Add rpc-restricted-bind-ip option

Fixes #6369
This commit is contained in:
Howard Chu 2020-10-28 23:47:42 +00:00
parent f690e4984d
commit a8cd073fcc
No known key found for this signature in database
GPG Key ID: FD2A70B44AB11BA7
4 changed files with 55 additions and 4 deletions

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@ -66,10 +66,12 @@ uint16_t parse_public_rpc_port(const po::variables_map &vm)
}
std::string rpc_port_str;
std::string rpc_bind_address = command_line::get_arg(vm, cryptonote::rpc_args::descriptors().rpc_bind_ip);
const auto &restricted_rpc_port = cryptonote::core_rpc_server::arg_rpc_restricted_bind_port;
if (!command_line::is_arg_defaulted(vm, restricted_rpc_port))
{
rpc_port_str = command_line::get_arg(vm, restricted_rpc_port);
rpc_bind_address = command_line::get_arg(vm, cryptonote::rpc_args::descriptors().rpc_restricted_bind_ip);
}
else if (command_line::get_arg(vm, cryptonote::core_rpc_server::arg_restricted_rpc))
{
@ -86,7 +88,6 @@ uint16_t parse_public_rpc_port(const po::variables_map &vm)
throw std::runtime_error("invalid RPC port " + rpc_port_str);
}
const auto rpc_bind_address = command_line::get_arg(vm, cryptonote::rpc_args::descriptors().rpc_bind_ip);
const auto address = net::get_network_address(rpc_bind_address, rpc_port);
if (!address) {
throw std::runtime_error("failed to parse RPC bind address");

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@ -264,6 +264,18 @@ namespace cryptonote
if (!rpc_config)
return false;
std::string bind_ip_str = rpc_config->bind_ip;
std::string bind_ipv6_str = rpc_config->bind_ipv6_address;
if (restricted)
{
const auto restricted_rpc_port_arg = cryptonote::core_rpc_server::arg_rpc_restricted_bind_port;
const bool has_restricted_rpc_port_arg = !command_line::is_arg_defaulted(vm, restricted_rpc_port_arg);
if (has_restricted_rpc_port_arg && port == command_line::get_arg(vm, restricted_rpc_port_arg))
{
bind_ip_str = rpc_config->restricted_bind_ip;
bind_ipv6_str = rpc_config->restricted_bind_ipv6_address;
}
}
disable_rpc_ban = rpc_config->disable_rpc_ban;
std::string address = command_line::get_arg(vm, arg_rpc_payment_address);
if (!address.empty() && allow_rpc_payment)
@ -300,7 +312,7 @@ namespace cryptonote
if (!m_rpc_payment)
{
uint32_t bind_ip;
bool ok = epee::string_tools::get_ip_int32_from_string(bind_ip, rpc_config->bind_ip);
bool ok = epee::string_tools::get_ip_int32_from_string(bind_ip, bind_ip_str);
if (ok & !epee::net_utils::is_ip_loopback(bind_ip))
MWARNING("The RPC server is accessible from the outside, but no RPC payment was setup. RPC access will be free for all.");
}
@ -322,8 +334,8 @@ namespace cryptonote
auto rng = [](size_t len, uint8_t *ptr){ return crypto::rand(len, ptr); };
return epee::http_server_impl_base<core_rpc_server, connection_context>::init(
rng, std::move(port), std::move(rpc_config->bind_ip),
std::move(rpc_config->bind_ipv6_address), std::move(rpc_config->use_ipv6), std::move(rpc_config->require_ipv4),
rng, std::move(port), std::move(bind_ip_str),
std::move(bind_ipv6_str), std::move(rpc_config->use_ipv6), std::move(rpc_config->require_ipv4),
std::move(rpc_config->access_control_origins), std::move(http_login), std::move(rpc_config->ssl_options)
);
}

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@ -91,6 +91,8 @@ 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_bind_ipv6_address({"rpc-bind-ipv6-address", rpc_args::tr("Specify IPv6 address to bind RPC server"), "::1"})
, rpc_restricted_bind_ip({"rpc-restricted-bind-ip", rpc_args::tr("Specify IP to bind restricted RPC server"), "127.0.0.1"})
, rpc_restricted_bind_ipv6_address({"rpc-restricted-bind-ipv6-address", rpc_args::tr("Specify IPv6 address to bind restricted RPC server"), "::1"})
, rpc_use_ipv6({"rpc-use-ipv6", rpc_args::tr("Allow IPv6 for RPC"), false})
, rpc_ignore_ipv4({"rpc-ignore-ipv4", rpc_args::tr("Ignore unsuccessful IPv4 bind for RPC"), false})
, rpc_login({"rpc-login", rpc_args::tr("Specify username[:password] required for RPC server"), "", true})
@ -113,6 +115,8 @@ namespace cryptonote
const descriptors arg{};
command_line::add_arg(desc, arg.rpc_bind_ip);
command_line::add_arg(desc, arg.rpc_bind_ipv6_address);
command_line::add_arg(desc, arg.rpc_restricted_bind_ip);
command_line::add_arg(desc, arg.rpc_restricted_bind_ipv6_address);
command_line::add_arg(desc, arg.rpc_use_ipv6);
command_line::add_arg(desc, arg.rpc_ignore_ipv4);
command_line::add_arg(desc, arg.rpc_login);
@ -136,6 +140,8 @@ namespace cryptonote
config.bind_ip = command_line::get_arg(vm, arg.rpc_bind_ip);
config.bind_ipv6_address = command_line::get_arg(vm, arg.rpc_bind_ipv6_address);
config.restricted_bind_ip = command_line::get_arg(vm, arg.rpc_restricted_bind_ip);
config.restricted_bind_ipv6_address = command_line::get_arg(vm, arg.rpc_restricted_bind_ipv6_address);
config.use_ipv6 = command_line::get_arg(vm, arg.rpc_use_ipv6);
config.require_ipv4 = !command_line::get_arg(vm, arg.rpc_ignore_ipv4);
config.disable_rpc_ban = command_line::get_arg(vm, arg.disable_rpc_ban);
@ -188,6 +194,34 @@ namespace cryptonote
return boost::none;
}
}
if (!config.restricted_bind_ip.empty())
{
// always parse IP here for error consistency
boost::system::error_code ec{};
boost::asio::ip::address::from_string(config.restricted_bind_ip, ec);
if (ec)
{
LOG_ERROR(tr("Invalid IP address given for --") << arg.rpc_restricted_bind_ip.name);
return boost::none;
}
}
if (!config.restricted_bind_ipv6_address.empty())
{
// allow square braces, but remove them here if present
if (config.restricted_bind_ipv6_address.find('[') != std::string::npos)
{
config.restricted_bind_ipv6_address = config.restricted_bind_ipv6_address.substr(1, config.restricted_bind_ipv6_address.size() - 2);
}
// always parse IP here for error consistency
boost::system::error_code ec{};
boost::asio::ip::address::from_string(config.restricted_bind_ipv6_address, ec);
if (ec)
{
LOG_ERROR(tr("Invalid IP address given for --") << arg.rpc_restricted_bind_ipv6_address.name);
return boost::none;
}
}
const char *env_rpc_login = nullptr;
const bool has_rpc_arg = command_line::has_arg(vm, arg.rpc_login);

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@ -53,6 +53,8 @@ namespace cryptonote
const command_line::arg_descriptor<std::string> rpc_bind_ip;
const command_line::arg_descriptor<std::string> rpc_bind_ipv6_address;
const command_line::arg_descriptor<std::string> rpc_restricted_bind_ip;
const command_line::arg_descriptor<std::string> rpc_restricted_bind_ipv6_address;
const command_line::arg_descriptor<bool> rpc_use_ipv6;
const command_line::arg_descriptor<bool> rpc_ignore_ipv4;
const command_line::arg_descriptor<std::string> rpc_login;
@ -81,6 +83,8 @@ namespace cryptonote
std::string bind_ip;
std::string bind_ipv6_address;
std::string restricted_bind_ip;
std::string restricted_bind_ipv6_address;
bool use_ipv6;
bool require_ipv4;
std::vector<std::string> access_control_origins;