monero/src/net/parse.h

// Copyright (c) 2018, 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.

#pragma once

#include <boost/utility/string_ref.hpp>
#include <cstdint>

#include "common/expect.h"
#include "net/net_utils_base.h"

namespace net
{
    /*!
      Identifies onion, i2p and IPv4 addresses and returns them as a generic
      `network_address`. If the type is unsupported, it might be a hostname,
      and `error() == net::error::kUnsupportedAddress` is returned.

      \param address An onion address, i2p address, ipv4 address or hostname. Hostname
          will return an error.
      \param default_port If `address` does not specify a port, this value
          will be used.

      \return A tor or IPv4 address, else error.
    */
    expect<epee::net_utils::network_address>
        get_network_address(boost::string_ref address, std::uint16_t default_port);

    /*!
      Identifies an IPv4 subnet in CIDR notatioa and returns it as a generic
      `network_address`. If the type is unsupported, it might be a hostname,
      and `error() == net::error::kUnsupportedAddress` is returned.

      \param address An ipv4 address.
      \param allow_implicit_32 whether to accept "raw" IPv4 addresses, with CIDR notation

      \return A tor or IPv4 address, else error.
    */
    expect<epee::net_utils::ipv4_network_subnet>
        get_ipv4_subnet_address(boost::string_ref address, bool allow_implicit_32 = false);
}