Add option -stdinrpcpass to allow RPC password to be read from standard input

This commit is contained in:
Joe Harvell 2017-08-23 12:48:00 -06:00
parent 31b2612bbf
commit 79191f51b5

View file

@ -45,7 +45,8 @@ std::string HelpMessageCli()
strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections"));
strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections"));
strUsage += HelpMessageOpt("-rpcclienttimeout=<n>", 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=<walletname>", _("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<std::string> args = std::vector<std::string>(&argv[1], &argv[argc]);
if (gArgs.GetBoolArg("-stdin", false)) {
// Read one arg per line from stdin and append