiB
C++
238 lines
8.6 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 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 "chainparamsbase.h"
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#include "init.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 "version.h"
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#include <boost/filesystem/operations.hpp>
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#define _(x) std::string(x) /* Keep the _() around in case gettext or such will be used later to translate non-UI */
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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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std::string HelpMessageCli()
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{
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string strUsage;
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strUsage += _("Options:") + "\n";
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strUsage += " -? " + _("This help message") + "\n";
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strUsage += " -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n";
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strUsage += " -datadir=<dir> " + _("Specify data directory") + "\n";
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strUsage += " -testnet " + _("Use the test network") + "\n";
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strUsage += " -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.") + "\n";
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strUsage += " -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n";
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strUsage += " -rpcport=<port> " + _("Connect to JSON-RPC on <port> (default: 8332 or testnet: 18332)") + "\n";
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strUsage += " -rpcwait " + _("Wait for RPC server to start") + "\n";
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strUsage += " -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n";
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strUsage += " -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n";
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strUsage += "\n" + _("SSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n";
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strUsage += " -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n";
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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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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 (!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(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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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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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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asio::io_service io_service;
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ssl::context context(io_service, ssl::context::sslv23);
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context.set_options(ssl::context::no_sslv2);
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asio::ssl::stream<asio::ip::tcp::socket> sslStream(io_service, context);
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SSLIOStreamDevice<asio::ip::tcp> d(sslStream, fUseSSL);
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iostreams::stream< SSLIOStreamDevice<asio::ip::tcp> > stream(d);
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bool fWait = GetBoolArg("-rpcwait", false); // -rpcwait means try until server has started
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do {
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bool fConnected = d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", itostr(BaseParams().RPCPort())));
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if (fConnected) break;
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if (fWait)
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MilliSleep(1000);
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else
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throw runtime_error("couldn't connect to server");
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} while (fWait);
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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
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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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strPrint = "error: " + write_string(error, false);
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int code = find_value(error.get_obj(), "code").get_int();
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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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}
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catch (boost::thread_interrupted) {
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throw;
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}
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catch (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 (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 (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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