From 79191f51b50314920b387f5f7322427d14cbab19 Mon Sep 17 00:00:00 2001 From: Joe Harvell Date: Wed, 23 Aug 2017 12:48:00 -0600 Subject: [PATCH] Add option -stdinrpcpass to allow RPC password to be read from standard input --- src/bitcoin-cli.cpp | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp index 8bec0289f..fca6083ea 100644 --- a/src/bitcoin-cli.cpp +++ b/src/bitcoin-cli.cpp @@ -45,7 +45,8 @@ std::string HelpMessageCli() strUsage += HelpMessageOpt("-rpcuser=", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=", _("Password for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcclienttimeout=", strprintf(_("Timeout in seconds during HTTP requests, or 0 for no timeout. (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)")); + strUsage += HelpMessageOpt("-stdinrpcpass", strprintf(_("Read RPC password from standard input as a single line. When combined with -stdin, the first line from standard input is used for the RPC password."))); + strUsage += HelpMessageOpt("-stdin", _("Read extra arguments from standard input, one per line until EOF/Ctrl-D (recommended for sensitive information such as passphrases). When combined with -stdinrpcpass, the first line from standard input is used for the RPC password.")); strUsage += HelpMessageOpt("-rpcwallet=", _("Send RPC for non-default wallet on RPC server (argument is wallet filename in bitcoind directory, required if bitcoind/-Qt runs with multiple wallets)")); return strUsage; @@ -190,7 +191,7 @@ static void http_error_cb(enum evhttp_request_error err, void *ctx) } #endif -UniValue CallRPC(const std::string& strMethod, const UniValue& params) +static UniValue CallRPC(const std::string& strMethod, const UniValue& params) { std::string host; // In preference order, we choose the following for the port: @@ -222,7 +223,7 @@ UniValue CallRPC(const std::string& strMethod, const UniValue& params) // 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)"), + _("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())); } @@ -293,6 +294,12 @@ int CommandLineRPC(int argc, char *argv[]) argc--; argv++; } + std::string rpcPass; + if (gArgs.GetBoolArg("-stdinrpcpass", false)) { + if(!std::getline(std::cin,rpcPass)) + throw std::runtime_error("-stdinrpcpass specified but failed to read from standard input"); + gArgs.ForceSetArg("-rpcpassword", rpcPass); + } std::vector args = std::vector(&argv[1], &argv[argc]); if (gArgs.GetBoolArg("-stdin", false)) { // Read one arg per line from stdin and append