const fs::path &GetBlocksDir(bool fNetSpecific) { LOCK(csPathCached); fs::path &path = fNetSpecific ? g_blocks_path_cache_net_specific : g_blocks_path_cached; // This can be called during exceptions by LogPrintf(), so we cache the // value so we don't have to do memory allocations after that. if (!path.empty()) return path; if (gArgs.IsArgSet("-blocksdir")) { path = fs::system_complete(gArgs.GetArg("-blocksdir", "")); if (!fs::is_directory(path)) { path = ""; return path; } } else { path = GetDataDir(false); } if (fNetSpecific) path /= BaseParams().DataDir(); path /= "blocks"; fs::create_directories(path); return path; }
const fs::path &GetDataDir(bool fNetSpecific) { LOCK(csPathCached); fs::path &path = fNetSpecific ? pathCachedNetSpecific : pathCached; // This can be called during exceptions by LogPrintf(), so we cache the // value so we don't have to do memory allocations after that. if (!path.empty()) return path; if (gArgs.IsArgSet("-datadir")) { path = fs::system_complete(gArgs.GetArg("-datadir", "")); if (!fs::is_directory(path)) { path = ""; return path; } } else { path = GetDefaultDataDir(); } if (fNetSpecific) path /= BaseParams().DataDir(); if (fs::create_directories(path)) { // This is the first run, create wallets subdirectory too fs::create_directories(path / "wallets"); } return path; }
/** Bind HTTP server to specified addresses */ static bool HTTPBindAddresses(struct evhttp* http) { int defaultPort = GetArg("-rpcport", BaseParams().RPCPort()); std::vector<std::pair<std::string, uint16_t> > endpoints; // Determine what addresses to bind to if (!IsArgSet("-rpcallowip")) { // Default to loopback if not allowing external IPs endpoints.push_back(std::make_pair("::1", defaultPort)); endpoints.push_back(std::make_pair("127.0.0.1", defaultPort)); if (IsArgSet("-rpcbind")) { LogPrintf("WARNING: option -rpcbind was ignored because -rpcallowip was not specified, refusing to allow everyone to connect\n"); } } else if (mapMultiArgs.count("-rpcbind")) { // Specific bind address const std::vector<std::string>& vbind = mapMultiArgs.at("-rpcbind"); for (std::vector<std::string>::const_iterator i = vbind.begin(); i != vbind.end(); ++i) { int port = defaultPort; std::string host; SplitHostPort(*i, port, host); endpoints.push_back(std::make_pair(host, port)); } } else { // No specific bind address specified, bind to any endpoints.push_back(std::make_pair("::", defaultPort)); endpoints.push_back(std::make_pair("0.0.0.0", defaultPort)); } // Bind addresses for (std::vector<std::pair<std::string, uint16_t> >::iterator i = endpoints.begin(); i != endpoints.end(); ++i) { LogPrint("http", "Binding RPC on address %s port %i\n", i->first, i->second); evhttp_bound_socket *bind_handle = evhttp_bind_socket_with_handle(http, i->first.empty() ? NULL : i->first.c_str(), i->second); if (bind_handle) { boundSockets.push_back(bind_handle); } else { LogPrintf("Binding RPC on address %s port %i failed.\n", i->first, i->second); } } return !boundSockets.empty(); }
void SelectBaseParams(const std::string& chain) { pCurrentBaseParams = &BaseParams(chain); }
static UniValue CallRPC(BaseRequestHandler *rh, const std::string& strMethod, const std::vector<std::string>& args) { std::string host; // In preference order, we choose the following for the port: // 1. -rpcport // 2. port in -rpcconnect (ie following : in ipv4 or ]: in ipv6) // 3. default port for chain int port = BaseParams().RPCPort(); SplitHostPort(gArgs.GetArg("-rpcconnect", DEFAULT_RPCCONNECT), port, host); port = gArgs.GetArg("-rpcport", port); // Obtain event base raii_event_base base = obtain_event_base(); // Synchronously look up hostname raii_evhttp_connection evcon = obtain_evhttp_connection_base(base.get(), host, port); evhttp_connection_set_timeout(evcon.get(), gArgs.GetArg("-rpcclienttimeout", DEFAULT_HTTP_CLIENT_TIMEOUT)); HTTPReply response; raii_evhttp_request req = obtain_evhttp_request(http_request_done, (void*)&response); if (req == nullptr) throw std::runtime_error("create http request failed"); #if LIBEVENT_VERSION_NUMBER >= 0x02010300 evhttp_request_set_error_cb(req.get(), http_error_cb); #endif // Get credentials std::string strRPCUserColonPass; bool failedToGetAuthCookie = false; if (gArgs.GetArg("-rpcpassword", "") == "") { // Try fall back to cookie-based authentication if no password is provided if (!GetAuthCookie(&strRPCUserColonPass)) { failedToGetAuthCookie = true; } } else { strRPCUserColonPass = gArgs.GetArg("-rpcuser", "") + ":" + gArgs.GetArg("-rpcpassword", ""); } struct evkeyvalq* output_headers = evhttp_request_get_output_headers(req.get()); assert(output_headers); evhttp_add_header(output_headers, "Host", host.c_str()); evhttp_add_header(output_headers, "Connection", "close"); evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str()); // Attach request data std::string strRequest = rh->PrepareRequest(strMethod, args).write() + "\n"; struct evbuffer* output_buffer = evhttp_request_get_output_buffer(req.get()); assert(output_buffer); evbuffer_add(output_buffer, strRequest.data(), strRequest.size()); // check if we should use a special wallet endpoint std::string endpoint = "/"; if (!gArgs.GetArgs("-rpcwallet").empty()) { std::string walletName = gArgs.GetArg("-rpcwallet", ""); char *encodedURI = evhttp_uriencode(walletName.c_str(), walletName.size(), false); if (encodedURI) { endpoint = "/wallet/"+ std::string(encodedURI); free(encodedURI); } else { throw CConnectionFailed("uri-encode failed"); } } int r = evhttp_make_request(evcon.get(), req.get(), EVHTTP_REQ_POST, endpoint.c_str()); req.release(); // ownership moved to evcon in above call if (r != 0) { throw CConnectionFailed("send http request failed"); } event_base_dispatch(base.get()); if (response.status == 0) { std::string responseErrorMessage; if (response.error != -1) { responseErrorMessage = strprintf(" (error code %d - \"%s\")", response.error, http_errorstring(response.error)); } throw CConnectionFailed(strprintf("Could not connect to the server %s:%d%s\n\nMake sure the bitcoind server is running and that you are connecting to the correct RPC port.", host, port, responseErrorMessage)); } else if (response.status == HTTP_UNAUTHORIZED) { if (failedToGetAuthCookie) { throw std::runtime_error(strprintf( "Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not set. See -rpcpassword and -stdinrpcpass. Configuration file: (%s)", GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME)).string().c_str())); } else { throw std::runtime_error("Authorization failed: Incorrect rpcuser or rpcpassword"); } } else if (response.status >= 400 && response.status != HTTP_BAD_REQUEST && response.status != HTTP_NOT_FOUND && response.status != HTTP_INTERNAL_SERVER_ERROR) throw std::runtime_error(strprintf("server returned HTTP error %d", response.status)); else if (response.body.empty()) throw std::runtime_error("no response from server"); // Parse reply UniValue valReply(UniValue::VSTR); if (!valReply.read(response.body)) throw std::runtime_error("couldn't parse reply from server"); const UniValue reply = rh->ProcessReply(valReply); if (reply.empty()) throw std::runtime_error("expected reply to have result, error and id properties"); return reply; }
std::string HelpMessageCli() { std::string strUsage; strUsage += HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("This help message")); strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME)); strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory")); AppendParamsHelpMessages(strUsage); strUsage += HelpMessageOpt("-named", strprintf(_("Pass named instead of positional arguments (default: %s)"), DEFAULT_NAMED)); strUsage += HelpMessageOpt("-rpcconnect=<ip>", strprintf(_("Send commands to node running on <ip> (default: %s)"), DEFAULT_RPCCONNECT)); strUsage += HelpMessageOpt("-rpcport=<port>", strprintf(_("Connect to JSON-RPC on <port> (default: %u or testnet: %u)"), BaseParams(CBaseChainParams::MAIN).RPCPort(), BaseParams(CBaseChainParams::TESTNET).RPCPort())); strUsage += HelpMessageOpt("-rpcwait", _("Wait for RPC server to start")); strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcclienttimeout=<n>", strprintf(_("Timeout during HTTP requests (default: %d)"), DEFAULT_HTTP_CLIENT_TIMEOUT)); strUsage += HelpMessageOpt("-stdin", _("Read extra arguments from standard input, one per line until EOF/Ctrl-D (recommended for sensitive information such as passphrases)")); return strUsage; }
UniValue CallRPC(const std::string& strMethod, const UniValue& params) { std::string host = GetArg("-rpcconnect", DEFAULT_RPCCONNECT); int port = GetArg("-rpcport", BaseParams().RPCPort()); // Obtain event base raii_event_base base = obtain_event_base(); // Synchronously look up hostname raii_evhttp_connection evcon = obtain_evhttp_connection_base(base.get(), host, port); evhttp_connection_set_timeout(evcon.get(), GetArg("-rpcclienttimeout", DEFAULT_HTTP_CLIENT_TIMEOUT)); HTTPReply response; raii_evhttp_request req = obtain_evhttp_request(http_request_done, (void*)&response); if (req == NULL) throw std::runtime_error("create http request failed"); #if LIBEVENT_VERSION_NUMBER >= 0x02010300 evhttp_request_set_error_cb(req.get(), http_error_cb); #endif // Get credentials std::string strRPCUserColonPass; if (GetArg("-rpcpassword", "") == "") { // Try fall back to cookie-based authentication if no password is provided if (!GetAuthCookie(&strRPCUserColonPass)) { throw std::runtime_error(strprintf( _("Could not locate RPC credentials. No authentication cookie could be found, and no rpcpassword is set in the configuration file (%s)"), GetConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME)).string().c_str())); } } else { strRPCUserColonPass = GetArg("-rpcuser", "") + ":" + GetArg("-rpcpassword", ""); } struct evkeyvalq* output_headers = evhttp_request_get_output_headers(req.get()); assert(output_headers); evhttp_add_header(output_headers, "Host", host.c_str()); evhttp_add_header(output_headers, "Connection", "close"); evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str()); // Attach request data std::string strRequest = JSONRPCRequestObj(strMethod, params, 1).write() + "\n"; struct evbuffer* output_buffer = evhttp_request_get_output_buffer(req.get()); assert(output_buffer); evbuffer_add(output_buffer, strRequest.data(), strRequest.size()); int r = evhttp_make_request(evcon.get(), req.get(), EVHTTP_REQ_POST, "/"); req.release(); // ownership moved to evcon in above call if (r != 0) { throw CConnectionFailed("send http request failed"); } event_base_dispatch(base.get()); if (response.status == 0) throw CConnectionFailed(strprintf("couldn't connect to server: %s (code %d)\n(make sure server is running and you are connecting to the correct RPC port)", http_errorstring(response.error), response.error)); else if (response.status == HTTP_UNAUTHORIZED) throw std::runtime_error("incorrect rpcuser or rpcpassword (authorization failed)"); else if (response.status >= 400 && response.status != HTTP_BAD_REQUEST && response.status != HTTP_NOT_FOUND && response.status != HTTP_INTERNAL_SERVER_ERROR) throw std::runtime_error(strprintf("server returned HTTP error %d", response.status)); else if (response.body.empty()) throw std::runtime_error("no response from server"); // Parse reply UniValue valReply(UniValue::VSTR); if (!valReply.read(response.body)) throw std::runtime_error("couldn't parse reply from server"); const UniValue& reply = valReply.get_obj(); if (reply.empty()) throw std::runtime_error("expected reply to have result, error and id properties"); return reply; }
std::string HelpExampleRpc(const std::string& methodname, const std::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:" + strprintf("%d", GetArg("-rpcport", BaseParams().RPCPort())) + "/\n"; }