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// Copyright (c) 2014-2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#include "rpc_args.h"
#include <boost/algorithm/string.hpp>
#include <boost/asio/ip/address.hpp>
#include <boost/bind.hpp>
#include "common/command_line.h"
#include "common/i18n.h"
namespace cryptonote
{
rpc_args::descriptors::descriptors()
: rpc_bind_ip({"rpc-bind-ip", rpc_args::tr("Specify IP to bind RPC server"), "127.0.0.1"})
, rpc_login({"rpc-login", rpc_args::tr("Specify username[:password] required for RPC server"), "", true})
, confirm_external_bind({"confirm-external-bind", rpc_args::tr("Confirm rpc-bind-ip value is NOT a loopback (local) IP")})
, rpc_access_control_origins({"rpc-access-control-origins", rpc_args::tr("Specify a comma separated list of origins to allow cross origin resource sharing"), ""})
{}
const char* rpc_args::tr(const char* str) { return i18n_translate(str, "cryptonote::rpc_args"); }
void rpc_args::init_options(boost::program_options::options_description& desc)
{
const descriptors arg{};
command_line::add_arg(desc, arg.rpc_bind_ip);
command_line::add_arg(desc, arg.rpc_login);
command_line::add_arg(desc, arg.confirm_external_bind);
command_line::add_arg(desc, arg.rpc_access_control_origins);
}
boost::optional<rpc_args> rpc_args::process(const boost::program_options::variables_map& vm)
{
const descriptors arg{};
rpc_args config{};
config.bind_ip = command_line::get_arg(vm, arg.rpc_bind_ip);
if (!config.bind_ip.empty())
{
// always parse IP here for error consistency
boost::system::error_code ec{};
const auto parsed_ip = boost::asio::ip::address::from_string(config.bind_ip, ec);
if (ec)
{
LOG_ERROR(tr("Invalid IP address given for --") << arg.rpc_bind_ip.name);
return boost::none;
}
if (!parsed_ip.is_loopback() && !command_line::get_arg(vm, arg.confirm_external_bind))
{
LOG_ERROR(
"--" << arg.rpc_bind_ip.name <<
tr(" permits inbound unencrypted external connections. Consider SSH tunnel or SSL proxy instead. Override with --") <<
arg.confirm_external_bind.name
);
return boost::none;
}
}
const char *env_rpc_login = nullptr;
const bool has_rpc_arg = command_line::has_arg(vm, arg.rpc_login);
const bool use_rpc_env = !has_rpc_arg && (env_rpc_login = getenv("RPC_LOGIN")) != nullptr && strlen(env_rpc_login) > 0;
boost::optional<tools::login> login{};
if (has_rpc_arg || use_rpc_env)
{
config.login = tools::login::parse(
has_rpc_arg ? command_line::get_arg(vm, arg.rpc_login) : std::string(env_rpc_login), true, [](bool verify) {
return tools::password_container::prompt(verify, "RPC server password");
});
if (!config.login)
return boost::none;
if (config.login->username.empty())
{
LOG_ERROR(tr("Username specified with --") << arg.rpc_login.name << tr(" cannot be empty"));
return boost::none;
}
}
auto access_control_origins_input = command_line::get_arg(vm, arg.rpc_access_control_origins);
if (!access_control_origins_input.empty())
{
if (!config.login)
{
LOG_ERROR(arg.rpc_access_control_origins.name << tr(" requires RPC server password --") << arg.rpc_login.name << tr(" cannot be empty"));
return boost::none;
}
std::vector<std::string> access_control_origins;
boost::split(access_control_origins, access_control_origins_input, boost::is_any_of(","));
std::for_each(access_control_origins.begin(), access_control_origins.end(), boost::bind(&boost::trim<std::string>, _1, std::locale::classic()));
config.access_control_origins = std::move(access_control_origins);
}
return {std::move(config)};
}
}
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